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1 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
2
3         * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
4         word_mode as well as Pmode.
5
6 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
7
8         * function.c (assign_parm_setup_block): Explicitly convert BLKmode
9         parameters from word_mode to the subword type if such a truncation
10         is not a no-op.
11
12 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
13
14         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
15         * configure: Regenerated.
16
17 2007-09-23  Jan Hubicka  <jh@suse.cz>
18
19         * params.def (INLINE_CALL_COST): Set to 12.
20         * invoke.texi (inline-call-cost): Update default value.
21
22 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
23
24         * config/alpha/alpha.md (movti): Use operand_subword for the split.
25
26 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
27             Revital Eres  <eres@il.ibm.com>
28
29         * modulo-sched.c (doloop_register_get): Rewrite the loop which
30         checks whether the count_reg is found outside the control part.
31
32 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
33
34         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
35         instead of checking CALL_EXPR_FN directly to test for builtins.
36         If error or warning attributes are present, print
37         error resp. warning.
38         * c-common.c (handle_error_attribute): New function.
39         (c_common_attribute_table): Add error and warning
40         attributes.
41         * doc/extend.texi: Document error and warning attributes.
42
43         * tree.h (block_nonartificial_location): New prototype.
44         * tree.c (block_nonartificial_location): New function.
45         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
46         if artificial attribute is present on abstract inline decl.
47         * c-common.c (handle_artificial_attribute): New function.
48         (c_common_attribute_table): Add artificial attribute.
49         * final.c (override_filename, override_linenum): New variables.
50         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
51         and override_linenum if inside of a block inlined from
52         __attribute__((__artificial__)) function.
53         (notice_source_line): Honor override_filename and override_linenum.
54         * doc/extend.texi: Document __attribute__((__artificial__)).
55         * config/i386/emmintrin.h: Add __artificial__ attribute to
56         all __always_inline__ functions.
57         * config/i386/mmintrin.h: Likewise.
58         * config/i386/tmmintrin.h: Likewise.
59         * config/i386/mm3dnow.h: Likewise.
60         * config/i386/pmmintrin.h: Likewise.
61         * config/i386/ammintrin.h: Likewise.
62         * config/i386/xmmintrin.h: Likewise.
63         * config/i386/smmintrin.h: Likewise.
64         * config/i386/bmmintrin.h: Likewise.
65         * config/i386/mmintrin-common.h: Likewise.
66
67         PR middle-end/28755
68         * expr.c (expand_constructor): New function.
69         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
70         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
71         CONSTRUCTOR.
72
73 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
74
75         * config/mips/mips.c (dump_constants_1): Generalize to include
76         fractional and accumulator modes.
77
78 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
79
80         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
81         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
82         flags for MIPS16.
83         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
84         TARGET_HARD_FLOAT when testing whether -mpaired-single is
85         supported.
86         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
87         TARGET_DSP.
88         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
89         TARGET_DSPR2.
90         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
91         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
92         TARGET_HARD_FLOAT.
93         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
94         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
95         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
96         throughout.
97         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
98         TARGET_HAS_DSPR2.
99         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
100         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
101         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
102
103 2007-09-22  Jason Merrill  <jason@redhat.com>
104
105         PR c++/19407
106         * attribs.c (lookup_attribute_spec): Split out...
107         (decl_attributes): From here.
108         * tree.h: Declare it.
109
110 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
111
112         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
113
114 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
115
116         * tree-inline.c (remap_type_1): Correctly chain variants.
117
118 2007-09-22  Richard Guenther  <rguenther@suse.de>
119
120         PR tree-optimization/33146
121         * fold-const.c (fold_binary): Use the original tree
122         for negating.
123         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
124         also changes "sign".
125
126 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
127
128         PR target/32325
129         * except.c (finish_eh_generation): Call commit_edge_insertions if
130         there are insns queued on the entry edge.
131         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
132         the entry edge.
133
134 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
135
136         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
137
138 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
139
140         * gcc/config/i386/i386.c: Delete trailing whitespace.
141         * gcc/config/i386/i386.h: Ditto.
142         * gcc/config/i386/bmmintrin.h: Ditto.
143         * gcc/config/i386/sync.md: Ditto.
144         * gcc/config/i386/ppro.md: Ditto.
145         * gcc/config/i386/mmx.md: Ditto.
146         * gcc/config/i386/constraints.md: Ditto.
147         * gcc/config/i386/sse.md: Ditto.
148         * gcc/config/i386/athlon.md: Ditto.
149         * gcc/config/i386/i386.md: Ditto.
150
151 2007-09-21  Richard Guenther  <rguenther@suse.de>
152
153         PR tree-optimization/33508
154         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
155         quadratic loop by keeping a bitmap of variables we have
156         to clobber all subvariables for.
157         (set_initial_properties): Likewise.
158
159 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
160
161         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
162
163 2007-09-20  Nigel Stephens  <nigel@mips.com>
164             Chao-ying Fu  <fu@mips.com>
165
166         * c-decl.c (finish_declspecs): When _Sat is used without
167         _Fract or _Accum, set the default type to cts_fract.
168         This avoids a warning of "type defaults to int".
169
170 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
171
172         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
173         bit-fields wider than one bit.
174
175 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
176
177         PR debug/33316
178         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
179         DECL_NAME.
180         * dbxout.c (dbxout_type): Likewise.
181
182         PR c/33238
183         PR c/27301
184         * gimplify.c (gimplify_vla_decl): New function.
185         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
186         Call it.
187         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
188
189 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
190
191         * doc/invoke.texi (-minterlink-mips16): Document.
192         * config/mips/mips.opt (minterlink-mips16): New option.
193         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
194         -minterlink-mips16
195
196 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
197
198         * doc/extend.texi (Attribute Syntax): Remove old speculative
199         future direction.
200
201 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
202
203         * combine.c: Include cgraph.h.
204         (setup_incoming_promotions): Rework to allow more aggressive
205         elimination of sign extensions when all call sites of the
206         current function are known to lie within the current unit.
207
208 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
209
210         * dse.c (find_shift_sequence): No-op rework of control flow.
211
212 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
213
214         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
215         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
216
217 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
218
219         * cfgexpand.c (dump_stack_var_partition): Use the correct
220         index for the offset.
221
222 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
223
224         * config/mips/sde.h: Switch to GPLv3.
225
226 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
227
228         * tree-sra.c (decide_block_copy): Decide if there are groups.
229
230 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
231
232         * config/m68k/m68k.c (output_move_himode): Remove jump table
233         recognition.
234         config/m68k/m68k.md (lea): Likewise.
235         * config/m68k/m68k.c (print_operand_address): Use simple pc
236         relative addressing.
237
238 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
239
240         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
241         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument default
242         definition.
243         (asm_insn_count): Pass template as second argument to it.
244         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
245         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
246         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
247         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
248         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
249         (sh_insn_length_adjustment): Pass template as second argument to it.
250         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
251
252         * config/bfin/bfin.md (define_asm_attributes): New.
253
254 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
255
256         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
257         to tm_file.
258         * config/bfin/print-sysroot-suffix.sh: New.
259         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
260         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
261         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
262         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
263         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
264         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
265         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
266         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
267         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
268         (linux-sysroot-suffix.h): New target.
269         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
270         (mspecld-anomaly): Likewise.
271         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
272         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
273         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
274         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
275         (bfin_si_revision): Declare.
276         (bfin_workarounds): Declare.
277         (WA_SPECULATIVE_LOADS): Define.
278         (ENABLE_WA_SPECULATIVE_LOADS): Define.
279         (WA_SPECULATIVE_SYNCS): Define.
280         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
281         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
282         (LIB_SPEC): Add %s to the linker scripts.
283         Use proper linker script for bf522, bf525, bf527,
284         bf538, bf539, bf542, bf544, bf548, and bf549.
285         * config/bfin/bfin.c (bfin_si_revision): Define.
286         (bfin_workarounds): Define.
287         (struct bfin_cpu): New.
288         (bfin_cpus): New.
289         (bfin_handle_option): Handle silicon revision part of -mcpu option.
290         (override_options): Set bfin_workarounds.
291         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
292         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
293         ENABLE_WA_SPECULATIVE_LOADS.
294         (bfin_reorg): Likewise.
295         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
296         macros for bf522, bf525, bf527, bf538, bf539,
297         bf542, bf544, bf548, and bf549.
298         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
299         Don't define __ID_SHARED_LIB__ when -msep-data.
300         (TARGET_DEFAULT): Define as 0.
301         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
302         * doc/invoke.texi (Blackfin Options): Document silicon
303         revision part of -mcpu option and it now accepts bf522, bf525,
304         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
305
306 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
307
308         * alias.c (memory_modified_1): Deconstify.
309         (memory_modified_in_insn_p): Don't use const_note_stores.
310         * rtl.h (const_note_stores): Delete.
311         * rtlanal.c (const_note_stores): Likewise.
312
313 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
314
315         * dse.c (find_shift_sequence): Temporarily revert to forbidding
316         word shifts.
317
318 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
319
320         PR target/33388
321         PR target/33397
322         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
323         (addsi_small_int): Likewise.
324         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
325         (one_cmplsi2): Likewise.
326         (negsi2): Delete.
327         (enter_func): Expand insn using hard_frame_pointer_rtx and
328         stack_pointer_rtx.
329         (*enter_func): New.
330         * config/fr30/fr30.c (fr30_expand_prologue): Check for
331         hard_frame_pointer_rtx instead of using REGNO() check.
332         Properly sign extend GEN_INT() argument.
333
334 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
335
336         * config/m68k/m68k.c (override_options): Remove USE_GAS,
337         use %. syntax.
338         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
339         alternatives with just jcc.
340         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
341         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
342         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
343         dbge_hi, dbge_si): Likewise.
344
345 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
346
347         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
348         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
349         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
350         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
351         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
352
353 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
354
355         * config/m68k/m68k-devices.def (51qe): New device.
356         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
357         to all uses of FL_FOR_isa_c for compatibility.
358         (all_microarchs): Add cfv1 microarchitecture.
359         (m68k_handle_option): Handle m51qe option.
360         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
361         (TUNE_CFV1): New macro.
362         (enum uarch_type): Add ucfv1.
363         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
364         
365 2007-09-18  Richard Guenther  <rguenther@suse.de>
366
367         PR tree-optimization/31863
368         * tree-ssa-structalias.c (create_variable_info_for): Always
369         free the fieldstack.
370
371 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
372
373         * opts.c (decode_options): Enable vectorization under -O3.
374
375 2007-09-18  Richard Guenther  <rguenther@suse.de>
376
377         PR tree-optimization/33340
378         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
379         SSA_NAMEs that occur in abnormal PHI nodes.
380
381 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
382
383         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
384         Don't use const_get_call_expr_in.
385         * tree-gimple.c (const_get_call_expr_in): Delete.
386         * tree-gimple.h (const_get_call_expr_in): Likewise.
387
388 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
389
390         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
391         not yet have a basic block.
392         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
393
394 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
395
396         * config/mips/mips.c (mips_file_start): Add ".previous" directives
397         to both ".section"s.
398
399 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
400
401         * config/mips/mips.c (mips_output_mi_thunk): Use
402         mips_function_ok_for_sibcall and const_call_insn_operand
403         to determine if a direct sibcall is allowed.  Use
404         mips_classify_symbol to determine a global pointer is needed.
405
406 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
407
408         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
409
410 2007-09-17  Chao-ying Fu  <fu@mips.com>
411             Nigel Stephens  <nigel@mips.com>
412
413         * config/fixed-bit.h: New file.
414         * config/fixed-bit.c: New file.
415         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
416
417 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
418
419         * c-format.h (format_kind_info): Add alloc_char field.
420         * c-format.c (scanf_flag_specs): Add 'm'.
421         (scanf_flag_pairs): Add 'a', 'm' pair.
422         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
423         (format_types_orig): Add alloc_char fields.
424         (check_format_info_main): Rename aflag to alloc_flag.
425         Handle fki->alloc_char. modifier after width and before length
426         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
427         length modifiers as well.
428         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
429
430         PR middle-end/33423
431         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
432         returned by build_call_expr.
433
434 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
435
436         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
437         NULL for variable-sized records too.
438         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
439
440 2007-09-17  Tom Tromey  <tromey@redhat.com>
441
442         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
443         (c_builtin_function): Likewise.
444         (grokdeclarator): Likewise.
445
446 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
447
448         PR rtl-optimization/26449
449         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
450         (seq_insns_valid_p): Removed.
451
452 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
453
454         * tree-nomudflap.c (gate_mudflap): New static function.
455         (pass_mudflap_1): Use it as gate function.
456         (pass_mudflap_2): Likewise.
457
458 2007-09-17  Jan Hubicka  <jh@suse.cz>
459
460         PR middle-end/33348
461         PR target/33406
462         * loop-invariant.c (move_invariant_reg): Unshare sequence.
463
464 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
465
466         PR tree-optimization/33319
467         * tree-vect-analyze.c (vect_same_range_drs): New.
468         (vect_vfa_range_equal): New.
469         (vect_is_duplicate_ddr): Removed.
470         (vect_mark_for_runtime_alias_test): Do not perform marking when
471         optimizing for size or max_param for alias checking is zero.
472         Move the function before vect_analyze_data_ref_dependence.
473         (vect_analyze_data_ref_dependence): Add call to
474         vect_mark_for_runtime_alias_test in two cases when dependence
475         is not clear.
476         (vect_analyze_data_ref_dependences): Do not call to
477         vect_mark_for_runtime_alias_test.
478         (vect_prune_runtime_alias_test_list): New.
479         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
480         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
481         Update vec_outside_cost.
482         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
483         (vect_create_cond_for_alias_checks): Build the base address of data
484         reference from DR_GROUP_FIRST_DR.
485         (vect_loop_versioning): New.
486         (vect_transform_loop): Add a call to vect_loop_versioning.
487         Remove factored out code.
488
489 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
490
491         PR middle-end/33273
492         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
493         to BLKmode.
494
495 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
496
497         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
498         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
499         Fix the call to insn_rtx_cost.  Skip access sizes that require a
500         real truncation of the store register.  Use convert_move instead
501         of gen_lowpart when narrowing the result.
502         (replace_read): Use convert_move instead of gen_lowpart when
503         narrowing the store rhs.
504
505 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
506
507         * config/mips/mips.md (SHORT): Fix long line.
508         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
509         to QImode and HImode.
510
511 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
512
513         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
514
515 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
516
517         * tree-parloops.c: New file.
518         * tree-ssa-operands.h (free_stmt_operands): Declare.
519         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
520         block.
521         * tree-pass.h (pass_parallelize_loops): Declare.
522         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
523         virtual operands.
524         (build_omp_regions_1): Allow analysing just a single OMP region and
525         its subregions.
526         ( build_omp_regions_root, omp_expand_local): New functions.
527         (build_omp_regions): Add argument to build_omp_regions_1 call.
528         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
529         autoparallelization is run.
530         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
531         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
532         pass_parallelize_loops): New.
533         * common.opt (ftree-parallelize-loops): New.
534         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
535         parallelize_loops): Declare.
536         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
537         * Makefile.in (tree-parloops.o): Added.
538         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
539         New functions.
540         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
541         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
542         one extra edge as well.
543         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
544         Use VEC_free to free doms vector.
545         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
546         operands.  Recompute operand caches in the new function.
547         (move_sese_region_to_fn): Update loop info.
548         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
549         * tree-ssa-operands.c (free_stmt_operands): New function.
550
551         * doc/passes.texi: Document autoparallelization.
552         * doc/invoke.texi (-ftree-parallelize-loops): New option.
553
554 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
555
556         PR target/33062
557         * pa.c (function_value): Use GET_MODE_BITSIZE instead of TYPE_PRECISION.
558
559 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
560
561         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if 
562         the VEC is not NULL.
563         (vectorizable_type_demotion, vectorizable_type_promotion): Check that 
564         get_vectype_for_scalar_type succeeded.
565         (vectorizable_conversion): Likewise.
566
567 2007-09-14  Jan Hubicka  <jh@suse.cz>
568
569         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
570         TARGET_64BIT.
571
572 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
573
574         PR target/33438
575         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary register
576         when operands[2] equals operands[1].
577         (remainderxf3): Ditto.
578
579 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
580             Nigel Stephens  <nigel@mips.com>
581
582         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
583         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
584         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
585         declaration.
586         (_Unwind_ForcedUnwind): Likewise.
587         (_Unwind_Resume): Likewise.
588         (_Unwind_Resume_or_Rethrow): Likewise.
589         (_Unwind_Backtrace): Likewise.
590         (_Unwind_SjLj_RaiseException): Likewise.
591         (_Unwind_SjLj_ForcedUnwind): Likewise.
592         (_Unwind_SjLj_Resume): Likewise.
593         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
594         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
595         to definition.
596         (_Unwind_ForcedUnwind): Likewise.
597         (_Unwind_Resume): Likewise.
598         (_Unwind_Resume_or_Rethrow): Likewise.
599         (_Unwind_Backtrace): Likewise.
600         * unwind-compat.c (_Unwind_Backtrace): Likewise.
601         (_Unwind_ForcedUnwind): Likewise.
602         (_Unwind_RaiseException): Likewise.
603         (_Unwind_Resume): Likewise.
604         (_Unwind_Resume_or_Rethrow): Likewise.
605
606         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
607         nomips16 mode when IN_LIBGCC2 with hard float.
608
609 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
610
611         * config/mips/sdemtk.opt: Update to GPLv3.
612         * config/mips/sdemtk.h: Likewise.
613
614 2007-09-14  Nigel Stephens  <nigel@mips.com>
615
616         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
617         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
618         for mipsisa32-*-linux*.
619
620 2007-09-14  Nigel Stephens  <nigel@mips.com>
621             David Ung  <davidu@mips.com>
622             Thiemo Seufer  <ths@mips.com>
623             Richard Sandiford  <richard@codesourcery.com>
624
625         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
626         * configure.ac: Add a mipssde threading type.
627         * configure: Regenerate.
628         * config/mips/sdemtk.h: New file.
629         * config/mips/t-sdemtk: Likewise.
630         * config/mips/sdemtk.opt: Likewise.
631         * gthr-mipssde.h: Likewise.
632         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
633         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
634         (MIPS_ICACHE_SYNC): New macro, split from ...
635         * config/mips/mips.md (clear_cache): ...here.
636         * config/mips/mips.c (mips_save_reg_p): Check
637         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
638         (build_mips16_function_stub): Use targetm.strip_name_encoding.
639         (build_mips16_call_stub): Likewise.
640
641 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
642
643         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
644
645 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
646
647         PR target/32337
648         * config/ia64/ia64.c (find_gr_spill): Don't decrement
649         current_frame_info.n_local_regs.  Don't return emitted local
650         regs.
651         (ia64_compute_frame_size): Improve unwind hack to put
652         RP, PFS, FP in that order by allowing some of the registers
653         been already emitted, as long as they are emitted to the
654         desired register.
655
656 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
657
658         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
659         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
660         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
661
662 2007-09-13  Eric Christopher  <echristo@apple.com>
663             Kenneth Zadeck <zadeck@naturalbridge.com>
664
665         * dse.c (find_shift_sequence): New function.
666         (replace_read): Add case to remove read if it requires shift.
667         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
668         
669 2007-09-13  Tom Tromey  <tromey@redhat.com>
670
671         * c-common.c (fname_as_string): Update.
672         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
673         (c_lex_one_token): Update.  Add 'parser' argument.
674         (c_parser_simple_asm_expr): Update.
675         (c_parser_attributes): Update.
676         (c_parser_asm_statement): Update.
677         (c_parser_asm_operands): Update.
678         (c_parser_peek_token): Update.
679         (c_parser_peek_2nd_token): Update.
680         * c-lex.c (c_lex_string_translate): Remove.
681         (c_lex_return_raw_strings): Likewise.
682         (c_lex_with_flags): Added 'lex_flags' argument.
683         (lex_string): Added 'translate' argument.
684         * c-pragma.h (c_lex_with_flags): Update.
685         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
686         (C_LEX_STRING_NO_TRANSLATE): New define.
687         (C_LEX_RAW_STRINGS): Likewise.
688
689 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
690
691         From Jie Zhang:
692         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
693         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
694         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
695         (bfin_init_builtins): Initialize __builtin_bfin_ones,
696         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
697         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
698         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
699         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
700         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
701         (bdesc_1arg): Add __builtin_bfin_ones.
702         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
703         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
704         and __builtin_bfin_csqu_fr16.
705         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
706         (ones): New define_insn.
707         (ssaddhi3_parts): New define_insn.
708         (sssubhi3_parts): New define_insn.
709         (flag_mulhi_parts): New define_insn.
710
711 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
712
713         * common.opt (femit-class-debug-always): Turn off by default.
714
715 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
716
717         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
718         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
719
720 2007-09-13  James E. Wilson  <wilson@specifix.com>
721
722         PR tree-optimization/33389
723         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
724         then set build_loads before returning.
725
726 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
727             David Ung  <davidu@mips.com>
728
729         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
730         {d}addiu and a negative immediate such that it works with MIPS16
731         instructions.
732         
733 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
734
735         PR bootstrap/33418
736         * configure.ac (ld_vers): Support Linux linker.
737         * configure: Regenerated.
738
739 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
740             Sandra Loosemore <sandra@codesourcery.com>
741
742         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
743         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
744         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
745         nomips16 into decl attributes.
746         (TARGET_INSERT_ATTRIBUTES): Override.
747         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
748         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
749         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
750         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
751         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
752         (mips_use_mips16_mode_p): Reimplement as a function that takes
753         a decl and considers only decl attributes.  If the decl is nested
754         function, use its parent attributes.
755         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
756         instead of SYMBOL_REF_MIPS16_FUNC_P.
757         (mips_set_mips16_mode): Move call to sorry here from old
758         mips_use_mips16_mode_p.
759         (mflip_mips16_entry): New structure.
760         (mflip_mips16_htab): New variable.
761         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
762         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
763         (mips_merge_decl_attributes): New function.
764         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
765         Use mips_use_mips16_mode_p.
766         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
767         SYMBOL_REF_MIPS16_FUNC_P.
768         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
769
770 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
771
772         * c-parser.c (c_parser_struct_declaration): Check for a null return.
773
774 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
775
776         PR driver/33309
777         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
778
779 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
780             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
781             Tony Linthicum  <tony.linthicum@amd.com>
782
783         * tree.h (function_args_iterator): New type to iterate over
784         function arguments.
785         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
786         function arguments providing a pointer to the argument.
787         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
788         function arguments providing the argument.
789         (function_args_iter_init): Inline function to initialize
790         function_args_iterator.
791         (function_args_iter_cond_ptr): Inline function to return the next
792         pointer to hold the argument.
793         (function_args_iter_cond): Inline function to return the next
794         argument.
795         (function_args_iter_cond_next): Advance the function args
796         iterator.
797         (stdarg_p): New function, return true if variable argument
798         function.
799         (prototype_p): New function, return true if function is
800         prototyped.
801         (function_args_count): New function, count the number of arguments
802         of a function.
803
804         * tree.c (stdarg_p): New function, return true if variable
805         argument function.
806         (prototype_p): New function, return true if function is
807         prototyped.
808
809         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
810         (TARGET_ROUND): New macro for the round/ptest instructions which
811         are shared between SSE4.1 and SSE5.
812         (OPTION_MASK_ISA_ROUND): Ditto.
813         (OPTION_ISA_ROUND): Ditto.
814         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
815         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
816
817         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
818         (-mfused-madd): New switch to give users control over whether the
819         compiler optimizes to use the multiply/add SSE5 instructions.
820
821         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
822         m_ATHLON_K8_AMDFAM10, and change all uses.
823         (enum pta_flags): Add PTA_SSE5.
824         (ix86_handle_option): Turn off 3dnow if -msse5.
825         (override_options): Add SSE5 support.
826         (print_operand): %Y prints comparison codes for SSE5 com/pcom
827         instructions.
828         (ix86_expand_sse_movcc): Add SSE5 support.
829         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
830         vector type to the next largest size.
831         (ix86_expand_sse5_pack): New function to use pperm to pack a
832         vector type to the next smallest size.
833         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
834         (IX86_BUILTIN_FMADDSD): Ditto.
835         (IX86_BUILTIN_FMADDPS): Ditto.
836         (IX86_BUILTIN_FMADDPD): Ditto.
837         (IX86_BUILTIN_FMSUBSS): Ditto.
838         (IX86_BUILTIN_FMSUBSD): Ditto.
839         (IX86_BUILTIN_FMSUBPS): Ditto.
840         (IX86_BUILTIN_FMSUBPD): Ditto.
841         (IX86_BUILTIN_FNMADDSS): Ditto.
842         (IX86_BUILTIN_FNMADDSD): Ditto.
843         (IX86_BUILTIN_FNMADDPS): Ditto.
844         (IX86_BUILTIN_FNMADDPD): Ditto.
845         (IX86_BUILTIN_FNMSUBSS): Ditto.
846         (IX86_BUILTIN_FNMSUBSD): Ditto.
847         (IX86_BUILTIN_FNMSUBPS): Ditto.
848         (IX86_BUILTIN_FNMSUBPD): Ditto.
849         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
850         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
851         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
852         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
853         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
854         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
855         (IX86_BUILTIN_PPERM): Ditto.
856         (IX86_BUILTIN_PERMPS): Ditto.
857         (IX86_BUILTIN_PERMPD): Ditto.
858         (IX86_BUILTIN_PMACSSWW): Ditto.
859         (IX86_BUILTIN_PMACSWW): Ditto.
860         (IX86_BUILTIN_PMACSSWD): Ditto.
861         (IX86_BUILTIN_PMACSWD): Ditto.
862         (IX86_BUILTIN_PMACSSDD): Ditto.
863         (IX86_BUILTIN_PMACSDD): Ditto.
864         (IX86_BUILTIN_PMACSSDQL): Ditto.
865         (IX86_BUILTIN_PMACSSDQH): Ditto.
866         (IX86_BUILTIN_PMACSDQL): Ditto.
867         (IX86_BUILTIN_PMACSDQH): Ditto.
868         (IX86_BUILTIN_PMADCSSWD): Ditto.
869         (IX86_BUILTIN_PMADCSWD): Ditto.
870         (IX86_BUILTIN_PHADDBW): Ditto.
871         (IX86_BUILTIN_PHADDBD): Ditto.
872         (IX86_BUILTIN_PHADDBQ): Ditto.
873         (IX86_BUILTIN_PHADDWD): Ditto.
874         (IX86_BUILTIN_PHADDWQ): Ditto.
875         (IX86_BUILTIN_PHADDDQ): Ditto.
876         (IX86_BUILTIN_PHADDUBW): Ditto.
877         (IX86_BUILTIN_PHADDUBD): Ditto.
878         (IX86_BUILTIN_PHADDUBQ): Ditto.
879         (IX86_BUILTIN_PHADDUWD): Ditto.
880         (IX86_BUILTIN_PHADDUWQ): Ditto.
881         (IX86_BUILTIN_PHADDUDQ): Ditto.
882         (IX86_BUILTIN_PHSUBBW): Ditto.
883         (IX86_BUILTIN_PHSUBWD): Ditto.
884         (IX86_BUILTIN_PHSUBDQ): Ditto.
885         (IX86_BUILTIN_PROTB): Ditto.
886         (IX86_BUILTIN_PROTW): Ditto.
887         (IX86_BUILTIN_PROTD): Ditto.
888         (IX86_BUILTIN_PROTQ): Ditto.
889         (IX86_BUILTIN_PROTB_IMM): Ditto.
890         (IX86_BUILTIN_PROTW_IMM): Ditto.
891         (IX86_BUILTIN_PROTD_IMM): Ditto.
892         (IX86_BUILTIN_PROTQ_IMM): Ditto.
893         (IX86_BUILTIN_PSHLB): Ditto.
894         (IX86_BUILTIN_PSHLW): Ditto.
895         (IX86_BUILTIN_PSHLD): Ditto.
896         (IX86_BUILTIN_PSHLQ): Ditto.
897         (IX86_BUILTIN_PSHAB): Ditto.
898         (IX86_BUILTIN_PSHAW): Ditto.
899         (IX86_BUILTIN_PSHAD): Ditto.
900         (IX86_BUILTIN_PSHAQ): Ditto.
901         (IX86_BUILTIN_FRCZSS): Ditto.
902         (IX86_BUILTIN_FRCZSD): Ditto.
903         (IX86_BUILTIN_FRCZPS): Ditto.
904         (IX86_BUILTIN_FRCZPD): Ditto.
905         (IX86_BUILTIN_CVTPH2PS): Ditto.
906         (IX86_BUILTIN_CVTPS2PH): Ditto.
907         (IX86_BUILTIN_COMEQSS): Ditto.
908         (IX86_BUILTIN_COMNESS): Ditto.
909         (IX86_BUILTIN_COMLTSS): Ditto.
910         (IX86_BUILTIN_COMLESS): Ditto.
911         (IX86_BUILTIN_COMGTSS): Ditto.
912         (IX86_BUILTIN_COMGESS): Ditto.
913         (IX86_BUILTIN_COMUEQSS): Ditto.
914         (IX86_BUILTIN_COMUNESS): Ditto.
915         (IX86_BUILTIN_COMULTSS): Ditto.
916         (IX86_BUILTIN_COMULESS): Ditto.
917         (IX86_BUILTIN_COMUGTSS): Ditto.
918         (IX86_BUILTIN_COMUGESS): Ditto.
919         (IX86_BUILTIN_COMORDSS): Ditto.
920         (IX86_BUILTIN_COMUNORDSS): Ditto.
921         (IX86_BUILTIN_COMFALSESS): Ditto.
922         (IX86_BUILTIN_COMTRUESS): Ditto.
923         (IX86_BUILTIN_COMEQSD): Ditto.
924         (IX86_BUILTIN_COMNESD): Ditto.
925         (IX86_BUILTIN_COMLTSD): Ditto.
926         (IX86_BUILTIN_COMLESD): Ditto.
927         (IX86_BUILTIN_COMGTSD): Ditto.
928         (IX86_BUILTIN_COMGESD): Ditto.
929         (IX86_BUILTIN_COMUEQSD): Ditto.
930         (IX86_BUILTIN_COMUNESD): Ditto.
931         (IX86_BUILTIN_COMULTSD): Ditto.
932         (IX86_BUILTIN_COMULESD): Ditto.
933         (IX86_BUILTIN_COMUGTSD): Ditto.
934         (IX86_BUILTIN_COMUGESD): Ditto.
935         (IX86_BUILTIN_COMORDSD): Ditto.
936         (IX86_BUILTIN_COMUNORDSD): Ditto.
937         (IX86_BUILTIN_COMFALSESD): Ditto.
938         (IX86_BUILTIN_COMTRUESD): Ditto.
939         (IX86_BUILTIN_COMEQPS): Ditto.
940         (IX86_BUILTIN_COMNEPS): Ditto.
941         (IX86_BUILTIN_COMLTPS): Ditto.
942         (IX86_BUILTIN_COMLEPS): Ditto.
943         (IX86_BUILTIN_COMGTPS): Ditto.
944         (IX86_BUILTIN_COMGEPS): Ditto.
945         (IX86_BUILTIN_COMUEQPS): Ditto.
946         (IX86_BUILTIN_COMUNEPS): Ditto.
947         (IX86_BUILTIN_COMULTPS): Ditto.
948         (IX86_BUILTIN_COMULEPS): Ditto.
949         (IX86_BUILTIN_COMUGTPS): Ditto.
950         (IX86_BUILTIN_COMUGEPS): Ditto.
951         (IX86_BUILTIN_COMORDPS): Ditto.
952         (IX86_BUILTIN_COMUNORDPS): Ditto.
953         (IX86_BUILTIN_COMFALSEPS): Ditto.
954         (IX86_BUILTIN_COMTRUEPS): Ditto.
955         (IX86_BUILTIN_COMEQPD): Ditto.
956         (IX86_BUILTIN_COMNEPD): Ditto.
957         (IX86_BUILTIN_COMLTPD): Ditto.
958         (IX86_BUILTIN_COMLEPD): Ditto.
959         (IX86_BUILTIN_COMGTPD): Ditto.
960         (IX86_BUILTIN_COMGEPD): Ditto.
961         (IX86_BUILTIN_COMUEQPD): Ditto.
962         (IX86_BUILTIN_COMUNEPD): Ditto.
963         (IX86_BUILTIN_COMULTPD): Ditto.
964         (IX86_BUILTIN_COMULEPD): Ditto.
965         (IX86_BUILTIN_COMUGTPD): Ditto.
966         (IX86_BUILTIN_COMUGEPD): Ditto.
967         (IX86_BUILTIN_COMORDPD): Ditto.
968         (IX86_BUILTIN_COMUNORDPD): Ditto.
969         (IX86_BUILTIN_COMFALSEPD): Ditto.
970         (IX86_BUILTIN_COMTRUEPD): Ditto.
971         (IX86_BUILTIN_PCOMEQUB): Ditto.
972         (IX86_BUILTIN_PCOMNEUB): Ditto.
973         (IX86_BUILTIN_PCOMLTUB): Ditto.
974         (IX86_BUILTIN_PCOMLEUB): Ditto.
975         (IX86_BUILTIN_PCOMGTUB): Ditto.
976         (IX86_BUILTIN_PCOMGEUB): Ditto.
977         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
978         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
979         (IX86_BUILTIN_PCOMEQUW): Ditto.
980         (IX86_BUILTIN_PCOMNEUW): Ditto.
981         (IX86_BUILTIN_PCOMLTUW): Ditto.
982         (IX86_BUILTIN_PCOMLEUW): Ditto.
983         (IX86_BUILTIN_PCOMGTUW): Ditto.
984         (IX86_BUILTIN_PCOMGEUW): Ditto.
985         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
986         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
987         (IX86_BUILTIN_PCOMEQUD): Ditto.
988         (IX86_BUILTIN_PCOMNEUD): Ditto.
989         (IX86_BUILTIN_PCOMLTUD): Ditto.
990         (IX86_BUILTIN_PCOMLEUD): Ditto.
991         (IX86_BUILTIN_PCOMGTUD): Ditto.
992         (IX86_BUILTIN_PCOMGEUD): Ditto.
993         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
994         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
995         (IX86_BUILTIN_PCOMEQUQ): Ditto.
996         (IX86_BUILTIN_PCOMNEUQ): Ditto.
997         (IX86_BUILTIN_PCOMLTUQ): Ditto.
998         (IX86_BUILTIN_PCOMLEUQ): Ditto.
999         (IX86_BUILTIN_PCOMGTUQ): Ditto.
1000         (IX86_BUILTIN_PCOMGEUQ): Ditto.
1001         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
1002         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
1003         (IX86_BUILTIN_PCOMEQB): Ditto.
1004         (IX86_BUILTIN_PCOMNEB): Ditto.
1005         (IX86_BUILTIN_PCOMLTB): Ditto.
1006         (IX86_BUILTIN_PCOMLEB): Ditto.
1007         (IX86_BUILTIN_PCOMGTB): Ditto.
1008         (IX86_BUILTIN_PCOMGEB): Ditto.
1009         (IX86_BUILTIN_PCOMFALSEB): Ditto.
1010         (IX86_BUILTIN_PCOMTRUEB): Ditto.
1011         (IX86_BUILTIN_PCOMEQW): Ditto.
1012         (IX86_BUILTIN_PCOMNEW): Ditto.
1013         (IX86_BUILTIN_PCOMLTW): Ditto.
1014         (IX86_BUILTIN_PCOMLEW): Ditto.
1015         (IX86_BUILTIN_PCOMGTW): Ditto.
1016         (IX86_BUILTIN_PCOMGEW): Ditto.
1017         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1018         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1019         (IX86_BUILTIN_PCOMEQD): Ditto.
1020         (IX86_BUILTIN_PCOMNED): Ditto.
1021         (IX86_BUILTIN_PCOMLTD): Ditto.
1022         (IX86_BUILTIN_PCOMLED): Ditto.
1023         (IX86_BUILTIN_PCOMGTD): Ditto.
1024         (IX86_BUILTIN_PCOMGED): Ditto.
1025         (IX86_BUILTIN_PCOMFALSED): Ditto.
1026         (IX86_BUILTIN_PCOMTRUED): Ditto.
1027         (IX86_BUILTIN_PCOMEQQ): Ditto.
1028         (IX86_BUILTIN_PCOMNEQ): Ditto.
1029         (IX86_BUILTIN_PCOMLTQ): Ditto.
1030         (IX86_BUILTIN_PCOMLEQ): Ditto.
1031         (IX86_BUILTIN_PCOMGTQ): Ditto.
1032         (IX86_BUILTIN_PCOMGEQ): Ditto.
1033         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1034         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1035         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1036         OPTION_MASK_ISA_ROUND for instructions that are shared between
1037         SSE4.1 and SSE5.
1038         (bdesc_2arg): Ditto.
1039         (bdesc_sse_3arg): Ditto.
1040         (enum multi_arg_type): New enum for describing the various SSE5
1041         intrinsic argument types.
1042         (bdesc_multi_arg): New table for SSE5 intrinsics.
1043         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1044         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1045         intrinsics.
1046         (ix86_expand_builtin): Add SSE5 intrinsic support.
1047         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1048         operand instructions.
1049         (ix86_expand_sse5_multiple_memory): New function to split the
1050         second memory reference from SSE5 instructions.
1051         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1052         (ix86_return_pops_args): Use stdarg_p to determine if the function
1053         has variable arguments.
1054         (ix86_setup_incoming_varargs): Ditto.
1055         (x86_this_parameter): Ditto.
1056
1057         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1058         declaration.
1059         (ix86_expand_sse5_pack): Ditto.
1060         (ix86_sse5_valid_op_p): Ditto.
1061         (ix86_expand_sse5_multiple_memory): Ditto.
1062
1063         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1064         constant for SSE5 support.
1065         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1066         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1067         (UNSPEC_SSE5_PERMUTE): Ditto.
1068         (UNSPEC_SSE5_ASHIFT): Ditto.
1069         (UNSPEC_SSE5_LSHIFT): Ditto.
1070         (UNSPEC_FRCZ): Ditto.
1071         (UNSPEC_CVTPH2PS): Ditto.
1072         (UNSPEC_CVTPS2PH): Ditto.
1073         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1074         (PCOM_TRUE): Ditto.
1075         (COM_FALSE_S): Ditto.
1076         (COM_FALSE_P): Ditto.
1077         (COM_TRUE_S): Ditto.
1078         (COM_TRUE_P): Ditto.
1079         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1080         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1081         types.
1082         (memory attribute): Ditto.
1083         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1084         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1085         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1086         (floor<mode>2): Ditto.
1087         (ceil<mode>2): Ditto.
1088         (btrunc<mode>2): Ditto.
1089         (nearbyintdf2): Ditto.
1090         (nearbyintsf2): Ditto.
1091         (sse_setccsf): Disable if SSE5.
1092         (sse_setccdf): Ditto.
1093         (sse5_setcc<mode>): New support for SSE5 conditional move.
1094         (sse5_pcmov_<mode>): Ditto.
1095
1096         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1097         (SSEMODEF4): Ditto.
1098         (SSEMODEF2P): Ditto.
1099         (ssemodesuffixf4): New mode attribute for SSE5.
1100         (ssemodesuffixf2s): Ditto.
1101         (ssemodesuffixf2c): Ditto.
1102         (sserotatemax): Ditto.
1103         (ssescalarmode): Ditto.
1104         (sse_maskcmpv4sf3): Disable if SSE5.
1105         (sse_maskcmpv2df3): Ditto.
1106         (sse_vmmaskcmpv4sf3): Ditto.
1107         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1108         instructions.
1109         (sse5_vmfmadd<mode>4): Ditto.
1110         (sse5_fmsub<mode>4): Ditto.
1111         (sse5_vmfmsub<mode>4): Ditto.
1112         (sse5_fnmadd<mode>4): Ditto.
1113         (sse5_vmfnmadd<mode>4): Ditto.
1114         (sse5_fnmsub<mode>4): Ditto.
1115         (sse5_vmfnmsub<mode>4): Ditto.
1116         (sse5i_fmadd<mode>4): Ditto.
1117         (sse5i_fmsub<mode>4): Ditto.
1118         (sse5i_fnmadd<mode>4): Ditto.
1119         (sse5i_fnmsub<mode>4): Ditto.
1120         (sse5i_vmfmadd<mode>4): Ditto.
1121         (sse5i_vmfmsub<mode>4): Ditto.
1122         (sse5i_vmfnmadd<mode>4): Ditto.
1123         (sse5i_vmfnmsub<mode>4): Ditto.
1124         (mulv16qi3): Add SSE5 support.
1125         (mulv4si3): Ditto.
1126         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1127         (sse2_mulv4si3): Disable if SSE5.
1128         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1129         (sse4_1_roundps): Ditto.
1130         (sse4_1_roundsd): Ditto.
1131         (sse4_1_roundss): Ditto.
1132         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1133         be generated.
1134         (sse_maskcmpsf3): Ditto.
1135         (sse_vmmaskcmpv4sf3): Ditto.
1136         (sse2_maskcmpv2df3): Ditto.
1137         (sse2_maskcmpdf3): Ditto.
1138         (sse2_vmmaskcmpv2df3): Ditto.
1139         (sse2_eq<mode>3): Ditto.
1140         (sse2_gt<mode>3): Ditto.
1141         (sse5_pcmov_<mode>): Add SSE5 support.
1142         (vec_unpacku_hi_v16qi): Ditto.
1143         (vec_unpacks_hi_v16qi): Ditto.
1144         (vec_unpacku_lo_v16qi): Ditto.
1145         (vec_unpacks_lo_v16qi): Ditto.
1146         (vec_unpacku_hi_v8hi): Ditto.
1147         (vec_unpacks_hi_v8hi): Ditto.
1148         (vec_unpacku_lo_v8hi): Ditto.
1149         (vec_unpacks_lo_v8hi): Ditto.
1150         (vec_unpacku_hi_v4si): Ditto.
1151         (vec_unpacks_hi_v4si): Ditto.
1152         (vec_unpacku_lo_v4si): Ditto.
1153         (vec_unpacks_lo_v4si): Ditto.
1154         (sse5_pmacsww): New SSE5 intrinsic insn.
1155         (sse5_pmacssww): Ditto.
1156         (sse5_pmacsdd): Ditto.
1157         (sse5_pmacssdd): Ditto.
1158         (sse5_pmacssdql): Ditto.
1159         (sse5_pmacssdqh): Ditto.
1160         (sse5_pmacsdqh): Ditto.
1161         (sse5_pmacsswd): Ditto.
1162         (sse5_pmacswd): Ditto.
1163         (sse5_pmadcsswd): Ditto.
1164         (sse5_pmadcswd): Ditto.
1165         (sse5_pcmov_<move>): Conditional move support on SSE5.
1166         (sse5_phaddbw): New SSE5 intrinsic insn.
1167         (sse5_phaddbd): Ditto.
1168         (sse5_phaddbq): Ditto.
1169         (sse5_phaddwd): Ditto.
1170         (sse5_phaddwq): Ditto.
1171         (sse5_phadddq): Ditto.
1172         (sse5_phaddubw): Ditto.
1173         (sse5_phaddubd): Ditto.
1174         (sse5_phaddubq): Ditto.
1175         (sse5_phadduwd): Ditto.
1176         (sse5_phadduwq): Ditto.
1177         (sse5_phaddudq): Ditto.
1178         (sse5_phsubbw): Ditto.
1179         (sse5_phsubwd): Ditto.
1180         (sse5_phsubdq): Ditto.
1181         (sse5_pperm): Ditto.
1182         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1183         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1184         (sse5_pperm_sign_v8hi_v4si): Ditto.
1185         (sse5_pperm_zero_v8hi_v4si): Ditto.
1186         (sse5_pperm_sign_v4si_v2di): Ditto.
1187         (sse5_pperm_sign_v4si_v2di): Ditto.
1188         (sse5_pperm_pack_v2di_v4si): Ditto.
1189         (sse5_pperm_pack_v4si_v8hi): Ditto.
1190         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1191         (sse5_perm<mode>): New SSE5 intrinsic insn.
1192         (rotl<mode>3): Ditto.
1193         (sse5_rotl<mode>3): Ditto.
1194         (sse5_ashl<mode>3): Ditto.
1195         (sse5_lshl<mode>3): Ditto.
1196         (sse5_frcz<mode>2): Ditto.
1197         (sse5s_frcz<mode>2): Ditto.
1198         (sse5_cvtph2ps): Ditto.
1199         (sse5_cvtps2ph): Ditto.
1200         (sse5_vmmaskcmp<mode>3): Ditto.
1201         (sse5_com_tf<mode>3): Ditto.
1202         (sse5_maskcmp<mode>3): Ditto.
1203         (sse5_maskcmp_uns<mode>3): Ditto.
1204         (sse5_maskcmp_uns2<mode>3): Ditto.
1205         (sse5_pcom_tf<mode>3): Ditto.
1206         
1207         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1208         to match 0..31.
1209         (sse5_comparison_float_operator): New predicate to match the
1210         comparison operators supported by the SSE5 com instruction.
1211         (ix86_comparison_int_operator): New predicate to match just the
1212         signed int comparisons.
1213         (ix86_comparison_uns_operator): New predicate to match just the
1214         unsigned int comparisons.
1215
1216         * doc/invoke.texi (-msse5): Add documentation.
1217         (-mfused-madd): Ditto.
1218
1219         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1220
1221         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1222         mmintrin-common.h.
1223         (x86_64-*-*): Ditto.
1224
1225         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1226
1227         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1228         intrinisics for SSE5.
1229
1230         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1231         mmintrin-common.h.
1232
1233         * config/i386/mmintrin-common.h: New file, to contain common
1234         instructions between SSE4.1 and SSE5.
1235
1236         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1237         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1238         (gen_regparm_prefix): Ditto.
1239
1240         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1241         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1242         prototype_p to determine if a function is prototyped.
1243
1244 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1245
1246         * config/dfp-bit.c (dfp_conversion_exception): New function.
1247         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1248         (DFP_TO_INT): Ditto.
1249         (INT_TO_DFP): Ditto.
1250         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1251
1252 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR target/32338
1255         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1256         before sp restoration even when total_size is 0, but
1257         frame_pointer_needed.
1258
1259 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1260
1261         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1262         (xtensa_copy_incoming_a7): Use start_sequence instead of
1263         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1264         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1265         of the saveregs sequence.
1266
1267 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1268
1269         * c-tree.h (grokfield): Add a "tree *" argument.
1270         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1271         Chain nested decl attributes to it.  Don't call decl_attributes here.
1272         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1273         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1274         (grokfield): Take a pointer to the decl's attributes and pass
1275         it to grokdeclarator.
1276         * c-parser.c (c_parser_struct_declaration): Update the calls to
1277         grokfield.  Call decl_attributes for anonymous struct and union
1278         fields.
1279
1280 2007-09-12  Jan Hubicka  <jh@suse.cz>
1281
1282         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1283
1284 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1285
1286         PR tree-optimization/32377
1287         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1288         between positive and negative dependence distance using DDR_REVERSED_P.
1289
1290 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1291
1292         PR tree-optimization/33373
1293         * tree-vect-analyze (vect_determine_vectorization_factor): Call 
1294         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT. 
1295
1296 2007-09-12  Jan Hubicka  <jh@suse.cz>
1297
1298         PR target/33393
1299         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable for
1300         !SSE_MATH
1301
1302 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1303
1304         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1305         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. 
1306         
1307 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1308
1309         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1310         for oprnd1 if not required.
1311         (vectorizable_operation): Use scalar operand in SLP in case of 
1312         shift with scalar argument.
1313
1314 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1315
1316         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum 
1317         to 1.
1318
1319 2007-09-11  James E. Wilson  <wilson@specifix.com>
1320
1321         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1322         TARGET_UNWIND_INFO is defined.
1323         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1324         after definition.
1325
1326 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1327
1328         * config/sh/sh.c (calc_live_regs): Use
1329         current_function_saves_all_registers instead of
1330         current_function_has_nonlocal_label.
1331         (sh_allocate_initial_value): Likewise.
1332         (sh_get_pr_initial_val): Likewise.
1333         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1334         * config/sh/sh.md (load_ra): Likewise.
1335
1336 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1337
1338         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1339
1340         PR target/33360
1341         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1342         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1343
1344 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1345
1346         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1347         operands to DFmode GE or LE compares.
1348
1349 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1350
1351         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1352         REG_CLASS_NAMES): Add P0REGS.
1353         (REGNO_REG_CLASS): Return it where appropriate.
1354         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1355         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1356         * doc/md.texi (Blackfin family): Document 'q' constraints.
1357
1358 2007-09-11  Steve Kenton  <skenton@ou.edu>
1359
1360         * pa/linux-unwind.h: Guard with inhibit_libc.
1361         * pa/hpux-unwind.h: Likewise.
1362
1363 2007-09-11  David Daney  <ddaney@avtrex.com>
1364
1365         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1366         * doc/install.texi: Document new --with-llsc and --without-llsc
1367         options.
1368         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1369         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1370         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1371         ISA_HAS_SYNC.
1372         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1373         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1374         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1375         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1376         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1377         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1378         * config/mips/mips.opt (mllsc): New option.
1379         * config/mips/mips.c (mips_llsc): Define variable.
1380         (mips_handle_option): Handle mllsc option.
1381         (override_options): Set mips_print_operand_punct for '|' and '-'.
1382         (print_operand): Add new %| and %- operand codes.
1383         * config/mips/mips.h (mips_llsc_setting): New enum type.
1384         (mips_llsc): Declare.
1385         (OPTION_DEFAULT_SPECS): Add llsc handling.
1386         (GENERATE_SYNC): New macro.
1387         (GENERATE_LL_SC): New macro.
1388         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1389         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1390         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1391         in %| and %- operand codes.
1392
1393 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1394
1395         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1396         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1397
1398 2007-09-11  Jason Merrill  <jason@redhat.com>
1399
1400         PR middle-end/27945
1401         * stor-layout.c (layout_decl): Do pack variable size fields.    
1402
1403 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1404
1405         * config/m68k/predicates.md (movsi_const0_operand,
1406         non_symbolic_call_operand): New predicates.
1407
1408         * config/m68k/constraints.md: (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1409         New constraints.
1410         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1411         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1412         CW, CZ, CS, Ap and Ac.
1413
1414         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1415         (constraints.md): New include.
1416         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1417         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1418         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1419         Specify attributes.
1420         (pushdi): Add split.
1421         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1422         attributes.  Split tstsi_internal_68020_cf from it.
1423         (tstsi_internal_68020_cf): New pattern.
1424         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1425         (tst<mode>_cf): Specify attributea.
1426         (cmpsi_cf): Name pattern.  Specify attributes.
1427         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1428         (pushexthisi_const): Fix to use alternatives.  Specify
1429         attributes.
1430         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1431         from it.  Fix to use alternatives.  Specify attributes.
1432         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1433         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1434         attributes.
1435         (movsf_cf_soft): Specify attributes.
1436         (movdf_cf_soft): Add split.
1437         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1438         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1439         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1440         (truncdfsf2_68881): Name pattern.  Specify attributes.
1441         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1442         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1443         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1444         Specify attributes.
1445         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1446         Add splits.
1447         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1448         (subsi3): Add alternative for subq.l.  Specify attributes.
1449         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1450         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1451         attributes.
1452         (umulhisi3): Specify attributes.
1453         (mulhisisi3_z): Name pattern.  Specify attributes.
1454         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1455         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1456         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1457         bsetmemqi): Specify attributes.
1458         (bsetmemqi_ext): Name pattern.  Specify attributes.
1459         (bclrmemqi): Specify attributes.
1460         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1461         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1462         attributes.
1463         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1464         pattern.  Specify attributes.
1465         (jump): Specify attributes.
1466         (tablejump_internal): Name pattern.  Specify attributes.
1467         (call_value): Split into non_symbolic_call_value,
1468         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1469         alternatives.  Specify attributes.
1470         (non_symbolic_call_value, symbolic_call_value_jsr,
1471         symbolic_call_value_bsr): New patterns.
1472         (nop, return, unlink, indirect_jump): Specify attributes.
1473         (trap): Fix condition.  Specify attributes.
1474         (ib): New pattern.
1475
1476         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1477         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1478         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1479         (const_method): Make global, rename to m68k_const_method.
1480         (const_int_cost, output_move_const_into_data_reg): Update.
1481         (output_move_double): Parametrize to emit rtl code, rename to
1482         handle_move_double.
1483         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1484         emit_movsi): New static functions.
1485         (output_move_double): New function with semantics of old
1486         output_move_double.
1487         (m68k_emit_move_double): New function.
1488         (m68k_sched_cpu): New variable.
1489         (attr_op_type): New enum.
1490         (sched_guess_p): New variable.
1491         (sched_address_type, sched_operand_type, sched_attr_op_type):
1492         New static functions.
1493         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1494         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1495         (sched_branch_type): New static variable.
1496         (m68k_sched_branch_type): New function.
1497         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1498         (m68k_symbolic_call_var): Declare.
1499         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1500         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1501         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1502         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1503         Declare.
1504
1505 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1506
1507         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1508         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1509         error if __builtin_va_arg_pack_len () wasn't optimized out during
1510         inlining.
1511         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1512         with the number of inline's anonymous arguments.
1513         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1514
1515 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1516
1517         * fold-const.c (extract_muldiv_1): Do not simplify
1518         var * c * c to var.
1519
1520 2007-09-11  Jan Hubicka <jh@suse.cz>
1521
1522         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1523         (TARGET_INTER_UNIT_CONVERSIONS): New.
1524         * i386.md (floatsi expanders): Remove redundant check for SImode
1525         source; offload to memory when asked for.
1526         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1527         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1528         Update conditions;
1529         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1530         floatsidf2_mixed_memory, floatsidf2_sse_memory
1531         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1532         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1533
1534 2007-09-11  Jan Hubicka <jh@suse.cz>
1535
1536         * toplev.c (process_options): all frontends now do unit-at-a-time.
1537         * cgraphunit.c: update comments.
1538         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1539         * c-decl.c (finish_function): use cgraph_add_new_function.
1540         * function.c (expand_function_end): We are always unit-at-a-time.
1541
1542 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1543
1544         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1545         settings for MIPS16.
1546         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1547
1548 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1549
1550         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1551         SYMBOL_FORCE_TO_MEM constants.
1552         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1553         (mips16_rewrite_pool_refs_info): New structure.
1554         (mips16_rewrite_pool_constant): New function, split out from...
1555         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1556         mips16_rewrite_pool_refs_info structure rather than a pointer
1557         to a constant pool.  Force force_to_mem_operands into memory.
1558         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1559         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1560         * config/mips/constraints.md (kf): New constraint.
1561         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1562         (*movsi_mips16): Likewise.
1563
1564 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1565             Nigel Stephens  <nigel@mips.com>
1566             David Ung  <davidu@mips.com>
1567
1568         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1569         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1570         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1571         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1572         (mips_zero_extend_cost): New functions.
1573         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1574         Use the new functions.  Tweak many cost estimates, both here
1575         and in the new subroutines.  Return false when the cost of the
1576         operands has not been calculated.  Check for *clear_upper32.
1577         Check for floating-point multiply-add, reciprocal and rsqrt
1578         patterns.  Handle comparison and rotation codes.
1579
1580 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1581
1582         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1583         override default.
1584         * config/i386/i386.c (get_dllimport_decl): Don't strip
1585         FASTCALL_PREFIX.
1586
1587 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1588
1589         PR c/30013
1590         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1591         declarations to top.
1592         (DFP_TO_BFP): Use for either XFmode or TFmode.
1593         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1594         of BFP_VIA_TYPE.
1595         * config/dfp-bit.h: Include float.h.
1596         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1597         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1598         which doesn't mean the same thing.
1599         (BFP_KIND): Use 4 to mean TFmode.
1600         (BFP_FMT): Specify the number of decimal digits based on the
1601         number of mantissa digits.
1602         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1603         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1604         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1605         (TFtype): Define if TFmode is supported.
1606         * doc/libgcc.texi (Decimal float library routines): Document
1607         TF conversion functions.
1608
1609 2007-09-10  Chao-ying Fu  <fu@mips.com>
1610
1611         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1612         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1613         (mips_emit_compare): Process fixed-point modes.
1614         (mips_pad_arg_upward): Support fixed-point types.
1615         (override_options): Allow fixed-point modes in accumulators.
1616         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1617         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1618         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1619         (mips_scalar_mode_supported_p): New function to accept fixed-point
1620         modes if the width is not greater than two BITS_PER_WORD.
1621         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1622         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1623         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1624         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1625         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1626         modes.
1627         ("IMODE"): New mode attribute.
1628         (mips-fixed.md): Include.
1629         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1630         ACCUM, UACCUM.
1631         * config/mips/mips-fixed.md: New file.
1632
1633 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1634
1635         * config/spu/spu.md: Formatting fixes.
1636
1637 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1638
1639         * config/dfp-bit.c (dfp_unary_func): Delete.
1640         (dfp_unary_op): Delete.
1641         (dfp_binary_op): Use decFloat functions instead of decNumber
1642         functions for binary operations.
1643         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1644         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1645         DFP_C_TYPE.
1646         (dfp_compare_op): Use decFloat functions insteadof decNumber
1647         functions for comparisons.
1648         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1649         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1650         DFP_C_TYPE.
1651         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1652         call to dxx_binary_op and decFloat function.
1653         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1654         calls to dxx_binary_op and decFloat function.
1655         * config/dfp-bit.h: Include decFloat header files.
1656         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1657         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1658         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1659         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1660
1661 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1662             Jan Sjodin <jan.sjodin@amd.com>
1663         
1664         * tree-vect-analyze.c (vect_analyze_operations): Change
1665         comparison of loop iterations with threshold to less than
1666         or equal to instead of less than. Reduce
1667         min_scalar_loop_bound by one.
1668         * tree-vect-transform.c (vect_estimate_min_profitable_iters): 
1669         Change prologue and epilogue iterations estimate to vf/2,
1670         when unknown at compile-time. Change versioning guard
1671         cost to taken_branch_cost. If peeling for alignment is
1672         unknown at compile-time, change peel guard costs to one
1673         taken branch and one not-taken branch per peeled loop.
1674         If peeling for alignment is known but number of scalar loop
1675         iterations is unknown at compile-time, change peel guard
1676         costs to one taken branch per peeled loop. Change the cost
1677         model equation to consider vector iterations as the loop
1678         iterations less the prologue and epilogue iterations.
1679         Change outside vector cost check to less than or equal to
1680         zero instead of equal to zero.
1681         (vect_do_peeling_for_loop_bound): Reduce
1682         min_scalar_loop_bound by one.
1683         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1684         TARG_COND_NOT_TAKEN_BRANCH_COST.        
1685         * config/i386/i386.h (processor_costs): Add
1686         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1687         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1688         vec_align_load_cost, vect_unalign_load_cost,
1689         vec_store_cost, cond_taken_branch_cost,
1690         cond_not_taken_branch_cost.
1691         Define macros for x86 costs.
1692         * config/i386/i386.c:
1693         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1694         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1695         scalar_to_vec_cost, vec_align_load_cost, 
1696         vect_unalign_load_cost, vec_store_cost,
1697         cond_taken_branch_cost, cond_not_taken_branch_cost to one. 
1698         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1699         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, 
1700         core2_cost, generic64_cost, generic32_cost): Set to default
1701         untuned costs.
1702         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
1703         (x86_builtin_vectorization_cost): New.
1704
1705 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1706             Ben Elliston  <bje@au.ibm.com>
1707
1708         * dfp.c: Include decimal128Local.h; 
1709         (dfp_byte_swap): Remove.
1710         (encode_decimal32, decode_decimal32): Don't handle endianness.
1711         (encode_decimal64, decode_decimal64): Ditto.
1712         (encode_decimal128, decode_decimal128): Ditto.
1713         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
1714         (__swap64): Remove.
1715         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
1716          (__swap128): Remove
1717         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
1718         * Makefile.in (DECNUM_H): Add decimal128Local.h.
1719
1720 2007-09-10  David Daney  <ddaney@avtrex.com>
1721
1722         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
1723         define_constants.
1724         (memory_barrier): Rewrote as an insn that clobbers memory.
1725
1726 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1727
1728         * config/mips/mips.c (mips_global_pointer): Check
1729         call_really_used_regs instead of call_used_regs.
1730         (mips_save_reg_p): Likewise.  Save all call-saved registers
1731         if current_function_saves_all_registers.  Fix indentation.
1732         No longer treat $18 as a special case.
1733         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
1734
1735 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1736
1737         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
1738         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
1739         the introductory comment.
1740         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1741         (override_options): Don't test for it.
1742         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1743         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
1744         * config/mips/vr.h: As for config/mips/sde.h.
1745
1746 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1747             Revital Eres  <eres@il.ibm.com>
1748
1749         * target.h (struct gcc_target.sched): New field: sms_res_mii.
1750         (struct ddg): Define.
1751         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
1752         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
1753         * config/spu/spu.c: Include ddg.h.
1754         (TARGET_SCHED_SMS_RES_MII): Define.
1755         (spu_sms_res_mii): New function to calculate mii.
1756         * modulo-sched (res_MII): Use it.
1757         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
1758
1759 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1760
1761         * config/s390/s390.c (s390_dump_pool): Create copy of constant
1762         pool entries since they might hold values that must not be shared.
1763
1764 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
1765
1766         PR target/33369
1767         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
1768         Use 'N' operand constraint for op2.
1769         (lshr<mode>3): Ditto.
1770         (ashl<mode>3): Ditto.
1771         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
1772         (vec_shr_<mode>): Ditto.
1773         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
1774         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
1775
1776 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1777
1778         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
1779         Change mode macro in the last real_2expN parameter to uppercase.
1780
1781 2007-09-10  Michael Matz  <matz@suse.de>
1782
1783         * tree-pass.h (pass_cselim): Declare new pass.
1784         * passes.c (init_optimization_passes): Link in pass_cselim.
1785         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
1786         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
1787         cond_store_replacement.
1788         (condstoretemp): New static variable.
1789         (cond_store_replacement): New function.
1790         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
1791         tree_ssa_phiopt_worker.
1792         (struct name_to_bb): New.
1793         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
1794         nt_init_block, nt_fini_block): New static functions.
1795         (seen_ssa_names, nontrap_set): New static variables.
1796         (gate_cselim, pass_cselim): Define new pass.
1797         * common.opt (ftree-cselim): New flag.
1798         * toplev.c (process_options): Set flag_tree_cselim if required.
1799
1800 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
1801
1802         * simplify-rtx.c (simplify_relational_operation_1): For recent
1803         canonicalization, don't recurse if op1 equals both PLUS arguments.
1804
1805 2007-09-09  David Daney  <ddaney@avtrex.com>
1806
1807         * optabs.c (expand_sync_operation):  Use plus insn if minus
1808         CONST_INT_P(val).
1809         (expand_sync_fetch_operation):  Ditto.
1810
1811 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1812
1813         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
1814         of cvtpq2ps.
1815         (*floatsisf2_sse_vector): Likewise.
1816
1817 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
1818
1819         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1820
1821 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1822
1823         * config/i386/i386.h (ix86_tune_indices): Rename
1824         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
1825         (TARGET_USE_VECTOR_CONVERTS): Updated.
1826         * config/i386/i386.c: Likewise.
1827
1828 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
1829             Nigel Stephens <nigel@mips.com>
1830
1831         * doc/invoke.texi (Overall Options):  Add .sx file extension
1832         as a synonym for .S.
1833         * cppspec.c (known_suffixes): Likewise.
1834         * gcc.c (default_compilers): Likewise.
1835
1836 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1837
1838         PR target/30315
1839         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
1840         * simplify-rtx.c (simplify_relational_operation_1): Add the
1841         canonicalization from i386.h.
1842         * doc/md.texi (Canonicalization of Instructions): Document it.
1843
1844 2007-09-09  Jan Hubicka  <jh@suse.cz>
1845             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1846
1847         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
1848         (TARGET_USE_VECTOR_CONVERTS): New.
1849         * i386.md: New post-reload splitters for converting SF to DF and DF to
1850         SF.
1851         (floatsi* expander): Special case vector conversions.
1852         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
1853         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
1854         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
1855         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1856         Disable when doing vector converts.
1857         (floatsi<mode>2_i387): Disable when
1858         * sse.md (vec_dupv2df): Export.
1859         * i386.c (ix86_tune_features): Enable SSE conversions.
1860
1861 2007-09-09  Richard Guenther  <rguenther@suse.de>
1862
1863         * tree-ssa-operands.c (add_virtual_operand): Only mark
1864         stores as has_volatile_ops if alias information is not available.
1865
1866 2007-09-09  Revital Eres  <eres@il.ibm.com>
1867
1868         * doc/contrib.texi: Add myself.
1869
1870 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1871
1872         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
1873         stmt_vinfo_set_outside_of_loop_cost): New functions.
1874         * tree-vect-transform.c (vect_get_cost_fields): Remove.
1875         (vect_model_simple_cost): Call
1876         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
1877         field instead of calling vect_get_cost_fields.
1878         (vect_model_store_cost, vect_model_load_cost): Likewise.
1879
1880 2007-09-09  Revital Eres  <eres@il.ibm.com>
1881
1882         * config/rs6000/rs6000.c (paired_init_builtins): Add const
1883         declaration to bdesc_paired_preds variable.
1884         (paired_expand_builtin): Likewise.
1885
1886 2007-09-09  Revital Eres  <eres@il.ibm.com>
1887
1888         * dbgcnt.def (sms_sched_loop): New counter.
1889         * modulo-sched.c: Use sms_sched_loop instead of
1890         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
1891         perform swing modulo scheduling on.  Include dbgcnt.h.
1892         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
1893         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
1894
1895 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
1896
1897         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
1898         Substitute all uses with ...
1899         (MODEF): New mode iterator.
1900
1901         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
1902         from pre-regalloc define_insn_and_split splitter pattern.
1903         (*fix_trunc<mode>_i387_1): Ditto.
1904         (*fistdi2_1): Ditto.
1905         (*fist<mode>2_1): Ditto.
1906         (frndintxf2_floor): Ditto.
1907         (*fist<mode>2_floor_1): Ditto.
1908         (frndintxf2_ceil): Ditto.
1909         (*fist<mode>2_ceil_1): Ditto.
1910         (frndintxf2_trunc): Ditto.
1911         (frndintxf2_mask_pm): Ditto.
1912
1913         (prologue): Use (const_int 0) as never generated filler insn.
1914         (epilogue): Ditto.
1915         (sibcall_epilogue): Ditto.
1916         (eh_return_si): Ditto.
1917         (eh_return_di): Ditto.
1918
1919         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
1920         using MODEF mode iterator.
1921         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
1922         using MODEF mode iterator.
1923         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
1924         using MODEF mode iterator.
1925         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
1926         Macroize expander using MODEF mode iterator.
1927
1928         (zero_extendsidi2): Remove operand constraints from expander.
1929         (smuldi3_highpart): Ditto.
1930         (indirect_jump): Ditto.
1931         (tablejump): Ditto.
1932         (rsqrtsf2): Ditto.
1933         * config/i386/sse.md (storentv4sf): Ditto.
1934         (storentv2df): Ditto.
1935         (storentv2di): Ditto.
1936         (storentsi): Ditto.
1937         (sse2_cvtpd2ps): Ditto.
1938         (vec_interleave_highv16qi): Ditto.
1939         (vec_interleave_lowv16qi): Ditto.
1940         (vec_interleave_highv8hi): Ditto.
1941         (vec_interleave_lowv8hi): Ditto.
1942         (vec_interleave_highv4si): Ditto.
1943         (vec_interleave_lowv4si): Ditto.
1944         (vec_interleave_highv2di): Ditto.
1945         (vec_interleave_lowv2di): Ditto.
1946         (sse2_maskmovdqu): Ditto.
1947         * config/i386/mmx.md (mmx_maskmovq): Ditto.
1948
1949 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1950
1951         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
1952         (struct _slp_tree, struct _slp_instance): Define new data structures
1953         along macros for their access.
1954         (struct _loop_vec_info): Define new fields: strided_stores,
1955         slp_instances, and slp_unrolling_factor along macros for their access.
1956         (enum slp_vect_type): New.
1957         (struct _stmt_vec_info): Define new field, slp_type, and macros for its
1958         access.
1959         (STMT_VINFO_STRIDED_ACCESS): New macro.
1960         (vect_free_slp_tree): Declare.
1961         (vectorizable_load): Add an argument of type slp_tree.
1962         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
1963         vectorizable_assignment): Likewise.
1964         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
1965         Declare (make extern).
1966         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1967         (new_loop_vec_info): Likewise.
1968         (destroy_loop_vec_info): Free memory allocated for SLP structures.
1969         * tree-vect-analyze.c: Include recog.h.
1970         (vect_update_slp_costs_according_to_vf): New.
1971         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
1972         functions. For not pure SLP stmts with strided access check that the
1973         group size is power of 2. Update the vectorization factor according to
1974         SLP. Call vect_update_slp_costs_according_to_vf.
1975         (vect_analyze_group_access): New.
1976         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
1977         (vect_free_slp_tree): New functions.
1978         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
1979         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
1980         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
1981         vect_detect_hybrid_slp): Likewise.
1982         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
1983         and vect_detect_hybrid_slp.
1984         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
1985         SLP costs into account.
1986         (vect_get_cost_fields): New function.
1987         (vect_model_simple_cost): Make extern, add SLP parameter and handle
1988         SLP.
1989         (vect_model_store_cost, vect_model_load_cost): Likewise.
1990         (vect_get_constant_vectors): New function.
1991         (vect_get_slp_vect_defs, vect_get_slp_defs,
1992         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
1993         vect_get_vec_defs): Likewise.
1994         (vectorizable_reduction): Don't handle SLP for now.
1995         (vectorizable_call): Don't handle SLP for now. Add argument to
1996         vect_model_simple_cost.
1997         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
1998         get SLPed and vectorized defs). Fix indentation and spacing.
1999         (vectorizable_assignment): Handle SLP.
2000         (vectorizable_induction): Don't handle SLP for now.
2001         (vectorizable_operation): Likewise.
2002         (vectorizable_type_demotion): Add argument to
2003         vect_model_simple_cost.
2004         (vectorizable_type_promotion): Likewise.
2005         (vectorizable_store, vectorizable_load): Handle SLP.
2006         (vectorizable_condition): Don't handle SLP for now.
2007         (vect_transform_stmt): Add a new argument for SLP. Check that there is
2008         no SLP transformation required for unsupported cases. Add SLP
2009         argument for supported cases.
2010         (vect_remove_stores): New function.
2011         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
2012         (vect_transform_loop): Schedule SLP instances.
2013         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
2014
2015 2007-09-09  Andrew Haley  <aph@redhat.com>
2016
2017         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the
2018         fake signed optab.
2019
2020 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2021
2022         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2023         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2024         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2025         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2026         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2027         REG_LABEL when replacing an operand with a LABEL_REF for a
2028         non-jump insn.
2029         (subst_reloads): When replacing a LABEL_REG with a register,
2030         instead of generating a REG_LABEL note, assert that there already
2031         is one or that the label is a known target for the insn.
2032         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2033         note, check the JUMP_LABEL field.  Remove "else" after return.
2034         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2035         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2036         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2037         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2038         insns.  Iterate over all notes; don't assume there's only one.
2039         * cse.c (recorded_label_ref): Adjust comment to refer to
2040         REG_LABEL_OPERAND.
2041         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2042         insns, not just NONJUMP_INSN_P.
2043         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2044         isn't a jump target.
2045         * jump.c (rebuild_jump_labels): Adjust head comment.
2046         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2047         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2048         (mark_all_labels): For JUMP_P insns without a target, check if the
2049         the target is noted on the previous nonjump insn.
2050         (mark_jump_label_1): New function, guts from mark_jump_label.
2051         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2052         marking jump target labels.
2053         <case LABEL_REF>: Adjust for whether to generate a
2054         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2055         For 'E' format rtl, iterate in descending element order.
2056         (delete_related_insns): Handle both REG_LABEL_TARGET and
2057         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2058         reference count, delete and fallthrough.  Move finding-next-
2059         non-deleted insn last in the function.  Look at all INSN_P insns
2060         for REG_LABEL_OPERAND notes.
2061         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2062         JUMP.
2063         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2064         JUMP_LABEL, output the INSN_UID of it.
2065         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2066         and/or REG_LABEL_TARGET.
2067         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2068         with jump.c copy by only adding notes for labels actually
2069         referenced in the insn.
2070         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2071         usage count increment; handle all INSN_P trial insns.
2072         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2073         notes.
2074         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2075         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2076         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2077         REG_LABEL_OPERAND.
2078         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2079         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2080         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2081         on all INSN_P insns.
2082         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2083         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2084         REG_LABEL_OPERAND notes.
2085         * reload1.c (calculate_needs_all_insns): Adjust comments.
2086         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2087         * config/alpha/alpha.md (split for load of an address into a
2088         four-insn sequence on Unicos/Mk): Adjust to use
2089         REG_LABEL_OPERAND.
2090         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2091
2092 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2093
2094         Revert:
2095         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2096         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2097         FOR_BB_INSNS_SAFE instead of for loop.
2098         * cse.c (cse_extended_basic_block): Likewise.
2099         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2100         that the for loop does not invoke NEXT_INSN on a deleted insn.
2101         * function.c (instantiate_virtual_regs): Likewise.
2102         * lower-subreg.c (remove_retval_note): Likewise.
2103         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2104         FOR_BB_INSNS.
2105         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2106         a deleted insn.
2107         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2108         insn, if it's a jump.
2109         (try_redirect_by_replacing_jump): New variable jump_p. Call
2110         tablejump_p before delete_insn_chain.
2111         * reload1.c (reload): New variable next. Make sure that the for
2112         loop does not invoke NEXT_INSN on a deleted insn.
2113         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2114         (delete_output_reload): New variable prev. Make sure the the for
2115         loops do not invoke PREV_INSN on a deleted insn.
2116
2117 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2118
2119         * pa/constraints.md: Remove 'X' from unused letters comment.
2120
2121 2007-09-08  Richard Guenther  <rguenther@suse.de>
2122
2123         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2124         computed check stmt_ann->references_memory instead of counting
2125         virtual operands.
2126  
2127 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2128
2129         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2130         validate_change() in one more case.
2131
2132 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2133
2134         PR tree-optimization/32283
2135         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2136         estimated_loop_iterations.
2137         (determine_use_iv_cost_condition): Decrease cost of expressions
2138         used in iv elimination.
2139
2140 2007-09-08  Richard Guenther  <rguenther@suse.de>
2141
2142         * tree-cfg.c (verify_gimple_expr): Avoid building new
2143         pointer types, use TYPE_POINTER_TO if available instead.
2144
2145 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2146
2147         PR target/33329
2148         PR rtl-optimization/26449
2149         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2150         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2151         split1 pass.
2152         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2153         define_expand.  Split insn in split1 pass.
2154         (mulv2di3): Ditto.
2155
2156 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2157
2158         PR tree-optimization/33301
2159         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2160         when relevant.
2161
2162 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2163
2164         PR tree-optimization/32183
2165         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2166
2167         * tree-ssa-reassoc.c: Include cfgloop.h.
2168         (is_reassociable_op): Add a loop argument and return true only
2169         for inside loop.
2170         (linearize_expr): Updated.
2171         (should_break_up_subtract): Likewise.
2172         (linearize_expr_tree): Likewise.
2173         (init_reassoc): Call loop_optimizer_init with
2174         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2175         with CDI_DOMINATORS.
2176         (fini_reassoc): Call loop_optimizer_finalize.
2177
2178 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2179
2180         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2181         if there is no i-cache.
2182
2183 2007-09-07  Richard Guenther  <rguenther@suse.de>
2184
2185         Reapply
2186         2007-09-06  Richard Guenther  <rguenther@suse.de>
2187
2188         PR tree-optimization/32586
2189         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2190         folding if nothing changed.
2191         (simplify_unary_expression): New function.  Do tree combining
2192         on conversion like codes.
2193         (try_to_simplify): Call it.
2194
2195 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2196
2197         PR target/33286
2198         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2199         (__gthread_active,__gthread_start, __gthread_active_init): New.
2200         * gthr-posix95.h: Likewise.
2201
2202 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2203
2204         * function.h (struct function): Rename calls_unwind_init
2205         to saves_all_registers.
2206         (current_function_saves_all_registers): Renamed from
2207         current_function_calls_unwind_init.
2208         * reload1.c (reload): Set current_function_saves_all_registers.
2209         * except.c (expand_builtin_unwind_init): Likewise.
2210         * config/m68k/m68k.c (m68k_save_reg): Use
2211         current_function_saves_all_registers to save pic register.
2212
2213 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2214
2215         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2216         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2217
2218         Reapply reverted changes:
2219
2220         2007-09-06  Jan Hubicka  <jh@suse.cz>
2221  
2222         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2223         real_2expN.
2224
2225         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2226
2227         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2228         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2229
2230         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2231
2232         * optabs.c (expand_float): Convert unsigned integer as signed only
2233         if it provides sufficient accuracy; add mode argument to real_2expN.
2234         (expand_fix): Fix comment typos; extend binary float into mode
2235         wider than destination for converion to unsigned integer; add mode
2236         argument to real_2expN.
2237         * real.c (real_2expN): Add mode argument to special-case decimal
2238         float values.
2239         * real.h (real_2expN): Ditto.
2240         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2241         real_2expN.
2242         (fixed_from_string): Ditto.
2243         (fixed_to_decimal): Ditto.
2244         (fixed_convert_from_real): Ditto.
2245         (real_convert_from_fixed): Ditto.
2246         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2247         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2248         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2249         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2250
2251 2007-09-07  Diego Novillo  <dnovillo@google.com>
2252
2253         * tree-flow.h (const_block_stmt_iterator): Remove.
2254         Update all users to use block_stmt_iterator.
2255         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2256         Update all users to use tree_stmt_iterator.
2257
2258 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2259
2260         * config/mips/mips.c (mips_set_current_function): Temporarily
2261         make this a no-op to fix bootstrap errors, pending rewrite.
2262
2263 2007-09-07  Jan Hubicka  <jh@suse.cz>
2264
2265         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2266         in the pass.
2267
2268 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2269
2270         PR tree-optimization/33299
2271         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2272         uses for all relevant loop-exit phis, not just the first.
2273
2274 2007-09-07  Richard Guenther  <rguenther@suse.de>
2275
2276         PR middle-end/33330
2277         * tree-ssa-operands.c (access_can_touch_variable): An access
2278         of the form (*p)[0] can touch a variable of same size.
2279
2280 2007-09-07  Jan Hubicka  <jh@suse.cz>
2281
2282         * passes.c (init_optimization_passes): Add simple dce and addressable
2283         passes.
2284         * tree-ssa.c (execute_update_addresses_taken): New function.
2285         (pass_update_address_taken): New.
2286         * tree-ssa-dse.c (execute_simple_dse): New function.
2287         (pass_simple_dse): New.
2288         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2289
2290 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2291
2292         PR middle-end/33321
2293         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2294
2295 2007-09-07  Richard Guenther  <rguenther@suse.de>
2296
2297         Revert
2298         2007-09-06  Richard Guenther  <rguenther@suse.de>
2299
2300         PR tree-optimization/32586
2301         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2302         folding if nothing changed.
2303         (simplify_unary_expression): New function.  Do tree combining
2304         on conversion like codes.
2305         (try_to_simplify): Call it.
2306
2307 2007-09-07  Richard Guenther  <rguenther@suse.de>
2308             Uros Bizjak  <ubizjak@gmail.com>
2309
2310         PR tree-optimization/32821
2311         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2312         NULL in the call to set_bb_stmt_list.
2313
2314 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2315
2316         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2317         float calls here, rather than leaving some to the caller.
2318         Use call_internal_direct and call_value_internal_direct.
2319         * config/mips/mips.md (call_internal_direct): New pattern.
2320         (call_value_internal_direct): Likewise.
2321
2322 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2323
2324         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2325         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2326         to 0 for MIPS16.
2327         (override_options): Set mips_base_move_loop_invariants.
2328
2329 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2330
2331         * config/mips/mips.opt (mcode-readable=): Move to keep list
2332         alphabetical.
2333
2334 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2335
2336         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2337         and -mgpopt options.  Adjust the -G documentation to match.
2338         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2339         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2340         function, split out from mips_classify_symbol.  Return false for
2341         !TARGET_LOCAL_SDATA.
2342         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2343         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2344         (override_options): Check whether the -mgpopt setting is consistent
2345         with the other flags.
2346         (symbolic_expression_p): Delete.
2347         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2348         and default_elf_select_rtx_section.
2349         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2350         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2351         external data and TARGET_EXTERN_SDATA.
2352
2353 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2354
2355         PR fortran/33303
2356         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2357
2358 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2359
2360         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2361         FOR_BB_INSNS_SAFE instead of for loop.
2362         * cse.c (cse_extended_basic_block): Likewise.
2363         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2364         that the for loop does not invoke NEXT_INSN on a deleted insn.
2365         * function.c (instantiate_virtual_regs): Likewise.
2366         * lower-subreg.c (remove_retval_note): Likewise.
2367         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2368         FOR_BB_INSNS.
2369         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2370         a deleted insn.
2371         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2372         insn, if it's a jump.
2373         (try_redirect_by_replacing_jump): New variable jump_p. Call
2374         tablejump_p before delete_insn_chain.
2375         * reload1.c (reload): New variable next. Make sure that the for
2376         loop does not invoke NEXT_INSN on a deleted insn.
2377         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2378         (delete_output_reload): New variable prev. Make sure the the for
2379         loops do not invoke PREV_INSN on a deleted insn.
2380
2381 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2382
2383         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2384         * cgraph.h (rebuild_cgraph_edges): Declare.
2385         * tree-pass.h (pass_expand_omp_ssa): New.
2386         * omp-low.c (find_omp_clause): Export.
2387         (copy_var_decl): Split from omp_copy_decl_2.
2388         (build_omp_barrier): Return the call to emit instead of emitting
2389         it directly.
2390         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2391         build_omp_barrier.
2392         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2393         expand_omp_for_generic, expand_omp_for_static_nochunk,
2394         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2395         Adapted to work on SSA form.
2396         (execute_expand_omp): Do not invalidate dominance information.
2397         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2398         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2399         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2400         a gimple_reg.
2401         (force_gimple_operand): Allow gimplifying code expressions without
2402         value.
2403         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2404         * common.opt (fopenmp-ssa): New.
2405         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2406         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2407         * tree-cfg.c: Include tree-inline.h.
2408         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2409         (replace_by_duplicate_decl, replace_ssa_name,
2410         mark_virtual_ops_in_region): New functions.
2411         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2412         to work on SSA form.
2413         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2414         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2415         constructs.
2416
2417 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2418
2419         * tree-loop-linear.c: Include obstack.h.
2420         (linear_transform_loops): New obstack lambda_obstack.
2421         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2422         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2423         and free afterwards.
2424         * lambda.h (struct obstack): New forward declaration.
2425         (lambda_linear_expression_new): New parameter of type struct
2426         obstack *.
2427         (lambda_loopnest_new): Likewise.
2428         (lambda_loopnest_transform): Likewise.
2429         (lambda_body_vector_new): Likewise.
2430         (lambda_body_vector_compute_new): Likewise.
2431         (gcc_loopnest_to_lambda_loopnest): Likewise.
2432         (lambda_loopnest_to_gcc_loopnest): Likewise.
2433         * lambda-code.c: Include obstack.h.
2434         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2435         allocation of ret.
2436         (lambda_body_vector_new): Likewise.
2437         (lambda_linear_expression_new): Likewise.
2438         (lambda_lattice_new): Likewise.
2439         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2440         allocate LN_LOOPS(ret).
2441         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2442         it to lambda_lattice_new.
2443         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2444         Pass it to lambda_body_vector_new.
2445         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2446         it to lambda_lattice_new.
2447         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2448         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2449         (lambda_compute_target_space): Likewise.
2450         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2451         Pass it to lambda_lattice_compute_base and
2452         compute_nest_using_fourieer_motzkin.
2453         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2454         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2455         and lambda_lattice_compute_target_space.
2456         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2457         Pass it to lambda_linear_expression_new.
2458         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2459         to gcc_tree_to_linear_expression.
2460         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2461         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2462         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2463         Pass it to lambda_body_vector_new and
2464         lambda_body_vector_compute_new.
2465         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2466         (lambda-code.o): Likewise.
2467
2468 2007-09-06  Chao-ying Fu  <fu@mips.com>
2469
2470         * ginclude/stdfix.h: New file.
2471         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2472         (convert.o): Add dependence on fixed-value.h.
2473         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2474         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2475         to define fixed-point constants.
2476         (c_cpp_builtins): Define fixed-point constants.
2477         * convert.c (fixed-value.h): New include.
2478         (convert_to_real): Update comment to include fixed-point.
2479         Support FIXED_POINT_TYPE.
2480         (convert_to_integer): Update comment to include fixed-point.
2481         Support FIXED_POINT_TYPE.
2482         (convert_to_complex): Support FIXED_POINT_TYPE.
2483         (convert_to_fixed): New function.
2484         * convert.h (convert_to_fixed): Declare.
2485         * genopinit.c: Add comment about $Q for only fixed-point modes.
2486         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2487         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2488         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2489         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2490         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2491         usneg_optab for fixed-point modes.
2492         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2493         modes.
2494         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2495         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2496         unsigned saturation optabs, when type is saturating.
2497         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2498         (expand_fixed_convert): New function.
2499         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2500         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2501         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2502         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2503         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2504         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2505         functions.
2506         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2507         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2508         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2509         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2510         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2511         satfractuns_optab.
2512         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2513         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2514         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2515         fractuns, satfractuns.
2516         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2517         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2518         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2519         OTI_ssmsub_widen,  OTI_usmsub_widen.
2520         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2521         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2522         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2523         umsub_widen_optab, usmsub_widen_optab): Define.
2524         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2525         COI_satfractuns.
2526         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2527         Define.
2528         (expand_fixed_convert): Declare.
2529         * expr.c (convert_move): Support the move of fixed-point modes.
2530         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2531         (categorize_ctor_elements_1): Handle FIXED_CST.
2532         (count_type_elements): Handle FIXED_POINT_TYPE.
2533         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2534         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2535         Support FIXED_CST.
2536         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2537         multiply and add/subtract for fixed-point types.
2538         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2539         mode, we jump to binop directly.
2540         Support FIXED_CONVERT_EXPR.
2541         (do_store_flag): Check FIXED_CST to put a constant second.
2542         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2543         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2544         (const_vector_from_tree): Support FIXED_CST.
2545         * doc/extend.texi (Fixed-Point): New node.
2546         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2547         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2548         satfract, fractuns, satfractuns): Document them.
2549
2550 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2551
2552         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2553         addresses into I registers.
2554
2555 2007-09-06  Jan Hubicka  <jh@suse.cz>
2556             Andreas Tobler  <a.tobler@schweiz.org>
2557
2558         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2559         sharing.
2560         (machopic_legitimize_pic_address): Likewise.
2561
2562 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2563             Jan Hubicka  <jh@suse.cz>
2564
2565         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2566         instead of ufloat_optab->handlers directly.
2567         (floatdidf2): Likewise.
2568
2569 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2570
2571         * config/mips/mips.c:  Include diagnostic.h.
2572         (mips_set_current_function): Check errorcount and sorrycount 
2573         before generating RTL.
2574
2575 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2576
2577         PR target/33256
2578         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2579         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2580         (print_operand_reloc): Likewise.
2581
2582 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2583
2584         Revert:
2585
2586         2007-09-06  Jan Hubicka  <jh@suse.cz>
2587  
2588         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2589         real_2expN.
2590
2591         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2592
2593         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2594         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2595
2596         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2597
2598         * optabs.c (expand_float): Convert unsigned integer as signed only
2599         if it provides sufficient accuracy; add mode argument to real_2expN.
2600         (expand_fix): Fix comment typos; extend binary float into mode
2601         wider than destination for converion to unsigned integer; add mode
2602         argument to real_2expN.
2603         * real.c (real_2expN): Add mode argument to special-case decimal
2604         float values.
2605         * real.h (real_2expN): Ditto.
2606         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2607         real_2expN.
2608         (fixed_from_string): Ditto.
2609         (fixed_to_decimal): Ditto.
2610         (fixed_convert_from_real): Ditto.
2611         (real_convert_from_fixed): Ditto.
2612         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2613         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2614         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2615         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2616
2617 2007-09-06  Tom Tromey  <tromey@redhat.com>
2618
2619         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2620         * c-pch.c (c_common_read_pch): Restore current location after
2621         reading PCH file.
2622         * tree.c (expand_location): Update.
2623         (expr_filename): Changed return type.  Unified the two cases.
2624         (expr_lineno): Likewise.
2625         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2626         as lvalues.
2627         * toplev.c (line_table): Changed type.
2628         (general_init): Update.
2629         (realloc_for_line_map): New function.
2630         (general_init): Allocate line_table using GC.
2631         * fix-header.c (line_table): Changed type.
2632         (read_scan_file): Update.
2633         (read_scan_file): Update.
2634         * c-ppoutput.c (maybe_print_line): Update.
2635         (print_line): Update.
2636         (cb_line_change): Update.
2637         (cb_define): Update.
2638         (pp_file_change): Update.
2639         * c-opts.c (c_common_init_options): Update.
2640         (finish_options): Update.
2641         (push_command_line_include): Update.
2642         * c-lex.c (cb_line_change): Update.
2643         (cb_def_pragma): Update.
2644         (cb_define): Update.
2645         (cb_undef): Update.
2646         (c_lex_with_flags): Use cpp_get_token_with_location.
2647         * input.h (line_table): Changed type.
2648         (location_from_locus): New macro.
2649         * tree.h (EXPR_FILENAME): No longer an lvalue.
2650         (EXPR_LINENO): Likewise.
2651         (expr_locus, set_expr_locus): Declare separately for
2652         USE_MAPPED_LOCATION.
2653         (expr_filename, expr_lineno): Changed return type.
2654         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2655         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2656         (expand_gimple_basic_block): Likewise.
2657         * final.c (final_scan_insn): Use expanded_location.
2658
2659 2007-09-06  Richard Guenther  <rguenther@suse.de>
2660
2661         PR tree-optimization/32586
2662         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2663         folding if nothing changed.
2664         (simplify_unary_expression): New function.  Do tree combining
2665         on conversion like codes.
2666         (try_to_simplify): Call it.
2667         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2668         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2669
2670 2007-09-06  Jan Hubicka  <jh@suse.cz>
2671
2672         PR target/33318
2673         * cse.c (fold_rtx): Avoid invalid sharing.
2674
2675 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2676
2677         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2678         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2679
2680 2007-09-06  Revital Eres  <eres@il.ibm.com>
2681
2682         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2683         Fix offsettable memory reference for 750CL.
2684
2685 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2686
2687         * reload.c (find_reloads_address_1): Try to preserve original
2688         base/index regclass of operands.
2689         * regrename.c (scan_rtx_address): Likewise.
2690         (replace_oldest_value_addr): Likewise.
2691
2692 2007-09-06  Richard Guenther  <rguenther@suse.de>
2693
2694         PR tree-optimization/33302
2695         * domwalk.c (walk_dominator_tree): The exit block is
2696         interesting even if it is not reachable.
2697
2698 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2699
2700         PR middle-end/33306
2701         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
2702
2703 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
2704
2705         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for 
2706         robustness.
2707
2708 2007-09-05  Ian Lance Taylor  <iant@google.com>
2709
2710         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
2711         when printing.
2712         (dump_generic_node): Likewise.
2713         * print-rtl.c (print_decl_name): Likewise.
2714         * print-tree.c (print_node_brief): Likewise.
2715         (print_node): Likewise.
2716         * Makefile.in (RTL_BASE_H): Add alias.h.
2717         (TREE_H): Likewise.
2718
2719 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
2720
2721         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
2722         Defined.
2723         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
2724         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
2725
2726 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
2727
2728         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
2729         (tm_defines): Define UCLIBC_DEFAULT to 1.
2730         (extra_options): Add linux.opt.
2731         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2732         (CRT_CALL_STATIC_FUNCTION): Likewise.
2733         (NO_IMPLICIT_EXTERN_C): Likewise.
2734         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2735         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
2736         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2737         (ENDFILE_SPEC): Don't define.
2738         (LIB_SPEC): Likewise.
2739         (CRT_CALL_STATIC_FUNCTION): Likewise.
2740         (NO_IMPLICIT_EXTERN_C): Likewise.
2741         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
2742         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2743
2744 2007-09-06  Jan Hubicka  <jh@suse.cz>
2745
2746         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2747         real_2expN.
2748
2749 2007-09-06  Jan Hubicka  <jh@suse.cz>
2750
2751         * opts.c (common_handle_option): Enable inlining functions for
2752         -fprofile-generate.
2753
2754 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
2755
2756         * builtin-attrs.def (ATTR_NONNULL_3): New.
2757         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
2758         ATTR_NOTHROW_NONNULL_##FA.
2759         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
2760         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
2761         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
2762         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
2763         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
2764         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
2765         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
2766         New.
2767         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
2768         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
2769         ATTR_FORMAT_NOTHROW_3_4): Remove.
2770         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
2771         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
2772         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
2773         instead of ATTR_FORMAT_*_*.
2774
2775 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
2776
2777         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
2778         parts re-used for REG_FRAME_RELATED_EXPR.
2779
2780 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2781
2782         * optabs.c (expand_float): Convert unsigned integer as signed only
2783         if it provides sufficient accuracy; add mode argument to real_2expN.
2784         (expand_fix): Fix comment typos; extend binary float into mode
2785         wider than destination for converion to unsigned integer; add mode
2786         argument to real_2expN.
2787         * real.c (real_2expN): Add mode argument to special-case decimal
2788         float values.
2789         * real.h (real_2expN): Ditto.
2790         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2791         real_2expN.
2792         (fixed_from_string): Ditto.
2793         (fixed_to_decimal): Ditto.
2794         (fixed_convert_from_real): Ditto.
2795         (real_convert_from_fixed): Ditto.
2796         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2797         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2798         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2799         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2800
2801 2007-09-05  Ian Lance Taylor  <iant@google.com>
2802
2803         * init-regs.c (initialize_uninitialized_regs): Call
2804         emit_insn_before rather than add_insn_before.
2805
2806 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
2807
2808         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
2809         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
2810         * tree-inline.h (copy_body_data): Add call_expr field.
2811         * tree-inline.c (expand_call_inline): Initialize call_expr.
2812         (copy_bb): Append anonymous inline fn arguments to arguments
2813         when inlining a CALL_EXPR_VA_ARG_PACK call.
2814         * builtins.c (expand_builtin): Issue an error if
2815         BUILT_IN_VA_ARG_PACK is seen during expand.
2816         (fold_call_expr, fold_builtin_call_array): Don't fold
2817         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
2818         __builtin_va_arg_pack () call as last argument.
2819         * gimplify.c (gimplify_call_expr): If last argument to a vararg
2820         function is __builtin_va_arg_pack (), decrease number of call
2821         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
2822         * expr.c (expand_expr_real_1): Issue an error if
2823         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
2824         * tree-pretty-print.c (dump_generic_node): Handle printing
2825         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
2826         * doc/extend.texi (__builtin_va_arg_pack): Document.
2827
2828 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
2829
2830         PR tree-optimization/21513
2831         * builtins.c (build_builtin_expect_predicate): New function.
2832         (fold_builtin_expect): Add argument for expected value.
2833         Distribute __builtin_expect over short-circuiting operations.
2834         Fold nested builtin_expects.
2835         (fold_builtin_2): Adjust call to fold_builtin_expect.
2836
2837 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2838
2839         PR web/32965
2840         PR tree-optimization/13756
2841         * doc/invoke.texi (Options That Control Optimization): Document
2842         -ftree-dse.
2843
2844 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
2845
2846         * gcc/config/i386/cpuid.h: New file.
2847         * gcc/config/i386/driver-i386.c: Include cpuid.h.
2848         (describe_cache): Shrink size and line strings to 100 bytes.
2849         (detect_caches_amd): Return "" for unsupported max_ext_level.
2850         Use __cpuid function.
2851         (detect_caches_intel): Return "" for unsupported max_level.
2852         Use __cpuid function.
2853         (host_detect_local_cpu): Change feature flag variables to
2854         unsigned int.  Initialize only extended feature flag variables.
2855         Use __get_cpuid_max to determine max supported cpuid level.
2856         Use __cpuid function to determine supported features.  Fix
2857         calculation of family id.  Remove is_amd and check signature
2858         directly.  Check for Geode signature.  Handle family 4 id.
2859         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
2860         cpu discovery code to lower part of the function.
2861         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
2862         for sub-architecture.
2863         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
2864         [PROCESSOR_K8]: Add k8-sse3 architecture.
2865         [PROCESSOR_NOCONA]: Remove.
2866         [PROCESSOR_GENERIC64]: Ditto.
2867         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
2868         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
2869         to check for SSE and FXSAVE support.
2870         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
2871         Add -minline-all-stringops.
2872         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
2873         (x86_64-*-*): Ditto.
2874
2875 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
2876
2877         * config/bfin/linux-unwind.h: New file.
2878         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
2879         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
2880
2881 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2882
2883         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
2884         * stmt.c: Include alloc-pool.h.
2885         (struct case_node): Remove GTY marker.
2886         (add_case_node): New parameter case_node_pool.  Use it for
2887         allocation of r.
2888         (expand_case): New allocation pool case_node_pool.  Initialize it,
2889         pass to add_case_node and free it.
2890
2891 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2892             David Ung  <davidu@mips.com>
2893             Nigel Stephens <nigel@mips.com>
2894
2895         Add mips16/nomips16 function attributes and -mflip-mips16 option
2896         for testing mixed-mode compilation.
2897
2898         * config/mips/mips.opt (mflip-mips16): New.
2899
2900         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
2901         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
2902
2903         * config/mips/mips.c (mips_base_target_flags): New.
2904         (mips_base_mips16): New.
2905         (mips_base_schedule_insns): New.
2906         (mips_base_reorder_blocks_and_partition): New.
2907         (mips_base_align_loops): New.
2908         (mips_base_align_jumps): New.
2909         (mips_base_align_functions): New.
2910         (mips16_flipper): New.
2911         (mips_attribute_table): Add "mips16" and "nomips16" entries.
2912         (TARGET_SET_CURRENT_FUNCTION): Define.
2913         (mips_mips16_type_p, mips_nomips16_type_p): New.
2914         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
2915         (mips_function_ok_for_sibcall): Make it deal with functions with
2916         mips16 attributes.
2917         (mips_init_split_addresses): New, split out from override_options.
2918         (mips_init_relocs): New, split out from override_options.
2919         (was_mips16_p): New.
2920         (mips_set_mips16_mode): New, split out from override_options.
2921         (mips_set_current_function): New.
2922         (override_options): Add sorry for unsupported mips16/pic
2923         combination.  Remove error for mips16/dsp combination.  Save
2924         base option settings.  
2925         (mips_file_start): Move mips16 mode setting output from here....
2926         (mips_output_function_prologue): ....to here.
2927         (mips_output_mi_thunk): Check for mips16 function.
2928         (build_mips16_function_stub): Don't set .mips16 here.
2929         (build_mips16_call_stub): Likewise.
2930         (mips_expand_builtin): Error in mips16 mode.
2931         (mips_use_mips16_mode_p): New.
2932         (mips_encode_section_info): Check for mips16 function, and set
2933         SYMBOL_REF_FLAGS accordingly.
2934
2935         * doc/extend.texi (Function Attributes): Document new
2936         mips16/nomips16 attributes.
2937         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
2938         (MIPS Options): Document -mflip-mips16.
2939
2940 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2941
2942         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
2943         if we encounter TLS address in MIPS16 mode.
2944         (mips_legitimize_const_move): Check cannot_force_const_mem for
2945         the (const (plus symbol offset)) case; this forces invalid TLS
2946         address in MIPS16 mode to be caught by the above call to sorry.
2947         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
2948         because that now enables emutls, which is not ABI compatible
2949         with native TLS in non-MIPS16 mode.
2950
2951 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2952
2953         Add target hook invoked when cfun changes.
2954
2955         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
2956         * target.h (struct gcc_target): Add set_current_function.
2957         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
2958         (TARGET_INITIALIZER): Add initializer for set_current_function.
2959         * tree.h (push_struct_function): New.
2960         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
2961         * function.h: Here.
2962         (set_cfun): Declare.
2963         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
2964         * function.c: Here.
2965         (push_function_context_to): Use allocate_struct_function
2966         to create null context, not init_dummy_function_start.  Use set_cfun.
2967         (pop_function_context_from): Use set_cfun.
2968         (in_dummy_function): New.
2969         (invoke_set_current_function_hook): New.
2970         (set_cfun): New.
2971         (push_cfun, pop_cfun): Use set_cfun.
2972         (push_struct_function): New.
2973         (allocate_struct_function): Call invoke_set_current_function_hook
2974         before returning.
2975         (prepare_function_start): Don't set cfun here.  Remove unused
2976         argument; fix all callers.
2977         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
2978         push_struct_function.
2979         (init_function_start): Set cfun here.
2980         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
2981         * omp-low.c (create_omp_child_function): Use push_struct_function
2982         and pop_cfun to save/restore state.
2983         (expand_omp_parallel): Remove unused saved_cfun variable.
2984         * cgraphunit.c (ipa_passes): Use set_cfun.
2985         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
2986         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
2987         * matrix-reorg.c (transform_allocation_sites): Likewise.
2988         (matrix_reorg): Use set_cfun.
2989         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
2990         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
2991         assignment to cfun; use set_cfun for the other.
2992         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
2993         (dump_function_to_file): Use push_cfun/pop_cfun here.
2994         * c-decl.c (finish_function): Use set_cfun.
2995
2996 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2997
2998         * regrename.c (rerename_optimize): Use deferred rescanning and
2999         insert explicit calls to rescan insns when changed.
3000         
3001 2007-09-05  Jan Hubicka  <jh@suse.cz>
3002
3003         * optabs.c (libfunc_entry): Change optab to integer.
3004         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
3005         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
3006         of pointers for hashing.
3007
3008 2007-09-05  Jan Hubicka  <jh@suse.cz>
3009
3010         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
3011         verifier.
3012         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
3013         * see.c (pass_see): Likewise.
3014         * tracer.c (pass_tracer): Likewise.
3015         * postreload-gcse.c (pass_gcse2): Likewise.
3016         * postreload.c (pass_postreload_cse): Likewise.
3017         * mode-switching.c (pass_mode_switching): Likewise.
3018         * modulo-sched.c (pass_sms): Likewise.
3019         * cse.c (cse_insn): Likewise.
3020         * web.c (pass_web): Likweise.
3021         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3022         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3023         * loop-init.c (pass_rtl_loop_init): Likewise.
3024         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3025         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3026         * global.c (pass_global_alloc): Likewise.
3027         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3028         pass_if_after_reload): Likewise.
3029         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3030         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3031         * regmove.c (pass_regmove): Likewise.
3032         * function.c (pass_thread_prologugues_epilogues): Likewise.
3033         * gcse.c (pass_gcse): Likewise.
3034         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3035         * lower-subreg.c (pass_lower_subreg2): Likewise.
3036         * bt-load.c (pass_branch_target_load): Likewise.
3037         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3038         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3039         * combine.c (pass_combine): Likewise.
3040         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3041         (pass_partition_blocks): Likewise.
3042         * var-tracking.c (pass_variable_track): Likewise.
3043         * reg-stack.c (pass_stack_regs_run): Likewise.
3044         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3045         * passes.c (pass_postreload): Likewise.
3046         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3047         * tree-pass.h (TODO_verify_rtl_sharing): New.
3048         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3049         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3050         TODO_set_props, TODO_df_finish, TODO_df_verify,
3051         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3052
3053 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3054
3055         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3056         fold_real_zero_addition_p, reorder_operands_p,
3057         div_if_zero_remainder, fold_undefer_overflow_warnings,
3058         int_binop_types_match_p, fold_convert_const_int_from_int,
3059         fold_convert_const_int_from_real,
3060         fold_convert_const_int_from_fixed,
3061         fold_convert_const_real_from_real,
3062         fold_convert_const_real_from_fixed,
3063         fold_convert_const_fixed_from_fixed,
3064         fold_convert_const_fixed_from_int,
3065         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3066         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3067         debug_fold_checksum, multiple_of_p): Constify.
3068         * tree-flow-inline.h (get_lineno): Likewise.
3069         * tree-flow.h (get_lineno): Likewise.
3070         * tree-object-size.c (compute_object_offset, addr_object_size,
3071         alloc_object_size, pass_through_call): Likewise.
3072         * tree-pretty-print.c (op_symbol, print_call_name,
3073         print_struct_decl, do_niy): Likewise.
3074         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3075         debug_fold_checksum): Likewise.
3076
3077 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3078
3079         PR middle-end/33029
3080         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3081         note, remove the associated REG_RETVAL note.
3082
3083 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3084
3085         * config.gcc (powerpc*-*-*): Install
3086         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3087         * config/rs6000/spu2vmx.h: New header.
3088         * config/rs6000/si2vmx.h: New header.
3089         * config/rs6000/vec_types.h: New header.
3090
3091 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3092
3093         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3094
3095 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3096
3097         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3098         not `m' for *ptrp.
3099         (__stdcx): Make asm volatile.
3100         (__stwcx, __stdcx): Return only 0 or 1.
3101
3102 2007-09-05  Jan Hubicka  <jh@suse.cz>
3103
3104         Revert:
3105
3106         2007-09-04  Jan Hubicka  <jh@suse.cz>
3107         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3108
3109         2007-09-04  Richard Guenther  <rguenther@suse.de>
3110         * tree-ssa-operands.c (add_virtual_operand): Only mark
3111         stores as has_volatile_ops if alias information is not available.
3112
3113 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3114
3115         * config/rs6000/tramp.asm: Include config.h.
3116         Check __PIC__ or __pic__ macro instead of SHARED.
3117
3118         PR rtl-optimization/32300
3119         * see.c (see_copy_insn): New function.
3120         (see_def_extension_not_merged, see_merge_one_use_extension,
3121         see_merge_one_def_extension): Use it.  Avoid changing
3122         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3123         into sequences.  Call df_insn_delete on temporary insns
3124         that won't be emitted into the insn stream.
3125         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3126         and run df_process_deferred_rescans () before run_fast_dce.
3127
3128         PR tree-optimization/33017
3129         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3130         recurse for pure or const function calls.
3131
3132 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3133
3134         * c-format.c: Include alloc-pool.h.
3135         (check_format_info_main): New argument fwt_alloc.  Use allocation
3136         pool instead of GC.  Remove GC deallocation code.
3137         (check_format_arg): Create allocation pool, pass it to
3138         check_format_info_main and free it afterwards.
3139         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3140
3141 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3142
3143         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3144         Rename count macro arugment for clarity.
3145         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3146         (__protected_stream_set): Likewise, pass 0.
3147
3148 2007-09-04  Jan Hubicka  <jh@suse.cz>
3149
3150         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3151
3152 2007-09-04  Jan Hubicka  <jh@suse.cz>
3153
3154         * invoke.texi (-finline-small-functions): Document.
3155         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3156         when deciding what is inlinable.
3157         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3158         (cgraph_decide_inlining_of_small_function): Handle new flags.
3159         (cgraph_decide_inlining_incrementally): Likewise.
3160         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3161         * common.opt (finline-small-functions): New.
3162         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3163
3164 2007-09-04  Richard Guenther  <rguenther@suse.de>
3165
3166         * tree-ssa-operands.c (add_virtual_operand): Only mark
3167         stores as has_volatile_ops if alias information is not available.
3168
3169 2007-09-04  Andrew Haley  <aph@redhat.com>
3170
3171         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3172
3173 2007-09-04  Andrew Haley  <aph@redhat.com>
3174
3175         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3176         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3177         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3178
3179 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3180
3181         PR c++/14178
3182         * common.opt: Mention ABI version 2 in comment.
3183
3184 2007-09-04  Jan Hubicka  <jh@suse.cz>
3185
3186         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3187         (libfunc_entry): New structure.
3188         (libfunc_hash): New hashtable.
3189         (hash_libfunc): New function.
3190         (eq_libfunc): New function.
3191         (convert_optab_libfunc): New function.
3192         (optab_libfunc): New function.
3193         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3194         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3195         expand_float, expand_fix, new_optab, new_convert_optab):
3196          Update for new libfunc API.
3197         (init_libfunc, init_integral_libfuncs,
3198         init_floating_libfuncs, init_interclass_conv_libfuncs
3199         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3200         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3201         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3202         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3203         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3204         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3205         gen_extend_conv_libfunc): New.
3206         (init_one_libfunc): Revamp for hashtables.
3207         (set_conv_libfunc): Likewise.
3208         (init_optabs): Initialize hashtable; use lazy initialization where
3209         possible.
3210         * optabs.h (optab_handlers): Move out of GGC.
3211         (optab, convert_optab): Move out of GGC; add lazy gen info.
3212         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3213         (optab_libfunc, convert_optab_libfunc): New.
3214         * builtins.c (expand_builtin_powi): Update for new API.
3215         * expr.c (convert_move): Likewise.
3216         * expmed.c (expand_divmod): Likewise.
3217
3218 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3219
3220         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3221         GOT pointer only if there is a constant pool.  Use the allocated space
3222         for SPE also.
3223
3224 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3225
3226         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3227         typo for AltiVec.
3228
3229 2007-09-04  Revital Eres  <eres@il.ibm.com>
3230             Richard Guenther  <rguenther@suse.de>
3231             R. Clint Whaley  <whaley@cs.utsa.edu>
3232
3233         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3234         Document new flags.
3235         * tree-tailcall.c (process_assignment): Use -fassociative-math
3236         when reodering operands of floating-point type.
3237         * fold-const.c (fold_comparison, fold_binary): Use
3238         -fassociative-math and -freciprocal-math instead of
3239         -funsafe-math-optimization flag.
3240         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3241         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3242         -freciprocal-math instead of -funsafe-math-optimizations.
3243         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3244         -fassociative-math when -ffast-math is set.
3245         (set_unsafe_math_optimizations_flags): New Function
3246         to set -freciprocal-math and -fassociative-math when
3247         -funsafe-math-optimizations is set.
3248         (common_handle_option): Call it.
3249         * tree-vectorizer.c (vect_is_simple_reduction): Use
3250         -fassociative-math when doing reduction on floats.
3251         * loop-unroll.c (analyze_insn_to_expand_var): Use
3252         -fassociative-math when expanding an accumulator of type float.
3253         * simplify-rtx.c (simplify_binary_operation_1): Use
3254         -fassociative-math and -freciprocal-math when reordeing operands
3255         of floating-point type.
3256         * combine.c (combine_simplify_rtx): Likewise.
3257         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3258         Likewise.
3259         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3260
3261 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3262
3263         PR c++/18608
3264         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3265
3266 2007-09-04  Jan Hubicka  <jh@suse.cz>
3267
3268         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3269
3270 2007-09-04  Jan Hubicka  <jh@suse.cz>
3271
3272         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3273         and corresponding MATCH_DUP.
3274
3275 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3276
3277         PR middle-end/33187
3278         * combine.c (subst): Do not try to simplify X if it represents load
3279         of FP constant from the constant pool via float extension.
3280
3281 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3282
3283         * c-opts.c: Include "tm_p.h".
3284         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3285
3286 2007-09-04  Richard Guenther  <rguenther@suse.de>
3287
3288         PR tree-optimization/33291
3289         * tree-pretty-print.c (dump_generic_node): Dump all
3290         qualifiers for pointer types, not only first.  Dump
3291         qualifiers for aggregate types as well.
3292         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3293         use the canonical type for building ARRAY_REFs.
3294         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3295         correct validness check is compatibility of the pointer
3296         types.  Always use the canonical type for building
3297         ARRAY_REFs and ADDR_EXPRs.
3298         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3299         change that disabled propagation of ADDR_EXPRs into statements
3300         with volatile ops.
3301
3302 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3303
3304         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3305         (umulsi3_highpart): Make into expanders; existing insns are
3306         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3307         counterparts' names.
3308
3309 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3310
3311         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3312         (unprotoize.o): Remove SHLIB_MULTILIB.
3313
3314 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3315
3316         * doc/extend.texi: Document progmem attribute for AVR.
3317
3318 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3319
3320         PR target/28902
3321         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3322
3323 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3324
3325         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3326         to avoid warnings.
3327
3328         * optabs.c: Remove unnecessary forward declarations.
3329         (expand_unop_direct): New, broken out of expand_unop.
3330         (expand_doubleword_clz): New.
3331         (expand_ctz): Move above expand_ffs.  Use
3332         start_sequence, end_sequence, add_equal_note, and
3333         expand_unop_direct.  Add more commentary.
3334         (expand_ffs): Try both ctz optab and expand_ctz.
3335         Generate a test and branch if the hardware doesn't give us
3336         a useful value for input zero.  Style improvements similar to
3337         expand_ctz.
3338
3339         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3340
3341 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3342
3343         * config.gcc: Delete stanza for arm-semi-aof and
3344         armel-semi-aof targets.
3345         * config/arm/arm-protos.h
3346         * config/arm/arm.c
3347         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3348         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3349         delete aof_pic_label and remove mention of AOF in comments.
3350         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3351         * config/arm/aof.h
3352         * config/arm/semiaof.h
3353         * config/arm/t-semi: Delete file.
3354
3355 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3356
3357         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3358         CONST_CAST_BB): New macros for type-specific casts.
3359         (CONST_CAST): Add a TYPE parameter and define it in terms of
3360         CONST_CAST2.
3361
3362         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3363         * c-lex.c (cb_ident, lex_string): Likewise,
3364         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3365         * config/i386/i386.c (ix86_function_regparm,
3366         ix86_function_sseregparm): Use CONST_CAST_TREE.
3367         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3368         CONST_CAST.
3369         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3370         give_switch, set_multilib_dir): Likewise,
3371         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3372         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3373         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3374         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3375         * prefix.c (update_path): Likewise,
3376         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3377         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3378         * tree-cfg.c (tree_can_merge_blocks_p,
3379         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3380         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3381         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3382         (attribute_list_contained): Use CONST_CAST_TREE.
3383
3384 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3385
3386         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3387
3388 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3389
3390         PR middle-end/33290
3391         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3392         before forcing them into a register.
3393
3394 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3395
3396         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3397         rather than define_code_macro.
3398
3399 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3400
3401         * gcc.c (xputenv): New function.
3402         (putenv_from_prefixes): Use xputenv instead of putenv.
3403         (process_command): Use xputenv instead of putenv.
3404         (set_collect_gcc_options): Use xputenv instead of putenv.
3405         (main): Use xputenv instead of putenv.
3406
3407 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3408
3409         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3410         availability of swap instruction.
3411         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3412
3413 2007-09-03  Revital Eres  <eres@il.ibm.com>
3414
3415         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3416         Documentation.
3417
3418 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3419             Ayal Zaks  <zaks@il.ibm.com>
3420             Revital Eres  <eres@il.ibm.com>
3421
3422         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3423         compute_split_row): New functions.
3424         (ps_unschedule_node): Remove.
3425         (normalize_sched_times): Iterate over the already scheduled
3426         insns instead of the number of nodes.
3427         (MAX_SPLIT_NUM): New definition.
3428         (sms_schedule_by_order): Change the scheduling heuristic to
3429         avoid useless increases of initiation interval ii.
3430         (get_sched_window): Add dump printouts.
3431
3432 2007-09-02  David Daney  <ddaney@avtrex.com>
3433
3434         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3435         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3436         (optab, insn): Add more attributes.
3437         (fetchop_bit): New code macro.
3438         (immediate_insn): New code macro attribute.
3439         (sync): Change condition to ISA_HAS_SYNC.
3440         (rdhwr): Change predicate for operand 0 to register_operand.
3441         (memory_barrier): New expand.
3442         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3443         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3444         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3445         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3446         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3447         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3448         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3449         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3450         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3451         
3452 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3453             Hans-Peter Nilsson  <hp@axis.com>
3454
3455         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3456         Defined to describe availability and behavior of CLZ.
3457         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3458         * config/cris/cris.opt: Tweak comment for "-metrax4".
3459         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3460         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3461         (count_leading_zeros): Define.
3462
3463 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3464
3465         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3466
3467 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3468
3469         PR middle-end/33272
3470         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3471         decayed from array.
3472
3473 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3474
3475         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3476         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3477         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3478         sched-deps.c, sched-int.h, system.h, target.h,
3479         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3480         tree.def: Fix comment typos.
3481
3482 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3483
3484         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3485         (override_options): Turn on -mstrict-align on non-ColdFire
3486         targets.
3487         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3488
3489 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3490
3491         * c-common.c (const_strip_array_types): Delete.
3492         * c-common.h (const_strip_array_types): Likewise.
3493         * emit-rtl.c (const_next_insn, const_previous_insn,
3494         const_next_nonnote_insn, const_prev_nonnote_insn,
3495         const_next_real_insn, const_prev_real_insn,
3496         const_next_active_insn, const_prev_active_insn, const_next_label,
3497         const_prev_label): Delete.
3498         * gimple-low.c (block_may_fallthru): Use expr_last.
3499         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3500         * rtl.h (const_previous_insn, const_next_insn,
3501         const_prev_nonnote_insn, const_next_nonnote_insn,
3502         const_prev_real_insn, const_next_real_insn,
3503         const_prev_active_insn, const_next_active_insn, const_prev_label,
3504         const_next_label): Delete.
3505         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3506         * system.h (CONST_CAST): Update comment.
3507         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3508         (const_first_stmt, const_last_stmt): Delete.
3509         (tree_block_ends_with_condjump_p): Use last_stmt.
3510         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3511         * tree-iterator.c (const_expr_first, const_expr_last,
3512         const_expr_only): Delete.
3513         * tree.c (const_lookup_attribute): Likewise.
3514         (attribute_list_contained): Use lookup_attribute.
3515         * tree.h (const_lookup_attribute, const_expr_first,
3516         const_expr_last, const_expr_only): Delete.
3517
3518 2007-09-01  Richard Guenther  <rguenther@suse.de>
3519
3520         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3521         instead of TREE_THIS_VOLATILE.
3522         * tree-ssa-operands.c (add_virtual_operand): Do not set
3523         has_volatile_ops.  Do not check s_ann for NULL.
3524         (get_indirect_ref_operands): Likewise.
3525         (get_expr_operands): Likewise.  For all reference trees
3526         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3527         check base of reference for TREE_THIS_VOLATILE.
3528
3529 2007-09-01  Richard Guenther  <rguenther@suse.de>
3530
3531         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3532         between integral types.  Also allow conversions between
3533         pointer types.
3534
3535 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3536
3537         * optabs.c (prepare_float_lib_cmp): Use
3538         libgcc_cmp_return_mode instead of word_mode.
3539         * config/dfp-bit.h: Likewise.
3540         * config/fp-bit.h: Likewise.
3541         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3542         New function.
3543         (spu_libgcc_shift_count_mode): New function.
3544         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3545         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3546
3547 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3548
3549         * tree-pretty-print.c: Include output.h.
3550         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3551         HOST_WIDE_INT_PRINT_DEC.
3552         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3553
3554 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3555
3556         PR rtl-optimization/33224
3557         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3558         to the analysed region.
3559
3560 2007-08-31  Richard Guenther  <rguenther@suse.de>
3561
3562         * function.c (allocate_struct_function): Do not set
3563         current_function_returns_pointer.
3564         * function.h (struct var_refs_queue): Remove.
3565         (struct simple_obstack_stack): Likewise.
3566         (struct function): Remove fixup_var_refs_queue member.
3567         Remove returns_pointer flag.
3568         (current_function_returns_pointer): Remove define.
3569
3570 2007-08-31  Nick Clifton  <nickc@redhat.com>
3571
3572         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3573         secondary keys in order to obtain a stable sort.
3574
3575 2007-08-31  Nick Clifton  <nickc@redhat.com>
3576
3577         PR target/33132
3578         * config/m32r/constraints.md: Add W constraint for integer zero.
3579         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3580         Fix length calculation by using alternatives.
3581
3582 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3583
3584         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3585         split out from expand_binop.
3586         (avoid_expensive_constant): New function.
3587         (expand_binop_directly): Remove commutative_op argument and
3588         (expand_binop_directly): Remove commutative_op argument and
3589         call cummutative_optab_p instead.  Do not change op0 or op1
3590         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3591         to each argument after potential swapping.  Enforce the
3592         canonical order of commutative operands.
3593         (expand_binop): Use shift_optab_p and commutative_optab_p.
3594         Update the calls to expand_binop_directly.  Only force constants
3595         into registers when widening an operation.  Only swap operands
3596         once a direct expansion has been rejected.
3597         (expand_twoval_binop): Only force constants into registers when
3598         using a direct expansion.
3599
3600 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3601
3602         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3603         (sched_analyze_insn): Don't postprocess speculative dependencies when
3604         target has no scheduling.
3605         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3606         'uninitialized' warning.
3607
3608 2007-08-31  Richard Guenther  <rguenther@suse.de>
3609
3610         * tree.c (build_complex_type): Always set TYPE_NAME for
3611         comples types.
3612
3613 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3614
3615         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3616         internal macro. Default alignment factor for csect directives, chosen
3617         to match what BIGGEST_ALIGNMENT allows.
3618         (DATA_SECTION_ASM_OP): Use it.
3619         * config/rs6000/rs6000.c
3620         (rs6000_xcoff_output_readonly_section_asm_op):
3621         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3622         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3623         
3624 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3625
3626         * dbxout.c (dbxout_block): Move declaration within the first
3627         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3628         block to include the definition, together with the associated
3629         helpers.
3630
3631 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3632             Revital Eres  <eres@il.ibm.com>
3633
3634         * doc/invoke.texi (-mpaired): Document flag.
3635         * config.gcc: Include paired.h in powerpc extra_headers and
3636         750cl.h in powerpc-*-linux*paired*.
3637         * config/rs6000/rs6000.opt (-mpaired): New flag.
3638         * config/rs6000/rs6000.c (paired_init_builtins,
3639         paired_expand_builtin, paired_expand_lv_builtin,
3640         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3641         New functions to support the paired single builtin functions.
3642         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3643         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3644         single builtins.
3645         (bdesc_paired_preds): New structure for paired predicate
3646         instructions.
3647         (rs6000_expand_builtin): Expand paired single builtins.
3648         (rs6000_init_builtins): Init paired single builtins.
3649         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3650         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3651         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3652         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3653         (rs6000_vector_mode_supported_p): Support paired vector mode.
3654         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3655         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3656         New.
3657         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3658         (DATA_ALIGNMENT): Likewise.
3659         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3660         (rs6000_builtins): Add PAIRED builtins.
3661         * config/rs6000/rs6000.md: Include paired.md.
3662         * config/rs6000/paired.h: New.
3663         * config/rs6000/paired.md: New.
3664         * config/rs6000/750cl.h: New.
3665         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3666
3667 2007-08-30  Ollie Wild  <aaw@google.com>
3668
3669         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3670         * gcc.c (default_compilers): Add -fno-directives-only to
3671         @assembler-with-cpp.
3672
3673 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3674
3675         PR middle-end/33211
3676
3677         * regclass.c (initial_fixed_regs): Revert previous change and make
3678         it const again.
3679         (initial_call_used_regs): Likewise.
3680         (initial_call_really_used_regs): Delete, reverting previous addition.
3681         (initial_reg_names): Likewise.
3682         (init_reg_sets): Revert previous change.
3683         (saved_fixed_regs): New.
3684         (saved_call_used_regs): New.
3685         (saved_call_really_used_regs): New.
3686         (saved_reg_names): New.
3687         (save_register_info): New.
3688         (restore_register_info): New.
3689         (init_reg_sets_1): Replace reset of register info with call to
3690         restore_register_info.
3691         * rtl.h (save_register_info): Declare.
3692         * toplev.c (backend_init): Call save_register_info.
3693
3694 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3695
3696         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
3697         from the original statement.
3698
3699 2007-08-30  Chao-ying Fu  <fu@mips.com>
3700
3701         * c-lex.c (interpret_fixed): Declare.
3702         (interpret_float): Process _Fract and _Accum.
3703         (interpret_fixed): New function.
3704         * final.c (output_addr_const): Process CONST_FIXED.
3705         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
3706         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
3707         SS_DIV, US_DIV.
3708         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
3709         US_DIV, US_ASHIFT.
3710         (simplify_immed_subreg): Support CONST_FIXED.
3711         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
3712         (simplify_subreg): Support CONST_FIXED.
3713
3714 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3715
3716         * config/rs6000/ppu_intrinsics.h: New file.
3717         * config.gcc (powerpc*-*-* <extra_headers>): Install
3718         ppu_intrinsics.h.
3719
3720 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3721
3722         * cfg.c (dump_flow_info): Change to also print entry and exit
3723         block info.
3724         * print-rtl.c (print_rtl_single): Allow to print rtl with
3725         -fdump-unnumbered.
3726         
3727 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3728
3729         * df-core.h (df_dump_region): New function.
3730         * df.h (df_dump_region): New function.
3731         * loop-invariant.c (find_defs): Add call to df_dump_region.
3732         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
3733         df_dump_region.
3734         
3735 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3736
3737         PR target/33168
3738         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
3739         true if any of the compare_section_name calls returned true,
3740         rather than if any returned false.
3741
3742 2007-08-30  Richard Guenther  <rguenther@suse.de>
3743
3744         PR tree-optimization/33199
3745         * tree-ssa-structalias.c (handle_lhs_call): New function.
3746         (find_func_aliases): In non-IPA mode make sure that for
3747         calls that return a pointer we add a constraint for the
3748         result to point to anything.
3749
3750 2007-08-30  Richard Guenther  <rguenther@suse.de>
3751
3752         * doc/invoke.texi (-mveclibabi): Document new target option.
3753         * config/i386/i386.opt (-mveclibabi): New target option.
3754         * config/i386/i386.c (ix86_veclib_handler): Handler for
3755         vectorization library support.
3756         (override_options): Handle the -mveclibabi option, initialize
3757         the vectorization library handler.
3758         (ix86_builtin_vectorized_function): As fallback call the
3759         vectorization library handler, if set.
3760         (ix86_veclibabi_acml): New static function for ACML ABI style
3761         vectorization support.
3762
3763 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3764
3765         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
3766         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
3767         SImode and update m.  Don't run gen_lowpart_common on arbitrary
3768         memory address, force it to register first.
3769
3770         PR middle-end/32758
3771         * dce.c (dce_process_block): Don't delete setters of
3772         artificially used registers.
3773
3774 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3775
3776         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
3777         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
3778         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
3779
3780 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3781
3782         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
3783         pattern.
3784         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
3785         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
3786
3787 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3788
3789         * system.h: Activate -Wcast-qual as warning-only.
3790
3791 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
3792
3793         PR target/33168
3794         * config/rs6000/rs6000.c (compare_section_name): New function.
3795         (rs6000_elf_in_small_data_p): Compare section prefixes instead
3796         of full name.
3797
3798 2007-08-29  Olivier Hainque  <hainque@adacore.com>
3799
3800         * xcoffout.c: #include debug.h.
3801         * Makefile.in (xcoffout.o): Add debug.h dependency.
3802
3803 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
3804
3805         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3806         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
3807
3808 2007-08-29  Richard Guenther  <rguenther@suse.de>
3809
3810         * tree-pretty-print.c (dump_generic_node): Print
3811         label DECL_UID as D.%u.
3812         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
3813
3814 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3815
3816         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
3817         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
3818
3819 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
3820
3821         PR c++/33194
3822         * tree.c (build_type_attribute_qual_variant): Set canonical types
3823         on the final, unqualified attribute variant before building the
3824         qualified version.
3825
3826 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3827
3828         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
3829         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
3830
3831 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3832
3833         Revert
3834         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3835         * config/bfin/bfin.md (composev2hi): Put operands into vector
3836         with correct order.
3837
3838 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3839
3840         * config/bfin/bfin.md (composev2hi): Put operands into vector
3841         with correct order.
3842
3843 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3844
3845         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
3846         attribute when appropriate.
3847         (bfin_handle_l1_text_attribute): New.
3848         (bfin_handle_l1_data_attribute): New.
3849         (bfin_attribute_table): Add attributes: l1_text, l1_data,
3850         l1_data_A and l1_data_B.
3851         * doc/extend.texi (node Function Attributes): Document l1_text
3852         function attribute.
3853         (Variable Attributes): Add Blackfin subsection. Document l1_data,
3854         l1_data_A and l1_data_B variable attributes.
3855
3856 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
3857
3858         * config/bfin/bfin.opt (minline-plt): Add.
3859         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
3860         call to global functions.
3861         * doc/invoke.texi (Option Summary): Mention -minline-plt.
3862         (Blackfin Options): Document -minline-plt.
3863
3864 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3865
3866         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
3867         given a non-function.
3868         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
3869
3870 2007-08-28  DJ Delorie  <dj@redhat.com>
3871
3872         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
3873
3874 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3875
3876         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
3877
3878 2007-08-28  Richard Guenther  <rguenther@suse.de>
3879
3880         * tree.h (struct tree_function_decl): Increase size of
3881         function_code bitfield.
3882
3883 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3884             Kazu Hirata  <kazu@codesourcery.com>
3885
3886         * gcc/config/m68k/linux.h
3887         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
3888         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
3889         (m68k_return_in_memory): New.
3890         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
3891         New.
3892
3893 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
3894
3895         PR target/32661
3896         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3897         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
3898         operand) when top VEC_SELECT extracts scalar element.
3899         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
3900         (*vec_extract_v4sf_mem): Ditto.
3901
3902 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
3903
3904         PR middle-end/32370
3905         * passes.c (init_optimization_passes): Move pass_df_finish
3906         after pass_postreload sublist.
3907
3908         PR rtl-optimization/33148
3909         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
3910         (neg (lt X 0)) if X has scalar int mode.
3911
3912         PR debug/32914
3913         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
3914         initializer, use build_vector_from_ctor if possible to create
3915         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
3916         even after this, return NULL.
3917
3918 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3919
3920         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
3921
3922 2007-08-28  Richard Guenther  <rguenther@suse.de>
3923
3924         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
3925         (struct tree_function_decl): Make function_code a bitfield.
3926         Add disregard_inline_limits flag.
3927         * cgraphunit.c (cgraph_process_new_functions): Check
3928         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
3929         (cgraph_preserve_function_body_p): Likewise.
3930         * ipa-inline.c (compute_inline_parameters): Likewise.
3931         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
3932         for GNU C extern inline functions.
3933         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
3934         * tree-inline.c (disregard_inline_limits_p): Remove.
3935         * tree-inline.h (disregard_inline_limits_p): Likewise.
3936         * c-common.c (handle_always_inline_attribute): Set
3937         DECL_DISREGARD_INLINE_LIMITS.
3938         * langhooks.c (add_builtin_function): Verify the function code
3939         fits in the bitfield.
3940
3941 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
3942             Vladimir Yanovsky  <yanov@il.ibm.com>
3943             Revital Eres  <eres@il.ibm.com>
3944             Andrey Belevantsev  <abel@ispras.ru>
3945
3946         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
3947         is set.
3948         * modulo-sched.c: Add documentation regarding do-loop.
3949         (doloop_register_get): Change number of arguments to support
3950         the new do-loop pattern and check whether COUNT_REG has no other
3951         occurences in the loop besides in the control part.
3952         (duplicate_insns_of_cycles): Do not duplicate the insn which
3953         changes count_reg as it is already adjusted.
3954         (generate_prolog_epilog): New argument to support the new
3955         do-loop pattern.  Change the subtract instruction to use
3956         expand_simple_binop.  Call duplicate_insns_of_cycles with new
3957         argument.
3958         (sms_schedule): Call doloop_register_get and
3959         generate_prolog_epilog with new argument.  Do not handle loops
3960         with single sets insns with subreg in their lhs.
3961         * loop-doloop.c (doloop_optimize): Support for another do-loop
3962         pattern.
3963         (doloop_condition_get): Gets an instruction instead of a pattern
3964         and change the return condition when the do-loop pattern is
3965         not parallel.
3966         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
3967         deps when considering to not create edges.
3968
3969 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
3970
3971         * doc/extend.texi (gnu_inline funtion attribute): Document C++
3972         behavior.
3973
3974 2007-08-27  Jason Merrill  <jason@redhat.com>
3975
3976         PR c++/31337
3977         * gimplify.c (gimplify_modify_expr): Discard the assignment of 
3978         zero-sized types after calling gimplify_modify_expr_rhs.
3979
3980 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3981
3982         * regclass.c (init_reg_autoinc): Fix typo.
3983
3984 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
3985         
3986         Fix PR tree-optimization/33173
3987         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
3988
3989 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
3990
3991         PR target/31385
3992         * config/i386/i386.h (VALID_DFP_MODE_P): New.
3993         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
3994         GPR.
3995
3996 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3997             David Ung  <davidu@mips.com>
3998             Nigel Stephens <nigel@mips.com>
3999
4000         Separate target-specific initialization from general
4001         back-end initialization.
4002
4003         * toplev.c (init_alignments): New, split out from...
4004         (process_options): ...here.
4005         (backend_init_target): New, split out from...
4006         (backend_init): ...here.
4007         (lang_dependent_init_target): New, split out from...
4008         (lang_dependent_init): ...here.
4009         (target_reinit): New.
4010         * toplev.h (target_reinit): Declare.
4011         * expr.c (init_expr_target): Renamed from init_expr_once, since it
4012         now can be called more than once.  Update comments.
4013         * expr.h (init_expr_target): Likewise.
4014         * alias.c (init_alias_target): Renamed from init_alias_once, since it
4015         now can be called more than once.  Explicitly zero
4016         static_reg_base_value.
4017         * emit-rtl.c (init_emit_regs): New, split out from...
4018         (init_emit_once): Here.
4019         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4020         non-const, so that changes from command-line arguments can overwrite
4021         values provided by the static initializers.
4022         (initial_call_really_used_regs): New, used similarly to the above.
4023         (initial_reg_names): Likewise.
4024         (last_mode_for_init_move_cost): Promoted function-local static to
4025         file-scope static to make it accessible outside init_move_cost.
4026         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4027         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4028         reg_names since it is needed for parsing command-line options.
4029         (init_move_cost): Use last_mode_for_init_move_cost instead of
4030         function-local static.
4031         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4032         call_really_used_regs now.  Reinitialize reg_names.  Also
4033         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4034         reg_class_superunion.  Clear losing_caller_save_reg_set.
4035         Preserve global registers if called more than once.  Reset
4036         move cost, may_move_in_cost, may_move_out_cost, and
4037         last_mode_for_init_move_cost.
4038         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4039         can now be invoked more than once.  Update comments.
4040         (init_regs): Update comments.
4041         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4042         and initial_call_really_used_regs, instead of the non-initial 
4043         variables.  This allows us to save the command-line register settings
4044         after target reinitialization.
4045         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4046         * rtl.h (init_emit_regs): Declare.
4047         (init_reg_modes_target, init_alias_target): Renamed as described
4048         above.
4049         * reload1.c (init_reload): Update comments.
4050         * optabs.c (init_optabs): Likewise.
4051         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4052         
4053 2007-08-26  Chao-ying Fu  <fu@mips.com>
4054
4055         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4056         __typeof().
4057
4058 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4059
4060         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4061         Constify.
4062         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4063         Likewise.
4064         * bb-reorder.c (copy_bb_p): Likewise.
4065         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4066         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4067         block_ends_with_condjump_p): Likewise.
4068         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4069         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4070         block_ends_with_condjump_p): Likewise.
4071         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4072         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4073         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4074         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4075         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4076         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4077         debug_true_const_tree instad of debug_true_tree.
4078         * debug.c (do_nothing_debug_hooks): Likewise.
4079         * debug.h (ignore_block, debug_true_const_tree): Constify.
4080         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4081         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4082         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4083         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4084         dbx_reg_number, is_based_loc, field_type,
4085         simple_type_align_in_bits, simple_decl_align_in_bits,
4086         simple_type_size_in_bits, field_byte_offset, insert_float,
4087         type_tag, member_declared_type, is_redundant_typedef,
4088         secname_for_decl, is_inlined_entry_point): Likewise.
4089         * emit-rtl.c (const_next_insn, const_previous_insn,
4090         const_next_nonnote_insn, const_prev_nonnote_insn,
4091         const_next_real_insn, const_prev_real_insn,
4092         const_next_active_insn, const_prev_active_insn, const_next_label,
4093         const_prev_label): Likewise.
4094         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4095         Likewise.
4096         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4097         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4098         sched_insn_is_legitimate_for_speculation_p): Likewise.
4099         * jump.c (reversed_comparison_code_parts,
4100         reversed_comparison_code, reversed_comparison, condjump_label):
4101         Likewise.
4102         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4103         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4104         Likewise.
4105         * rtl.h (const_previous_insn, const_next_insn,
4106         const_prev_nonnote_insn, const_next_nonnote_insn,
4107         const_prev_real_insn, const_next_real_insn,
4108         const_prev_active_insn, const_next_active_insn, const_prev_label,
4109         const_next_label, modified_between_p, modified_in_p,
4110         const_note_storeskeep_with_call_p, condjump_label,
4111         reversed_comparison, reversed_comparison_code,
4112         reversed_comparison_code_parts, memory_modified_in_insn_p,
4113         stack_regs_mentioned): Likewise.
4114         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4115         keep_with_call_p): Likewise.
4116         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4117         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4118         sd_lists_size, sd_lists_empty_p): Likewise.
4119         * sched-int.h (sched_insns_conditions_mutex_p,
4120         haifa_classify_insn, no_real_insns_p,
4121         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4122         sd_lists_size, sd_lists_empty_p): Likewise.
4123         * sdbout.c (sdb_debug_hooks): Likewise.
4124         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4125         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4126         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4127         Likewise.
4128         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4129         tree_can_throw_internal): Likewise.
4130         * tree-flow-inline.h (phi_nodes): Likewise.
4131         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4132         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4133         * tree-gimple.c (const_get_call_expr_in): Likewise.
4134         * tree-gimple.h (const_get_call_expr_in): Likewise.
4135         * tree.c (const_lookup_attribute, attribute_list_equal,
4136         attribute_list_contained): Likewise.
4137         * tree.h (attribute_list_equal, attribute_list_contained,
4138         const_lookup_attribute): Likewise.
4139         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4140
4141 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4142
4143         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4144         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4145
4146 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4147
4148         PR target/32991
4149         * config/alpha/constraints.md: Delete "svn:mime-type" property
4150         with svn propdel "svn:mime-type".
4151
4152 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4153
4154         PR middle-end/33181
4155         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4156         non NOTE insn doesn't cross basic block.
4157         (noce_try_abs): Likewise.
4158         (noce_process_if_block): Likewise.
4159
4160 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4161
4162         PR target/33151
4163         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4164         operand without auto-inc-dec.
4165         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4166         offsettable_mem_operand.
4167         (floatunssidf2_internal): Same.
4168         (fix_truncdfsi2_internal): Same.
4169         (floatsidf_ppc64): Same.
4170         (floatunssidf_ppc64): Same.
4171         (fix_trunctfsi2_internal): Same.
4172
4173 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4174
4175         PR bootstrap/30620
4176         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4177         pass defines needed for version.c.
4178
4179 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4180
4181         * configure.ac (--debug-prefix-map check): Change assembler
4182         version presumed to have feature to 2.18.
4183         * configure: Regenerate.
4184
4185 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4186
4187         * c-common.c (vector_types_convertible_p,
4188         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4189         self_promoting_args_p): Constify.
4190         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4191         c_promoting_integer_type_p, self_promoting_args_p,
4192         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4193         * c-decl.c (anon_aggr_type_p): Likewise.
4194         * * c-dump.c (dump_stmt): Likewise.
4195         * c-objc-common.c (has_c_linkage): Likewise.
4196         * c-tree.h (same_translation_unit_p): Likewise.
4197         * c-typeck.c (null_pointer_constant_p,
4198         tagged_types_tu_compatible_p, function_types_compatible_p,
4199         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4200         comptypes_internal, struct tagged_tu_seen_cache,
4201         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4202         c_size_in_bytes): Likewise.
4203         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4204         hash_ptr, eq_ptr): Likewise.
4205         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4206         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4207         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4208         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4209         Likewise.
4210         * optabs.c (optab_for_tree_code): Likewise.
4211         * optabs.h (optab_for_tree_code): Likewise.
4212         * rtl.h (simplify_rtx): Likewise.
4213         * simplify-rtx.c (simplify_rtx): Likewise.
4214         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4215         dump_flag, dump_node): Likewise.
4216         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4217         queue_and_dump_type, dump_flag): Likewise.
4218         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4219         * tree-pass.h (dump_node): Likewise.
4220         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4221         supportable_narrowing_operation): Likewise.
4222         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4223         supportable_narrowing_operation): Likewise.
4224         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4225         is_negative_overflow_infinity, is_positive_overflow_infinity,
4226         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4227         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4228         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4229         ssa_name_nonzero_p, fp_predicate): Likewise.
4230         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4231         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4232         ssa_name_nonnegative_p): Likewise.
4233
4234 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4235
4236         * config.gcc : Add x86_64-elf target.
4237
4238 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4239
4240         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4241
4242 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4243             Nigel Stephens <nigel@mips.com>
4244
4245         PR target/11787
4246
4247         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4248         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4249         * expr.c (SET_BY_PIECES_P): Define.
4250         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4251         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4252         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4253         store_by_pieces.
4254         * expr.h (SET_RATIO): Define.
4255         (can_store_by_pieces, store_by_pieces): Update prototypes.
4256         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4257         can_store_by_pieces/store_by_pieces.
4258         (expand_builtin_memcpy_args): Likewise.
4259         (expand_builtin_strncpy): Likewise.
4260         (expand_builtin_memset_args): Likewise.  Also remove special case
4261         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4262         decide what to do instead.
4263         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4264         to can_store_by_pieces.
4265
4266         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4267         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4268
4269         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4270         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4271         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4272         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4273         (STORE_BY_PIECES_P): Define.
4274
4275 2007-08-24  Tom Tromey  <tromey@redhat.com>
4276
4277         * varpool.c (varpool_last_needed_node): Fix comment typo.
4278         * c-decl.c (duplicate_decls): Fix comment typo.
4279         (clone_underlying_type): Update comment.
4280
4281 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4282
4283         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4284         alpha_in_small_data_p, alpha_split_complex_arg,
4285         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4286         Constify.
4287         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4288         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4289         Likewise.
4290         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4291         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4292         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4293         * config/darwin.c (darwin_binds_local_p): Likewise.
4294         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4295         Likewise.
4296         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4297         i386_pe_valid_dllimport_attribute_p): Likewise.
4298         * config/i386/i386.c (ix86_function_regparm,
4299         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4300         x86_can_output_mi_thunk, ix86_mangle_type,
4301         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4302         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4303         i386_pe_binds_local_p): Likewise.
4304         * config/ia64/ia64.c
4305         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4306         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4307         ia64_invalid_conversion, ia64_invalid_unary_op,
4308         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4309         Likewise.
4310         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4311         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4312         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4313         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4314         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4315         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4316         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4317         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4318         * config/pa/pa.c (pa_commutative_p): Likewise.
4319         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4320         Likewise.
4321         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4322         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4323         rs6000_use_blocks_for_constant_p,
4324         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4325         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4326         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4327         * config/s390/s390.c (s390_mangle_type,
4328         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4329         Likewise.
4330         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4331         th_in_small_data_p): Likewise.
4332         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4333         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4334         Likewise.
4335         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4336         sparc_mangle_type): Likewise.
4337         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4338         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4339         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4340         Likewise.
4341         * hooks.c (hook_bool_mode_const_rtx_false,
4342         hook_bool_mode_const_rtx_true,
4343         hook_bool_const_tree_hwi_hwi_const_tree_false,
4344         hook_bool_const_tree_hwi_hwi_const_tree_true,
4345         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4346         hook_constcharptr_const_tree_null,
4347         hook_constcharptr_const_rtx_null,
4348         hook_constcharptr_const_tree_const_tree_null,
4349         hook_constcharptr_int_const_tree_null,
4350         hook_constcharptr_int_const_tree_const_tree_null): New.
4351         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4352         hook_bool_tree_hwi_hwi_tree_false,
4353         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4354         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4355         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4356         hook_constcharptr_int_tree_null,
4357         hook_constcharptr_int_tree_tree_null): Delete.
4358         (default_can_output_mi_thunk_no_vcall): Constify.
4359         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4360         hook_bool_tree_hwi_hwi_tree_false,
4361         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4362         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4363         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4364         hook_constcharptr_int_tree_null,
4365         hook_constcharptr_int_tree_tree_null): Delete.
4366         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4367         hook_bool_const_tree_hwi_hwi_const_tree_false,
4368         hook_bool_const_tree_hwi_hwi_const_tree_true,
4369         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4370         hook_constcharptr_const_tree_null,
4371         hook_constcharptr_const_rtx_null,
4372         hook_constcharptr_const_tree_const_tree_null,
4373         hook_constcharptr_int_const_tree_null,
4374         hook_constcharptr_int_const_tree_const_tree_null): New.
4375         (default_can_output_mi_thunk_no_vcall): Constify.
4376         * integrate.c (function_attribute_inlinable_p): Likewise.
4377         * integrate.h (function_attribute_inlinable_p): Likewise.
4378         * jump.c (rtx_renumbered_equal_p): Likewise.
4379         * output.h (decl_readonly_section, categorize_decl_for_section,
4380         default_use_anchors_for_symbol_p, default_binds_local_p,
4381         default_binds_local_p_1): Likewise.
4382         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4383         Likewise.
4384         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4385         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4386         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4387         TARGET_COMP_TYPE_ATTRIBUTES,
4388         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4389         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4390         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4391         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4392         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4393         * target.h (can_output_mi_thunk, needs_block_p,
4394         first_cycle_multipass_dfa_lookahead_guard_spec,
4395         vector_alignment_reachable, comp_type_attributes,
4396         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4397         commutative_p, use_blocks_for_constant_p,
4398         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4399         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4400         invalid_within_doloop, valid_dllimport_attribute_p,
4401         split_complex_arg, invalid_arg_for_unprototyped_fn,
4402         invalid_conversion, invalid_unary_op, invalid_binary_op):
4403         Likewise.
4404         * targhooks.c (default_invalid_within_doloop,
4405         hook_invalid_arg_for_unprototyped_fn,
4406         default_builtin_vector_alignment_reachable): Likewise.
4407         (hook_bool_rtx_commutative_p): Delete.
4408         (hook_bool_const_rtx_commutative_p): New.
4409         * targhooks.h (default_invalid_within_doloop,
4410         default_builtin_vector_alignment_reachable,
4411         hook_invalid_arg_for_unprototyped_fn): Constify.
4412         (hook_bool_rtx_commutative_p): Delete.
4413         (hook_bool_const_rtx_commutative_p): New.
4414         * varasm.c (bss_initializer_p, decl_default_tls_model,
4415         categorize_decl_for_section, decl_readonly_section,
4416         default_use_anchors_for_symbol_p, default_binds_local_p,
4417         default_binds_local_p_1): Constify.
4418
4419 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4420
4421         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4422         __NO_BUILTIN if -fno-builtin.
4423
4424 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4425
4426         * config/bfin/bfin.c (print_operand): Report error instead of
4427         ICE for wrong operand.
4428
4429 2007-08-24  Michael Matz  <matz@suse.de>
4430
4431         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4432
4433 2007-08-24  Richard Guenther  <rguenther@suse.de>
4434
4435         PR middle-end/33166
4436         * tree-ssa.c (useless_type_conversion_p): Split into a
4437         recursive and a non-recursive part.
4438         (useless_type_conversion_p_1): New function.
4439         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4440         from maybe_fold_offset_to_reference is trivially convertible
4441         to the desired type before doing the simplification.
4442
4443 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4444
4445         * expr.c (store_expr): Optimize initialization of an array
4446         with STRING_CST.
4447         * expr.h (builtin_strncpy_read_str): New prototype.
4448         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4449         No longer static.
4450
4451 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4452
4453         PR middle-end/33157
4454         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4455         field when initializing if_info structure.
4456
4457 2007-08-24  Richard Guenther  <rguenther@suse.de>
4458
4459         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4460         dependencies.
4461         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4462         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4463         * tree-inline.c (inlinable_function_p): Fold in common parts of
4464         the cannot_inline_tree_fn langhook.
4465         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4466         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4467         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4468         cannot_inline_tree_fn langhook.
4469         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4470         cannot_inline_tree_fn member.
4471
4472 2007-08-24  Richard Guenther  <rguenther@suse.de>
4473
4474         * expr.c (get_inner_reference): Do computation of bitoffset
4475         from offset in a way we can detect overflow reliably.
4476
4477 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4478
4479         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4480
4481 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4482
4483         * config/bfin/bfin.opt (mfast-fp): Add.
4484         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4485         libbffastfp override libgcc if -mfast-fp.
4486         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4487         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4488         (Blackfin Options): Document -mfast-fp.
4489
4490 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4491
4492         PR tree-optimization/32573
4493         PR middle-end/32946
4494         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4495         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4496         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4497         (build_classic_dist_vector): Return false rather than true if
4498         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4499         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4500         returned false.  Don't call save_dist_v before calling
4501         build_classic_dist_vector_1.
4502         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4503         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4504         DDR_DIR_VECTS vectors.
4505
4506 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4507
4508         * configure.ac (leb128): Modify sed statement to work with any
4509         binutils version string.
4510         * configure: Regenerate
4511
4512 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4513
4514         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4515         Wrap in RTX_CODE macro guard.
4516         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4517         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4518         arm_mark_dllimport, arm_pe_encode_section_info,
4519         arm_pe_unique_section): Use ISO-C function declarations.
4520         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4521         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4522         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4523         Likewise.
4524         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4525         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4526         defining.
4527         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4528         warnings.
4529         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4530         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4531         (register_move_cost): Use ISO-C function declarations.
4532         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4533         * config/score/score-protos.h (score_declare_object): Add
4534         ATTRIBUTE_PRINTF_4.
4535         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4536         warnings.
4537         * final.c (profile_function): Avoid empty if-bodies.
4538         
4539         
4540         * calls.c (must_pass_in_stack_var_size,
4541         must_pass_in_stack_var_size_or_pad): Constify.
4542         * config/alpha/alpha-protos.h (function_value): Likewise.
4543         * config/alpha/alpha.c (alpha_return_in_memory,
4544         alpha_pass_by_reference, function_value,
4545         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4546         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4547         Likewise.
4548         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4549         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4550         TARGET_PROMOTE_PROTOTYPES): Likewise.
4551         * config/arm/arm-protos.h (arm_return_in_memory,
4552         arm_pad_arg_upward, arm_function_value): Likewise.
4553         * config/arm/arm.c (arm_pass_by_reference,
4554         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4555         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4556         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4557         Likewise.
4558         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4559         * config/avr/avr-protos.h (avr_function_value): Likewise.
4560         * config/avr/avr.c (avr_return_in_memory,
4561         gas_output_limited_string, gas_output_ascii, avr_function_value,
4562         avr_return_in_memory): Likewise.
4563         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4564         * config/bfin/bfin.c (bfin_pass_by_reference,
4565         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4566         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4567         Likewise.
4568         * config/cris/cris.c (cris_pass_by_reference,
4569         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4570         * config/crx/crx.c (crx_return_in_memory): Likewise.
4571         * config/darwin.c (function_base, machopic_function_base_name):
4572         Likewise.
4573         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4574         TARGET_PROMOTE_PROTOTYPES): Likewise.
4575         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4576         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4577         * config/i386/i386-protos.h (ix86_return_in_memory,
4578         ix86_sol10_return_in_memory): Likewise.
4579         * config/i386/i386.c (ix86_function_value,
4580         ix86_function_sseregparm, ix86_must_pass_in_stack,
4581         type_natural_mode, classify_argument, examine_argument,
4582         construct_container, ix86_pass_by_reference, function_value_32,
4583         function_value_64, ix86_function_value_1, return_in_memory_32,
4584         return_in_memory_64, return_in_memory_ms_64,
4585         ix86_return_in_memory, ix86_sol10_return_in_memory,
4586         TARGET_PROMOTE_PROTOTYPES): Likewise.
4587         * config/ia64/ia64-protos.h (ia64_function_value,
4588         ia64_hpux_function_arg_padding): Likewise.
4589         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4590         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4591         ia64_hpux_function_arg_padding): Likewise.
4592         * config/iq2000/iq2000-protos.h (function_arg,
4593         iq2000_function_value): Likewise.
4594         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4595         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4596         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4597         function_arg, iq2000_function_value): Likewise.
4598         * config/m32c/m32c-protos.h (m32c_function_value,
4599         m32c_promote_function_return): Likewise.
4600         * config/m32c/m32c.c (m32c_pass_by_reference,
4601         m32c_promote_prototypes, m32c_promote_function_return,
4602         m32c_function_value): Likewise.
4603         * config/m32r/m32r.c (m32r_return_in_memory,
4604         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4605         m32r_in_small_data_p): Likewise.
4606         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4607         Likewise.
4608         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4609         m68hc11_function_arg_padding): Likewise.
4610         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4611         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4612         m68k_function_value): Likewise.
4613         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4614         mcore_function_value): Likewise.
4615         * config/mcore/mcore.c (handle_structs_in_regs,
4616         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4617         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4618         mcore_num_arg_regs, mcore_function_value): Likewise.
4619         * config/mips/mips-protos.h (mips_pad_arg_upward,
4620         mips_function_value): Likewise.
4621         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4622         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4623         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4624         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4625         mips_function_value): Likewise.
4626         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4627         Likewise.
4628         * config/mmix/mmix.c (mmix_pass_by_reference,
4629         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4630         mmix_encode_section_info): Likewise.
4631         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4632         Likewise.
4633         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4634         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4635         mn10300_function_value): Likewise.
4636         * config/mt/mt-protos.h (mt_function_value): Likewise.
4637         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4638         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4639         * config/pa/pa-protos.h (function_arg_padding, function_value,
4640         pa_return_in_memory): Likewise.
4641         * config/pa/pa.c (pa_pass_by_reference,
4642         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4643         function_arg_padding, function_value, pa_return_in_memory):
4644         Likewise.
4645         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4646         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4647         function_arg_padding): Likewise.
4648         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4649         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4650         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4651         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4652         function_arg_padding, altivec_expand_dst_builtin,
4653         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4654         altivec_init_builtins, rs6000_common_init_builtins,
4655         rs6000_function_value): Likewise.
4656         * s390/s390-protos.h (s390_function_value): Likewise.
4657         * config/s390/s390.c (s390_function_arg_size,
4658         s390_pass_by_reference, s390_return_in_memory,
4659         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4660         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4661         * config/score/score-protos.h (score_function_value): Likewise.
4662         * config/score/score.c (score_arg_partial_bytes,
4663         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4664         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4665         score_pass_by_reference, score_add_offset, score_function_value):
4666         Likewise.
4667         * config/sh/sh-protos.h (sh_attr_renesas_p,
4668         sh_promote_prototypes): Likewise.
4669         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4670         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4671         sh_attr_renesas_p): Likewise.
4672         * config/sparc/sparc-protos.h (function_value,
4673         function_arg_padding): Likewise.
4674         * config/sparc/sparc.c (sparc_promote_prototypes,
4675         sparc_return_in_memory, sparc_pass_by_reference,
4676         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4677         function_arg_record_value_2, function_arg_record_value_1,
4678         function_arg_record_value, function_arg_record_value,
4679         function_arg_padding, function_value): Likewise.
4680         * config/spu/spu-protos.h (spu_function_value): Likewise.
4681         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4682         spu_function_value): Likewise.
4683         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4684         Likewise.
4685         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4686         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4687         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4688         Likewise.
4689         * config/v850/v850.c (v850_return_in_memory,
4690         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4691         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4692         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4693         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4694         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4695         Likewise.
4696         * explow.c (promote_mode, hard_function_value): Likewise.
4697         * expr.h (hard_function_value, promote_mode): Likewise.
4698         * function.c (aggregate_value_p): Likewise.
4699         * hooks.c (hook_bool_const_tree_true): New.
4700         * hooks.h (hook_bool_const_tree_true): New.
4701         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
4702         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
4703         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4704         TARGET_RETURN_IN_MSB): Likewise.
4705         * target.h (promote_function_args, promote_function_return,
4706         promote_prototypes, return_in_memory, return_in_msb,
4707         pass_by_reference, must_pass_in_stack, callee_copies,
4708         function_value): Likewise.
4709         * targhooks.c (default_return_in_memory,
4710         hook_pass_by_reference_must_pass_in_stack,
4711         hook_callee_copies_named,
4712         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4713         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4714         default_function_value): Likewise. 
4715         * targhooks.h (default_return_in_memory,
4716         hook_pass_by_reference_must_pass_in_stack,
4717         hook_callee_copies_named,
4718         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4719         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4720         default_function_value): Likewise.
4721         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
4722         (equiv_class_label_hash, equiv_class_label_eq): Constify.
4723         * tree-vectorizer.c (bb_in_loop_p): Likewise.
4724         * tree.c (needs_to_live_in_memory): Likewise.
4725         * tree.h (struct tree_type, needs_to_live_in_memory,
4726         aggregate_value_p, must_pass_in_stack_var_size,
4727         must_pass_in_stack_var_size_or_pad): Likewise.
4728         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
4729         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
4730         lookup_filename): Likewise.
4731
4732 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4733
4734         PR target/17390
4735         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
4736         fake fcomi i387 instruction for !TARGET_CMOVE.
4737         (ix86_expand_branch): Expand natural sequence with one jump for
4738         all targets, not only TARGET_CMOVE.
4739         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
4740         pattern to implement fake fcomi sequence.  Split instruction after
4741         reload to correct compare sequences.
4742         (*cmpfp_xf_cc): Ditto.
4743         (*cmpfp_<mode>_cc): Ditto.
4744         (*cmpfp_u_cc): Ditto.
4745         (*cmpfp_<mode>_cc): Ditto.
4746
4747 2007-08-23  Richard Guenther  <rguenther@suse.de>
4748
4749         * tree-pretty-print.c (dump_generic_node): Annotate
4750         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
4751
4752 2007-08-23  Richard Guenther  <rguenther@suse.de>
4753
4754         * builtins.c (expand_builtin_mathfn): Wrap argument in
4755         save_expr directly instead of re-building the call.
4756         (expand_builtin_mathfn_2): Likewise.
4757         (expand_builtin_mathfn_3): Likewise.
4758         (expand_builtin_interclass_mathfn): Likewise.
4759         (expand_builtin_int_roundingfn): Set arg.
4760         (expand_builtin_int_roundingfn_2): Likewise.
4761
4762 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
4763
4764         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
4765         *sse_nand<mode>3, *sse_xor<mode>3): New.
4766
4767 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4768
4769         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
4770         * config/i386/i386.c (print_operand): Handle ';' code.  Output
4771         semicolon for TARGET_MACHO.
4772         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
4773         emit semicolon after 'lock' prefix.
4774         (sync_double_compare_and_swap<mode>): Ditto.
4775         (*sync_double_compare_and_swapdi_pic): Ditto.
4776         (*sync_compare_and_swap_cc<mode>): Ditto.
4777         (sync_double_compare_and_swap_cc<mode>): Ditto.
4778         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
4779         (sync_old_add<mode>): Ditto.
4780         (sync_add<mode>): Ditto.
4781         (sync_sub<mode>): Ditto.
4782         (sync_ior<mode>): Ditto.
4783         (sync_and<mode>): Ditto.
4784         (sync_xor<mode>): Ditto.
4785
4786 2007-08-22  Chao-ying Fu  <fu@mips.com>
4787
4788         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
4789         in DEF_RTL_EXPR.
4790         (copy_rtx): Handle CONST_FIXED.
4791         (rtx_equal_p): Likewise.
4792         * rtl.h (fixed_value.h): New include.
4793         (rtx_def): Add a new field of fixed_value to u.
4794         (XCNMPFV): Define for accessing fixed_value.
4795         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
4796         Define.
4797         * rtl.def (CONST_FIXED): New constant.
4798         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
4799         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
4800         US_ASHIFT): New codes.
4801         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
4802         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
4803         unsigned_fract_convert, unsigned_sat_fract): Document them.
4804         * varasm.c (assemble_integer): Extend to support fixed-point constants
4805         by using different machine classes.
4806         (decode_addr_const): Handle FIXED_CST.
4807         (const_hash_1): Likewise.
4808         (compare_constant): Likewise.
4809         (copy_constant): Likewise.
4810         (const_rtx_hash_1): Handle CONST_FIXED.
4811         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
4812         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
4813         MODE_VECTOR_UACCUM.
4814         (initializer_constant_valid_p): Handle FIXED_CST.
4815         (output_constant): Support FIXED_POINT_TYPE.
4816         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
4817         * cse.c (hash_rtx): Support CONST_FIXED.
4818         (exp_equiv_p): Likewise.
4819         (cannon_reg): Likewise.
4820         (fold_rtx): Likewise.
4821         (equiv_constant): Likewise.
4822         (cse_process_notes_1): Likewise.
4823         (count_reg_usage): Likewise.
4824         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
4825         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
4826         (wrap_constant): Check CONST_FIXED.
4827         (cselib_hash_rtx): Support CONST_FIXED.
4828         (cselib_subst_to_values): Likewise.
4829         * df-scan.c (df_uses_record): Likewise.
4830         * gcse.c (want_to_gcse_p): Likewise.
4831         (oprs_unchanged_p): Likewise.
4832         (oprs_not_set_p): Likewise.
4833         (compute_transp): Likewise.
4834         (extract_mentioned_regs_helper): Likewise.
4835         * genemit.c (gen_exp): Likewise.
4836         * local-alloc.c (equiv_init_varies_p): Likewise.
4837         (contains_replace_regs): Likewise.
4838         (memref_referenced_p): Likewise.
4839         * loop-invariant.c (check_maybe_invariant): Likewise.
4840         (hash_invariant_expr_1): Likewise.
4841         (invariant_expr_equal_p): Likewise.
4842         * postreload-gcse.c (oprs_unchanged_p): Likewise.
4843         * regclass.c (reg_scan_mark_refs): Likewise.
4844         * regrename.c (scan_rtx): Likewise.
4845         * resource.c (mark_referenced_resources): Likewise.
4846         (mark_set_resources): Likewise.
4847         * rtlanal.c (rtx_unstable_p): Likewise.
4848         (rtx_varies_p): Likewise.
4849         (count_occurrences): Likewise.
4850         (reg_mentioned_p): Likewise.
4851         (modified_between_p): Likewise.
4852         (modified_in_p): Likewise.
4853         (volatile_insn_p): Likewise.
4854         (volatile_refs_p): Likewise.
4855         (side_effects_p): Likewise.
4856         (may_trap_p_1): Likewise.
4857         (inequality_comparisons_p): Likewise.
4858         (computed_jump_p_1): Likewise.
4859         (commutative_operand_precedence): Likewise.
4860         * sched-deps.c (sched_analyze_2): Likewise.
4861         * sched-vis.c (print_value): Likewise.
4862         * reload.c (operands_match_p): Likewise.
4863         (subst_reg_equivs): Likewise.
4864         * reload1.c (eliminate_regs_1): Likewise.
4865         (elimination_effects): Likewise.
4866         (scan_paradoxical_subregs): Likewise.
4867         * alias.c (rtx_equal_for_memref_p): Likewise.
4868         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
4869         * emit-rtl.c (const_fixed_htab): New hash table.
4870         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
4871         Declare.
4872         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
4873         const_fixed_from_fixed_value): New functions.
4874         (verify_rtx_sharing): Handle CONST_FIXED.
4875         (copy_rtx_if_shared_1): Likewise.
4876         (reset_used_flags): Likewise.
4877         (set_used_flags): Likewise.
4878         (copy_insn_1): Likewise.
4879         (init_emit_once): Create const_fixed_htab.
4880         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
4881
4882 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
4883
4884         PR tree-optimization/32949
4885         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
4886         before failing for ivs with non-constant step.
4887
4888 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
4889
4890         * doc/md.texi (Iterators): Renamed from Macros.  All contents
4891         changed to reflect rename of respectively define_code_macro and
4892         define_mode_macro to define_code_iterator and define_mode_iterator.
4893         (Mode Iterators, Code Iterators): Similar.
4894         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
4895         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
4896         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
4897         (initialize_iterators, find_iterator, check_code_iterator)
4898         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
4899         (read_mapping, read_rtx_1): Similar.
4900         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
4901         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
4902         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
4903         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
4904         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
4905         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
4906         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
4907         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
4908         config/rs6000/sync.md, config/rs6000/rs6000.md,
4909         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
4910         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
4911         config/vax/vax.md, config/bfin/bfin.md: Similar.
4912
4913 2007-08-22  David Daney  <ddaney@avtrex.com>
4914
4915         * doc/install.texi (Testing): Mention testing on a simulator.
4916
4917 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
4918
4919         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
4920
4921         * doc/libgcc.texi (Decimal float library routines): Fix formatting
4922         and rearrange floating point conversion functions into different
4923         categories.
4924
4925 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4926
4927         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
4928         dfa_post_advance_cycle): New scheduler hooks.
4929         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4930         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
4931         new hooks.
4932         (TARGET_SCHED): Use them.
4933         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4934         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
4935         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
4936
4937         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
4938         function to facilitate debugging.
4939         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
4940         (output_insn_has_dfa_reservation_p): New static function to output
4941         insn_has_dfa_reservation_p ().
4942         (write_automata): Use it.
4943         * genattr.c (main): Output declaration for
4944         insn_has_dfa_reservation_p ().
4945
4946 2007-08-22  Christian Bruel  <christian.bruel@st.com>   
4947             Richard Guenther <rguenther@suse.de>
4948         
4949         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
4950         * simplify_rtx (simplify_binary_operation_1): Likewise.
4951                 
4952 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
4953
4954         PR rtl-optimization/32557
4955         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
4956         of REGNO (mws->mw_reg).
4957
4958 2007-08-22  Richard Guenther  <rguenther@suse.de>
4959
4960         PR middle-end/33007
4961         * builtins.c (expand_builtin_int_roundingfn): Replace call
4962         argument wrapped with SAVE_EXPR directly.
4963         (expand_builtin_int_roundingfn_2): Likewise.
4964
4965 2007-08-22  Richard Guenther  <rguenther@suse.de>
4966
4967         * tree-inline.c (inlinable_function_p): Restore disregarding
4968         inline limits for GNU extern inline functions.
4969
4970 2007-08-22  Richard Guenther  <rguenther@suse.de>
4971
4972         PR middle-end/32563
4973         * tree.c (host_integerp): Treat sizetype as signed as it is
4974         sign-extended.
4975
4976 2007-08-21  Ian Lance Taylor  <iant@google.com>
4977
4978         PR tree-optimization/33134
4979         * tree-vrp.c (adjust_range_with_scev): Call
4980         set_value_range_to_value.
4981
4982 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4983
4984         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
4985         prototype.
4986         
4987 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4988
4989         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
4990         whitespace.
4991
4992 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
4993
4994         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
4995         cases to set eight bytes at a time.
4996         (expand_block_move): Likewise.
4997         
4998 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
4999
5000         PR debug/32610
5001         * dwarf2out.c (gen_decl_die): Don't call
5002         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
5003
5004 2007-08-21  Paul Brook  <paul@codesourcery.com>
5005             Nathan Sidwell  <nathan@codesourcery.com>
5006             Mark Mitchell  <mark@codesourcery.com>
5007             Joseph Myers  <joseph@codesourcery.com>
5008
5009         * configure.ac: Add --with-pkgversion and --with-bugurl.
5010         * configure: Regenerate.
5011         * doc/install.texi: Document them.
5012         * version.c (version_string): Remove VERSUFFIX.
5013         (VERSUFFIX): Remove.
5014         (pkgversion_string): New.
5015         (bug_report_url): Do not hard-code initializer.
5016         * version.h (pkgversion_string): Declare.
5017         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5018         Define.
5019         (version.o): Define PKGVERSION and BUGURL.
5020         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5021         (%.pod): Define BUGURL.
5022         * gcc.c (process_command, main): Use pkgversion_string.
5023         * toplev.c (compile_file, print_version): Likewise.
5024         * protoize.c (main): Likewise.
5025         * gcov.c (print_version): Likewise.  Update copyright date.
5026         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5027         * mips-tdump.c (main): Likewise.  Update copyright date.
5028         * mips-tfile.c (main): Likewise.  Update copyright date.
5029         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5030         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5031         shorten description.
5032         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5033         * doc/gccint.texi: Likewise.
5034         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5035         Update copyright date.
5036
5037 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5038
5039         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5040         (ix86_expand_strlensi_unroll_1): Ditto.
5041         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5042         (ix86_expand_carry_flag_compare): Update comment.
5043
5044 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5045
5046         PR middle-end/32912
5047         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5048         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5049
5050 2007-08-21  Richard Guenther  <rguenther@suse.de>
5051
5052         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5053
5054 2007-08-21  Richard Guenther  <rguenther@suse.de>
5055
5056         PR middle-end/33122
5057         * fold-const.c (fold_binary): Remove index +p PTR folding.
5058         Fix types of POINTER_PLUS_EXPR generated by folding of
5059         (PTR +p B) +p A.
5060
5061 2007-08-20  Chao-ying Fu  <fu@mips.com>
5062
5063         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5064         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5065         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5066         (c_common_fixed_point_type_for_size): Declare.
5067         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5068         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5069         (c_token_starts_declspecs): Likewise.
5070         (c_parser_declspecs): Likewise.
5071         (c_parser_attributes): Likewise.
5072         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5073         (c_declspecs): Add saturating_p.
5074         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5075         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5076         _Sat.  Handle RID_SAT.
5077         Avoid using void, bool, char, int, float, double, _Decimal32,
5078         _Decimal64, _Decimal128, and complex with _Sat.
5079         Handle RID_FRACT and RID_ACCUM.
5080         Make sure _Sat is used with _Fract or _Accum.
5081         (finish_declspecs): Handle cts_fract and cts_accum.
5082         * c-common.c (fixed-value.h): New include.
5083         (constant_expression_warning): Handle FIXED_CST.
5084         (overflow_warning): Likewise.
5085         (warnings_for_convert_and_check): Likewise.
5086         (c_common_fixed_point_type_for_size): New.
5087         (c_common_type_for_mode): Handle fixed-point modes to
5088         return various saturating/non-saturating, signed/unsigned types.
5089         (c_common_signed_or_unsigned_type): Support fixed-point types.
5090         (shorten_compare): Check fixed-point zero.
5091         Handle FIXED_POINT_TYPE.
5092         (c_common_truthvalue_conversion): Handle FIXED_CST.
5093         Handle FIXED_POINT_TYPE.
5094         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5095         types.
5096         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5097         if the signness of base type and fixed-point modes are consistent.
5098         (handle_vector_size_attribute): Handle fixed-point modes.
5099         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5100         (warn_for_div_by_zero): Check fixed-point zero.
5101         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5102         a common fixed-point type based on fbit, ibit, sign, and saturation.
5103         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5104         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5105         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5106         (convert_for_assignment): Support FIXED_POINT_TYPE.
5107         (digest_init): Handle FIXED_POINT_TYPE.
5108         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5109         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5110         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5111         GE_EXPR, LT_EXPR, GT_EXPR.
5112         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5113         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5114         * target.h (gcc_target): Add fixed_point_supported_p.
5115         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5116         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5117         (default_fixed_point_supported_p): Define.
5118         * targhooks.h (default_fixed_point_supported_p): Declare.
5119         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5120         * doc/install.texi (Configuration): Add --enable-fixed-point.
5121         * configure.ac (--enable-fixed-point): New to enable fixed-point
5122         arithmetic extension to C.  For mips targets, we enable it by default.
5123         * configure, config.in: Regenerate.
5124
5125 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5126
5127         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5128
5129 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5130
5131         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5132         DWARF2_DEBUGGING_INFO.
5133         (cold_text_section_used): Same.
5134         (cold_text_section): Same.
5135
5136 2007-08-20  Richard Guenther  <rguenther@suse.de>
5137
5138         * c-typeck.c (convert_for_assignment): Use the type of
5139         the member for the initialization.
5140
5141 2007-08-20  Richard Guenther  <rguenther@suse.de>
5142
5143         * c-objc-common.c (c_disregard_inline_limits): Remove.
5144         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5145         * cgraphunit.c (cgraph_process_new_functions): Call
5146         disregard_inline_limits_p.
5147         (cgraph_preserve_function_body_p): Likewise.
5148         * ipa-inline.c (compute_inline_parameters): Likewise.
5149         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5150         Remove.
5151         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5152         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5153         disregard_inline_limits langhook.
5154         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5155         Remove.
5156         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5157         disregard_inline_limits langhook.
5158         * tree-inline.c (disregard_inline_limits_p): New function.
5159         * tree-inline.h (disregard_inline_limits_p): Declare.
5160
5161 2007-08-20  Richard Guenther  <rguenther@suse.de>
5162
5163         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5164         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5165         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5166         auto_var_in_fn_p langhook.
5167         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5168         move ...
5169         * tree.c (auto_var_in_fn_p): ... here.
5170         (find_var_from_fn): Call auto_var_in_fn_p directly.
5171         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5172         auto_var_in_fn_p langhook.
5173         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5174         (copy_body_r): Likewise.
5175         (self_inlining_addr_expr): Likewise.
5176         * tree.h (auto_var_in_fn_p): Declare.
5177
5178 2007-08-20  Richard Guenther  <rguenther@suse.de>
5179
5180         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5181         (walk_type_fields): Take lh parameter.
5182         (walk_tree): Rename to ...
5183         (walk_tree_1): ... this.  Do not call the walk_subtrees
5184         langhook but the now passed callback.  Pass lh on recursion.
5185         (walk_tree_without_duplicates): Rename to ...
5186         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5187         and call walk_tree_1.
5188         * tree.h (walk_tree_lh): New typedef.
5189         (walk_tree_1): Declare.
5190         (walk_tree_without_duplicates_1): Likewise.
5191         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5192         (walk_tree_without_duplicates): New define to
5193         walk_tree_without_duplicates_1 with NULL lh parameter.
5194         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5195         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5196         langhook.
5197         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5198         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5199         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5200         initializer.
5201
5202 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5203
5204         PR middle-end/30564
5205         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5206         code in front of the compacting of basic blocks.
5207         Move the folding of statements inbetween the cgraph checking
5208         and compacting of basic blocks.
5209
5210 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5211            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5212
5213         PR target/32522
5214         * config/alpha/alpha.c (va_list_skip_additions): Check for
5215         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5216         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5217         PLUS_EXPR when checking ap.__base.
5218         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5219         when doing addition on pointer types.  Use size_int instead of
5220         build_int_cst.
5221         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5222         ptr_type in the second operand.
5223
5224 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5225
5226         PR target/33115
5227         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5228
5229 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5230
5231         PR middle-end/32940
5232         * cfgexpand.c  (expand_one_register_var): Mark pointer
5233         DECL_ARTIFICIAL as REG_POINTER also.
5234         * stmt.c (expand_decl): Likewise.
5235
5236 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5237
5238         Fix PR 32772
5239         Fix PR 32716
5240         Fix PR 32328
5241         Fix PR 32303
5242
5243         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5244         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5245         on_worklist argument and avoid adding things to worklist multiple
5246         times.
5247         (add_to_worklist): Ditto.
5248         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5249         single SFT is clobbered.
5250         (set_initial_properties): Ditto.
5251         (compute_call_clobbered): Update for changes to function
5252         arguments.
5253         (create_overlap_variables_for): Always create SFT for offset 0.
5254         (create_structure_vars): Handle PHI's, since we are in SSA form at
5255         this point.
5256         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5257         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5258         TARGET_MEM_REF.
5259         (add_vars_for_offset): Figure out aliases from access + points-to.
5260         (add_virtual_operand): Use add_vars-for_offset.
5261         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5262         (add_call_clobber_ops): Remove makes_clobbering_call set.
5263         (get_expr_operands): Always pass through the INDIRECT_REF
5264         reference.
5265         * tree-ssa-structalias.c (struct constraint_graph): Remove
5266         variables member.
5267         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5268         address_taken, pt_used, number_incoming.
5269         (FIRST_ADDR_NODE): Removed.
5270         (merge_graph_nodes): Remove broken code for the moment.
5271         (init_graph): New function.
5272         (build_pred_graph): Remove code to init_graph.
5273         Add location equivalence support.
5274         (struct scc_info): Rename roots to deleted.
5275         (scc_visit): Ditto.
5276         (init_scc_info): Ditto
5277         (init_topo_info): Use graph->size.
5278         (compute_topo_order): Ditto.
5279         (do_da_constraint): Removed.
5280         (do_sd_constraint): Remove calls to find().
5281         set_union_with_increment should always get 0 as last arg here.
5282         (do_complex_constraint): Replace do_da_constraint with assert.
5283         Stop calling find.
5284         (struct equiv_class_label): New.
5285         (pointer_equiv_class_table): Ditto.
5286         (location_equiv_class_table): Ditto.
5287         (equiv_class_label_hash): Ditto.
5288         (equiv_class_label_eq): Ditto
5289         (equiv_class_lookup): Ditto.
5290         (equiv_class_ladd): Ditto.
5291         (pointer_equiv_class): Ditto.
5292         (location_equiv_class): Ditto.
5293         (condense_visit): Rename and rewrite from label_visit to do only
5294         SCC related stuff for HU.
5295         (label_visit): Do HU work for HU.
5296         (perform_var_substitution): Update to do HU and location
5297         equivalence.
5298         (free_var_substitution_info): Update to free HU and location
5299         equivalence structures.  */
5300         (find_equivalent_node): Update for pointer but not location
5301         equivalence.
5302         (unite_pointer_equivalences): New function.
5303         (move_complex_constraints): Rewrite to only do moving.
5304         (rewrite_constraints): Split out of move_complex_constraints.
5305         (solve_graph): Use graph->size.
5306         (process_constraint_1): Add from_call argument, use it.
5307         Split *a = &b into two constraints.
5308         (process_constraint): Use new process_constraint_1.
5309         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5310         (get_constraint_for): Handle non-pointer integers properly.
5311         Remove code that used to handle structures.
5312         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5313         with unknown addends.
5314         (handle_rhs_call): New function.
5315         (find_func_aliases): Use handle_rhs_call.
5316         (set_uids_in_ptset): Add an assert.
5317         (set_used_smts): Fix bug in not considering unified vars.
5318         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5319         (compute_points_to_sets): Update for other function changes.
5320         (delete_points_to_sets): Ditto.
5321         (ipa_pta_execute): Ditto.
5322         (pass_ipa_pta): We need to update SSA after ipa_pta.
5323         
5324 2007-08-19  Jan Hubicka  <jh@suse.cz>
5325
5326         * i386.md: Replace "rim" and "mri" constraints by "g".
5327
5328 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5329
5330         * dwarf2out.c (text_section_used, cold_text_section_used,
5331         cold_text_section, dwarf2out_note_section_used): New.
5332         (dwarf2out_init): Initialize cold_text_section.
5333         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5334         dwarf2out_note_section_used.
5335         (size_of_aranges): Only count entry for text section if it was
5336         used.  Count entry for cold text section if it was used.
5337         (output_aranges): Only output entries for text section and cold
5338         text section if they were used.
5339
5340 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5341
5342         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5343         the function.
5344         (debug_generic_stmt): Likewise.
5345         (debug_tree_chain): Likewise.
5346
5347 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5348
5349         * tree-data-refs.c (split_constant_offset): Expose.
5350         * tree-data-refs.h (split_constant_offset): Add declaration.
5351
5352         * tree-vectorizer.h (dr_alignment_support): Renamed
5353         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5354         Added a new value dr_explicit_realign.
5355         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5356         dr_offset, dr_step, and dr_aligned_to, along with new access
5357         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5358         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5359         STMT_VINFO_DR_ALIGNED_TO.
5360
5361         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5362         documentation.
5363         In case of outer-loop vectorization with non-fixed misalignment - use
5364         the dr_explicit_realign scheme instead of the optimized realignment
5365         scheme.
5366         (new_stmt_vec_info): Initialize new fields.
5367
5368         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5369         'nested_in_vect_loop' case. Change verbosity level.
5370         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5371         Don't fail on zero step in the outer-loop for loads.
5372         (vect_analyze_data_refs): Call split_constant_offset to calculate
5373         base, offset and init relative to the outer-loop.
5374
5375         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5376         BSI function argument with a new function argument - at_loop.
5377         Simplify the condition that determines STEP. Takes additional argument
5378         INV_P. Support outer-loop vectorization (handle the
5379         nested_in_vect_loop case), including zero step in the outer-loop. Call
5380         vect_create_addr_base_for_vector_ref with additional argument.
5381         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5382         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5383         Fixed and simplified calculation of step.
5384         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5385         of bsi, and with additional argument. Call bump_vector_ptr with
5386         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5387         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5388         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5389         when the realignment setup needs to take place inside the loop.
5390         Support the dr_explicit_realign scheme. Allow generating the optimized
5391         realignment scheme for outer-loop vectorization. Added documentation.
5392         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5393         the 'nested_in_vect_loop' case, including loads that are invariant in
5394         the outer-loop and the realignment schemes. Handle the case when the
5395         realignment setup needs to take place inside the loop. Call
5396         vect_setup_realignment with additional arguments.  Call
5397         vect_create_data_ref_ptr with additional argument and with loop instead
5398         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5399         (vect_gen_niters_for_prolog_loop): Call
5400         vect_create_addr_base_for_vector_ref with additional arguments.
5401         (vect_create_cond_for_align_checks): Likewise.
5402         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5403         scheme: takes additional argument bump; argument ptr_incr is now
5404         optional; updated documentation.
5405         (vect_init_vector): Takes additional argument (bsi). Use it, if
5406         available, to insert the vector initialization.
5407         (get_initial_def_for_induction): Pass additional argument in call to
5408         vect_init_vector.
5409         (vect_get_vec_def_for_operand): Likewise.
5410         (vect_setup_realignment): Likewise.
5411         (vectorizable_load): Likewise.
5412
5413 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5414
5415         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5416         as argument instead of struct loop.
5417         (nested_in_vect_loop_p): New function.
5418         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5419         vect_used_in_outer.
5420         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5421         from other phis in the loop.
5422         (destroy_loop_vec_info): Add additional argument to declaration.
5423
5424         * tree-vectorizer.c (supportable_widening_operation): Also check if
5425         nested_in_vect_loop_p (don't allow changing the order in this case).
5426         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5427         of struct loop. Call nested_in_vect_loop_p and don't require
5428         flag_unsafe_math_optimizations if it returns true.
5429         (new_stmt_vec_info): When setting def_type for phis differentiate 
5430         loop-header phis from other phis.
5431         (bb_in_loop_p): New function.
5432         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5433         just update their loop_vinfo.  Order of BB traversal now matters -
5434         call dfs_enumerate_from with bb_in_loop_p.
5435         (destroy_loop_vec_info): Takes additional argument to control whether
5436         stmt_vinfo of the loop stmts should be destroyed as well.
5437         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5438         reduction stmt to be defines by a non loop-header phi.
5439         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5440
5441         * tree-vect-transform.c (vectorizable_reduction): Call
5442         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5443         (vectorizable_call): Likewise.
5444         (vectorizable_conversion): Likewise.
5445         (vectorizable_operation): Likewise.
5446         (vectorizable_type_promotion): Likewise.
5447         (vectorizable_type_demotion): Likewise.
5448         (vectorizable_store): Likewise.
5449         (vectorizable_live_operation): Likewise.
5450         (vectorizable_reduction): Likewise. Also pass loop_info to
5451         vect_is_simple_reduction instead of loop.
5452         (vect_init_vector): Call nested_in_vect_loop_p.
5453         (get_initial_def_for_reduction): Likewise.
5454         (vect_create_epilog_for_reduction): Likewise.
5455         (vect_init_vector): Check which loop to work with, in case there's an
5456         inner-loop.
5457         (get_initial_def_for_inducion): Extend to handle outer-loop
5458         vectorization. Fix indentation.
5459         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5460         In the case vect_induction_def get the vector def from the induction
5461         phi node, instead of calling get_initial_def_for_inducion.
5462         (get_initial_def_for_reduction): Extend to handle outer-loop 
5463         vectorization.
5464         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5465         vectorization.
5466         (vect_transform_loop): Change assert to just skip this case.  Add a
5467         dump printout.
5468         (vect_finish_stmt_generation): Add a couple asserts.
5469
5470         (vect_estimate_min_profitable_iters): Multiply
5471         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5472         inner-loop bound.
5473         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5474         this is an inner-loop reduction in outer-loop vectorization.
5475
5476         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5477         Same code as what used to be vect_analyze_scalar_cycles, only with
5478         additional argument loop, and loop_info passed to
5479         vect_is_simple_reduction instead of loop.
5480         (vect_analyze_scalar_cycles): Code factored out into
5481         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5482         Updated documentation.
5483         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5484         outer-loop vectorization that are live or not used in the outerloop,
5485         cause this requires special handling.
5486         (vect_enhance_data_refs_alignment): Don't consider versioning for
5487         nested-loops.
5488         (vect_analyze_data_refs): Check that there are no datarefs in the
5489         inner-loop.
5490         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5491         and vect_used_in_outer_by_reduction cases.
5492         (process_use): Also consider the case of outer-loop stmt defining an
5493         inner-loop stmt and vice versa.
5494         (vect_analyze_loop_1): New function.
5495         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5496         loops.  Call vect_analyze_loop_1.
5497         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5498         been vectorized.  Call destroy_loop_vec_info with additional argument.
5499
5500         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5501         in the inner-loop when doing outer-loop vectorization. Add
5502         documentation and printout.
5503         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5504         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5505
5506 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5507
5508         * tree-affine.h (print_aff): New prototype.
5509         (debug_aff): Likewise.
5510         * tree-affine.c (print_aff): New function.
5511         (debug_aff): Likewise.
5512
5513 2007-08-18  Paul Brook  <paul@codesourcery.com>
5514             Joseph Myers  <joseph@codesourcery.com>
5515
5516         * common.opt (-fdebug-prefix-map=): New option.
5517         * opts.c: Include debug.h.
5518         (common_handle_option): Handle -fdebug-prefix-map.
5519         * final.c: Include ggc.h.
5520         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5521         remap_debug_filename): New.
5522         * Makefile.in (final.o, opts.o): Update dependencies.
5523         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5524         * configure.ac: Check for assembler --debug-prefix-map support.
5525         * configure, config.in: Regenerate.
5526         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5527         (ASM_DEBUG_SPEC): Include ASM_MAP.
5528         * doc/install.texi (--with-debug-prefix-map): Document.
5529         * doc/invoke.texi (-fdebug-prefix-map): Document.
5530         * dbxout.c (dbxout_init, dbxout_start_source_file,
5531         dbxout_source_file): Call remap_debug_filename.
5532         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5533         dwarf2out_start_source_file, dwarf2out_finish): Call
5534         remap_debug_filename.
5535         (file_table_relative_p): Do not check d->emitted_number.
5536         * toplev.c (output_file_directive): Call remap_debug_filename.
5537         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5538         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5539
5540 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5541
5542         * loop-invariant.c (find_invariants_to_move): Add missing macro
5543         argument.
5544
5545 2007-08-17  Tom Tromey  <tromey@redhat.com>
5546
5547         * tree.h (struct tree_label_decl): Removed old "java" fields.
5548
5549 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5550             Nigel Stephens  <nigel@mips.com>
5551
5552         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5553         Treat -mno-data-in-code and -mcode-xonly as aliases for
5554         -mcode-readable=no and -mcode-readable=pcrel respectively.
5555         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5556         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5557         (MULTILIB_DIRNAMES): Update accordingly.
5558
5559 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5560
5561         * Makefile.in (version.o): Depend on $(REVISION) only if
5562         REVISION_s is defined.
5563
5564 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5565             Ulrich Weigand  <uweigand@de.ibm.com>
5566
5567         PR middle-end/32970
5568         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5569         use build_qualified_type to retain qualifiers of the base type.
5570
5571 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5572
5573         * config/score/score.md : Update pattern tablejump.
5574         * config/score/score.c : Update score_initialize_trampoline 
5575         function.
5576         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5577         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5578         * doc/contrib.texi: Add my entry.
5579
5580 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5581
5582         * Makefile.in (REVISION): New.
5583         (REVISION_c): New.
5584         (REVISION_s): New.
5585         (version.o): Also depend on $(REVISION). Add
5586         -DREVISION=$(REVISION_s).
5587
5588         * version.c (version_string): Add REVISION.
5589
5590 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5591
5592         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5593         of GOTO that's relocated to a different block.
5594
5595 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5596
5597         * c-common.c (const_strip_array_types): New.
5598         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5599         (const_strip_array_types): New.
5600         * c-objc-common.c (c_disregard_inline_limits,
5601         c_warn_unused_global_decl): Constify.
5602         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5603         c_vla_type_p, c_incomplete_type_error): Likewise.
5604         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5605         * hooks.c (hook_bool_const_tree_false): New.
5606         * hooks.h (hook_bool_const_tree_false): Likewise.
5607         * langhooks-def.h (lhd_warn_unused_global_decl,
5608         lhd_incomplete_type_error, lhd_expr_size,
5609         lhd_tree_inlining_disregard_inline_limits,
5610         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5611         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5612         * langhooks.c (lhd_warn_unused_global_decl,
5613         lhd_incomplete_type_error,
5614         lhd_tree_inlining_disregard_inline_limits,
5615         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5616         lhd_expr_size): Likewise.
5617         * langhooks.h (lang_hooks_for_tree_inlining,
5618         lang_hooks_for_tree_dump, lang_hooks_for_types,
5619         lang_hooks_for_decls, lang_hooks): Likewise.
5620         * pointer-set.c (pointer_set_t, pointer_set_create,
5621         pointer_set_contains, insert_aux, pointer_set_insert,
5622         pointer_set_traverse, pointer_map_t, pointer_map_create,
5623         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5624         Likewise.
5625         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5626         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5627         pointer_map_traverse): Likewise.
5628         * predict.c (assert_is_empty): Likewise.
5629         * tree-affine.c (free_name_expansion): Likewise.
5630         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5631         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5632         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5633
5634 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5635
5636         * tree-vectorizer.c (new_loop_vec_info): Initialize new 
5637         field.
5638         (destroy_loop_vec_info): Add call to VEC_free.
5639         * tree-vectorizer.h (may_alias_ddrs): Define.
5640         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5641         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5642         Change reporting to dump.
5643         (vect_is_duplicate_ddr): New.
5644         (vect_mark_for_runtime_alias_test): New.
5645         (vect_analyze_data_ref_dependences) Add call to
5646         vect_mark_for_runtime_alias_test.
5647         (vect_enhance_data_refs_alignment): Define local variable
5648         vect_versioning_for_alias_required, don't perform
5649         peeling for alignment if versioning for alias is
5650         required.
5651         (vect_enhance_data_refs_alignment): Use
5652         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5653         PARAM_VECT_MAX_VERSION_CHECKS.
5654         * tree-vect-transform.c
5655         (vect_create_cond_for_alias_checks): New.
5656         (vect_transform_loop): Add call to
5657         vect_create_cond_for_alias_checks.
5658         (vect_vfa_segment_size): New.
5659         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5660         Rename.
5661         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5662         * gcc/doc/invoke.texi
5663         (vect-max-version-for-alignment-checks): Document.
5664         (vect-max-version-for-alias-checks): Document.
5665         (vect-max-version-checks): Remove.
5666      
5667 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5668
5669         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5670         the same line as the instruction for all asm dialects.
5671         (*rep_movsi): Ditto.
5672         (*rep_movsi_rex64): Ditto.
5673         (*rep_movqi): Ditto.
5674         (*rep_movqi_rex64): Ditto.
5675         (*rep_stosdi_rex64): Ditto.
5676         (*rep_stossi): Ditto.
5677         (*rep_stossi_rex64): Ditto.
5678         (*rep_stosqi): Ditto.
5679         (*rep_stosqi_rex64): Ditto.
5680         (*cmpstrnqi_nz_1): Ditto.
5681         (*cmpstrnqi_nz_rex_1): Ditto.
5682         (*cmpstrnqi_1): Ditto.
5683         (*cmpstrnqi_rex_1): Ditto.
5684         (*strlenqi_1): Ditto.
5685         (*strlenqi_rex_1): Ditto.
5686         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5687         prefix on the same line as the instruction for all asm dialects.
5688         (sync_double_compare_and_swap<mode>): Ditto.
5689         (*sync_double_compare_and_swapdi_pic): Ditto.
5690         (*sync_compare_and_swap_cc<mode>): Ditto.
5691         (sync_double_compare_and_swap_cc<mode>): Ditto.
5692         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5693         (sync_old_add<mode>): Ditto.
5694         (sync_add<mode>): Ditto.
5695         (sync_sub<mode>): Ditto.
5696         (sync_ior<mode>): Ditto.
5697         (sync_and<mode>): Ditto.
5698         (sync_xor<mode>): Ditto.
5699
5700 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
5701
5702         PR middle-end/32897
5703         * reload.c (find_reloads): Check that the memory returned by
5704         find_reloads_toplev was not the result of forcing a constant
5705         to memory.
5706         (find_reloads_toplev): Always use simplify_gen_subreg to get
5707         the subreg of a constant.  If the result is also a constant,
5708         but not a legitimate one, force it into the constant pool
5709         and reload its address.
5710
5711 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
5712
5713         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
5714         POPCOUNT.
5715
5716 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
5717
5718         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
5719         directive for the current vector ABI.
5720
5721 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
5722
5723         PR target/32963
5724         * caller-save.c (reg_save_code): Set invalide status on restore code.
5725         
5726 2007-08-15  Diego Novillo  <dnovillo@google.com>
5727
5728         * tree-ssa-alias.c (compute_memory_partitions): Use
5729         alias_bitmap_obstack to allocate bitmaps.
5730         (reset_alias_info): Factor out of init_alias_info.
5731         Mark all name tags not associated to an SSA name for renaming.
5732         (init_alias_info): Call it.
5733         (create_name_tags): Tidy.  Add comments.
5734         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
5735
5736 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
5737
5738         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
5739         scheduler dependencies.
5740
5741 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5742
5743         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
5744         "register_operand".
5745         (*iorsi_1_zext): Likewise.
5746         (*iorsi_1_zext_imm): Likewise.
5747         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
5748         with "rm"/"xm" constraint.
5749         (sse2_vmsqrtv2df2): Likewise.
5750
5751 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
5752
5753         PR middle-end/33074
5754         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5755         REG_LIBCALL note.
5756
5757 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
5758
5759         * tree-pass.h (PROP_pta): Removed.
5760         (TODO_rebuild_alias): New.
5761         (pass_may_alias): Removed.
5762         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
5763         aliasing if we changed something.
5764         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
5765         SSA internally.
5766         (pass_may_alias): Removed.
5767         (create_structure_vars): Return TODO_rebuild_alias.
5768         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
5769         * tree-sra.c (tree_sra): Only rebuild aliasing if something
5770         changed.
5771         (tree_sra_early): We never affect aliasing right now.
5772         * tree-flow.h (compute_may_aliases): New prototype.
5773         * passes.c: Remove pass_may_alias from the passes.
5774         (execute_function_todo): Support TODO_rebuild_alias.    
5775
5776 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
5777
5778         * i386.c: (legitimize_address): Move dllimported variable check
5779         infront of legitimizing pic address of CONST symbols.
5780
5781 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
5782
5783         PR tree-optimization/32941
5784         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
5785         (goto_queue_cmp): Remove.
5786         (find_goto_replacement): Change search method.
5787         (maybe_record_in_goto_queue): Add assert.
5788         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
5789         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
5790
5791 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5792
5793         * alias.c (component_uses_parent_alias_set): Constify.
5794         * alias.h (component_uses_parent_alias_set): Likewise.
5795         * cfgrtl.c (print_rtl_with_bb): Likewise.
5796         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
5797         mpz_get_double_int): Likewise.
5798         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
5799         mpz_get_double_int): Likewise.
5800         * expr.c (is_aligning_offset, undefined_operand_subword_p,
5801         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
5802         Likewise.
5803         * expr.h (safe_from_p): Likewise.
5804         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
5805         Likewise.
5806         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
5807         zero_sized_type, goa_lhs_expr_p): Likewise.
5808         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
5809         * rtl.h (print_rtl_with_bb): Likewise.
5810         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
5811         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
5812         * tree-flow-inline.h (bb_stmt_list): Constify.
5813         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
5814         cbsi_stmt): New.
5815         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
5816         const_first_stmt, const_last_stmt): New.
5817         (block_may_fallthru, empty_block_p): Constify.
5818         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
5819         EXPR_ONLY_BODY): New.
5820         (expr_first, expr_last, expr_only): Use macro for body.
5821         (const_expr_first, const_expr_last, const_expr_only): New.
5822         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
5823         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
5824         ctsi_prev, ctsi_stmt): New.
5825         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
5826         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
5827         * tree-ssa-loop-niter.c (loop_only_exit_p,
5828         derive_constant_upper_bound): Likewise.
5829         * tree-ssa-phiopt.c (empty_block_p): Likewise.
5830         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
5831         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
5832         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
5833         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
5834         * tree.c (get_type_static_bounds): Likewise.
5835         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
5836         (get_type_static_bounds): Constify.
5837
5838 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5839
5840         PR target/30315
5841         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
5842         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
5843         (*<addsub><mode>3_cc_overflow): New.
5844         (*add<mode>3_cconly_overflow): New.
5845         (*sub<mode>3_cconly_overflow): New.
5846         (*<addsub>si3_zext_cc_overflow): New.
5847         * config/i386/predicates.md (fcmov_comparison_operator): Accept
5848         CCCmode for LTU, GTU, LEU and GEU.
5849         (ix86_comparison_operator): Likewise.
5850         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
5851         * config/i386/i386.c (put_condition_code): Support CCCmode.
5852         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
5853         or MINUS expressions.
5854
5855 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
5856
5857         PR c/30428
5858         * c-typeck.c (build_binary_op): Disallow vector float types with
5859         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
5860
5861 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
5862
5863         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
5864         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
5865         (dep_def): New typedef.
5866         (init_dep_1, sd_debug_dep): Declare functions.
5867         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
5868         (debug_dep_links): Remove.
5869         (struct _deps_list): New field 'n_links'.
5870         (DEPS_LIST_N_LINKS): New macro.
5871         (FOR_EACH_DEP_LINK): Remove.
5872         (create_deps_list, free_deps_list, delete_deps_list): Remove
5873         declaration.
5874         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5875         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5876         (copy_deps_list_change_con, move_dep_link): Ditto.
5877         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
5878         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
5879         'dep_count'.
5880         (INSN_BACK_DEPS): Remove.
5881         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
5882         New macros.
5883         (INSN_DEP_COUNT): Remove.
5884         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
5885         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
5886         Declare global variables.
5887         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
5888         (add_forw_dep, compute_forward_dependences): Remove declarations.
5889         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
5890         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5891         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
5892         functions.
5893         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
5894         New constants.
5895         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
5896         (sd_list_types_def): New typedef.
5897         (sd_next_list): Declare function.
5898         (struct _sd_iterator): New type.
5899         (sd_iterator_def): New typedef.
5900         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
5901         functions.
5902         (FOR_EACH_DEP): New cycle wrapper.
5903         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
5904         Declare functions.
5905         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
5906         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
5907         Ditto.
5908
5909         * sched-deps.c (init_dep_1): Make global.
5910         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
5911         constants.
5912         (dump_dep): New static function.
5913         (dump_dep_flags): New static variable.
5914         (sd_debug_dep): New function.
5915         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
5916         the list.
5917         (move_dep_link): Use remove_from_deps_list (), instead of
5918         detach_dep_link ().
5919         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
5920         (dep_link_is_detached_p): New static function.
5921         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
5922         instead.
5923         (dn_pool, dl_pool): New alloc_pools.
5924         (dn_pool_diff, dl_pool_diff): New static variables.
5925         (create_dep_node, delete_dep_node): New static function.
5926         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
5927         (deps_list_empty_p): Make it static.  Use 'n_links' field.
5928         (deps_pools_are_empty_p): New static function.
5929         (alloc_deps_list, delete_deps_list): Remove.
5930         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
5931         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5932         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
5933         (forward_dependency_cache): Remove.
5934         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
5935         'back' from the names.  Change signature to use dep_t instead of
5936         equivalent quad.
5937         (add_back_dep): Ditto.  Make global.
5938         (check_dep_status): Rename to check_dep ().
5939         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
5940         New functions.
5941         (sd_finish_insn): Ditto.
5942         (sd_find_dep_between_no_cache): New static function.
5943         (sd_find_dep_between): New function.
5944         (ask_dependency_caches, set_dependency_caches): New static functions.
5945         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
5946         (add_or_update_dep_1): Separate pieces of functionality into
5947         ask_dependency_caches (), update_dependency_caches (),
5948         change_spec_dep_to_hard (), update_dep ().
5949         (get_back_and_forw_lists): New static function.
5950         (sd_add_dep): Separate setting of dependency caches into
5951         set_dependency_caches ().
5952         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
5953         New functions.
5954         (sd_delete_dep): Ditto.
5955         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
5956         (dump_lists): New static function.
5957         (sd_debug_lists): New debug function.
5958         (delete_all_dependences, fixup_sched_groups): Update to use
5959         sd_* infrastructure.
5960         (sched_analyze_2): Create data-speculative dependency only if
5961         data-speculation is enabled.
5962         (sched_analyze_insn): If insn cannot be speculative, make all its
5963         dependencies non-speculative.
5964         (sched_analyze): Use sd_init_insn ().
5965         (add_forw_dep, compute_forward_dependencies): Remove.
5966         (delete_dep_nodes_in_back_deps): New static function.
5967         (sched_free_deps): New function.
5968         (init_dependency_caches): Init alloc_pools.
5969         (extend_depedency_caches): Update after removing of
5970         forward_dependency_cache.
5971         (free_dependency_caches): Ditto.  Free alloc_pools.
5972         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
5973         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
5974         Ditto.
5975         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5976         (add_dependence): Use init_dep ().
5977         (get_dep_weak_1): New static function.
5978         (get_dep_weak): Move logic to get_dep_weak_1 ().
5979         (dump_ds): New static function moved from haifa-sched.c:
5980         debug_spec_status ().
5981         (debug_ds): New debug function.
5982         (check_dep_status): Rename to check_dep ().  Update to check whole
5983         dependencies.
5984
5985         * haifa-sched.c (spec_info): Make global.
5986         (added_recovery_block_p): Rename to
5987         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
5988         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
5989         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
5990         to use new interfaces.
5991         (ok_for_early_queue_removal): Ditto.
5992         (schedule_block): Initialize logical uids of insns emitted by the
5993         target.
5994         (sched_init): Initialize new variable.
5995         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5996         interfaces.
5997         (extend_global): Initialize insn data.
5998         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
5999         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
6000         new interfaces.
6001         (add_to_speculative_block): Update to use new interfaces.
6002         (create_recovery_block): Set new variables.
6003         (create_check_block_twin, fix_recovery_deps): Update to use new
6004         interfaces.
6005         (sched_insn_is_legitimate_for_speculation_p): New function.
6006         (speculate_insn): Move checking logic to
6007         sched_insn_is_legitimate_for_speculation_p ().
6008         (sched_remove_insn): Finalize sched-deps information of instruction.
6009         (clear_priorities, add_jump_dependencies): Update to use new
6010         interfaces.
6011         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
6012         
6013         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
6014         to use new interfaces.
6015         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6016         (new_ready): Try to use control speculation only if it is available.
6017         (add_branch_dependences): Update to use new interfaces.
6018         (compute_block_backward_dependences): Rename to
6019         compute_block_dependences ().  Call
6020         targetm.sched.dependencies_evaluation_hook ().
6021         (free_block_dependencies): New static function.
6022         (debug_dependencies): Update to use new interfaces.
6023         (schedule_region): Remove separate computation of forward dependencies.
6024         Move call of targetm.sched.dependencies_evaluation_hook () to
6025         compute_block_dependences ().  Free dependencies at the end of
6026         scheduling the region.
6027
6028         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6029         new interfaces.
6030         (add_deps_for_risky_insns): Ditto.
6031         (schedule_ebb): Remove separate computation of forward dependencies.
6032         Free dependencies at the end of scheduling the ebb.
6033
6034         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6035         (build_intra_loop_deps): Ditto.  Remove separate computation of
6036         forward dependencies.  Free sched-deps dependencies.
6037
6038         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6039         to use new interfaces.
6040         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6041
6042         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6043         new interfaces.
6044         (is_costly_group): Ditto.
6045
6046 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6047
6048         * alias.c (rtx_equal_for_memref_p): Constify.
6049         * basic-block.h (const_edge, const_basic_block): New.
6050         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6051         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6052         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6053         probably_never_executed_bb_p, edge_probability_reliable_p,
6054         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6055         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6056         Likewise.
6057         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6058         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6059         Likewise.
6060         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6061         flow_nodes_print, dfs_enumerate_from): Likewise.
6062         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6063         control_flow_insn_p, count_basic_blocks): Likewise.
6064         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6065         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6066         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6067         average_num_loop_insns, loop_exit_edge_p,
6068         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6069         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6070         average_num_loop_insns, seq_cost): Likewise.
6071         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6072         * dominance.c (dominated_by_p): Likewise.
6073         * emit-rtl.c (validate_subreg): Likewise.
6074         * except.c (can_throw_internal, can_throw_external): Likewise.
6075         * except.h (can_throw_internal, can_throw_external): Likewise.
6076         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6077         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6078         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6079         simple_mem, store_ops_ok, load_kills_store, find_loads,
6080         store_killed_in_insn, store_killed_after, store_killed_before,
6081         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6082         Likewise.
6083         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6084         noce_mem_write_may_trap_or_fault_p): Likewise.
6085         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6086         Likewise.
6087         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6088         Likewise.
6089         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6090         probably_cold_bb_p, probably_never_executed_bb_p,
6091         edge_probability_reliable_p, br_prob_note_reliable_p,
6092         can_predict_insn_p): Likewise.
6093         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6094         * resource.c (return_insn_p): Likewise.
6095         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6096         Likewise.
6097         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6098         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6099         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6100         verify_gimple_modify_stmt): Likewise.
6101         * tree-chrec.c (is_not_constant_evolution,
6102         is_multivariate_chrec_rec, is_multivariate_chrec,
6103         chrec_contains_symbols, chrec_contains_undetermined,
6104         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6105         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6106         eq_evolutions_p, scev_direction): Likewise.
6107         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6108         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6109         chrec_contains_symbols_defined_in_loop,
6110         chrec_contains_undetermined, tree_contains_chrecs,
6111         evolution_function_is_affine_multivariate_p,
6112         evolution_function_is_univariate_p, chrec_zerop,
6113         evolution_function_is_constant_p, evolution_function_is_affine_p,
6114         evolution_function_is_affine_or_constant_p,
6115         tree_does_not_contain_chrecs, chrec_type): Likewise.
6116         * tree-data-ref.c (tree_fold_divides_p,
6117         object_address_invariant_in_loop_p, dr_may_alias_p,
6118         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6119         same_access_functions, constant_access_functions,
6120         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6121         Likewise.
6122         * tree-flow.h (scev_direction): Likewise.
6123         * tree-gimple.c (is_gimple_stmt): Likewise.
6124         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6125         Likewise.
6126         * tree-pretty-print.c (op_prio): Likewise.
6127         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6128         analyzable_condition, backedge_phi_arg_p): Likewise.
6129         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6130         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6131         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6132         Likewise.
6133
6134 2007-08-13  Dan Hipschman  <dsh@google.com>
6135
6136         PR c/32953
6137         * c-format.c (check_format_arg): Move check for zero-length
6138         format strings below the check for unterminated strings.
6139
6140 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6141
6142         PR C/30427
6143         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6144         types.
6145
6146 2007-08-13  Nick Clifton  <nickc@redhat.com>
6147
6148         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6149
6150 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6151
6152         PR fortran/32860
6153         * c-format.c (gcc_gfc_length_specs): New array.
6154         (gcc_gfc_char_table): Add unsigned specifier, and references to
6155         the l length modifier.
6156         (format_types_orig): Use the new gcc_gfc_length_specs.
6157
6158 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6159
6160         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6161         and with REG_RETVAL note after split.
6162
6163 2007-08-11  David Daney  <ddaney@avtrex.com>
6164
6165         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6166         as ATTRIBUTE_UNUSED.
6167
6168 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6169             Segher Boessenkool  <segher@kernel.crashing.org>
6170
6171         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6172         HAVE_LOCAL_CPU_DETECT not defined.
6173
6174 2007-08-11  Jan Hubicka  <jh@suse.cz>
6175
6176         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6177         (cgraph_process_new_functions): Honor previous value of
6178         disregard_inline_limits.
6179         * ipa-inline.c (compute_inline_parameters): Likewise.
6180
6181 2007-08-11  Ian Lance Taylor  <iant@google.com>
6182
6183         * alias.h (alias_set_type): Define new type.
6184         (ALIAS_SET_MEMORY_BARRIER): Use it.
6185         * rtl.h: Include alias.h.
6186         (struct mem_attrs): Use alias_set_type.
6187         * tree.h: Include alias.h
6188         (struct tree_type): Use alias_set_type.
6189         (struct tree_struct_field_tag): Likewise.
6190         (struct tree_decl_common): Likewise.
6191         * alias.c (struct alias_set_entry): Use alias_set_type.
6192         (get_alias_set_entry, alias_set_subset_of): Likewise.
6193         (alias_sets_conflict_p): Likewise.
6194         (alias_sets_must_conflict_p): Likewise.
6195         (objects_must_conflict_p): Likewise.
6196         (get_alias_set, new_alias_set): Likewise.
6197         (record_alias_subset, record_component_aliases): Likewise.
6198         (varargs_set, frame_set): Change to alias_set_type.
6199         (get_varargs_alias_set): Use alias_set_type.
6200         (get_frame_alias_set): Likewise.
6201         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6202         * dse.c (struct store_info): Use alias_set_type.
6203         (struct read_info, struct clear_alias_mode_holder): Likewise.
6204         (clear_alias_set_lookup, canon_address): Likewise.
6205         (record_store, check_mem_read_rtx): Likewise.
6206         (dse_record_singleton_alias_set): Likewise.
6207         (dse_invalidate_singleton_alias_set): Likewise.
6208         * emit-rtl.c (get_mem_attrs): Likewise.
6209         (set_mem_attributes_minus_bitpos): Likewise.
6210         (set_mem_alias_set): Likewise.
6211         * expr.c (store_constructor_field, store_field): Likewise.
6212         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6213         * langhooks.c (lhd_get_alias_set): Likewise.
6214         * langhooks-def.h (lhd_get_alias_set): Likewise.
6215         * reload1.c (alter_reg): Likewise.
6216         * tree-flow.h (struct fieldoff): Likewise.
6217         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6218         (may_alias_p, get_smt_for, create_sft): Likewise.
6219         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6220         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6221         (merge_smts_into): Likewise.
6222         * varasm.c (const_alias_set): Likewise.
6223         * c-common.c (strict_aliasing_warning): Likewise.
6224         (c_common_get_alias_set): Likewise.
6225         * dse.h (dse_record_singleton_alias_set): Update declaration.
6226         (dse_invalidate_singleton_alias_set): Likewise.
6227         * emit-rtl.h (set_mem_alias_set): Likewise.
6228         * c-common.h (c_common_get_alias_set): Likewise.
6229         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6230         * print-tree.c (print_node): Likewise.
6231         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6232         alias_set_type.
6233         (alpha_setup_incoming_varargs): Use alias_set_type.
6234         * config/i386/i386.c (setup_incoming_varargs_64): Use
6235         alias_set_type.
6236         (setup_incoming_varargs_ms_64): Likewise.
6237         (ix86_GOT_alias_set): Likewise.
6238         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6239         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6240         (set): Change to alias_set_type.
6241         (get_TOC_alias_set): Use alias_set_type.
6242         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6243         declaration.
6244         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6245         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6246         alias_set_type.
6247         (struct_value_alias_set): Likewise.
6248         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6249
6250 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6251
6252         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6253         * config/vxworks.h (TARGET_VXWORKS): Override.
6254         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6255         "mips" if TARGET_VXWORKS.
6256
6257 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6258
6259         * calls.c (avoid_likely_spilled_reg): New function.
6260         (expand_call): Use it.
6261
6262 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6263
6264         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6265
6266 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6267
6268         * config/mips/predicates.md (const_call_insn_operand): Invoke
6269         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6270
6271 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6272
6273         PR target/33042
6274         * config/rs6000/driver-rs6000.c: Include link.h.
6275         Use ElfW instead of wordsize-specif typedef.
6276
6277 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6278
6279         * system.h (CONST_CAST): New.
6280         * c-decl.c (c_make_fname_decl): Use it.
6281         * c-lex.c (cb_ident, lex_string): Likewise.
6282         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6283         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6284         give_switch, set_multilib_dir): Likewise.
6285         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6286         * passes.c (execute_one_pass): Likewise.
6287         * prefix.c (update_path): Likewise.
6288         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6289         * tree.c (build_string): Likewise.
6290
6291 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6292
6293         * tree-flow-inline.h (is_exec_stmt): Remove.
6294         (is_label_stmt): Remove.
6295         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6296         is_label_stmt.
6297
6298 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6299
6300         * lower-subreg.c (resolve_shift_zext): Don't adjust
6301         src_reg_num for wordmode operands.
6302
6303 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6304             David Ung  <davidu@mips.com>
6305
6306         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6307         (TARGET_SCHED_REORDER2): Define.
6308         (mips_maybe_swap_ready): New.
6309         (mips_last_74k_agen_insn): New.
6310         (mips_74k_agen_init): New.
6311         (mips_74k_agen_reorder): New function to group loads and stores
6312         in the ready queue.
6313         (mips_sched_init): New.  
6314         (mips_sched_reorder): Don't do initialization here.  Call
6315         mips_74k_agen_reorder.
6316         (mips_variable_issue): Call mips_74k_agen_init.
6317
6318 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6319
6320         * tree-flow-inline.h (get_filename): Remove.
6321
6322 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6323
6324         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6325         argument.
6326         (mips_fetch_insns): Delete in favor of...
6327         (mips_load_store_insns): ...this new function.
6328         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6329         to say whether multiword moves _might_ be split.
6330         (mips_fetch_insns): Delete in favor of...
6331         (mips_load_store_insns): ...this new function.
6332         (mips_rtx_costs): Update the call to mips_address_insns.
6333         (mips_address_cost): Likewise.
6334         * config/mips/mips.md (length): Use mips_load_store_insns instead
6335         of mips_fetch_insns.
6336         * config/mips/constraints.md (R): Use mips_address_insns rather
6337         than mips_fetch_insns.  Assume that the move never needs to be split.
6338
6339 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6340
6341         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6342         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6343         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.  
6344         * config/mips/mips.h (mips16_hard_float): Delete.
6345         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6346         definitions, and replace with....
6347         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6348         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6349         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6350         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6351         (override_options): Replace MASK_SOFT_FLOAT references with
6352         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6353         and mips16_hard_float when TARGET_MIPS16.
6354         
6355 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6356
6357         PR c/32796
6358         * c-typeck.c (build_binary_op): Check for non pointer types before
6359         calling int_fits_type_p.
6360
6361 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6362
6363         PR middle-end/32813
6364         * fold-const.c (omit_one_operand): Return only the ommitted expression
6365         if the result is an empty statement.
6366         (pedantic_omit_one_operand): Likewise.
6367
6368 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6369
6370         * c-typeck.c (readonly_error): Improve error for assignment.
6371         
6372         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6373         expression. 
6374         (pp_c_expression): Ditto.
6375
6376 2007-08-09  Simon Baldwin  <simonb@google.com>
6377
6378         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6379         break that was preventing simplify_associative_operation() for xor.
6380
6381 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6382             Nigel Stephens  <nigel@mips.com>
6383
6384         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6385         Document change in interpretation of value from boolean to
6386         tri-state integer.
6387         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6388         ffs and ctz using clz.
6389         (expand_unop): Call them.
6390         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6391         result value.
6392         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6393         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6394         enable the new ffs expansion on this target.
6395
6396 2007-08-09  Jan Hubicka  <jh@suse.cz>
6397
6398         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6399         (expand_ternary_op): Likewise.
6400         (expand_vec_shift_expr): Likewise.
6401         (expand_binop_directly): Likewise.
6402         (expand_binop): Likewise.
6403         (sign_expand_binop): Likewise.
6404         (expand_twoval_unop): Likewise.
6405         (expand_twoval_binop): Likewise.
6406         (expand_twoval_binop_libfunc): Likewise.
6407         (widen_clz): Likewise.
6408         (widen_bswap): Likewise.
6409         (expand_parity): Likewise.
6410         (expand_unop): Likewise.
6411         (expand_abs_nojump): Likewise.
6412         (expand_copysign): Likewise.
6413         (emit_no_conflict_block): Likewise.
6414         (emit_libcall_block): Likewise.
6415         (can_compare_p): Likewise.
6416         (prepare_cmp_insn): Likewise.
6417         (emit_cmp_and_jump_insn_1): Likewise.
6418         (prepare_float_lib_cmp): Likewise.
6419         (emit_conditional_add): Likewise.
6420         (gen_add2_insn): Likewise.
6421         (have_add2_insn): Likewise.
6422         (gen_sub2_insn): Likewise.
6423         (have_sub2_insn): Likewise.
6424         (can_extend_p): Likewise.
6425         (can_fix_p): Likewise.
6426         (can_float_p): Likewise.
6427         (expand_float): Likewise.
6428         (expand_fix): Likewise.
6429         (expand_sfix_optab): Likewise.
6430         (new_optab): Likewise.
6431         (new_convert_optab): Likewise.
6432         (init_libfuncs): Likewise.
6433         (init_interclass_conv_libfuncs): Likewise.
6434         (init_intraclass_conv_libfuncs): Likewise.
6435         (set_conv_libfunc): Likewise.
6436         (init_optabs): Likewise.
6437         (debug_optab_libfuncs): Likewise.
6438         (gen_cond_trap): Likewise.
6439         * optabs.h (optab_handler, convert_optab_hanlder): New.
6440         * genopinit.c: Update optabs generation table.
6441         * reload.c (find_reloads_address_1): Use optabs accestors.
6442         * builtins.c (expand_builtin_mathfn): Likewise.
6443         (expand_builtin_mathfn_2): Likewise.
6444         (expand_builtin_mathfn_3): Likewise.
6445         (expand_builtin_interclass_mathfn): Likewise.
6446         (expand_builtin_sincos): Likewise.
6447         (expand_builtin_cexpi): Likewise.
6448         (expand_builtin_powi): Likewise.
6449         (expand_builtin_strlen): Likewise.
6450         * dojump.c (do_jump): Likewise.
6451         * expr.c (convert_move): Likewise.
6452         (move_by_pieces): Likewise.
6453         (move_by_pieces_ninsns): Likewise.
6454         (can_store_by_pieces): Likewise.
6455         (store_by_pieces_1): Likewise.
6456         (emit_move_via_integer): Likewise.
6457         (emit_move_complex): Likewise.
6458         (emit_move_ccmode): Likewise.
6459         (emit_move_insn_1): Likewise.
6460         (emit_single_push_insn): Likewise.
6461         (store_constructor): Likewise.
6462         (expand_expr_real_1): Likewise.
6463         (do_store_flag): Likewise.
6464         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6465         (enumerate_modes): Likewise.
6466         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6467         (supportable_widening_operation): Likewise.
6468         (supportable_narrowing_operation): Likewise.
6469         * expmed.c (store_bit_field_1): Likewise.
6470         (extract_bit_field_1): Likewise.
6471         (expand_mult_highpart_optab): Likewise.
6472         (expand_smod_pow2): Likewise.
6473         (expand_divmod): Likewise.
6474         (emit_store_flag): Likewise.
6475         * tree-vect-patterns.c
6476         (vect_pattern_recog_1): Likewise.
6477         * tree-ssa-loop-prefetch.c
6478         (nontemporal_store_p): Likewise.
6479         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6480         (vect_create_epilog_for_reduction): Likewise.
6481         (vectorizable_reduction): Likewise.
6482         (vectorizable_operation): Likewise.
6483         (vect_strided_store_supported): Likewise.
6484         (vectorizable_store): Likewise.
6485         (vect_strided_load_supported): Likewise.
6486         (vectorizable_load): Likewise.
6487         * combine.c (simplify_comparison): Likewise.
6488         * tree-vect-generic.c
6489         (type_for_widest_vector_mode): Likewise.
6490         (expand_vector_operations_1): Likewise.
6491         * config/spu/spu.c (spu_expand_mov): Likewise.
6492         (spu_emit_vector_compare): Likewise.
6493         * config/rs6000/rs6000.c
6494         (rs6000_emit_vector_compare): Likewise.
6495         * stmt.c (add_case_node): Likewise.
6496         * reload1.c (gen_reload):
6497
6498 2007-08-09  Michael Matz  <matz@suse.de>
6499
6500         * tree.h (fixed_zerop): Declare as taking a const_tree.
6501         * tree.c (fixed_zerop): Take a const_tree.
6502
6503 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6504
6505         * tree-vect-transform.c (vectorizable_store): Remove call to
6506         copy_virtual_operands() and call mark_symbols_for_renaming() for
6507         the created vector store.
6508         (vect_setup_realignment): Don't call copy_virtual_operands() and
6509         update_vuses_to_preheader(). 
6510         (vectorizable_load): Don't call copy_virtual_operands(). 
6511         (update_vuses_to_preheader): Remove.
6512
6513 2007-08-08  Chao-ying Fu  <fu@mips.com>
6514
6515         * tree.def (FIXED_POINT_TYPE): New type.
6516         (FIXED_CST): New constant.
6517         (FIXED_CONVERT_EXPR): New expr.
6518         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6519         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6520         * tree.h (struct tree_base): Add saturating_flag.
6521         Remove one bit of spare for saturating_flag.
6522         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6523         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6524         FIXED_POINT_TYPE_P): Define.
6525         (TYPE_SATURATING): Define.
6526         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6527         (struct tree_fixed_cst): New.
6528         (TYPE_IBIT, TYPE_FBIT): Define.
6529         (tree_node): Add fixed_cst.
6530         (enum tree_index): Add new enumeration values of
6531         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6532         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6533         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6534         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6535         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6536         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6537         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6538         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6539         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6540         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6541         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6542         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6543         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6544         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6545         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6546         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6547         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6548         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6549         (sat_short_fract_type_node, sat_fract_type_node,
6550         sat_long_fract_type_node, sat_long_long_fract_type_node,
6551         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6552         sat_unsigned_long_fract_type_node,
6553         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6554         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6555         unsigned_short_fract_type_node, unsigned_fract_type_node,
6556         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6557         sat_short_accum_type_node, sat_accum_type_node,
6558         sat_long_accum_type_node, sat_long_long_accum_type_node,
6559         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6560         sat_unsigned_long_accum_type_node,
6561         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6562         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6563         unsigned_short_accum_type_node, unsigned_accum_type_node,
6564         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6565         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6566         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6567         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6568         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6569         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6570         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6571         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6572         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6573         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6574         sat_uda_type_node, sat_uta_type_node): New macro.
6575         (make_fract_type, make_accum_type): Declare.
6576         (make_signed_fract_type, make_unsigned_fract_type,
6577         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6578         make_signed_accum_type, make_unsigned_accum_type,
6579         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6580         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6581         make_or_reuse_sat_signed_fract_type,
6582         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6583         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6584         make_or_reuse_sat_unsigned_accum_type): New macro.
6585         (fixed_zerop): Declare.
6586         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6587         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6588         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6589         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6590         * treestruct.def: Add TS_FIXED_CST.
6591         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6592         (tree.o): Likewise.
6593         (tree-dump.o): Likewise.
6594         (print-tree.o): Likewise.
6595         (tree-pretty-print.o): Likewise.
6596         (fold-const.o): Likewise.
6597         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6598         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6599         (is_gimple_min_invariant): Handle FIXED_CST.
6600         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6601         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6602         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6603         (layout_type): Handle FIXED_POINT_TYPE.
6604         (make_fract_type, make_accum_type): New functions.
6605         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6606         * tree-dump.c (fixed-value.h): New include.
6607         (dump_fixed): New function.
6608         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6609         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6610         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6611         * tree-pretty-print.c (fixed-value.h): New include.
6612         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6613         FIXED_CONVERT_EXPR.
6614         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6615         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6616         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6617         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6618         for non-saturating fixed-point types.
6619         (reassociate_bb): Likewise.
6620         * emit-rtl.c (fixed-value.h): New include.
6621         (fconst0, fconst1): New array.
6622         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6623         * tree-vect-generic.c expand_vector_operation): Support
6624         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6625         MODE_VECTOR_UACCUM.
6626         (type_for_widest_vector_mode): Add one parameter for the 
6627         saturating flag.
6628         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6629         vector mode.
6630         Pass the satp parameter to type_for_mode for fixed-point types.
6631         (expand_vector_operations_1): Pass the saturating flag to
6632         type_for_widest_vector_mode.
6633         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6634         and MODE_VECTOR_UACCUM.
6635         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6636         (vectorizable_condition): Likewise.
6637         * tree.c (fixed-value.h): New include.
6638         (tree_code_size): Support FIXED_CST.
6639         (build_fixed): New function.
6640         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6641         (fixed_zerop): New function.
6642         (tree_node_structure): Support FIXED_CST.
6643         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6644         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6645         (type_hash_eq): Handle FIXED_POINT_TYPE.
6646         (simple_cst_equal): Support FIXED_CST.
6647         (iterative_hash_expr): Handle FIXED_CST.
6648         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6649         (get_narrower): Likewise.
6650         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6651         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6652         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6653         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6654         nodes.
6655         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6656         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6657         (initializer_zerop): Support FIXED_CST.
6658         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6659         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6660         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6661         (is_base_type): Handle FIXED_POINT_TYPE.
6662         (add_type_attribute): Handle FIXED_POINT_TYPE.
6663         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6664         * print-tree.c (fixed-value.h): New include.
6665         (print_node_brief): Support FIXED_CST.
6666         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6667         * c-pretty-print.c (fixed-value.h): New include.
6668         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6669         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6670         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6671         Support fixed-point types for inner items in VECTOR_TYPE.
6672         (pp_c_direct_declarator): Likewise.
6673         (pp_c_declarator): Likewise.
6674         (pp_c_fixed_constant): New function.
6675         (pp_c_constant): Handle FIXED_CST.
6676         (pp_c_primary_expression): Likewise.
6677         (pp_c_expression): Likewise.
6678         * fold-const.c (fixed-value.h): New include.
6679         (negate_expr_p): Return true for FIXED_CST.
6680         (fold_negate_expr): Support FIXED_CST.
6681         (split_tree): Support FIXED_CST.
6682         (const_binop): Support FIXED_CST.
6683         (fold_convert_const_int_from_fixed): New function to convert from
6684         fixed to int.
6685         (fold_convert_const_real_from_fixed): New function to convert from
6686         fixed to real.
6687         (fold_convert_const_fixed_from_fixed): New function to convert from
6688         fixed to another fixed.
6689         (fold_convert_const_fixed_from_int): New function to convert from
6690         int to fixed.
6691         (fold_convert_const_fixed_from_real): New function to convert from
6692         real to fixed.
6693         (fold_convert_const): Support conversions from fixed to int, from
6694         fixed to real, from fixed to fixed, from int to fixed, and from real
6695         to fixed.
6696         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
6697         (operand_equal_p): Support FIXED_CST.
6698         (make_range): For fixed-point modes, we need to pass the
6699         saturating flag as the 2nd parameter.
6700         (tree_swap_operands_p): Handle FIXED_CST.
6701         (fold_plusminus_mult_expr): For fract modes, we cannot generate
6702         constant 1.
6703         (fold_unary): Support FIXED_CONVERT_EXPR.
6704         (fold_binary): Handle FIXED_CST.
6705         Make sure the type is not saturating, before associating operations.
6706         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
6707         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
6708         (fold_negate_const): Support FIXED_CST.
6709         (fold_relational_const): Support FIXED_CST.
6710         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
6711         (gimplify_expr): Handle FIXED_CST.
6712         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
6713         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
6714         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
6715         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
6716         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6717         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6718         LONG_LONG_ACCUM_TYPE_SIZE.
6719         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
6720         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
6721         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
6722         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
6723         MODE_ACCUM, and MODE_UACCUM.
6724         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
6725         fixed-point types to disable reduction.
6726         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
6727
6728 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
6729
6730         * config/rs6000/x-rs6000: New file.
6731         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
6732         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
6733         (EXTRA_SPEC_FUNCTIONS): Define.
6734         (HAVE_LOCAL_CPU_DETECT): Define.
6735         (CC1_CPU_SPEC): Define.
6736         * config/rs6000/driver-rs6000.c: New file.
6737         * config/rs6000/aix.h (CC1_SPEC): Define.
6738         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
6739         * config.host: Add x-rs6000 to host_xmake_file if host and target
6740         are rs6000 or powerpc.
6741
6742 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
6743
6744         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
6745
6746 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6747             Sandra Loosemore  <sandra@codesourcery.com>
6748             Chao-ying Fu  <fu@mips.com>
6749             Nigel Stephens  <nigel@mips.com>
6750             David Ung  <davidu@mips.com>
6751
6752         * doc/invoke.texi (-mcode-readable): Document.
6753         * config/mips/mips.opt (mcode-readable): New option.
6754         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
6755         * config/mips/mips.h (mips_code_readable_setting): New enum.
6756         (mips_code_readable): Declare.
6757         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
6758         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
6759         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
6760         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
6761         boiler-plate comments.
6762         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6763         * config/mips/mips.c (mips_code_readable): New variable.
6764         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
6765         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
6766         context and -mcode-readable setting to restrict the use of
6767         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
6768         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
6769         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
6770         (mips_blocks_for_constant_p): Only return false for
6771         TARGET_MIPS16_PCREL_LOADS.
6772         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
6773         for MIPS16.  Handle SYMBOL_32_HIGH.
6774         (mips_const_insns): Allow HIGHs for MIPS16 too.
6775         (mips_unspec_address_offset): New function, split out from...
6776         (mips_unspec_address): ...here.
6777         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
6778         16-bit symbolic constants.  Assert approropiate conditions for
6779         using the "la" and "dla" macros.
6780         (mips_handle_option): Handle -mcode-readable=.
6781         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
6782         Set up mips_lo_relocs[SYMBOL_32_HIGH].
6783         (mips_strip_unspec_address): New function, split out from...
6784         (print_operand_reloc): ...here.
6785         (print_operand): Pass constants through mips_strip_unspec_address.
6786         (print_operand_address): Likewise.
6787         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
6788         (mips_select_rtx_section): Remove MIPS16 handling.
6789         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
6790         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
6791         (mips16_lay_out_constants): Do nothing unless
6792         TARGET_MIPS16_PCREL_LOADS.
6793         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
6794         * config/mips/mips.md: Split HIGHs for MIPS16.
6795         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6796
6797 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6798
6799         * config/mips/mips-protos.h (mips_emit_move): Declare.
6800         * config/mips/mips.c (mips_emit_move): New function.
6801         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
6802         (mips_legitimize_const_move): Likewise.
6803         (mips_legitimize_move): Likewise.
6804         (mips_split_64bit_move): Likewise.
6805         (mips_restore_gp): Likewise.
6806         (mips_load_call_address): Likewise.
6807         (mips_emit_fcc_reload): Likewise.
6808         (mips_set_return_address): Likewise.
6809         (mips_block_move_straight): Likewise.
6810         (mips_block_move_loop): Likewise.
6811         (mips_setup_incoming_varargs): Likewise.
6812         (mips_save_reg): Likewise.
6813         (mips_expand_prologue): Likewise.
6814         (mips_restore_reg): Likewise.
6815         (mips_expand_epilogue): Likewise.
6816         (mips_output_mi_thunk): Likewise.
6817         (build_mips16_call_stub): Likewise.
6818         (mips_builtin_branch_and_move): Likewise.
6819         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
6820         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
6821         (fixuns_truncdfdi2): Likewise.
6822         (fixuns_truncsfsi2): Likewise.
6823         (fixuns_truncsfdi2): Likewise.
6824         (loadgp_absolute): Likewise.
6825         (builtin_setjmp_setup): Likewise.
6826         (builtin_longjmp): Likewise.
6827         (untyped_call): Likewise.
6828
6829 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6830
6831         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
6832         an "rtx *" argument.  Return a bool.
6833         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
6834         values and return true if they can be split.  Take the same kind of
6835         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
6836         and store the lo_sum there if nonnull.  Use the symbol type to
6837         determine whether a $gp or HIGH is needed.
6838         (mips_legitimize_address): Update call to mips_split_symbol and
6839         simplify accordingly.
6840         (mips_legitimize_const_move): Likewise.
6841         * config/mips/mips.md: In the combine define_split,
6842         check mips_split_symbol instead of splittable_symbolic_operand.
6843         Update use of mips_split_symbol in the generator code.
6844         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
6845
6846 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6847
6848         * config/mips/mips.c (mips_symbolic_address_p): Delete.
6849         (mips_symbol_insns_1): New function, split out from...
6850         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
6851         and stores separately from load addresses.
6852         (mips_classify_address): Replace uses of mips_symbolic_address_p
6853         with uses of mips_symbol_insns.
6854         (mips_address_insns): Update calls to mips_symbol_insns.
6855         (mips_const_insns): Likewise.
6856         (mips_legitimize_address): Likewise.
6857
6858 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6859
6860         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
6861         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
6862         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
6863         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
6864         non-call contexts if TARGET_MIPS16.
6865         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
6866         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
6867         code for SYMBOL_ABSOLUTE.
6868         (mips_symbol_insns): Likewise.
6869
6870 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6871
6872         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
6873         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
6874         (mips_symbolic_constant_p): Likewise.  Update the call to
6875         mips_classify_symbol.
6876         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
6877         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
6878         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
6879         (print_operand_reloc): Add a context argument.  Update the call to
6880         mips_symbolic_constant_p.
6881         (print_operand): Update the calls to print_operand_reloc.
6882         (print_operand_address): Use print_operand_reloc rather than
6883         print_operand.
6884         (mips_rewrite_small_data_p): Add a context argument.  Update the call
6885         to mips_symbolic_constant_p.
6886         (mips_small_data_pattern_1): Make DATA the containing mem.
6887         Update the call to mips_rewrite_small_data_p.
6888         (mips_rewrite_small_data_1): Likewise.
6889         (mips_use_anchors_for_symbol_p): Update the call to
6890         mips_symbolic_constant_p.
6891         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6892         (splittable_symbolic_operand): Likewise.
6893         (move_operand): Likewise.
6894         (absolute_symbolic_operand): Likewise.
6895         (got_disp_operand): Likewise.
6896         (got_page_ofst_operand): Likewise.
6897
6898 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6899
6900         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
6901         (SYMBOL_ABSOLUTE): ...this.
6902         (SYMBOL_SMALL_DATA): Rename to...
6903         (SYMBOL_GP_RELATIVE): ...this.
6904         (SYMBOL_CONSTANT_POOL): Rename to...
6905         (SYMBOL_PC_RELATIVE): ...this.
6906         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
6907         (mips_symbolic_address_p, mips_symbol_insns, override_options)
6908         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
6909         after above changes.
6910         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6911         (general_symbolic_operand): Rename to...
6912         (absolute_symbolic_operand): ...this.
6913         * config/mips/mips.md: Update after above changes.
6914
6915 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
6916             Revital Eres  <eres@il.ibm.com>
6917
6918         * ddg.c (print_ddg): Add dump information.
6919         * modulo-sched.c (print_node_sched_params): Add parameter and
6920         verbosity.
6921         (calculate_maxii): Remove function.
6922         (undo_generate_reg_moves): Likewise.
6923         (undo_permute_partial_schedule): Likewise.
6924         (kernel_number_of_cycles): Likewise.
6925         (MAXII_FACTOR): New definition to calculate the upper bound of II.
6926         (sms_schedule): Use it.  Remove profitability checks.
6927         (sms_schedule_by_order): Fix order of nodes within the cycle.
6928
6929 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6930
6931         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
6932         -profile option, add pie support.
6933         (ENDFILE_SPEC): New spec.
6934         * config/gnu.h (LIB_SPEC): Add -profile option.
6935
6936 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6937
6938         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
6939         * config/gnu.h (LIB_SPEC): Likewise.
6940
6941 2007-08-07  Yaz Saito  <saito@google.com>
6942             Ian Lance Taylor  <iant@google.com>
6943
6944         * common.opt (finstrument-functions-exclude-function-list): New
6945         option.
6946         (finstrument-functions-exclude-file-list): New option.
6947         * opts.c (char_p): Define and DEF_VEC.
6948         (flag_instrument_functions_exclude_functions): New static
6949         variable.
6950         (flag_instrument_functions_exclude_files): New static variable.
6951         (add_instrument_functions_exclude_list): New static function.
6952         (flag_instrument_functions_exclude_p): New function.
6953         (common_handle_option): Handle new options.
6954         * flags.h (flag_instrument_functions_exclude_p): Declare.
6955         * gimplify.c (gimplify_function_tree): Call
6956         flag_instrument_functions_exclude_p.
6957         * doc/invoke.texi (Option Summary): Mention new options.
6958         (Code Gen Options): Document new options.
6959
6960 2007-08-07  Ian Lance Taylor  <iant@google.com>
6961
6962         PR rtl-optimization/32776
6963         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
6964         (resolve_use): Likewise.
6965         (decompose_multiword_subregs): Remove "changed" local variable.
6966
6967 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
6968
6969         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
6970         * configure: Regenerate.
6971         * config.in: Regenerate.
6972         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
6973         spec string.
6974
6975 2007-08-07  Ian Lance Taylor  <iant@google.com>
6976
6977         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
6978         note, just delete the insn.
6979
6980 2007-08-07  Andreas Schwab  <schwab@suse.de>
6981
6982         PR bootstrap/32973
6983         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
6984         struct definition.
6985
6986 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6987
6988         * lower-subreg.c (resolve_subreg_use): Remove assertion.
6989         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
6990         (decompose_multiword_subregs): Use the functions above to decompose
6991         multiword shifts and zero-extends.
6992
6993 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6994
6995         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
6996         "assemble" descriptions which were swapped.
6997
6998 2007-08-06  Chao-ying Fu  <fu@mips.com>
6999
7000         * fixed-value.h: New file.
7001         * fixed-value.c: New file.
7002         * Makefile.in (OBJS-common): Add fixed-value.o.
7003         (fixed-value.o): New rule.
7004         (GTFILES): Add fixed-value.h.
7005         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
7006         to compare a.low and b.low.
7007         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
7008
7009 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7010             Daniel Jacobowitz  <dan@codesourcery.com>
7011
7012         PR target/31868
7013         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
7014         tmake_file.
7015         (x86_64-*-netbsd*): Likewise.
7016         (x86_64-*-linux*): Likewise.
7017         (x86_64-*-kfreebsd*-gnu): Likewise.
7018         (x86_64-*-knetbsd*-gnu): Likewise.
7019         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7020
7021         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7022
7023         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7024         Add -fno-asynchronous-unwind-tables.
7025
7026         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7027         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7028         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7029         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7030         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7031
7032 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7033
7034         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7035         (TARGET_C_MODE_FOR_SUFFIX): New.
7036
7037 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7038
7039         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7040
7041 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7042
7043         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7044
7045 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7046
7047         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7048         before checking function returns in conditional expressions.
7049
7050 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7051
7052         PR pch/13676
7053         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7054
7055 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7056
7057         PR middle-end/32988
7058         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7059         for INTEGRAL_TYPE_P.
7060
7061 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7062
7063         * configure.ac: Remove --enable-checking=df from default settings.
7064         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7065         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7066         if the parameter is true.
7067         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7068         DF_VERIFY_SCHEDULED flag is true.
7069         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7070         (df_finish_pass): Adjust prototype.
7071         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7072         true.
7073
7074         * see.c (pass_see): Add TODO_df_verify.
7075         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7076         * global.c (rest_of_handle_global_alloc): Schedule verification
7077         after the pass.
7078         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7079         before the pass.
7080         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7081         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7082         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7083
7084         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7085         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7086         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7087
7088 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7089             Revital Eres <eres@il.ibm.com>
7090
7091         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7092         flag.
7093         * ddg.c (create_ddg_dependence): Rename to...
7094         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7095         for interloop edges.  Do not create anti dependence edge when
7096         a true dependence edge exists in the opposite direction and
7097         -fmodulo-sched-allow-regmoves is set.
7098         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7099         (add_cross_iteration_register_deps): Create anti dependence edge
7100         when -fno-modulo-sched-allow-regmoves is set.
7101         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7102
7103 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7104
7105         * config/arm/arm.md (movsi): Add braces.
7106
7107 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7108
7109         PR middle-end/32780
7110         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7111         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7112         to type.
7113
7114 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7115
7116         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7117         state accessor functions.
7118         * cfgloopmanip.c (remove_path, create_preheaders,
7119         force_single_succ_latches, fix_loop_structure): Ditto.
7120         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7121         tree_duplicate_loop_to_header_edge): Ditto.
7122         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7123         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7124         Ditto.
7125         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7126         cleanup_tree_cfg): Ditto.
7127         * tree-cfg.c (tree_merge_blocks): Ditto.
7128         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7129         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7130         loop_preheader_edge, single_exit): Ditto.
7131         (flow_loops_find): Do not clear loops->state.
7132         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7133         loops_state_clear): New functions.
7134
7135 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7136
7137         PR middle-end/32399
7138         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7139         when adding to the base and convert ELT to sizetype instead of type.
7140
7141 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7142
7143         PR middle-end/32304
7144         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7145         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7146
7147 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7148
7149         PR middle-end/32935
7150         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7151          correct type the negate expression.
7152
7153 2007-08-03  Jan Hubicka  <jh@suse.cz>
7154
7155         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7156         stack boundary.
7157
7158 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7159
7160         * config/rs6000/rs6000.c (struct processor_cost): Change
7161         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7162         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7163         information.
7164         (rios1_costs, rios2_cost): Correct cache line size.
7165         (rs6000_override_options): Set l2-cache-size parameter.
7166
7167 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7168             Diego Novillo  <dnovillo@google.com>
7169
7170         PR 31521
7171         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7172         if the range includes 0.
7173
7174 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7175
7176         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7177         mode to unspec expressions to silence a warning from the generator
7178         programs.
7179         
7180 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7181
7182         * config/ia64/constraints.md ("U"): Make constraint vector only.
7183
7184 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7185
7186         PR middle-end/25446
7187         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7188         always_inline attribute on the function decl.
7189
7190 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7191
7192         PR middle-end/25445
7193         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7194         if we are compiling with -fPIC.
7195
7196 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7197             Nigel Stephens  <nigel@mips.com>
7198
7199         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7200         Define for MIPS32 and MIPS64.
7201
7202 2007-08-02  Nick Clifton  <nickc@redhat.com>
7203
7204         * config/host-hpux.c: Change copyright header to refer to version
7205         3 of the GNU General Public License and to point readers at the
7206         COPYING3 file and the FSF's license web page.
7207         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7208         config/alpha/linux.h, config/alpha/alpha.opt,
7209         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7210         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7211         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7212         config/alpha/alpha.h, config/alpha/sync.md,
7213         config/alpha/openbsd.h, config/alpha/alpha.md,
7214         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7215         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7216         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7217         config/alpha/constraints.md, config/alpha/osf.h,
7218         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7219         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7220         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7221         config/frv/frv-asm.h, config/frv/frv-protos.h,
7222         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7223         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7224         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7225         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7226         config/s390/s390.opt, config/s390/s390-modes.def,
7227         config/s390/fixdfdi.h, config/s390/constraints.md,
7228         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7229         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7230         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7231         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7232         config/m32c/prologue.md, config/m32c/m32c.abi,
7233         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7234         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7235         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7236         config/m32c/jump.md, config/m32c/shift.md,
7237         config/m32c/m32c-protos.h, config/libgloss.h,
7238         config/spu/spu-protos.h, config/spu/predicates.md,
7239         config/spu/spu-builtins.h, config/spu/spu.c,
7240         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7241         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7242         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7243         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7244         config/sparc/hypersparc.md, config/sparc/predicates.md,
7245         config/sparc/linux.h, config/sparc/sp64-elf.h,
7246         config/sparc/supersparc.md, config/sparc/cypress.md,
7247         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7248         config/sparc/niagara.md, config/sparc/sparc.md,
7249         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7250         config/sparc/sparc.opt, config/sparc/sync.md,
7251         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7252         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7253         config/sparc/sparc.c, config/sparc/little-endian.opt,
7254         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7255         config/sparc/linux64.h, config/sparc/freebsd.h,
7256         config/sparc/sol2.h, config/sparc/rtemself.h,
7257         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7258         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7259         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7260         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7261         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7262         config/m32r/linux.h, config/m32r/constraints.md,
7263         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7264         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7265         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7266         config/i386/i386.md, config/i386/netware-crt0.c,
7267         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7268         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7269         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7270         config/i386/sol2.h, config/i386/constraints.md,
7271         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7272         config/i386/predicates.md, config/i386/geode.md,
7273         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7274         config/i386/freebsd64.h, config/i386/vxworksae.h,
7275         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7276         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7277         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7278         config/i386/netware.h, config/i386/i386-modes.def,
7279         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7280         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7281         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7282         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7283         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7284         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7285         config/i386/xm-mingw32.h, config/i386/linux64.h,
7286         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7287         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7288         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7289         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7290         config/i386/cygwin2.c, config/i386/i386-protos.h,
7291         config/i386/sync.md, config/i386/openbsd.h,
7292         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7293         config/i386/nto.h, config/i386/biarch64.h,
7294         config/i386/i386-coff.h, config/i386/freebsd.h,
7295         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7296         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7297         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7298         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7299         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7300         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7301         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7302         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7303         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7304         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7305         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7306         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7307         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7308         config/sh/superh64.h, config/sh/rtemself.h,
7309         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7310         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7311         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7312         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7313         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7314         config/avr/predicates.md, config/avr/constraints.md,
7315         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7316         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7317         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7318         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7319         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7320         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7321         config/c4x/predicates.md, config/c4x/c4x.h,
7322         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7323         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7324         config/xtensa/linux.h, config/xtensa/xtensa.h,
7325         config/xtensa/elf.h, config/xtensa/xtensa.md,
7326         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7327         config/xtensa/xtensa-protos.h, config/dbx.h,
7328         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7329         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7330         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7331         config/host-solaris.c, config/fr30/fr30.h,
7332         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7333         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7334         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7335         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7336         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7337         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7338         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7339         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7340         config/cris/predicates.md, config/cris/linux.h,
7341         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7342         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7343         config/cris/aout.opt, config/cris/cris-protos.h,
7344         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7345         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7346         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7347         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7348         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7349         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7350         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7351         config/chorus.h, config/mn10300/mn10300.c,
7352         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7353         config/mn10300/mn10300.h, config/mn10300/linux.h,
7354         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7355         config/mn10300/mn10300.md, config/ia64/predicates.md,
7356         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7357         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7358         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7359         config/ia64/freebsd.h, config/ia64/ia64.md,
7360         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7361         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7362         config/gofast.h, config/rtems.h, config/sol2-10.h,
7363         config/m68k/predicates.md, config/m68k/m68k.md,
7364         config/m68k/linux.h, config/m68k/m68k-modes.def,
7365         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7366         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7367         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7368         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7369         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7370         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7371         config/m68k/constraints.md, config/m68k/rtemself.h,
7372         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7373         config/m68k/uclinux.h, config/rs6000/power4.md,
7374         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7375         config/rs6000/linux.h, config/rs6000/eabi.h,
7376         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7377         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7378         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7379         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7380         config/rs6000/windiss.h, config/rs6000/603.md,
7381         config/rs6000/aix41.h, config/rs6000/cell.md,
7382         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7383         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7384         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7385         config/rs6000/default64.h, config/rs6000/7xx.md,
7386         config/rs6000/darwin.opt, config/rs6000/spe.md,
7387         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7388         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7389         config/rs6000/7450.md, config/rs6000/linux64.h,
7390         config/rs6000/constraints.md, config/rs6000/440.md,
7391         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7392         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7393         config/rs6000/rs6000.h, config/rs6000/power6.md,
7394         config/rs6000/predicates.md, config/rs6000/altivec.md,
7395         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7396         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7397         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7398         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7399         config/rs6000/linux64.opt, config/rs6000/sync.md,
7400         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7401         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7402         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7403         config/rs6000/eabispe.h, config/rs6000/e500.h,
7404         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7405         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7406         config/rs6000/aix.h, config/rs6000/vxworks.h,
7407         config/rs6000/40x.md, config/rs6000/aix51.h,
7408         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7409         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7410         config/arc/arc.h, config/mcore/mcore-elf.h,
7411         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7412         config/mcore/mcore.md, config/mcore/mcore.c,
7413         config/mcore/mcore.opt, config/mcore/mcore.h,
7414         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7415         config/score/predicates.md, config/score/score-version.h,
7416         config/score/score-protos.h, config/score/misc.md,
7417         config/score/elf.h, config/score/score.c, config/score/mac.md,
7418         config/score/score7.md, config/score/score.h,
7419         config/score/score-conv.h, config/score/score-mdaux.c,
7420         config/score/score.md, config/score/score.opt,
7421         config/score/score-modes.def, config/score/score-mdaux.h,
7422         config/score/mul-div.S, config/arm/uclinux-elf.h,
7423         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7424         config/arm/symbian.h, config/arm/linux-elf.h,
7425         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7426         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7427         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7428         config/arm/strongarm-pe.h, config/arm/arm.h,
7429         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7430         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7431         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7432         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7433         config/arm/arm-cores.def, config/arm/arm-protos.h,
7434         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7435         config/arm/wince-pe.h, config/arm/neon.md,
7436         config/arm/constraints.md, config/arm/neon.ml,
7437         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7438         config/arm/arm.opt, config/arm/arm926ejs.md,
7439         config/arm/predicates.md, config/arm/iwmmxt.md,
7440         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7441         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7442         config/arm/neon-testgen.ml, config/arm/arm.md,
7443         config/arm/xscale-coff.h, config/arm/pe.c,
7444         config/arm/arm-generic.md, config/arm/pe.h,
7445         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7446         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7447         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7448         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7449         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7450         config/pa/predicates.md, config/pa/pa64-hpux.h,
7451         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7452         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7453         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7454         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7455         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7456         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7457         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7458         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7459         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7460         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7461         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7462         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7463         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7464         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7465         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7466         config/mips/linux64.h, config/mips/elforion.h,
7467         config/mips/constraints.md, config/mips/generic.md,
7468         config/mips/predicates.md, config/mips/4300.md,
7469         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7470         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7471         config/mips/5k.md, config/mips/vr4120-div.S,
7472         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7473         config/mips/mips-protos.h, config/mips/6000.md,
7474         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7475         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7476         config/mips/mips-modes.def, config/mips/vr.h,
7477         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7478         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7479         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7480         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7481         config/vax/openbsd1.h, config/vax/netbsd.h,
7482         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7483         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7484         config/h8300/rtems.h, config/h8300/predicates.md,
7485         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7486         config/h8300/h8300.md, config/h8300/h8300.opt,
7487         config/h8300/coff.h, config/h8300/h8300-protos.h,
7488         config/v850/v850.md, config/v850/predicates.md,
7489         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7490         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7491         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7492         config/mmix/mmix.h, config/mmix/predicates.md,
7493         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7494         config/mmix/mmix.c, config/mmix/mmix.opt,
7495         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7496         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7497         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7498         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7499         Likewise.
7500
7501 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7502
7503         * emit-rtl.c (reset_used_decls): Rename to...
7504         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7505         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7506         DECL_RTLs rather than resetting them.
7507
7508 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7509
7510         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7511
7512 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7513
7514         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7515         argument to find_reloads_address.
7516
7517 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7518
7519         PR tree-optimization/32919
7520         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7521         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7522         (coalesce_ssa_name): Call it.
7523
7524 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7525             David Ung  <davidu@mips.com>
7526
7527         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7528         (__mips16_unorddf2, __mips16_floatunsidf): New.
7529         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7530         above functions.
7531         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7532
7533 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7534
7535         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7536         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7537         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7538         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7539         * omp-low.c (get_ws_args_for, determine_parallel_type,
7540         expand_omp_for_generic, expand_omp_for_static_nochunk,
7541         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7542         Work with more precise CFG.
7543         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7544         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7545         OMP_CONTINUE.
7546         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7547         * gimple-low.c (lower_stmt): Ditto.
7548         * tree-inline.c (estimate_num_insns_1): Ditto.
7549         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7550         (OMP_SECTIONS_SWITCH): New.
7551         * tree-cfgcleanup.c (cleanup_omp_return): New.
7552         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7553         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7554         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7555         (tree_redirect_edge_and_branch): Handle omp constructs.
7556
7557         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7558         with three arguments.
7559
7560 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7561
7562         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7563         in loop closed ssa.
7564
7565 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7566
7567         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7568         the loop structures may need fixing.
7569         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7570         New functions.
7571         (cleanup_tree_cfg_loop): Removed.
7572         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7573         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7574         instead of running cleanup_tree_cfg_loop.
7575         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7576         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7577         (tree_predictive_commoning): Declaration changed.
7578         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7579
7580 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7581
7582         * doc/invoke.texi (l1-cache-size): Update documentation.
7583         (l2-cache-size): Document.
7584         * params.h (L2_CACHE_SIZE): New macro.
7585         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7586         that L1_CACHE_SIZE is in kB now.
7587         (L2_CACHE_SIZE_BYTES): New macro.
7588         (tree_ssa_prefetch_arrays): Show size in kB.
7589         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7590         and l2_cache_size fields.
7591         * config/i386/driver-i386.c (describe_cache): Detect cache size
7592         in kB.
7593         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7594         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7595         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7596         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7597         (override_options): Set l1-cache-size and l2-cache-size to default
7598         values if not specified otherwise.
7599         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7600         (PARAM_L2_CACHE_SIZE): New.
7601
7602 2007-08-01  Nigel Stephens  <nigel@mips.com>
7603             David Ung  <davidu@mips.com>
7604             Thiemo Seufer  <ths@mips.com>
7605             Chris Dearman  <chris@mips.com>
7606             Richard Sandiford  <richard@codesourcery.com>
7607
7608         * config.gcc (mips*-sde-elf*): New stanza.
7609         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7610         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7611         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7612         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7613         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7614         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7615         to tmake_file.
7616         * config/mips/sde.h: New file.
7617         * config/mips/t-libgcc-mips16: Likewise.
7618         * config/mips/t-sde: Likewise.
7619         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7620         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7621         _MIPS_FPSET and _MIPS_SZINT.
7622         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7623         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7624         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7625         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7626         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7627         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7628         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7629         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7630         _MIPS_SZPTR and _MIPS_FPSET.
7631         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7632         architecture is specified.
7633         (MIPS_32BIT_OPTION_SPEC): New macro.
7634
7635 2007-07-31  Dan Hipschman  <dsh@google.com>
7636
7637         * gcc.c (end_going_arg): New function.
7638         (do_spec_2): Use it.
7639         (do_spec_1): Use it.
7640
7641 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7642
7643         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7644         only if ENABLE_CHECKING is defined.
7645
7646 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7647
7648         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7649         df_ru_add_problem, df_ru_get_bb_info): Removed.
7650         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7651         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7652         df_ru_free_bb_info, df_ru_alloc,
7653         df_ru_bb_local_compute_process_def,
7654         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7655         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7656         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7657         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7658         df_ru_add_problem): Removed.
7659
7660 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7661
7662         PR target/32847
7663         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7664         (casesi32p, casesi64p): Likewise.
7665         (casesi): Adjust for above.
7666
7667 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7668
7669         * mode-switching.c (create_pre_exit): Don't search past calls.
7670
7671 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7672
7673         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7674
7675 2007-07-31  Revital Eres  <eres@il.ibm.com>
7676
7677         * ddg.c (add_deps_for_def): Rename to...
7678         (add_cross_iteration_register_deps): This.  Change implementation
7679         to use only reaching def and def-use chains to construct the
7680         inter loop dependencies.
7681         (add_deps_for_use): Remove function.
7682         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7683         function to build the inter loop dependencies.
7684         * modulo-sched.c (sms_schedule): Build only
7685         reaching def and def-use chains for the propose of the ddg
7686         construction.
7687
7688 2007-07-31  Julian Brown  <julian@codesourcery.com>
7689
7690         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7691         New define_insns. Use correct RTL.
7692         (vec_set<mode>): Write as expander.
7693
7694 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7695
7696         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring 
7697         to an unallocated space.
7698
7699 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
7700
7701         * tree-data-ref.c
7702         (split_constant_offset): Enable split_constant_offset to extract
7703         constants from other statements.
7704         * tree-vect-transform.c
7705         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
7706         to a temp var. Force base_offset to be simple.
7707
7708 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
7709
7710         * df-scan.c (df_scan_verify): Remove artificial limit on
7711         the number of blocks for verification.
7712         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
7713         df_simulate_defs): Avoid unnecessary insn checking for defs.
7714
7715 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
7716
7717         * config/m68k/lb1sf68.asm (FUNC): New macro.
7718         (__mulsi3): Use it.
7719         (__udivsi3): Likewise.
7720         (__divsi3): Likewise.
7721         (__umodsi3): Likewise.
7722         (__modsi3): Likewise.
7723         (__subdf3): Likewise.
7724         (__adddf3): Likewise.
7725         (__muldf3): Likewise.
7726         (__divdf3): Likewise.
7727         (__negdf2): Likewise.
7728         (__cmpdf2): Likewise.
7729         (__subsf3): Likewise.
7730         (__addsf3): Likewise.
7731         (__mulsf3): Likewise.
7732         (__divsf3): Likewise.
7733         (__negsf2): Likewise.
7734         (__cmpsf2): Likewise.
7735         (__eqdf2): Likewise.
7736         (__nedf2): Likewise.
7737         (__gtdf2): Likewise.
7738         (__gedf2): Likewise.
7739         (__ltdf2): Likewise.
7740         (__ledf2): Likewise.
7741         (__eqsf2): Likewise.
7742         (__nesf2): Likewise.
7743         (__gtsf2): Likewise.
7744         (__gesf2): Likewise.
7745         (__ltsf2): Likewise.
7746         (__lesf2): Likewise.
7747
7748 2007-07-30  Ollie Wild  <aaw@google.com>
7749
7750         * c-ppoutput.c (print_lines_directives_only): New function.
7751         (scan_translation_unit_directives_only): New function.
7752         (preprocess_file): Add call to scan_translation_unit_directives_only.
7753         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
7754         (sanitize_cpp_opts): Add default flag_dump_macros setting for
7755         -fdirectives-only.  Add errors for -fdirectives-only conflict with
7756         -Wunused-macros and -traditional.
7757         (finish_options): Add builtin macro initialization for
7758         -fdirectives-only + -fpreprocessed.
7759         * c.opt (fdirectives-only): New.
7760         * doc/cppopts.texi (fdirectives-only): New.
7761
7762 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7763
7764         * alias.c (record_set, memory_modified_1): Constify.
7765         * bt-load.c (note_btr_set): Likewise.
7766         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
7767         * combine.c (set_nonzero_bits_and_sign_copies,
7768         expand_field_assignment, record_dead_and_set_regs_1,
7769         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
7770         likely_spilled_retval_1): Likewise.
7771         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
7772         frv_io_handle_set): Likewise.
7773         * config/mips/mips.c (mips_sim_record_set,
7774         vr4130_true_reg_dependence_p_1): Likewise.
7775         * config/mt/mt.c (insn_dependent_p_1): Likewise.
7776         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
7777         * config/sh/sh.c (flow_dependent_p_1): Likewise.
7778         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
7779         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
7780         * ddg.c (mark_mem_store): Likewise.
7781         * df-problems.c (df_urec_mark_reg_change): Likewise.
7782         * function.c (update_epilogue_consts): Likewise.
7783         * gcse.c (record_set_info, record_last_set_info,
7784         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
7785         reg_clear_last_set): Likewise.
7786         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
7787         Likewise.
7788         * jump.c (reversed_comparison_code_parts): Likewise.
7789         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
7790         reg_is_set): Likewise.
7791         * loop-iv.c (mark_altered): Likewise.
7792         * mode-switching.c (reg_becomes_live): Likewise.
7793         * optabs.c (no_conflict_move_test): Likewise.
7794         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
7795         Likewise.
7796         * postreload.c (reload_combine_note_store, move2add_note_store):
7797         Likewise.
7798         * regmove.c (flags_set_1): Likewise.
7799         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
7800         Likewise.
7801         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
7802         Likewise. 
7803         * resource.c (update_live_status): Likewise.
7804         * rtl.h (set_of, note_stores): Likewise.
7805         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
7806         note_stores, parms_set): Likewise.
7807         * sched-rgn.c (sets_likely_spilled_1): Likewise.
7808         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
7809         Likewise. 
7810         * var-tracking.c (count_stores, add_stores): Likewise.
7811
7812 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7813
7814         * alias.c (mems_in_disjoint_alias_sets_p,
7815         fixed_scalar_and_varying_struct_p, aliases_everything_p,
7816         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
7817         write_dependence_p, mems_in_disjoint_alias_sets_p,
7818         read_dependence, true_dependence, canon_true_dependence,
7819         anti_dependence, output_dependence): Constify.
7820         * combine.c (extended_count): Likewise.
7821         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
7822         * cselib.c (get_value_hash, references_value_p,
7823         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
7824         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
7825         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
7826         * function.c (contains, prologue_epilogue_contains,
7827         sibcall_epilogue_contains): Likewise. 
7828         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
7829         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
7830         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
7831         reg_or_subregno): Likewise.
7832         * recog.c (asm_noperands): Likewise.
7833         * reload1.c (function_invariant_p): Likewise.
7834         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
7835         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
7836         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
7837         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
7838         true_regnum, reg_or_subregno, condjump_in_parallel_p,
7839         extended_count, prologue_epilogue_contains,
7840         sibcall_epilogue_contains, function_invariant_p, true_dependence,
7841         canon_true_dependence, read_dependence, anti_dependence,
7842         output_dependence): Likewise.
7843         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
7844
7845 2007-07-30  Julian Brown  <julian@codesourcery.com>
7846
7847         * config/arm/neon.md (V_ext): New mode attribute.
7848         (neon_vget_lane<mode>): Replace with define_expand.
7849         (neon_vget_lane<mode>_sext_internal)
7850         (neon_vget_lane<mode>_zext_internal): New define_insns for double
7851         and quad precision vectors.
7852         (neon_vget_lanedi): Add bounds check. Remove dead comment.
7853         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
7854         have typeless 32-bit result.
7855
7856 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7857
7858         PR tree-opt/32527
7859         * tree-affine.h (aff_tree): The type of rest is sizetype for types
7860         of pointers.
7861         * tree-affine.c (aff_combination_scale): If type is a pointer type,
7862         use sizetype for rest.
7863         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
7864         (aff_combination_convert): Don't convert rest for pointer types.
7865
7866 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7867
7868         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
7869
7870         * tree-ssa-alias.c: Add alloc-pool.h.
7871         (init_alias_info): Free alias_bitmap_obstack.
7872         (delete_alias_info): Call delete_mem_ref_stats.
7873         (get_mem_sym_stats_for): Use alloc_pool.
7874         (init_mem_ref_stats): Do not delete mem_ref_stats here.
7875         (delete_mem_sym_stats): Removed.
7876         
7877 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
7878
7879         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
7880         functions cannot be represented as classical distance vectors.
7881
7882 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7883
7884         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
7885         * builtins.c (validate_arg, builtin_mathfn_code,
7886         validate_arglist): Likewise.
7887         * calls.c (call_expr_flags): Likewise.
7888         * combine.c (reg_nonzero_bits_for_combine,
7889         reg_num_sign_bit_copies_for_combine, get_last_value,
7890         reg_truncated_to_mode): Likewise.
7891         * emit-rtl.c (subreg_lowpart_p): Likewise.
7892         * expr.c (highest_pow2_factor_for_target,
7893         categorize_ctor_elements_1, categorize_ctor_elements,
7894         count_type_elements, contains_packed_reference,
7895         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
7896         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
7897         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
7898         native_encode_int, native_encode_real, native_encode_complex,
7899         native_encode_vector, native_encode_expr, native_interpret_int,
7900         native_interpret_real, native_interpret_complex,
7901         native_interpret_vector, native_interpret_expr): Likewise.
7902         * function.c (use_register_for_decl): Likewise.
7903         * gimplify.c (get_name): Likewise.
7904         * langhooks-def.h (lhd_return_null_const_tree): New.
7905         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
7906         * langhooks.c (lhd_return_null_const_tree): New.
7907         * langhooks.h (lang_get_callee_fndecl): Constify.
7908         * output.h (constructor_static_from_elts_p): Likewise.
7909         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
7910         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
7911         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
7912         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
7913         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
7914         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
7915         * rtlhooks-def.h (reg_nonzero_bits_general,
7916         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
7917         Likewise. 
7918         * rtlhooks.c (reg_num_sign_bit_copies_general,
7919         reg_nonzero_bits_general, reg_truncated_to_mode_general):
7920         Likewise. 
7921         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
7922         * stor-layout.c (mode_for_size_tree): Likewise.
7923         * tree-ssa-loop-im.c (memref_eq): Likewise.
7924         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
7925         * tree.c (contains_placeholder_p, type_list_equal,
7926         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
7927         Likewise. 
7928         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
7929         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
7930         contains_placeholder_p, contains_packed_reference,
7931         get_callee_fndecl, operand_equal_for_phi_arg_p,
7932         warn_if_unused_value, is_body_block, native_encode_expr,
7933         native_interpret_expr, fold_convertible_p, operand_equal_p,
7934         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
7935         validate_arglist, simple_cst_equal, type_list_equal,
7936         use_register_for_decl, call_expr_flags, get_name,
7937         highest_pow2_factor): Likewise.
7938         (const_call_expr_arg_iterator_d,
7939         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
7940         first_const_call_expr_arg, more_const_call_expr_args_p,
7941         FOR_EACH_CONST_CALL_EXPR_ARG): New.
7942         * varasm.c (constructor_static_from_elts_p): Constify.
7943
7944 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
7945
7946         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
7947         config/arm/neon-schedgen.ml, config/arm/neon.ml,
7948         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
7949         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
7950         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
7951         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
7952         spelling conventions.
7953         * doc/invoke.texi: Follow spelling conventions.
7954
7955 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
7956             Revital Eres  <eres@il.ibm.com>
7957
7958         * modulo-sched.c (sms_schedule): Avoid loops which includes
7959         auto-increment instructions.
7960
7961 2007-07-28  Richard Guenther  <rguenther@suse.de>
7962
7963         PR middle-end/32920
7964         * fold-const.c (fold_cond_expr_with_comparison): Convert
7965         operand zero of MIN/MAX_EXPR to correct type.
7966
7967 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7968
7969         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
7970         flags_from_decl_or_type): Constify.
7971         * gcc.c (do_spec_1): Likewise.
7972         * print-tree.c (dump_addr, print_node_brief): Likewise.
7973         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
7974         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
7975         tree_purge_all_dead_eh_edges): Likewise.
7976         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
7977         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
7978         Likewise. 
7979         * tree.c (expr_location, expr_has_location, expr_locus,
7980         expr_filename, expr_lineno, get_inner_array_type,
7981         fields_compatible_p): Likewise.
7982         * tree.h (get_inner_array_type, fields_compatible_p,
7983         expr_location, expr_has_location, expr_locus, expr_filename,
7984         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
7985         setjmp_call_p, alloca_call_p): Likewise.
7986
7987 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7988
7989         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
7990         TV_FLOW_INSENSITIVE.
7991
7992         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
7993         TV_CALL_CLOBBER.
7994         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
7995         (compute_flow_insensitive_aliasing): Ditto for
7996         TV_FLOW_INSENSITIVE.    
7997
7998 2007-07-27  Jan Hubicka  <jh@suse.cz>
7999
8000         * config/i386/i386.c (register_move_cost): Remove accidentally
8001         comitted #if 0 block.
8002
8003         * attribs.c: Include hashtab.h
8004         (attribute_hash): New.
8005         (substring): New structure.
8006         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
8007         New function.
8008         (init_attributes): Initialize attribute hash.
8009         (decl_attributes): Use attribute hash.
8010         * Makefile.in (attribs.c): Depend on hashtab.h.
8011
8012 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
8013
8014         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
8015
8016 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8017
8018         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8019         __mips_dspr2 and __mips_dsp_rev macros.
8020         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8021
8022 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8023         
8024        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8025
8026 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8027
8028         PR middle-end/32749
8029         
8030         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8031         and the updating of the live and do_not_gen sets.
8032         (df_note_bb_compute): Added updating of live and do_not_gen sets
8033         for regular defs so that the case of clobber inside conditional
8034         call is processed correctly.
8035         
8036 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8037
8038         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8039         operands with compatible type.
8040
8041 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8042
8043         * expr.h (store_bit_field): Don't return a value.
8044         * expmed.c (check_predicate_volatile_ok): New function.
8045         (store_bit_field_1): New function, extracted from store_bit_field.
8046         Take a fallback_p argument and return true if the operation succeeded.
8047         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8048         mode_for_extraction; use op_mode instead.  Try forcing memories
8049         into registers if the insv expander fails.
8050         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8051         Don't return a value.
8052         (convert_extracted_bit_field): New function, extracted from
8053         store_bit_field.
8054         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8055         and return NULL if the operation succeeded.  Only use
8056         extract_fixed_bit_field if fallback_p.  Only calculate one
8057         extraction mode.  Combine code for extv and extzv.  Try forcing
8058         memories into registers if the ext(z)v expander fails.
8059         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8060
8061 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8062
8063         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8064         into bitfields.
8065         (df_ref): Likewise.  Put regno with other integer fields.
8066
8067 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8068
8069         * df.h (df_mw_hardreg): Remove "loc" field.
8070         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8071         local variable.
8072         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8073         split out from df_set_unused_notes_for_mw.  Return false for
8074         partial references.  Assert that mw_reg is a REG when returning true.
8075         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8076         (df_whole_mw_reg_dead_p): New function, split out from
8077         df_set_dead_notes_for_mw.  Return false for partial references.
8078         Assert that mw_reg is a REG when returning true.
8079         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8080         Remove redundant bitmap check.
8081
8082 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8083
8084         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8085         ($(T)crtend.o): Likwise.
8086         ($(T)crtbeginS.o): Likwise.
8087         ($(T)crtendS.o): Likwise.
8088         ($(T)crtfastmath.o): Likwise.
8089
8090 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8091
8092         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8093         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8094         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8095         and x_n_bbs_in_dom_tree fields.
8096
8097 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8098
8099         PR tree-optimization/32087
8100         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8101         Do not call scale_bbs_frequencies_int with prob of zero.
8102
8103 2007-07-26  Julian Brown  <julian@codesourcery.com>
8104
8105         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8106         (neon_element_bits): Add prototypes.
8107         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8108         (neon_const_bounds, neon_element_bits): New functions.
8109         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8110         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8111         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8112         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8113         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8114         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8115         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8116         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8117         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8118         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8119         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8120         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8121         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8122
8123 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8124
8125         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8126         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8127
8128 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8129             Julian Brown  <julian@codesourcery.com>
8130
8131         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8132         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8133         * config/arm/cortex-a8.md: New.
8134         * config/arm/cortex-a8-neon.md: New.
8135         * config/arm/neon-schedgen.ml: New.
8136         * config/arm/neon.md (vqh_mnem): New.
8137         (neon_type): New.
8138         (Is_float_mode): New.
8139         (Scalar_mul_8_16): New.
8140         (Is_d_reg): New.
8141         (V_mode_nunits): New.
8142         (All instruction patterns): Annotate with neon_type attribute
8143         values.
8144         * config/arm/arm.md: Include cortex-a8.md.
8145         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8146         values.
8147         Annotate instruction patterns accordingly.
8148         (generic_sched): Do not use generic scheduling for Cortex-A8.
8149         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8150
8151 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8152
8153         * fold-const.c (fold_read_from_constant_string): Use
8154         build_int_cst_type.
8155         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8156
8157 2007-07-26  Nick Clifton  <nickc@redhat.com>
8158
8159         * tree-ssa-operands.h: Change copyright header to refer to version
8160         3 of the GNU General Public License and to point readers at the
8161         COPYING3 file and the FSF's license web page.
8162         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8163         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8164         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8165         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8166         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8167         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8168         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8169         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8170         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8171         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8172         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8173         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8174         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8175         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8176         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8177         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8178         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8179         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8180         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8181         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8182         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8183         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8184         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8185         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8186         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8187         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8188         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8189         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8190         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8191         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8192         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8193         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8194         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8195         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8196         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8197         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8198         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8199         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8200         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8201         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8202         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8203         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8204         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8205         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8206         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8207         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8208         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8209         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8210         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8211         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8212         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8213         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8214         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8215         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8216         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8217         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8218         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8219         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8220         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8221         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8222         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8223         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8224         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8225         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8226         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8227         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8228         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8229         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8230         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8231         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8232         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8233         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8234         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8235         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8236         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8237         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8238         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8239         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8240         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8241         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8242         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8243         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8244         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8245         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8246         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8247         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8248         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8249         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8250         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8251         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8252         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8253         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8254         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8255         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8256         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8257         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8258         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8259         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8260         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8261         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8262         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8263         convert.c, convert.h, langhooks-def.h, reload1.c,
8264         tree-ssa-operands.c: Likewise.
8265
8266 2007-07-26  Jan Hubicka  <jh@suse.cz>
8267
8268         * tree-ssa-live.c: Include debug.h and flags.h.
8269         (mark_scope_block_unused): New function.
8270         (remove_unused_scope_block_p): New function.
8271         (remove_unused_locals): Remove unused blocks too.
8272
8273 2007-07-25  Ian Lance Taylor  <iant@google.com>
8274
8275         * combine.c (combine_max_regno): Remove.  Remove all uses.
8276         (struct reg_stat_struct): Rename from struct reg_stat.
8277         (reg_stat_type): Define, and declare VECs.
8278         (reg_stat): Change from pointer to VEC.  Change all uses.
8279         (combine_split_insns): New static function.
8280         (try_combine, find_split_point): Call it instead of split_insns.
8281
8282 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8283
8284         * cfghooks.c (split_block): Fix the information about loop latch.
8285
8286 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8287
8288         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8289
8290 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8291
8292         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8293         Scan the new edge for loop exit info.
8294
8295 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8296
8297         * config/darwin.c: Include debug.h.
8298
8299 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8300
8301         PR target/32218
8302         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8303
8304 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8305
8306         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8307         (HARD_REGNO_MODE_OK): Ditto.
8308         (MODES_TIEABLE_P): Ditto.
8309         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8310         (CLASS_MAX_NREGS): Ditto.
8311         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8312         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8313         (divdf3_internal_thr): Removed.
8314         * config/ia64/div.md: New file.
8315         * config/ia64/constraints.md: Add H constraint.
8316
8317 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8318
8319         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8320         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8321         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8322         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8323         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8324         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8325         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8326         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8327         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8328         dump_sbitmap_file, debug_sbitmap, popcount_table,
8329         sbitmap_popcount): Constify.
8330         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8331         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8332         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8333         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8334         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8335         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8336         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8337         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8338         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8339         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8340         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8341
8342 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8343
8344         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8345         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8346         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8347         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8348         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8349         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8350         bitmap_intersect_p, bitmap_intersect_compl_p,
8351         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8352         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8353         Constify.
8354         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8355         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8356         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8357         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8358         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8359         debug_bitmap, debug_bitmap_file, bitmap_print,
8360         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8361         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8362
8363 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8364
8365         * config/darwin.c (darwin_override_options): Additional fix for
8366         debug info formats that don't support var tracking.
8367
8368 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8369
8370         * cselib.c (entry_and_rtx_equal_p): Constify.
8371         * gengtype.c (output_mangled_typename, write_types, write_local):
8372         Likewise.
8373         * gengtype.h (const_type_p): New.
8374         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8375         Constify.
8376         * tlink.c (scan_linker_output): De-constify.
8377         * tree-ssa-loop-im.c (memref_eq): Constify.
8378         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8379         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8380
8381 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8382
8383         * c-common.c (fname_as_string, c_type_hash): Constify.
8384         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8385         * cgraph.c (edge_hash, edge_eq): Likewise.
8386         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8387         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8388         reg_attrs_htab_eq): Likewise.
8389         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8390         Likewise.
8391         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8392         const_decl_t, const_state_t, const_automata_list_el_t): New.
8393         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8394         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8395         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8396         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8397         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8398         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8399         compare_max_occ_cycle_nums, out_state_arcs_num,
8400         compare_transition_els_num, units_cmp, state_reservs_cmp):
8401         Constify.
8402         * genmodes.c (cmp_modes): Likewise.
8403         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8404         * gimplify.c (compare_case_labels): Likewise.
8405         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8406         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8407         * matrix-reorg.c (mtt_info_hash): Likewise.
8408         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8409         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8410         (htab_hash_bucket, htab_hash_elem): Constify.
8411         * tree-browser.c (TB_parent_eq): Likewise.
8412         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8413         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8414         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8415         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8416         Constify.
8417         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8418         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8419         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8420         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8421         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8422         New.
8423         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8424         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8425         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8426         * tree-ssa-threadupdate.c (redirection_data_hash,
8427         redirection_data_eq): Likewise. 
8428         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8429         * tree-ssa.c (var_ann_eq): Likewise.
8430         * tree-vrp.c (compare_case_labels): Likewise.
8431         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8432         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8433         tree_not_check_failed, tree_class_check_failed,
8434         tree_range_check_failed, tree_not_class_check_failed,
8435         omp_clause_check_failed, omp_clause_range_check_failed,
8436         tree_contains_struct_check_failed, tree_operand_check_failed):
8437         Likewise. 
8438         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8439         tree_not_check_failed, tree_class_check_failed,
8440         tree_range_check_failed, tree_not_class_check_failed,
8441         tree_operand_check_failed, omp_clause_operand_check_failed,
8442         tree_operand_length): Likewise. 
8443         * var-tracking.c (const_variable): New.
8444         (variable_htab_hash, variable_htab_eq): Constify.
8445         * varasm.c (const_desc_hash): Likewise.
8446
8447 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8448
8449         * expr.c (handled_component_p): Constify.
8450         * fold-const.c (fit_double_type): Likewise.
8451         * real.h (real_value_from_int_cst): Likewise.
8452         * tree-flow-inline.h (gimple_in_ssa_p,
8453         gimple_aliases_computed_p, gimple_addressable_vars,
8454         gimple_call_clobbered_vars, gimple_referenced_vars,
8455         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8456         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8457         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8458         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8459         is_label_stmt, is_global_var, phi_ssa_name_p,
8460         factoring_name_p, is_call_clobbered, tree_common_ann,
8461         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8462         unmodifiable_var_p, array_ref_contains_indirect_ref,
8463         ref_contains_array_ref, lookup_subvars_for_var,
8464         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8465         gimple_mem_ref_stats): Likewise.
8466         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8467         may_aliases, is_exec_stmt, is_label_stmt,
8468         ref_contains_array_ref, array_ref_contains_indirect_ref,
8469         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8470         unmodifiable_var_p): Likewise.
8471         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8472         * tree-gimple.h (is_gimple_min_invariant): Likewise. 
8473         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8474         cst_and_fits_in_hwi, real_value_from_int_cst,
8475         build_real_from_int_cst, integer_zerop, integer_onep,
8476         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8477         tree_floor_log2, real_zerop, real_onep, real_twop,
8478         real_minus_onep, really_constant_p, purpose_member, chain_member,
8479         list_length, fields_length, int_size_in_bytes, bit_position,
8480         int_bit_position, byte_position, int_byte_position, expr_align,
8481         array_type_nelts, tree_node_structure,
8482         type_contains_placeholder_1, iterative_hash_pointer,
8483         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8484         tree_map_base_eq, type_hash_list, type_hash_eq,
8485         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8486         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8487         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8488         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8489         int_fits_type_p, get_containing_scope, decl_function_context,
8490         decl_type_context, omp_clause_operand_check_failed,
8491         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8492         * tree.h (omp_clause_operand_check_failed, tree_size,
8493         build_real_from_int_cst, array_type_nelts, purpose_member,
8494         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8495         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8496         is_attribute_p, check_qualified_type, expr_align,
8497         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8498         int_byte_position, list_length, fields_length, initializer_zerop,
8499         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8500         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8501         tree_node_structure, handled_component_p, get_containing_scope,
8502         decl_function_context, decl_type_context, real_zerop,
8503         type_num_arguments, fit_double_type, really_constant_p,
8504         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8505         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8506         real_twop, real_minus_onep, int_cst_value): Likewise.
8507
8508 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8509
8510         * cfglayout.c (insn_scope, insn_line): Constify.
8511         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8512         const_double_htab_hash, const_double_htab_eq,
8513         mem_attrs_htab_hash): Likewise.
8514         * loop-iv.c (biv_eq): Likewise.
8515         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8516         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8517         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8518         Likewise. 
8519         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8520         error_for_asm, warning_for_asm, _fatal_insn,
8521         _fatal_insn_not_found): Likewise. 
8522         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8523         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8524         rtl_check_failed_type2, rtl_check_failed_code1,
8525         rtl_check_failed_code2, rtl_check_failed_code_mode,
8526         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8527         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8528         rtl_check_failed_type2, rtl_check_failed_code1,
8529         rtl_check_failed_code2, rtl_check_failed_code_mode,
8530         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8531         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8532         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8533         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8534         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8535         rtx_unstable_p, get_integer_term, get_related_value,
8536         offset_within_block_p, reg_mentioned_p, count_occurrences,
8537         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8538         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8539         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8540         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8541         find_constant_src, find_reg_fusage, find_regno_fusage,
8542         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8543         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8544         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8545         computed_jump_p, auto_inc_p, in_expr_list_p,
8546         remove_node_from_expr_list, loc_mentioned_in_p,
8547         label_is_jump_target_p, reversed_comparison_code_parts,
8548         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8549         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8550         print_inline_rtx): Likewise.
8551         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8552         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8553         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8554         get_integer_term, get_related_value, offset_within_block_p,
8555         count_occurrences, reg_mentioned_p, no_labels_between_p,
8556         reg_used_between_p, reg_referenced_p, single_set_2,
8557         multiple_sets, set_noop_p, refers_to_regno_p,
8558         reg_overlap_mentioned_p, dead_or_set_p,
8559         covers_regno_no_parallel_p, covers_regno_p,
8560         dead_or_set_regno_p, find_reg_note, find_regno_note,
8561         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8562         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8563         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8564         side_effects_p, may_trap_p_1, may_trap_p,
8565         may_trap_after_code_motion_p, may_trap_or_fault_p,
8566         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8567         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8568         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8569         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8570         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8571         Likewise. 
8572         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8573         warning_for_asm): Likewise.
8574         * tree.h (print_rtl): Likewise.
8575         * varasm.c (get_pool_mode): Likewise.
8576
8577 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8578
8579         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8580         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8581         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8582         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8583         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8584         * ddg.c (compare_sccs): Likewise.
8585         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8586         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8587         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8588         decimal_do_fix_trunc, decimal_real_to_integer,
8589         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8590         * dse.c (const_group_info_t): New.
8591         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8592         * dwarf2out.c (const_dw_die_ref): New.
8593         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8594         * tree-browser.c (TB_parent_eq): Likewise.
8595         * unwind-dw2-fde.c (__register_frame_info_bases,
8596         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8597         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8598         Likewise.
8599         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8600         * unwind-dw2.c (uw_frame_state_for): Likewise.
8601         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8602         * value-prof.h (const_histogram_value): New.
8603
8604 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8605
8606         * config/mips/mips.c (machine_function): Add
8607         initialized_mips16_gp_pseudo_p.
8608         (mips16_gp_pseudo_reg): Do not emit the initialization of
8609         mips16_gp_pseudo_rtx when being called from the gimple cost-
8610         calculation routines; emit it on the first use outside those
8611         routines.
8612
8613 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8614
8615         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8616         New.
8617         
8618         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8619         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8620         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8621         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8622         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8623         Preserve const-ness of parameters through use of __typeof(),
8624         also constify and tidy.
8625         
8626         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8627         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8628         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8629         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8630         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8631         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8632         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8633         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8634         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8635
8636 2007-07-25  Julian Brown  <julian@codesourcery.com>
8637             Mark Shinwell  <shinwell@codesourcery.com>
8638
8639         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8640         (alpha_mangle_type): This.
8641         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8642         (TARGET_MANGLE_TYPE): Define this instead.
8643         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8644         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8645         (arm_init_neon_builtins): Fix comment.
8646         (arm_mangle_map_entry): New.
8647         (arm_mangle_map): New.
8648         (arm_mangle_type): New.
8649         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8650         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8651         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8652         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8653         (TARGET_MANGLE_TYPE): Define this instead.
8654         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8655         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8656         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8657         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8658         (TARGET_MANGLE_TYPE): Define this instead.
8659         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8660         to...
8661         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8662         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8663         (TARGET_MANGLE_TYPE): Define this instead.
8664         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8665         (s390_mangle_type): This.
8666         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8667         (TARGET_MANGLE_TYPE): Define this instead.
8668         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8669         (sparc_mangle_type): This.
8670         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8671         (TARGET_MANGLE_TYPE): Define this instead.
8672         * cp/mangle.c (write_type): Call mangle_type target hook on all
8673         types before mangling.  Use original type, not main variant, as
8674         argument.
8675         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8676         (TARGET_MANGLE_TYPE): This.
8677         * target.h (gcc_target): Rename mangle_fundamental_type to
8678         mangle_type.
8679         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8680         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8681
8682 2007-07-25  Julian Brown  <julian@codesourcery.com>
8683             Paul Brook  <paul@codesourcery.com>
8684             Joseph Myers  <joseph@codesourcery.com>
8685             Mark Shinwell  <shinwell@codesourcery.com>
8686
8687         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8688         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8689         (with_fpu): Allow --with-fpu=neon.
8690         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8691         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8692         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8693         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8694         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8695         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8696         (neon_emit_pair_result_insn, neon_disambiguate_copy)
8697         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
8698         (output_move_neon): Add prototypes.
8699         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
8700         (all_fpus): Add FPUTYPE_NEON.
8701         (fp_model_for_fpu): Add NEON field.
8702         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
8703         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
8704         in registers.
8705         (arm_legitimate_address_p): Don't support fancy addressing for NEON
8706         structure moves.
8707         (thumb2_legitimate_address_p): Likewise.
8708         (neon_valid_immediate): Recognize and prepare constants suitable for
8709         NEON instructions.
8710         (neon_immediate_valid_for_move): New function. Recognize and prepare
8711         immediates for NEON move instructions.
8712         (neon_immediate_valid_for_logic): New function. Recognize and
8713         prepare immediates for NEON logic instructions.
8714         (neon_output_logic_immediate): New function. Create asm string
8715         suitable for outputting immediate logic instructions.
8716         (neon_pairwise_reduce): New function. Implement reduction using
8717         pairwise operations.
8718         (neon_expand_vector_init): New function. Expand a (possibly
8719         non-constant) vector initialization.
8720         (neon_vector_mem_operand): New function. Memory operands supported
8721         for quad-word loads/stores to/from ARM or NEON registers. Don't
8722         allow base+offset addressing for core regs.
8723         (neon_struct_mem_operand): New function. Valid mems for NEON
8724         structure moves.
8725         (coproc_secondary_reload_class): Enable NEON registers to be loaded
8726         from neon_vector_mem_operand addresses without a secondary register.
8727         (add_minipool_forward_ref): Handle >8-byte minipool entries.
8728         (add_minipool_backward_ref): Likewise.
8729         (dump_minipool): Likewise.
8730         (push_minipool_fix): Likewise.
8731         (output_move_quad): New function. Output quad-word moves, loads and
8732         stores using ARM registers.
8733         (output_move_vfp): Add support for vectors in VFP (NEON) D
8734         registers.
8735         (output_move_neon): Output a NEON load/store to/from a quadword
8736         register.
8737         (arm_print_operand): Implement new codes:
8738         - 'c' for unadorned integers (without a # sign).
8739         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
8740         mode.
8741         - 'e', 'f' for the low and high D parts of a NEON Q register.
8742         - 'q' outputs a NEON Q register.
8743         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
8744         - 'T' prints NEON opcode features from a coded bitmask.
8745         - 'F' is similar to T, but signed/unsigned codes both print as
8746         'i'.
8747         - 't' is similar to T, but 'u' is printed instead of 'p'.
8748         - 'O' prints 'r' if NEON instruction should perform rounding (as
8749         specified by bitmask), else prints nothing.
8750         - '#' is a punctuation character to stop operand numbers from
8751         running together with following digits in the assembler
8752         strings for instructions (when using mode attributes).
8753         (arm_assemble_integer): Handle extra NEON vector modes. Permute
8754         constant vectors in big-endian mode, where necessary.
8755         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
8756         Handle EI, OI, CI, XI modes.
8757         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
8758         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
8759         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
8760         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
8761         (neon_builtin_type_bits): Add enumeration, one bit for each vector
8762         type.
8763         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
8764         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
8765         to turn v8qi, etc. into bits defined above.
8766         (neon_itype): New enumeration. Classifications of NEON builtins.
8767         (neon_builtin_datum): Define struct. Contains information about
8768         a single builtin (with multiple modes).
8769         (CF): Define helper macro for...
8770         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
8771         modes.
8772         (neon_builtin_data): New array. Define information about builtins
8773         for use during initialization/expansion.
8774         (arm_init_neon_builtins): New function.
8775         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
8776         true.
8777         (neon_builtin_compare): New function.
8778         (locate_neon_builtin_icode): New function. Find an insn code for a
8779         builtin given a function code for that builtin. Also return type of
8780         builtin (NEON_BINOP, NEON_UNOP etc.).
8781         (builtin_arg): New enumeration. Types of arguments for builtins.
8782         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
8783         Takes a variable argument list of builtin_arg types, terminated by
8784         NEON_ARG_STOP.
8785         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
8786         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
8787         (neon_emit_pair_result_insn): New function. Support returning pairs
8788         of vectors via a pointer.
8789         (neon_disambiguate_copy): New function. Set up operands for a
8790         multi-word copy such that registers do not get clobbered.
8791         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
8792         ARM_BUILTIN_NEON_BASE.
8793         (arm_file_start): Set float-abi attribute for NEON.
8794         (arm_vector_mode_supported_p): Enable NEON vector modes.
8795         (arm_mangle_map_entry): New.
8796         (arm_mangle_map): New.
8797         (arm_mangle_vector_type): New.
8798         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
8799         when appropriate.
8800         (TARGET_NEON): New macro. Target supports NEON.
8801         (fputype): Add FPUTYPE_NEON.
8802         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
8803         for vectorization based on command-line arg.
8804         (NEON_REGNO_OK_FOR_NREGS): Define.
8805         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
8806         (VALID_NEON_STRUCT_MODE): Define.
8807         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
8808         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
8809         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
8810         (consttable_16): Add pattern for outputting 16-byte minipool
8811         entries.
8812         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
8813         vec-common.md).
8814         (vec-common.md, neon.md): Include md files.
8815         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
8816         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
8817         (memory_constraint "Ut", "Un", "Us"): Define.
8818         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
8819         (MMX_char): New mode attribute.
8820         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
8821         (*add<mode>3_iwmmxt): New insn pattern.
8822         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
8823         (*sub<mode>3_iwmmxt): New insn pattern.
8824         (mulv4hi3): Rename to...
8825         (*mulv4hi3_iwmmxt): This.
8826         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
8827         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
8828         (uminv4hi3, uminv2si3): Remove. Replace with...
8829         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
8830         (*umin<mode>3_iwmmxt): These.
8831         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
8832         (ashr<mode>3_iwmmxt): This new pattern.
8833         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
8834         (lshr<mode>3_iwmmxt): This new pattern.
8835         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
8836         (ashl<mode>3_iwmmxt): This new pattern.
8837         * config/arm/neon-docgen.ml: New file. Generate documentation for
8838         intrinsics.
8839         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
8840         * config/arm/arm_neon.h: New (autogenerated).
8841         * config/arm/neon-testgen.ml: New file. Generate NEON tests
8842         automatically.
8843         * config/arm/neon.md: New file. Define NEON instructions.
8844         * config/arm/neon.ml: New file. Abstract description of NEON
8845         instructions, used to generate arm_neon.h header, documentation and
8846         tests.
8847         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
8848         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
8849         support.
8850         * doc/extend.texi (ARM Built-in Functions): Rename and remove
8851         extraneous comma.
8852         (ARM NEON Intrinsics): New subsection.
8853         * doc/arm-neon-intrinsics.texi: New (autogenerated).
8854
8855 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
8856
8857         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
8858         prototype.
8859
8860 2007-07-24  Jan Hubicka  <jh@suse.cz>
8861
8862         * regclass.c (move_table): New type.
8863         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
8864         (init_move_cost): Break out from ...
8865         (init_reg_sets_1): ... here; simplify computation of
8866         have_regs-of_mode and contains_reg_of_mode.
8867         (record_reg_classes): Unswitch internal loops.
8868         (copy_cost): Trigger lazy initialization of move cost
8869         (record_address_regs): Likewise.
8870
8871 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
8872
8873         * config/darwin.c (darwin_override_options): Don't force on
8874         flag_var_tracking_uninit when no debug info is requested.
8875
8876 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8877
8878         * cfgloop.c (init_loops_structure): New function.
8879         (flow_loops_find): Create root of the loop tree unconditionally.
8880
8881 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
8882
8883         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
8884
8885 2007-07-24  Jan Hubicka  <jh@suse.cz>
8886
8887         * caller-save.c: Include ggc.h, gt-caller-save.h
8888         (reg_save_code, reg_restore_code): Rename to ...
8889         (cached_reg_save_code, cached_reg_restore_code): ... those.
8890         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
8891         (reg_save_code, reg_restore_code): New functions.
8892         (init_caller_save): Do not intialize
8893         reg_save_code/reg_restore_code tables.
8894         * Makefile.in: (gt-caller-save.h): New.
8895
8896 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8897
8898         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
8899         with the mode of the original operand instead of
8900         integer_one_node.
8901
8902 2007-07-23  Jan Hubicka  <jH@suse.cz>
8903
8904         * i386.c (ix86_secondary_memory_needed): Break out to...
8905         (inline_secondary_memory_needed): ... here.
8906         (ix86_memory_move_cost): Break out to ...
8907         (inline_memory_move_cost): ... here; add support for IN value of 2 for
8908         maximum of input and output; fix handling of Q_REGS on 64bit.
8909         (ix86_secondary_memory_needed): Microoptimize.
8910
8911 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
8912
8913         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
8914         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
8915         stmts_from_loop, known_dependences_p, build_rdg): New.
8916         * tree-data-ref.h: Depends on graphds.h.
8917         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
8918         (build_rdg): Declared.
8919         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
8920
8921 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
8922
8923         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
8924         ccp_min_invariant.
8925
8926 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
8927             Jakub Jelinek  <jakub@redhat.com>
8928
8929         PR middle-end/PR28690
8930         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
8931         EQ compares.
8932         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
8933         and MEM_POINTER operands over REG and MEM operands.
8934         (swap_commutative_operands_p): Change return value to bool.
8935         * rtl.h: Update the corresponding prototype.
8936         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
8937         instead of gen_rtx_PLUS.
8938         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
8939         value to bool.  Change function arguments to rtx's and update code
8940         to match.
8941         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
8942         calls to match the new declaration.
8943         * simplify-rtx.c (simplify_associative_operation): Don't
8944         reorder simplify_binary_operation arguments.
8945
8946 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8947
8948         * config/mips/mips.c (override_options): Use mips_costs to derive
8949         the default branch cost.
8950         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
8951         than mips_costs.
8952         * config/mips/mips.opt (mbranch-cost=): New option.
8953         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
8954
8955 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8956
8957         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
8958         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
8959         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
8960         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
8961
8962 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8963
8964         * config/mips/constraints.md (ks): New constraint.
8965         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
8966         (*add<mode>3_mips16): ...here.
8967
8968 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
8969
8970         * optabs.h (enum optab_index): Add new OTI_signbit.
8971         (signbit_optab): Define corresponding macro.
8972         (enum insn_code signbit_optab[]): Remove array.
8973         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
8974         (expand_copysign_absneg): If back end provides signbit insn, use it
8975         instead of bit operations on floating point argument.
8976         * builtins.c (enum insn_code signbit_optab[]): Remove array.
8977         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
8978         for availability of signbit insn.
8979
8980         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
8981         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
8982         SSE mode is not active.
8983         (isinf<mode>2): Disable for mfpmath=sse,387.
8984
8985 2007-07-22  Ben Elliston  <bje@au.ibm.com>
8986
8987         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
8988         `class' parameter.
8989         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
8990
8991 2007-07-20  Richard Guenther  <rguenther@suse.de>
8992
8993         * tree-cfg.c (verify_expr): COND_EXPRs can have any
8994         integral typed condition.
8995         * tree-ssa.c (useless_type_conversion_p): Do not preserve
8996         booleanness.  Only preserve conversions from a non-base
8997         type to a base type, not in general between types with
8998         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
8999         * tree.def (COND_EXPR): Document that the condition
9000         can be of any integral type.
9001
9002 2007-07-20  Nigel Stephens  <nigel@mips.com>
9003             Richard Sandiford  <richard@codesourcery.com>
9004
9005         * config/mips/mips.h (mips_dwarf_regno): Declare.
9006         (DBX_REGISTER_NUMBER): Remove redundant brackets.
9007         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
9008         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
9009         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
9010         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9011         (REG_CLASS_NAMES): Update accordingly.
9012         * config/mips/mips.c (mips_dwarf_regno): New array.
9013         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9014         (mips_subword): Remove special handling for accumulator registers.
9015         (override_options): Initiailize mips_dwarf_regno.  Remove use
9016         of ACC_HI_REG_P.
9017         (mips_swap_registers): New function.
9018         (mips_conditional_register_usage): Swap accumulator registers
9019         around if TARGET_LITTLE_ENDIAN.
9020         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9021         * config/mips/constraints.md (h, l): Use the endianness to choose
9022         between MD0_REG and MD1_REG.
9023         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9024         alternative-dependent template.
9025
9026 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9027
9028         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9029         no_new_pseudos.
9030
9031 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9032
9033         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9034         predecessor fallthru flags.
9035
9036 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9037
9038         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9039         of compare to the same type.
9040         * cfgloopmanip.c (add_loop): Update information about loop exits.
9041         (loop_version): Remove the innermost loop requirement.
9042         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9043         to sizetype for pointers.
9044
9045 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9046
9047         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9048         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9049         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9050
9051         * config/dfp-bit.c: Empty for TFmode conversions.
9052
9053 2007-07-18  Caroline Tice  <ctice@apple.com>
9054         
9055         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9056         and handle them correctly; check that src is not NULL before
9057         trying to use it.
9058         (find_src_set_src): Likewise.
9059         
9060 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9061         
9062         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9063         (struct alignment_context, init_alignment_context): New.
9064         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9065         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9066         (XCHAL_HAVE_S32C1I): Likewise.
9067         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9068         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9069         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9070         (ATOMIC, HQI): New macros.
9071         (memory_barrier, *memory_barrier): New.
9072         (sync_lock_releasesi): New.
9073         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9074         (sync_lock_test_and_set<mode>): New.
9075         (sync_<atomic><mode>): New.
9076         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9077         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9078         (xtensa_expand_atomic): New.
9079         
9080 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9081
9082         PR target/30652
9083
9084         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9085         transformation for builtin ISNORMAL.
9086         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9087         * builtins.def (BUILT_IN_ISNORMAL): New.
9088         * doc/extend.texi: Document isnormal.
9089
9090 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9091
9092         PR target/30652
9093
9094         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9095         optabs infrastructure.  Provide generic implementation for
9096         FINITE/ISFINITE.
9097         (expand_builtin): Handle FINITE/ISFINITE.
9098         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9099         (fold_builtin_1): Likewise.
9100
9101         * builtins.def (BUILT_IN_ISFINITE): New.
9102
9103         * doc/extend.texi: Document isfinite.
9104
9105 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9106
9107         PR target/30652
9108         PR middle-end/20558
9109
9110         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9111         generic fallback for isinf.
9112         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9113         calculation code ...
9114         * real.c (get_max_float): ... to here.
9115         * real.h (get_max_float): New.
9116
9117 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9118
9119         PR middle-end/32668
9120
9121         * builtin-attrs.def (ATTR_TYPEGENERIC,
9122         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9123
9124         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9125         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9126         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9127         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9128
9129         * c-common.c (handle_type_generic_attribute): New.
9130         (c_common_attribute_table): Add "type generic".
9131
9132         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9133
9134 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9135
9136         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9137         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9138         properly.
9139
9140 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9141
9142         PR target/32808
9143         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9144         checking that the operand is an expression.
9145
9146 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9147             Danny Smith  <dannysmith@users.sourceforge.net>
9148
9149         PR/other 30335
9150         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9151         file mapping object in local namespace if Windows version later
9152         than NT4
9153
9154 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9155
9156         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9157         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9158         arm_cannot_force_const_mem.
9159         (arm_cannot_force_const_mem): New function.
9160         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9161         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9162         of arm_tls_referenced_p.
9163         * config/arm/arm.md (movsi): Split out-of-section constants when
9164         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9165         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9166
9167 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9168
9169         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9170
9171 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9172
9173         * config/mips/mips.md (*extendqihi2): Convert the destination
9174         to SImode.
9175
9176 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9177
9178         * config/pa/fptr.c: Update license header.
9179         * config/pa/milli64.S: Likewise.
9180
9181 2007-07-17  Nick Clifton  <nickc@redhat.com>
9182
9183         * COPYING_v3: New file.  Contains version 3 of the GNU General
9184         Public License.
9185         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9186         Lesser General Public License.
9187         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9188         the GNU General Public License.
9189
9190 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9191
9192         PR rtl-optimization/32773
9193         * cfglayout.c (force_one_exit_fallthru): New function.
9194         (cfg_layout_finalize): Use it.
9195
9196 2007-07-16  Richard Guenther  <rguenther@suse.de>
9197             Uros Bizjak  <ubizjak@gmail.com>
9198
9199         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9200         before forcing it to gimple operand.
9201
9202 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9203             David Ung  <davidu@mips.com>
9204
9205         * config/mips/mips.h (TUNE_24K): Define.
9206         (TUNE_MACC_CHAINS): Add TUNE_24K.
9207         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9208         imadd.
9209         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9210         (r74k_int_madd): .. this new reservation.
9211         (define_bypass): Fixed bypasses for r74k_int_madd to use
9212         mips_linked_madd_p.
9213         * config/mips/24k.md (define_bypass): Define new
9214         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9215
9216 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9217             Nigel Stephens  <nigel@mips.com>
9218
9219         * config/mips/mips.md: Include 20kc.md.
9220         * config/mips/20kc.md: New file.
9221         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9222         (mips_adjust_cost): Tweak for 20Kc.
9223         (mips_issue_rate): Likewise.
9224         * config/mips/mips.h (TUNE_20KC): Define.
9225
9226 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9227
9228         * config/rs6000/rs6000.c (struct processor_cost): Add
9229         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9230         fields.
9231         (*_cost): Add cache information.
9232         (rs6000_override_options): Set cache parameters.
9233
9234 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9235
9236         PR bootstrap/3456
9237         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9238         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9239
9240 2007-07-16  Paul Brook  <paul@codesourcery.com>
9241
9242         PR target/32753
9243         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9244         (cirrus_thumb2_movsi_insn): Ditto.
9245
9246 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9247
9248         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9249         CR2_REGNO to R_CR2.
9250
9251 2007-07-15  Andrew Haley  <aph@redhat.com>
9252
9253         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9254         before looking in the context.
9255
9256 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9257
9258         PR middle-end/32398
9259         PR middle-end/32769
9260         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9261         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9262         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9263         (pa_output_function_prologue): Use rp_saved and
9264         current_function_is_leaf to generate .CALLINFO statement.
9265         (hppa_expand_prologue): Set rp_saved.
9266         (hppa_expand_epilogue): Use rp_saved.
9267         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9268         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9269
9270 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9271
9272         * omega.c (coalesce): Fix memory leak on early exit.
9273         * matrix-reorg.c (check_allocation_function): Likewise.
9274         * tree-vect-transform.c (vect_get_new_vect_var): free result
9275         of concat().
9276         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9277         pass pointer to edge vector
9278         (partition_hot_cold_basic_blocks): Fix memory leak.
9279         * collect2.c (prefix_from_string): Free temporary storage.
9280         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9281
9282 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9283
9284         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9285         (DO_GLOBAL_DTORS_BODY): Likewise.
9286
9287 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9288             Nigel Stephens  <nigel@mips.com>
9289
9290         * config/mips/mips.c (mips_classify_symbol): Don't return
9291         SYMBOL_SMALL_DATA for constant pool addresses if
9292         TARGET_EMBEDDED_DATA is true.
9293
9294 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9295
9296         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9297         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9298         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9299         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9300         __builtin_ia32_storehps, __builtin_ia32_storelps,
9301         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9302         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9303         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9304         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9305         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9306         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9307         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9308         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9309         using def_builtin_const.
9310
9311 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9312
9313         PR tree-optimization/32705
9314         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9315         (simplify_binary_expression): Use SSA_VAL consistently.
9316
9317 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9318
9319         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9320         (SPEFSCR_REGNO): Delete definition.
9321         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9322         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9323         * config/rs6000/rs6000.h: Do not define *_REGNO.
9324         LINK_REGISTER_REGNUM -> LR_REGNO.
9325         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9326         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9327         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9328         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9329         R_VRSAVE, R_VSCR. Use them.
9330         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9331         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9332         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9333         * config/rs6000/aix.h: Define R_LR.  Use it.
9334         
9335 2007-07-13  Caroline Tice  <ctice@apple.com>
9336         
9337         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9338         flag_var_tracking is explicitly turned off (i.e. when variable
9339         tracking is not feasible); otherwise, turn flag_var_tracking on when
9340         flag_var_tracking_uninit is on.
9341         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9342         note definitions, to allow recording of initialization status in the
9343         notes.
9344         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9345         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9346         determine if two note locations are equal.
9347         (output_loc_list): Don't output list entries whose start & end labels
9348         are the same.
9349         (reg_loc_descriptor): Add parameter for initialization status; pass it
9350         to other loc descriptor functions.
9351         (one_reg_loc_descriptor): Add parameter for initialization status;
9352         check its value and add DW_OP_GNU_uninit to returned loc descr if
9353         appropriate.
9354         (multiple_reg_loc_descriptor): Add parameter for initialization
9355         status;
9356         pass init status argument to other loc descriptor functions; check
9357         value of intialization parameter and add DW_OP_GNU_uninit to returned
9358         loc descr if appropriate.
9359         (based_loc_descr): Add parameter for initialization status; add new
9360         variable for return value; check value of initialization parameter and
9361         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9362         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9363         pass init status argument to other loc descriptor functions; check
9364         value of intialization parameter and add DW_OP_GNU_uninit to returned
9365         loc descr if appropriate.
9366         (mem_loc_descriptor): Likewise.
9367         (concat_loc_descriptor): Likewise.
9368         (concatn_loc_descriptor): Likewise.
9369         (loc_descriptor): Add parameter for initialization status; pass it as
9370         argument to other loc descriptor function calls.
9371         (loc_descriptor_from_tree_1): Add appropriate initialization status
9372         to loc descriptor function calls.
9373         (add_location_or_const_value_attribute): Get initialization status
9374         from VAR_LOCATION note; add initialization status to loc descriptor
9375         function calls.
9376         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9377         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9378         status is uninitialized, add "[uninint]" to output.
9379         * common.opt (fvar-tracking-uninit): New option, similar to
9380         fvar-tracking, to turn on tracking of uninitialized variables; creates
9381         a new global flag, flag_var_tracking_uninit.
9382         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9383         (enum var_init_status): New type, for var initialization status field.
9384         * var-tracking.c (struct location_chain_def): Two new fields, init,
9385         for initialization status, and set_src for the assignment value expr.
9386         (unshare_variable): New parameter for initialization status;
9387         initialize new init and set_src fields.
9388         (var_reg_set): New parameters for initialization status and value;
9389         pass them to set_variable_part.
9390         (var_mem_set): Likewise.
9391         (get_init_value): New function.
9392         (var_reg_delete_and_set): New initialization status & value
9393         parameters; add call to get_init_value if status is unknown; pass new
9394         parameters to clobber_variable_part and var_reg_set.
9395         (var_mem_delete_and_set): Likewise.
9396         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9397         (var_mem_delete): Likewise.
9398         (variable_union): Pass status to unshare_variable; initialize new init
9399         and set_src fields. If flag_var_tracking_uninit is not set, force
9400         status to initialized.
9401         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9402         used later to get the set_src value.
9403         (find_src_status): New function.
9404         (find_src_set_src): New function.
9405         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9406         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9407         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9408         and var_mem_delete_and_set.
9409         (dump_variable): Print out "[uninit]" if appropriate.
9410         (set_variable_part): Add new initialization and set_src parameters;
9411         pass status to unshare_variable; set node->init and node- >set_src
9412         fields and modify slot in hash table appropriately; save the init and
9413         set_src values if appropriate and assign to the new node.
9414         (clobber_variable_part): New set_src parameter; if two nodes have
9415         same variable and same location but different set_src (assignment)
9416         values, clobber old node.
9417         (delete_variable_part): Pass init status to unshare_variable.
9418         (emit_note_insn_var_location): Add initialized var; assign var's init
9419         status to new 'initialized'; pass new init status field to calls to
9420         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9421         status to initialized.
9422         (emit_notes_in_bb): Pass initialization status to calls to
9423         var_reg_set, var_mem_set, var_reg_delete_and_set and
9424         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9425         var_reg_delete_and_set and var_mem_delete_and_set; call
9426         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9427         make up for change in add_stores.
9428         (vt_add_function_parameters): Add status to calls to
9429         set_variable_part.
9430         * config/darwin.c (darwin_override_options): Turn on uninitialized
9431         tracking automatically, if var_tracking is on and the system is
9432         10.5 or higher.
9433         
9434 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9435
9436         * config.gcc: Add options for arch and tune on SPU.
9437         * config/spu/predicates.md: Add constant operands 0 and 1.
9438         * config/spu/spu-builtins.def: Add builtins for double precision 
9439         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, 
9440         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9441         spu_testsv.
9442         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with 
9443         a CELLEDP target.
9444         * config/spu/spu-protos.h: Add new function prototypes. 
9445         * config/spu/spu.c (spu_override_options): Check options -march and
9446         -mtune.
9447         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9448         (spu_emit_branch_or_set): Use the new code for DFmode and vector 
9449         mode comparison.
9450         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9451         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9452         (spu_emit_vector_compare): New.  Emit vector compare.
9453         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9454         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9455         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9456         CANONICALIZE_COMPARISON.
9457         * config/spu/spu.md: Add new insns for double precision compare
9458         and double precision vector compare.  Add vcond and smax/smin patterns
9459         to enable DFmode vector conditional expression.
9460         * config/spu/spu.opt: Add options -march and -mtune.
9461         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9462         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9463         both CELL and CELLEDP targets: spu_testsv.
9464         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special 
9465         values.
9466
9467 2007-07-13  Richard Guenther  <rguenther@suse.de>
9468
9469         PR tree-optimization/32721
9470         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9471         TREE_THIS_VOLATILE on the folded reference.
9472         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9473         if the array reference has TREE_THIS_VOLATILE set.
9474
9475 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9476
9477         PR other/32188
9478         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9479
9480 2007-07-13  Andreas Schwab  <schwab@suse.de>
9481
9482         * gengtype-lex.l: Allow declarations to be indented.
9483
9484 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9485
9486         * ginclude/tgmath.h: New.
9487         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9488         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9489         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9490         * configure: Regenerate.
9491
9492 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9493
9494         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9495         correct index when setting register save state for xd
9496         registers.
9497
9498 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9499
9500         * config/sh/sh.c (mark_use): Remove.
9501
9502 2007-07-12  Paul Brook  <paul@codesourcery.com>
9503
9504         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9505         reg does not overlap return value.
9506
9507 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9508
9509         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9510         (set_expression_vuses): Ditto.
9511         (init_pre): Initialize expression_vuses.
9512
9513 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9514
9515         * config/i386/sse.md (storentdf, storentsf): New.
9516
9517 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9518
9519         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9520         FUNCTION_DECL.
9521         * tree.c (build_decl_stat): Move code from here...
9522         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9523         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9524         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9525         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9526         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9527         FUNCTION_BOUNDARY.
9528
9529 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9530             Devang Patel  <dpatel@apple.com>
9531
9532         PR tree-optimization/25413
9533         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9534         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9535         * tree.h (contains_packed_reference): New.
9536         * expr.c (contains_packed_reference): New.
9537         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9538         (vect_enhance_data_refs_alignment): Call
9539         vector_alignment_reachable_p.
9540         * target.h (vector_alignment_reachable): New builtin.
9541         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9542         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9543         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9544
9545 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9546
9547         * target.h (builtin_vectorization_cost): Add new target builtin.
9548         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9549         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9550         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9551         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9552         uninitialized variables.
9553         * tree-vect-transform.c (cost_for_stmt): New function.
9554         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9555         using cost 1 for all scalar stmts. Be less conservative when
9556         estimating the number of prologue/epulogue iterations. Call
9557         targetm.vectorize.builtin_vectorization_cost. Return
9558         min_profitable_iters-1.
9559         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9560         initialization cost instead of TARG_VEC_STMT_COST. Use
9561         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9562         epilogue code. Fix epilogue cost computation.
9563         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9564         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9565         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9566         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9567         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9568         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9569
9570 2007-07-12  Richard Guenther  <rguenther@suse.de>
9571
9572         * gimplify.c (gimplify_conversion): Make sure that the result
9573         from maybe_fold_offset_to_reference is trivially convertible
9574         to the desired type before doing the simplification.
9575         (gimplify_expr): Likewise.
9576         * fold-const.c (fold_binary): Use the correct types for
9577         building the simplified expression.
9578
9579 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9580
9581         PR rtl-optimization/32729
9582         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9583         that fallthru to exit.
9584
9585 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9586
9587         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9588         (symDTPOFF2reg): Likewise.
9589
9590 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9591
9592         PR tree-optimization/32663
9593         
9594         * tree.h (VALUE_HANDLE_VUSES): Remove.
9595         (struct tree_value_handle): Remove vuses.
9596
9597         * tree-vn.c (create_value_handle_for_expr): Don't set
9598         VALUE_HANDLE_VUSES. 
9599
9600         * tree-ssa-pre.c (expression_vuses): New.
9601         (alloc_expression_id): Set up expression_vuses.
9602         (get_expression_vuses): New.
9603         (set_expression_vuses): Ditto.
9604         (clear_expression_ids): Modify for expression_vuses.
9605         (phi_translate_1): Ditto.
9606         (phi_translate_set): Ditto.
9607         (value_dies_in_block_x): Ditto
9608         (valid_in_sets): Ditto.
9609         (add_to_sets): Ditto.
9610         (find_existing_value_expr): Ditto.
9611         (create_value_handle_for_expr): Ditto.
9612         (make_values_for_stmt): Ditto.
9613         (vuse_equiv): Remove.
9614
9615 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9616
9617         * Makefile.in (mostlyclean): Remove object files.
9618
9619 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9620
9621         * toplev.c (no_new_pseudos): Deleted.
9622         * rtl.h (no_new_pseudos): Deleted.
9623         * tree-pass.h (pass_no_new_pseudos): Deleted. 
9624         * passes.c (pass_no_new_pseudos): Deleted.
9625         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9626         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9627         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with 
9628         reload_completed.
9629         * cfgcleanup.c (try_crossjump_to_edge): Ditto. 
9630         * rtlhooks.c (gen_lowpart_general): Ditto.
9631         * optabs.c (prepare_operand): Ditto.
9632         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9633         no_new_pseudos.
9634         * modulo-sched.c (rest_of_handle_sms): Ditto.
9635         * see.c (rest_of_handle_see): Ditto.
9636         * ifcvt.c (if_convert): Ditto.
9637         (gate_handle_if_after_combine): Replaced no_new_pseudos with 
9638         reload_completed.
9639         * init-regs.c (gate_initialize_regs): Deleted set of
9640         no_new_pseudos.
9641         * lower-subreg.c (decompose_multiword_subregs): Ditto. 
9642         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9643         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9644         
9645 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9646
9647         PR target/32661
9648         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9649         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9650         (*vec_extractv2di_1_rex64): New insn pattern.
9651
9652 2007-07-11  David Daney  <ddaney@avtrex.com>
9653
9654         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9655         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9656         for SIGNAL_UNWIND_RETURN_COLUMN.
9657         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9658         (DWARF_FRAME_REGNUM): Rewrite.
9659         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9660
9661 2007-07-11  Nick Clifton  <nickc@redhat.com>
9662
9663         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9664         delta and use gen_int_mode in place of GET_INT instead.
9665
9666 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9667
9668         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9669         and letter field.
9670
9671 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9672
9673         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9674         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical 
9675         types or not.
9676         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9677         (USE_CANONICAL_TYPES): New.
9678         * doc/invoke.texi (verify-canonical-types): Remove.
9679         (use-canonical-types): Add.
9680
9681 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9682
9683         * config/spu/spu.c (spu_optimization_options): Remove setting of
9684         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9685         (spu_override_options): Move it here.
9686
9687 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9688
9689         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9690         * config/mips/mips.c (mips_cpu_info_table): Mention
9691         MIPS_ISA_LEVEL_SPEC in the comment.
9692
9693 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9694
9695         PR tree-optimization/32713
9696         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
9697
9698 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
9699
9700         PR middle-end/30482
9701         * c-opts.c (c_common_post_options): Do not change flag_complex_method
9702         conditional to flag_isoc99.
9703         (c_common_init_options): Do it here, unconditionally.
9704
9705 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9706
9707         PR tree-optimization/32589
9708         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
9709         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
9710         * tree-ssa-propagate.c (valid_gimple_expression_p): New
9711         predicate, extracted from...
9712         (set_rhs): ...here.  Call it for the expression on entry.
9713         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
9714         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
9715         (simplify_binary_expression): Use valid_gimple_expression_p
9716         to validate the simplification.
9717         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
9718
9719 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
9720
9721         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
9722         DWARF2_DEBUG on 32 bit target too.
9723         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition. 
9724
9725 2007-07-11  Nick Clifton  <nickc@redhat.com>
9726
9727         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
9728         version for 64-bit hosts.
9729
9730 2007-07-10  David Daney  <ddaney@avtrex.com>
9731
9732         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
9733         predicate.
9734         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
9735         call.
9736         * config/mips/mips.c (mips_expand_synci_loop): New function.
9737         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
9738         (UNSPEC_RDHWR): Same.
9739         (UNSPEC_SYNCI): Same.
9740         (UNSPEC_SYNC): Same.
9741         (clear_cache): New expand.
9742         (sync): New insn.
9743         (synci): Same.
9744         (rdhwr): Same.
9745         (clear_hazard): Same.
9746         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
9747         function.
9748         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
9749         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
9750
9751 2007-07-10  Ian Lance Taylor  <iant@google.com>
9752
9753         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
9754         no_new_pseudos.
9755
9756 2007-07-10  David Daney  <ddaney@avtrex.com>
9757
9758         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
9759         * builtins.c (expand_builtin___clear_cache): New function.
9760         (expand_builtin): Call expand_builtin___clear_cache for
9761         BUILT_IN_CLEAR_CACHE case.
9762         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
9763         * doc/md.texi (clear_cache): Document new instruction pattern.
9764         * testsuite/gcc.dg/builtins-64.c: New test.
9765
9766 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
9767
9768         * config/cris/cris.md ("movsi"): Fix typo in last change.
9769
9770 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
9771
9772         PR 32617
9773         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
9774         FUNCTION_DECLs.
9775         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
9776         * varasm.c (assemble_start_function): Honor DECL_ALIGN
9777         for FUNCTION_DECLs.  Don't use align_functions_log if
9778         DECL_USER_ALIGN.
9779         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
9780         even for FUNCTION_DECLs.
9781         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
9782         FUNCTION_DECLs.
9783         * tree.h (DECL_ALIGN): Update for new location of 'align'.
9784         (DECL_FUNCTION_CODE): Update for new location and name of
9785         'function_code'.
9786         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
9787         (struct tree_decl_common): Move 'align' and 'off_align' out
9788         of union, ensure they're still on a 32-bit boundary.  Remove
9789         other fields in union 'u1'.
9790         (struct tree_function_decl): Add field 'function_code' replacing
9791         'u1.f' in tree_decl_common.
9792         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
9793         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
9794         (Variable Attributes): Cross-reference 'aligned' attribute
9795         to Function Attributes.
9796         * flags.h (force_align_functions_log): Delete.
9797         * toplev.c (force_align_functions_log): Delete.
9798
9799 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
9800
9801         PR target/32708
9802         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
9803         (*vec_concatv2di_rex): New insn pattern.
9804
9805 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9806
9807         PR target/32538
9808         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
9809
9810 2007-07-10  Ian Lance Taylor  <iant@google.com>
9811
9812         Replace no_new_pseudos in backends.
9813         * rtl.h (can_create_pseudo_p): Define.
9814         * config/darwin.c (machopic_indirect_data_reference): Use
9815         can_create_pseudo_p () instead of no_new_pseudos.
9816         (machopic_indirect_data_reference): Likewise.
9817         (machopic_legitimize_pic_address): Likewise.
9818         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
9819         (alpha_emit_set_const_1): Likewise.
9820         (alpha_emit_set_const): Likewise.
9821         (alpha_emit_conditional_move): Likewise.
9822         (alpha_split_conditional_move): Likewise.
9823         * config/alpha/alpha.md (various splitters): Likewise.
9824         (movti): Likewise.
9825         * config/arm/arm.c (legitimize_pic_address): Likewise.
9826         (arm_load_pic_register): Likewise.
9827         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
9828         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
9829         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
9830         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
9831         * config/cris/cris.md (movsi): Likewise.
9832         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
9833         (symGOTOFF2reg_hilo): Likewise.
9834         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
9835         * config/h8300/h8300.md (insv, extzv): Likewise.
9836         * config/i386/i386.c (ix86_expand_move): Likewise.
9837         (ix86_expand_vector_move): Likewise.
9838         (ix86_prepare_fp_compare_args): Likewise.
9839         (ix86_expand_carry_flag_compare): Likewise.
9840         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
9841         (tls_dynamic_gnu2_combine_32): Likewise.
9842         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
9843         * config/ia64/ia64.c (ia64_expand_move): Likewise.
9844         (ia64_expand_movxf_movrf): Likewise.
9845         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
9846         (m32c_split_move): Likewise.
9847         (m32c_expand_insv): Likewise.
9848         * config/m68k/m68k.md (movsi): Likewise.
9849         * config/mips/mips.c (mips_force_temporary): Likewise.
9850         (mips_split_symbol): Likewise.
9851         (mips_move_integer): Likewise.
9852         (mips_legitimize_const_move): Likewise.
9853         * config/mn10300/mn10300.md (movsi): Likewise.
9854         * config/pa/pa.c (emit_move_sequence): Likewise.
9855         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9856         (rs6000_got_register): Likewise.
9857         (create_TOC_reference): Likewise.
9858         (rs6000_machopic_legitimize_pic_address): Likewise.
9859         * config/rs6000/rs6000.md (add<mode>3): Likewise.
9860         (various splitters): Likewise.
9861         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
9862         (movsi_got): Likewise.
9863         * config/s390/s390.c (emit_symbolic_move): Likewise.
9864         * config/s390/s390.md (movhi, movqi): Likewise.
9865         (load_multiple, store_multiple): Likewise.
9866         * config/score/score.c (score_force_temporary): Likewise.
9867         * config/sh/sh.c (prepare_move_operands): Likewise.
9868         (prepare_cbranch_operands): Likewise.
9869         (emit_fpu_switch): Likewise.
9870         (fpscr_set_from_mem): Likewise.
9871         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
9872         (adddi3, subsi3): Likewise.
9873         (various splitters): Likewise.
9874         (divsi_inv_fp_combine): Likewise.
9875         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
9876         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
9877         (sne): Likewise.
9878         * config/sh/predicates.md (xor_operand): Likewise.
9879         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
9880         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
9881         (movdi_pic_label_ref): Likewise.
9882         * config/spu/spu.c (spu_split_immediate): Likewise.
9883         * config/alpha/alpha.md (various splitters): Remove test
9884         !no_new_pseudos || reload_completed.
9885         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
9886         no_new_pseudos.
9887         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
9888         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
9889         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
9890         * config/score/score.c (th_output_mi_thunk): Likewise.
9891         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9892         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
9893
9894 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9895
9896         PR rtl-optimization/32664
9897         * mode-switching.c (create_pre_exit): Skip barrier insns.
9898
9899 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9900
9901         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
9902         force_gimple_operand_bsi.
9903         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
9904         rewrite_use_compare): Ditto.
9905         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
9906         Ditto.
9907         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
9908         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
9909         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
9910         * tree-profile.c (prepare_instrumented_value,
9911         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9912         tree_gen_one_value_profiler, tree_gen_ic_profiler,
9913         tree_gen_ic_func_profiler, tree_gen_average_profiler,
9914         tree_gen_ior_profiler): Ditto.
9915         * tree-ssa-reassoc.c (negate_value): Ditto.
9916         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
9917         Use force_gimple_operand_bsi.
9918         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9919         * tree-if-conv.c (add_to_dst_predicate_list,
9920         find_phi_replacement_condition): Ditto.
9921         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
9922         Call mark_symbols_for_renaming for new statements.
9923         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
9924
9925 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9926
9927         * cfghooks.c (remove_edge): New function.
9928         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
9929         loop exit rescans.
9930         * cfghooks.h (remove_edge): Declare.
9931         * cfg.c (remove_edge): Renamed to remove_edge_raw.
9932         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
9933
9934 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
9935
9936         * optabs.h: Added declaration for signbit_optab.  
9937         * optabs.c: (init_optabs): Added initialization for signbit_optab.
9938         * genoptinit.c (optabs): Added entry for signbit insns.  
9939         * builtins.c (expand_builtin_signbit): Added code to use a signbit
9940         insn, if available.  
9941         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.  
9942         * config/s390/s390.md (signbit<mode>2): New expander.  
9943
9944 2007-07-09  Richard Guenther  <rguenther@suse.de>
9945
9946         PR middle-end/32698
9947         * fold-const.c (fold_plusminus_mult_expr): Move constant
9948         arguments second to allow decomposing.
9949
9950 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
9951
9952         Revert:
9953         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
9954         PR debug/23551
9955         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9956         Disregard DECL_FROM_INLINE.
9957
9958 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9959
9960         PR target/27855
9961         * doc/invoke.texi: Add ftree-reassoc flag.
9962         * common.opt (ftree-reassoc): New flag.
9963         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
9964         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
9965
9966 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9967
9968         PR tree-optimization/32681
9969         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
9970         saved in second_edge->aux when first_bb is a loop header.
9971
9972 2007-07-09  Jan HUbicka  <jh@suse.cz>
9973
9974         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
9975
9976 2007-07-09  Richard Guenther  <rguenther@suse.de>
9977
9978         * c-decl.c (start_function): Do not promote return type.
9979
9980 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
9981
9982         * function.c (do_warn_unused_parameter): Do not warn if
9983         TREE_NO_WARNING is set.
9984
9985 2007-07-08  Andreas Schwab  <schwab@suse.de>
9986
9987         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
9988
9989 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
9990
9991         Revert this patch:
9992         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
9993
9994         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
9995         apply to assembly language, too.
9996         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
9997
9998 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
9999
10000         Revert (note the sccvn portions are *not* reverted)
10001         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10002
10003         Fix PR tree-optimization/23488
10004
10005         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10006         handles.
10007         * tree-flow-inline.h (get_value_handle): Ditto.
10008         * tree-ssa-pre.c (decl_vh_map): New.
10009         (decl_node_pool): New.
10010         (can_value_number_operation): Support DECL_P.
10011         (can_PRE_operation): Ditto.
10012         (create_expression_by_pieces): Ditto.
10013         (find_existing_value_expr): Modify to differnetiate between
10014         addressing and top level.
10015         (create_value_handle_for_expr): Handle DECL's.
10016         (poolify_tree): Ditto.
10017         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10018         (make_values_for_stmt): Handle DECL's properly.
10019         (init_pre): Reorg to not init useless things during FRE.
10020         (fini_pre): Ditto.
10021         * tree-flow.h: Include pointer-set.h.
10022         (decl_vh_map): Declare.
10023         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10024
10025 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10026
10027         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10028         the constraint description.
10029         * doc/md.texi: Update documentation of AVR constraints.
10030
10031 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10032
10033         * auto-inc-dec.c, config/arm/arm.c,
10034         config/m32r/constraints.md, config/mips/mips.md,
10035         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10036         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10037         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10038         typos.  Follow spelling conventions.
10039         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10040
10041         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10042         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10043
10044         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10045         realloc_vuse): Remove.
10046         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10047         and realloc_vuse.
10048
10049 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10050
10051         Fix PR tree-optimization/23488
10052
10053         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10054         (try_to_simplify): Ditto.
10055         (visit_use): Ditto.
10056         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10057         handles.
10058         * tree-flow-inline.h (get_value_handle): Ditto.
10059         * tree-ssa-pre.c (decl_vh_map): New.
10060         (decl_node_pool): New.
10061         (can_value_number_operation): Support DECL_P.
10062         (can_PRE_operation): Ditto.
10063         (create_expression_by_pieces): Ditto.
10064         (find_existing_value_expr): Modify to differnetiate between
10065         addressing and top level.
10066         (create_value_handle_for_expr): Handle DECL's.
10067         (poolify_tree): Ditto.
10068         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10069         (make_values_for_stmt): Handle DECL's properly.
10070         (init_pre): Reorg to not init useless things during FRE.
10071         (fini_pre): Ditto.
10072         * tree-flow.h: Include pointer-set.h.
10073         (decl_vh_map): Declare.
10074         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10075                 
10076 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10077
10078         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10079         apply to assembly language, too.
10080         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10081
10082 2007-07-06  Ian Lance Taylor  <iant@google.com>
10083             Zack Weinberg  <zackw@panix.com>
10084
10085         PR middle-end/32441
10086         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10087
10088 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10089
10090         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10091         (prefetch): Likewise if "pref" would be used.
10092
10093 2007-07-06  Josh Conner  <jconner@apple.com>
10094
10095         PR middle-end/32602
10096         PR middle-end/32603
10097         * calls.c (store_one_arg): Handle arguments which are partially
10098         on the stack when detecting argument overlap.
10099
10100 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10101
10102         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10103         chosen during find_reloads.
10104
10105 2007-07-06  Richard Guenther  <rguenther@suse.de>
10106
10107         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10108         TYPE_ARG_TYPES for verification of argument types.  Use
10109         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10110         parameters as variable arguments.
10111
10112 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10113
10114         * libgcc2.h (word_type): Type definition removed.
10115         (cmp_return_type, shift_count_type): Type definitions added.
10116         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10117         replaced with shift_count_type.
10118         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10119         cmp_return_type.
10120         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10121         changed from word_type to Wtype.
10122         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10123         replaced with shift_count_type.
10124         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10125         cmp_return_type.
10126         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10127         and libgcc_shift_count attribute added.
10128         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10129         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10130         (TARGET_INITIALIZER): New target hooks added.
10131         * targhooks.c (default_libgcc_cmp_return_mode,
10132         default_libgcc_shift_count_mode): Default implementations for the new
10133         target hooks added.
10134         * targhooks.h (default_libgcc_cmp_return_mode,
10135         default_libgcc_shift_count_mode): Function prototypes added.
10136         * target.h (struct gcc_target): Fields for the new target hooks added.
10137         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10138         as library call.
10139         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10140         library call.
10141
10142         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10143         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10144
10145         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10146         s390_libgcc_shift_count_mode): Functions added.
10147         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10148         Target hooks defined.
10149
10150 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10151
10152         * config/mips/mips.c (compute_frame_size): Restore the original
10153         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10154         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10155         Document why the difference is needed.
10156
10157 2007-07-06  Richard Guenther  <rguenther@suse.de>
10158
10159         * c-common.c (boolean_increment): Use correctly typed
10160         constant.
10161
10162 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10163
10164         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10165         the topmost argument register is not also included in the save mask.
10166         (mips16e_collect_argument_save_p): Take a pointer to the argument
10167         register, rather than a pointer to the number of arguments.
10168         (mips16e_collect_argument_saves): Only include argument saves
10169         that aren't in the register mask.
10170
10171 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10172
10173         PR rtl-optimization/32450
10174         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10175         to ensure that instructions are not moved into the prologue when
10176         profiling is on.  Remove unused prologue_end variable.
10177         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10178         as a scheduling barrier.
10179
10180 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10181
10182         PR debug/23551
10183         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10184         Disregard DECL_FROM_INLINE.
10185
10186 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10187
10188         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10189         IORing with a constant.
10190
10191 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10192
10193         PR rtl-optimization/32475
10194         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10195         for every definition of the stack pointer.
10196
10197 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10198
10199         * arm.c (vfp3_const_double_index): Copy signed results of
10200         REAL_VALUE_TO_INT into unsigned vars.
10201
10202 2007-07-05  Richard Guenther  <rguenther@suse.de>
10203
10204         PR middle-end/32639
10205         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10206         FUNCTION_TYPE.
10207         * tree-ssa.c (useless_type_conversion_p): Check canonical
10208         types early.
10209
10210 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10211
10212         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, 
10213         zero_extendhisi2): Change to define_insn_and_split. 
10214         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10215
10216 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10217
10218         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10219         pass_match_asm_constraints): New.
10220         * passes.c (init_optimization_passes): Add new pass.
10221         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10222         * function.h (struct function): Add has_asm_statement bit.
10223         (current_function_has_asm_statement): New.
10224         * tree-pass.h (pass_match_asm_constraints): New.
10225
10226 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10227
10228         * config/mips/mips.c (mips_file_start): Avoid declaration
10229         after code.
10230
10231 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10232
10233         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10234
10235 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10236
10237         * rtl.def (NOTE): Change print format string to print
10238         operand 5 as a note insn name.
10239
10240 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10241             David Ung  <davidu@mips.com>
10242
10243         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10244         * doc/invoke.texi: (MIPS Options): Document them.
10245
10246 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10247             David Ung  <davidu@mips.com>
10248
10249         Add support for SmartMIPS ASE.
10250
10251         * optabs.c (expand_binop_directly): New, broken out from...
10252         (expand_binop): Here.  Make it try rotating in the other
10253         direction even when the second operand isn't constant.
10254         * config/mips/mips.md (*lwxs): New.
10255         * config/mips/mips.opt (msmartmips): New.
10256         * config/mips/mips.c (mips_lwxs_address_p): New.
10257         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10258         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10259         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10260         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10261         (ISA_HAS_LWXS): New.
10262         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10263         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10264         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10265         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10266         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10267         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10268         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10269
10270 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10271
10272         * tree-vectorizer.c (new_loop_vec_info): Initialize
10273         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10274         * tree-vectorizer.h (_loop_vec_info): Added new filed
10275         min_profitable_iters.
10276         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10277         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10278         * tree-vect-analyze.c (vect_analyze_operations): Set
10279         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10280         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10281         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10282         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10283         and prologue cost to after they are computed.
10284         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10285         TARG_VEC_STMT_COST.
10286         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10287         of creating vectors from scalars according to dt.
10288         (vect_model_store_cost): Likewise.
10289         (vectorizable_call): Use dt array instead of scalar dt. Call
10290         vect_model_simple_cost with additional argument dt.
10291         (vectorizable_assignment): Likewise.
10292         (vectorizable_operation): Likewise.
10293         (vectorizable_type_demotion): Likewise.
10294         (vectorizable_type_promotion): Likewise.
10295         (vectorizable_store): Use dt array instead of scalar dt. Call
10296         vect_model_store_cost with additional argument dt.
10297         (vect_do_peeling_for_loop_bound): Don't call
10298         vect_estimate_min_profitable_iters. Instead, lookup
10299         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10300         "may not be profitable".
10301
10302 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10303
10304         PR testsuite/32014
10305         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10306         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10307         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10308         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns. 
10309
10310 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10311
10312         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10313         addressing modes cheaper.
10314
10315 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10316
10317         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10318         (dw_ranges_struct): Rename block_num to num.  Adjust.
10319         (dw_ranges_by_label_struct): New.
10320         (ranges_by_label, ranges_by_label_allocated,
10321         ranges_by_label_in_use): New variables.
10322         (add_ranges_num): Factored most of the code out of...
10323         (add_ranges): ... this one.  Rewrite in terms of the former.
10324         (add_ranges_by_labels): New.
10325         (output_ranges): Output by-label ranges.
10326         (dwarf2out_finish): Output range for multiple-section
10327         compile_unit.  Output standard DW_AT_low_pc in addition to
10328         unexpected DW_AT_entry_pc.
10329
10330 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10331
10332         PR tree-optimization/32604
10333         PR tree-optimization/32606
10334
10335         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10336         (compute_antic_safe): Removed.
10337         (ANTIC_SAFE_LOADS): Ditto.
10338         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10339         (execute_pre): Don't call compute_antic_safe.
10340         (vuse_equiv): New function.
10341         (make_values_for_stmt): Use it
10342         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10343         not always true.
10344
10345 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10346
10347         PR target/31331
10348         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10349         rather than a decl. 
10350         (avr_attribute_table): Make "naked" attribute apply to function types
10351         rather than to decls.
10352         (avr_handle_fntype_attribute): New function.
10353
10354 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10355
10356         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10357         after \.
10358
10359 2007-07-04  David Ung  <davidu@mips.com>
10360             Joseph Myers  <joseph@codesourcery.com>
10361
10362         * config/mips/mips.md (type): Add logical, signext and move.
10363         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10364         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10365         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10366         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10367         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10368         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10369         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10370         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10371         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10372         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10373         movv2sf_hardfloat_64bit): Use the new types.
10374         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10375         *movdf_softfloat, *movdf_mips16): Use "multi".
10376         (extendqihi2): Replace with a define_expand.
10377         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10378         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10379         * config/mips/74k.md (r74k_int_logical): New reservation and
10380         bypasses.
10381         (r74k_int_arith): Remove "slt".
10382         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10383         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10384         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10385         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10386         reservations for "arith".
10387
10388 2007-07-04  Richard Guenther  <rguenther@suse.de>
10389
10390         * tree-ssa.c (useless_type_conversion_p): Add handling for
10391         scalar float and vector types.  Only call the types_compatible_p
10392         langhook for aggregate types as last resort.  Follow the
10393         rules.
10394
10395 2007-07-04  Richard Guenther  <rguenther@suse.de>
10396
10397         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10398         the same as NOP_EXPR.
10399
10400 2007-07-04  Nick Clifton  <nickc@redhat.com>
10401
10402         * target.h (struct gcc_target): Add target_help field.
10403         * target-def.h (TARGET_HELP): New.
10404         (TARGET_INITIALIZER): Use TARGET_HELP.
10405         * opts.c (command_handle_option): Invoke target_help function, if
10406         defined, when the user has specified --target-help on the command
10407         line.
10408         * doc/invoke.texi: Mention that --target-help might print
10409         additional information.
10410         * doc/tm.texi: Document TARGET_HELP hook.
10411
10412         * arm.c (TARGET_HELP): Override default definition.
10413         (arm_target_help): New - display a wrapped list of cores and
10414         architectures supported.
10415
10416 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10417
10418         * config/v850/v850.c (expand_prologue): Make sure
10419         GEN_INT() argument is sign extended rather than zero extended.
10420         (expand_epilogue): Likewise.
10421         (output_move_double): Delete.
10422         * config/v850/v850-protos.h (output_move_double): Delete.
10423         * config/v850/v850.md (movdi): Delete.
10424         (*movdi_internal): Delete.
10425         (movdf): Delete.
10426         (*movdf_internal): Delete.
10427
10428 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10429
10430         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10431         unless compiling RTP PIC.
10432
10433 2007-07-04  Richard Guenther  <rguenther@suse.de>
10434
10435         PR tree-optimization/32482
10436         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10437         original ssa name if we didn't find a shift expression.
10438         Fix shift constant for bit zero test.
10439
10440 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10441
10442         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10443
10444 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10445
10446         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10447         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10448         * config/arm/vxworks.h (ASM_SPEC): Delete.
10449         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10450
10451 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10452
10453         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10454         (DDR_REVERSED_P): New.
10455         * tree-data-ref.c (initialize_data_dependence_relation,
10456         build_classic_dist_vector): Set DDR_REVERSED_P.
10457
10458 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10459
10460         PR middle-end/32457
10461         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10462         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10463         init_omega_for_ddr_1): Use non conservative number of iterations
10464         estimations.
10465         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10466         (analyze_siv_subscript): Remove FIXME and reinitialization of 
10467         last_conflicts to chrec_dont_know.
10468         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10469
10470 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10471
10472         * tree.c (maybe_canonicalize_argtypes): Improve description.
10473
10474 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10475
10476         * tree.c (maybe_canonicalize_argtypes): New.
10477         (build_function_type): Set canonical type.
10478         (build_method_type_directly): Ditto.
10479         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10480         properly.
10481
10482 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10483
10484         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10485         like PLUS_EXPR.
10486         (rewrite_use_nonlinear_expr): Likewise.
10487
10488 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10489
10490         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10491
10492 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10493
10494         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10495         of this file.
10496
10497         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10498
10499         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10500         (Exception Handling): Likewise.
10501
10502 2007-07-03  Jan Hubicka  <jh@suse.cz>
10503
10504         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10505
10506 2007-07-03  Eric Christopher  <echristo@apple.com>
10507
10508         * doc/cppopts.texi: Add conflicting option note to -dM.
10509         * doc/invoke.texi: Add note about possible conflicts with
10510         -E for -dCHARS and note that -dM will not produce
10511         any results if there is no machine dependent reorg.
10512         
10513 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10514
10515         * tree.h (DECL_ALIGN): Back out previous change.
10516
10517 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10518
10519         * configure.ac: Test for .dtprelword support on MIPS.
10520         * configure, config.in: Regenerate.
10521         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10522         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10523
10524 2007-07-03  Julian Brown  <julian@codesourcery.com>
10525
10526         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10527         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10528         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10529         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10530         capability.
10531         (all_fpus): Add FPUTYPE_VFP3.
10532         (fp_model_for_fpu): Add VFPv3 field.
10533         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10534         (vfp3_const_double_index): New function. Return integer index of
10535         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10536         isn't suitable.
10537         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10538         and argument represents a valid RTX for a VFPv3 constant.
10539         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10540         two instructions.
10541         (vfp_emit_fstmd): Similar, for fstmd.
10542         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10543         constants, represented as integer indices.
10544         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10545         VFP_REGNO_OK_FOR_DOUBLE macros.
10546         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10547         (arm_file_start): Set float-abi attribute for VFPv3, and output
10548         correct ".fpu" assembler directive.
10549         (arm_dbx_register_numbering): Add FIXME.
10550         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10551         (fputype): Add FPUTYPE_VFP3.
10552         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10553         (CALL_USED_REGISTERS): Likewise.
10554         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10555         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10556         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10557         (D7_VFP_REGNUM): New.
10558         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10559         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10560         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10561         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10562         (REG_ALLOC_ORDER): Adjust for VFPv3.
10563         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10564         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10565         VFP_LO_REGS, VFP_HI_REGS.
10566         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10567         (IS_VFP_CLASS): Define macro.
10568         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10569         IS_VFP_CLASS.
10570         (REGISTER_MOVE_COST): Likewise.
10571         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10572         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10573         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10574         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10575         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10576         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10577         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10578         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10579         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10580         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10581         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10582         where appropriate for single-word registers.
10583         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10584         As above. Fix type attributes.
10585         * config/arm/constraints.md (register_contraint "t"): Define.
10586         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10587         VFPv3/NEON.
10588         (register_constraint "x"): Define.
10589         (constraint "Dv"): Define.
10590
10591 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10592
10593         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10594
10595 2007-07-03  Tom Tromey  <tromey@redhat.com>
10596
10597         * c-parser.c (objc_pq_context): Removed.
10598         (objc_need_raw_identifier): Likewise.
10599         (c_parser) <objc_pq_context>: New field.
10600         <objc_need_raw_identifier>: Likewise.
10601         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10602         (c_lex_one_token): Update.
10603         (c_parser_objc_protocol_definition): Update.
10604         (c_parser_objc_method_definition): Update.
10605         (c_parser_objc_methodproto): Update.
10606         (c_parser_declspecs): Update.
10607
10608 2007-07-03  David Ung  <davidu@mips.com>
10609
10610         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10611
10612 2007-07-03  David Ung  <davidu@mips.com>
10613             Richard Sandiford  <richard@codesourcery.com>
10614
10615         * doc/invoke.texi: Document -march=74kf3_2.
10616         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10617         (TUNE_74K): Check for it.
10618         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10619         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10620         * config/mips/mips.md (cpu): Add 74kf3_2.
10621         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10622         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10623         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10624         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10625         74kf3_2 to the CPU list.
10626         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10627         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10628         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10629         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10630         (r74kf3_2_fxfer_from_c1): New insn reservations.
10631
10632 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10633             David Ung  <davidu@mips.com>
10634
10635         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10636         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10637         and 74k[fx].  Document aliases for the new options.
10638         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10639         (PROCESSOR_24KF2_1): ...this.
10640         (PROCESSOR_24KX): Rename to...
10641         (PROCESSOR_24KF1_1): ...this.
10642         (PROCESSOR_74KF): Rename to...
10643         (PROCESSOR_74KF2_1): ...this.
10644         (PROCESSOR_74KX): Rename to...
10645         (PROCESSOR_74KF1_1): ...this.
10646         (TUNE_74K): Update PROCESSOR_* names.
10647         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10648         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10649         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10650         (mips_rtx_cost_data): Update processor names in comments.
10651         (mips_issue_rate): Update PROCESSOR_* names.
10652         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10653         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10654         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10655         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10656         Update cpu attribute names.
10657         (r24k_fpu_iss): Rename this reservation to...
10658         (r24kf2_1_fpu_iss): ...this and update all uses.
10659         (r24kx_fpu_iss): Rename this reservation to...
10660         (r24kf1_1_fpu_iss): ...this and update all uses.
10661         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10662         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10663         Update cpu attribute names.
10664
10665 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10666
10667         * config/m32r/constraints.md: New file.
10668         * config/m32r/m32r.c: Include tm-constrs.h.
10669         (small_data_operand): Use satisfies_constraint_* instead of macro.
10670         (addr24_operand, gen_compare): Likewise.
10671         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10672         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10673         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10674         EXTRA_CONSTRAINT): Likewise.
10675         * config/m32r/m32r.md: Include constraints.md.
10676         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10677         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10678         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10679         (two_insn_const_operand, int8_operand, uint16_operand,
10680         reg_or_int16_operand, reg_or_uint16_operand,
10681         reg_or_cmp_int16_operand, cmp_int16_operand,
10682         seth_add3_operand): Likewise.
10683
10684 2007-07-03  Eric Christopher  <echristo@gmail.com>
10685
10686         * libgcc2.h: Conditionally declare __bswapsi2 and
10687         __bswapdi2.
10688         
10689 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10690
10691         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10692         defined.
10693
10694 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10695
10696         PR target/28307
10697         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
10698         (__gthrw_pragma): Provide default definition.
10699         (__gthrw2): Use it.
10700         * gthr-posix.c (__gthrw_pragma): Define.
10701
10702 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
10703
10704         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
10705         before declaring inequality.
10706
10707 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10708
10709         * combine.c (recog_for_combine): Log the success or failure of
10710           matching new insn patterns against the machine description in
10711           detailed dumps.
10712
10713 2007-07-03  Revital Eres  <eres@il.ibm.com>
10714
10715         * ddg.c (print_sccs): New function.
10716         (check_sccs): New function.
10717         (create_ddg_all_sccs): Use it.
10718         * ddg.h (print_sccs): Declare.
10719         * modulo-sched.c (sms_order_nodes): Call print_sccs.
10720
10721 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
10722
10723         * targhooks.h (default_mode_for_suffix): New function declaration.
10724         * targhooks.c (default_mode_for_suffix): New default target hook.
10725         * target.h (struct c): New structure in the targetm struct.
10726         (mode_for_suffix): New target hook as part of struct c.
10727         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
10728         default_mode_for_suffix.
10729         (TARGET_C): New define.
10730         * c-lex.c: Include "target.h".
10731         (interpret_float): Use targetm.c.mode_for_suffix to determine
10732         the mode for a given non-standard suffix.
10733         Makefile.in (c-lex.o): Depend on $(TARGET_H).
10734
10735         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
10736         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
10737
10738         * doc/extend.texi (Floating Types): New node.  Document __float80 and
10739         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
10740
10741 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10742
10743         PR target/32506
10744         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
10745         predicate instead of target_operand.
10746         (divsi3_i1_media, divsi3_media_2): Likewise.
10747
10748 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
10749
10750         * tree.h (alias_sets_might_conflict_p): Rename into
10751         alias_sets_must_conflict_p.
10752         * alias.c (alias_sets_might_conflict_p): Likewise.
10753         (alias_sets_conflict_p): Use it.
10754         (objects_must_conflict_p): Likewise.
10755         * c-common.c (strict_aliasing_warning): Adjust.
10756
10757 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10758
10759         * rtlhooks.c (gen_lowpart_if_possible): Check for
10760         invalid subreg before calling gen_lowpart_SUBREG.
10761
10762 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
10763
10764         * config/darwin9.h: Add copyright notice.
10765         (LINK_COMMAND_SPEC): Add comment.
10766         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
10767         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
10768         DARWIN_LIBSYSTEM_HAS_UNWIND.
10769
10770 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10771
10772         PR libgomp/32468
10773         * omp-low.c (check_combined_parallel): New function.
10774         (lower_omp_parallel): Call it via walk_stmts, set
10775         OMP_PARALLEL_COMBINED if appropriate.
10776         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
10777         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
10778         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
10779         don't consider it as combined parallel.
10780
10781 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10782
10783         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
10784         (gcc_tooldir): Likewise.
10785         * configure: Regenerate.
10786         * Makefile.in (libsubdir_to_prefix): New variable, based on the
10787         old configure.ac gcc_tooldir setting.
10788         (prefix_to_exec_prefix): New variable.
10789         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10790         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
10791
10792 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
10793
10794         Fix PR tree-optimization/32583
10795         Fix PR tree-optimization/32584
10796         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
10797         (phi_translate_set): Use phi_translate directly now.
10798         (make_values_for_stmt): Don't value number RHS if we already know
10799         it is constant.
10800
10801 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
10802             Jim Wilson <wilson@specifix.com>
10803
10804         PR target/31684
10805         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
10806         copy_insn.
10807
10808 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
10809             Richard Sandiford  <richard@codesourcery.com>
10810             Nigel Stephens  <nigel@mips.com>
10811
10812         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
10813         (mips16e_output_save_restore): Declare.
10814         (mips16e_save_restore_pattern_p): Likewise.
10815         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
10816         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
10817         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
10818         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
10819         (BITSET_P): New global macro, extracted from...
10820         (mips_for_each_saved_reg): ...here.
10821         (mips16e_save_restore_info): New struct.
10822         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
10823         (mips16e_save_restore_regs): New variable.
10824         (mips_split_plus, mips16e_find_first_register): New functions.
10825         (mips16e_mask_registers): New function.
10826         (compute_frame_size): Expand the commentary before the function.
10827         Enforce the MIPS16e save and restore register range restrictions.
10828         Pad the general register save area at the low end.
10829         (mips16e_save_restore_reg, mips16e_build_save_restore)
10830         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
10831         (mips16e_output_save_restore, mips16e_collect_propagate_value)
10832         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
10833         New functions.
10834         (mips_expand_prologue, mips_expand_epilogue): Handle
10835         GENERATE_MIPS16E_SAVE_RESTORE.
10836         * config/mips/mips.md (*mips16e_save_restore): New pattern.
10837
10838 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
10839
10840         PR tree-optimization/31966
10841         PR tree-optimization/32533
10842         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
10843         "basic_block" description as its third argument.  Update function
10844         calls to get destination bb from "edge" argument.  Save "cond" into
10845         aux field of the edge.  Update prototype for changed arguments.
10846         (if_convertible_loop_p): Clear aux field of incoming edges if bb
10847         contains phi node.
10848         (find_phi_replacement_condition): Operate on incoming edges, not
10849         on predecessor blocks.  If there is a condition saved in the
10850         incoming edge aux field, AND it with incoming bb predicate.
10851         Return source bb of the first edge.
10852         (clean_predicate_lists): Clean aux field of outgoing node edges.
10853         (tree_if_conversion): Do not initialize cond variable. Move
10854         variable declaration into the loop.
10855         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
10856         initializations of new_stmt, arg0 and arg1 variables.
10857
10858 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10859
10860         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
10861         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
10862
10863 2007-07-02  Richard Guenther  <rguenther@suse.de>
10864
10865         * tree-ssa.c (useless_type_conversion_p): Document
10866         future intent as defining the middle-end type system.
10867         Re-structure to call langhook last, group by type class,
10868         mark questionable parts.
10869
10870 2007-07-02  Richard Guenther  <rguenther@suse.de>
10871
10872         * tree-flow.h (types_compatible_p): Declare.
10873         * tree-ssa.c (types_compatible_p): New function.
10874         * ipa-type-escape.c (discover_unique_type): Use
10875         types_compatible_p instead of lang_hooks.types_compatible_p.
10876         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
10877         * tree-vn.c (expressions_equal_p): Likewise.
10878         * tree.c (fields_compatible_p): Likewise.
10879         * tree-ssa-dom.c (avail_expr_eq): Likewise.
10880         (cprop_operand): Use useless_type_conversion_p instead of
10881         lang_hooks.types_compatible_p.
10882         * tree-inline.c (setup_one_parameter): Likewise.
10883         (declare_return_variable): Likewise.
10884         * tree-nrv.c (tree_nrv): Likewise.
10885         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
10886         (maybe_fold_offset_to_component_ref): Likewise.
10887         (maybe_fold_offset_to_reference): Likewise.
10888         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10889         (merge_alias_info): Likewise.
10890         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10891         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
10892         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
10893         * tree-tailcall.c (find_tail_calls): Likewise.
10894         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
10895         * gimplify.c (canonicalize_addr_expr): Likewise.
10896         (fold_indirect_ref_rhs): Likewise.
10897         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
10898         (cpt_same_type): Likewise.
10899         (check_pointer_types_r): Swap parameters to cpt_same_type
10900         where appropriate.
10901         * fold-const.c (fold_convert): Revert fix for PR15988.
10902         * tree-inline.c (setup_one_parameter): Instead fix it here by
10903         using fold_build1 instead of fold_convert and checking for
10904         error_mark_node.  Convert only if the conversion is necessary.
10905
10906 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
10907
10908         * configure.ac: Check for .gnu_attribute on Power.
10909         * configure: Regenerate.
10910         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
10911         attribute for floating-point ABI.
10912
10913 2007-07-02  Ira Rosen  <irar@il.ibm.com>
10914
10915         PR tree-optimization/32230
10916         PR tree-optimization/32477
10917         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base 
10918         address is a constant.
10919
10920 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10921
10922         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
10923         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
10924         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
10925         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
10926         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
10927         64-bit targets.  Add support for *-elfoabi*.
10928         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
10929         different settings if $(tm_defines) does not select the EABI.
10930         (MULTILIB_EXCLUSIONS): Define in those circumstances.
10931         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
10932         (MIPS_ARCH_OPTION_SPEC): Likewise.
10933         (MIPS_ISA_LEVEL_SPEC): Likewise.
10934         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
10935         * config/mips/elfoabi.h: New file.
10936
10937 2007-07-02  Richard Guenther  <rguenther@suse.de>
10938
10939         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
10940         (useless_type_conversion_p): ... this.
10941         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
10942         (useless_type_conversion_p): ... this.
10943         * builtins.c (fold_builtin_memory_op): Rename
10944         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
10945         * tree-cfg.c (verify_expr): Likewise.
10946         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
10947         * tree-ssa-ccp.c (ccp_fold): Likewise.
10948         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10949         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
10950         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10951         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
10952         * tree-ssa-pre.c (eliminate): Likewise.
10953         * tree-ssa.c (delete_tree_ssa): Likewise.
10954         (tree_ssa_useless_type_conversion): Likewise.
10955         * tree.c (build2_stat): Likewise.
10956
10957 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10958
10959         Fix PR tree-optimization/32571
10960         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
10961         simplifying them.
10962
10963 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10964
10965         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
10966         and other expected operations explicitly, change default to
10967         gcc_unreachable. 
10968
10969 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
10970
10971         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
10972         PARALLEL.
10973         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
10974         (tls_load_dot_plus_eight): Move the label number into the unspec.
10975         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
10976
10977 2007-07-01  Andreas Schwab  <schwab@suse.de>
10978
10979         * dwarf2out.c (initial_return_save): Define only if used.
10980
10981 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
10982
10983         Unreverting Richard's Revert of:
10984
10985         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
10986
10987         * dce.c (deletable_insn_p_1): New function, split out from...
10988         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
10989         specially, not those inside PARALLELs.  Remove BODY argument
10990         and adjust recursive call accordingly.
10991         (prescan_insns_for_dce): Update call to delete_insn_p.
10992
10993 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
10994             Revital Eres  <eres@il.ibm.com>
10995
10996         * ddg.c (create_ddg_all_sccs): Fix missed
10997         initialization of scc_nodes.
10998
10999 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
11000
11001         PR middle-end/32559
11002         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
11003         X + ~X to 1 only for INTEGRAL_TYPE_P type.
11004
11005 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
11006
11007         * configure.ac: Check for .gnu_attribute on MIPS.
11008         * configure, config.in: Regenerate.
11009         * config/mips/mips.c (mips_file_start): If supported, output
11010         attribute for floating-point ABI.
11011
11012 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
11013
11014         PR target/32433
11015         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11016         (ffs_cmove): New expander to expand using ctz pattern.
11017         (*ffs_cmove): Remove pattern.
11018         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11019         (ffsdi2): Expand using ctz pattern.
11020         (*ffs_rex64): Remove pattern.
11021
11022 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11023
11024         PR rtl-optimization/32296
11025         * pa.md (return): Delete pattern.
11026         (return_internal): Remove "(const_int 1)" from pattern.
11027         (epilogue): Use return_internal pattern for trivial returns.
11028         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11029         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11030
11031 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11032
11033         * tree-ssa-pre.c (is_exception_related): New function
11034         (can_value_number_operation): Use it.
11035
11036 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11037         
11038         Fix PR tree-optimization/32540
11039         Fix PR tree-optimization/31651
11040
11041         * tree-ssa-sccvn.c: New file.
11042
11043         * tree-ssa-sccvn.h: Ditto.
11044         
11045         * tree-vn.c: Include tree-ssa-sccvn.h
11046         (val_expr_paid_d): Removed.
11047         (value_table): Ditto.
11048         (vn_compute): Ditto.
11049         (val_expr_pair_hash): Ditto.
11050         (val_expr_pair_expr_eq): Ditto.
11051         (copy_vuses_from_stmt): Ditto.
11052         (vn_delete): Ditto.
11053         (vn_init): Ditto.
11054         (shared_vuses_from_stmt): Ditto.
11055         (print_creation_to_file): Moved up.
11056         (sort_vuses): Ditto.
11057         (sort_vuses_heap): Ditto.
11058         (set_value_handle): Make non-static.
11059         (make_value_handle): Ditto.
11060         (vn_add): Rewritten to use sccvn lookups.
11061         (vn_add_with_vuses): Ditto.
11062         (vn_lookup): Ditto (and second argument removed).
11063         (vn_lookup_with_vuses): Ditto.
11064         (vn_lookup_or_add): Ditto (and second argument removed);
11065         (vn_lookup_or_add_with_vuses): Ditto.
11066         (vn_lookup_with_stmt): New.
11067         (vn_lookup_or_add_with_stmt): Ditto.
11068         (create_value_handle_for_expr): Ditto.
11069
11070         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11071         (seen_during_translate): New function.
11072         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11073         (phi_trans_add): Ditto.
11074         (constant_expr_p): FIELD_DECL is always constant.
11075         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11076         Use constant_expr_p.
11077         Avoid infinite recursion on mutually valued expressions.
11078         Change callers of vn_lookup_or_add.
11079         (phi_translate): New function.
11080         (compute_antic_safe): Allow phi nodes.
11081         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11082         (find_or_generate_expression): Rewrite slightly.
11083         (create_expression_by_pieces): Updated for vn_lookup_or_add
11084         change.
11085         Update VN_INFO for new names.
11086         (insert_into_preds_of_block): Update for new names.
11087         (add_to_exp_gen): New function.
11088         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11089         (find_existing_value_expr): Rewrite to changed vn_lookup.
11090         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11091         (try_look_through_load): Removed.
11092         (try_combine_conversion): Ditto.
11093         (get_sccvn_value): New function.
11094         (make_values_for_phi): Ditto.
11095         (make_values_for_stmt): Ditto.
11096         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11097         SCCVN.
11098         (init_pre): Update for SCCVN changes.
11099         (fini_pre): Ditto.
11100         (execute_pre): Ditto.
11101
11102         * tree-flow.h (make_value_handle): Declare.
11103         (set_value_handle): Ditto.
11104         (sort_vuses_heap): Ditto.
11105         (vn_lookup_or_add_with_stmt): Ditto.
11106         (vn_lookup_with_stmt): Ditto.
11107         (vn_compute): Remove.
11108         (vn_init): Ditto.
11109         (vn_delete): Ditto.
11110         (vn_lookup): Update arguments.
11111
11112         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11113         (tree-vn.o): Ditto.
11114         (tree-ssa-sccvn.o): New.
11115         (OBJS-common): Add tree-ssa-sccvn.o
11116         
11117 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11118
11119         PR c/4076
11120         * c-typeck.c (build_external_ref): Don't mark as used if called
11121         from itself.
11122         * calls.c (rtx_for_function_call): Likewise.
11123         
11124 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11125
11126         Revert:
11127
11128         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11129
11130         * dce.c (deletable_insn_p_1): New function, split out from...
11131         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11132         specially, not those inside PARALLELs.  Remove BODY argument
11133         and adjust recursive call accordingly.
11134         (prescan_insns_for_dce): Update call to delete_insn_p.
11135
11136 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11137
11138         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11139         (try_combine): Move potential calls to undo_all() so they happen
11140         before we commit to using the combined insns.
11141
11142 2006-06-30  Jan Hubicka  <jh@suse.cz>
11143
11144         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11145         code.
11146
11147 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11148
11149         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11150         (cgraph_remove_unreachable_nodes): Likewise.
11151         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11152         * ipa-inline.c (update_caller_keys): Cast according to the coding
11153         conventions.
11154         (cgraph_decide_recursive_inlining): Likewise.
11155         (cgraph_decide_inlining_of_small_function): Likewise.
11156         (try_inline): Likewise.
11157         (cgraph_decide_inlining_incrementally): Likewise.
11158         * ipa-pure-const.c (get_function_state): Likewise.
11159         (scan_function): Likewise.
11160         (analyze_function): Likewise.
11161         (static_execute): Likewise.
11162         * ipa-reference.c (scan_for_static_refs): Likewise.
11163         (merge_callee_local_info): Likewise.
11164         (analyze_function): Use type safe memory macros.
11165         (static_execute): Likewise. Cast according to the coding conventions.
11166         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11167         conventions.
11168         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11169         names.
11170         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11171         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11172         variable names.
11173
11174 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11175
11176         PR middle-end/30024
11177         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11178         for complex modes (both int and real).
11179
11180 2007-06-29  Jan Hubicka  <jh@suse.cz>
11181
11182         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11183
11184 2007-06-29  Jan Hubicka  <jh@suse.cz>
11185
11186         PR middle-end/32372
11187         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11188         the insn pattern.
11189
11190 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11191
11192         PR target/32335
11193         * config/avr/avr.c: Include dataflow header file.
11194         (expand_prologue): Adjust for prologue insn change.
11195         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11196         inside a insn.
11197
11198 2007-06-29  Richard Guenther  <rguenther@suse.de>
11199
11200         PR middle-end/32493
11201         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11202         during type verification.
11203
11204 2007-06-29  Jan Hubicka  <jh@suse.cz>
11205
11206         * recog.c (validate_change_rtx_1): Unshare TO argument.
11207
11208 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11209
11210         PR tree-optimization/24659
11211         * tree-vect-transform.c (vectorizable_call): Handle
11212         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11213
11214         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11215         * config/i386/i386.c (enum ix86_builtins)
11216         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11217         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11218         description.
11219         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11220         const using def_builtin_const.
11221         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11222         input operands in the same modes as the result.
11223         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11224
11225 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11226
11227         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11228         (df_set_dead_notes_for_mw): Likewise.
11229
11230 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11231
11232         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11233
11234 2007-06-28  DJ Delorie  <dj@redhat.com>
11235
11236         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11237
11238 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11239
11240         * doc/invoke.texi (C++ Dialect Options): Document
11241         fvisibility-ms-compat.
11242         * c.opt (fvisibility-ms-compat): New.
11243
11244 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11245
11246         PR tree-opt/32417
11247         * tree-affine.c (aff_combination_add_elt): Handle
11248         pointer addition specially.
11249
11250 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11251
11252         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11253         decl is non-external for AIX ABI.
11254
11255 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11256
11257         * config/rs6000/predicates.md (current_file_function_operand):
11258         Ensure the symbol is non-external for AIX ABI.
11259
11260 2007-06-28  Nick Clifton  <nickc@redhat.com>
11261
11262         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11263         (fdce, fdse, fpredictive-commoning): Likewise.
11264
11265 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11266
11267         PR other/31400
11268         * gcc.c (process_command): Recognize the new -static-libgfortran
11269         option.
11270
11271 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11272
11273         PR target/32418
11274         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11275         Use a call clobbered hard reg instead of a pseudo reg.
11276
11277 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11278
11279         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11280
11281 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11282
11283         PR target/32479
11284         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11285         REG_LIBCALL and REG_RETVAL notes.
11286         (divsi3, mulsi3): Likewise.
11287         (mulhisi3): Likewise.  Use emit_libcall_block.
11288         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11289
11290 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11291
11292         PR rtl-optimization/32481
11293         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11294
11295 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11296
11297         * dce.c (deletable_insn_p_1): New function, split out from...
11298         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11299         specially, not those inside PARALLELs.  Remove BODY argument
11300         and adjust recursive call accordingly.
11301         (prescan_insns_for_dce): Update call to delete_insn_p.
11302
11303 2007-06-27  Richard Guenther  <rguenther@suse.de>
11304
11305         PR middle-end/32492
11306         * tree.h (fold_convertible_p): Declare.
11307         * fold-const.c (fold_convertible_p): New function.
11308         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11309         instead of lang_hooks.types_compatible_p.
11310
11311 2007-06-26  Jan Hubicka  <jh@suse.cz>
11312
11313         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11314         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11315         early use validate_unshare_change.
11316         (reload_combine): Likewise.
11317         * recog.c (change_t): New field unshare.
11318         (validate_change_1): Rename from validate_change; add argument unshare.
11319         (validate_change): Turn into wrapper of validate_change_1; update
11320         prototype for bools.
11321         (validate_unshare_change): New.
11322         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11323         calls of df_insn_rescan.
11324         * recog.h (validate_change): Replace ints by bools.
11325         (validate_unshare_change): Declare.
11326
11327 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11328
11329         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11330         
11331 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11332
11333         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11334
11335 2007-06-25  Jan Hubicka  <jh@suse.cz>
11336
11337         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11338         uninlinable call.
11339         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11340         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11341         places other call site specific checks are performed.
11342
11343 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11344
11345         PR tree-opt/32421
11346         * tree-vect-transform.c (vectorizable_operation): Convert
11347         POINTER_PLUS_EXPR over to PLUS_EXPR.
11348
11349 2007-06-25  Chao-ying Fu  <fu@mips.com>
11350
11351         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11352         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11353         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11354         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11355
11356         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11357         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11358         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11359         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11360         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11361         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11362         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11363         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11364         ALL_FIXED_POINT_MODE_P): New define.
11365         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11366         MODE_UACCUM.
11367         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11368
11369         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11370         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11371         MODE_VECTOR_UACCUM): New mode classes.
11372
11373         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11374         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11375         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11376         USA, UDA, and UTA.
11377
11378         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11379         (blank_mode): Initialize ibit and fbit.
11380         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11381         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11382         MODE_UACCUM.
11383         (new_adjust): Change required_class to required_class_from and
11384         required_class_to for testing within a range.
11385         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11386         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11387         MODE_VECTOR_UACCUM.
11388         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11389         (make_fixed_point_mode): New.
11390         (_ADD_ADJUST): Change C to C1 and C2.
11391         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11392         use a range for machine classes.
11393         (ADJUST_IBIT, ADJUST_FBIT): New.
11394         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11395         CONST_MODE_FBIT.
11396         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11397         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11398         Emit adjustment for ibit and fbit.
11399         (emit_mode_ibit, emit_mode_fbit): New.
11400         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11401
11402 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11403
11404         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11405         as the source of the set.
11406
11407 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11408
11409         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11410         FP_REGNO_P): Use IN_RANGE.
11411         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11412         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11413         (DATA_REG_P): Use DATA_REGNO_P.
11414         (FP_REG_P): Use FP_REGNO_P.
11415         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11416         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11417         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11418
11419 2007-06-24  Jan Hubicka  <jh@suse.cz>
11420
11421         PR middle-end/30563
11422         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11423
11424 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11425
11426         PR middle-end/32461
11427         * fold-const.c (fold_binary): Strip nops of operand 0
11428         of BIT_NOT_EXPR before calling operand_equal_p.
11429         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11430         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11431
11432 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11433
11434         * doc/extend.texi: Document that dllimport and dllexport imply
11435         default visibility.
11436         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11437         imported or exported declaration, including type declarations.
11438         * c-common.c (handle_visibility_attribute): Check for conflicts
11439         with dllimport/dllexport.
11440         (c_determine_visibility): Handle dllimport/dllexport as an
11441         explicit visibility atttribute.
11442
11443 2007-06-23  Richard Guenther  <rguenther@suse.de>
11444
11445         PR tree-optimization/16876
11446         PR middle-end/29478
11447         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11448         for CALL_EXPRs.
11449         * tree-inline.c (initialize_inlined_parameters): Do not call
11450         lang_hooks.tree_inlining.convert_parm_for_inlining.
11451         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11452         reason for mismatched types.
11453         * gimplify.c (gimplify_call_expr): Verify the call expression
11454         arguments match the called function type signature.  Otherwise
11455         mark the call expression to be not considered for inlining
11456         using CALL_CANNOT_INLINE_P flag.
11457         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11458         edges call expression.
11459         (cgraph_decide_inlining_of_small_function): Likewise.
11460         (cgraph_decide_inlining): Likewise.
11461         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11462         Remove define.
11463         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11464         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11465         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11466         Remove declaration.
11467         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11468         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11469         Remove.
11470         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11471         convert_parm_for_inlining member.
11472
11473 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11474
11475         PR target/31152
11476         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11477         Remove optimization for GT.
11478
11479 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11480
11481         PR middle-end/32437
11482         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11483         is a PARALLEL.
11484         (prescan_insns_for_dce): Add extra parameter.
11485         
11486 2007-06-23  Jan Hubicka  <jh@suse.cz>
11487
11488         PR middle-end/31541
11489         * gimplify.c (mark_addressable): New function.
11490         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11491
11492 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11493
11494         PR middle-end/32374
11495         * expr.c (store_constructor): Do not clobber non-zeroed memory. 
11496
11497 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11498
11499         PR target/32413
11500         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11501         moves between MMX/SSE registers to at least 8 units to prevent
11502         ICE caused by non-tieable SI/HI/QImodes in SSE registers. 
11503
11504 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11505
11506         * config/i386/i386.c (override_options): Correct x86_sahf
11507         setting condition.
11508
11509 2007-06-21  David Daney  <ddaney@avtrex.com>
11510
11511         PR target/32406
11512         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11513         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11514         (exception_receiver): Renamed to ...
11515         (nonlocal_goto_receiver): ... this.
11516
11517 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11518
11519         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11520         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11521         partial register accesses.
11522
11523 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11524
11525         * fold-const.c (debug_fold_checksum): Move it under
11526         ENABLE_FOLD_CHECKING.
11527
11528 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11529
11530         PR middle-end/20623
11531         * tree.h (debug_fold_checksum): Declared.
11532         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11533         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use 
11534         build_fold_addr_expr_with_type_1.
11535         (fold_addr_expr, debug_fold_checksum): New.
11536         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11537         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11538         Use fold_addr_expr.
11539         
11540 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11541
11542         PR tree-optimization/19590
11543         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11544         of scev is a constant.
11545
11546 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11547
11548         * df-problems.c (df_note_bb_compute): Made computation of live
11549         info consistent with df_lr.
11550
11551 2007-06-21  Richard Guenther  <rguenther@suse.de>
11552
11553         PR tree-optimization/32453
11554         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11555         for pointer anti-range.
11556
11557 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11558
11559         * config/i386/i386.c (processor_target_table): Increase maximum
11560         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11561         default 64bit.
11562
11563         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11564         byte alignment if > 8 byte alignment is preferred.
11565         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11566
11567 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11568
11569         PR tree-optimization/31866
11570         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11571         if ASM_EXPR's input is not a SSA_NAME.
11572
11573         PR middle-end/32362
11574         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11575         but decl is a global var, instead return decl.
11576         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11577         even for is_global_var decls, if they are private in some outer
11578         context.
11579
11580 2007-06-21  Richard Guenther  <rguenther@suse.de>
11581
11582         PR tree-optimization/32451
11583         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11584
11585 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11586
11587         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11588         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11589         (push_regs): Changed saving order or banked registers.
11590         (sh_expand_epilogue): Likewise.
11591         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11592         (FIRST_BANKED_REG): Likewise.
11593         (LAST_BANKED_REG): Likewise.
11594         * config/sh/sh.md (banked) New attribute.
11595         (in_delay_slot): Check banked attribute.
11596         
11597 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11598
11599         PR tree-optimization/32075
11600         * tree-data-ref.c (subscript_dependence_tester_1, 
11601         analyze_miv_subscript, analyze_overlapping_iterations,
11602         add_distance_for_zero_overlaps, build_classic_dist_vector,
11603         subscript_dependence_tester_1, analyze_overlapping_iterations,
11604         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11605         compute_affine_dependence, compute_all_dependences): Pass loop_nest 
11606         to evolution_function_is_affine_multivariate_p.
11607
11608 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11609
11610         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11611
11612 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11613
11614         PR target/32335
11615         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11616         for TARGET_A16.
11617         * config/m32c/prologue.md (epilogue_exitd_16): New.
11618         (epilogue_reit_16): New.
11619         (epilogue_exitd): Rename to epilogue_exitd_24.
11620         (epilogue_reit): Rename to epilogue_reit_24.
11621
11622 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11623             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11624
11625         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11626         New counters.
11627         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11628         if dbg_cnt (sched_insn) reaches the limit.
11629         (choose_ready): New parameter INSN_PTR and new return value.
11630         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11631         the new return value from choose_ready.
11632         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11633         (rest_of_handle_global_alloc): New global_alloc_at_func.
11634
11635 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11636
11637         PR tree-optimization/25737
11638         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11639         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11640         * tree-flow.h (struct fieldoff): Add new field alias_set.
11641         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11642         argument addressable_type.  Set alias_set of fieldoff.
11643         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11644         (create_overlap_variables_for): Pass alias_set from fieldoff to
11645         create_sft.
11646         * alias.c (get_alias_set): Use alias_set from SFT if set.
11647
11648 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11649
11650         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11651         of a variable as an unsigned HOST_WIDE_INT integer.
11652
11653 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11654
11655         PR rtl-optimization/32405
11656         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11657
11658 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11659
11660         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11661
11662         PR middle-end/31959
11663         * builtins.c: Include diagnostic.h.
11664         (expand_builtin_expect): Make gcc_assert more permissive.
11665         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11666
11667         PR inline-asm/32109
11668         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11669         and !allows_mem.
11670
11671         PR middle-end/32285
11672         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11673         if ACCUMULATE_OUTGOING_ARGS.
11674
11675 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11676
11677         * config/m68hc11/m68hc11.c: Include dataflow header file.
11678         (m68hc11_reorg): Port to dataflow.
11679
11680 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11681
11682         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11683         (struct df_problem.free_blocks_on_set_blocks): New field.
11684         (struct dataflow.optional_p): New field.
11685         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11686         (df_live_set_all_dirty): New function.
11687         * df-scan.c (df_scan_alloc): Initialize optional_p.
11688         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11689         * df-core.c (df_set_blocks): Removed use of
11690         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11691         df_problem.free_blocks_on_set_blocks to determine which blocks are
11692         recycled.
11693         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11694         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11695         uses dataflow.optional_p to determine if problem should be
11696         deleted.
11697         (rest_of_handle_df_initialize): Only start live problem if 
11698         -02 or above.
11699         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11700         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
11701         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
11702         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
11703         problem_NOTE): Initialize free_blocks_on_set_blocks.
11704         (df_lr_bb_local_compute): Recompute luids if df_live problem is
11705         not active.
11706         (df_live_set_all_dirty, df_note_alloc): New function.
11707         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
11708         df_get_live_*.
11709         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
11710         * postreload.c (reload_combine): Ditto.
11711         * cse.c (cse_extended_basic_block): Ditto.
11712         * regmove.c (mark_flags_life_zones): Ditto.
11713         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
11714         erase_matching_seqs): Ditto.
11715         * bt-load.c (compute_defs_uses_and_gen): Ditto.
11716         * integrate (allocate_initial_values): Ditto.
11717         * combine.c (reg_dead_at_p): Ditto.
11718         * resource.c (mark_target_live_regs): Ditto.
11719         * sched-rgn.c (check_live_1, update_live_1): Ditto.
11720         * config/sh/sh.c (find_r0_life_regions): Ditto.
11721         * global.c (rest_of_handle_global_alloc): Only add back df_live
11722         for -O > 1.
11723         * local-alloc.c (rest_of_handle_local_alloc): Only remove
11724         df_live for -O > 1.
11725         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
11726         df_get_live_*.
11727         (if_convert): Make sure df_live is there at -O == 1.
11728         (pass_if_after_combine): Cleanup flags.
11729         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
11730         is there at -O == 1.
11731         
11732 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
11733
11734         * config/arm/arm.c (arm_get_frame_offsets): Set
11735         offsets->locals_base to avoid negative stack size.
11736         (thumb1_expand_prologue): Assert on negative stack size.
11737
11738 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
11739
11740         PR tree-optimization/32367
11741         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side 
11742         of the chrec has no evolution in that loop.
11743         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
11744
11745 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
11746
11747         * config/xtensa/xtensa.c: Include "df.h".
11748         (xtensa_builtin_saveregs): Use adjust_address instead of
11749         change_address.
11750         (xtensa_va_start): Invoke make_tree with sizetype for
11751         expand_builtin_saveregs and then convert the result to a pointer.
11752         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
11753         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
11754         Subtract argument size from index value as integers and then use
11755         POINTER_PLUS_EXPR to add the result to the array address.
11756         
11757 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11758
11759         PR target/32335
11760         * config/m32c/m32c.c: Include dataflow header file.
11761         (m32c_emit_prologue): Adjust for prologue insn change.
11762         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
11763         once inside a PARALLEL. Assume frame size passed in operand 0
11764         includes space to save the fb register.
11765         (prologue_enter_24): Likewise.
11766         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
11767
11768 2007-06-19  David Daney  <ddaney@avtrex.com
11769
11770         PR target/32313
11771         * config/mips/mips.md (cprestore): Mark $gp as used.
11772
11773 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11774
11775         PR target/32369
11776         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
11777         (frv_ifcvt_modify_insn): Likewise.
11778
11779 2007-06-19  Richard Guenther  <rguenther@suse.de>
11780
11781         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
11782         only handle positive offsets that fit in a HOST_WIDE_INT.
11783
11784 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
11785
11786         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
11787         result of rsqrt insn for zero input argument to avoid NaN.
11788
11789 2007-06-19  Richard Guenther  <rguenther@suse.de>
11790
11791         PR middle-end/31950
11792         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
11793
11794 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
11795
11796         PR tree-optimization/32353
11797         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
11798
11799 2007-06-19  Nick Clifton  <nickc@redhat.com>
11800
11801         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
11802
11803 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11804
11805         PR target/32389
11806         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
11807         * config/i386/i386.c (assign_386_stack_local): Assert that
11808         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
11809         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
11810         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
11811         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
11812
11813 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
11814
11815         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
11816
11817 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
11818
11819         PR rtl-optimization/32321
11820         * gcse.c (replace_store_insn): Update the note before
11821         calling emit_insn_after.
11822
11823 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
11824
11825         PR middle-end/32355
11826         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
11827         cse_main.
11828         * df-problems.c (df_note_bb_compute): Fix dumping info.
11829         
11830 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
11831
11832         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
11833         insn with emit_jump_insn.
11834
11835 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11836
11837         PR tree-optimization/32383
11838         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
11839         * targhooks.h (default_builtin_reciprocal): Update prototype.
11840         * target.h (struct gcc_target): Update builtin_reciprocal.
11841         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
11842         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
11843         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
11844         when fndecl is in BUILT_IN_MD class.
11845         (execute_convert_to_rsqrt): Ditto.
11846
11847         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
11848         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
11849         Convert BUILT_IN_SQRTF code only  when md_fn is false.
11850
11851 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11852
11853         * bt-load.c (move_btr_def): Fix the order of arguments
11854         to validate_replace_rtx.
11855
11856 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
11857
11858         * config/m68k/m68k-devices.def: Add 54450..54455.
11859
11860 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
11861
11862         PR rtl-optimization/32366
11863         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
11864         FLOAT_EXTEND]: Prevent non-scalar modes from entering
11865         significand_size.
11866
11867 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11868
11869         PR middle-end/32349
11870         * modulo-sched (generate_reg_moves): Added rescan parameter and if
11871         this is true, rescan insn being modified.
11872         (sms_schedule): Added rescan parameter.
11873         (rest_of_handle_sms): Moved freeing of dominance info to before
11874         getting out of cfg_layout.
11875         
11876 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
11877
11878         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
11879         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
11880         appropriate.
11881
11882         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
11883         FL_CF_EMAC from the entry for isac.
11884
11885         * config/m68k/predicates.md (const_call_operand): Adjust comment.
11886         (const_sibcall_operand): New.
11887         (sibcall_operand): Use it.
11888         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
11889         (m68k_isas): ISAC does not imply FPU or EMAC.
11890         (override_options): Add ISA_C logic for symbolic jump & call.
11891
11892 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11893
11894         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
11895         return mode from the builtin itself.
11896         (sparc_fold_builtin): Fix cast of zero constant.
11897
11898 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11899
11900         * targhooks.c (default_builtin_reciprocal): New default target hook.
11901         * targhooks.h (default_builtin_reciprocal): Add prototype.
11902         * hooks.c (hook_tree_tree_bool_null): Remove hook.
11903         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
11904         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
11905         default_builtin_reciprocal.
11906
11907 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11908
11909         PR middle-end/31723
11910         * hooks.c (hook_tree_tree_bool_null): New hook.
11911         * hooks.h (hook_tree_tree_bool_null): Add prototype.
11912         * tree-pass.h (pass_convert_to_rsqrt): Declare.
11913         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
11914         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
11915         and convert it to reciprocal a*rfunc(b).
11916         (execute_convert_to_rsqrt): New function.
11917         (gate_convert_to_rsqrt): New function.
11918         (pass_convert_to_rsqrt): New pass definition.
11919         * target.h (struct gcc_target): Add builtin_reciprocal.
11920         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
11921         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
11922         TARGET_BUILTIN_RECIPROCAL.
11923         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
11924
11925         * config/i386/i386.h (TARGET_RECIP): New define.
11926         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
11927         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11928         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11929         and not optimizing for size.
11930         (*rcpsf2_sse): New insn pattern.
11931         (*rsqrtsf2_sse): Ditto.
11932         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11933         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11934         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11935         and not optimizing for size.
11936         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
11937         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11938         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11939         and not optimizing for size.
11940         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
11941         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11942         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11943         and not optimizing for size.
11944         (*sse_rsqrtv4sf2): Do not export.
11945         (sqrtv4sf2): Ditto.
11946         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11947         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11948         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11949         and not optimizing for size.
11950         (sqrtv4sf2): Ditto.
11951         * config/i386/i386.opt (mrecip): New option.
11952         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
11953         (ix86_emit_swsqrtsf): Ditto.
11954         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
11955         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
11956         builtin definition.
11957         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
11958         ix86_expand_unop1_builtin.
11959         (ix86_emit_swdivsf): New function.
11960         (ix86_emit_swsqrtsf): Ditto.
11961         (ix86_builtin_reciprocal): New function.
11962         (TARGET_BUILTIN_RECIPROCAL): Use it.
11963         (ix86_vectorize_builtin_conversion): Rename from
11964         ix86_builtin_conversion.
11965         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
11966         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
11967         "i386 and x86_64 Options" section.
11968         (Intel 386 and AMD x86_64 Options): Document -mrecip.
11969
11970 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
11971             Zdenek Dvorak <dvorakz@suse.cz>
11972             Richard Guenther  <rguenther@suse.de>
11973             Kaz Kojima  <kkojima@gcc.gnu.org>
11974
11975         * tree-vrp.c (compare_values_warnv): Convert val2 to
11976         the type of val1.
11977         (extract_range_from_assert): Create
11978         POINTER_PLUS_EXPR for pointer types.
11979         (extract_range_from_binary_expr): Handle
11980         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
11981         for pointer types.
11982         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
11983         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
11984         POINTER_PLUS_EXPR as PLUS_EXPR.
11985         (number_of_iterations_lt_to_ne):
11986         For pointer types, use sizetype when
11987         creating MINUS_EXPR/PLUS_EXPRs.
11988         (assert_loop_rolls_lt): For pointer types, use sizetype when
11989         creating MINUS_EXPR/PLUS_EXPRs.
11990         (number_of_iterations_le): Likewise.
11991         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
11992         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
11993         like PLUS_EXPR and MINUS_EXPR.
11994         * tree-pretty-print.c (dump_generic_node): Handle
11995         POINTER_PLUS_EXPR.
11996         (op_prio): Likewise.
11997         (op_symbol_1): Likewise.
11998         * optabs.c (optab_for_tree_code): Likewise.
11999         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
12000         specially.
12001         * tree-tailcall.c (process_assignment): Mention
12002         POINTER_PLUS_EXPR in a TODO comment.
12003         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or 
12004         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
12005         not used with a pointer and an integer type.
12006         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
12007         increment using chrec_convert_rhs instead of chrec_convert.
12008         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
12009         PLUS_EXPR except for the right hand side's type will be
12010         sizetype.
12011         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
12012         (fold_used_pointer_cast): Kill.
12013         (pointer_offset_p): Kill.
12014         (fold_used_pointer): Kill.
12015         (pointer_used_p): Kill.
12016         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12017         call fold_used_pointer.
12018         (instantiate_parameters_1): Convert the increment
12019         using chrec_convert_rhs instead of chrec_convert.
12020         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12021         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12022         instead of PLUS_EXPR.
12023         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12024         PLUS_EXPR for pointers.
12025         (std_gimplify_va_arg_expr): Likewise.
12026         (fold_builtin_memory_op): Likewise.
12027         (fold_builtin_strstr): Likewise.
12028         (fold_builtin_strchr): Likewise.
12029         (fold_builtin_strrchr): Likewise.
12030         (fold_builtin_strpbrk): Likewise.
12031         (expand_builtin_memory_chk): Likewise.
12032         (fold_builtin_memory_chk): Likewise.
12033         (std_expand_builtin_va_start): Use
12034         sizetype for the call to make_tree and then convert
12035         to the pointer type.
12036         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12037         instead of PLUS_EXPR for adding to a pointer.
12038         (std_gimplify_va_arg_expr): Use fold_build2 for
12039         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12040         the operands to sizetype first and then cast the BIT_AND_EXPR
12041         back to the pointer type.
12042         * fold-const.c (build_range_check): Handle pointer types
12043         specially.
12044         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12045         of PLUS_EXPR's. Make sure the offset is converted to
12046         sizetype.
12047         (try_move_mult_to_index): Strip the NOPs from the offset.
12048         Remove code argument and replace all uses with PLUS_EXPR.
12049         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12050         specially. Don't use a pointer type for MINUS_EXPR.
12051         (fold_unary): Handle for (T1)(X op Y),
12052         only p+ as that is the only as that can be handled for
12053         binary operators now.
12054         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12055         POINTER_PLUS_EXPR.
12056         <case PLUS_EXPR>: Add folding of PTR+INT into
12057         PTR p+ INT.
12058         Don't call try_move_mult_to_index.
12059         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12060         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12061         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12062         Don't call try_move_mult_to_index.
12063         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12064         (tree_expr_nonzero_p): Likewise.
12065         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12066         of PLUS_EXPR for the complex expression folding.
12067         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12068         first chrec is a pointer type, then the second should
12069         be sizetype and not the first's type.
12070         For POINTER_PLUS_EXPR, use a different right hand side type.
12071         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12072         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12073         different right hand side type.
12074         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12075         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12076         instead of PLUS_EXPR.
12077         When either operand is zero, convert the other operand.
12078         (chrec_apply): Use chrec_convert_rhs
12079         on the argument x instead of chrec_convert.
12080         (reset_evolution_in_loop): For pointer types, the new_evol
12081         should be sizetype.
12082         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12083         different right hand side type.
12084         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12085         (chrec_convert_rhs): New function.
12086         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12087         different right hand side type.
12088         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12089         * tree-chrec.h (chrec_convert_rhs): New prototype.
12090         (build_polynomial_chrec): For pointer types, the right hand
12091         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12092         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12093         Remove subtraction case as it is always addition now.
12094         Make sure the offset is converted to sizetype.
12095         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12096         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12097         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for 
12098         PLUS_EXPR in pointer type.
12099         Handle POINTER_PLUS_EXPR.
12100         (tree_to_aff_combination): Likewise.
12101         (force_expr_to_var_cost): Likewise.
12102         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12103         instead of PLUS_EXPR for pointers.
12104         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12105         instead of PLUS_EXPR of pointer types.
12106         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12107         as PLUS_EXPR.
12108         (check_va_list_escapes): Likewise.
12109         (check_all_va_list_escapes): Likewise.
12110         * dwarf2out.c (loc_descriptor_from_tree_1):
12111         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12112         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12113         (string_constant): Likewise.
12114         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12115         the offset to the base, use POINTER_PLUS_EXPR.
12116         (add_to_parts): Convert the index to sizetype.
12117         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12118         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12119         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12120         Offset only holds something for PLUS_EXPR.
12121         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12122         a PLUS_EXPR.
12123         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12124         and not PLUS_EXPR.
12125         (analyze_accesses_for_modify_stmt): Likewise.
12126         Remove comment about the type being integral type as it is
12127         wrong now.
12128         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12129         PLUS_EXPR.
12130         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12131         and not PLUS_EXPR.
12132         Correct the type which the artimentic is done in (is now
12133         sizetype).
12134         Reindent one loop.
12135         * tree-data-ref.c (split_constant_offset): Handle
12136         POINTER_PLUS_EXPR
12137         * tree-affine.c (tree_to_aff_combination): Likewise.
12138         * c-typeck.c (build_unary_op): For pointers create the increment
12139         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12140         for pointers.
12141         * gimplify.c (gimplify_self_mod_expr): Create a
12142         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12143         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12144         * tree.def (POINTER_PLUS_EXPR): New tree code.
12145         * tree-predcom.c (ref_at_iteration): If we have a pointer
12146         type do the multiplication in sizetype.
12147         * tree-mudflap.c (mf_xform_derefs_1): Create a
12148         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12149         * tree-ssa-forwprop.c 
12150         (forward_propagate_addr_into_variable_array_index):
12151         Don't expect there to be a cast for the index as that
12152         does not exist anymore.
12153         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12154         instead of PLUS_EXPR.
12155         Don't check for the first operand of the POINTER_PLUS_EXPR
12156         was the index as it cannot be.
12157         Call forward_propagate_addr_into_variable_array_index with
12158         the SSA_NAME instead of the statement.
12159         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12160         (compare_constant): Likewise.
12161         (copy_constant): Likewise.
12162         (compute_reloc_for_constant): Likewise.
12163         (output_addressed_constants): Likewise.
12164         (initializer_constant_valid_p): Likewise.
12165         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12166         Convert the MIN/MAX of the inner type to the outer
12167         type before comparing them.
12168         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12169         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12170         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12171         of PLUS_EXPR for pointers.
12172         * tree-inline.c (estimate_num_insns_1): Handle
12173         POINTER_PLUS_EXPR.
12174         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): 
12175         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12176         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12177         instead of PLUS_EXPR for the pointer increment statement.
12178         (vect_update_ivs_after_vectorizer): For pointer types, create
12179         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12180         MULT_EXPR in sizetype.
12181         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12182         byte_misalign.
12183         * tree-object-size.c (plus_expr_object_size): Handle
12184         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12185         code which is trying to figure out which side is a pointer and 
12186         is the index.
12187         (check_for_plus_in_loops_1): Likewise.
12188         (check_for_plus_in_loops): Likewise.
12189         * c-common.c (pointer_int_sum): Create a
12190         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12191         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12192         only POINTER_PLUS_EXPR.  Removing all the extra
12193         code which is trying to figure out which side is a pointer and 
12194         is the index.
12195         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12196         PLUS_EXPR and MINUS_EXPR.
12197         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12198         are correct.
12199         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12200         with make_tree, instead of a pointer type.
12201         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12202         for pointers instead of PLUS_EXPR.
12203         (s390_gimplify_va_arg): Likewise.
12204         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12205         instead of PLUS_EXPR when doing addition on pointer
12206         types.  Use sizetype for the second operand.
12207         (spu_gimplify_va_arg_expr): Likewise.
12208         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use 
12209         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12210         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12211         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12212         for the pointer addition and also use size_int/sizetype
12213         for the offset.
12214         (ix86_gimplify_va_arg): Likewise.
12215         Perform BIT_AND_EXPR on sizetype arguments.
12216         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12217         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12218         for the pointer additions and also use size_int for the offsets.
12219         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12220         additions and also use size_int for the offsets.  Perform
12221         BIT_AND_EXPR on sizetype arguments.
12222         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12223         POINTER_PLUS_EXPR for pointers and create the
12224         BIT_AND_EXPR in sizetype.
12225         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12226         instead of PLUS_EXPR for pointer addition.
12227         (rs6000_va_start): Likewise.
12228         Also use sizetype for the offset.
12229         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12230         as PLUS_EXPR/MINUS_EXPR.
12231         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12232         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12233         Don't use BIT_AND_EXPR on a pointer type, convert the
12234         expression to sizetype first.
12235         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12236         for pointers.
12237         (mips_gimplify_va_arg_expr): Likewise.
12238         Don't create BIT_AND_EXPR in a pointer type.
12239
12240 2007-06-15  Eric Christopher  <echristo@apple.com>
12241
12242         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12243         (x86_64-*-darwin*): Ditto.
12244         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12245         for above.
12246
12247 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12248
12249         * doc/extend.texi: Document behavior of __attribute__((aligned))
12250         on typedefs.
12251
12252 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12253
12254         * rtlanal.c (note_stores): Improve documentation.
12255
12256 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12257
12258         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12259         LOCAL_LABEL_PREFIX): Delete.
12260         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12261         (bfin_internal_label): Delete.
12262
12263 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12264
12265         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12266         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12267         otherwise define to LIBGCC2_TF_CEXT.
12268         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12269         (LIBGCC_TF_CEXT): Ditto.
12270         (TF_SIZE): Ditto.
12271
12272 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12273
12274         PR rtl-optimization/32339
12275         * df-scan.c (df_uses_record): Don't modify flags but just add to
12276         it for df_ref_record.
12277
12278 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12279
12280         * tree-mudflap.c: Fix whitespace issues.
12281
12282 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12283
12284         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12285
12286 2007-06-14  Eric Christopher  <echristo@apple.com>
12287
12288         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12289         (movv4sf): Use gcc_unreachable instead of abort.
12290
12291 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12292
12293         PR target/32268
12294         * config/i386/sfp-machine.h (CMPtype): New define.
12295         (mach stubs): Use CMPtype instead of int as a return type.
12296
12297 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12298
12299         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12300         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12301         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12302         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12303         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12304         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12305         config/soft-fp/soft-fp.h: Update from glibc CVS.
12306
12307 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12308
12309         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12310
12311 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12312
12313         PR target/32341
12314         * config/v850/v850.c: Include dataflow header file.
12315         (substitute_ep_register): Fix typo.
12316
12317 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12318
12319         * configure.ac: Fix earlier checkin.
12320         * configure: Regenerated.
12321
12322 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12323
12324         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12325         * aclocal.m4: Regenerate.
12326         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12327         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12328         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12329         * configure: Regenerate.
12330         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12331
12332         * Makefile.in (quickstrap): Build libgcc too.
12333
12334 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12335
12336         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12337         the variables are initialized as for "release".
12338         * df-core.c: Use it.
12339         * configure: Regenerate.
12340         * config.in: Regenerate.
12341
12342 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12343
12344         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12345         validate_replace_rtx instead of replace_rtx.
12346         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12347
12348 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12349
12350         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12351         (DWARF2_UNWIND_INFO): Override default if configured with
12352         SJLJ EH disabled.
12353         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12354         (ENDFILE_SPEC): Add crtend.o.
12355         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12356         (ENDFILE_SPEC): Add crtend.o.
12357         (TARGET_USE_JCR_SECTION): Define.
12358         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12359
12360         * config/i386/cygming-crtbegin.c: New file.
12361         * config/i386/cygming-crtend.c: New file.
12362
12363 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12364
12365         * config/i386/w32-unwind.h: New file.
12366
12367 2007-06-13  Eric Christopher  <echristo@apple.com>
12368
12369         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12370         the user set a value below STACK_BOUNDARY.
12371
12372 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12373
12374         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12375         imply -lpthread for -pthread.
12376
12377 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12378
12379         * basic-block.h: Remove the prototype for
12380         free_basic_block_vars.
12381         * cfglayout.h: Remove the prototype for
12382         insn_locators_initialize.
12383         * tree.h: Remove the prototype for emit_line_note.
12384
12385         * tree-ssa-pre.c (mergephitemp): Remove.
12386         (init_pre): Don't use mergephitemp.
12387
12388 2007-06-13  Eric Christopher  <echristo@apple.com>
12389
12390         * config/i386/i386.c (override_options): If we've specified
12391         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12392
12393 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12394
12395         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12396         is defined.
12397
12398 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12399
12400         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12401         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12402         (eh_store_handler): New pattern.
12403         (eh_return): Emit it instead of a plain move.
12404
12405 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12406
12407         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12408         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12409         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12410         def_builtin_const.
12411
12412 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12413
12414         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12415         (find_next_insn_start, find_load): New functions.
12416         (bfin_reorg): Use them to deal with the fact that parallel insns are
12417         no longer represented as a SEQUENCE.
12418
12419 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12420
12421         * config/sparc/sparc.c (sparc_override_options): Initialize
12422         fpu mask correctly.
12423
12424 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12425
12426         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12427         df_get_live_out.
12428
12429 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12430
12431         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12432         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12433         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12434         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12435         tree-vect-transform.c: Fix comment typos.  Follow spelling
12436         conventions.
12437
12438 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12439
12440        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12441        to the exit block use set.
12442        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring". 
12443        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12444        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12445
12446 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12447
12448         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12449         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12450         to indicate an error.
12451         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12452         New functions.
12453         (dbg_cnt_process_opt): Print an error on a bad argument.
12454         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12455         * common.opt (-fdbg-cnt-list): New.
12456         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12457
12458 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12459
12460         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12461         flag on ref-all pointers.
12462
12463 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12464
12465         PR middle-end/31579
12466         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12467         for the offset with the modifier as EXPAND_INITIALIZER
12468         if the modifier is EXPAND_INITIALIZER.
12469         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12470         a register if we had an overflow.
12471
12472 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12473
12474         * real.c (real_isfinite): New.
12475         (real_sqrt): Use it.
12476         * real.h (real_isfinite): New.
12477         * builtins.c: Use it.
12478
12479 2007-06-12  Ian Lance Taylor  <iant@google.com>
12480             Daniel Berlin  <dberlin@dberlin.org>
12481
12482         PR libstdc++/29286
12483         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12484         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12485         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12486         (DECL_NO_TBAA_P): Define.
12487         (struct tree_decl_common): Add no_tbaa_flag field.
12488         * tree-ssa-structalias.c (struct variable_info): Add
12489         no_tbaa_pruning field.
12490         (new_var_info): Initialize no_tbaa_pruning field.
12491         (unify_nodes): Copy no_tbaa_pruning field.
12492         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12493         (dump_solution_for_var): Print no_tbaa_pruning flag.
12494         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12495         callers.
12496         (compute_tbaa_pruning): New static function.
12497         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12498         Call compute_tbaa_pruning.
12499         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12500         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12501         * gimple-low.c (lower_stmt): Likewise.
12502         * tree-gimple.c (is_gimple_stmt): Likewise.
12503         * tree-ssa-operands.c (get_expr_operands): Likewise.
12504         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12505         * tree-inline.c (estimate_num_insns_1): Likewise.
12506         (copy_result_decl_to_var): Likewise.
12507         * expr.c (expand_expr_real_1): Likewise.
12508         * tree-pretty-print.c (dump_generic_node): Likewise.
12509         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12510         * omp-low.c (omp_copy_decl_2): Likewise.
12511         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12512         * doc/c-tree.texi (Expression trees): Document
12513         CHANGE_DYNAMIC_TYPE_EXPR.
12514
12515 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12516
12517         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12518         with !HONOR_NANS and !HONOR_INFINITIES.
12519         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12520
12521 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12522
12523         * gcov.c: Comments updated.
12524         (source_info): Add file_time field.
12525         (source_index): New variable.
12526         (mutiple_files): New variable.
12527         (generate_results): New function extracted from process_file.
12528         (process_file): Save and restore chain of functions, generate
12529         results and free structures only if not merging results.
12530         (release_structures): File names are now freed in create_file_names
12531         (create_file_names): Free previous file names.
12532         (find_source): File date is now read here and modifications in
12533         source files is checked here.
12534         (read_graph_file): Only reverse order of functions for the current
12535         object file.
12536         (make_gcov_file_name): Do not generate long names if input_name is
12537         NULL.
12538         (output_lines): If merging results do not display graph, data and
12539         runs informations.
12540         Checking source file modification is done in find_source.
12541
12542         * doc/gcov.texi: Append an s to sourcefile.
12543
12544 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12545
12546         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12547         (forced_nop): New pattern.
12548         * config/bfin/bfin.c: Include "df.h".
12549         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12550         (bfin_discover_loop): Use df_get_live_in instead of
12551         global_live_at_start.
12552         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12553         df_analyze when done.
12554         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12555         the insns.  Use QImode for the final insn in a bundle.  Call
12556         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12557         gen_nop.
12558         (reorder_var_tracking_notes): New function.
12559         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12560         update_life_info.  Call df_analyze after scheduling and bundle
12561         generation.  Call reorder_var_tracking_notes if generating these
12562         notes.  Call df_finish_pass at the end.
12563
12564 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12565
12566         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12567         a comparison, not an assignment.
12568
12569 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12570
12571         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12572         Request walking the subtrees only, leaving the current is_lhs/val_only
12573         untouched.
12574         (convert_non_local_reference): Likewise.
12575
12576 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12577
12578         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12579
12580 2007-06-12  Richard Guenther  <rguenther@suse.de>
12581
12582         PR tree-optimization/15353
12583         PR tree-optimization/31657
12584         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12585         * timevar.def: Add TV_TREE_IFCOMBINE.
12586         * tree-pass.h (pass_tree_ifcombine): Declare.
12587         * tree-ssa-ifcombine.c: New file.
12588         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12589         * tree-flow.h (blocks_in_phiopt_order): Declare.
12590         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12591         (tree-ssa-ifcombine.o): New dependencies.
12592
12593 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12594
12595         PR rtl-optimization/32293
12596         * combine.c (simplify_if_then_else): Truncate return from
12597         nonzero_bits() to correct mode.
12598
12599 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12600
12601         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12602         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12603
12604 2007-06-11  Diego Novillo  <dnovillo@google.com>
12605
12606         * Makefile.in (reload1.o-warn): Remove.
12607
12608 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12609
12610         * combine.c (subst): Use reg_overlap_mentioned_p
12611         instead of comparing register numbers directly.
12612
12613 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12614
12615         * reload1.c (mark_home_live_1): Use the mode parameter.
12616
12617 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12618
12619         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12620         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12621         word "deferred".
12622         * df-core.c: Ditto.
12623
12624 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12625
12626         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12627
12628 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12629
12630         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12631         from integer registers.
12632         (FP mode splitters): Handle TFmode.
12633
12634 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12635
12636         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12637         for ref-all pointers that point-to anything.
12638
12639 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12640
12641         * config/arm/arm.c (arm_output_dwarf_dtprel,
12642         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12643
12644 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12645
12646         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12647         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12648         to memory moves.
12649
12650 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12651
12652         * tree.c (signed_or_unsigned_type_for): New.
12653         (unsigned_type_for): Use signed_or_unsigned_type_for.
12654         (signed_type_for): Use signed_or_unsigned_type_for.
12655         * tree.h (signed_or_unsigned_type_for): New.
12656         (get_signed_or_unsigned_type): Remove.
12657         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12658         lang_hooks.types.signed_type
12659         (size_diffop): Likewise.
12660         (all_ones_mask_p): Likewise.
12661         (build_range_check): Likewise.
12662         (fold_cond_expr_with_comparison): Likewise.
12663         (fold_cond_expr_with_comparison): Likewise.
12664         (unextend): Likewise.
12665         (extract_muldiv_1): Likewise.
12666         (fold_single_bit_test_into_sign_test): Likewise.
12667         (fold_binary): Likewise.
12668         (fold_ternary): Likewise.
12669         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12670         instead of get_signed_or_unsigned_type.
12671         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12672         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12673         * expr.c (signed_or_unsigned_type_for): Use
12674         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12675         * langhooks.c (get_signed_or_unsigned_type): Remove.
12676         (lhd_signed_or_unsigned_type): Remove.
12677         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12678         signed_or_unsigned_type.
12679         (lhd_signed_or_unsigned_type): Remove.
12680         * expmed.c (make_tree): Use signed_type_for instead of
12681         lang_hooks.types.signed_type.
12682         * c-common.c (same_scalar_type_ignoring_signedness): Use
12683         c_common_signed_type instead of lang_hooks.types.signed_type.
12684         (c_common_unsigned_type): New.
12685         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12686         (shorten_compare): Use c_common_unsigned_type instead of
12687         c_common_signed_or_unsigned_type.
12688         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12689         unsigned_type_for.
12690         * convert.c (convert_to_integer): Use signed_type_for instead of
12691         lang_hooks.types.signed_type.
12692         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12693         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12694         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12695         * c-format.c (check_format_types): Use c_common_unsigned_type
12696         instead of unsigned_type_for.
12697         * c-decl.c (groakdeclarator): Likewise.
12698         * c-typeck.c (convert_for_assignment): Likewise.
12699         * c-common.h (c_common_unsigned_type): New.
12700
12701 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12702
12703         PR target/32280
12704         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
12705         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
12706
12707 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12708
12709         PR middle-end/32279
12710         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
12711         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
12712
12713 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
12714             Sebastian Pop  <sebpop@gmail.com>
12715
12716         * lambda-code.c (remove_iv): New.
12717         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
12718
12719 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
12720
12721         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
12722         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
12723         * tree-ssa-loop-prefetch.c: Include optabs.h.
12724         (FENCE_FOLLOWING_MOVNT): New macro.
12725         (struct mem_ref): Add independent_p and storent_p fields.
12726         (record_ref): Initalize the new fields.
12727         (gather_memory_references_ref): Return true if the reference
12728         could be analysed.
12729         (gather_memory_references): Check whether all memory accesses
12730         in loop were recorded.
12731         (should_issue_prefetch_p): Return false for nontemporal stores.
12732         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
12733         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
12734         (determine_loop_nest_reuse): Detect independent memory references.
12735         (loop_prefetch_arrays): Call mark_nontemporal_stores.
12736         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
12737         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
12738         * config/i386/i386.h (x86_mfence): Declare.
12739         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
12740         * config/i386/i386.c (x86_mfence): New variable.
12741         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
12742
12743         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
12744         * optabs.c (init_optabs): Initialize storent_optab.
12745         * optabs.h (enum optab_index): Add OTI_storent.
12746         (storent_optab): Declare.
12747         * genopinit.c (optabs): Add initialization for storent_optab.
12748         * tree.h (MOVE_NONTEMPORAL): New macro.
12749         * expr.c (expand_assignment, store_expr, store_constructor_field,
12750         store_constructor, store_field, expand_expr_real_1): Propagate
12751         nontemporality of the expanded store.
12752         (emit_storent_insn): New function.
12753         * expr.h (expand_assignment, store_expr): Declaration changed.
12754         * function.c (assign_parm_setup_reg): Pass false as nontemporality
12755         to expand_assignment.
12756         * stmt.c (expand_asm_expr): Ditto.
12757         * calls.c (initialize_argument_information): Pass false as
12758         nontemporality to store_expr.
12759         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
12760         storentsi): New.
12761
12762 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12763
12764         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
12765         parameter, use it.
12766         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
12767
12768 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12769
12770         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
12771         and allow DECL_P here.
12772
12773 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
12774
12775         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
12776         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
12777         track of the size of the expression.
12778         * cfghooks.c (merge_blocks): Remove block from loops structure only
12779         after call of the merge_blocks hook.
12780
12781 2007-06-09  Tom Tromey  <tromey@redhat.com>
12782
12783         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
12784         (deprecated_state): Removed.
12785         (start_decl): Update.
12786         (enum deprecated_states): Moved earlier.
12787         (groktypename): Update.
12788         (push_parm_decl): Likewise.
12789         (grokfield): Likewise.
12790         (start_function): Likewise.
12791
12792 2007-06-09  Ian Lance Taylor  <iant@google.com>
12793
12794         PR tree-optimization/32169
12795         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
12796         CONVERT_EXPR, check whether min and max both converted to an
12797         overflow infinity representation.
12798
12799 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
12800
12801         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
12802         not inserted on the edge.
12803
12804 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
12805
12806         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
12807         instructions if they are supported.
12808         (__divsi3, __umodsi3, __modsi3): Likewise.
12809         (__ashldi3, __ashrdi3, __lshrdi3): New.
12810         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
12811
12812 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
12813             Tony Linthicum <tony.linthicum@amd.com>
12814
12815         * doc/invoke.texi: Add fvect-cost-model flag.
12816         * common.opt (fvect-cost-model): New flag.
12817         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
12818         cost fields in stmt_vec_info struct for STMT.
12819         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
12820         fields in stmt_vec_info struct and access functions for the same.
12821         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
12822         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
12823         load, store and vector to scalar operation.
12824         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
12825         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
12826         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
12827         (TARG_VEC_STORE_COST): Define cost of vector store.
12828         (vect_estimate_min_profitable_iters): Define new function.
12829         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
12830         check to evaluate if loop iterations are less than minimum profitable
12831         iterations determined by cost model or minimum vect loop bound defined
12832         by user, whichever is more conservative.
12833         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
12834         run-time check to evaluate if loop iterations are less than minimum
12835         profitable iterations determined by cost model or minimum vect loop
12836         bound defined by user, whichever is more conservative.
12837         (vect_estimate_min_profitable_iterations): New function to estimate
12838         mimimimum iterartions required for vector version of loop to be
12839         profitable over scalar version.
12840         (vect_model_reduction_cost): New function.
12841         (vect_model_induction_cost): New function.
12842         (vect_model_simple_cost): New function.
12843         (vect_cost_strided_group_size): New function.
12844         (vect_model_store_cost): New function.
12845         (vect_model_load_cost): New function.
12846         (vectorizable_reduction): Call vect_model_reduction_cost during
12847         analysis phase.
12848         (vectorizable_induction): Call vect_model_induction_cost during
12849         analysis phase.
12850         (vectorizable_load): Call vect_model_load_cost during analysis phase.
12851         (vectorizable_store): Call vect_model_store_cost during analysis phase.
12852         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
12853         vectorizable_promotion, vectorizable_demotion): Call
12854         vect_model_simple_cost during analysis phase.
12855
12856 2007-06-08  Simon Baldwin  <simonb@google.com>
12857
12858         * reg-stack.c (get_true_reg): Readability change.  Moved default case
12859         label into direct switch statement scope.
12860
12861 2007-06-08  Simon Baldwin  <simonb@google.com>
12862
12863         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
12864         in gcc_assert() with '==' comparison.
12865
12866 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12867
12868         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
12869         TARGET_ABM handling of x86_popcnt variable.
12870
12871 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12872
12873         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
12874         __builtin_copysignq and __builtin_infq built-in functions.
12875
12876 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12877
12878         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
12879         SSE4.2 section.  Correct built-in function names in SSE4A section.
12880
12881 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12882
12883         PR tree-optimization/32243
12884         * tree-vect-transform.c (vectorizable_type_promotion): Move check
12885         for ncopies after ratio check between nunits_out and nunits_in.
12886         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
12887
12888 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
12889
12890         PR tree-optimization/32224
12891         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
12892         vectorization upon a non GIMPLE_MODIFY_STMT.
12893
12894 2007-06-08  Christian Bruel  <christian.bruel@st.com>
12895
12896         PR target/29953
12897         * config/sh/sh.md (doloop_end): New pattern and splitter.
12898         * loop-iv.c (simple_rhs_p): Check for hardware registers.
12899
12900 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
12901
12902         PR middle-end/32209
12903         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
12904         functions.
12905         (verify_dominators): Do not change dominance tree.
12906
12907 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12908
12909         * config/sh/constraints.md: New file.
12910         * config/sh/sh.c: Include tm-constrs.h.
12911         (reg_class_from_letter): Remove.
12912         (prepare_cbranch_operands): Use satisfies_constraint_*
12913         function instead of macro.
12914         (andcosts, broken_move, sh_secondary_reload): Likewise.
12915         * config/sh/predicates.md (trapping_target_operand): Likewise.
12916         (and_operand, arith_operand, arith_reg_or_0_operand,
12917         cmp_operand, logical_operand, target_operand,
12918         ua_address_operand, ua_offset, xor_operand): Likewise.
12919         * config/sh/sh.md: Include constraints.md.
12920         (*movsicc_t_false): Use satisfies_constraint_* function
12921         instead of macro.
12922         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
12923         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
12924         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
12925         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
12926         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
12927         (REG_CLASS_FROM_CONSTRAINT): Remove.
12928         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
12929         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
12930         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
12931         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
12932         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
12933         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
12934         function instead of macro.
12935         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
12936         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
12937         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
12938         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
12939         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
12940         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
12941         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
12942         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
12943         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
12944         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
12945         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
12946         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
12947         EXTRA_CONSTRAINT_STR): Likewise.
12948         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
12949
12950 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12951
12952         * config/i386/darwin.h (STACK_BOUNDARY): Define.
12953
12954 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
12955
12956         PR c++/30759
12957         * c-common.h (flag_cpp0x): Replaced by...
12958         (cxx_dialect): ... this new variable specifying the C++ dialect that
12959         is used.
12960         * c-common.c (flag_cpp0x): Removed.
12961         (cxx_dialect): Defined.
12962         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
12963         cxx_dialect.
12964         * c-opts.c (c_common_post_options): Likewise.
12965         (set_std_cxx98): Set cxx_dialect to cxx98.
12966         (set_std_cxx0x): Set cxx_dialect to cxx0x.
12967
12968 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12969             Hui-May Chang <hm.chang@apple.com>
12970
12971         * doc/invoke.texi (Darwin Options): Update documentation for
12972         -mmacosx-version-min.
12973         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
12974         * config/darwin-driver.c: New file.
12975         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
12976         * config/t-darwin (darwin-driver.o): New rule.
12977
12978         * config/darwin-c.c (version_as_macro): Ignore low digit.
12979
12980 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
12981
12982         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
12983         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
12984         (CSGNMODE): New mode macro.
12985         (CSGNVMODE): New mode attribute.
12986         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
12987         expander using CSGNMODE mode macro.  Handle TFmode.
12988         (copysign<mode>3_const): Rename from copysignsf3_const and
12989         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
12990         Handle TFmode.
12991         (copysign<mode>3_var): Rename from copysignsf3_var and
12992         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
12993         Handle TFmode.
12994         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
12995         mode macro.  Handle TFmode.
12996         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
12997         (iortf3, *iortf3): Ditto.
12998         (xortf3, *xortf3): Ditto.
12999         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
13000         TFmode and TImode masks.
13001         (ix86_expand_copysign): Expand TFmode copysign insn.
13002         (IX86_BUILTIN_INFQ): New.
13003         (IX86_BUILTIN_FABSQ): Ditto.
13004         (IX86_BUILTIN_COPYSIGNQ): Ditto.
13005         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
13006         [__builtin_fabsq]: Ditto.
13007         [__builtin_copysignq]: Ditto.
13008         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
13009         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
13010         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
13011         ix86_expand_binop_builtin().
13012
13013 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
13014
13015         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13016
13017 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13018
13019         PR target/31850
13020         * rtl.h (push_to_sequence2): New.
13021         * emit-rtl.c (push_to_sequence2): New.
13022         * function.c (assign_parm_data_all): Add new fields.
13023         (assign_parm_setup_block): Call push_to_sequence2 instead of
13024         push_to_sequence.
13025         (assign_parm_setup_reg): Ditto.
13026         (assign_parm_setup_stack): Ditto.
13027         (assign_parms_unsplit_complex): Ditto.
13028         (assign_parms): Change field name.
13029
13030 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13031
13032         PR tree-optimization/32220
13033         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13034         phi node is reached before defining statement.
13035
13036 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13037
13038         PR tree-opt/32231
13039         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13040         after changing the right hand side of the assignment.
13041
13042 2007-06-06  Eric Christopher  <echristo@apple.com>
13043
13044         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13045         (x86_64-*-darwin*): Ditto.
13046         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13047         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13048
13049 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13050
13051         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13052         coding conventions.
13053         (add_key): Likewise.
13054         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13055         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13056         variable names.
13057         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13058         macros.
13059         (add_cost_one_coalesce): Likewise.
13060         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13061         variable names. Rename orig to orig_name for consistency.
13062         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13063         coding conventions.
13064         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13065         names.
13066         (record_equivalences_from_stmt): Likewise.
13067         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13068         the coding conventions.
13069         (memory_ssa_name_same): Likewise.
13070         (dse_optimize_stmt): Likewise.
13071         (dse_record_phis): Likewise.
13072         (dse_finalize_block): Likewise.
13073         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13074         keywords as variable names.
13075         (may_move_till): Cast according to the coding conventions.
13076         (force_move_till_expr): Avoid using C++ keywords as variable names.
13077         (force_move_till): Cast according to the coding conventions.
13078         (memref_hash): Likewise.
13079         (memref_eq): Likewise.
13080         (gather_mem_refs_stmt): Likewise.
13081         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13082         using C++ keywords as variable names.
13083         (idx_find_step): Cast according to the coding conventions.
13084         (idx_record_use): Likewise.
13085         (find_depends): Likewise.
13086         (prepare_decl_rtl): Likewise.
13087         (mbc_entry_hash): Likewise.
13088         (mbc_entry_eq): Likewise.
13089         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13090         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13091         (idx_infer_loop_bounds): Cast according to the coding conventions.
13092         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13093         * tree-ssa-math-opts.c (occ_new ): Likwise.
13094         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13095         macros.
13096         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13097         variable names.
13098         (add_use_op): Likewise.
13099         (add_vop): Likewise.
13100         (add_vuse_op): Likewise.
13101         (add_vdef_op): Likewise.
13102         (get_expr_operands): Likewise.
13103         (push_stmt_changes): Use type safe memory macros.
13104         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13105         keywords as variable names.
13106         (conditional_replacement): Likewise.
13107         (minmax_replacement): Likewise.
13108         (abs_replacement): Likewise.
13109         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13110         coding conventions.
13111         (insert_fake_stores): Avoid using C++ keywords as variable names.
13112         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13113         conventions.
13114         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13115         (heapvar_insert): Use type safe memory macros.
13116         (new_var_info): Cast according to the coding conventions.
13117         (new_constraint): Likewise.
13118         (remove_preds_and_fake_succs): Use type safe memory macros.
13119         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13120         conventions.
13121         (thread_single_edge): Likewise.
13122         (thread_through_loop_header): Likewise.
13123
13124 2007-06-06  Eric Christopher  <echristo@apple.com>
13125
13126         * config/i386/i386.c (override_options): Move handling
13127         of TARGET_SUBTARGET* earlier.
13128
13129 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13130
13131         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13132         use %n on printf.
13133
13134 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13135
13136         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13137         emited outside of basic block.
13138         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13139         the created blocks.
13140         * rtl.h (delete_insn_chain): Declaration changed.
13141         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13142         non-removed insns.
13143         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13144         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13145         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13146         to delete_insn_chain.
13147         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13148         do not have bb field set.
13149         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13150         have bb field set.
13151         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13152         * cfgcleanup.c (try_optimize_cfg): Ditto.
13153
13154 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13155
13156         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13157         (lambda_body_vector_new): Use type safe memory macros.
13158         (lambda_linear_expression_new): Likewise.
13159         (lambda_loopnest_new): Likewise.
13160         (lambda_lattice_new): Likewise.
13161         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13162         conventions. Use type safe memory macros.
13163         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13164         (lambda_body_vector_s): Likewise.
13165         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13166         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13167
13168 2007-06-06  Richard Guenther  <rguenther@suse.de>
13169
13170         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13171         if we need to schedule cfg_cleanup.
13172         (tree_ssa_forward_propagate_single_use_vars): Do so.
13173
13174 2007-06-06  Ian Lance Taylor  <iant@google.com>
13175
13176         * fold-const.c (merge_ranges): If range_successor or
13177         range_predecessor fail, just return 0.
13178
13179 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13180
13181         PR tree-optimization/32216
13182         * tree-vectorizer.c (supportable_widening_operation): Determine
13183         signedness of FIX_TRUNC_EXPR from output operand.
13184         (supportable_narrowing_operation): Ditto.
13185         * tree-vect-generic.c (expand_vector_operations_1): Determine
13186         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13187         from input operand.
13188
13189 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13190
13191         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13192         (struct pta): ...from here. Change flags to unsigned to avoid
13193         excessive casting (as it is used as a bit mask).
13194         (override_options): Add casts according to the coding convenventions.
13195         (x86_64_elf_unique_section): Likewise.
13196         (examine_argument): Avoid using C++ keywords as variable names.
13197         (construct_container): Likewise.
13198         (legitimize_pic_address): Likewise.
13199         (get_dllimport_decl): Cast according to the coding conventions. Use
13200         type safe memory macros.
13201         (legitimize_address): Cast according to the coding conventions.
13202         (emit_i387_cw_initialization): Corrected the type of slot to enum
13203         ix86_stack_slot.
13204         (ix86_init_machine_status): Use type safe memory macros.
13205         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13206         (bdesc_pcmpistr): Likewise.
13207         (bdesc_crc32): Likewise.
13208         (bdesc_sse_3arg): Likewise.
13209         (bdesc_2arg): Likewise.
13210         (bdesc_1arg): Likewise.
13211         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13212         (ix86_expand_sse_pcmpistr): Likewise.
13213         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13214         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13215         int to match the langhook definition.
13216         (ix86_builtin_conversion): Change the type of code to unsigned init to
13217         match the langhook definition.
13218         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13219         names.
13220         (ix86_preferred_output_reload_class): Likewise.
13221         (ix86_cannot_change_mode_class): Likewise.
13222         (ix86_memory_move_cost): Likewise.
13223         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13224         avoid excessive casting later on.
13225         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13226
13227 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13228
13229         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13230         as flags setting insn.
13231         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13232
13233 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13234
13235         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13236         (UNSPEC_ROUND): New.
13237         ("sse4_1_round<mode>2"): New insn pattern.
13238         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13239         SSE4.1 targets.
13240         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13241         expander using SSEMODEF mode macro.  Expand using
13242         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13243         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13244         expander using SSEMODEF mode macro.  Expand using
13245         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13246         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13247         expander using SSEMODEF mode macro.  Expand using
13248         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13249         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13250         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13251         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13252         UNSPEC_ROUNDS.
13253
13254 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13255             Sebastian Pop  <sebpop@gmail.com>
13256
13257         * lambda.h (build_linear_expr): New.
13258         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13259         Use build_linear_expr, call fold and force_gimple_operand.
13260         (lambda_loopnest_to_gcc_loopnest): Check that there is
13261         something to insert.
13262         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13263
13264 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13265
13266         PR preprocessor/23479
13267         * doc/extend.texi: Document the 0b-prefixed binary integer
13268         constant extension.
13269
13270 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13271
13272         PR tree-optimization/32215
13273         * tree-vectorizer.c (supportable_widening_operation): Return false
13274         for unsupported FIX_TRUNC_EXPR tree code.
13275         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13276
13277 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13278
13279         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13280         register on SPE targets.  Change documentation to reflect
13281         reality.
13282         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13283         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13284         out of the register allocation pool.
13285         (rs6000_reg_live_or_pic_offset_p): New function.
13286         (rs6000_emit_prologue): Move the actual saving of LR up to free
13287         r0 for holding r11.  Split saving of SPE 64-bit registers into
13288         its own case.  Ensure that offsets will always be in-range for
13289         'evstdd' by using r11 as a scratch register to point at the start
13290         of the SPE save area.  Save r11 if necessary, as it is the static
13291         chain register.
13292         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13293         into its own case.  Ensure that offsets will always be in-range
13294         for 'evldd' by using r11 as a scratch register to point at the
13295         start of the SPE save area.  Also adjust r11 when restoring
13296         the stack pointer to compensate for pre-loading r11.
13297
13298 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13299
13300         * cfg.c (init_flow): Use type safe memory macros.
13301         (alloc_block): Likewise.
13302         (unchecked_make_edge): Likewise.
13303         (dump_flow_info): Avoid using C++ keywords as variable names.
13304         (copy_original_table_clear): Cast according to the coding conventions.
13305         (copy_original_table_set): Likewise.
13306         * cfgexpand (label_rtx_for_bb): Likewise.
13307         (expand_gimple_basic_block): Likewise.
13308         * cfghooks.c (dump_bb): Likewise.
13309         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13310         variable names.
13311         (lv_add_condition_to_bb): Likewise.
13312         * cfglayout (relink_block_chain): Cast according to the coding
13313         conventions.
13314         (fixup_reorder_chain): Likewise.
13315         (fixup_fallthru_exit_predecessor): Likewise.
13316         * cfgloop.c (glb_enum_p): Likewise.
13317         (get_exit_description): Likewise.
13318         (dump_recorded_exit): Likewise.
13319         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13320         (struct loop): ... from here.
13321         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13322         conventions.
13323         * cfgrtl.c (rtl_create_basic_block): Likewise.
13324         (rtl_split_block): Likewise.
13325         (rtl_dump_bb): Likewise.
13326         (cfg_layout_split_block): Likewise.
13327         (init_rtl_bb_info): Use typesafe memory macros.
13328
13329         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13330         * graphds.h: Updated all usages of edge to graph_edge.
13331         * graphds.c: Likewise.
13332         * cfgloopanal.c: Likewise.
13333
13334 2007-06-05  Ian Lance Taylor  <iant@google.com>
13335
13336         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13337         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13338         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13339         expression.
13340         (test_for_singularity): Likewise.
13341
13342 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13343
13344         * config/i386/constraints.md ("Y2"): Replaced by ...
13345         ("Yt"): This.
13346         * config/i386/i386.md: Likewise.
13347         * config/i386/mmx.md: Likewise.
13348         * config/i386/sse.md: Likewise.
13349
13350 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13351
13352         * config/i386/constraints.md ("z"): Replaced by ...
13353         ("Y0"): This.
13354         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13355         (sse4_1_blendvps): Likewise.
13356         (sse4_1_pblendvb): Likewise.
13357         (sse4_2_pcmpestr): Likewise.
13358         (sse4_2_pcmpestrm): Likewise.
13359         (sse4_2_pcmpestr_cconly): Likewise.
13360         (sse4_2_pcmpistr): Likewise.
13361         (sse4_2_pcmpistrm): Likewise.
13362         (sse4_2_pcmpistr_cconly): Likewise.
13363
13364 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13365
13366         * matrix-reorg.c (transform_access_sites): Fix computation.
13367         (transform_allocation_sites): Same.
13368
13369 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13370
13371         * config/i386/i386.c (override_options): Use
13372         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13373
13374 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13375
13376         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13377         (nonimm_not_xmm0_operand): Ditto.
13378         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13379         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13380         as operand[2] predicate.  Require "z" class XMM register for
13381         operand[3].  Adjust asm template.
13382         ("sse4_1_blendvpd"): Ditto.
13383         ("sse4_1_pblendvb"): Ditto.
13384         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13385         force op2 into xmm0 register for variable blend instructions.
13386
13387 2007-06-04  Tom Tromey  <tromey@redhat.com>
13388
13389         * c-tree.h (start_enum): Update.
13390         (build_enumerator): Likewise.
13391         * c-decl.c (enum_next_value): Removed.
13392         (enum_overflow): Likewise.
13393         (start_enum): Add c_enum_contents argument.  Don't use globals.
13394         (build_enumerator): Likewise.
13395         * c-tree.h (struct c_enum_contents): New struct.
13396
13397 2007-06-04  Tom Tromey  <tromey@redhat.com>
13398
13399         * c-common.c (c_common_get_alias_set): Fix indentation.
13400
13401 2007-06-04  Ian Lance Taylor  <iant@google.com>
13402
13403         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13404         to overflow, reduce overflow infinity to regular infinity.
13405         (vrp_var_may_overflow): New static function.
13406         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13407
13408 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13409
13410         * stor-layout.c (layout_type): Remove duplicate code.
13411
13412 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13413
13414         PR c/32191
13415         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13416         before build_common_builtin_nodes ().
13417
13418 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13419
13420         PR target/31733
13421         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13422
13423 2007-06-04  Jan Hubicka  <jh@suse.cz>
13424
13425         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13426         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13427         instead of _stat version.
13428
13429 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13430
13431         PR tree-optimization/32194
13432         * tree-predcom.c (determine_offset): Check that both references have
13433         the same type.
13434
13435 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13436
13437         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13438         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13439         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13440         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13441         Add argument to iterate_fix_dominators call.
13442         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13443         * gcse.c (hoist_code): Change domby to vector.
13444         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13445         Add argument to iterate_fix_dominators call.
13446         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13447         recompute_dominator.
13448         * lambda-code.c (perfect_nestify): Ditto.
13449         * cfgloopanal.c: Include graphds.h.
13450         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13451         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13452         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13453         add_edge call.
13454         * graphds.c: New file.
13455         * graphds.h: New file.
13456         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13457         (get_dominated_by, get_dominated_by_region): Change return type to
13458         vector.
13459         (verify_dominators): Recompute all dominators and compare the results.
13460         (recount_dominator): Renamed to ...
13461         (recompute_dominator): ... this.  Do not check that the block is
13462         dominated by entry.
13463         (iterate_fix_dominators): Reimplemented.
13464         (prune_bbs_to_update_dominators, root_of_dom_tree,
13465         determine_dominators_for_sons): New functions.
13466         * et-forest.c (et_root): New function.
13467         * et-forest.h (et_root): Declare.
13468         * Makefile.in (graphds.o): Add.
13469         (cfgloopanal.o): Add graphds.h dependency.
13470         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13471         * basic-block.h (get_dominated_by, get_dominated_by_region,
13472         iterate_fix_dominators): Declaration changed.
13473         (recount_dominator): Renamed to ...
13474         (recompute_dominator): ... this.
13475         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13476         (thread_through_all_blocks): Do not free dominance info.
13477
13478 2007-06-03  Andreas Schwab  <schwab@suse.de>
13479
13480         * config/m68k/m68k.c (override_options): Don't override
13481         REAL_MODE_FORMAT.
13482         * config/m68k/m68k-modes.def (SF, DF): Define to use
13483         motorola_single_format and motorola_double_format, resp.
13484         * real.c (motorola_single_format): Renamed from
13485         coldfire_single_format.
13486         (motorola_double_format): Renamed from coldfire_double_format.
13487         (encode_ieee_extended): Generate a proper canonical NaN image
13488         respecting canonical_nan_lsbs_set.
13489         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13490         true.
13491         * real.h: Adjust declarations.
13492
13493 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13494
13495         PR target/32163
13496         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13497         the symbol is generated with the stack protector.
13498
13499 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13500
13501         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13502         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13503         "interrupt".
13504         * doc/extend.texi (interrupt): Mention m68k.
13505
13506 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13507
13508         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13509         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13510         (ix86_expand_sse_pcmpestr): Do not check operands for
13511         "register_operand", when insn operand predicate is "register_operand".
13512         (ix86_expand_sse_pcmpistr): Ditto.
13513
13514 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13515             Uros Bizjak  <ubizjak@gmail.com>
13516
13517         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13518         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13519         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13520         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13521         * config/i386/constraints.md ("z"): New register constraint
13522         for members of SSE_FIRST_REG class.
13523         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13524         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13525         SSE_FIRST_REG class.
13526         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13527         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13528         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13529         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13530         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13531         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13532         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13533         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13534         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13535         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13536         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13537         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13538         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13539         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13540         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13541         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13542         (struct builtin_description): Change "flag" field to unsigned.
13543         (bdesc_pcmpestr): New builtin description table.
13544         (bdesc_pcmpistr): Likewise.
13545         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13546         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13547         Initialize pcmp[ei]str[im] insns for SSE4.2.
13548         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13549         (ix86_expand_sse_pcmpistr): Likewise.
13550         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13551         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13552         (UNSPEC_PCMPISTR): Likewise.
13553         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13554         (sse4_2_pcmpestri):New isns pattern.
13555         (sse4_2_pcmpestrm): Likewise.
13556         (sse4_2_pcmpestr_cconly): Likewise.
13557         (sse4_2_pcmpistr): New insn patern and splitter.
13558         (sse4_2_pcmpistri):New isns pattern.
13559         (sse4_2_pcmpistrm): Likewise.
13560         (sse4_2_pcmpistr_cconly): Likewise.
13561         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13562         in SSE4.2.
13563
13564 2007-06-01  David Daney  <ddaney@avtrex.com>
13565
13566         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13567         LOADGP_ABSOLUTE and not binds_local_p.
13568
13569 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13570
13571         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13572
13573 2007-06-01  Ian Lance Taylor  <iant@google.com>
13574
13575         * tree-vrp.c (compare_name_with_value): Always set
13576         used_strict_overflow if we get a result from the variable itself.
13577
13578 2007-06-01  Ian Lance Taylor  <iant@google.com>
13579
13580         PR rtl-optimization/31455
13581         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13582         subregs which have a cast between modes which are not tieable.
13583
13584 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13585
13586         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13587         breaks after return statements.
13588
13589 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13590
13591         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13592         only after no_new_pseudos.
13593
13594 2007-05-31  Eric Christopher  <echristo@apple.com>
13595
13596         * expr.c (convert_move): Assert that we don't have a BLKmode
13597         operand.
13598         (store_expr): Handle BLKmode moves by calling emit_block_move.
13599
13600 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13601
13602         * c-typeck.c (build_indirect_ref): Include type in error message.
13603         (build_binary_op): Pass types to binary_op_error.
13604         * c-common.c (binary_op_error): Take two type arguments, print out
13605         types with error.
13606         * c-common.h (binary_op_error): Update prototype.
13607
13608 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13609
13610         * config/i386/i386.c: Correct coments on -mno-sse4.
13611
13612 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13613
13614         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13615         (x86_64-*-*): Likewise.
13616         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13617         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13618         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13619         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13620         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13621         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13622         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13623         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13624         (OPTION_MASK_ISA_SSE4): Likewise.
13625         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13626         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13627         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13628         (override_options): Support SSE4.2.
13629         (ix86_build_const_vector): Support SImode and DImode.
13630         (ix86_build_signbit_mask): Likewise.
13631         (ix86_expand_int_vcond): Support V2DImode.
13632         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13633         (IX86_BUILTIN_CRC32HI): Likewise.
13634         (IX86_BUILTIN_CRC32SI): Likewise.
13635         (IX86_BUILTIN_CRC32DI): Likewise.
13636         (IX86_BUILTIN_PCMPGTQ): Likewise.
13637         (bdesc_crc32): Likewise.
13638         (bdesc_sse_3arg): Likewise.
13639         (ix86_expand_crc32): Likewise.
13640         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13641         (ix86_expand_builtin): Likewise.
13642         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13643         __SSE4_2__ for -msse4.2.
13644         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13645         (CRC32MODE): Likewise.
13646         (crc32modesuffix): Likewise.
13647         (crc32modeconstraint): Likewise.
13648         (sse4_2_crc32<mode>): Likewise.
13649         (sse4_2_crc32di): Likewise.
13650         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13651         (msse4): Likewise.
13652         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13653         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13654         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13655         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13656         (vcondu<mode>): Likewise.
13657         * doc/extend.texi: Document SSE4.2 built-in functions.
13658         * doc/invoke.texi: Document -msse4.2/-msse4.
13659
13660 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13661
13662         PR tree-optimization/32160
13663         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13664         variable as gimple reg.
13665         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13666
13667 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13668
13669         * gcc.c (main): Don't consider linker options when issuing the
13670         warning about a linker input file not being used.
13671
13672 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13673
13674         * tree-vrp.c (compare_names): Initialize sop.
13675
13676 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13677
13678         * cgraphunit.c (cgraph_analyze_function): Remove
13679         computation of inline parameters.
13680
13681 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13682
13683         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13684
13685 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13686
13687         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13688         Add vx-common.h.  Include vxworks.h between vx-common.h and
13689         arm/vxworks.h.
13690         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13691         redefining.
13692         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13693         (TARGET_ASM_DESTRUCTOR): Likewise.
13694         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13695         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13696         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
13697         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
13698         (VXWORKS_ENDIAN_SPEC): Define.
13699         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
13700         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
13701         VXWORKS_* equivalents.
13702         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
13703         (ASM_FILE_START): Delete.
13704         (TARGET_VERSION): Reformat.
13705         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
13706         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
13707         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
13708         (FPBIT, DPBIT): Define.
13709         (fp-bit.c, dp-bit.c): New rules.
13710         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
13711         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
13712         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
13713         * config/arm/arm.h: Include vxworks-dummy.h.
13714         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
13715         Mark with ATTRIBUTE_UNUSED.
13716         (arm_override_options): Do not allow VxWorks RTP PIC to be used
13717         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
13718         make it incompatible with -msingle-pic-base.
13719         (arm_function_ok_for_sibcall): Return false for calls that might
13720         go through a VxWorks PIC PLT entry.
13721         (require_pic_register): New function, split out from...
13722         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
13723         for VxWorks RTPs.
13724         (arm_load_pic_register): Handle the VxWorks RTP initialization
13725         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
13726         (arm_emit_call_insn): New function.
13727         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
13728         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
13729         (pic_offset_arm): New pattern.
13730         (call, call_value): Use arm_emit_call_insn.
13731         (call_internal, call_value_internal): New expanders.
13732         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
13733         VxWorks unless __PIC__.
13734
13735 2007-05-30  Eric Christopher  <echristo@gmail.com>
13736
13737         * genrecog.c: Include regs.h in generated file.
13738         * genemit.c: Ditto. Fix up formatting.
13739         * config/mn10300/constraints.md: New.
13740         * config/mn10300/mn10300.md: Include.
13741         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
13742         Fix up for removed macro.
13743         * config/mn10300/predicates.md (call_address_operand): Ditto.
13744         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
13745         (CONST_OK_FOR_I): Ditto.
13746         (CONST_OK_FOR_J): Ditto.
13747         (CONST_OK_FOR_K): Ditto.
13748         (CONST_OK_FOR_L): Ditto.
13749         (CONST_OK_FOR_M): Ditto.
13750         (CONST_OK_FOR_N): Ditto.
13751         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
13752         (OK_FOR_Q): Ditto.
13753         (OK_FOR_R): Ditto.
13754         (OK_FOR_T): Ditto.
13755         (EXTRA_CONSTRAINT): Ditto.
13756
13757 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13758
13759         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
13760         Remove defines.
13761         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
13762         OPTION_MASK_ISA_64BIT.
13763         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
13764
13765 2007-05-30  Richard Guenther  <rguenther@suse.de>
13766
13767         PR middle-end/32152
13768         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
13769         types for comparison.
13770         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
13771         with original typed arguments.
13772         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
13773
13774 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
13775
13776         PR tree-optimization/31769
13777         * except.c (duplicate_eh_regions): Clear prev_try if
13778         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
13779
13780 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
13781
13782         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
13783         * tree-ssa-sink.c (statement_sink_location): Return basic block and
13784         bsi of the location where statements should be inserted.
13785         (sink_code_in_bb): Take bsi from statement_sink_location.
13786         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
13787         instead of bsi_start.
13788         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
13789         bsi_insert_after.
13790         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
13791         (bsi_move_before): Document inconsistency with bsi_move_after.
13792         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
13793
13794 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13795
13796         * config/i386/i386.h (TARGET_ABM): New define.
13797         (TARGET_POPCNT): Ditto.
13798         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
13799         New temporary defines to redefine from OPTION_ISA_* defines.
13800         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
13801         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
13802         (ix86_isa_flags): New extern int declaration.
13803         (TARGET_SUBTARGET_DEFAULT): New define.
13804         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
13805         (TARGET_SUBTARGET32_DEFAULT): Ditto.
13806         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
13807         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13808         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
13809         * config/i386/darwin.h: Change TARGET_64BIT define to
13810         OPTION_ISA_64BIT.
13811
13812         * config/i386/i386.opt (m3dnowa): Define as undocumented option
13813         using existing "ix86_isa_flags" varible.
13814         (m32, m64): Use existing "ix86_isa_flags" variable.
13815         (mmmx, m3dnow): Ditto.
13816         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
13817         (mabm): Define as non-negative option using "x86_abm" variable.
13818         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
13819
13820         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
13821         Rewrite feature test bitmap.
13822         (ix86_isa_flags): New initialized global int varible.
13823         (ix86_isa_flags_explicit): New static int variable.
13824         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
13825         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
13826         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
13827         target_flags_explicit.
13828         (override_options): Remove "target_enable" and "target_disable" fields
13829         from "struct ptt". Update processor_target_table accordingly. Remove
13830         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
13831         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
13832         "target_flags" and "ix86_isa_flags_explicit" instead of
13833         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
13834         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
13835         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
13836         to true when either of PTA_POPCNT or PTA_ABM is set in
13837         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
13838         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
13839         processor_alias_table flags entry.  Remove handling of
13840         "target_enable" and "target_disable" fields of processor_target_table.
13841         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
13842         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
13843         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
13844         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
13845         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
13846         "target_flags".
13847         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
13848
13849 2007-05-29  David Daney  <ddaney@avtrex.com>
13850
13851         PR gcc/31975
13852         * config/mips/mips.c (mips_output_mi_thunk): Emit
13853         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
13854
13855 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
13856         * config/i386/i386.c (ix86_function_regparm): Added checking of
13857         ix86_force_align_arg_pointer to determine the number of
13858         register parameters.
13859
13860 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
13861
13862         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
13863         (SET_DR_MISALIGNMENT): New.
13864         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
13865         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
13866         Use SET_DR_MISALIGNMENT.
13867         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
13868         pointer.
13869         * tree-data-ref.c (create_data_ref, compute_all_dependences,
13870         find_loop_nest): Export.
13871         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
13872         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
13873         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
13874         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
13875         New macros.
13876         (struct mem_ref): Add field reuse_distance.
13877         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
13878         Initialize reuse_distance field.
13879         (issue_prefetch_ref): Select temporality of prefetch according to
13880         reuse_distance.
13881         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
13882         self_reuse_distance, determine_loop_nest_reuse): New functions.
13883         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
13884         (tree_ssa_prefetch_arrays): Dump L2 cache size.
13885         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
13886         dependency.
13887
13888 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
13889
13890         * tree-ssa-alias.c: Add aliasing overview.
13891
13892 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
13893             Danny Smith  <dannysmith@users.sourceforge.net>
13894
13895         PR target/29498
13896         * config/i386/t-crtfm: Compile crtfastmath.o with
13897         -minline-all-stringops.
13898         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
13899         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
13900
13901 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13902
13903         * doc/md.texi: Document constraints on HP PA-RISC.
13904
13905         * pa/constraints.md: New file.
13906         * pa.md: Include constraints.md.
13907         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
13908         (integer_store_memory_operand, ldil_cint_p): New functions.
13909         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
13910         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
13911         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
13912         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
13913         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
13914
13915 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
13916
13917         PR c/31339
13918         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
13919         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
13920         case POSTDECREMENT_EXPR>): Return the error_mark_node
13921         if either the real or imaginary parts would an
13922         error_mark_node.
13923
13924 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
13925
13926         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
13927         name when we remove it from a call.
13928
13929 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
13930
13931         * targhooks.c (default_narrow_bitfield): Remove.
13932         * targhooks.h: Remove the prototype for
13933         default_narrow_bitfield.
13934
13935         * langhooks-def.h: Remove the prototype for
13936         hook_get_alias_set_0.
13937         * langhooks.c (hook_get_alias_set_0): Remove.
13938
13939         * global.c (EXECUTE_IF_CONFLICT): Remove.
13940
13941 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13942
13943         PR tree-opt/32100
13944         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
13945         return true when truth_value_p is true and the type
13946         is of signed:1.
13947
13948 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
13949
13950         * doc/install.texi (Prerequisites): We no longer require Autoconf
13951         2.13 for the top-level.
13952
13953 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
13954
13955         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
13956         memory access via x86_expand_vector_move_misalign() only for
13957         TImode values on 32-bit targets.
13958
13959 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
13960
13961         * matrix-reorg.c: New file. Implement matrix flattening and
13962         transposing optimization.
13963         * tree-pass.h: Add matrix reorg pass.
13964         * common.opt: Add fipa-mreorg flag.
13965         * Makefile.in: Add matrix-reorg.c.
13966         * passes.c: Add matrix reorg pass.
13967         * varpool.c (add_new_static_var): New function.
13968         * cgraph.h (add_new_static_var): Declare.
13969
13970 2007-05-27  Eric Christopher  <echristo@apple.com>
13971
13972         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
13973         sp_offset depending on stack size. Save r12 depending
13974         on registers we're saving later.
13975         (rs6000_emit_epilogue): Update sp_offset depending only
13976         on stack size.
13977
13978 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
13979
13980         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
13981         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
13982         * ifcvt.c (if_convert): Ditto.
13983         * tree-ssa-threadupdate.c (thread_block): Ditto.
13984         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
13985         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
13986         verify_loop_closed_ssa): Check number_of_loops instead of
13987         current_loops.
13988         * predict.c (tree_estimate_probability): Ditto.
13989         * tree-if-conv.c (main_tree_if_conversion): Ditto.
13990         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13991         * modulo-sched.c (sms_schedule): Ditto.
13992         * tree-scalar-evolution.c (scev_const_prop): Ditto.
13993         (scev_finalize): Do not do anything if scev analysis was not
13994         initialized.
13995         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
13996         current_loops == NULL.
13997         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
13998         * loop-init.c (loop_optimizer_init): Do not free current_loops when
13999         there are no loops.
14000         (loop_optimizer_finalize): Assert that loops were analyzed.
14001         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
14002         rtl_doloop): Check number_of_loops instead of current_loops.
14003         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
14004         current_loops == NULL.
14005         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
14006         gate_tree_vectorize tree_linear_transform, check_data_deps,
14007         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
14008         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
14009         Check number_of_loops instead of current_loops.
14010         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
14011         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
14012         free loops if available.
14013         (execute_pre): Do not pass do_fre to fini_pre.
14014
14015 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14016
14017         PR middle-end/32083
14018         * real.c (mpfr_from_real): Fix sign of -Inf.
14019
14020 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14021
14022         * tree-vect-transform.c (vectorizable_conversion): Initialize
14023         tree_code variables to ERROR_MARK.
14024         (vectorizable_type_demotion): Likewise.
14025         (vectorizable_type_promotion): Likewise.
14026
14027 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14028
14029         PR target/32065
14030         * config/i386/i386.md (movti): Handle push operands via
14031         ix86_expand_push().
14032
14033 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14034
14035         * basic-block.h: Remove the prototype for merge_seq_blocks.
14036         * cfgcleanup.c (merge_seq_blocks): Remove.
14037
14038         * tree-flow.h: Remove the prototype for is_aliased_with.
14039         * tree-ssa-alias.c (is_aliased_with): Remove.
14040
14041 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14042
14043         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14044
14045         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14046
14047         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14048         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14049         (vec_unpacks_hi_v16qi): Likewise.
14050         (vec_unpacku_lo_v16qi): Likewise.
14051         (vec_unpacks_lo_v16qi): Likewise.
14052         (vec_unpacku_hi_v8hi): Likewise.
14053         (vec_unpacks_hi_v8hi): Likewise.
14054         (vec_unpacku_lo_v8hi): Likewise.
14055         (vec_unpacks_lo_v8hi): Likewise.
14056         (vec_unpacku_hi_v4si): Likewise.
14057         (vec_unpacks_hi_v4si): Likewise.
14058         (vec_unpacku_lo_v4si): Likewise.
14059         (vec_unpacks_lo_v4si): Likewise.
14060
14061 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14062
14063         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14064         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14065         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14066         follow spelling conventions in various
14067         warning/error/diagnostic messages.
14068
14069         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14070         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14071         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14072         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14073         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14074         * doc/tm.texi: Follow spelling conventions.
14075
14076 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14077
14078         PR tree-opt/32090
14079         * tree-ssa-forwprop.c
14080         (forward_propagate_addr_into_variable_array_index): Remove
14081         the lhs argument.  Use the type of def_rhs instead of lhs.
14082         (forward_propagate_addr_expr_1): Update use of
14083         forward_propagate_addr_into_variable_array_index.
14084
14085 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14086             Nigel Stephens  <nigel@mips.com>
14087
14088         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14089         function attributes, "far" being an alias for "long_call".
14090         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14091         (mips_near_type_p, mips_far_type_p): New.
14092         (mips_comp_type_attributes): New function to check that attributes
14093         attached to a function type are compatible.
14094         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14095         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14096         to the target function of the thunk.
14097         (mips_encode_section_info): Check for "near" and "far" function
14098         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14099
14100         * config/mips/predicates.md (const_call_insn_operand): Test only
14101         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14102
14103         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14104         "far" attributes.
14105
14106         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14107         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14108         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14109         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14110
14111 2007-05-25  Eric Christopher  <echristo@apple.com>
14112
14113         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14114         to x86-darwin configurations.
14115         * config/i386/t-darwin: Add softfp support.
14116         * config/i386/t-darwin64: Ditto.
14117         * config/i386/sfp-machine.h: If mach then don't use
14118         aliasing, emit a stub to call.
14119
14120 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14121
14122         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14123         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14124         tree-predcom.c, tree-ssa-alias-warnings.c,
14125         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14126         comment typos.  Follow spelling conventions.
14127         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14128
14129 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14130
14131         PR target/32065
14132         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14133         constants into memory.  Expand unaligned memory references for
14134         SSE modes via x86_expand_vector_move_misalign() function.
14135
14136 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14137
14138         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14139         "memory" attribute for "sseishft" type insn without operands[2].
14140
14141 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14142             Marcus Meissner <meissner@suse.de>
14143
14144         * doc/extend.texi (alloc_size): New attribute.
14145         * c-common.c (handle_alloc_size_attribute): New.
14146         * tree-object-size.c (alloc_object_size): Use alloc_size
14147         attribute, if available.
14148
14149 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14150
14151         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14152         with MASK_SSE2.
14153         (__builtin_ia32_vec_ext_v2di): Likewise.
14154         (__builtin_ia32_vec_ext_v4si): Likewise.
14155         (__builtin_ia32_vec_ext_v8hi): Likewise.
14156         (__builtin_ia32_vec_ext_v16qi): Likewise.
14157         (__builtin_ia32_vec_set_v8hi): Likewise.
14158
14159 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14160
14161         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14162
14163 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14164
14165         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14166         (arm_is_longcall_p): Rename to...
14167         (arm_is_long_call_p): ...this.  Take a single tree argument and
14168         return a bool.
14169         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14170         (CUMULATIVE_ARGS): Remove call_cookie.
14171         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14172         (ENCODED_LONG_CALL_ATTR_P): Delete.
14173         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14174         LONG_CALL_FLAG_CHAR cases.
14175         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14176         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14177         ARM_DECLARE_FUNCTION_SIZE.
14178         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14179         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14180         (arm_encode_call_attribute, current_file_function_operand): Delete.
14181         (arm_function_in_section_p): New function.
14182         (arm_is_longcall_p): Rename to...
14183         (arm_is_long_call_p): ...this.  Take the target function as a single
14184         argument and return a bool.  Do not rely on call cookies.  Check
14185         whether the target symbol is in the same section as the current
14186         function, not just the same compilation unit.
14187         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14188         (arm_encode_section_info): Don't encode a call type.
14189         * config/arm/arm.md (call, call_value): Update calls to
14190         arm_is_long(_)call_p.  Simplify logic.
14191         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14192         Update calls to arm_is_long(_)call_p.
14193
14194 2007-05-25  Richard Guenther  <rguenther@suse.de>
14195
14196         PR tree-optimization/31982
14197         * tree-ssa-forwprop.c
14198         (forward_propagate_addr_into_variable_array_index): Handle arrays
14199         with element size one.
14200
14201 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14202
14203         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14204         (umulsi3_highpart): Likewise.
14205
14206 2007-05-24  Ian Lance Taylor  <iant@google.com>
14207
14208         PR rtl-optimization/32069
14209         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14210         is NULL.
14211
14212 2007-05-24  Ollie Wild  <aaw@google.com>
14213
14214         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14215         description.
14216
14217 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14218
14219         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14220         (oprs_unchanged_p): Use it to check all registers in a REG.
14221         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14222         (reg_set_between_after_reload_p): Delete.
14223         (reg_used_between_after_reload_p): Likewise.
14224         (reg_set_or_used_since_bb_start): Likewise.
14225         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14226         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14227         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14228         * rtlanal.c (reg_set_p): Check whether REG overlaps
14229         regs_invalidated_by_call, rather than just checking the
14230         membership of REGNO (REG).
14231
14232 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14233
14234         * doc/passes.texi: Document predictive commoning.
14235         * doc/invoke.texi (-fpredictive-commoning): Document.
14236         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14237         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14238         adding indices to the generated name.
14239         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14240         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14241         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14242         (op_symbol_code): ... and exported.
14243         (dump_omp_clause, op_symbol): Use op_symbol_code
14244         instead of op_symbol_1.
14245         * tree-pass.h (pass_predcom): Declare.
14246         * timevar.def (TV_PREDCOM): New timevar.
14247         * tree-ssa-loop.c (run_tree_predictive_commoning,
14248         gate_tree_predictive_commoning, pass_predcom): New.
14249         * tree-data-ref.c (find_data_references_in_loop): Find the
14250         references in dominance order.
14251         (canonicalize_base_object_address): Ensure that the result has
14252         pointer type.
14253         (dr_analyze_innermost): Export.
14254         (create_data_ref): Code to fail for references with invariant
14255         address moved ...
14256         (find_data_references_in_stmt): ... here.
14257         * tree-data-ref.h (dr_analyze_innermost): Declare.
14258         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14259         (aff_combination_find_elt, name_expansion_hash,
14260         name_expansion_eq, tree_to_aff_combination_expand,
14261         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14262         New functions.
14263         * tree-affine.h (aff_combination_constant_multiple_p,
14264         tree_to_aff_combination_expand): Declare.
14265         * tree-predcom.c: New file.
14266         * common.opt (fpredictive-commoning): New option.
14267         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14268         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14269         * Makefile.in (tree-predcom.o): Add.
14270         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14271         * passes.c (init_optimization_passes): Add dceloop after
14272         copy propagation in loop optimizer.  Add predictive commoning
14273         to loop optimizer passes.
14274
14275 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14276
14277         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14278         default hook.
14279
14280 2007-05-24  Jan Hubicka  <jh@suse.cz>
14281
14282         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14283         statistics.
14284         (genheader): Include statistics.h.
14285
14286         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14287         notes are gone.
14288         * print-rtl.c (flag_dump_unnumbered): Update comments.
14289         (print_rtl): Fix my previous change.
14290         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14291         specific data.
14292
14293 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14294
14295         PR middle-end/32018
14296         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14297         set_loop_copy.
14298         (thread_through_all_blocks): Call initialize_original_copy_tables
14299         and free_original_copy_tables.
14300         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14301         Use set_loop_copy.
14302         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14303         * cfghooks.c (duplicate_block): Use get_loop_copy.
14304         * cfg.c: Include cfgloop.h.
14305         (loop_copy): New hash table.
14306         (initialize_original_copy_tables): Initialize loop_copy table.
14307         (free_original_copy_tables): Free loop_copy table.
14308         (copy_original_table_clear, copy_original_table_set,
14309         set_loop_copy, get_loop_copy): New functions.
14310         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14311         * cfgloop.h (struct loop): Remove copy field.
14312         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14313         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14314
14315 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14316
14317         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14318         -msse/-msse2/-msse3.
14319
14320 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14321
14322         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14323         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14324
14325 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14326
14327         PR target/27067
14328         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14329         * targhooks.h (default_mangle_decl_assembler_name): Declare
14330         default hook.
14331         * targhooks.c (default_mangle_decl_assembler_name): Define
14332         default hook.
14333         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14334         default hook.
14335         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14336         * langhooks.c (lhd_set_decl_assembler_name): Call
14337         targetm.mangle_decl_assembler_name for names with global scope.
14338
14339         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14340         default.
14341         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14342         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14343         Declare.
14344         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14345         New. Factored out of i386_pe_encode_section_info.
14346         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14347         Move check for prior decoration of stdcall
14348         symbols to i386_pe_encode_section_info.
14349         (i386_pe_encode_section_info): Adjust call to
14350         gen_stdcall_or_fastcall_suffix.  Use
14351         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14352         (i386_pe_mangle_decl_assembler_name): New. Wrap
14353         i386_pe_maybe_mangle_decl_assembler_name.
14354
14355 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14356
14357         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14358         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14359         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14360         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14361         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14362         TYPE_UNSIGNED.
14363
14364 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14365             Nigel Stephens  <nigel@mips.com>
14366             Richard Sandiford  <richard@codesourcery.com>
14367
14368         Fix up MIPS16 hard float and add support for complex.
14369
14370         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14371         (TARGET_SOFT_FLOAT_ABI): New.
14372         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14373         __mips_soft_float to reflect the ABI in use, not whether the
14374         FPU is directly accessible (e.g., in MIPS16 mode).
14375         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14376         (UNITS_PER_FPVALUE): Likewise.
14377
14378         * config/mips/mips.c (mips_expand_call): Remove redundant
14379         TARGET_MIPS16 check.
14380         (mips_arg_regno): New.
14381         (function_arg_advance): When setting bits in cum->fp_code for
14382         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14383         zero-based.
14384         (function_arg): Use mips_arg_regno.
14385         (mips_return_mode_in_fpr_p): New.
14386         (mips16_call_stub_mode_suffix): New.
14387         (mips16_cfun_returns_in_fpr_p): New.
14388         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14389         (mips_output_function_prologue): Test mips16_hard_float, not
14390         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14391         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14392         return value into a floating-point register.
14393         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14394         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14395         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14396         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14397         word of double arguments from or to the high bits of 64-bit
14398         floating point registers.
14399         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14400         (mips16_fpret_double): New helper function.
14401         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14402         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14403         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14404
14405         * config/mips/mips16.S
14406         (RET, ARG1, ARG2): New.
14407         (MERGE_GPRf, MERGE_GPRt): New.
14408         (DELAYt, DELAYf): New.
14409         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14410         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14411         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14412         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14413         (SFOP): Renamed to...
14414         (OPSF3): This, and macro-ified.  Updated all uses.
14415         (SFOP2): Renamed to...
14416         (OPSF2): This, and macro-ified.  Updated all uses.
14417         (SFCMP): Renamed to...
14418         (CMPSF): This, and macro-ified.  Updated all uses.
14419         (SFREVCMP): Renamed to...
14420         (REVCMPSF): This, and macro-ified.  Updated all uses.
14421         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14422         (LDDBL1, LDDBL2, RETDBL): Deleted.
14423         (DFOP): Renamed to...
14424         (OPDF3): This, and macro-ified.  Updated all uses.
14425         (DFOP2): Renamed to...
14426         (OPDF2): This, and macro-ified.  Updated all uses.
14427         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14428         (DFCMP): Renamed to...
14429         (CMPDF): This, and macro-ified.  Updated all uses.
14430         (DFREVCMP): Renamed to...
14431         (REVCMPDF): This, and macro-ified.  Updated all uses.
14432         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14433         (RET_FUNCTION): New.
14434         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14435         (__mips16_ret_sc, __mips16_ret_dc): New.
14436         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14437         STUB_ARGS_6, STUB_ARGS_10): New.
14438         (CALL_STUB_NO_RET): New.
14439         (__mips16_call_stub_1): Macro-ified.
14440         (__mips16_call_stub_5): Macro-ified.
14441         (__mips16_call_stub_2): Macro-ified.
14442         (__mips16_call_stub_6): Macro-ified.
14443         (__mips16_call_stub_9): Macro-ified.
14444         (__mips16_call_stub_10): Macro-ified.
14445         (CALL_STUB_RET): New.
14446         (__mips16_call_stub_sf_0): Macro-ified.
14447         (__mips16_call_stub_sf_1): Macro-ified.
14448         (__mips16_call_stub_sf_5): Macro-ified.
14449         (__mips16_call_stub_sf_2): Macro-ified.
14450         (__mips16_call_stub_sf_6): Macro-ified.
14451         (__mips16_call_stub_sf_9): Macro-ified.
14452         (__mips16_call_stub_sf_10): Macro-ified.
14453         (__mips16_call_stub_df_0): Macro-ified.
14454         (__mips16_call_stub_df_1): Macro-ified.
14455         (__mips16_call_stub_df_5): Macro-ified.
14456         (__mips16_call_stub_df_2): Macro-ified.
14457         (__mips16_call_stub_df_6): Macro-ified.
14458         (__mips16_call_stub_df_9): Macro-ified.
14459         (__mips16_call_stub_df_10): Macro-ified.
14460         (__mips16_call_stub_sc_0): New.
14461         (__mips16_call_stub_sc_1): New.
14462         (__mips16_call_stub_sc_5): New.
14463         (__mips16_call_stub_sc_2): New.
14464         (__mips16_call_stub_sc_6): New.
14465         (__mips16_call_stub_sc_9): New.
14466         (__mips16_call_stub_sc_10): New.
14467         (__mips16_call_stub_dc_0): New.
14468         (__mips16_call_stub_dc_1): New.
14469         (__mips16_call_stub_dc_5): New.
14470         (__mips16_call_stub_dc_2): New.
14471         (__mips16_call_stub_dc_6): New.
14472         (__mips16_call_stub_dc_9): New.
14473         (__mips16_call_stub_dc_10): New.
14474
14475         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14476         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14477         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14478
14479 2007-05-23  Ian Lance Taylor  <iant@google.com>
14480
14481         * doc/invoke.texi (Invoking GCC): Document that the order of the
14482         -l option matters.
14483
14484 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14485
14486         PR target/30987
14487         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14488         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14489         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14490         undef.
14491
14492         PR target/30474
14493         * config/score/score.c (score_print_operand): Make sure that only
14494         lower bits are used.
14495
14496 2007-05-22  Ian Lance Taylor  <iant@google.com>
14497
14498         * tree-vrp.c (avoid_overflow_infinity): New static function,
14499         broken out of set_value_range_to_value.
14500         (set_value_range_to_value): Call avoid_overflow_infinity.
14501         (extract_range_from_assert): Likewise.
14502
14503 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14504
14505         PR middle-end/31095
14506          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14507         change the type before looking for a COMPOUND_EXPR.
14508
14509 2007-05-22  Ian Lance Taylor  <iant@google.com>
14510
14511         * lower-subreg.c (decompose_multiword_subregs): If we change an
14512         insn, call remove_retval_note on it.
14513
14514 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14515
14516         * regs.h (end_hard_regno): New function.
14517         (END_HARD_REGNO, END_REGNO): New macros.
14518         (add_to_hard_reg_set): New function.
14519         (remove_from_hard_reg_set): Likewise.
14520         (in_hard_reg_set_p): Likewise.
14521         (overlaps_hard_reg_set_p): Likewise.
14522         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14523         (note_btr_set): Use END_HARD_REGNO.
14524         * caller-save.c (setup_save_areas): Use end_hard_regno.
14525         (mark_set_regs): Use END_HARD_REGNO.
14526         (add_stored_regs): Use end_hard_regno.
14527         (mark_referenced_regs): Use add_to_hard_reg_set.
14528         * combine.c (update_table_tick): Use END_REGNO.
14529         (record_value_for_reg): Likewise.
14530         (record_dead_and_set_regs): Likewise.
14531         (get_last_value_validate): Likewise.
14532         (use_crosses_set_p): Likewise.
14533         (reg_dead_at_p_1): Likewise.
14534         (reg_dead_at_p): Likewise.
14535         (mark_used_regs_combine): Use add_to_hard_reg_set.
14536         (move_deaths): Use END_HARD_REGNO.
14537         (reg_bitfield_target_p): Use end_hard_regno.
14538         (distribute_notes): Use END_HARD_REGNO.
14539         * cse.c (mention_regs): Use END_REGNO.
14540         (insert): Use add_to_hard_reg_set.
14541         (invalidate): Use END_HARD_REGNO.
14542         (invalidate_for_call): Likewise.
14543         (exp_equiv_p): Use END_REGNO.
14544         (cse_insn): Likewise.
14545         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14546         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14547         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14548         * function.c (keep_stack_depressed): Use end_hard_regno.
14549         * global.c (global_alloc): Use end_hard_regno.
14550         (global_conflicts): Use add_to_hard_reg_set instead of
14551         mark_reg_live_nc.
14552         (find_reg): Likewise.
14553         (mark_reg_store): Likewise.
14554         (mark_reg_conflicts): Likewise.
14555         (mark_reg_death): Use remove_from_hard_reg_set.
14556         (mark_reg_live_nc): Delete.
14557         (set_preference): Use end_hard_regno.
14558         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14559         remove_from_hard_reg_set.
14560         (post_mark_life): Use add_to_hard_reg_set.
14561         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14562         (reg_becomes_live): Use add_to_hard_reg_set.
14563         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14564         (peep2_find_free_register): Use add_to_hard_reg_set.
14565         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14566         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14567         * regrename.c (note_sets): Use add_to_hard_reg_set.
14568         (clear_dead_regs): Use remove_from_hard_reg_set.
14569         (regrename_optimize): Use add_to_hard_reg_set.
14570         (find_oldest_value_reg): Use in_hard_reg_set_p.
14571         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14572         (hard_reg_set_here_p): Use end_hard_regno.
14573         (decompose): Likewise.
14574         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14575         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14576         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14577         (mark_home_live): Use end_hard_regno.
14578         (spill_hard_reg): Likewise.
14579         (clear_reload_reg_in_use): Likewise.
14580         * reorg.c (delete_prior_computation): Use END_REGNO.
14581         * resource.c (update_live_status): Use END_HARD_REGNO.
14582         (mark_referenced_resources): Use add_to_hard_reg_set.
14583         (mark_set_resources): Likewise.
14584         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14585         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14586         (reg_overlap_mentioned_p): Likewise.
14587         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14588         (covers_regno_no_parallel_p): Use END_REGNO.
14589         (find_regno_note): Likewise.
14590         (find_reg_fusage): Use END_HARD_REGNO.
14591         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14592         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14593
14594 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14595
14596         * mode-switching.c (reg_dies): Change type of second argument to
14597         "HARD_REG_SET *".
14598         (optimize_mode_switching): Update accordingly.
14599
14600 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14601
14602         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14603         in favor of...
14604         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14605         (hard_reg_set_empty_p): ...these new functions.
14606         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14607         GO_IF_HARD_REG_SUBSET.
14608         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14609         instead of GO_IF_HARD_REG_EQUAL.
14610         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14611         instead of GO_IF_HARD_REG_EQUAL.
14612         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14613         GO_IF_HARD_REG_SUBSET.
14614         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14615         GO_IF_HARD_REG_EQUAL.
14616         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14617         of GO_IF_HARD_REG_SUBSET.
14618         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14619         instead of GO_IF_HARD_REG_EQUAL.
14620         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14621         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14622         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14623         of GO_IF_HARD_REG_SUBSET,
14624         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14625         GO_IF_HARD_REG_SUBSET.
14626         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14627         instead of GO_IF_HARD_REG_EQUAL.
14628         * config/sh/sh.c (push_regs, calc_live_regs): Use
14629         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14630         (hard_regs_intersect_p): Delete.
14631
14632 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14633
14634         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14635
14636 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14637             Richard Henderson  <rth@redhat.com>
14638
14639         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14640         extra_headers.
14641         (x86_64-*-*): Likewise.
14642
14643         * i386/i386-modes.def (V2QI): New.
14644
14645         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14646         SSE4A.
14647         (override_options): Support SSE4.1.
14648         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14649         (IX86_BUILTIN_BLENDPS): Likewise.
14650         (IX86_BUILTIN_BLENDVPD): Likewise.
14651         (IX86_BUILTIN_BLENDVPS): Likewise.
14652         (IX86_BUILTIN_PBLENDVB128): Likewise.
14653         (IX86_BUILTIN_PBLENDW128): Likewise.
14654         (IX86_BUILTIN_DPPD): Likewise.
14655         (IX86_BUILTIN_DPPS): Likewise.
14656         (IX86_BUILTIN_INSERTPS128): Likewise.
14657         (IX86_BUILTIN_MOVNTDQA): Likewise.
14658         (IX86_BUILTIN_MPSADBW128): Likewise.
14659         (IX86_BUILTIN_PACKUSDW128): Likewise.
14660         (IX86_BUILTIN_PCMPEQQ): Likewise.
14661         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14662         (IX86_BUILTIN_PMAXSB128): Likewise.
14663         (IX86_BUILTIN_PMAXSD128): Likewise.
14664         (IX86_BUILTIN_PMAXUD128): Likewise.
14665         (IX86_BUILTIN_PMAXUW128): Likewise.
14666         (IX86_BUILTIN_PMINSB128): Likewise.
14667         (IX86_BUILTIN_PMINSD128): Likewise.
14668         (IX86_BUILTIN_PMINUD128): Likewise.
14669         (IX86_BUILTIN_PMINUW128): Likewise.
14670         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14671         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14672         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14673         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14674         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14675         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14676         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14677         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14678         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14679         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14680         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14681         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14682         (IX86_BUILTIN_PMULDQ128): Likewise.
14683         (IX86_BUILTIN_PMULLD128): Likewise.
14684         (IX86_BUILTIN_ROUNDPD): Likewise.
14685         (IX86_BUILTIN_ROUNDPS): Likewise.
14686         (IX86_BUILTIN_ROUNDSD): Likewise.
14687         (IX86_BUILTIN_ROUNDSS): Likewise.
14688         (IX86_BUILTIN_PTESTZ): Likewise.
14689         (IX86_BUILTIN_PTESTC): Likewise.
14690         (IX86_BUILTIN_PTESTNZC): Likewise.
14691         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14692         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14693         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14694         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14695         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14696         (bdesc_ptest): New.
14697         (bdesc_sse_3arg): Likewise.
14698         (bdesc_2arg): Likewise.
14699         (bdesc_1arg): Likewise.
14700         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
14701         with 3 args.
14702         (ix86_expand_sse_4_operands_builtin): New.
14703         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
14704         smaller than 8 bits as the 2nd arg.
14705         (ix86_expand_sse_ptest): New.
14706         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
14707         (ix86_expand_vector_set): Support SSE4.1.
14708         (ix86_expand_vector_extract): Likewise.
14709
14710         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14711         __SSE4_1__ for -msse4.1.
14712
14713         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
14714         (UNSPEC_INSERTPS): Likewise.
14715         (UNSPEC_DP): Likewise.
14716         (UNSPEC_MOVNTDQA): Likewise.
14717         (UNSPEC_MPSADBW): Likewise.
14718         (UNSPEC_PHMINPOSUW): Likewise.
14719         (UNSPEC_PTEST): Likewise.
14720         (UNSPEC_ROUNDP): Likewise.
14721         (UNSPEC_ROUNDS): Likewise.
14722
14723         * config/i386/i386.opt (msse4.1): New for SSE4.1.
14724
14725         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
14726         (const_pow2_1_to_32768_operand): Likewise.
14727
14728         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
14729         file.
14730
14731         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
14732         SSE4.1.
14733         (sse4_1_insertps): Likewise.
14734         (*sse4_1_extractps): Likewise.
14735         (sse4_1_ptest): Likewise.
14736         (sse4_1_mulv2siv2di3): Likewise.
14737         (*sse4_1_mulv4si3): Likewise.
14738         (*sse4_1_smax<mode>3): Likewise.
14739         (*sse4_1_umax<mode>3): Likewise.
14740         (*sse4_1_smin<mode>3): Likewise.
14741         (*sse4_1_umin<mode>3): Likewise.
14742         (sse4_1_eqv2di3): Likewise.
14743         (*sse4_1_pinsrb): Likewise.
14744         (*sse4_1_pinsrd): Likewise.
14745         (*sse4_1_pinsrq): Likewise.
14746         (*sse4_1_pextrb): Likewise.
14747         (*sse4_1_pextrb_memory): Likewise.
14748         (*sse4_1_pextrw_memory): Likewise.
14749         (*sse4_1_pextrq): Likewise.
14750         (sse4_1_blendpd): Likewise.
14751         (sse4_1_blendps): Likewise.
14752         (sse4_1_blendvpd): Likewise.
14753         (sse4_1_blendvps): Likewise.
14754         (sse4_1_dppd): Likewise.
14755         (sse4_1_dpps): Likewise.
14756         (sse4_1_movntdqa): Likewise.
14757         (sse4_1_mpsadbw): Likewise.
14758         (sse4_1_packusdw): Likewise.
14759         (sse4_1_pblendvb): Likewise.
14760         (sse4_1_pblendw): Likewise.
14761         (sse4_1_phminposuw): Likewise.
14762         (sse4_1_extendv8qiv8hi2): Likewise.
14763         (*sse4_1_extendv8qiv8hi2): Likewise.
14764         (sse4_1_extendv4qiv4si2): Likewise.
14765         (*sse4_1_extendv4qiv4si2): Likewise.
14766         (sse4_1_extendv2qiv2di2): Likewise.
14767         (*sse4_1_extendv2qiv2di2): Likewise.
14768         (sse4_1_extendv4hiv4si2): Likewise.
14769         (*sse4_1_extendv4hiv4si2): Likewise.
14770         (sse4_1_extendv2hiv2di2): Likewise.
14771         (*sse4_1_extendv2hiv2di2): Likewise.
14772         (sse4_1_extendv2siv2di2): Likewise.
14773         (*sse4_1_extendv2siv2di2): Likewise.
14774         (sse4_1_zero_extendv8qiv8hi2): Likewise.
14775         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
14776         (sse4_1_zero_extendv4qiv4si2): Likewise.
14777         (*sse4_1_zero_extendv4qiv4si2): Likewise.
14778         (sse4_1_zero_extendv2qiv2di2): Likewise.
14779         (*sse4_1_zero_extendv2qiv2di2): Likewise.
14780         (sse4_1_zero_extendv4hiv4si2): Likewise.
14781         (*sse4_1_zero_extendv4hiv4si2): Likewise.
14782         (sse4_1_zero_extendv2hiv2di2): Likewise.
14783         (*sse4_1_zero_extendv2hiv2di2): Likewise.
14784         (sse4_1_zero_extendv2siv2di2): Likewise.
14785         (*sse4_1_zero_extendv2siv2di2): Likewise.
14786         (sse4_1_roundpd): Likewise.
14787         (sse4_1_roundps): Likewise.
14788         (sse4_1_roundsd): Likewise.
14789         (sse4_1_roundss): Likewise.
14790         (mulv4si3): Don't expand for SSE4.1.
14791         (smax<mode>3): Likewise.
14792         (umaxv4si3): Likewise.
14793         (uminv16qi3): Likewise.
14794         (umin<mode>3): Likewise.
14795         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
14796
14797         * doc/extend.texi: Document SSE4.1 built-in functions.
14798
14799         * doc/invoke.texi: Document -msse4.1.
14800
14801 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
14802
14803         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
14804         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
14805         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
14806         (ASM_SPEC): Add asm_pcrel_spec.
14807         (EXTRA_SPECS): Add asm_pcrel_spec.
14808
14809 2007-05-21  David Daney  <ddaney@avtrex.com>
14810
14811         * doc/install.texi (Building a cross compiler): Add requirements
14812         for Java cross compiler.
14813
14814 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14815
14816         PR middle-end/31995
14817         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
14818         Add loopno argument.  Use evolution_function_is_invariant_rec_p
14819         instead of evolution_function_is_constant_p.
14820         Update calls to evolution_function_is_affine_multivariate_p.
14821         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
14822         Add loopno argument.
14823         * tree-scalar-evolution.c (gather_chrec_stats): Call
14824         evolution_function_is_affine_multivariate_p with a loop
14825         number of 0.
14826         * tree-data-ref.c (analyze_miv_subscript): Likewise.
14827         (analyze_overlapping_iterations): Likewise.
14828         (access_functions_are_affine_or_constant_p): Likewise.
14829         (build_classic_dist_vector_1): If the access functions
14830         are equal, don't do anything.
14831
14832 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
14833             Paolo Carlini  <pcarlini@suse.de>
14834             Uros Bizjak  <ubizjak@gmail.com>
14835
14836         * c-cppbuiltin.c (c_cpp_builtins): Define
14837         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
14838         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
14839         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
14840         * doc/cpp.texi ([Standard Predefined Macros]): Document.
14841
14842 2007-05-21  Mike Stump  <mrs@apple.com>
14843
14844         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
14845         handling as well.
14846         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
14847
14848 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
14849
14850         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
14851         implementation if __OPTIMIZE__ is not defined.
14852         (_mm_alignr_pi8): Ditto.
14853         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
14854         (_mm_inserti_si64): Ditto.
14855         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
14856         (_mm_slli_epi16): Ditto.
14857         (_mm_slli_epi32): Ditto.
14858         (_mm_slli_epi64): Ditto.
14859         (_mm_srai_epi16): Ditto.
14860         (_mm_srai_epi32): Ditto.
14861         (_mm_srli_si128): Ditto.
14862         (_mm_slli_si128): Ditto.
14863         (_mm_srli_epi16): Ditto.
14864         (_mm_srli_epi32): Ditto.
14865         (_mm_srli_epi64): Ditto.
14866         (_mm_extract_epi16): Ditto.
14867         (_mm_insert_epi16): Ditto.
14868         (_mm_shufflehi_epi16): Ditto.
14869         (_mm_shufflelo_epi16): Ditto.
14870         (_mm_shuffle_epi32): Ditto.
14871         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
14872         (_m_pextrw): Ditto.
14873         (_mm_insert_pi16): Ditto.
14874         (_m_pinsrw): Ditto.
14875         (_mm_shuffle_pi16): Ditto.
14876         (_m_pshufw): Ditto.
14877         (_mm_shufle_ps): Ditto.
14878         (_mm_prefetch): Ditto.
14879
14880 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
14881
14882         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
14883         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
14884         * real.c (encode_i370_single, decode_i370_single,
14885         encode_i370_double, decode_i370_double): Functions removed.
14886         (i370_single_format, i370_double_format): Initializations removed.
14887         (real_maxval, round_for_format, exact_real_truncate, significand_size):
14888         Consider the log2_b field to always be one.
14889         (ieee_single_format, mips_single_format, coldfire_single_format,
14890         ieee_double_format, mips_double_format, coldfire_double_format,
14891         ieee_extended_motorola_format, ieee_extended_intel_96_format,
14892         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
14893         ibm_extended_format, mips_extended_format, ieee_quad_format,
14894         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
14895         decimal_single_format, decimal_double_format, decimal_quad_format,
14896         c4x_single_format, c4x_extended_format, real_internal_format): Remove
14897         initialization of log2_b.
14898         * real.h (i370_single_format, i370_double_format): Declarations
14899         removed.
14900         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
14901         field to always be one.
14902
14903 2007-05-21  Andreas Schwab  <schwab@suse.de>
14904
14905         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
14906         NOTE_INSN_BASIC_BLOCK_P.
14907         (process_for_unwind_directive): Likewise.
14908
14909 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
14910
14911         * builtins.c (expand_builtin_setjmp_setup): Update comment.
14912         * function.h (struct function): Move va_list_gpr_size,
14913         va_list_fpr_size, function_frequency to front of bitfields.  Add
14914         calls_unwind_init.
14915         (current_function_calls_unwind_init): New.
14916         * except.c (expand_builtin_unwind_init): Set
14917         current_function_calls_unwind_init not
14918         current_function_has_nonlocal_label.
14919         * reload1.c (has_nonexceptional_receiver): New.
14920         (reload): Use it and current_function_calls_unwind_init to
14921         determine whether call-saved regs must be saved.
14922
14923 2007-05-20  Jan Hubicka  <jh@suse.cz>
14924
14925         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
14926         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14927         * ddg.c (create_ddg): LIkewise.
14928         * final.c (final): Remove hunk moving line number notes around since
14929         they are no longer present at this stage.
14930         (final_scan_insn): Use NOTE_KIND instead of
14931         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14932         (output_asm_label): Likewise.
14933         * reorg.c (dbr_schedule): Likewise.
14934         * haifa-sched.c (unlink_other_notes): Likewise.
14935         * mode-switching.c (optimize_mode_switching): Likewise.
14936         * graph.c (start_bb): Likewise.
14937         * rtl.def (NOTE): Update description.
14938         * jump.c (squeeze_notes): Delete.
14939         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
14940         NOTE_INSN_BASIC_BLOCK_P when possible.
14941         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
14942         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
14943         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14944         (dwarf2out_var_location): Likewise.
14945         * cfgbuild.c (make_edges): Likewise.
14946         (find_basic_blocks_1): Likewise.
14947         * function.c (reorder_blocks_1): Likewise.
14948         (epilogue_done): Likewise.
14949         (reposition_prologue_and_epilogue_notes): Likewise.
14950         * print-rtl.c (print_rtx): Likewise; drop code for printing
14951         line number notes.
14952         (print_rtl): Likewise.
14953         (print_rtl_single): Likewise.
14954         * gcse.c (insert_insn_start_bb): Likewise.
14955         * alias.c (init_alias_analysis): Likewise.
14956         * calls.c (fixup_tail_calls): Likewise.
14957         * except.c (sjlj_emit_function_enter): Likewise.
14958         * emit-rtl.c (add_insn_after): Likeiwse.
14959         (emit_label_before): Likewise.
14960         (emit_label_after): Likewise.
14961         (emit_note_before, emit_note_after, emit_note): Update
14962         parameter to be enum insn_note; do not deal with source
14963         files.
14964         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
14965         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
14966         when possible.
14967         (merge_blocks_move_successor_nojumps): Simplify now when
14968         we don't have BLOCK notes.
14969         (try_optimize_cfg): Likewise.
14970         * cfglayout.c (skip_insns_after_block): Likewise.
14971         (record_effective_endpoints): Likewise.
14972         (duplicate_insn_chain): Likewise.
14973         * varasm.c (output_constant_pool_1): Likewise.
14974         * sched-deps.c (sched_analyze): Likewise.
14975         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
14976         Exterminate.
14977         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
14978         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
14979         (SET_INSN_DELETED): Simplify.
14980         (NOTE_LINE_NUMBER): Exterminate.
14981         (NOTE_LINE_KIND): New.
14982         (NOTE_INSN_BASIC_BLOCK_P): Update.
14983         (enum insn_note): Simplify.
14984         (GET_NOTE_INSN_NAME) Simplify.
14985         (emit_note_before, emit_note_after, emit_note): Update prototype.
14986         (squeeze_notes): Remove.
14987         * sched-int.h (NOTE_NOT_BB_P): Update.
14988         * resource.c (mark_target_live_regs): Update.
14989         * sched-rgn.c (debug_dependencies): Update.
14990         * sched-vis.c (print_insn): Update.
14991         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
14992         * config/i386/i386.c (ix86_output_function_epilogue): Update.
14993         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
14994         (TARGET_ADJUST_UNROLL_MAX): Likewise.
14995         (split_branches): Update.
14996         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
14997         4.0.0.
14998         (sh_adjust_unroll_max): Exterminate.
14999         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
15000         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
15001         (m68hc11_reorg): Likewise.
15002         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
15003         (emit_predicate_relation_info): Update.
15004         (process_for_unwind_directive): Update.
15005         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
15006         (output_call): Update.
15007         * config/pa/pa.c (output_lbranch): Update.
15008         (output_millicode_call): Update.
15009         (output_call): Update.
15010         (pa_combine_instructions): Update.
15011         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
15012         * config/bfin/bfin.c (gen_one_bundle): Update.
15013         * cfgrtl.c (can_delete_note_p): Update.
15014         (delete_insn): Update.
15015         (rtl_merge_blocks): Update.
15016         (commit_one_edge_insertion): Update.
15017         (rtl_verify_flow_info): Update.
15018         * stmt.c (expand_case): Do not call squeeze_notes.
15019
15020 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15021
15022         PR middle-end/7651
15023         PR c++/11856
15024         PR c/12963
15025         PR c/23587
15026         PR other/29694
15027         * c.opt (Wtype-limits): New.
15028         * doc/invoke.texi (Wtype-limits): Document it.
15029         (Wextra): Enabled by -Wextra.
15030         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15031         * c-common.c (shorten_compare): Warn with Wtype-limits.
15032
15033 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15034
15035         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15036         inlined function, not as a macro.
15037         (_mm_alignr_pi8): Ditto.
15038         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15039         (_mm_inserti_si64): Ditto.
15040         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15041         (_mm_extract_epi16): Ditto.
15042         (_mm_insert_epi16): Ditto.
15043         (_mm_shufflehi_epi16): Ditto.
15044         (_mm_shufflelo_epi16): Ditto.
15045         (_mm_shuffle_epi32): Ditto.
15046         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15047         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15048         all functions.
15049         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15050         float constant.
15051         (_m_to_float): Use C89 compatible assignment.
15052
15053 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15054
15055         PR target/32007
15056         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15057
15058 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15059
15060         PR middle-end/7651
15061         * doc/invoke.texi (Wreturn-type): Complete description.
15062         (Wextra): Delete item about return-type warning.
15063         * c-decl.c: Delete redundant Wextra warning.
15064
15065 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15066
15067         PR target/31585
15068         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15069         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15070         inlined function, not as a macro.
15071         (_mm_prefetch): Ditto.
15072         (_m_pextrw): Ditto.
15073         (_mm_insert_pi16): Ditto.
15074         (_m_pinsrw): Ditto.
15075         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15076         (_m_pshufw): Ditto. Add const to __N argument.
15077         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15078         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15079         (_mm_slli_epi32): Ditto.
15080         (_mm_srli_si128): Implement as always inlined function, not as a
15081         macro.  Add __inline to function declaration.
15082         (_mm_slli_si128): Ditto.
15083
15084 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15085
15086         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15087         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15088         New constants.
15089         (struct fenv): New structure.
15090         (FP_HANDLE_EXCEPTIONS): New define.
15091         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15092         (_FP_DECL_EXP): New define.
15093         (FP_INIT_ROUNDMODE): New define.
15094         (FP_ROUNDMODE): New define.
15095
15096 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15097
15098         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15099         (Wconversion): Update description.
15100         (Wconversion-sign): New.
15101         * c.opt (Wconversion-sign): New.
15102         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15103         means disabled for C++. Otherwise, take the status of Wconversion.
15104         * c-common.c (conversion_warning): Warn with either Wconversion or
15105         Wconversion-sign.
15106         (warnings_for_convert_and_check): Conditions are already checked by
15107         conversion_warning.
15108         (convert_and_check): Don't check warnings if the conversion failed.
15109
15110 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15111            Anatoly Sokolov <aesok@dol.ru>
15112
15113         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15114         avr_epilogue_uses) : Add declaration.
15115         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15116         * config/avr/constraints.md (R): New constraint.
15117         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15118         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15119         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15120         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15121         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15122         call_prologue_saves, epilogue_restores, return_from_epilogue,
15123         return_from_main_epilogue, return_from_interrupt_epilogue,
15124         return_from_naked_epilogue, prologue, epilogue): New patterns.
15125         (jump): Handle symbol reference.
15126         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15127         avr_output_function_prologue, avr_output_function_epilogue): Remove
15128         functions.
15129         (avr_init_machine_status, expand_prologue, expand_epilogue,
15130         avr_asm_function_end_prologue, avr_epilogue_uses,
15131         avr_asm_function_begin_epilogue): New functions.
15132         (prologue_size, epilogue_size, jump_tables_size): Remove global
15133         variables.
15134         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15135         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15136         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15137         (avr_override_options): Initialise init_machine_status.
15138         (output_movhi): Handle all stack pointer loads.
15139         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15140         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15141         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15142         (EPILOGUE_USES) Redefine.
15143         (machine_function) Declare.
15144
15145 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15146
15147         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15148         Use a single return statement.
15149
15150 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15151
15152         PR middle-end/30250
15153         * builtins.c (do_mpfr_lgamma_r): New.
15154         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15155         * tree.h (CASE_FLT_FN_REENT): New.
15156
15157 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15158
15159         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15160         (output_die): Use 'unsigned long' with %x.
15161         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15162         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15163         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15164
15165         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15166
15167 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15168
15169         PR target/31989
15170         PR target/31681
15171         PR target/31666
15172         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15173         true if function has no argument.
15174
15175 2007-05-18  DJ Delorie  <dj@redhat.com>
15176
15177         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15178         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15179
15180 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15181
15182         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15183         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15184         count_trailing_zeros.
15185         (__i386__): Implement count_leading_zeros using __builtin_clz().
15186         Implement count_trailing_zeros usign __builtin_ctz().
15187
15188 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15189
15190         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15191
15192 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15193
15194         PR middle-end/31344
15195         * expr.c (emit_move_change_mode): Change mode of push operands here.
15196
15197 2007-05-17  Ian Lance Taylor  <iant@google.com>
15198
15199         PR tree-optimization/31953
15200         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15201         Change all callers.
15202         (set_value_range_to_null): Call set_value_range_to_value.
15203         (extract_range_from_comparison): Likewise.
15204
15205 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15206
15207         * toplev.c (print_version): Output GMP/MPFR version info.
15208
15209         * builtins.c (CASE_MATHFN_REENT): New macro.
15210         (mathfn_built_in): Use it.
15211         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15212         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15213         BUILT_IN_LGAMMAL_R): New.
15214         * doc/extend.texi: Document new builtins.
15215
15216         PR middle-end/31796
15217         * builtins.c (do_mpfr_remquo): New.
15218         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15219         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15220
15221         PR middle-end/30251
15222         * builtins.c (fold_builtin_1): Handle y0, y1.
15223         (fold_builtin_2): Handle yn.
15224
15225         PR middle-end/30251
15226         * builtins.c (do_mpfr_bessel_n): New.
15227         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15228         (fold_builtin_2): Handle BUILT_IN_JN.
15229
15230 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15231
15232         PR target/31965
15233         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15234         TYPE_PRECISION (intmax_type_node).
15235
15236 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15237
15238         PR target/31850
15239         * reload.c (subst_reloads): Remove checking.
15240
15241 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15242
15243         PR rtl-optimization/31691
15244         * combine.c (simplify_set): Build a new src pattern instead of
15245         substituting its operands in the COMPARE case.
15246
15247 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15248
15249         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15250         (execute_vrp): Preserve loops through jump threading.
15251         * tree-ssa-threadupdate.c (thread_single_edge,
15252         dbds_continue_enumeration_p, determine_bb_domination_status,
15253         thread_through_loop_header): New functions.
15254         (create_edge_and_update_destination_phis,
15255         create_edge_and_update_destination_phis): Set loops for the new blocks.
15256         (prune_undesirable_thread_requests): Removed.
15257         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15258         create new blocks.
15259         (thread_block): Do not call prune_undesirable_thread_requests.
15260         Update loops.
15261         (mark_threaded_blocks): Select edges to thread here.
15262         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15263         Thread edges through loop headers independently.
15264         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15265         * tree-pass.h (TODO_mark_first_instance): New.
15266         (first_pass_instance): Declare.
15267         * cfghooks.c (duplicate_block): Put the block to the original loop
15268         if copy is not specified.
15269         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15270         jump threading.  Pass may_peel_loop_headers to
15271         thread_through_all_blocks according to first_pass_instance.
15272         * cfgloop.h (create_preheader): Declare.
15273         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15274         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15275         * passes.c (first_pass_instance): New variable.
15276         (next_pass_1): Set TODO_mark_first_instance.
15277         (execute_todo): Set first_pass_instance.
15278
15279 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15280
15281         PR tree-optimization/24659
15282         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15283         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15284         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15285         OTI_vec_pack_ufix_trunc.
15286         (vec_unpacks_float_hi_optab): Define new macro.
15287         (vec_unpacks_float_lo_optab): Ditto.
15288         (vec_unpacku_float_hi_optab): Ditto.
15289         (vec_unpacku_float_lo_optab): Ditto.
15290         (vec_pack_sfix_trunc_optab): Ditto.
15291         (vec_pack_ufix_trunc_optab): Ditto.
15292         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15293         and vec_pack_[s|u]fix_trunc_optab using
15294         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15295         * tree-vectorizer.c (supportable_widening_operation): Handle
15296         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15297         (supportable_narrowing_operation): New function.
15298         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15299         * tree-vect-transform.c (vectorizable_conversion): Handle
15300         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15301         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15302         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15303         to check for target support.
15304         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15305         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15306         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15307         for VEC_PACK_FIX_TRUNC_EXPR.
15308         (expand_binop): Special case mode of the result for
15309         vec_pack_[u|s]fix_trunc_optab.
15310         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15311         vec_pack_[u|s]fix_trunc_optab.
15312
15313         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15314         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15315         * tree-pretty-print.c (dump_generic_node): Handle
15316         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15317         VEC_PACK_FIX_TRUNC_EXPR.
15318         (op_prio): Ditto.
15319         * expr.c (expand_expr_real_1): Ditto.
15320         * tree-inline.c (estimate_num_insns_1): Ditto.
15321         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15322
15323         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15324         (vec_unpacks_float_lo_v8hi): Ditto.
15325         (vec_unpacku_float_hi_v8hi): Ditto.
15326         (vec_unpacku_float_lo_v8hi): Ditto.
15327         (vec_unpacks_float_hi_v4si): Ditto.
15328         (vec_unpacks_float_lo_v4si): Ditto.
15329         (vec_pack_sfix_trunc_v2df): Ditto.
15330
15331         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15332         Document.
15333         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15334         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15335         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15336         [vec_pack_ufix_trunc]: Ditto.
15337         [vec_unpacks_float_hi]: Ditto.
15338         [vec_unpacks_float_lo]: Ditto.
15339         [vec_unpacku_float_hi]: Ditto.
15340         [vec_unpacku_float_lo]: Ditto.
15341
15342 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15343
15344         * soft-fp/README: Update for new files.
15345         * soft-fp/floattisf.c: New file.
15346         * soft-fp/floattidf.c: New file.
15347         * soft-fp/floattitf.c: New file.
15348         * soft-fp/floatuntisf.c: New file.
15349         * soft-fp/floatuntidf.c: New file.
15350         * soft-fp/floatuntitf.c: New file.
15351         * soft-fp/fixsfti.c: New file.
15352         * soft-fp/fixdfti.c: New file.
15353         * soft-fp/fixtfti.c: New file.
15354         * soft-fp/fixunssfti.c: New file.
15355         * soft-fp/fixunsdfti.c: New file.
15356         * soft-fp/fixunstfti.c: New file.
15357         * soft-fp/extendxftf.c: New file.
15358         * soft-fp/trunctfxf.c: New file.
15359
15360         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15361         (__trunctfxf2): Ditto.
15362
15363         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15364         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15365         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15366         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15367         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15368         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15369
15370         * config/i386/t-fprules-softfp64: New file.
15371         * config/i386/sfp-machine.h: New file.
15372         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15373         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15374         and soft-fp/t-softfp to tmake_file.
15375         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15376         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15377
15378         * config/i386/t-linux64 (softfp_wrap_start): New.
15379         (softfp_wrap_end): New.
15380         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15381         supported for TARGET_64BIT.
15382
15383 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15384
15385         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15386         c_common_unsigned_type behavior.
15387
15388 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15389
15390         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15391         calls as pure.
15392
15393 2007-05-16  Eric Christopher  <echristo@apple.com>
15394
15395         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15396         saving after stack push. Set sp_offset whenever we push.
15397         (rs6000_emit_epilogue): Move altivec register restore before
15398         stack push.
15399
15400 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15401
15402         * configure.ac: Allow sysroots to be relocated under $prefix as
15403         well as $exec_prefix.
15404         * configure: Regenerate.
15405
15406 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15407
15408         Revert:
15409
15410         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15411
15412         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15413         (gcc_tooldir): Likewise.
15414         * configure: Regenerate.
15415         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15416         old configure.ac gcc_tooldir setting.
15417         (prefix_to_exec_prefix): New variable.
15418         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15419         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15420
15421 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15422
15423         * c-typeck.c (build_binary_op): Return early for error.
15424
15425 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15426
15427         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15428         struct nb_iter_bound.
15429         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15430         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15431         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15432         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15433         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15434         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15435         (del_scev_info): Use ggc_free.
15436         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15437         * loop-init.c: Include ggc.h.
15438         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15439         (loop_optimizer_finalize): Use ggc_free.
15440         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15441         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15442         pass_iv_optimize): Add TODO_ggc_collect.
15443         * function.h (struct function): Remove skip marker from
15444         x_current_loops.
15445         * cfgloop.c: Include ggc.h.
15446         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15447         memory.
15448         (establish_preds): Vector superloops is gc allocated.
15449         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15450         loop->exits list.
15451         (flow_loops_find): Vector larray is gc allocated.
15452         (loop_exit_free): Use ggc_free.
15453         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15454         that head of exits list is now not a part of struct loop.
15455         (record_loop_exits): Allocate exits table in gc memory.
15456         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15457         that head of exits list is now not a part of struct loop.
15458         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15459         struct loop_exit): Add GTY marker.
15460         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15461         Add skip marker to aux field.  Make head of exits list a separate
15462         object.
15463         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15464         Add param marker to exits table.
15465         (get_loops): Type changed.
15466         * Makefile.in (tree-scalar-evolution.o): Add
15467         gt-tree-scalar-evolution.h dependency.
15468         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15469         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15470         * basic-block.h (struct basic_block_def): Remove skip marker from
15471         loop_father field.
15472
15473 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15474
15475         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15476         of 0 in the call to expand_expr().
15477         (expand_builtin_mathfn_3): Ditto.
15478         (expand_builtin_interclass_mathfn): Ditto.
15479         (expand_builtin_cexpi): Ditto.
15480         (expand_builtin_int_roundingfn): Ditto.
15481         (expand_builtin_int_roundingfn_2): Ditto.
15482         (expand_builtin_pow): Ditto.
15483         (expand_builtin_powi): Ditto.
15484         (expand_builtin_bswap): Ditto.
15485         (expand_builtin_unop): Ditto.
15486         (expand_builtin_fabs): Ditto.
15487         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15488         the call to expand_expr().
15489         (expand_builtin_sync_operation): Ditto.
15490         (expand_builtin_compare_and_swap): Ditto.
15491         (expand_builtin_lock_test_and_set): Ditto.
15492         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15493         instead of 0 in the call to expand_expr().
15494         (expand_builtin_extract_return_addr): Ditto.
15495         (expand_builtin_eh_return): Ditto.
15496         (expand_eh_return): Ditto.
15497         * explow.c (expr_size): Ditto.
15498         * expr.c (optimize_bitfield_assignment_op): Ditto.
15499         (expand_assignement): Ditto.
15500         (store_expr): Ditto.
15501         (store_field): Ditto.
15502         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15503         the call to expand_expr().
15504         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15505         in the call to expand_expr().
15506         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15507         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15508         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15509         of expand_expr().
15510         * optabs.c (expand_vec_shift_expr): Ditto.
15511         (expand_vec_cond_expr): Ditto.
15512         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15513         call to expand_expr().
15514         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15515         in the call to expand_expr().
15516
15517 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15518
15519         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15520
15521 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15522
15523         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15524         instead of c_common_unsigned_type.
15525         (c_common_unsigned_type): Remove.
15526         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15527         c_common_unsigned_type.
15528         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15529         c_common_unsigned_type.
15530         * c-common.h (c_common_unsigned_type): Remove.
15531         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15532         c_common_unsigned_type.
15533         * c-format.c (check_format_types): Use unsigned_type_for instead of
15534         c_common_unsigned_type.
15535         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15536         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15537         of c_common_unsigned_type.
15538         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15539         lang_hooks.types.unsigned_type.
15540         * expmed.c (make_tree): Use unsigned_type_for instead of
15541         lang_hooks.types.unsigned_type.
15542         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15543         lang_hooks.types.unsigned_type.
15544         (build_range_check): Likewise.
15545         (fold_unary): Likewise.
15546         (fold_binary): Likewise.
15547         (fold_ternary): Likewise.
15548         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15549         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15550         * tree.c (get_unsigned_type): New.
15551         (unsigned_type_for): Use get_unsigned_type instead of
15552         lang_hooks.types.unsigned_type.
15553
15554 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15555
15556         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15557         to m68k_get_function_kind.  Update its prototype.
15558         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15559         interrupt_thread.
15560         (m68k_interrupt_function_p): Return enum m68k_function_type
15561         instead of bool.  Rename to m68k_get_function_kind.
15562         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15563         target is not fido.
15564         (m68k_compute_frame_layout): Don't mark any register for save
15565         if an interrupt_thread attribute is specified.
15566         (m68k_hard_regno_rename_ok): Update a use of
15567         m68k_interrupt_function_p.
15568         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15569         m68k_interrupt_function_p.
15570         (m68k_function_type): New.
15571         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15572         for a function with an interrupt_thread attribute.
15573         * doc/extend.texi: Document the interrupt_thread attribute.
15574
15575 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15576
15577         Fix PR tree-optimization/31911
15578         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15579         if they didn't change the expression.
15580
15581 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15582
15583         * tree-scalar-evolution.c (resolve_mixers): Exported.
15584         * tree-scalar-evolution.h (resolve_mixers): Declare.
15585         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15586         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15587         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15588         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15589         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15590         strip_conversion, analyze_offset_expr, address_analysis,
15591         object_analysis, analyze_offset): Removed.
15592         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15593         split_constant_offset, canonicalize_base_object_address,
15594         object_address_invariant_in_loop_p, disjoint_objects_p,
15595         dr_may_alias_p, dr_address_invariant_p): New functions.
15596         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15597         and dr_analyze_alias.
15598         (initialize_data_dependence_relation): Use dr_may_alias_p
15599         and object_address_invariant_in_loop_p.
15600         (compute_self_dependence): Handle the case when
15601         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15602         (find_data_references_in_stmt): Restrict the analysis of data
15603         references to the given loop nest.
15604         (find_data_references_in_loop): Made static.  Pass loop nest to
15605         find_data_references_in_stmt.
15606         (compute_data_dependences_for_loop): Use DR_VOPS.
15607         (free_data_ref): Free DR_VOPS.
15608         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15609         (struct innermost_loop_behavior): ... new.
15610         (struct base_object_info): Replaced by ...
15611         (struct indices): ... new.
15612         (struct dr_alias): New.
15613         (enum data_ref_type): Removed.
15614         (struct data_reference): Consist of struct innermost_loop_behavior,
15615         struct indices and struct dr_alias.
15616         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15617         (DR_MEMTAG): Renamed to ...
15618         (DR_SYMBOL_TAG): ... this.
15619         (find_data_references_in_loop): Declaration removed.
15620         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15621         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15622         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15623         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15624
15625 2007-05-13  Revital Eres  <eres@il.ibm.com>
15626
15627         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15628         which walks virtual def-use chains to find redundant stores.
15629         (dse_optimize_stmt): Call it.
15630
15631 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15632
15633         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15634         * passes.c (init_optimization_passes): Move pass_jump_bypass
15635         after loop2.
15636
15637         * basic-block.h (bb_has_eh_pred): Fix style issue.
15638
15639 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15640
15641         PR rtl-optimization/31848
15642         * loop-invariant.c (move_invariant_reg): If we move an insn
15643         with a REG_EQUAL note, and that insn is not always executed,
15644         remove the REG_EQUAL note.
15645
15646 2007-05-12  Richard Guenther  <rguenther@suse.de>
15647
15648         PR tree-optimization/31797
15649         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15650         propagate into a stmt that has volatile ops.
15651
15652 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15653
15654         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15655         (gcc_tooldir): Likewise.
15656         * configure: Regenerate.
15657         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15658         old configure.ac gcc_tooldir setting.
15659         (prefix_to_exec_prefix): New variable.
15660         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15661         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15662
15663 2007-05-11  Silvius Rus  <rus@google.com>
15664
15665         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15666         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15667         * c-common.h (strict_aliasing_warning): Change return type.
15668         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15669         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15670         (build_c_cast): Condition call to strict_aliasing_warning.
15671         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15672         * flags.h (set_Wstrict_aliasing): Declare.
15673         * opts.c (set_Wstrict_alising): Define, add call to.
15674         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15675         * tree-ssa-alias-warnings.c: New file.
15676         * tree-ssa-alias.c (compute_may_aliases): Add call to
15677         strict_aliasing_warning_backend.
15678
15679 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15680
15681         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15682         Use loop_depth and loop_outer accessor functions.
15683         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15684         determine_invariantness_stmt, move_computations_stmt): Ditto.
15685         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15686         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15687         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15688         * tree-scalar-evolution.c (interpret_loop_phi,
15689         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15690         instantiate_parameters_1, scev_const_prop): Ditto.
15691         * cfghooks.c (make_forwarder_block): Ditto.
15692         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15693         * modulo-sched.c (loop_canon_p): Ditto.
15694         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15695         slpeel_can_duplicate_loop_p): Ditto.
15696         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
15697         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
15698         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
15699         cancel_loop, verify_loop_structure): Ditto.
15700         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
15701         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
15702         superloops vector instead of "pred" array.
15703         (establish_preds): Take father loop as an argument.  Initialize the
15704         superloops vector.
15705         (flow_loop_tree_node_add): Pass father loop to establish_preds.
15706         Do not initialize loop->outer.
15707         (flow_loop_tree_node_remove): Truncate the superloops vector.
15708         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
15709         "pred" merged to "superloops" vector.
15710         (loop_depth, loop_outer): New.
15711         (fel_init): Use loop_outer.
15712
15713 2007-05-11  Jan Hubicka  <jh@suse.cz>
15714
15715         * cgraphunit.c: Include gt-cgraphunit.h
15716         (static_ctors, static_dtors): New static vars.
15717         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
15718         based on implementation in c-common.c
15719         (cgraph_finalize_function): Call record_cdtor_fn.
15720         (cgraph_optimize): Call cgraph_build_cdtor_fns.
15721         * decl.c (finish_function): Do not call c_record_cdtor_fn.
15722         (c_write_global_declarations): Do not call c_build_cdtor_fns.
15723         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
15724         build_cdtor, c_build_cdtor_fns): Remove.
15725         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
15726         c_build_cdtor_fns): Remove prototype.
15727
15728 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
15729
15730         PR other/31852
15731         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
15732         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
15733         * builtins.c (fold_builtin_memchr): New.
15734         (expand_builtin_memchr): Call the latter.
15735         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
15736         * doc/extend.texi ([Other built-in functions provided by GCC]):
15737         Document memchr.
15738
15739 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15740
15741         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
15742         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
15743         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
15744         PFPO_OP1_TYPE_SHIFT): Constants added.
15745         (DFP_ALL): Mode macro defined.
15746         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
15747         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
15748         Insn definitions added.
15749         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
15750         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
15751         Expanders added.
15752
15753 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
15754
15755         PR tree-optimization/31885
15756         * tree-chrec.c (chrec_contains_undetermined): Do not consider
15757         NULL_TREE to be undetermined.
15758         (automatically_generated_chrec_p): Return false for NULL.
15759
15760 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15761
15762         * config/bfin/bfin.h (MOVE_RATIO): Define.
15763
15764 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
15765
15766         * config.gcc (sparc-wrs-vxworks): New target.
15767         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
15768         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
15769         * config/sparc/sparc.h: Include vxworks-dummy.h.
15770         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
15771         include LABEL_REFs too.
15772         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
15773         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
15774         VxWorks.
15775         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
15776         on VxWorks.
15777         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
15778         (sparc_emit_call_insn): New function.
15779         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
15780         functions when generating VxWorks PIC.
15781         * config/sparc/sparc.md (vxworks_load_got): New pattern.
15782         (call, call_value): Use sparc_emit_call_insn instead of
15783         emit_call_insn.
15784
15785 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15786
15787         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
15788
15789 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15790
15791         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
15792         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
15793         split_double instead of operand_subword.
15794
15795 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15796
15797         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
15798         * config/bfin/bfin.c (bfin_local_alignment): New function.
15799         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
15800
15801 2007-05-08  Chao-ying Fu  <fu@mips.com>
15802
15803         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
15804         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
15805         (smsub_widen_optab, umsub_widen_optab): Define.
15806         * optabs.c (init_optabs): Initialize smsub_widen_optab and
15807         umsub_widen_optab.
15808         * genopinit.c (optabs): Fill in smsub_widen_optab and
15809         umsub_widen_optab.
15810         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
15811         and umsub_widen_optab to implement multiply-subtract sequences.
15812         * config/mips/mips.md (*msac<u>_di): Rename to...
15813         (<u>msubsidi4): ...this.  Extend condition to include
15814         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
15815         of operand 0 to "ka" and use the three-operand form of msub<u>
15816         for TARGET_DSPR2.
15817         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
15818         to define_expands.
15819
15820 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15821
15822         PR rtl-optimization/28011
15823         * reload.c (push_reload): Set dont_share if IN appears in OUT
15824         also when IN is a PLUS rtx.
15825         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
15826         are same PLUS rtx.
15827
15828 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
15829
15830         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
15831         call unshare_all_decls.
15832         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
15833         (unshare_all_decls): Remove.
15834
15835 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
15836
15837         PR 31847
15838         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
15839         dumps.
15840
15841 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
15842             Nigel Stephens  <nigel@mips.com>
15843
15844         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
15845         Update comments and all uses.
15846         (MIN_FPRS_PER_FMT): Define.
15847         * config/mips/mips.c (function_arg): Fix to correctly handle
15848         the -mips32r2 -mfp64 -mabi=32 case.
15849         (override_options): Enable use of odd-numbered registers for
15850         SFmode values on MIPS32.
15851         (mips_save_reg_p): Save whole floating-point register pair if
15852         either half is used.
15853         (compute_frame_size): Fix comment.
15854
15855 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
15856
15857         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
15858         argument of type bool.
15859         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
15860         argument. Safely select temporary P register according to it.
15861         (do_link): Change call site of add_to_reg accordingly.
15862         (do_unlink): Add epilogue_p as a fourth argument and pass it
15863         to add_to_reg.
15864         (expand_interrupt_handler_epilogue): Change call of do_unlink
15865         accordingly.
15866         (bfin_expand_prologue): Add a third argument sibcall_p.
15867         * config/bfin/bfin.md (epilogue): Change call of
15868         bfin_expand_epilogue accordingly.
15869         (sibcall_epilogue): Likewise.
15870         (eh_return_internal): Likewise.
15871
15872         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
15873         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
15874         * config/bfin/bfin.c (bfin_handle_option): Handle
15875         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
15876         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
15877         Support bf534, bf536 and bf561.
15878         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
15879
15880 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
15881
15882         PR target/31854
15883         * config/i386/i386.c (ix86_function_regparm): Process local
15884         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
15885
15886 2007-05-07  Mike Stump  <mrs@apple.com>
15887
15888         * doc/invoke.texi (Warning Options): Document that -Wempty-body
15889         also checks for and while statements in C++.
15890
15891 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
15892
15893         * gcc.c (at_file_supplied): New variable.
15894         (main): Set it if we expanded argv.
15895         (do_spec_1): Pass an @-file to the linker if we were called with
15896         an @-file argument and HAVE_GNU_LD.
15897         * collect2.c (at_file_supplied): New variable.
15898         (response_file): New variable.
15899         (collect_exit): Unlink response_file if necessary.
15900         (handler): Likewise.
15901         (do_wait): Likewise.
15902         (main): Set at_file_supplied if we expanded argv.
15903         (collect_execute): Pass an @-file to subprocesses if we were called
15904         with an @-file argument.
15905         * configure.ac: Add define for HAVE_GNU_LD.
15906         * configure: Regenerate.
15907         * config.in: Regenerate.
15908
15909 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
15910
15911         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
15912         operand to HI mode.
15913         (mulsi3): New.
15914         (divsi3): New.
15915         (udivsi3): New.
15916
15917 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
15918
15919         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15920         (TARGET_ENCODE_SECTION_INFO): Re-define.
15921         (m32c_encode_section_info): New
15922         (function_vector_handler): New
15923         (current_function_special_page_vector): New
15924         (m32c_special_page_vector_p): New.
15925         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
15926         Prototype.
15927         * config/m32c/jump.md: Added instruction JSRS for functions
15928         with attribute "function_vector".
15929         * doc/extend.texi (function_vector): Added description
15930         for M16C, M32C targets.
15931
15932 2007-05-07  DJ Delorie  <dj@redhat.com>
15933
15934         PR 31794
15935         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
15936         ashrpsi3, lshrpsi3): Update shift count constraint.
15937
15938 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
15939             Nathan Froyd  <froydnj@codesourcery.com>
15940
15941         PR 22133
15942         * c-incpath.c (add_path): Strip trailing path separators.
15943
15944 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15945
15946         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
15947         Free dominance info before purging EH edges.
15948         (eliminate_degenerate_phis): Likewise.
15949         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
15950
15951 2007-05-07  Jan Hubicka  <jh@suse.cz>
15952
15953         * gimplify.c (gimplify_expr): Do not crash when folding
15954         (void *)(int)&a + 4.
15955
15956 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15957
15958         PR driver/31694
15959         * c-opts.c (lang_fortran): Make it non static.
15960         * c-common.h (lang_fortran): New prototype.
15961         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
15962         -lang-fortran option was passed by the driver.
15963
15964 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
15965
15966         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
15967         of ASSERT_CHECKING.  Tweak message.
15968
15969 2007-05-06  Revital Eres  <eres@il.ibm.com>
15970
15971         PR 30957
15972         * loop-unroll.c (insert_var_expansion_initialization):
15973         Initialize the expansions with -zero instead of +zero.
15974
15975 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
15976
15977         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
15978         into pic and non-pic versions. Mark r19 as used for
15979         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
15980         for tgd_load, tld_load and tie_load .
15981         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
15982         version of tgd_load, tld_load and tie_load depending on the
15983         value of flag_pic.
15984
15985 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
15986             Jakub Jelinek  <jakub@redhat.com>
15987
15988         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
15989         (__do_global_dtors_aux): Use more paranoid loop to run
15990         destructors if HIDDEN_DTOR_LIST_END.
15991         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
15992
15993 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
15994
15995         * varasm.c (align_variable): Don't increase alignment for
15996         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
15997         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
15998
15999 2007-05-04  Josh Conner  <jconner@apple.com>
16000
16001         * basic-block.h (cdi_direction): Assign values to all enumeration
16002         constants.
16003         (dom_computed): Remove.
16004         (dom_info_state): New.
16005         (set_dom_info_availability): New.
16006         * tree-ssa-loop-im.c (determine_invariantness): Initialize
16007         walk_data.dom_direction.
16008         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
16009         instead of dom_computed[].
16010         (split_edge): Likewise.
16011         (create_basic_block): Likewise.
16012         (merge_blocks): Likewise.
16013         * ifcvt.c (find_if_header): Likewise.
16014         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
16015         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16016         * tree-ssa.c (verify_ssa): Likewise.
16017         * tree-cfg.c (tree_verify_flow_info): Likewise.
16018         (remove_edge_and_dominated_blocks): Likewise.
16019         * dominance.c (dom_computed): Make static.
16020         (calc_dfs_tree_nonrec): Change third param to a bool.
16021         (calc_dfs_tree): Change second param to a bool.
16022         (calc_idioms): Change second param to a bool.  Use
16023         dom_convert_dir_to_idx.
16024         (init_dom_info): Validate dir before using.
16025         (dom_convert_dir_to_idx): New.
16026         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16027         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16028         (free_dominance_info): Use dom_convert_dir_to_idx.
16029         (get_immediate_dominator): Likewise.
16030         (set_immediate_dominator): Likewise.
16031         (get_dominated_by): Likewise.
16032         (redirect_immediate_dominators): Likewise.
16033         (nearest_common_denominator): Likewise.
16034         (dominated_by_p): Likewise.
16035         (bb_dom_dfs_in): Likewise.
16036         (bb_dom_dfs_out): Likewise.
16037         (recount_dominator): Likewise.
16038         (iterate_fix_dominators): Likewise.
16039         (add_to_dominance_info): Likewise.
16040         (delete_from_dominance_info): Likewise.
16041         (first_dom_son): Likewise.
16042         (next_dom_son): Likewise.
16043         (dom_info_available_p): Likewise.
16044         (dom_info_state): New.
16045         (set_dom_info_availability): New.
16046
16047 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16048
16049         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16050         Expander removed.
16051         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16052
16053 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16054
16055         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16056         (subdi3, subdi_carry): Delete.
16057
16058 2007-05-04  Jan Hubicka  <jh@suse.cz>
16059             Richard Guenther  <rguenther@suse.de>
16060
16061         * opts.c (decode_options): Do not fiddle with inlining
16062         parameters in case of optimizing for size.
16063         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16064         for size do nothing.
16065         (cgraph_decide_inlining_of_small_function): When optimizing for
16066         size never inline functions increasing caller size.
16067         (cgraph_early_inlining): Inline for size when optimizing for size.
16068
16069 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16070
16071         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16072         logical operations piecewise.
16073         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16074         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16075         subdi_sesidi_di): Delete.
16076         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16077         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16078         the rtl expression for carry to avoid zero_extend of a constant.
16079         (sub_with_carry): New pattern.
16080         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16081         different sequence not involving jumps.
16082         (notbi): Now a named pattern.
16083
16084 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16085
16086         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16087         Add the note about a significant loss of accuracy of some
16088         mathematical routines when these options are used.
16089
16090 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16091
16092         * haifa-sched.c (rtx_vec_t): New typedef.
16093         (contributes_to_priority_p): Extract piece of priority () into new
16094         static function.
16095         (priority): Use the function.  Add assertion.
16096         (rank_for_schedule, set_priorities): Add assertion to check that
16097         insn's priority is initialized.
16098         (clear_priorities, calc_priorities): Change signature.  Make it update
16099         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16100         and 'create_block_check_twin ()').
16101         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16102         Add new field 'priority_status'.
16103         (INSN_PRIORITY_STATUS): New macro.
16104         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16105
16106 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16107
16108         * sched-ebb.c (debug_ebb_dependencies): New static function.
16109         (init_ready_list): Use it.
16110
16111         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16112         with changed signature and 'debug_rgn_dependencies ()'.
16113         (debug_rgn_dependencies): New static function.
16114         (init_ready_list): Use it.
16115
16116         * sched-int.h (debug_dependencies): Declare.
16117
16118 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16119
16120         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16121
16122 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16123
16124         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16125
16126 2007-05-03  Jan Hubicka  <jh@suse.cz>
16127
16128         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16129         ((T1)X op (T1)Y), for pointer type in more cases than before.
16130
16131         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16132
16133         * tree-object-size.c (plus_expr_object_size): When operand size is
16134         unknown, return unknown.
16135
16136 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16137
16138         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16139
16140         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16141         options.
16142
16143         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16144
16145 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16146
16147         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16148
16149 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16150
16151         * config/soft-fp/double.h, config/soft-fp/extended.h,
16152         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16153         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16154         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16155         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16156         glibc CVS.
16157
16158 2007-05-03  Ian Lance Taylor  <iant@google.com>
16159
16160         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16161         MASK_PPC_GFXOPT for 8540 or 8548.
16162
16163 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16164
16165         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16166         vect_print_dump_info() to output debug information.
16167
16168 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16169
16170         PR target/31768
16171         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16172         operands of size 2 when operand is not MEM_P.
16173
16174 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16175
16176         PR tree-optimization/30565
16177         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16178
16179 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16180
16181         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16182         (umulsi3_highpart): Use them.
16183         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16184         for final accumulator to D regisster tranfser.
16185
16186 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16187
16188         PR tree-optimization/31699
16189         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16190         wrong code.
16191         (vect_enhance_data_refs_alignment): Compute peel amount using
16192         TYPE_VECTOR_SUBPARTS instead of vf.
16193         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16194
16195 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16196
16197         PR bootstrap/31776
16198         * system.h: Remove inclusion of double-int.h
16199         * tree.h: Include double-int.h
16200         * gengtype.c: Likewise
16201         * cfgloop.h: Likewise
16202         * Makefile.in: Adjust dependencies on double-int.h
16203
16204 2007-05-02  Eric Christopher  <echristo@apple.com>
16205
16206         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16207         -shared to -Zdynamiclib.
16208
16209 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16210
16211         PR c++/31663
16212         * c-common.c (strip_pointer_or_array_types): New function.
16213         * c-common.h (strip_pointer_or_array_types): New function declaration.
16214
16215 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16216
16217         PR tree-optimization/31771
16218         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16219
16220 2007-05-02  Paul Brook  <paul@codesourcery.com>
16221
16222         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16223
16224 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16225
16226         PR middle-end/29715
16227         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16228         transformation.
16229
16230 2007-05-02  Nick Clifton  <nickc@redhat.com>
16231
16232         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16233
16234 2007-05-02  Richard Guenther  <rguenther@suse.de>
16235
16236         PR tree-optimization/31146
16237         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16238         argument, single_use_p.  If we have a single use that is
16239         a conversion to the definition rhs type, propagate that rhs.
16240         (forward_propagate_addr_expr): Pass single_use_p argument
16241         to forward_propagate_addr_expr_1.
16242
16243 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16244
16245         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16246         variable.
16247
16248 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16249
16250         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16251         'AMD Family 10 core'.
16252
16253 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16254
16255         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16256         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16257         with SSE3 instruction set support.
16258         * doc/invoke.texi: Likewise.
16259
16260 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16261
16262         * config/i386/i386.c (override_options): Tuning 32-byte loop
16263         alignment for amdfam10 architecture. Increasing the max loop
16264         alignment to 24 bytes.
16265
16266 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16267
16268         * config/m68k/constraints.md: New.
16269         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16270         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16271         EXTRA_CONSTRAINT): Remove.
16272         * config/m68k/m68k.md: Include constraints.md.
16273         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16274
16275 2007-05-01  Ian Lance Taylor  <iant@google.com>
16276
16277         PR tree-optimization/31739
16278         * tree-vrp.c (vrp_val_is_max): New static function.
16279         (vrp_val_is_min): New static function.
16280         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16281         copying the node.
16282         (set_value_range): Use vrp_val_is_{max,min}.
16283         (extract_range_from_assert): Likewise.
16284         (extract_range_from_binary_expr): Likewise.
16285         (extract_range_from_unary_expr): Likewise.
16286         (dump_value_range, vrp_meet): Likewise.
16287         (vrp_visit_phi_node): Likewise.
16288         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16289
16290 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16291
16292         * config/i386/gmon-sol2.c (size_t): New type.
16293         (intptr_t): Likewise.
16294         (s_textsize): Declare as size_t.
16295         (sbrk): Declare.
16296         (monstartup): Use size_t for sizes.
16297         (_mcount): Save and restore registers.
16298         (internal_mcount): Pass 0 as the first argument to monstartup
16299         in 64-bit mode.
16300         (moncontrol): Convert pointer to appropriately sized integer
16301         before passing to profil.
16302
16303 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16304
16305         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16306         __NO_FPRS__, not just if _SOFT_DOUBLE.
16307         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16308         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16309         also for E500 double.
16310         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16311         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16312         && !TARGET_FPRS).
16313
16314 2007-05-01  Richard Guenther  <rguenther@suse.de>
16315
16316         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16317         is NULL.
16318
16319 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16320
16321         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16322
16323 2007-05-01  Jan Hubicka  <jh@suse.cz>
16324
16325         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16326         invariant.
16327
16328 2007-05-01  Jan Hubicka  <jh@suse.cz>
16329
16330         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16331         (maybe_fold_offset_to_reference): Declare.
16332         * fold-const.c (fold_unary): Do not fold
16333         (type *)&A into &A->field_of_type_and_offset_0
16334         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16335         size is unknown, give up.
16336         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16337         offsets.
16338         (maybe_fold_offset_to_reference): New.
16339         (maybe_fold_stmt_indirect): Use it.
16340         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16341         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16342         field references.
16343         (gimplify_expr): Likewise for plus_expr.
16344
16345 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16346
16347         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16348         bsi_after_labels.  Always insert statements before bsi.
16349         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16350         * predict.c (apply_return_prediction): Check for empty blocks.
16351         * cfgexpand.c (lab_rtx_for_bb): New variable.
16352         (label_rtx_for_bb): Do not create new tree labels.
16353         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16354         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16355         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16356         creating edges.
16357         (label_for_bb): Add field used.
16358         (update_eh_label, main_block_label): Mark the label used.
16359         (cleanup_dead_labels): Remove unused labels.
16360
16361 2007-05-01  Richard Guenther  <rguenther@suse.de>
16362
16363         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16364         if it is not about to be set.
16365         (get_value_range): Do not pre-allocate equiv bitmap.
16366         (update_value_range): No need to clear equiv field.
16367         (add_equivalence): Change prototype to get bitmap pointer.
16368         Allocate bitmap here if it is not already.
16369         (extract_range_from_assert): Do not allocate bitmap here.
16370         Update callers to add_equivalence.
16371         (extract_range_from_ssa_name): Likewise.
16372         (get_vr_for_comparison): New static helper.
16373         (compare_name_with_value): Handle NULL equiv bitmap by
16374         peeling the first iteration of the comparison loop.
16375         Use get_vr_for_comparison.
16376         (compare_names): Handle NULL equiv bitmaps by using fake
16377         ones.  Use get_vr_for_comparison.
16378
16379 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16380
16381         * double-int.c (mpz_set_double_int): Moved from
16382         tree-ssa-loop-niter.c.
16383         (mpz_get_double_int): Likewise; also, add option to wrap
16384         out-of-range integers.
16385         * double-int.h: New prototypes for above.
16386         * tree.c (get_static_type_bounds): Moved from
16387         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16388         TYPE_MAX_VALUE if they exist..
16389         * tree.h: New prototype for above.
16390         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16391         get_type_bounds calls.
16392         (mpz_set_double_int): Move to double-int.c.
16393         (get_type_bounds): Move to tree.c, rename to
16394         get_static_type_bounds.
16395         (mpz_to_double_int): Move to double-int.c, rename to
16396         mpz_get_double_int.
16397
16398 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16399
16400         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16401         DIV0 exception can fall through to a normal return.
16402
16403 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16404
16405         PR middle-end/22156
16406         Temporarily revert:
16407         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16408         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16409         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16410         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16411         initialize align to silence bogus warning.
16412         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16413         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16414         all_no_warning.
16415         (struct sra_walk_fns): Remove use_all parameter from use.
16416         (sra_hash_tree): Handle BIT_FIELD_REFs.
16417         (sra_elt_hash): Don't hash bitfld blocks.
16418         (sra_elt_eq): Skip them in parent compares as well.  Handle
16419         BIT_FIELD_REFs.
16420         (sra_walk_expr): Don't maintain or pass down use_all_p.
16421         (scan_use): Remove use_all parameter.
16422         (scalarize_use): Likewise.  Re-expand assignment to
16423         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16424         output, and re-scalarize after output.  Don't mark anything
16425         for no warning.
16426         (scalarize_ldst): Adjust.
16427         (scalarize_walk_gimple_modify_statement): Likewise.
16428         (build_element_name_1): Handle BIT_FIELD_REFs.
16429         (instantiate_element): Don't warn for any element whose parent
16430         is used as a whole.
16431         (instantiate_missing_elements_1): Return the sra_elt.
16432         (canon_type_for_field): New.
16433         (try_instantiate_multiple_fields): New.
16434         (instantiate_missing_elemnts): Use them.
16435         (mark_no_warning): Removed.
16436         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16437         (REPLDUP, sra_build_elt_assignment): New.
16438         (generate_copy_inout): Use them.
16439         (generate_element_copy): Likewise.  Handle bitfld differences.
16440         (generate_element_zero): Don't recurse for blocks.  Use
16441         sra_build_elt_assignment.
16442         (generate_one_element_int): Take elt instead of var.  Use
16443         sra_build_elt_assignment.
16444         (generate_element_init_1): Adjust.
16445         (scalarize_use, scalarize_copy): Use REPLDUP.
16446         (scalarize_ldst): Move assert before dereference.
16447         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16448
16449 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16450
16451         PR C++/31721
16452         * tree.c (reconstruct_complex_type): Reconstruct a reference
16453         correctly.
16454         Also use the same mode for the pointer as the old pointer type.
16455
16456 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16457
16458         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16459         Fortran compiler.
16460
16461 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16462
16463         PR rtl-optimization/31676
16464         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16465         (df_refs_record): Call it.
16466
16467 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16468
16469         * rtl.def (SS_ABS): New code.
16470         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16471         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16472         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16473         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16474         (bfin_init_builtins): Define them.
16475         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16476         (bfin_expand_builtin): ... and handle the others here.
16477         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16478         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16479         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16480         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16481         operand is only HImode.
16482
16483 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16484
16485         * regclass.c (scan_one_insn): Remove splitting of
16486         two address insns.
16487
16488 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16489             Nigel Stephens  <nigel@mips.com>
16490
16491         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16492
16493 2007-04-28  Jan Hubicka  <jh@suse.cz>
16494
16495         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16496         insn_locators_alloc instead of insn_locators_initialize;
16497         call reset_block_changes.
16498         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16499         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16500         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16501         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16502         * config/score/score.c (th_output_mi_thunk): Likewise.
16503         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16504         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16505         tolerate uninitialized locator info.
16506
16507         Re-apply:
16508         * function.c (init_function_start): Don't init line number info.
16509         (expand_function_end): Update.
16510         (reset_block_changes, record_block_change, finalize_block_changes,
16511         check_block_change, free_block_changes): Kill.
16512         * function.h (reset_block_changes, record_block_change,
16513         finalize_block_changes, check_block_change, free_block_changes):
16514         Remove prototypes.
16515         (struct function): Remove ib_boundaries_block.
16516         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16517         Use curr_insn_locator to initialize locator.
16518         (emit_line_note): Remove.
16519         * cfgexpand.c (expand_gimple_cond_expr): Update.
16520         (construct_exit_block): Likewise.
16521         (tree_expand_cfg): Initialize/finalize locators.
16522         * expr.c (expand_expr_real): Update.
16523         * cfglayout.c (line_locators_locs, line_locators_lines,
16524         file_locators_locs, file_locators_files): Remove.
16525         (set_block_levels): Move to cfgexpand.c.
16526         (insn_locators_initialize): Remove.
16527         (pass_insn_locators_initialize): Remove.
16528         (locations_locators_locs, locations_locators_vals): New static vars.
16529         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16530         Likewise.
16531         (insn_locators_alloc, insn_locators_finalize,
16532         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16533         New functions.
16534         (locator_location): New.
16535         (locator_line, locator_file): Rewrite.
16536         * rtl.h (emit_line_note): Kill.
16537         (insn_locators_alloc, insn_locators_finalize,
16538         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16539         Declare.
16540         * tree-inline.c (initialize_cfun): Do not initialize
16541         ib_boundaries_block.
16542         * passes.c (pass_insn_locators_initialize): Remove.
16543
16544 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16545
16546         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16547         info.  Update last_basic_block correctly.
16548
16549 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16550
16551         PR target/31701
16552         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16553         register itself to hold the offset constant.  Tell flow the use
16554         of r4 and r5 when they are used.
16555
16556 2007-04-27  Richard Guenther  <rguenther@suse.de>
16557
16558         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16559         if we simplified anything.
16560         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16561         warnings until we did a simplification and the stmt was not
16562         marked as TREE_NO_WARNING.
16563
16564 2007-04-27  Mike Stump  <mrs@apple.com>
16565
16566         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16567
16568 2007-04-27  Ian Lance Taylor  <iant@google.com>
16569
16570         PR middle-end/31710
16571         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16572         TYPE_MAX_VALUE exist, convert them to the new type.
16573
16574 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16575
16576         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16577         if it claims to be available.
16578         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16579         edge is redirected.
16580         (perform_tree_ssa_dce): Always free postdominators.
16581
16582 2007-04-27  Richard Henderson  <rth@redhat.com>
16583
16584         * config/alpha/predicates.md (aligned_memory_operand): Mark
16585         as define_special_predicate.
16586         (unaligned_memory_operand, normal_memory_operand): Likewise.
16587         (reg_or_unaligned_mem_operand): Remove.
16588         (any_memory_operand): Match the documentation and check for
16589         non-renumbered pseudos during reload.
16590         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16591         alpha_secondary_reload_class, update to new interface, make static.
16592         Handle CQImode like HImode.  Remove FP subreg check.
16593         (alpha_expand_mov): Use replace_equiv_address.
16594         (alpha_expand_mov_nobwx): Use any_memory_operand.
16595         (TARGET_SECONDARY_RELOAD): New.
16596         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16597         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16598         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16599         * config/alpha/alpha.md: ... here.
16600         (RELOAD12, reloadmode): New.
16601         (movcqi): New.
16602         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16603         Don't handle the aligned case here.
16604         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16605         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16606         reload_inhi_help.  Don't expect a scratch register.
16607         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16608         reload_outhi_help.
16609         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16610
16611 2007-04-27  Richard Guenther  <rguenther@suse.de>
16612
16613         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16614
16615 2007-04-27  Richard Guenther  <rguenther@suse.de>
16616
16617         PR tree-optimization/30965
16618         PR tree-optimization/30978
16619         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16620         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16621         (find_equivalent_equality_comparison): Likewise.
16622         (simplify_cond): Likewise.
16623         (get_prop_source_stmt): New helper.
16624         (get_prop_dest_stmt): Likewise.
16625         (can_propagate_from): Likewise.
16626         (remove_prop_source_from_use): Likewise.
16627         (combine_cond_expr_cond): Likewise.
16628         (forward_propagate_comparison): New function.
16629         (forward_propagate_into_cond): Rewrite to use fold for
16630         tree combining.
16631         (tree_ssa_forward_propagate_single_use_vars): Call
16632         forward_propagate_comparison to propagate comparisons.
16633
16634 2007-04-27  Richard Guenther  <rguenther@suse.de>
16635
16636         PR tree-optimization/31715
16637         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16638         sure to do computation on the offset in an appropriate
16639         signed type.
16640
16641 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16642
16643         * reload.h (elimination_target_reg_p): Declare.
16644         * reload.c (find_reloads): Don't apply the reg_rtx move
16645         optimization if the SET_DEST satisfies elimination_target_reg_p.
16646         * reload1.c (elimination_target_reg_p): New function.
16647         (gen_reload): In the move/add2 fallback, make sure that op0
16648         does not overlap the destination register.
16649
16650 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16651
16652         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16653         transform only GIMPLE_MODIFY_STMTs.
16654         * tree-complex.c (expand_complex_operations_1): Ditto.
16655         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16656         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16657         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16658         branches.
16659         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16660         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16661         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16662         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16663         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16664         slpeel_add_loop_guard): Ditto.
16665         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16666         * lambda-code.c (perfect_nestify): Ditto.
16667         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16668         before the first statement.
16669         * tree-optimize.c (execute_free_datastructures): Fix comments.
16670         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16671         * tree-flow.h (disband_implicit_edges): Declaration removed.
16672         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16673         branches.
16674         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16675         COND_EXPRs without gotos.
16676         (disband_implicit_edges, has_label_p): Removed.
16677         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16678         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16679         branches.
16680         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16681         side effects.
16682         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16683         also for COND_EXPRs.
16684         * cfgexpand.c (label_rtx_for_bb): New function.
16685         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16686         Use label_rtx_for_bb to find the labels.
16687         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16688         last block.  Detect fallthru edges.
16689
16690 2007-04-26  Ian Lance Taylor  <iant@google.com>
16691
16692         PR target/28675
16693         * reload.c (find_reloads_subreg_address): If the address was valid
16694         in the original mode but not in the new mode, reload the whole
16695         address.
16696
16697 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16698
16699         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
16700         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
16701         (cleanup_control_expr_graph): Do not invalidate dominance info.
16702         Record altered blocks.
16703         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
16704         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
16705         cleanup_tree_cfg_bb): New functions.
16706         (remove_forwarder_block): Do not maintain the worklist of blocks.
16707         Record altered blocks.
16708         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
16709         not over whole cfg.
16710         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
16711         delete_unreachable_blocks if dominators are not available.
16712         * tree-inline.c (optimize_inline_calls): Free dominance information
16713         earlier.
16714         * tree-flow.h (remove_edge_and_dominated_blocks,
16715         cfgcleanup_altered_bbs): Altered.
16716         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
16717         blocks.
16718         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
16719         functions.
16720         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
16721         do not invalidate dominators.
16722
16723 2007-04-26  Anatoly Sokolov <aesok@post.ru>
16724
16725         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
16726         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
16727         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16728         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16729
16730 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
16731
16732         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
16733
16734 2007-04-26  Richard Guenther  <rguenther@suse.de>
16735
16736         PR tree-optimization/31703
16737         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
16738         the right type for the target of the bittest.
16739
16740 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16741
16742         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
16743         ix86_sol10_return_in_memory.
16744
16745 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16746
16747         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
16748         variables.
16749
16750 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
16751
16752         PR c++/31598
16753         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
16754
16755         PR tree-optimization/30558
16756         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
16757         clear this_state.prev_try.
16758
16759 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16760             Mark Mitchell  <mark@codesourcery.com>
16761
16762         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
16763         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
16764         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
16765
16766 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16767
16768         PR driver/31107
16769         * doc/invoke.texi (%:print-asm-header): Document.
16770         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
16771         and -ftarget-help.
16772         (static_spec_functions): Add print-asm-header.
16773         (main): Print a banner before the --target-help linker options.
16774         (print_asm_header_spec_function): New function.
16775
16776 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
16777
16778         PR target/31403
16779         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
16780         (movsf_ie): Likewise.
16781
16782 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
16783
16784         * doc/extend.texi ([Type Traits]): Adjust per N2255.
16785
16786 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
16787
16788         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
16789         exception for divide-by-zero.
16790         (__umodsi3, __modsi3): Likewise.
16791
16792 2007-04-25  Dirk Mueller  <dmueller@suse.de>
16793
16794         * c-typeck.c (build_compound_expr): Annotate warning()
16795         call with OPT_Wunused_value.
16796         * tree-ssa.c (warn_uninit): Annotate warning with
16797         OPT_Wunintialized.
16798         * c-common.c (handle_sentinel_attribute): Annotate warning
16799         call with OPT_Wattributes.
16800
16801 2007-04-25  Thiemo Seufer  <ths@mips.com>
16802
16803         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
16804         (mips16): Fix typo.
16805         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
16806         on to the assembler.  Improve handling of -mno-mips16.  Add handling
16807         of -mno-mips3d, -mno-dsp, -mno-dspr2.
16808         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
16809         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
16810         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
16811
16812 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
16813
16814         PR target/31680
16815         * config/i386/winnt.c (i386_pe_file_end): Strip only
16816         USER_LABEL_PREFIX when writing export name.
16817
16818 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
16819
16820         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
16821         sh/elf.h, vx-common.h and vxworks.h.
16822         * config/sh/sh.h: Include config/vxworks-dummy.h.
16823         (SUBTARGET_OVERRIDE_OPTIONS): Define.
16824         (OVERRIDE_OPTIONS): Use it.
16825         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
16826         (vxworks_picreg): New pattern.
16827         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
16828         VXWORKS_OS_CPP_BUILTINS.
16829         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
16830         to their VXWORKS_* equivalents.
16831         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
16832         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
16833         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
16834         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
16835         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
16836         -mrtp/-fPIC multilibs.
16837         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
16838         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
16839         (MULTILIB_OSDIRNAMES): Delete.
16840
16841 2007-04-25  Anatoly Sokolov <aesok@post.ru>
16842
16843         PR target/18989
16844         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
16845
16846 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
16847
16848         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
16849         rounding mode to be specified by the caller.
16850         (real_to_mpfr) Likewise.
16851         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
16852         include new arguments.
16853         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
16854
16855 2007-04-24  Ian Lance Taylor  <iant@google.com>
16856
16857         PR tree-optimization/31605
16858         * tree-vrp.c (set_value_range): Check that min and max are not
16859         both overflow infinities.
16860         (set_value_range_to_value): New static function.
16861         (extract_range_from_binary_expr): Call set_value_range_to_value.
16862         (extract_range_from_cond_expr): Likewise.
16863         (extract_range_from_expr): Likewise.
16864         (extract_range_from_unary_expr): Likewise.  Don't create a range
16865         which overflows on both sides.
16866         (vrp_meet): Check for a useless range.
16867         (vrp_visit_phi_node): If we see a constant which looks like an
16868         overflow infinity, turn off the TREE_OVERFLOW flag.
16869
16870 2007-04-24  Ian Lance Taylor  <iant@google.com>
16871
16872         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
16873
16874 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
16875
16876         PR diagnostic/25923
16877         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
16878         diagnostic message is being built.
16879         * tree-pretty-print.c (dump_generic_node): Only write the
16880         formatted text into BUFFER's stream if we are not building a
16881         diagnostic message.
16882         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
16883         dump_generic_node.
16884         * Makefile.in (toplev.o): Depend on tree-pass.h.
16885
16886 2007-04-24  Ian Lance Taylor  <iant@google.com>
16887
16888         PR tree-optimization/31602
16889         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
16890         conditionals in the copied loop header.
16891         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
16892         warnings if TREE_NO_WARNING is set.
16893         * doc/invoke.texi (Warning Options): Clarify that
16894         -Wstrict-overflow does not warn about loops.
16895
16896 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
16897
16898         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
16899         expand on the comment about _Decimal128 arguments and check the
16900         integer result of the modulus operation; for 64-bit ELF ABI, ensure
16901         that _Decimal128 argument uses even/odd register pair.
16902         (function_arg): Ditto.
16903
16904 2007-04-24  Hui-May Chang <hm.chang@apple.com>
16905
16906         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
16907         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
16908
16909 2007-04-24  Richard Guenther  <rguenther@suse.de>
16910             Olga Golovanevsky  <olga@il.ibm.com>
16911
16912         * fold-const.c (multiple_of_p): Check for bottom
16913         to be zero.
16914
16915 2007-04-24  Richard Henderson  <rth@redhat.com>
16916
16917         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
16918         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
16919         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
16920         looking for non-zero bits shifted out.  Avoid a recursive call
16921         when constructing the scalar.
16922         (__floatundisf): Likewise.
16923
16924 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
16925
16926         * dwarf2out.c (field_byte_offset): Move the existing logic
16927         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
16928         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
16929
16930 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16931
16932         PR target/31641
16933         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
16934         length argument of 0 for memset.
16935         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
16936         unsigned shift instead of the signed variant.
16937
16938 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16939
16940         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
16941         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
16942         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
16943         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16944         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
16945         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
16946         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
16947         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
16948         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
16949         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
16950         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
16951         "mul<mode>3", "div<mode>3"): Insn definitions added.
16952         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
16953         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
16954         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
16955         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
16956         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
16957         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
16958         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
16959         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
16960         TARGET_FLOAT_FORMAT): Macro definitions removed.
16961         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
16962         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
16963         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
16964         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
16965         (s390_gen_rtx_const_DI): Function removed.
16966         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
16967
16968 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
16969
16970         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
16971         over an external ffs function.
16972
16973 2007-04-24  Chao-ying Fu  <fu@mips.com>
16974             Richard Sandiford  <richard@nildram.co.uk>
16975
16976         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
16977         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
16978         (smadd_widen_optab, umadd_widen_optab): Define.
16979         * optabs.c (init_optabs): Initialize smadd_widen_optab and
16980         umadd_widen_optab.
16981         * genopinit.c (optabs): Fill in smadd_widen_optab and
16982         umadd_widen_optab.
16983         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
16984         and umadd_widen_optab to implement multiply-add sequences.
16985         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
16986         (<u>maddsidi4): ...this.  Extend condition to include
16987         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16988         of operand 0 to "ka" and use the three-operand form of madd<u>
16989         for TARGET_DSPR2.
16990         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
16991         to define_expands.
16992         * config/mips/constraints.md (ka): New register constraint.
16993
16994 2007-04-24  Jan Hubicka  <j@suse.cz>
16995
16996         Revert:
16997
16998         2007-04-23  Jan Hubicka  <jh@suse.cz>
16999         * function.c (init_function_start): Don't init line number info.
17000         (expand_function_end): Update.
17001         (reset_block_changes, record_block_change, finalize_block_changes,
17002         check_block_change, free_block_changes): Kill.
17003         * function.h (reset_block_changes, record_block_change,
17004         finalize_block_changes, check_block_change, free_block_changes):
17005         Remove prototypes.
17006         (struct function): Remove ib_boundaries_block.
17007         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17008         Use curr_insn_locator to initialize locator.
17009         (emit_line_note): Remove.
17010         * cfgexpand.c (expand_gimple_cond_expr): Update.
17011         (construct_exit_block): Likewise.
17012         (tree_expand_cfg): Initialize/finalize locators.
17013         * expr.c (expand_expr_real): Update.
17014         * cfglayout.c (line_locators_locs, line_locators_lines,
17015         file_locators_locs, file_locators_files): Remove.
17016         (set_block_levels): Move to cfgexpand.c.
17017         (insn_locators_initialize): Remove.
17018         (pass_insn_locators_initialize): Remove.
17019         (locations_locators_locs, locations_locators_vals): New static vars.
17020         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17021         Likewise.
17022         (insn_locators_alloc, insn_locators_finalize,
17023         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17024         New functions.
17025         (locator_location): New.
17026         (locator_line, locator_file): Rewrite.
17027         * rtl.h (emit_line_note): Kill.
17028         (insn_locators_alloc, insn_locators_finalize,
17029         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17030         Declare.
17031         * tree-inline.c (initialize_cfun): Do not initialize
17032         ib_boundaries_block.
17033         * passes.c (pass_insn_locators_initialize): Remove.
17034
17035 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17036
17037         * doc/invoke.texi: Removed leading '-' from option index entries.
17038
17039 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17040
17041         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17042         Use phi_nodes_ptr.
17043         (create_phi_node): Use set_phi_nodes.
17044         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17045         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17046         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17047         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17048         (bsi_start, bsi_last): Use bb_stmt_list.
17049         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17050         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17051         Traverse the statements using tsi iterator.
17052         * basic-block.h (struct basic_block_def): Fields stmt_list
17053         and phi_nodes moved to ...
17054         (struct tree_bb_info): ... new structure.
17055         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17056         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17057         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17058         (tree_verify_flow_info): Verify that il.tree is not set for
17059         entry and exit block.
17060         (tree_split_block): Use set_bb_stmt_list.
17061
17062 2007-04-23  Mike Stump  <mrs@apple.com>
17063
17064         * config/i386/i386.c (ix86_tune_features
17065         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17066         nocona and core2.
17067
17068 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17069
17070         * config/i386/i386.md (prefix_extra): New attribute.
17071         (length): Add prefix_extra.
17072
17073         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17074         (sse2_movntv2di): Likewise.
17075         (sse2_cvtps2dq): Likewise.
17076         (sse2_cvtpd2pi): Likewise.
17077         (sse2_cvttpd2pi): Likewise.
17078         (*sse2_cvtpd2ps): Likewise.
17079         (*add<mode>3): Likewise.
17080         (sse2_ssadd<mode>3): Likewise.
17081         (sse2_usadd<mode>3): Likewise.
17082         (*sub<mode>3): Likewise.
17083         (sse2_sssub<mode>3): Likewise.
17084         (sse2_ussub<mode>3): Likewise.
17085         (*mulv8hi3): Likewise.
17086         (*smulv8hi3_highpart): Likewise.
17087         (*umulv8hi3_highpart): Likewise.
17088         (sse2_umulv2siv2di3): Likewise.
17089         (sse2_pmaddwd): Likewise.
17090         (ashr<mode>3): Likewise.
17091         (lshr<mode>3): Likewise.
17092         (ashl<mode>3): Likewise.
17093         (sse2_ashlti3): Likewise.
17094         (sse2_lshrti3): Likewise.
17095         (*umaxv16qi3): Likewise.
17096         (*smaxv8hi3): Likewise.
17097         (*uminv16qi3): Likewise.
17098         (*sminv8hi3): Likewise.
17099         (sse2_eq<mode>3): Likewise.
17100         (sse2_gt<mode>3): Likewise.
17101         (*and<mode>3): Likewise.
17102         (sse2_nand<mode>3): Likewise.
17103         (*ior<mode>3): Likewise.
17104         (*xor<mode>3): Likewise.
17105         (sse2_packsswb): Likewise.
17106         (sse2_packssdw): Likewise.
17107         (sse2_packuswb): Likewise.
17108         (sse2_punpckhbw): Likewise.
17109         (sse2_punpcklbw): Likewise.
17110         (sse2_punpckhwd): Likewise.
17111         (sse2_punpcklwd): Likewise.
17112         (sse2_punpckhdq): Likewise.
17113         (sse2_punpckldq): Likewise.
17114         (sse2_punpckhqdq): Likewise.
17115         (sse2_punpcklqdq): Likewise.
17116         (*sse2_pinsrw): Likewise.
17117         (*sse2_pextrw): Likewise.
17118         (sse2_pshufd_1): Likewise.
17119         (sse2_uavgv16qi3): Likewise.
17120         (sse2_uavgv8hi3): Likewise.
17121         (sse2_psadbw): Likewise.
17122         (sse2_pmovmskb): Likewise.
17123         (*sse2_maskmovdqu): Likewise.
17124         (*sse2_maskmovdqu_rex64): Likewise.
17125         (sse4a_extrqi): Likewise.
17126         (sse4a_extrq): Likewise.
17127         (sse3_lddqu): Set prefix_rep.
17128         (sse3_addsubv4sf3): Likewise.
17129         (sse3_haddv4sf3): Likewise.
17130         (sse3_hsubv4sf3): Likewise.
17131         (sse_cvtss2si): Likewise.
17132         (sse_cvtss2si_2): Likewise.
17133         (sse_cvtss2siq): Likewise.
17134         (sse_cvtss2siq_2): Likewise.
17135         (sse_cvttss2si): Likewise.
17136         (sse_cvttss2siq): Likewise.
17137         (sse2_cvttps2dq): Likewise.
17138         (sse3_movshdup): Likewise.
17139         (sse3_movsldup): Likewise.
17140         (sse2_cvtsd2si): Likewise.
17141         (sse2_cvtsd2si_2): Likewise.
17142         (sse2_cvtsd2siq): Likewise.
17143         (sse2_cvtsd2siq_2): Likewise.
17144         (sse2_cvttsd2si): Likewise.
17145         (sse2_cvttsd2siq): Likewise.
17146         (*sse2_cvtpd2dq): Likewise.
17147         (*sse2_cvttpd2dq): Likewise.
17148         (sse2_pshuflw_1): Likewise.
17149         (sse2_pshufhw_1): Likewise.
17150         (sse4a_insertqi): Likewise.
17151         (sse4a_insertq): Likewise.
17152         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17153         (ssse3_phadddv4si3): Likewise.
17154         (ssse3_phaddswv8hi3): Likewise.
17155         (ssse3_phsubwv8hi3): Likewise.
17156         (ssse3_phsubdv4si3): Likewise.
17157         (ssse3_phsubswv8hi3): Likewise.
17158         (ssse3_pmaddubswv8hi3): Likewise.
17159         (ssse3_pmulhrswv8hi3): Likewise.
17160         (ssse3_pshufbv16qi3): Likewise.
17161         (ssse3_psign<mode>3): Likewise.
17162         (ssse3_palignrti): Likewise.
17163         (abs<mode>2): Likewise.
17164         (ssse3_phaddwv4hi3): Set prefix_extra.
17165         (ssse3_phadddv2si3): Likewise.
17166         (ssse3_phaddswv4hi3): Likewise.
17167         (ssse3_phsubwv4hi3): Likewise.
17168         (ssse3_phsubdv2si3): Likewise.
17169         (ssse3_phsubswv4hi3): Likewise.
17170         (ssse3_pmaddubswv4hi3): Likewise.
17171         (ssse3_pmulhrswv4hi3): Likewise.
17172         (ssse3_pshufbv8qi3): Likewise.
17173         (ssse3_psign<mode>3): Likewise.
17174         (ssse3_palignrdi): Likewise.
17175         (abs<mode>2): Likewise.
17176         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17177         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17178         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17179
17180 2007-04-23  Nick Clifton  <nickc@redhat.com>
17181
17182         * params.def: Fix formatting of emacs local variables.
17183
17184 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17185
17186         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17187         move if inter-unit move isn't allowed.
17188         Don't split moving the first element of V2DI to DI to inter-unit
17189         move if inter-unit move isn't allowed.
17190
17191 2007-04-23  Richard Guenther  <rguenther@suse.de>
17192
17193         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17194         and CDI_POST_DOMINATORS separately.
17195
17196 2007-04-23  Nick Clifton  <nickc@redhat.com>
17197
17198         * c.opt (Wformat-contains-nul): Add warning attribute.
17199
17200 2007-04-23  Jan Hubicka  <jh@suse.cz>
17201
17202         * function.c (init_function_start): Don't init line number info.
17203         (expand_function_end): Update.
17204         (reset_block_changes, record_block_change, finalize_block_changes,
17205         check_block_change, free_block_changes): Kill.
17206         * function.h (reset_block_changes, record_block_change,
17207         finalize_block_changes, check_block_change, free_block_changes):
17208         Remove prototypes.
17209         (struct function): Remove ib_boundaries_block.
17210         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17211         Use curr_insn_locator to initialize locator.
17212         (emit_line_note): Remove.
17213         * cfgexpand.c (expand_gimple_cond_expr): Update.
17214         (construct_exit_block): Likewise.
17215         (tree_expand_cfg): Initialize/finalize locators.
17216         * expr.c (expand_expr_real): Update.
17217         * cfglayout.c (line_locators_locs, line_locators_lines,
17218         file_locators_locs, file_locators_files): Remove.
17219         (set_block_levels): Move to cfgexpand.c.
17220         (insn_locators_initialize): Remove.
17221         (pass_insn_locators_initialize): Remove.
17222         (locations_locators_locs, locations_locators_vals): New static vars.
17223         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17224         Likewise.
17225         (insn_locators_alloc, insn_locators_finalize,
17226         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17227         New functions.
17228         (locator_location): New.
17229         (locator_line, locator_file): Rewrite.
17230         * rtl.h (emit_line_note): Kill.
17231         (insn_locators_alloc, insn_locators_finalize,
17232         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17233         Declare.
17234         * tree-inline.c (initialize_cfun): Do not initialize
17235         ib_boundaries_block.
17236         * passes.c (pass_insn_locators_initialize): Remove.
17237
17238 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17239
17240         PR middle-end/31448
17241         * expr.c (reduce_to_bit_field_precision): Handle
17242         CONST_INT rtx's.
17243
17244 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17245
17246         PR tree-optimization/24659
17247         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17248         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17249         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17250         * genopinit.c (optabs): Rename vec_pack_mod_optab
17251         to vec_pack_trunc_optab.
17252         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17253         early for scalar floating point operands for NOP_EXPR.
17254         (vectorizable_type_promotion): Ditto.
17255         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17256         vec_pack_trunc_optab.
17257         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17258
17259         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17260         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17261         Rename from VEC_PACK_MOD_EXPR.
17262         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17263         * expr.c (expand_expr_real_1): Ditto.
17264         * tree-inline.c (estimate_num_insns_1): Ditto.
17265         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17266
17267         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17268         (vec_unpacks_lo_v4sf): Ditto.
17269         (vec_pack_trunc_v2df): Ditto.
17270         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17271         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17272         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17273
17274         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17275         vec_pack_mod_v8hi.
17276         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17277
17278         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17279         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17280         packing of floating point operands.
17281         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17282         represent unpacking of floating point operands.
17283         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17284         [vec_unpacks_hi]: Ditto.
17285         [vec_unpacks_lo]: Ditto.
17286
17287 2007-04-22  Jan Hubicka  <jh@suse.cz>
17288
17289         * final.c (rest_of_handle_final): Call
17290         targetm.asm_out.constructor/targetm.asm_out.destructor
17291         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17292         proper priority via decl_*_priority_insert.
17293         * c-common.c (c_expand_body): Likewise.
17294
17295 2007-04-22  Richard Guenther  <rguenther@suse.de>
17296
17297         PR tree-optimization/29789
17298         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17299         (rewrite_reciprocal): New helper split out from
17300         determine_invariantness_stmt.
17301         (rewrite_bittest): Likewise.
17302         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17303         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17304         is not.
17305
17306 2007-04-22  Revital Eres  <eres@il.ibm.com>
17307
17308         * loop-unroll.c (var_to_expand): New field to support also
17309         insns of the form x = something + x.
17310         (analyze_insn_to_expand_var): Use it.
17311         (expand_var_during_unrolling): Likewise.
17312
17313 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17314
17315         * predict.c: Include pointer-set.h.
17316         (bb_predictions): New variable.
17317         (tree_predicted_by_p, tree_predict_edge,
17318         remove_predictions_associated_with_edge): Use bb_predictions map
17319         instead of bb->predictions.
17320         (clear_bb_predictions, assert_is_empty): New functions.
17321         (combine_predictions_for_bb): Use bb_predictions map.  Call
17322         clear_bb_predictions.
17323         (tree_estimate_probability): Create and free bb_predictions map.
17324         * Makefile.in (predict.o): Add pointer-set.h dependency.
17325         * basic-block.h (struct basic_block_def): Remove predictions
17326         field.
17327         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17328
17329 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17330
17331         PR target/31480
17332         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17333         is null.
17334
17335 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17336
17337         * timevar.c (timevar_print): Change reference of --disable-checking to
17338         --enable-checking=release.  Also warn if assert checking is disabled.
17339
17340 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17341
17342         PR C/30265
17343         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17344         decl as addressable if the compound literal was marked as
17345         addressable.
17346         Mark the decl as a gimple register if it is a complex or
17347         vector decl and does not live in memory.
17348
17349 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17350
17351         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17352         (GENERIC_NEXT): New function macro.
17353         (PHI_CHAIN): Use phi_node's new chain variable.
17354         (tree_phi_node): Change tree_common to tree_base
17355         and add the chain field.
17356         * tree-phinodes.c (make_phi_node): Don't set
17357         TREE_TYPE on the new node.
17358         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17359         instead of checking GIMPLE_TUPLE_P in chain_next.
17360         * tree-vect-transform.c
17361         (get_initial_def_for_induction): Look at
17362         PHI_RESULT_TREE for the type of the phi node.
17363         (update_vuses_to_preheader): Use PHI_CHAIN
17364         instead of TREE_CHAIN on the phi node.
17365         * tree-ssa-structalias.c (compute_points_to_sets):
17366         Likewise.
17367         (ipa_pta_execute): Likewise.
17368
17369 2007-04-21  Richard Guenther  <rguenther@suse.de>
17370
17371         PR middle-end/31136
17372         * fold-const.c (fold_unary): Call fold_convert_const on the
17373         original tree.
17374
17375 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17376
17377         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17378         (store_killed_in_pat): New.
17379
17380 2007-04-20  Richard Henderson  <rth@redhat.com>
17381
17382         PR target/31628
17383         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17384         TREE_LIST with a void_type_node value, not void_list_node exactly.
17385
17386 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17387
17388         * doc/standards.texi: Re-arrange into language-specific
17389         subsections. Add a C++ section, documenting which standards we
17390         support.
17391
17392 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17393
17394         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17395         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17396
17397 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17398
17399         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17400         ecrti.o and crtbegin.o.
17401         (LIB_DEFAULT_SPEC): Include -lc.
17402         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17403
17404 2007-04-20  Richard Henderson  <rth@redhat.com>
17405
17406         PR target/28623
17407         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17408         argument; update all callers.
17409         (get_unaligned_offset): New.
17410         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17411         get_unaligned_address, just pass on the address directly.
17412         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17413         the subreg in the helper patterns.
17414         (unaligned_extendqidi_le): Use get_unaligned_offset.
17415         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17416         (unaligned_extendhidi_be): Likewise.
17417         (unaligned_extendhidi): Tidy.
17418         * config/alpha/alpha-protos.h: Update.
17419
17420 2007-04-20  Richard Henderson  <rth@redhat.com>
17421
17422         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17423         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17424         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17425         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17426         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17427         (CPP_SPEC): Don't include %(cpp_subtarget).
17428         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17429         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17430         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17431
17432 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17433
17434         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17435         for __builtin_ia32_cmpordss.
17436
17437         PR tree-optimization/31632
17438         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17439         and arg1 for optimizations of comparison against min/max values.
17440         Fold arg0 to arg1's type for optimizations of comparison against
17441         min+1 and max-1 values.
17442
17443 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17444
17445         * reload.c (combine_reloads): When trying to use a dying register,
17446         check whether it's uninitialized and don't use if so.
17447
17448 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17449
17450         * fold-const.c: Remove prototypes for native_encode_expr and
17451         native_interpret_expr.
17452         (native_encode_expr): Make non-static.
17453         (native_interpret_expr): Likewise.
17454         * tree.h: Add prototypes for the above.
17455
17456 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17457
17458         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17459         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17460         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17461         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17462         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17463         Add length attributes.
17464
17465 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17466
17467         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17468         not that it is 1.
17469
17470         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17471         __STDC_WANT_DEC_FP__.
17472
17473 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17474
17475         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17476         for long double compatibility.
17477         * configure: Regenerate.
17478
17479 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17480
17481         PR rtl-optimization/29841
17482         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17483         trap instructions.
17484         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17485         that may cause control flow transfer from being moved.
17486
17487 2007-04-18  Jan Hubicka  <jh@suse.cz>
17488
17489         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17490         types.
17491
17492 2007-04-18  Eric Christopher  <echristo@apple.com>
17493
17494         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17495         only. Update operands.
17496         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17497         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17498         link register to pic register.
17499
17500 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17501
17502         PR diagnostic/31227
17503         * tree-vrp.c (search_for_addr_array): New.
17504         (check_array_bounds): Suppress warning about
17505         address taken of array refs if its not de-referenced.
17506
17507 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17508
17509         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17510         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17511
17512         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17513         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17514         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17515
17516         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17517         dump print.
17518         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17519         print message.
17520         (vect_analyze_scalar_cycles): Fix indentation.
17521         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17522         (vect_mark_relevant): Include phis in relevance analysis.
17523
17524         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17525
17526 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17527
17528         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17529         output_operand_lossage().
17530
17531 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17532
17533         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17534         the unused code for reduction without adjust-in-epilog to simplify the
17535         function.
17536
17537 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17538
17539         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17540         (S390_TDC_NEGATIVE_ZERO): New constant.
17541         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17542         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17543         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17544         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17545         (S390_TDC_POSITIVE_INFINITY): New constant.
17546         (S390_TDC_NEGATIVE_INFINITY): New constant.
17547         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17548         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17549         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17550         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17551         (S390_TDC_INFINITY): New constant.
17552         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17553         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17554         optimization for UNSPEC_CCZ_TO_INT.
17555         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17556         ("*ccz_to_int"): New insn.
17557         ("isinf<mode>2"): New insn.
17558         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17559         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17560         (UNSPEC_CCZ_TO_INT): New constant.
17561
17562 2007-04-18  Richard Guenther  <rguenther@suse.de>
17563
17564         PR tree-optimization/19431
17565         PR tree-optimization/21463
17566         * tree-pass.h (pass_phiprop): Declare.
17567         * passes.c (init_optimization_passes): New phiprop pass.
17568         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17569         (phivn_valid_p): New helper function.
17570         (phiprop_insert_phi): Likewise.
17571         (propagate_with_phi): Likewise.
17572         (tree_ssa_phiprop): New propagator propagating loads
17573         through phi nodes if profitable.
17574
17575 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17576
17577         * tree-vect-analyze.c (process_use): New function.
17578         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17579         Check phis in all bbs.
17580         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17581         assert.
17582
17583 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17584
17585         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17586         we use REG_EQUAL.
17587
17588 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17589
17590         PR target/30483
17591         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17592         error().
17593
17594 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17595
17596         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17597         on "0".
17598         (sse_vmmulv4sf3): Likewise.
17599         (sse2_vmaddv2df3): Likewise.
17600         (sse2_vmmulv2df3): Likewise.
17601
17602 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17603
17604         PR rtl-optimization/31360
17605         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17606         (target_reg_cost): New.
17607         (init_set_costs): Initialize target_reg_cost.  Add comments
17608         regarding the rationale of the costs.
17609         (global_cost_for_size): Renamed to...
17610         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17611         of register pressure.
17612         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17613         estimate_reg_pressure_cost.  Add number of ivs.
17614         (determine_set_costs): Dump target_reg_cost.
17615         * loop-invariant.c (gain_for_invariant): Use
17616         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17617         (best_gain_for_invariant, find_invariants_to_move): Remove
17618         n_inv_uses.
17619         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17620         (target_reg_cost): Declare.
17621         (global_cost_for_size): Declaration removed.
17622         (estimate_reg_pressure_cost): Declare.
17623
17624 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17625
17626         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17627         regnos into even/odd register pairs.
17628         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17629         TDmode similar to the other floating point modes.
17630         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17631         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17632         define_expand's.
17633         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17634         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17635         (movdd_hardfloat64): Use TARGET_MFPGPR.
17636
17637 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17638
17639         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17640
17641         Revert
17642         2005-01-05  Richard Henderson  <rth@redhat.com>
17643         PR rtl-opt/10692
17644         * reload1.c (do_input_reload): Restrict the optimization deleteing
17645         a previous output reload to RELOAD_FOR_INPUT.
17646
17647 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17648
17649         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17650         induc_vec_info_type.
17651         (vectorizable_induction): New function declaration.
17652         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17653         check if already vectorized.  Find first place in BB where new stmts
17654         can be inserted.  Takes only one argument.
17655         (vectorizable_induction): New function.
17656         (vect_transform_stmt): Add case for induc_vec_info_type to call
17657         vectorizable_induction.
17658         (vect_transform_loop): Consider phis for vectorization.
17659         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17660         condition.
17661         (analyze_operations): Call vectorizable_induction when analyzing phis.
17662         Fix comment.
17663         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17664         (vect_mark_relevant): Include phis in relevance analysis.
17665         (vect_mark_stmts_to_be_vectorize): Likewise.
17666         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17667
17668 2007-04-16  Lawrence Crowl  <crowl@google.com>
17669
17670         * doc/invoke.texi (Debugging Options): Add documentation for the
17671         -femit-struct-debug options -femit-struct-debug-baseonly,
17672         -femit-struct-debug-reduced, and
17673         -femit-struct-debug-detailed[=...].
17674
17675         * c-opts.c (c_common_handle_option): Add
17676         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17677         and OPT_femit_struct_debug_detailed_.
17678         * c.opt: Add specifications for
17679         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17680         and -femit-struct-debug-detailed[=...].
17681         * opts.c (set_struct_debug_option): Parse the
17682         -femit-struct-debug-... options.
17683         * opts.c (matches_main_base, main_input_basename,
17684         main_input_baselength, base_of_path, matches_main_base): Add
17685         variables and functions to compare header base name to compilation
17686         unit base name.
17687         * opts.c (should_emit_struct_debug): Add to determine to emit a
17688         structure based on the option.
17689         (dump_struct_debug) Also disabled function to debug this
17690         function.
17691         * opts.c (handle_options): Save the base name of the
17692         compilation unit.
17693
17694         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17695         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17696         This hook indicates if a type is generic.  Set it by default
17697         to "never generic".
17698         * langhooks.h (struct lang_hooks_for_types): Add a new hook
17699         to determine if a struct type is generic or not.
17700         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
17701         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
17702         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
17703         with live C++ hook.
17704
17705         * flags.h (enum debug_info_usage): Add an enumeration to describe
17706         a program's use of a structure type.
17707         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
17708         to indicate the program's usage of the type.  Filter structs based
17709         on the -femit-struct-debug-... specification.
17710         (gen_type_die): Split into two routines, gen_type_die and
17711         gen_type_die_with_usage.  gen_type_die is now a wrapper
17712         that assumes direct usage.
17713         (gen_type_die_with_usage): Replace calls to gen_type_die
17714         with gen_type_die_with_usage adding the program usage of
17715         the referenced type.
17716         (dwarf2out_imported_module_or_decl): Suppress struct debug
17717         information using should_emit_struct_debug when appropriate.
17718
17719 2007-04-16  Ian Lance Taylor  <iant@google.com>
17720
17721         PR tree-optimization/31522
17722         * tree-vrp.c (vr_phi_edge_counts): New static variable.
17723         (vrp_initialize): Allocate vr_phi_edge_counts.
17724         (vrp_visit_phi_node): Don't push to infinity if we saw a new
17725         executable edge.  Drop test for all constants.
17726         (vrp_finalize): Free vrp_phi_edge_counts.
17727
17728         * doc/cpp.texi (Common Predefined Macros): Clarify description of
17729         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
17730
17731         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
17732         predecessors at head rather than tail.
17733
17734 2007-04-16  Matthias Klose  <doko@debian.org>
17735
17736         * config/alpha/linux.h (CPP_SPEC): Define.
17737         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
17738
17739 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
17740
17741         * function.h: Remove sequence_stack extern declaration.
17742
17743 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17744
17745         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
17746         TARGET_FIDOA.
17747         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
17748         defined.
17749
17750 2007-04-16  Anatoly Sokolov <aesok@post.ru>
17751
17752         * config/avr/avr.c (avr_arch_types): Rearranging  array.
17753         (enum avr_arch): Add.
17754         (avr_mcu_types): Use avr_arch enumeration constants instead of
17755         numbers.
17756         * config/avr/avr.h (LINK_SPEC): Simplify.
17757
17758 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17759
17760         * config/m68k/m68k.c (m68k_libcall_value,
17761         m68k_function_value): Use macros for register names more.
17762
17763         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
17764         instead.
17765         (M68K_REGNAME): Use A6_REG.
17766         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
17767
17768 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
17769
17770         PR middle-end/28071
17771         * sched-int.h (struct deps): Split field 'pending_lists_length' into
17772         'pending_read_list_length' and 'pending_write_list_length'.  Update
17773         comment.
17774         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
17775         to handle two length counters instead of one.  Update all uses.
17776         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
17777         two length counters instead of one.
17778         * sched-rgn.c (propagate_deps): Update to handle two length counters
17779         instead of one.
17780
17781 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
17782
17783         PR target/31582
17784         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
17785         copy of source, pass it to ix86_expand_vector_set and return
17786         it as target.
17787
17788 2007-04-16  David Ung  <davidu@mips.com>
17789             Joseph Myers  <joseph@codesourcery.com>
17790
17791         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
17792         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
17793         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
17794         Add 74K processor information.
17795         * config/mips/mips.md: Include 74k.md.
17796         (cpu): Add 74kc,74kf,74kx.
17797         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
17798         * config/mips/74k.md: New.
17799         * doc/invoke.texi (MIPS Options): Document 74K support.
17800
17801 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
17802
17803         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
17804         vectorizable_* functions.
17805         * tree-vect-transform.c (vectorizable_call): Add check for
17806         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
17807         (vectorizable_store): likewise.
17808         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
17809         Add comments.
17810         (vectorizable_operation, vectorizable_type_demotion): Likewise.
17811         (vectorizable_type_promotion, vectorizable_load): Likewise.
17812         (vectorizable_live_operation, vectorizable_condition): Likewise.
17813         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
17814         STMT_VINFO_LIVE_P.
17815         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
17816
17817 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17818
17819         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
17820         register numbers more.
17821         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
17822         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
17823         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
17824         FUNCTION_VALUE_REGNO_P): Likewise.
17825         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
17826         STATIC_CHAIN_REGNUM): Likewise.
17827         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
17828         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
17829         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
17830         * config/m68k/m68k.md (FP_REG): New.
17831
17832 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17833
17834         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
17835         alignment on fido.
17836
17837 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17838
17839         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
17840         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
17841         comment typos.
17842
17843 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
17844
17845         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
17846         cold loops.
17847
17848 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17849
17850         PR c/31520
17851         * c-decl.c (finish_decl): Grab the type of the decl after the call
17852         to store_init_value.
17853
17854 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
17855
17856         * common.opt (fforward-propagate): Fix "Optimization" annotation.
17857
17858 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
17859
17860         PR c++/25874
17861         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
17862         dominators, post dominators and cleanup cfg before returning.
17863
17864 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
17865
17866         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
17867         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
17868
17869 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
17870
17871         * config.gcc: Recognize fido.
17872         * config/m68k/m68k-devices.def (fidoa): New.
17873         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
17874         __mfido__.
17875         (FL_FIDOA, TARGET_FIDOA): New.
17876         * config/m68k/m68k.opt (mfidoa): New.
17877
17878 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17879
17880         PR middle-end/31322
17881         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
17882         when a personality function is used.
17883
17884 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
17885
17886         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
17887
17888 2007-04-13  Mike Stump  <mrs@apple.com>
17889
17890         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
17891         we can...
17892         * config/darwin.opt (fapple-kext): Make C++ only.
17893         * config/darwin.c (darwin_override_options): Remove code to ensure
17894         -fapple-kext is given for C++ only.
17895
17896 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
17897
17898         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
17899         * config/mips/mips.c (override_options): Call
17900         SUBTARGET_OVERRIDE_OPTIONS, if defined.
17901
17902 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17903
17904         * config/i386/i386.opt (msvr3-shlib): Removed.
17905
17906         * doc/invoke.texi: Remove -msvr3-shlib.
17907
17908 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17909
17910         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
17911         with "popcnt" instruction.
17912
17913 2007-04-13  Richard Guenther  <rguenther@suse.de>
17914
17915         PR tree-optimization/21258
17916         * tree-vrp.c (compare_case_labels): New helper.
17917         (find_switch_asserts): New function.
17918         (find_assert_locations): Call it for SWITCH_EXPRs.
17919
17920 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
17921
17922         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
17923         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
17924         check is now implied in X87_FLOAT_MODE_P.
17925         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
17926         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
17927         (fix_trunc<mode>_i386_fisttp): Ditto.
17928         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
17929         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
17930         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
17931         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
17932         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
17933         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
17934         (unnamed_splitters): Ditto.
17935         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
17936         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
17937         FIRST_SSE_REG for local functions when SSE math is enabled or
17938         for functions with sseregparm attribute.
17939         (standard_80387_constant_p): Return -1 if mode is not
17940         X87_FLOAT_MODE_P.
17941         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
17942         (ix86_expand_compare): Ditto.
17943         (ix86_expand_carry_flag_compare): Ditto.
17944         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
17945         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
17946         DECIMAL_FLOAT_MODE_P.
17947         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
17948         of SCALAR_FLOAT_MODE_P.
17949         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
17950         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
17951         checks before FLOAT_MODE_P.
17952         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
17953         before FLOAT_MODE_P.
17954         [DIV]: Ditto.
17955         [NEG]: Ditto.
17956         [ABS]: Ditto.
17957         [SQRT]: Ditto.
17958         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
17959
17960 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
17961             Charles Wilson  <libtool@cwilson.fastmail.fm>
17962
17963         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
17964         (libgcc.mvars): Don't depend on them.
17965         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
17966         * exec-tool.in: New.
17967
17968 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
17969
17970         * doc/invoke.text (--help): Document --help=common.
17971
17972 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
17973
17974         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
17975
17976 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17977
17978         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
17979         * genemit.c (main): Emit #include "integrate.h".
17980         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
17981         (LOADGP_RTP): New mips_loadgp_style.
17982         * config/mips/mips.h: Include config/vxworks-dummy.h.
17983         (TARGET_RTP_PIC): New macro.
17984         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
17985         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
17986         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
17987         for TARGET_RTP_PIC.
17988         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
17989         -mvxworks-pic when using -mrtp and a PIC option.
17990         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
17991         for RTP PIC.
17992         (mips_symbolic_constant_p, mips_symbolic_address_p)
17993         (mips_symbol_insns): Handle SYMBOL_HALF.
17994         (override_options): Warn about -G and -mrtp being used together.
17995         Initialize mips_lo_relocs[SYMBOL_HALF].
17996         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
17997         (mips_emit_loadgp): Handle LOADGP_RTP.
17998         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
17999         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
18000         (tablejump): Handle function-relative case table entries if
18001         TARGET_RTP_PIC.
18002         * config/mips/predicates.md (symbol_ref_operand): New predicate.
18003
18004 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18005
18006         * config/mips/mips.md (load_call<mode>): Allow any general register.
18007         destination.
18008         (sibcall_value_internal, sibcall_value_multiple_internal)
18009         (call_value_internal, call_value_split, call_value_multiple_internal)
18010         (call_value_multiple_split): Remove constraints from operand 0.
18011
18012 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18013
18014         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
18015         rather than loadgp_noshared.
18016         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18017         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18018         gen_loadgp.
18019         * config/mips/mips.md (loadgp): Rename to...
18020         (loadgp_newabi): ...this.
18021         (loadgp_noshared): Rename to...
18022         (loadgp_absolute): ...this.
18023
18024 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18025
18026         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18027         false for locally-binding symbols.
18028         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18029
18030 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18031
18032         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18033         (SYMBOL_GOT_PAGE_OFST): ...this.
18034         (SYMBOL_GOT_GLOBAL): Rename to...
18035         (SYMBOL_GOT_DISP): ...this.
18036         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18037         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18038         * config/mips/mips.c (mips_global_symbol_p): New function.
18039         (mips_symbol_binds_local_p): Likewise.
18040         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18041         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18042         mips_global_symbol_p and mips_symbol_binds_local_p.
18043         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18044         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18045         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18046         SYMBOL_GOTOFF_DISP.
18047         (mips_ok_for_lazy_binding_p): New function.
18048         (mips_load_call_address, mips_expand_call): Use it.
18049         (mips_dangerous_for_la25_p): Likewise.
18050         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18051         (*got_disp<mode>): Use got_disp_operand instead of
18052         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18053         SYMBOL_GOTOFF_GLOBAL.
18054         (*got_page<mode>): Use got_page_ofst_operand instead of
18055         local_got_operand.
18056         * config/mips/predicates.md (const_call_insn_operand): Use
18057         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18058         (global_got_operand): Rename to...
18059         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18060         SYMBOL_GOT_GLOBAL.
18061         (local_got_operand): Rename to...
18062         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18063         of SYMBOL_GOT_LOCAL.
18064
18065 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18066
18067         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18068         TARGET_CALL_CLOBBERED_GP.
18069         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18070         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18071         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18072         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18073         of TARGET_ABICALLS && !TARGET_NEWABI.
18074         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18075         * config/mips/mips.c (mips_load_call_address): Check
18076         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18077         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18078         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18079         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18080         TARGET_ABICALLS && TARGET_NEWABI.
18081         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18082         TARGET_ABICALLS.
18083         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18084         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18085         TARGET_ABICALLS && TARGET_NEWABI.
18086         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18087         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18088         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18089         whether indirect calls must use $25.
18090         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18091         TARGET_ABICALLS.
18092         * config/mips/mips.md (jal_macro): Check flag_pic and
18093         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18094         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18095         instead of TARGET_ABICALLS.
18096         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18097         TARGET_ABICALLS && TARGET_OLDABI.
18098         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18099         (sibcall): In the comment above the define_insn, mention
18100         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18101         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18102         instead of TARGET_ABICALLS.
18103
18104 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18105
18106         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18107         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18108         (MACFLAGS_MATCH_P): New macro.
18109         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18110         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18111         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18112         the other MACFLAG constants.
18113         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18114         (flag_machi): Tighten constraints.  Renumber some of the operands.
18115         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18116         output template.
18117         (flag_machi_parts_acconly): New pattern.
18118         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18119         used.
18120         (flag_macinit1hi): Tighten constraints.
18121         (flag_mul_macv2hi_parts_acconly): New pattern.
18122
18123         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18124         Use a more efficient implementation.
18125         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18126         inline sequences when not optimizing for size.
18127
18128         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18129         movhi_high2low): Delete, merge functionality into...
18130         (packv2hi): ... this pattern.
18131
18132         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18133         * config/bfin/bfin.opt (msim): New option.
18134         (mcpu=): New option.
18135         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18136         (bfin_cpu_t): Typedef of enum bfin_cpu.
18137         (bfin_cpu_type): New declaration.
18138         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18139         -msim and -mcpu= options.
18140         (LIB_SPEC): Likewise.
18141         * config/bfin/bfin.c (bfin_cpu_type): Define.
18142         (bfin_handle_option): Handle -mcpu= option.
18143         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18144         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18145         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18146
18147 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18148
18149         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18150         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18151         (powerpc-wrs-vxworksae): Use ${tm_file}.
18152         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18153         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18154         * config/i386/vx-common.h: New file.
18155
18156 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18157
18158         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18159         of crt0.o%s.
18160
18161 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18162
18163         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18164         ldxtr.
18165
18166 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18167
18168         PR c++/31078
18169         PR c++/31103
18170         * c-common.c (c_build_qualified_type): Set canonical type
18171         appropriately.
18172
18173 2007-04-12  Richard Guenther  <rguenther@suse.de>
18174
18175         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18176         lower bound and element size if lower bound is not zero
18177         or either of the ARRAY_REF operands is set.
18178
18179 2007-04-12  Richard Guenther  <rguenther@suse.de>
18180
18181         PR tree-optimization/24689
18182         PR tree-optimization/31307
18183         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18184         indices by value.
18185         * gimplify.c (canonicalize_addr_expr): To be consistent with
18186         gimplify_compound_lval only set operands two and three of
18187         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18188         it never at this place.
18189         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18190
18191 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18192
18193         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18194         null before emitting a .nsubspa directive.
18195
18196 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18197
18198         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18199         need_to_partition_p if there are no memory statements in the
18200         function.
18201
18202 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18203
18204         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18205         (gcd_of_steps_may_divide_p): New function.
18206         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18207
18208 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18209
18210         * reload.c (find_reloads_toplev, find_reloads_address,
18211         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18212         not a pointer equality test, to decide if we need to call
18213         push_reg_equiv_alt_mem.
18214
18215 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18216
18217         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18218         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18219         New.
18220         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18221
18222 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18223
18224         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18225         vector to be positive.
18226
18227 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18228
18229         PR 30735
18230         PR 31090
18231         * doc/invoke.texi: Document --params max-aliased-vops and
18232         avg-aliased-vops.
18233         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18234         debug_memory_partitions): Move to tree-flow.h
18235         * params.h (AVG_ALIASED_VOPS): Define.
18236         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18237         users.
18238         (mp_info_t): Likewise.
18239         (get_mem_sym_stats_for): New.
18240         (set_memory_partition): Move from tree-flow-inline.h.
18241         (mark_non_addressable): Only clear the set of symbols for the
18242         partition if it exists.
18243         (dump_memory_partitions): Move from tree-ssa-operands.c
18244         (debug_memory_partitions): Likewise.
18245         (need_to_partition_p): New.
18246         (dump_mem_ref_stats): New.
18247         (debug_mem_ref_stats): New.
18248         (dump_mem_sym_stats): New.
18249         (debug_mem_sym_stats): New.
18250         (update_mem_sym_stats_from_stmt): New.
18251         (compare_mp_info_entries): New.
18252         (mp_info_cmp): Call it.
18253         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18254         objects.
18255         (get_mpt_for): Move from tree-ssa-operands.c.
18256         (find_partition_for): New.
18257         (create_partition_for): Remove.
18258         (estimate_vop_reduction): New.
18259         (update_reference_counts): New.
18260         (build_mp_info): New.
18261         (compute_memory_partitions): Refactor.
18262         Document new heuristic.
18263         Call build_mp_info, update_reference_counts,
18264         find_partition_for and estimate_vop_reduction.
18265         (compute_may_aliases): Populate virtual operands before
18266         calling debugging dumps.
18267         (delete_mem_sym_stats): New.
18268         (delete_mem_ref_stats): New.
18269         (init_mem_ref_stats): New.
18270         (init_alias_info): Call it.
18271         (maybe_create_global_var): Remove alias_info argument.
18272         Get number of call sites and number of pure/const call sites
18273         from gimple_mem_ref_stats().
18274         (dump_alias_info): Call dump_memory_partitions first.
18275         (dump_points_to_info_for): Show how many times a pointer has
18276         been dereferenced.
18277         * opts.c (decode_options): For -O2 set --param
18278         max-aliased-vops to 500.
18279         For -O3 set --param max-aliased-vops to 1000 and --param
18280         avg-aliased-vops to 3.
18281         * fortran/options.c (gfc_init_options): Remove assignment to
18282         MAX_ALIASED_VOPS.
18283         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18284         * tree-dfa.c (dump_variable): Dump memory reference
18285         statistics.
18286         Dump NO_ALIAS* settings.
18287         (referenced_var_lookup): Tidy.
18288         (mem_sym_stats): New.
18289         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18290         and ORIG are different SSA names for a memory partition.
18291         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18292         * tree-flow.h (struct mem_sym_stats_d): Define.
18293         (mem_sym_stats_t): Define.
18294         (struct mem_ref_stats_d): Define.
18295         (struct gimple_df): Add field mem_ref_stats.
18296         (enum noalias_state): Define.
18297         (struct var_ann_d): Add bitfield noalias_state.
18298         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18299         debug_mem_ref_stats, debug_memory_partitions,
18300         debug_mem_sym_stats): Declare.
18301         * tree-ssa-structalias.c (update_alias_info): Update call
18302         sites, pure/const call sites and asm sites in structure
18303         returned by gimple_mem_ref_stats.
18304         Remove local variable IS_POTENTIAL_DEREF.
18305         Increase NUM_DEREFS if the memory expression is a potential
18306         dereference.
18307         Call update_mem_sym_stats_from_stmt.
18308         If the memory references memory, call
18309         update_mem_sym_stats_from_stmt for all the direct memory
18310         symbol references found.
18311         (intra_create_variable_infos): Set noalias_state field for
18312         pointer arguments according to the value of
18313         flag_argument_noalias.
18314         * tree-ssa-structalias.h (struct alias_info): Remove fields
18315         num_calls_found and num_pure_const_calls_found.
18316         (update_mem_sym_stats_from_stmt): Declare.
18317         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18318         Set default value to 100.
18319         (PARAM_AVG_ALIASED_VOPS): Define.
18320
18321 2007-04-11  Richard Guenther  <rguenther@suse.de>
18322
18323         PR middle-end/31530
18324         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18325         a * -b + c as c - a * b if we honor sign dependent rounding.
18326
18327 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18328
18329         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18330         bfin_expand_strmov.
18331         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18332         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18333         variables.
18334         (initialize_trampoline): Don't use old-style function definition.
18335         (bfin_secondary_reload): Mark IN_P argument as unused.
18336
18337 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18338
18339         PR tree-optimization/31343
18340         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18341         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18342         * testsuite/gcc.dg/vect/pr31343.c: New.
18343
18344 2007-04-10  Eric Christopher  <echristo@apple.com>
18345
18346         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18347         * config/i386/i386.md (*cmpfp0): Use.
18348         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18349         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18350         (fix_trunc<mode>_i386_fisttp): Ditto.
18351         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18352         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18353         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18354         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18355         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18356         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18357         (unnamed_splitters): Ditto.
18358         * config/i386/i386.c (output_fix_trunc): Assert that
18359         we're not being passed a TFmode operand.
18360
18361 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18362
18363         PR tree-optimization/31526
18364         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18365         n_basic_blocks to find newly added blocks.
18366
18367 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18368
18369         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18370         alternative.
18371         (fix_trunc<mode>si_sse): Ditto.
18372         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18373         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18374         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18375         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18376         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18377         expander using SSEMODEF mode macro.
18378         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18379         expander using SSEMODEF mode macro.
18380         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18381         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18382         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18383         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18384         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18385         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18386         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18387         Macroize insn using X87MODEF mode macro.
18388
18389 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18390
18391         * config/i386/sse.md (sse2_pinsrw): Removed.
18392         (sse2_pextrw): Renamed to ...
18393         (*sse2_pextrw): This.
18394
18395 2007-04-09  Jan Hubicka  <jh@suse.cz>
18396
18397         PR target/27869
18398         * config/i386/sse.md
18399         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18400         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18401         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18402         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18403
18404 2007-04-09  Jan Hubicka  <jh@suse.cz>
18405
18406         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18407         multiple fields of union.
18408
18409 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18410
18411         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18412         (create_preheaders): Check that loops are available.
18413         (fix_loop_structure): Clean up, improve comments.
18414         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18415         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18416         state flags.
18417         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18418         * predict.c (tree_estimate_probability): Do not call
18419         calculate_dominance_info.  Call create_preheaders.
18420         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18421         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18422         flags.
18423         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18424         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18425         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18426         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18427         arguments.
18428
18429 2007-04-08  Jan Hubicka  <jh@suse.cz>
18430
18431         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18432         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18433         * fold-const.c (fold_unary): Use it.
18434
18435 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18436
18437         * varasm.c (assemble_variable): Remove call to
18438         lang_hooks.decls.prepare_assemble_variable.
18439         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18440         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18441         * langhooks.h (lang_hooks_for_decls): Remove
18442         prepare_assemble_variable.
18443
18444 2007-04-08  Mike Stump  <mrs@apple.com>
18445
18446         * config/i386/i386.c: Use inc/dec on Core2.
18447
18448 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18449
18450         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18451         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18452         lhd_tree_inlining_end_inlining): Remove.
18453         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18454         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18455         end_inlining hooks.
18456         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18457         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18458         lhd_tree_inlining_end_inlining): Remove prototypes.
18459         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18460         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18461         LANG_HOOKS_TREE_INLINING_START_INLINING,
18462         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18463
18464         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18465         not set it.
18466
18467 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18468
18469         PR target/29932
18470         * config/avr/predicates.md (io_address_operand): Delete predicate.
18471         (low_io_address_operand): Don't use 'mode' argument.
18472         (higth_io_address_operand): Rename ...
18473         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18474         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18475         for above change.
18476
18477 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18478
18479         Revert change removing staticp.
18480
18481 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18482
18483         PR target/30289
18484         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18485         earlyclobber.
18486
18487 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18488
18489         * c.opt: Add -Wformat-contains-nul.
18490         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18491           -Wformat setting.
18492         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18493         the NUL byte warning.
18494
18495 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18496
18497         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18498
18499 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18500
18501         * tree.c (staticp): No longer use staticp langhook.
18502         * langhooks.c (lhd_staticp): Removed.
18503         * langhooks.h (struct lang_hooks): Remove staticp.
18504         * c-common.c (c_staticp): Remove.
18505         * c-common.h (c_staticp): Ditto.
18506         * langhooks-defs.h (lhd_staticp): Ditto.
18507         (LHD_HOOKS_STATICP): Ditto
18508         * tree.h (gcc_assert_lowered): New macro.
18509
18510 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18511
18512         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18513         argument "reliable".
18514         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18515         Add argument "reliable".  Propagate it through calls.
18516         (infer_loop_bounds_from_undefined): Derive number of iterations
18517         estimates from references in blocks that do not dominate loop latch.
18518         (gcov_type_to_double_int): New function.
18519         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18520         and expected_loop_iterations_unbounded.
18521         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18522         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18523         * tree-data-ref.c (estimated_loop_iterations): Export.
18524         (get_references_in_stmt): Fix -- do not return addresses of local
18525         objects.
18526         * cfgloop.h (expected_loop_iterations_unbounded,
18527         estimated_loop_iterations): Declare.
18528
18529 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18530
18531         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18532
18533 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18534
18535         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18536         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18537         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18538         Use output_387_reg_move().
18539         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18540         expander using X87MODEF12 mode macro.
18541         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18542         choosing register preferences.  Use output_387_reg_move().
18543         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18544         instead of "x".  Use output_387_reg_move().
18545         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18546         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18547         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18548         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18549         Use output_387_reg_move().
18550         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18551         mode macro.
18552         (*truncxf?f_i387 splitter): Ditto.
18553
18554 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18555
18556         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18557         LANG_HOOKS_SAFE_FROM_P.
18558         * expr.c (safe_from_p): Remove langhook call.
18559         * langhooks.h (lang_hooks): Remove safe_from_p.
18560         (lhd_safe_from_p): Remove prototype.
18561         * langhooks.c (lhd_safe_from_p): Remove.
18562
18563 2007-04-06  Jan Hubicka  <jh@suse.cz>
18564
18565         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18566         functions.
18567
18568 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18569
18570         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18571         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18572         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18573         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18574         alternative.
18575         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18576         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18577
18578 2007-04-05  Richard Henderson  <rth@redhat.com>
18579
18580         * config/alpha/alpha.c (print_operand) [+]: Remove.
18581         (alpha_end_function): Print nop if call at end of function.
18582         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18583         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18584         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18585         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18586         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18587         the call pattern. Update peepholes to match.
18588
18589 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18590
18591         * doc/extend.texi (Other Builtins): Add decimal float variants
18592         of signbit.
18593         * builtins.def: Ditto.
18594         * builtins.c (expand_builtin): Ditto.
18595
18596 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18597             H.J. Lu  <hongjiu.lu@intel.com>
18598
18599         PR target/31478
18600         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18601         of V8HImode when calling ix86_binary_operator_ok.
18602         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18603         (sdot_prodv8hi): Operands 1 and 2 must be register.
18604
18605 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18606
18607         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18608         initialize align to silence bogus warning.
18609
18610 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18611
18612         PR middle-end/22156
18613         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18614         all_no_warning.
18615         (struct sra_walk_fns): Remove use_all parameter from use.
18616         (sra_hash_tree): Handle BIT_FIELD_REFs.
18617         (sra_elt_hash): Don't hash bitfld blocks.
18618         (sra_elt_eq): Skip them in parent compares as well.  Handle
18619         BIT_FIELD_REFs.
18620         (sra_walk_expr): Don't maintain or pass down use_all_p.
18621         (scan_use): Remove use_all parameter.
18622         (scalarize_use): Likewise.  Re-expand assignment to
18623         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18624         output, and re-scalarize after output.  Don't mark anything
18625         for no warning.
18626         (scalarize_ldst): Adjust.
18627         (scalarize_walk_gimple_modify_statement): Likewise.
18628         (build_element_name_1): Handle BIT_FIELD_REFs.
18629         (instantiate_element): Don't warn for any element whose parent
18630         is used as a whole.
18631         (instantiate_missing_elements_1): Return the sra_elt.
18632         (canon_type_for_field): New.
18633         (try_instantiate_multiple_fields): New.
18634         (instantiate_missing_elemnts): Use them.
18635         (mark_no_warning): Removed.
18636         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18637         (REPLDUP, sra_build_elt_assignment): New.
18638         (generate_copy_inout): Use them.
18639         (generate_element_copy): Likewise.  Handle bitfld differences.
18640         (generate_element_zero): Don't recurse for blocks.  Use
18641         sra_build_elt_assignment.
18642         (generate_one_element_int): Take elt instead of var.  Use
18643         sra_build_elt_assignment.
18644         (generate_element_init_1): Adjust.
18645         (scalarize_use, scalarize_copy): Use REPLDUP.
18646         (scalarize_ldst): Move assert before dereference.
18647         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18648
18649 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18650
18651         * regmove.c: Fix unused variable warnings due to previous commit.
18652
18653 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18654
18655         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18656         (regmove_bb_head): Remove.
18657         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18658         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18659         problems with fixup_match_1.
18660         Don't initialize/free regmove_bb_head.
18661
18662         (reg_is_remote_constant_p): If an insn is in the same basic block
18663         but not before INSN, consider it remote, too.
18664
18665 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18666
18667         PR target/25448
18668         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18669         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18670
18671 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18672
18673         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18674         (CONDITIONAL_REGISTER_USAGE): Likewise.
18675
18676 2007-04-04  Richard Henderson  <rth@redhat.com>
18677
18678         * config/alpha/lib1funcs.asm: Remove unused file.
18679
18680 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18681
18682         PR other/31356
18683         * opts.c (print_specific_help): Fix --help=<language>
18684         header line.
18685         (common_handle_option): Support --help=common.
18686
18687 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18688
18689         PR other/31353
18690         * gcc.c (main): Do not run the linker if
18691         print_subprocess_help indicates that it shouldn't be
18692         run.
18693
18694 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18695
18696         PR doc/31355
18697         * doc/invoke.texi (--help=): Document <languages> value, fix
18698         formatting in tables of values.
18699
18700 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
18701
18702         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
18703         dllimport attribute of virtual methods.
18704
18705 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
18706
18707         * config/score/crti.asm: Change _bss_start to __bss_start.
18708         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
18709         (OUTGOING_REG_PARM_STACK_SPACE) update.
18710         * config/score/score.opt: add options to make backend support
18711         score5, score5u, score7 and score7d.
18712         * config/score/score.md: Likewise.
18713         * config/score/misc.md: Likewise.
18714         * config/score/mac.md: Likewise.
18715         * doc/invoke.texi: Likewise.
18716         * doc/md.texi: update constraints define.
18717
18718 2007-04-03  Richard Henderson  <rth@redhat.com>
18719
18720         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
18721         an appropriate type, use the mode instead.
18722
18723 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
18724
18725         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
18726         Set the default --with-arch setting to mips2.
18727         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
18728         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
18729         (MULTILIB_OSDIRNAMES): Delete.
18730         (MULTILIB_DIRNAMES): Define.
18731         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
18732         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
18733         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
18734         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
18735         VXWORKS_OS_CPP_BUILTINS.
18736         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
18737         (MIPS_DEBUGGING_INFO): Undefine.
18738         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
18739
18740 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
18741
18742         PR middle-end/30704
18743         * fold-const.c (native_encode_real): Encode real.c provided longs
18744         as a series of 32-bit native integers.
18745         (native_interpret_real): Interpret buffer as a series of 32-bit
18746         native integers.
18747
18748 2007-04-03  Richard Guenther  <rguenther@suse.de>
18749
18750         * genpreds.c (write_insn_constraint_len): Write function
18751         optimized for CONSTRAINT_LEN implementation.
18752         (write_tm_preds_h): Output insn_constraint_len inline and
18753         use it for CONSTRAINT_LEN.
18754         (write_insn_preds_c): Don't output insn_constraint_len.
18755         * doc/md.texi (define_register_constraint): Document multi-letter
18756         constraints shall have the same length if they start with the same
18757         letter.
18758
18759 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18760
18761         PR target/31175
18762         * config/i386/i386.md (isinf<mode>2): Expand only when
18763         TARGET_C99_FUNCTIONS is set.
18764
18765 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18766
18767         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
18768         (x86_64-*-linux*): Ditto.
18769         * config/i386/i386.opt (mpc): New option.
18770         * config/i386/i386.c (overrride_options): Handle
18771         ix87_precision_string.
18772         * config/i386/crtprec.c: New file.
18773         * config/i386/t-crtpc: Ditto.
18774         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
18775         and -mpc80 options.
18776         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
18777         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
18778         crtprec32.o, crtprec64.o and crtprec80.o.
18779
18780         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
18781         and -mpc80 options.
18782         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
18783
18784 2007-04-02  Eric Christopher  <echristo@apple.com>
18785
18786         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
18787         limitations on darwin.
18788
18789 2007-04-02  Anatoly Sokolov <aesok@post.ru>
18790
18791         PR target/31137
18792         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
18793
18794 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18795
18796         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
18797
18798 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18799
18800         * libgcc2.h (exception_descriptor): Don't forward-declare.
18801         (__get_eh_table_language, __get_eh_table_version): Delete
18802         prototypes of long-dead functions.
18803
18804 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
18805
18806         * ebitmap.h: New file
18807         * ebitmap.c: New file
18808         * Makefile.in (ebitmap.o): New target.
18809
18810 2007-04-01  Jan Hubicka  <jh@suse.cz>
18811
18812         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
18813         before very first instruction.
18814
18815 2007-04-01  Jan Hubicka  <jh@suse.cz>
18816
18817         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
18818         waring on 64bit hosts.
18819         * bitmap.h: Fix typo in bitmap_head_def.
18820
18821 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
18822
18823         PR rtl-optimization/31391
18824         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
18825         into a DELETED_LABEL note, and the label is in an empty basic
18826         block, update BB_END as well as BB_HEAD.
18827
18828 2007-04-01  Richard Henderson  <rth@redhat.com>
18829
18830         PR tree-optimization/31169
18831         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
18832         to varying if the range is outside [0,  prec-1].
18833
18834 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
18835
18836         PR target/31388
18837         * config/mips/mips.md (load_const_gp): New insn.
18838         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
18839         the MIPS16 GP pseudo register if no_new_pseudos.
18840         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
18841
18842 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18843
18844         PR target/31364
18845         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
18846         secureplt.
18847         (call_value): Likewise.
18848
18849 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
18850             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18851
18852         PR 14737
18853         * doc/invoke.texi: (optimization options): Reword description
18854         of -ffast-math. Document its primary purpose.
18855
18856 2007-03-31  Richard Guenther  <rguenther@suse.de>
18857
18858         * omp-low.c (splay-tree.h): Include.
18859         (lookup_decl): Replace splay-tree usage by pointer-map.
18860         (maybe_lookup_decl): Likewise.
18861         (new_omp_context): Likewise.
18862         (delete_omp_context): Likewise.
18863         * gimplify.c (splay-tree.h): Include.
18864         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
18865         pointer-map.
18866         (remap_ssa_name): Likewise.
18867         (remap_decl): Likewise.
18868         (remap_type_1): Likewise.
18869         (remap_type): Likewise.
18870         (copy_body_r): Likewise.
18871         (expand_call_inline): Likewise.
18872         (clone_body): Likewise.
18873         (copy_tree_r): Likewise.
18874         (remap_save_expr): Likewise.
18875         (unsave_r): Likewise.
18876         (unsave_expr_now): Likewise.
18877         (tree_function_versioning): Likewise.
18878         (build_duplicate_type): Likewise.
18879         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
18880         (struct copy_body_data): Replace splay-tree by pointer-map.
18881         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
18882         not $(SPLAY_TREE_H).
18883         (gimplify.o): Depend on $(SPLAY_TREE_H).
18884         (omp-low.p): Likewise.
18885
18886 2007-03-31  Anatoly Sokolov <aesok@post.ru>
18887
18888         * config/avr/predicates.md (even_register_operand,
18889         odd_register_operand): New predicates.
18890         * config/avr/avr.md (movw peephole2): New.
18891         (movw_r peephole2): New.
18892
18893 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
18894
18895         * tree.h (get_signed_or_unsigned_type): New.
18896         * fold-const.c (operand_equal_for_comparison_p): Use
18897         get_signed_or_unsigned_type instead of
18898         lang_hooks.types.signed_or_unsigned_type.
18899         * expr.c (store_expr): Ditto.
18900         * langhooks.c (get_signed_or_unsigned_type): New.
18901         (lhd_signed_or_unsigned_type): New.
18902         * langhooks.h (lhd_signed_or_unsigned_type): New.
18903         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
18904
18905 2007-03-30  Richard Henderson  <rth@redhat.com>
18906
18907         * tree-ssa-loop-ivopts.c: Include target.h.
18908         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
18909         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
18910         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
18911         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
18912
18913 2007-03-30  Richard Henderson  <rth@redhat.com>
18914             Kai Tietz  <kai.tietz@onevision.com>
18915
18916         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
18917         default for 64-bit.
18918         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
18919         (TARGET_64BIT_MS_ABI): New.
18920         (DBX_REGISTER_NUMBER): Handle 64-bit.
18921         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
18922         (LONG_TYPE_SIZE): Force to 32.
18923         (REG_PARM_STACK_SPACE): New.
18924         (OUTGOING_REG_PARM_STACK_SPACE): New.
18925         (REGPARM_MAX, SSE_REGPARM_MAX): New.
18926         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18927         (STACK_BOUNDARY): Use 128 for 64-bit.
18928         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
18929         Add 64-bit implementation.
18930         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
18931         argument unused.
18932         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
18933         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
18934         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
18935         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
18936         (ix86_handle_cconv_attribute): Don't warn when ignoring if
18937         TARGET_64BIT_MS_ABI.
18938         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
18939         (ix86_pass_by_reference): Likewise.
18940         (ix86_function_value_regno_p): Likewise.
18941         (ix86_build_builtin_va_list): Likewise.
18942         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
18943         (function_arg_advance_ms_64): New.
18944         (function_arg_advance): Call it.
18945         (function_arg_ms_64): New.
18946         (function_arg): Call it.
18947         (function_value_ms_64): New.
18948         (ix86_function_value_1): Call it.
18949         (return_in_memory_ms_64): New.
18950         (ix86_return_in_memory): Call it.
18951         (setup_incoming_varargs_ms_64): New.
18952         (ix86_setup_incoming_varargs): Call it.
18953         (ix86_expand_prologue): Handle 64-bit stack probing.
18954         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
18955         (output_pic_addr_const): Likewise.
18956         (x86_this_parameter): Likewise.
18957         (x86_output_mi_thunk): Likewise.
18958         (x86_function_profiler): Likewise.
18959         (TARGET_STRICT_ARGUMENT_NAMING): New.
18960         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
18961         (TARGET_64BIT_MS_ABI): New.
18962         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
18963         * config/i386/i386.md (allocate_stack_worker): Remove.
18964         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
18965         describe the clobber of eax without a match_scratch.
18966         (allocate_stack_worker_postreload): Remove.
18967         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
18968         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
18969         (allocate_stack_worker_rex64_postreload): Remove.
18970         (allocate_stack): Handle 64-bit.
18971         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
18972         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
18973         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
18974         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
18975         (STANDARD_STARTFILE_PREFIX_1): Likewise.
18976         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
18977         * config.build (x86_64-*-mingw*): New host.
18978         * config.host (x86_64-*-mingw*): New host.
18979         * config.gcc (x86_64-*-mingw*): New target.
18980         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
18981
18982 2007-03-30  Richard Henderson  <rth@redhat.com>
18983             Kai Tietz  <kai.tietz@onevision.com>
18984
18985         * c-pragma.c (struct def_pragma_macro_value): New.
18986         (struct def_pragma_macro): New.
18987         (pushed_macro_table): New.
18988         (dpm_hash, dpm_eq): New.
18989         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
18990         (init_pragma): Install them.
18991         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18992
18993 2007-03-30  Anatoly Sokolov <aesok@post.ru>
18994
18995         * config/avr/avr.c (avr_override_options): Clear
18996         'flag_delete_null_pointer_checks'.
18997
18998 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
18999
19000         PR c++/26099
19001         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
19002         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
19003         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
19004         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
19005         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
19006         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
19007         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
19008         C++ extensions.
19009         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
19010
19011 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
19012
19013         * regmove.c: Move all of pass_stack_adjustments from here...
19014         * combine-stack-adj.c: ...to this new file.
19015         * Makefile.in: Add rules for combine-stack-adj.o.
19016
19017 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19018
19019         PR tree-optimization/31383
19020         * tree-data-ref.c (affine_function_equal_p): Do not require the
19021         vectors to have the same length.
19022
19023 2007-03-30  Jan Hubicka  <jh@suse.cz>
19024
19025         PR middle-end/30700
19026         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19027         availablility; add more sanity checking; ask varpool only about
19028         VAR_DECL.
19029
19030 2007-03-29  Richard Henderson  <rth@redhat.com>
19031
19032         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19033         to decide, but __SIZEOF_LONG_LONG__.
19034
19035 2007-03-29  Richard Henderson  <rth@redhat.com>
19036
19037         * emutls.c (struct __emutls_array): New.
19038         (emutls_destroy): Use it instead of casting element 0 from void*.
19039         (__emutls_get_address): Likewise.
19040
19041 2007-03-29  Richard Henderson  <rth@redhat.com>
19042
19043         * varasm.c (initializer_constant_valid_p): Don't deny
19044         DECL_DLLIMPORT_P on functions.
19045
19046         * config/i386/cygming.h: Remove function declarations.
19047         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19048         (ASM_OUTPUT_LABELREF): Remove.
19049         (COMMON_ASM_OP): Remove.
19050         (ASM_OUTPUT_COMMON): Remove.
19051         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19052         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19053         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19054         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19055         Rename from TARGET_ENCODE_SECTION_INFO.
19056         * config/i386/netware.h: Likewise.
19057         * config/i386/i386-protos.h: Update.
19058         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19059         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19060         (legitimate_constant_p): Reject dllimports.
19061         (dllimport_map, get_dllimport_decl): New.
19062         (legitimize_dllimport_symbol): New.
19063         (legitimize_address, ix86_expand_move): Use it.
19064         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19065         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19066         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19067         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19068         * config/i386/predicates.md (constant_call_address_operand): Only
19069         accept symbols; reject dllimport_p symbols.
19070         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19071         i386_pe_maybe_record_exported_symbol.
19072         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19073         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19074         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19075         trust the setting of DECL_DLLIMPORT_P.
19076         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19077         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19078         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19079         tidy the argument scanning loop.
19080         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19081         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19082         (i386_pe_strip_name_encoding): Remove.
19083         (i386_pe_binds_local_p): New.
19084         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19085         (i386_pe_output_labelref): Remove.
19086         (i386_pe_asm_output_aligned_decl_common): New.
19087         (i386_pe_maybe_record_exported_symbol): Rename from
19088         i386_pe_record_exported_symbol; check for dllexported symbols.
19089
19090 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19091
19092         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19093         add comment explaining why vsnprintf cannot be used.
19094
19095 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19096
19097         PR tree-optimization/30666
19098         * tree.c (build_complex_type): When creating type names for DWARF2
19099         debug info, create TYPE_DECLs for TYPE_NAME instead of
19100         IDENTIFIER_NODEs.
19101         (build_common_tree_nodes_2): Use build_complex_type when building
19102         predefined complex types, to preserve canonical types.
19103
19104 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19105
19106         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19107         (noce_get_alt_condition): Look at it to determine whether to
19108         reverse the condition or not.
19109         (noce_get_condition): Substitute the truth for lies.
19110         (noce_find_if_block): Set the then_else_reversed field.
19111
19112 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19113
19114         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19115         destination of this insn.
19116         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19117         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19118         'address + 4' rather than a stack based temporary which can be
19119         mis-optimized away.
19120
19121 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19122
19123         * config/s390/s390.c (s390_secondary_input_reload_class,
19124         s390_secondary_output_reload_class): Functions removed.
19125         (s390_secondary_reload): New function.
19126         (TARGET_SECONDARY_RELOAD): Target macro defined.
19127         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19128         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19129         * config/s390/s390.md ("reload_outti", "reload_outdi",
19130         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19131         "reload_out<mode>"): Expanders removed.
19132         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19133         "reload<mode>_nonoffmem_out"): Expanders added.
19134
19135 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19136
19137         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19138         action if SRC->DEST replacement failed anyway.
19139
19140 2007-03-28  Mike Stump  <mrs@apple.com>
19141
19142         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19143         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19144         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19145
19146 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19147
19148         * config.gcc: Accept barcelona as a variant of amdfam10.
19149         * config/i386/i386.c (override_options): Likewise.
19150         * doc/invoke.texi: Likewise.
19151
19152 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19153
19154         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19155         offsets for BIT_FIELD_REF and COMPONENT_REF.
19156
19157 2007-03-28  Richard Guenther  <rguenther@suse.de>
19158
19159         * tree.c (is_global_var): Move ...
19160         * tree-flow-inline.h (is_global_var): ... here.
19161         * tree.h (is_global_var): Remove declaration.
19162
19163 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19164
19165         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19166         option.
19167         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19168         * config/i386/i386.c (ix86_tune_features): Initialize new
19169         tuning option.
19170         * config/i386/predicates.md (promotable_binary_operator): Use
19171         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19172
19173 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19174
19175         PR target/31380
19176         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19177
19178 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19179
19180         * config/fr30/fr30.md (movsi_internal): Change destination
19181         constraint from m to V and add m to the end.
19182
19183 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19184
19185         * config/sh/sh.md (movsi_i): Fix type attribute.
19186
19187 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19188
19189         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19190         (movsf_ie): Likewise.
19191
19192 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19193
19194         * config.gcc: Add sh4-300 to multilib.
19195         * config/sh/t-mlib-sh4-300: New file.
19196
19197 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19198
19199         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19200         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19201         fix_trunc<mode>di2.
19202         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19203         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19204         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19205         "fixuns_trunctddi2"): Whitespace fix.
19206
19207 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19208
19209         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19210         the definition of struct sh_args.
19211         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19212         CALL_COOKIE_INT_REG_GET): Likewise.
19213
19214 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19215
19216         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19217         transformations are applied successfully.
19218
19219 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19220
19221         * tree.c (tree_contains_struct): Permit 512 tree codes.
19222         * tree.h (tree_contains_struct): Ditto.
19223         (MAX_TREE_CODES): Ditto.
19224         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19225         SPARE member to store remaining padding bits.
19226
19227 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19228
19229         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19230         architecture.
19231
19232 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19233
19234         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19235         * configure: Regenerate.
19236
19237         * configure: Regenerate using the correct version of autoconf.
19238
19239 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19240
19241         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19242         pointer regs.
19243         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19244         regs to "__SP_L__" and "__SP_H__".
19245
19246 2007-03-27  Richard Guenther  <rguenther@suse.de>
19247
19248         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19249         computations with it with a HOST_WIDE_INT variable.
19250
19251 2007-03-26  Mike Stump  <mrs@apple.com>
19252
19253         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19254         objective-c-header, objective-c++-header and objc++-cpp-output
19255         support.
19256         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19257
19258 2007-03-26  Richard Henderson  <rth@redhat.com>
19259
19260         PR target/31361
19261         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19262         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19263         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19264         IX86_BUILTIN_PSRLQ128): New.
19265         (ix86_init_mmx_sse_builtins): Add them.
19266         (ix86_expand_builtin): Expand them.
19267         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19268         operand 2 be TImode.
19269         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19270         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19271         _mm_srli_epi64): Mark __B const.
19272         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19273         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19274         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19275         new two-vector shift builtins.
19276
19277 2007-03-26  Ian Lance Taylor  <iant@google.com>
19278
19279         PR tree-optimization/31345
19280         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19281         [+INF, +INF(OVF)] into VARYING.
19282
19283 2007-03-26  Zack Weinberg  <zackw@panix.com>
19284
19285         * gengtype-parse.c: New file.
19286         * gengtype-yacc.y: Delete.
19287         * gengtype-lex.l: Don't include gengtype-yacc.h.
19288         Define YY_DECL and yyterminate appropriately for recursive
19289         descent parser.  yylval is now a string out-parameter to yylex.
19290         (HWS, EOID): New shorthand.
19291         (IWORD): Add a couple more types.
19292         (yylex): Add a setup stanza.  Remove the complex rules for
19293         detecting GTY'ed types and typedefs; replace with simple
19294         keyword detectors.  Adjust everything for the changed
19295         definition of yylval.  Ignore all pp-directives, not just #define.
19296         (yyerror): Delete.
19297         (parse_file): Rename yybegin; do not call yyparse.
19298         (yyend): New.
19299         * gengtype.c (xasprintf): Export again.
19300         (this_file): New.  Use everywhere __FILE__ was being used.
19301         (get_lang_bitmap): Special case types defined in gengtype.c.
19302         (do_typedef, new_structure): Suppress definition of certain types.
19303         (new_structure): Improve diagnostics of duplicate definitions.
19304         Make sure location_s is associated with input.h.
19305         (nreverse_pairs, define_location_structures): New functions.
19306         (main): Improve tagging of kludge types.  Remove old kludges
19307         for input.h types; use define_location_structures.
19308         * gengtype.h: Update prototypes.  Define token codes here.
19309         * Makefile.in: Remove all references to gengtype-yacc.
19310         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19311         and gengtype.
19312         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19313         add GTY((skip)) to the field that's only conditionally there.
19314         * doc/install.texi: Document that Bison is no longer required
19315         unless building treelang.
19316
19317         * gengtype.c: Don't include gtyp-gen.h.
19318         (srcdir): Declare here.
19319         (base_files, lang_dir_names): Allocate dynamically.
19320         (gt_files, num_gt_files, num_lang_dirs): New globals.
19321         (measure_input_list, read_input_line, read_input_list)
19322         (set_lang_bitmap): New functions.
19323         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19324         simplify, relying on read_input_list to set up the bitmaps.
19325         (main): Arguments are no longer unused.  Check for correct number
19326         of command line arguments, set srcdir and srcdir_len, then call
19327         read_input_list, before doing anything else.  No need to worry
19328         about duplicates in main loop.
19329         * configure.ac: Simplify the calculation of all_gtfiles.
19330         Put language tags in there.  Don't set or substitute
19331         all_gtfiles_files_langs or all_gtfiles_files_frags.
19332         * Makefile.in: Revamp the way gengtype is invoked, now that it
19333         takes a file on its command line with a much simpler format.
19334         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19335         (GTFILES): Remove duplicates and C source files.
19336         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19337         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19338         * configure: Regenerate.
19339
19340         * gengtype.h: Remove all type definitions to gengtype.c; leave
19341         only definitions of options_p, type_p, and pair_p as opaque
19342         pointers.  Update prototypes.
19343         * gengtype.c: Many type definitions moved here from gengtype.h.
19344         Consolidate type definitions at the top of the file.
19345         (xvasprintf): Delete.
19346         (xasprintf): Make static.
19347         (create_nested_pointer_option): Add 'next' parameter.
19348         (create_field_all, create_field_at): New functions.
19349         (create_field): Now a thin wrapper around create_field_all.
19350         (create_optional_field): Rename create_optional_field_ and add
19351         line argument.  Original name is now a macro which supplies
19352         __LINE__.
19353         (oprintf): Use vsnprintf directly.
19354         (close_output_files): Use fatal rather than perror/exit.
19355         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19356         (main): Set progname.  Don't use exit.
19357         * gengtype-yacc.y (struct_fields): Use create_field_at.
19358         (option, optionseqopt): Delete.
19359         (optionseq): Consolidate productions from option here so we
19360         can use the first argument to create_option.
19361
19362         * gengtype-lex.l: Distinguish unions from structures in the
19363         token type.  Don't call find_structure; return the tag as a string.
19364         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19365         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19366         string.  Reorganize typedef_struct production accordingly.
19367         Use create_nested_ptr_option.
19368         * gengtype.c (create_nested_ptr_option): New function.
19369         * gengtype.h: Declare it.
19370
19371         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19372         (string_type): Don't declare.
19373         (do_scalar_typedef): Declare.
19374         (create_scalar_type): Update prototype.
19375         * gengtype.c (string_type): Make static.
19376         (scalar_nonchar, scalar_char): New.
19377         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19378         (resolve_typedef): Use scalar_nonchar for error recovery.
19379         (create_scalar_type): Remove name_len field.  Return scalar_char
19380         or scalar_nonchar as appropriate.
19381         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19382         to use string_type.
19383         (throughout): Use scalar_nonchar instead of calling
19384         create_scalar_type, whenever possible.
19385         (main): Initialize scalar_char and scalar_nonchar before calling
19386         gen_rtx_next.
19387         * gengtype-lex.l: Adjust for removal of second argument to
19388         create_scalar_type.  Use yylval.s instead of yylval.t when
19389         returning SCALAR.
19390         * gengtype-yacc.y: Type of SCALAR is string.  Call
19391         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19392         second argument to create_scalar_type.
19393
19394         * vec.h: Remove all #if IN_GENGTYPE blocks.
19395         Add comment saying that changes may require adjustments to gengtype.
19396         * gengtype.c: Don't include coretypes.h or tm.h.
19397         Add comment to inclusion of errors.h.
19398         (note_def_vec, note_def_vec_alloc): New functions.
19399         * gengtype.h: Declare new functions.
19400         * gengtype-lex.l: Don't include coretypes.h.
19401         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19402         Delete.
19403         (update_lineno): Remove unnecessary prototype.
19404         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19405         (VEC rule): Just return VEC_TOKEN.
19406         * gengtype-yacc.y (VEC_TOKEN): New token type.
19407         (type): Add a production for VEC(a,b).
19408         * Makefile.in: Update dependencies.
19409
19410         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19411         typedefs that use the old PARAMS macro.
19412
19413         * gengtype-lex.l: Remove all rules and states relating to yacc
19414         input files.
19415         * gengtype-yacc.y: Similarly.
19416         * gengtype.c (note_yacc_type): Delete function.
19417         * gengtype.h: Update prototypes.
19418
19419 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19420
19421         * tree-pretty-print.c (dump_generic_node): Report precision of
19422         unnamed integer types.
19423
19424 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19425
19426         * ifcvt.c (noce_try_store_flag_constants): Don't check
19427         no_new_pseudos here.
19428         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19429         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19430         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19431         noce_try_sign_mask): Likewise.
19432         (if_convert): Check no_new_pseudos here.
19433
19434         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19435         Remove prototypes.
19436         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19437         (noce_get_condition): Handle new then_else_reversed argument.
19438         (noce_init_if_info): Remove, fold into noce_find_if_block.
19439         (noce_process_if_block): Take a struct noce_if_info as the
19440         argument.  Don't set up one based on ce_if_info.  Update pointer
19441         references accordingly.
19442         (cond_move_process_if_block): Likewise.
19443         (process_if_block): Removed.
19444         (find_if_block): Removed.  Move functionality two new functions,
19445         noce_find_if_block and cond_exec_find_if_block.
19446         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19447         blocks and the symmetric IF-ELSE-JOIN case.
19448         (cond_exec_find_if_block): Also new function mostly based on old
19449         find_if_block and process_if_block.
19450         (find_if_header): Replace find_if_block call with separately
19451         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19452         (find_cond_trap): Update noce_get_condition call.
19453         (dead_or_predicable): Likewise.
19454
19455 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19456
19457         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19458         Remove.
19459         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19460         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19461         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19462         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19463         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19464         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19465         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19466         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19467         __builtin_ia32_psrad128 builtins.
19468
19469 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19470
19471         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19472         * config/i386/constraints.md
19473         (define_constraint "I"): Use IN_RANGE macro.
19474         (define_constraint "J"): Ditto.
19475         (define_constraint "K"): Ditto.
19476         (define_constraint "M"): Ditto.
19477         (define_constraint "N"): Ditto.
19478         (define_constraint "O"): Ditto.
19479         * config/i386/predicates.md
19480         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19481         (define_predicate "const_0_to_3_operand"): Ditto.
19482         (define_predicate "const_0_to_7_operand"): Ditto.
19483         (define_predicate "const_0_to_15_operand"): Ditto.
19484         (define_predicate "const_0_to_63_operand"): Ditto.
19485         (define_predicate "const_0_to_255_operand"): Ditto.
19486         (define_predicate "const_1_to_31_operand"): Ditto.
19487         (define_predicate "const_2_to_3_operand"): Ditto.
19488         (define_predicate "const_4_to_7_operand"): Ditto.
19489
19490 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19491
19492         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19493         in SImode for save_world.
19494         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19495         LR hard reg.
19496
19497 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19498
19499         PR tree-optimization/30784
19500         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19501         BIT_FIELD_REF.
19502
19503 2007-03-25  Revital Eres  <eres@il.ibm.com>
19504
19505         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19506           Fold movement_possibility function into it.
19507
19508 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19509
19510         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19511         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19512         (call_indirect_nonlocal_darwin64): Same.
19513         (call_nonlocal_darwin64): Same.
19514         (call_value_indirect_nonlocal_darwin64): Same.
19515         (call_value_nonlocal_darwin64): Same.
19516         (sibcall_nonlocal_darwin64): Same.
19517         (sibcall_value_nonlocal_darwin64): Same.
19518         (sibcall_symbolic_64): Same.
19519         (sibcall_value_symbolic_64): Same.
19520         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19521         LR pseudo.
19522         (rs6000_emit_load_toc_table): Same.
19523         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19524         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19525         (mull_call): Same.
19526         (divss_call): Same.
19527         (divus_call): Same.
19528         (quoss_call): Same.
19529         (quous_call): Same.
19530         (load_toc_v4_pic_si): Same
19531         (load_toc_v4_PIC_1): Same.
19532         (load_toc_v4_PIC_1b): Same.
19533         (call_indirect_aix{32,64}): Same.
19534         (call_value_indirect_aix{32,64}): Same.
19535         (call): Same.
19536         (call_value): Same.
19537         (call_local{32,64}): Same.
19538         (call_value_local{32,64}): Same.
19539         (call_indirect_nonlocal_aix{32,64}): Same.
19540         (call_nonlocal_aix{32,64}): Same.
19541         (call_value_indirect_nonlocal_aix{32,64}): Same.
19542         (call_value_nonlocal_aix{32,64}): Same.
19543         (call_indirect_nonlocal_sysv<mode>): Same.
19544         (call_nonlocal_sysv<mode>): Same.
19545         (call_value_indirect_nonlocal_sysv<mode>): Same.
19546         (call_value_nonlocal_sysv<mode>): Same.
19547         (sibcall): Same.
19548         (sibcall_local{32,64}): Same.
19549         (sibcall_value_local{32,64}): Same.
19550         (sibcall_nonlocal_aix{32,64}): Same.
19551         (sibcall_value_nonlocal_aix{32,64}): Same.
19552         (sibcall_nonlocal_sysv<mode>): Same.
19553         (sibcall_value): Same.
19554         (sibcall_value_nonlocal_sysv<mode>): Same.
19555
19556 2007-03-24  Paul Brook  <paul@codesourcery.com>
19557
19558         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19559         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19560
19561 2007-03-24  Richard Henderson  <rth@redhat.com>
19562
19563         * config/ia64/constraints.md: New file.
19564         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19565         satisfies_constraint_?.
19566         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19567         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19568         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19569         ia64_output_mi_thunk): Likewise.
19570         (ia64_const_ok_for_letter_p): Remove.
19571         (ia64_const_double_ok_for_letter_p): Remove.
19572         (ia64_extra_constraint): Remove.
19573         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19574         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19575         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19576         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19577         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19578         EXTRA_MEMORY_CONSTRAINT): Remove.
19579         * config/ia64/ia64.md: Include constriants.md.  Replace
19580         CONST_OK_FOR_? with satisfies_constraint_?.
19581
19582 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19583             H.J. Lu  <hongjiu.lu@intel.com>
19584
19585         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19586         DPD or BID name.
19587         (name macros): Use DPD_BID_NAME to convert names properly.
19588
19589         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19590         decimal floating point format.
19591         (init_floating_libfuncs): Change decimal functions so that they
19592         have a "bid_" prefix if the decimal system uses the BID format,
19593         and "dpd_" prefix if the decimal system uses the DPD format.
19594         (init_interclass_conv_libfuncs): Ditto.
19595         (init_intraclass_conv_libfuncs): Ditto.
19596
19597         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19598         using the BID format.
19599
19600         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19601         whether we are using the BID decimal format.
19602         * configure: Regenerate.
19603
19604         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19605         the compiler has decimal floating point enabled.  Define
19606         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19607         instead of DPD.
19608
19609         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19610         using the BID format.
19611
19612         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19613         whether we are using the BID decimal format.
19614         * configure: Regenerate.
19615
19616         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19617         the compiler has decimal floating point enabled.  Define
19618         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19619         instead of DPD.
19620
19621         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19622         options, and that it is enabled for i386/x86_64 systems.
19623
19624         * Makefile.in (enable_decimal_float): New.
19625         (DECNUMFMT): New.
19626         (DECNUMINC): Add  -I$(DECNUMFMT).
19627         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19628         to $(DECNUMFMT) from $(DECNUM).
19629
19630         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19631         Substitute enable_decimal_float.
19632         * configure: Regenerated.
19633
19634         PR other/30529
19635         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19636         unsigned long.
19637
19638         * configure.ac: Enable decimal float for x86_64-*-linux*.
19639         * configure: Regenerated.
19640
19641         PR other/30530
19642         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19643         decimal128ClearSign to flip and clear the sign bit in decimal128.
19644         (decimal_real_maxval): Set decimal128SetSign to set the sign
19645         bit in decimal128.
19646
19647 2007-03-23  Ian Lance Taylor  <iant@google.com>
19648
19649         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19650
19651 2007-03-23  Ian Lance Taylor  <iant@google.com>
19652
19653         * tree-dump.c (dump_files): Correct comment.
19654
19655 2007-03-23  Ian Lance Taylor  <iant@google.com>
19656
19657         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19658
19659 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19660
19661         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19662         in cfglayout mode.  Don't go into and out of cfglayout mode.
19663         Link the blocks in the order of the constructed traces.
19664         (rest_of_handle_tracer): Adjust call to tracer.
19665         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19666         Don't go into cfglayout mode.
19667         (rtl_loop_done): Don't go out of cfglayout mode.
19668         * cfglayout.c (relink_block_chain): New function, split out from...
19669         (fixup_reorder_chain): ...here.  Remove redundant checking.
19670         (cfg_layout_finalize): Don't clear the header, footer, and aux
19671         fields here, move the code to do so to relink_block_chain.  Likewise
19672         for free_original_copy_tables.
19673         * rtl.h (tracer): Update prototype.
19674         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19675         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19676         mode.  Use relink_block_chain to serialize the CFG according to the
19677         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19678         here...
19679         (gate_handle_reorder_blocks): ...to here.
19680         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19681         from here...
19682         (gate_duplicate_computed_gotos): ...to here.
19683         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19684         something always changes when going into and out of cfglayout mode.
19685         Perform an expensive cfg cleanup while going into cfglayout mode.
19686         Always update liveness information on HAVE_conditional_execution
19687         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19688         * reg-stack.c: Include cfglayout.h.
19689         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19690         the call to reorder_basic_blocks.
19691         * basic-block.h (reorder_basic_blocks): Update prototype.
19692         (relink_block_chain): New prototype.
19693         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19694
19695 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19696
19697         * config/mips/mips.md (type, hazard, *movdi_32bit,
19698         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
19699         *movhi_internal, *movqi_internal, *movsf_hardfloat,
19700         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
19701         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
19702         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
19703         applicable.
19704         (movcc): Change first xfer to multi.
19705         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
19706         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
19707         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
19708         config/mips/generic.md: Change reservations using "xfer" to use
19709         "mfc,mtc".
19710         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
19711         using match_operand.
19712         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
19713         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
19714         examining mode.
19715         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
19716
19717 2007-03-22  Richard Henderson  <rth@redhat.com>
19718
19719         * config/i386/i386.c: Remove unnecessary function declarations.
19720         Move targetm definition, and all related macros, to the end of
19721         the file.  Resort some functions to put definitions before uses.
19722         (ix86_attribute_table): Make static.  Move to end of file.
19723         (ix86_gimplify_va_arg): Make static.
19724
19725 2007-03-22  Richard Henderson  <rth@redhat.com>
19726
19727         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
19728         don't increase local_regparm with force_align_arg_pointer check.
19729         (ix86_function_sseregparm): Assert 32-bit.
19730         (type_has_variadic_args_p): New.
19731         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
19732         type_has_variadic_args_p.
19733         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
19734         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
19735         use memset instead.  Do maybe_vaarg check first; skip attribute
19736         tests if true; skip attribute tests for 64-bit.
19737         (construct_container): Remove TARGET_DEBUG_ARG.
19738         (function_arg_advance_32, function_arg_advance_64): Split out ...
19739         (function_arg_advance): ... from here.
19740         (function_arg_32, function_arg_64): Split out ...
19741         (function_arg): ... from here.
19742         (ix86_pass_by_reference): Tidy.
19743         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
19744         (function_value_32): New, from parts of ix86_function_value
19745         and ix86_value_regno.
19746         (function_value_64): New, from parts of ix86_function_value
19747         and ix86_libcall_value.
19748         (ix86_function_value_1): New.
19749         (ix86_function_value, ix86_libcall_value): Use it.
19750         (return_in_memory_32, return_in_memory_64): Split out ...
19751         (ix86_return_in_memory): ... from here.
19752         (ix86_struct_value_rtx): Skip for 64-bit.
19753         (ix86_libcall_value, ix86_value_regno): Remove.
19754         (setup_incoming_varargs_64): Split out ...
19755         (ix86_setup_incoming_varargs): ... from here.
19756         (ix86_va_start): Remove TARGET_DEBUG_ARG.
19757         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
19758         * config/i386/i386-protos.h (ix86_function_value): Remove.
19759         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
19760
19761 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19762
19763         PR other/23572
19764         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
19765         infinities not supported, otherwise emit warning if -Woverflow. On
19766         underflow, emit warning if -Woverflow.
19767         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
19768         and 0 otherwise.
19769         * real.h (real_from_string): Update declaration
19770
19771 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
19772             Richard Henderson  <rth@redhat.com>
19773
19774         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
19775         * calls.c (compute_argument_block_size, expand_call,
19776         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
19777         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
19778         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
19779         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
19780         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
19781         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
19782         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
19783         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
19784         Set to 1.
19785
19786 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
19787
19788         * c-incpath.c (add_sysroot_to_chain): New.
19789         (merge_include_chains): Add sysroot argument.  Call
19790         add_sysroot_to_chain if sysrooted.
19791         (register_include_chains): Update call to merge_include_chains.
19792         * doc/cppopts.texi: Document use of '=' in include directory
19793         arguments.
19794
19795 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
19796
19797         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
19798         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
19799         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
19800         insn pattern using X87MODEF12 mode macro.
19801
19802 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
19803
19804         * regmove.c (regmove_optimize): Use reg_mentioned_p
19805         instead of reg_overlap_mentioned_p for DST.
19806
19807 2007-03-21  Mike Stump  <mrs@apple.com>
19808
19809         * c.opt: Fixup for Objective-C/C++.
19810
19811 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
19812
19813         * explow.c (convert_memory_address): Fold memory reference when
19814         POINTERS_EXTEND_UNSIGNED < 0
19815
19816 2007-03-21  Richard Henderson  <rth@redhat.com>
19817
19818         PR target/31245
19819         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
19820         * config/i386/mmintrin.h (__m64): Likewise.
19821         * config/i386/xmmintrin.h (__m128): Likewise.
19822
19823 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19824
19825         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
19826         (VXWORKS_OS_CPP_BUILTINS): Define.
19827         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
19828         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
19829
19830 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19831
19832         * rtl.h (constant_pool_reference_p): Delete.
19833         (find_constant_src): Declare.
19834         * rtlanal.c (find_constant_src): New function.
19835         * simplify-rtx.c (constant_pool_reference_p): Delete.
19836         * config/i386/i386.md: Use find_constant_src instead of
19837         constant_pool_reference_p/avoid_constant_pool_reference pairs.
19838
19839 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19840
19841         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
19842         * c-cppbuiltin.c (c_cpp_builtins): Define them.
19843
19844 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
19845
19846         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
19847         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
19848         (arm_elf_asm_constructor): Use it.
19849         (arm_elf_asm_destructor): New function.
19850
19851 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
19852
19853         * jump.c (mark_jump_label): Treat SEQUENCE specially.
19854
19855 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
19856
19857         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
19858
19859 2007-03-19  Andrew Haley  <aph@redhat.com>
19860
19861         PR tree-optimization/31264
19862         * tree-vrp.c (register_edge_assert_for_1): Don't look though
19863         VIEW_CONVERT_EXPRs.
19864
19865 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
19866
19867         PR rtl-optimization/30907
19868         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
19869         (fwprop_init): Always call loop_optimizer_initialize.
19870         (fwprop_done): Always call loop_optimizer_finalize.
19871         (fwprop): We always have loop info now.
19872         (gate_fwprop_addr): Remove.
19873         (pass_fwprop_addr): Use gate_fwprop as gate.
19874
19875         PR rtl-optimization/30841
19876         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
19877         df_chain_alloc): Call df_reorganize_refs unconditionally.
19878         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
19879         refs_organized to refs_organized_size.
19880         (df_ref_create_structure): Use refs_organized_size instead of
19881         bitmap_size if refs had been organized, and keep refs_organized_size
19882         up-to-date.
19883         * df.h (struct df_ref_info): Change refs_organized to
19884         refs_organized_size.
19885         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
19886         bitmap_size.
19887
19888 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
19889
19890         * except.c (output_function_exception_table): Do not reference the
19891         EH personality routine for functions that do not require an
19892         exception table.
19893
19894 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
19895
19896         PR c/30762
19897         * c-typeck.c (convert_for_assignment): Call comptypes for
19898         RECORD_TYPE or UNION_TYPE.
19899
19900         PR inline-asm/30505
19901         * reload1.c (reload): Do invalid ASM checking after
19902         cleanup_subreg_operands.
19903
19904 2007-03-19  Jeff Law  <law@redhat.com>
19905
19906         * tree-cfg.c (find_taken_edge): Tighten conditions for
19907         optimizing computed gotos.
19908
19909 2007-03-19  Michael Matz  <matz@suse.de>
19910
19911         * builtins.c (expand_builtin_sync_operation,
19912         expand_builtin_compare_and_swap,
19913         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
19914         correctly.
19915
19916         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
19917         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
19918         for operand 3.
19919
19920 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19921
19922         * doc/tm.texi: Add brackets around the return type of
19923         TARGET_SECONDARY_RELOAD.
19924
19925 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19926         Richard Guenther  <rguenther@suse.de>
19927
19928         PR tree-optimization/31254
19929         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
19930         Use handled_component_p () where appropriate.  Continue
19931         propagating into the rhs if we propagated into an INDIRECT_REF
19932         on the lhs.
19933
19934 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19935
19936         * config/s390/s390.md (op_type attribute): RRR instruction type added.
19937         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
19938         (xde, xdee): Mode attributes adjusted to support DFP modes.
19939         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
19940         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
19941         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
19942         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
19943         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
19944         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19945         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
19946         numbers.
19947         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
19948         "movsf"): Insn definitions removed.
19949         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
19950         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
19951         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
19952         definitions added.
19953         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
19954         "reload_in<mode>", "reload_out<mode>"): Expander added.
19955         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
19956         Expander removed.
19957
19958 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19959
19960         * config/s390/s390.md: Only non-functional changes.  Renamed
19961         FPR mode macro to BFP all over the file.
19962
19963 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19964
19965         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
19966         (op_type attribute): RRF instruction type added.
19967         (fT0): New mode attribute.
19968         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19969         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
19970         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
19971         instruction no secondary memory is needed when moving DFmode values
19972         between GPRs and FPRs.
19973
19974 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19975
19976         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
19977         inverted and documentation adjusted.
19978         ("mhard-dfp", "msoft-dfp"): New options.
19979         * config/s390/s390.c (s390_handle_arch_option): New architecture
19980         switch: z9-ec.
19981         (override_options): Sanity checks for the new options added.
19982         * config.gcc: New architecture switch: z9-ec.
19983         * config/s390/s390.h (processor_flags): PF_DFP added.
19984         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
19985         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
19986         when the bit is NOT set so remove it from the defaults.
19987
19988 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19989
19990         * genemit.c (main): Print include statement for dfp.h.
19991         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
19992         is not available.
19993
19994 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19995
19996         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
19997
19998 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
19999
20000         PR target/31022
20001         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
20002         instead of PATTERN.
20003
20004 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20005
20006         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
20007         attr_length_call, output_call, output_indirect_call): Cleanup
20008         formatting of targetm calls.
20009
20010 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20011
20012         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
20013
20014 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20015
20016         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20017         reservation, bypass and anti-bypass descriptions for these
20018         instructions.  Update move patterns.
20019         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20020         TYPE_FPSTORE.
20021
20022 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20023
20024         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20025         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20026         (get_initial_def_for_reduction): Likewise.
20027
20028 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20029
20030         Fix PR tree-optimization/29922
20031         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20032         (get_representative): Removed.
20033         (value_dies_in_block_x): Update for rvuse removal.
20034         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20035         (compute_antic_aux): Handle when PHI nodes appear in
20036         non-single-successors.
20037         (dump_bitmap_of_names): Removed.
20038         (compute_antic_safe): Renamed and removed rvuse calculation.
20039         Calculate only antic safe.
20040         (insert_into_preds_of_block): Remove assert.
20041         (execute_pre): Update for renamed functions.
20042         (defer_or_phi_translate_block): New function.
20043
20044 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20045
20046         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20047         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20048         typos.
20049         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20050         Follow spelling conventions.
20051
20052         * tree-data-ref.h: Remove the prototype for analyze_array.
20053
20054 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20055
20056         PR tree-optimization/31041
20057         * tree-vect-transform.c (get_initial_def_for_induction): Call
20058         force_gimple_operand.
20059
20060 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20061
20062         * ipa-type-escape.c (look_for_casts) : Revert code to use
20063         handled_component_p due to ada test a-numaux.adb.
20064
20065 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20066
20067         * final.c (final_scan_insn): Alter the condition of a
20068         conditional trap if we have nonstandard CC.
20069
20070 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20071
20072         * configure.ac: Remove excess quoting from asm line 0 test.
20073         * configure: Rebuilt.
20074
20075 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20076
20077         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20078         * c-common.c (convert_and_check): Move warning logic to...
20079         (warnings_for_convert_and_check): ...here. Define.
20080         * c-common.h (warnings_for_convert_and_check): Declare.
20081
20082 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20083
20084         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20085         (output_call): Likewise.
20086
20087 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20088
20089         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20090
20091 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20092
20093         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20094
20095 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20096
20097         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20098         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20099
20100 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20101
20102         PR tree-optimization/31183
20103         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20104         Use double_int instead of unsigned int for representing access_strides.
20105         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20106
20107 2007-03-16  Richard Guenther  <rguenther@suse.de>
20108
20109         PR tree-optimization/31146
20110         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20111         to allow recursion of forward_propagate_addr_expr.
20112         (forward_propagate_addr_into_variable_array_index): Likewise.
20113         (forward_propagate_addr_expr): Likewise.
20114         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20115         (forward_propagate_addr_expr_1): Recurse on simple copies
20116         instead of propagating into them.  Do so for useless conversions
20117         as well.
20118         (forward_propagate_addr_expr): Clean up unused statements after
20119         recursion.
20120
20121 2007-03-16  Richard Guenther  <rguenther@suse.de>
20122
20123         * builtins.c (expand_builtin_cexpi): Use the right argument
20124         for the expansion via cexp.
20125
20126 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20127
20128         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20129         * configure: Rebuilt.
20130
20131 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20132
20133         PR debug/29906
20134         * dwarf2out.c (force_type_die): Adjust comment.
20135         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20136
20137 2007-03-15  DJ Delorie  <dj@redhat.com>
20138
20139         * config/frv/predicates.md (minmax_operator): Don't check operands
20140         here.
20141
20142 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20143
20144         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20145         Update constant estimates of number of iterations.
20146         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20147         argument renamed to "realistic".
20148         (compute_estimated_nb_iterations): Removed.
20149         (record_niter_bound): New function.
20150         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20151         call record_nonwrapping_iv with upper = false.
20152         (infer_loop_bounds_from_signedness): Pass upper argument to
20153         record_nonwrapping_iv.
20154         (estimate_numbers_of_iterations_loop): Do not call
20155         compute_estimated_nb_iterations.  Record estimate based on profile
20156         information.  Initialize the constant estimates of number of
20157         iterations.
20158         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20159         estimates.
20160         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20161         number of iterations is too small.
20162         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20163         (EST_NOT_AVAILABLE): Removed.
20164         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20165         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20166         fields.
20167
20168 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20169
20170         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20171         Handle NE_EXPR guards.
20172
20173 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20174
20175         PR c++/24924
20176         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20177         Set also -pedantic-errors by default for the  preprocessor unless
20178         -fpermissive is given.
20179
20180 2007-03-15  Richard Guenther  <rguenther@suse.de>
20181
20182         PR middle-end/29719
20183         PR middle-end/31161
20184         * builtins.c (expand_builtin_cexpi): As a fallback if we
20185         don't have builtins for sincos or cexp create a function
20186         declaration for cexp and expand to a call to that.
20187         (expand_builtin_int_roundingfn): Always fall
20188         back to floor/ceil and its variants even if they may be
20189         not available.
20190
20191 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20192
20193         PR middle-end/31159
20194         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20195         jump tables, move the call to delete_dead_jumptables from here...
20196         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20197         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20198         don't allow merging of blocks that try_redirect_by_replacing_jump
20199         also does not handle when not optimizing.
20200
20201 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20202             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20203
20204         * config/i386/i386.md (x86_sahf_1): Correctly handle
20205         HAVE_AS_IX86_SAHF.
20206
20207 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20208
20209         PR target/31167
20210         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20211         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20212         from operand constraints and use "e" constraint instead.
20213         (*subti3_1, *subti3_1 splitter): Ditto.
20214         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20215         operand[1] predicate.
20216
20217 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20218
20219         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20220         arrays, multiply the access strides by the size of the sub-array.
20221         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20222
20223 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20224
20225         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20226         the configured assembler supports the sahf mnemonic.
20227         * configure: Regenerate.
20228         * config.in: Regenerate.
20229
20230         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20231         emit "sahf" or ".byte\t0x9e" as asm template.
20232
20233 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20234
20235         PR 31018
20236         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20237         option to replace hard coded TARGET_xxx in md file.
20238         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20239         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20240         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20241         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20242         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20243         (X86_TUNE_NOT_VECTORMODE): Ditto.
20244         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20245         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20246         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20247         (TUNE_SLOW_IMUL_IMM8): Ditto.
20248         (TUNE_MOVE_M1_VIA_OR): Ditto.
20249         (TUNE_NOT_UNPAIRABLE): Ditto.
20250         (TUNE_NOT_VECTORMODE): Ditto.
20251
20252         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20253         options.
20254
20255         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20256         tuning options instead of hard coded TARGET_xxx.
20257         (fix ssemode peephole2's): Ditto.
20258         (imul peephole2's): Ditto.
20259         (movsi_or): Ditto.
20260         (movdi_or_rex64): Ditto.
20261         (move peephole2): Ditto.
20262         (not peephole2's): Ditto.
20263
20264 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20265
20266         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20267         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20268         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20269         of empty body.
20270         * c-parser.c (c_parser_do_statement): Warn about empty body in
20271         do/while statement.
20272         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20273         * doc/invoke.texi (-Wempty-body): Update documentation.
20274
20275 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20276
20277         PR c/21438
20278         * c-common.h (warn_for_div_by_zero): Declare.
20279         * c-common.c (warn_for_div_by_zero): Define.
20280         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20281         warning.
20282
20283 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20284
20285         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20286         to PREFIX and STANDARD_PREFIX.
20287
20288 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20289             Phil Edwards  <phil@codesourcery.com>
20290
20291         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20292         (__gthread_once_t): Remove busy field for RTPs.
20293         (__GTHREAD_ONCE_INIT): Update accordingly.
20294
20295 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20296
20297         * doc/invoke.texi: Document VxWorks options.
20298
20299 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20300
20301         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20302
20303 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20304
20305         PR tree-optimization/30590
20306         * tree-nrv.c (tree_nrv): Check for the partial update of the
20307         return value.
20308
20309 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20310
20311         * flags.h (flag_random_seed): Remove declaration, in favor of...
20312         * toplev.h (get_random_seed, set_random_seed): ... these.
20313         * tree.c (get_file_function_name): Use the former.
20314         * opts.c (common_handle_option): Use the latter.
20315         * toplev.c
20316
20317 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20318
20319         PR middle-end/31127
20320         * cse.c (cse_find_path): Do not bail out if a basic block that
20321         we already visited now becomes part of a path that starts at a
20322         different basic block.  Just disallow this, to make sure we
20323         visit each basic block at most once.
20324
20325 2007-03-13  Jan Hubicka  <jh@suse.cz>
20326
20327         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20328         attributes, when profile esitmate is present, calls with very low
20329         frequency are cold.
20330
20331 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20332
20333         PR tree-optimization/30730
20334         PR tree-optimization/26900
20335         * tree-ssa-loop-niter.c: Include gmp.h.
20336         (bounds): New type.
20337         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20338         split_to_var_and_offset, determine_value_range,
20339         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20340         bound_difference, bounds_add, bounds_negate,
20341         number_of_iterations_ne_max, dump_affine_iv): New functions.
20342         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20343         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20344         difference of initial and final value of control iv to validate
20345         results.
20346         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20347         on the difference of the extremes of the control iv.  Add dumps.
20348         (expand_simple_operations): Handle phi nodes.
20349         (simplify_using_initial_conditions): Do not record used conditions.
20350         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20351         Do not set additional_info.
20352         (implies_nonnegative_p, implies_ge_p): Removed.
20353         (derive_constant_upper_bound): Do not use parameter `additional'.
20354         (record_estimate): Parameter `additional' removed.  Parameter
20355         `i_bound' added.  Do not call derive_constant_upper_bound.
20356         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20357         bound the number of iterations estimate.
20358         (estimate_numbers_of_iterations_loop): Pass the estimate from
20359         the number of iterations analysis to record_estimate.
20360         * tree.h (multiple_of_p): Declare.
20361         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20362         (scev_const_prop): Do not check expression_expensive_p.
20363         * fold-const.c (multiple_of_p): Exported.
20364         * double-int.c (double_int_mask): Exported.
20365         * double-int.h (double_int_mask): Declare.
20366         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20367         field.  Added max field.
20368
20369 2007-03-13  David Taylor  <taylor@candd.org>
20370
20371         PR driver/12448:
20372         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20373         default -MQ.
20374
20375 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20376
20377         PR target/31123
20378         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20379         two unamed patterns.
20380
20381 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20382
20383         * config/i386/i386.opt (mcx16, msahf): New options.
20384         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20385         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20386
20387         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20388         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20389         Output -mcx16 and -msahf options when corresponding bit is set.
20390
20391         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20392         and -msahf options.
20393
20394 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20395
20396         * configure.ac: Test for assembler tolerance to # 0 "".
20397         * configure, config.in: Rebuilt.
20398         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20399
20400 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20401
20402         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20403
20404         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20405         (handle_syscall): Handle direct system calls.
20406         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20407
20408 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20409
20410         * doc/invoke.texi: Fix cpp.info cross-reference.
20411         * doc/passes.texi: Fix gcc.info cross-reference.
20412
20413 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20414
20415         PR tree-optimization/30835
20416         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20417         bb_for_stmt is not NULL before accessing it.
20418
20419 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20420
20421         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20422         some multilibs.
20423
20424 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20425
20426         PR 30635
20427         * doc/install.texi: Document --enable-stage1-languages
20428
20429 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20430
20431         * tree-pass.h (pass_into_cfg_layout_mode,
20432         pass_outof_cfg_layout_mode): Declare.
20433         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20434         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20435         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20436         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20437
20438 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20439
20440         * c-decl.c (warn_variable_length_array): New function.
20441         Refactored from grokdeclarator to handle warn_vla
20442         and handle unnamed array case.
20443         (grokdeclarator): Refactored VLA warning case.
20444         * c.opt (Wvla): New flag.
20445         * doc/invoke.texi (Wvla): New warning.
20446
20447 2007-03-12  Richard Henderson  <rth@redhat.com>
20448
20449         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20450         (TARGET_SECTION_TYPE_FLAGS): New.
20451
20452 2007-03-12  Richard Henderson  <rth@redhat.com>
20453
20454         * config/darwin.c (machopic_reloc_rw_mask): New.
20455         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20456         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20457
20458 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20459
20460         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20461         * cppdefault.h (cpp_PREFIX): Document.
20462         (cpp_PREFIX_len): Likewise.
20463         (cpp_EXEC_PREFIX): New variable.
20464         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20465         * c-incpath.c (add_standard_paths): Correct logic for relocating
20466         paths within prefix.
20467
20468 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20469
20470         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20471         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20472         mode macro.
20473         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20474         fix_truncdfdi_sse using SSEMODEF mode macro.
20475         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20476         fix_truncdfsi_sse using SSEMODEF mode macro.
20477         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20478         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20479
20480 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20481
20482         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20483         elfos.h to tm_file.
20484
20485 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20486
20487         * tree.h : Add multiple_of_p declaration.
20488         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20489         * ipa-type-escape.c (results_of_malloc): Redundant.
20490         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20491         (cast_type): Extended with new members.
20492         (check_cast): Returns cast_type.
20493         (cast): New structure for data of walk_use_def_chains.
20494         (is_malloc_result, is_cast_from_non_pointer_1,
20495         is_cast_from_non_pointer,
20496         is_array_access_through_pointer_and_index): New functions.
20497         (look_for_casts): Returns cast types.
20498         (check_call): Returns void.
20499         (okay_pointer_operation): Use support of pointer plus index,
20500         pointer plus constant and allow all multiplications.
20501
20502 2007-03-11  Richard Guenther  <rguenther@suse.de>
20503
20504         PR tree-optimization/31115
20505         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20506         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20507         A shift count of zero is not special as with *_DIV_EXPR.
20508         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20509         direction.
20510
20511 2007-03-11  Ian Lance Taylor  <iant@google.com>
20512
20513         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20514         the *_DIV_EXPR codes correctly with overflow infinities.
20515
20516 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20517
20518         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20519         indicate success/failure of the analysis. Add negation to subtrahend
20520         in case of subtraction. Fail if both operands contain constants.
20521         (create_data_ref): Fail if analyze_offset fails.
20522
20523 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20524
20525         * config/i386/i386.md (frndintxf2): Rename to ...
20526         (rintxf2): ... this. Remove expander having same name.
20527         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20528         (roundsf2, rounddf2): Ditto.
20529         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20530         (lround<mode>di2, lround<mode>si2): Ditto.
20531
20532 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20533
20534         * lower-subreg.c: Include except.h.
20535         (decompose_multiword_subregs): Verify that the only control flow
20536         insns we can split are loads to multi-words pseudos.
20537         Handle breaking such blocks after splitting, instead of calling
20538         find_many_sub_basic_blocks.
20539
20540         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20541         on the new basic block.  Add a lengthy comment explaining why we
20542         thought this was necessary.
20543         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20544
20545 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20546
20547         PR c++/30924
20548         * tree.c (walk_type_fields): Recurse into the element type of
20549         ARRAY_TYPEs if there is a pointer set.
20550
20551 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20552
20553         * c-common.c (warn_logical_operator): Fix condition.
20554
20555 2007-03-10  Tobias Schl�ter  <tobi@gcc.gnu.org>
20556
20557         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20558         quotation mark.
20559         * config/darwin.c (machopic_select_section): Remove superfluous
20560         argument in call to categorize_decl_for_section.  Remove unused
20561         variable shlib.
20562
20563 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20564
20565         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20566         defined.
20567         * configure: Regenerate.
20568
20569 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20570
20571         PR target/31101
20572         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20573         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20574         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20575         Add LABEL_NUSES to emitted label.
20576         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20577         branch probability value to emitted jump insn.
20578         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20579         Do not check life information and do not re-arrange input operands
20580         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20581
20582 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20583
20584         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20585         the change of decode_asm_operands.
20586
20587 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20588
20589         * mode-switching.c (create_pre_exit): Skip blockage insn.
20590
20591 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20592
20593         * tree-pass.h (TODO_update_smt_usage): Remove.
20594         Update all users.
20595         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20596         argument SOME.
20597         Update all users.
20598
20599 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20600
20601         * pa.c (attr_length_call): Revise condition for long
20602         pc-relative branch.
20603         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20604         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20605         sequence on SOM target.
20606
20607 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20608
20609         * gcc.c: Document %{, in big comment at top.
20610         (input_suffix_matches): Remove special handling for .s and
20611         .S.
20612         (input_spec_matches): New.
20613         (handle_braces): Handle %{,.
20614         (validate_switches): ',' indicates a value which is not a switch.
20615         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20616         to detect assembler input.
20617         * config/i386/sol2.h (CPP_SPEC): Likewise.
20618         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20619         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20620         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20621         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20622         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20623         -m64 causes deployment target to default to 10.5.
20624         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20625
20626 2007-03-09  Richard Henderson  <rth@redhat.com>
20627
20628         PR target/26090
20629         * target.h (targetm.asm.out.reloc_rw_mask): New.
20630         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20631         (TARGET_ASM_OUT): Use it.
20632         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20633         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20634         use the new reloc_rw_mask target hook instead.
20635         (default_section_type_flags_1): Merge into...
20636         (default_section_type_flags): ... here.
20637         (decl_readonly_section_1): Merge into...
20638         (decl_readonly_section): ... here.
20639         (default_elf_select_section_1): Merge into...
20640         (default_elf_select_section): ... here.
20641         (default_unique_section_1): Merge into...
20642         (default_unique_section): ... here.
20643         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20644         (default_select_rtx_section): Use it.
20645         (default_elf_select_rtx_section): Likewise.
20646         * output.h: Update to match.
20647         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20648         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20649         (TARGET_ASM_RELOC_RW_MASK): New.
20650         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20651         to categorize_decl_for_section.
20652         (x86_64_elf_unique_section): Likewise.
20653         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20654         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20655         (TARGET_ASM_RELOC_RW_MASK): New.
20656         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20657         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20658         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20659         (TARGET_RWRELOC): Remove.
20660         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20661         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20662         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20663         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20664         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20665         (rs6000_xcoff_select_section): Use decl_readonly_section.
20666         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20667         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20668         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20669         (TARGET_SECTION_TYPE_FLAGS): Remove.
20670         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20671
20672 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20673
20674         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20675         complex constant equality/inequality comparisons for here.
20676         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20677         known at compile-time or can be simplified to a scalar comparison.
20678         (fold_relational_const): Move compile-time evaluation of complex
20679         constant equality/inequality comparisons to here.
20680
20681 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20682
20683         PR rtl-optimization/30643
20684         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20685         dest_addr_elt.
20686         (fold_rtx): Recurse, like before 2006-11-03.
20687
20688 2007-03-09  DJ Delorie  <dj@redhat.com>
20689
20690         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20691         m32c-pragma.o.
20692
20693 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20694
20695         PR tree-optimization/30375
20696         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
20697         LHS of statements is not the same.
20698         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
20699
20700 2007-03-09  Chao-ying Fu  <fu@mips.com>
20701
20702         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
20703         REV 2.
20704         * doc/invoke.texi (-mdspr2): Document new option.
20705         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
20706         New unspec for DSP REV 2.
20707         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
20708         these instructions are extended in DSP REV 2.
20709         (mips-dspr2.md): Include.
20710         * config/mips/mips.opt (mdspr2): New option.
20711         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
20712         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
20713         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
20714         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
20715         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
20716         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
20717         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
20718         and 2 builtins.
20719         (bdesc_map): Add one field of unsupported_target_flags.
20720         (bdesc_arrays): Update entries to have extra fields.  Add
20721         dsp_32only_bdesc.
20722         (mips_init_builtins): Initialize new function types.
20723         Check unsupported_target_fileds to filter out builtins.
20724         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
20725         TARGET_DSPR2.
20726         (ASM_SPEC): Pass mdspr2 to the assembler.
20727         * config/mips/mips-dspr2.md: New file.
20728
20729 2007-03-09  Sa Liu  <saliu@de.ibm.com>
20730
20731         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
20732
20733 2007-03-09  Ian Lance Taylor  <iant@google.com>
20734
20735         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
20736         argument) like -Wstrict-overflow=2.
20737         * doc/invoke.texi (Warning Options): Update documentation.
20738
20739 2007-03-09  Dirk Mueller  <dmueller@suse.de>
20740
20741         PR c++/17946
20742         * doc/invoke.texi (-Wlogical-op): Document.
20743         * common.opt (-Wlogical-op): New.
20744         * c-common.h (warn_logical_operator): Declare.
20745         * c-common.c (warn_logical_operator): Define.
20746         * c-typeck.c (parser_build_binary_op): Call
20747         warn_logical_operator.
20748
20749 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20750
20751         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
20752         * final.c (final_scan_insn): Test for non-"" file name.
20753
20754 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
20755
20756         * doc/loop.texi: Document the Omega linear constraints solver.
20757         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
20758         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
20759         omega-hash-table-size, omega-max-keys, and
20760         omega-eliminate-redundant-constraints.
20761         * tree-pass.h (pass_check_data_deps): Declared.
20762         * omega.c: New.
20763         * omega.h: New.
20764         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
20765         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
20766         pass_check_data_deps): New.
20767         * tree-data-ref.c (init_data_ref): Remove declaration.
20768         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
20769         (analyze_array): Renamed init_array_ref, move up initializations.
20770         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
20771         Removed arguments that are set to NULL.
20772         (analyze_indirect_ref): Correct indentation, correct call to
20773         init_pointer_ref.
20774         (object_analysis): Call init_array_ref instead of analyze_array.
20775         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
20776         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
20777         of DR_ACCESS_FNS_ADDR.
20778         (init_omega_eq_with_af, omega_extract_distance_vectors,
20779         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
20780         ddr_consistent_p): New.
20781         (compute_affine_dependence): Check consistency of ddrs when
20782         flag_check_data_deps is passed.
20783         (analyze_all_data_dependences): Uncomment.
20784         (tree_check_data_deps): New.
20785         * tree-data-ref.h: Include omega.h.
20786         (DR_ACCESS_FNS_ADDR): Removed.
20787         (data_dependence_relation): Add inner_loop.
20788         (DDR_INNER_LOOP): New.
20789         * common.opt (fcheck-data-deps): New.
20790         * tree-flow.h (tree_check_data_deps): Declare.
20791         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
20792         (OBJS-common): Depend on omega.o.
20793         (omega.o): Define.
20794         * passes.c (pass_check_data_deps): Scheduled.
20795         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
20796         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
20797         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
20798         PARAM_VECT_MAX_VERSION_CHECKS,
20799         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
20800
20801 2007-03-09  Richard Guenther  <rguenther@suse.de>
20802
20803         PR tree-optimization/30904
20804         PR middle-end/31058
20805         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
20806         the same way as *_DIV_EXPR.
20807
20808 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20809
20810         * recog.c (decode_asm_operands): No mixed declarations and code.
20811
20812 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20813
20814         * rtl.def (ASM_INPUT): Add location.
20815         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
20816         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
20817         (decode_asm_operands): Add loc operand.
20818         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
20819         * stmt.c (expand_asm): Rename to...
20820         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
20821         gen_rtx_ASM_INPUT_loc.
20822         (expand_asm_expr): Adjust.
20823         * recog.c (decode_asm_operands): Add loc operand.
20824         (check_asm_operands, extract_insn): Adjust.
20825         * reload1.c (maybe_fix_stack_asms): Likewise.
20826         * final.c (asm_insn_count): Likewise.
20827         (final_scan_insn): Output # line before and after asm.
20828
20829 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
20830
20831         * tree-ssa-structalias.c (variable_info): Remove
20832         finished_solution.
20833         (new_var_info): Ditto.
20834         (shared_bitmap_info_t): New structure.
20835         (shared_bitmap_table): New variable.
20836         (shared_bitmap_hash): New function.
20837         (shared_bitmap_eq): Ditto
20838         (shared_bitmap_lookup): Ditto.
20839         (shared_bitmap_add): Ditto.
20840         (merge_smts_into): Change to take bitmap directly.
20841         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
20842         (init_alias_vars): Init shared bitmap hashtable.
20843         (delete_points_to_sets): Delete shared bitmap hashtable.
20844         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
20845         is_aliased removal as a change that was still necessary was
20846         deleted.
20847
20848 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
20849
20850         * config/i386/i386.h (override_options): Conditionally disable
20851         x86_sahf for 64bit targets only.
20852
20853 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20854
20855         PR C/31072
20856         * c-decl.c (merge_decls): Don't call make_var_volatile.
20857         * varasm.c (make_var_volatile): Remove.
20858         * output.h (make_var_volatile): Remove.
20859
20860 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
20861
20862         PR tree-optimization/31085
20863         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
20864
20865 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20866
20867         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
20868         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
20869         ATTR_CONST_NOTHROW_LIST.
20870
20871         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
20872         FIX_TRUNC_EXPR.
20873
20874 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
20875
20876         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
20877
20878 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
20879
20880         PR 31013
20881         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
20882         is declared.
20883         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
20884         passed, use shared libgcc.
20885
20886 2007-03-08  Roger Sayle  <roger@eyesopen.com>
20887
20888         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
20889         instead of calling build2 with a GIMPLE_MODIFY_STMT.
20890         (honor_protect_cleanup_actions, lower_try_finally_switch):
20891         Likewise.
20892         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
20893         ifc_temp_var): Likewise.
20894         * tree-inline.c (setup_one_parameter): Likewise.
20895         * tree-mudflap.c (mf_decl_cache_locals,
20896         mf_build_check_statement_for): Likewise.
20897         * tree-nested.c (init_tmp_var, save_tmp_var,
20898         finalize_nesting_tree_1): Likewise.
20899         * tree-outof-ssa.c (insert_copy_on_edge,
20900         insert_backedge_copies): Likewise.
20901         * tree-profile.c (tree_gen_edge_profiler,
20902         tree_gen_ic_profiler): Likewise.
20903         * tree-scalar-evolution.c (scev_const_prop): Likewise.
20904         * tree-sra.c (sra_build_assignment): Likewise.
20905         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
20906         * tree-ssa-math-opts.c (insert_reciprocals,
20907         execute_cse_sincos_1): Likewise.
20908         * tree-tailcall.c (adjust_accumulator_values,
20909         adjust_return_value): Likewise.
20910         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
20911         * tree-vect-transform.c (vect_create_data_ref_ptr,
20912         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
20913         vect_create_epilog_for_reduction, vectorizable_reduction,
20914         vectorizable_call, vectorizable_conversion,
20915         vectorizable_assignment, vectorizable_operation,
20916         vectorizable_type_demotion, vect_gen_widened_results_half,
20917         vect_permute_store_chain, vectorizable_store,
20918         vect_setup_realignment, vect_permute_load_chain,
20919         vectorizable_load, vectorizable_condition,
20920         vect_create_cond_for_align_checks): Likewise.
20921         * tree-vrp.c (build_assert_expr_for): Likewise.
20922
20923 2007-03-08  Ian Lance Taylor  <iant@google.com>
20924
20925         * tree-vrp.c: Include "intl.h".
20926         (usable_range_p): New static function.
20927         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
20928         overflowed values, juts set *strict_overflow_p.
20929         (compare_values): Only return -2 if one of the operands is not a
20930         constant.
20931         (compare_ranges): Call usable_range_p.
20932         (compare_range_with_value): Likewise.
20933         (vrp_evaluate_conditional_warnv): Rename from
20934         vrp_evaluate_conditional.  Make static.  Change all callers.
20935         (vrp_evaluate_conditional): New function.
20936         (simplify_div_or_mod_using_ranges): Issue warning about reliance
20937         on signed overflow.
20938         (simplify_abs_using_ranges): Likewise.
20939         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
20940         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
20941         within_stmt parameter.
20942         * tree-ssa-propagate.c (fold_predicate_in): Update call to
20943         vrp_evaluate_conditional.
20944         * tree-ssa-threadedge.c
20945         (record_temporary_equivalences_from_stmts_at_dest): Change
20946         simplify parameter to take a second tree parameter.
20947         (simplify_control_stmt_condition): Likewise.
20948         (thread_across_edge): Likewise.
20949         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
20950         (thread_across_edge): Likewise.
20951         * Makefile.in (tree-vrp.o): Depend upon intl.h.
20952
20953 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
20954
20955         * config/i386/i386.h (TARGET_SAHF): New define.
20956         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
20957         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
20958         (x86_sahf): New global variable.
20959         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
20960         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
20961         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
20962         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
20963         for 64-bit.
20964         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
20965         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
20966         when expanding fcomi/sahf based tests.
20967         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
20968         expanding sahf based alternative. Emit sahf based sequence when
20969         optimizing for code size.
20970         * config/i386/i386.md (x86_sahf_1): Do not disable for
20971         TARGET_64BIT, enable for TARGET_SAHF.
20972
20973 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
20974
20975         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
20976         spurious whitespace from error message.
20977
20978 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
20979
20980         PR c++/30852
20981         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
20982
20983 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
20984
20985         * c-decl.c (grokdeclarator): Disable warnings for anonymous
20986         bitfields.
20987         * tree-sra.c (instantiate_element): Propagate disabled warnings
20988         from the element itself to the created variable.
20989
20990 2007-03-07  Richard Henderson  <rth@redhat.com>
20991
20992         PR target/30848
20993         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
20994         silently fix up the stack in the case of a missing register.
20995
20996 2007-03-07  Paul Brook  <paul@codesourcery.com>
20997
20998         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
20999
21000 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
21001
21002         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
21003         New.
21004         (phase1_vrs): Use them.
21005         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
21006         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
21007         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
21008         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
21009         __gnu_Unwind_Restore_WMMXC if required.
21010         (_Unwind_VRS_Pop): Implement iWMMXt support.
21011         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
21012         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
21013         gnu_Unwind_Save_WMMXC): Define.
21014
21015 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21016
21017         * config/vxworks.h (vxworks_override_options): Declare.
21018         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21019         * config/vxworks.c: Include target.h and toplev.h.
21020         (vxworks_override_options): New function.
21021         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21022
21023 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21024
21025         * config/s390/s390.c (override_options): Don't emit an error when
21026         -mstack-size is used without providing -mstack-guard.
21027         (s390_emit_prologue): Choose stack_guard value automatically if not
21028         provided via command line.
21029         * doc/invoke.texi: Adjust description of -mstack-guard and
21030         -mstack-size.
21031
21032 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21033
21034         * config/i386/i386.c (output_set_got): Add a GOT initialization
21035         sequence for VxWorks PIC.
21036         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21037         around labels as well as symbols.  Use gotoff_operand instead
21038         of local_symbolic_operand.
21039         (legitimize_pic_address): Use gotoff_operand instead of
21040         local_symbolic_operand.  Use @GOT accesses for labels as
21041         well as symbols.
21042         (ix86_output_addr_diff_elt): Use PC-relative rather than
21043         GP-relative offsets for VxWorks PIC.
21044         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21045         no_new_pseudos.  Check whether the returned register is op0.
21046         * config/i386/i386.md (tablejump): Use PC-relative rather than
21047         GP-relative offsets for VxWorks PIC.
21048         * config/i386/predicates.md (gotoff_operand): New predicate.
21049
21050 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21051
21052         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21053         before defining.
21054         * config/vxworks-dummy.h: New file.
21055         * config/i386/i386.h: Include it.
21056
21057 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21058
21059         * dwarf2out.c (is_inlined_entry_point): New
21060         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21061         DW_AT_ranges if the first subblock is the entry point.
21062
21063 2007-03-06  David Daney  <ddaney@avtrex.com>
21064
21065         * doc/install.texi (mips-*-*): Change recommended binutils
21066         version.
21067
21068 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21069
21070         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21071         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21072         devices.
21073         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21074         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21075
21076 2007-03-06  Jan Hubicka  <jh@suse.cz>
21077
21078         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21079         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21080         functions are hot.
21081         (probably_cold_bb_p): Cold functions are cold.
21082         (probably_never_executed_bb_p): Cold functions are cold.
21083         (tree_bb_level_predictions): Predict calls to cold functions as not
21084         taken.
21085         (compute_function_frequency): Check hot/cold attributes.
21086         * function.h (function_frequency): Update comments.
21087         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21088         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21089         (c_common_att): Add cold and hot.
21090
21091         * doc/extend.texi (hot,cold attributes): Document.
21092
21093 2007-03-06  Andrew Haley  <aph@redhat.com>
21094
21095         * function.c (expand_function_end): Move blockage to just after we
21096         emit the label for the naked return from the function.
21097
21098 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21099
21100         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21101         before redefining.
21102
21103 2007-03-06  Jan Hubicka  <jh@suse.cz>
21104
21105         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21106         loaded for constant large models.  Non-large 64bit PIC can do.
21107         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21108         * cmodel.h: Add LARGE PIC.
21109         * i386.md (UNSPEC_PLTOFF): New.
21110         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21111         unspecs as needed.
21112         (*call_1_rex64): Disable for large models.
21113         (*call_1_rex64_large): New.
21114         (*call_value_1_rex64): Disable for large models.
21115         (*call_value_1_rex64_large): New.
21116         (set_rip_rex4): New.
21117         (set_got_offset_rex64): New.
21118         * predicates.md (constant_call_address_operand): For large model
21119         constant calls are not possible.
21120         * i386-protos.h (construct_plt_address): Declare.
21121         * i386.c (override_options): Accept large models.
21122         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21123         (legitimate_constant_p): Add new UNSPECs.
21124         (legitimate_pic_operand_p): Likewise.
21125         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21126         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21127         non-large model.
21128         (output_pic_addr_const): Add PLTOFF.
21129         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21130         (ix86_expand_move): Legitimize pic address when in PIC mode.
21131         (construct_plt_address): New function.
21132         (ix86_expand_call): Offload the address to register and use GOT
21133         pointer for large model.
21134         * invoke.texi (mcmodel=large): Update documentation.
21135
21136 2007-03-06  Richard Henderson  <rth@redhat.com>
21137
21138         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21139         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21140         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21141         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21142         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21143         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21144         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21145         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21146         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21147         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21148         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21149         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21150         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21151         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21152         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21153         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21154         x86_schedule, x86_use_bt, x86_pad_returns,
21155         x86_use_xchgb): Merge into ...
21156         (ix86_tune_features): ... here.  New array.
21157         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21158         x86_bswap): Merge into ...
21159         (ix86_arch_features): ... here.  New array.
21160         (x86_3dnow_a): Remove.
21161         (x86_accumulate_outgoing_args): Make static.
21162         (x86_arch_always_fancy_math_387): Make static.
21163         (ix86_tune_mask, ix86_arch_mask): Move ...
21164         (override_options): ... to local variables here.  Apply the
21165         appropriate mask to each element of ix86_arch_features and
21166         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21167         as were done in the old macros.
21168         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21169         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21170         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21171         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21172         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21173         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21174         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21175         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21176         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21177         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21178         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21179         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21180         x86_accumulate_outgoing_args, x86_prologue_using_move,
21181         x86_epilogue_using_move, x86_decompose_lea,
21182         x86_arch_always_fancy_math_387, x86_shift1,
21183         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21184         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21185         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21186         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21187         x86_use_incdec, x86_pad_returns, x86_bswap,
21188         x86_partial_flag_reg_stall): Remove.
21189         (enum ix86_tune_indices): New.
21190         (ix86_tune_features): New.
21191         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21192         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21193         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21194         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21195         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21196         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21197         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21198         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21199         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21200         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21201         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21202         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21203         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21204         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21205         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21206         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21207         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21208         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21209         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21210         TARGET_EXT_80387_CONSTANTS): Use it.
21211         (enum ix86_arch_indices): New.
21212         (ix86_arch_features): New.
21213         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21214         TARGET_BSWAP): Use it.
21215         (ix86_tune_mask, ix86_arch_mask): Remove.
21216
21217 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21218
21219         PR bootstrap/31020
21220         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21221         Define using $${sysroot_headers_suffix}.
21222         * configure: Regenerate.
21223         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21224         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21225         defined.
21226         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21227         * gcc.c (print_sysroot_headers_suffix): New.
21228         (option_map): Include --print-sysroot-headers-suffix.
21229         (display_help): Mention -print-sysroot-headers-suffix.
21230         (process_command): Handle -print-sysroot-headers-suffix.
21231         (do_spec_1): Append multilib directory to include-fixed path if
21232         sysroot suffixes in use.
21233         (main): Handle -print-sysroot-headers-suffix.
21234         * Makefile.in (start.encap): Don't depend on xlimits.h
21235         (xlimits.h): Remove.
21236         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21237         limits.h for each multilib in fixinc_list.
21238         (fixinc_list, s-fixinc_list): New.
21239         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21240         generate them for each multilib in fixinc_list.
21241         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21242         multilib in fixinc_list.
21243         (mostlyclean): Don't remove xlimits.h.
21244         (clean): Remove include-fixed.
21245         (real-install-headers-tar, real-install-headers-cpio,
21246         real-install-headers-cp): Don't copy include, only include-fixed.
21247         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21248         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21249         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21250         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21251
21252 2007-03-06  Jan Hubicka  <jh@suse.cz>
21253
21254         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21255         NANs easilly.
21256
21257 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21258
21259         * configure.ac: Allow tm_file to contain build-directory files.
21260         * configure: Regenerate.
21261         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21262         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21263         * config/m68k/print-sysroot-suffix.sh: New file.
21264
21265 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21266
21267         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21268         of pic_offset_table_rtx if reload_completed.
21269         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21270         PIC_OFFSET_TABLE_REGNUM.
21271         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21272         return true.
21273         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21274         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21275
21276 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21277
21278         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21279         functions that call eh_return.
21280
21281 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21282
21283         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21284         functions that need a constant pool.
21285
21286 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21287
21288         PR target/28181
21289         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21290         (m68k_preferred_reload_class): Likewise.
21291         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21292         (SECONDARY_RELOAD_CLASS): Define.
21293         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21294         (LIMIT_RELOAD_CLASS): Delete.
21295         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21296         registers from storing bytes.
21297         (m68k_secondary_reload_class): New function.
21298         (m68k_preferred_reload_class): Likewise.
21299
21300 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21301
21302         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21303         leaf functions.
21304         (m68k_expand_prologue): Likewise.
21305
21306 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21307
21308         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21309         (mips_expand_epilogue): Add a bool parameter.
21310         (m68k_legitimize_sibcall_address): Declare.
21311         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21312         (m68k_expand_epilogue): Add a parameter to select between sibling
21313         and normal epilogues.  Only generate a return for the latter.
21314         (m68k_ok_for_sibcall_p): New function.
21315         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21316         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21317         (sibcall_value, *sibcall_value): Likewise.
21318         (*call, *call_value): Require !SIBLING_CALL_P.
21319         (epilogue): Update call to m68k_expand_epilogue.
21320         (sibcall_epilogue): New pattern.
21321         * config/m68k/predicates.md (const_call_operand): Say that this
21322         predicate applies to sibling calls too.
21323         (sibcall_operand): New predicate.
21324
21325 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21326
21327         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21328         alternatives as movsi_cf.
21329         (movsf_cf_hard): Add commentary.
21330
21331 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21332             Richard Sandiford  <richard@codesourcery.com>
21333
21334         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21335         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21336         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21337         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21338         as being live on exit from an interrupt function.
21339         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21340         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21341         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21342         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21343         (m68k_interrupt_function_p): Globalize.
21344         (m68k_compute_frame_layout): Remove reverse mask code.
21345         (m68k_emit_movem, m68k_set_frame_related): New functions.
21346         (m68k_output_function_prologue): Delete in favor of...
21347         (m68k_expand_prologue): ...this new function.
21348         (m68k_output_function_epilogue): Delete in favor of...
21349         (m68k_expand_epilogue): ...this new function.
21350         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21351         functions.
21352         (print_operand): Handle %?.
21353         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21354         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21355         (prologue, epilogue): New patterns.
21356         (return): Turn into a define_expand.
21357         (*return): New pattern, derived from old "return" pattern.  Use rte
21358         rather than rts for interrupt functions.  Only use rtd if the pop
21359         count is nonzero.
21360         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21361         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21362         (link, *link, unlink, *unlink, load_got): Likewise.
21363
21364 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21365
21366         PR target/23482
21367         PR target/17114
21368         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21369         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21370         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21371         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21372         and m68k_matches_u_p.
21373         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21374         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21375         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21376         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21377         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21378         (REG_STRICT_P): New macro.
21379         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21380         PCREL_GENERAL_OPERAND_OK.
21381         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21382         m68k_legitimate_base_reg_p.
21383         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21384         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21385         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21386         * config/m68k/m68k.c (m68k_address): New structure.
21387         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21388         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21389         (m68k_jump_table_ref_p, m68k_decompose_address)
21390         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21391         (m68k_matches_u_p): New functions.
21392         (print_operand_address): Rewrite to use m68k_decompose_index.
21393
21394 2007-03-05  David Taylor  <dtaylor@emc.com>
21395
21396         * gcc.c: Correct copyright date in --version output.
21397
21398 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21399
21400         * pa.md: In unamed move patterns, disparge copies between general
21401         and floating point registers using '?' modifier.  Don't include 'f'
21402         constraint for register preferences in DImode, SImode, HImode and
21403         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21404         Remove constraints for copies between general and floating registers
21405         in soft-float DFmode pattern.
21406         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21407         floating register.
21408         (movsf): Likewise.
21409
21410 2007-03-05  Mike Stump  <mrs@apple.com>
21411
21412         * c-common.c (targetcm): Add.
21413         * c-opts.c (c_common_handle_option): Handle language specific
21414         target options.
21415         * opts.c (handle_option): Verify language for target options, if
21416         any are given.
21417         * opth-gen.awk: Add CL_LANG_ALL.
21418         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21419         (TARGETCM_INITIALIZER): Add.
21420         * target.h (struct gcc_targetcm): Add.
21421         (targetcm): Add.
21422         * targhooks.c (default_handle_c_option): Add.
21423         * targhooks.h (default_handle_c_option): Add.
21424         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21425
21426         * config/darwin.opt (iframework): Add.
21427         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21428         * config/darwin-c.c (handle_c_option): Add.
21429         (TARGET_HANDLE_C_OPTION): Add.
21430         (targetcm): Add.
21431         * doc/invoke.texi (Darwin Options): Add -iframework.
21432
21433 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21434
21435         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21436         conversion.
21437
21438 2007-03-05  Ian Lance Taylor  <iant@google.com>
21439
21440         * c.opt (fgnu89-inline): New option.
21441         * c-opts.c (c_common_post_options): Set default value for
21442         flag_gnu89_inline.
21443         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21444         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21445         inline functions.
21446         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21447         (grokdeclarator, start_function): Likewise.
21448         * c-cppbuiltin.c (c_cpp_builtins): Define either
21449         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21450         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21451         (C Dialect Options): Document -fgnu89-inline.
21452         * doc/extend.texi (Function Attributes): Explain what the
21453         gnu_inline attribute does.
21454         * doc/cpp.texi (Common Predefined Macros): Document
21455         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21456
21457 2007-03-05  Ian Lance Taylor  <iant@google.com>
21458
21459         PR tree-optimization/31034
21460         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21461         half-range if the other side is an overflow infinity.
21462
21463 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21464
21465         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21466         (bfin*-linux-uclibc*): New configuration.
21467         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21468         defining.
21469         * config/bfin/linux.h: New file.
21470         * config/bfin/libgcc-bfin.ver: New file.
21471         * config/bfin/t-bfin-uclinux: New file.
21472         * config/bfin/t-bfin-linux: New file.
21473         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21474         (TARGET_OS_CPP_BUILTINS): New macro.
21475
21476 2007-03-05  Richard Guenther  <rguenther@suse.de>
21477
21478         * fold-const.c (fold_binary): Remove duplicate folding
21479         of comparison of non-null ADDR_EXPR against null.
21480
21481 2007-03-05  Richard Guenther  <rguenther@suse.de>
21482             Dorit Nuzman  <dorit@il.ibm.com>
21483
21484         PR tree-optimization/26420
21485         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21486         are no loops in the function.  Only print the number of
21487         vectorized loops if it is greater than zero or we are supposed
21488         to print information about unvectorized loops.
21489
21490 2007-03-05  Revital Eres  <eres@il.ibm.com>
21491
21492         * gcc.dg/var-expand1.c: New test.
21493         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21494         when an accumulator is expanded.
21495
21496 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21497
21498         PR other/30465
21499         * c-common.c (convert_and_check): Don't give warnings for
21500         conversion if 'expr' already overflowed.
21501
21502 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21503
21504         PR middle-end/30744
21505         * fold-const.c (fold_comparison): Enforce type consistency when
21506         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21507
21508 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21509
21510         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21511         containing a cast to the base of TARGET_MEM_REF.
21512
21513 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21514
21515         * tree.c (tree_contains_struct_check_failed): Remove spurious
21516         whitespace from error message.
21517
21518 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21519
21520         PR target/30406
21521         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21522         instead of precision.
21523
21524 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21525             Nathan Sidwell  <nathan@codesourcery.com>
21526
21527         * emit-rtl.c (find_auto_inc): New.
21528         (try_split): recreate REG_INC notes,
21529         Use regular for loops rather than whiles.
21530
21531 2007-03-03  Andreas Schwab  <schwab@suse.de>
21532
21533         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21534         * configure: Regenerate.
21535
21536 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21537
21538         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21539         flag_rounding_math, not flag_unsafe_math_optimizations.
21540
21541         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21542         fold_build2.
21543         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21544         alpha_fold_vector_minmax): Likewise.
21545         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21546         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21547
21548 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21549
21550         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21551         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21552         if the lhs has side-effects.
21553         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21554
21555 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21556
21557         * config/i386/i386.h (TUNEMASK): Remove define.
21558         (ARCHMASK): Remove define.
21559         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21560          Use ix86_arch_mask variable instead of ARCHMASK.
21561         * config/i386/i386.c (override_options): Ditto.
21562         (standard_80387_constant_p): Ditto.
21563
21564 2007-03-02  Ian Lance Taylor  <iant@google.com>
21565
21566         Used signed infinities in VRP.
21567         * tree-vrp.c (uses_overflow_infinity): New static function.
21568         (supports_overflow_infinity): New static function.
21569         (make_overflow_infinity): New static function.
21570         (negative_overflow_infinity): New static function.
21571         (positive_overflow_infinity): New static function.
21572         (is_negative_overflow_infinity): New static function.
21573         (is_positive_overflow_infinity): New static function.
21574         (is_overflow_infinity): New static function.
21575         (overflow_infinity_range_p): New static function.
21576         (compare_values_warnv): New function split out of compare_values.
21577         (compare_value): Call it.
21578         (set_value_range_to_nonnegative): Add overflow_infinity
21579         parameter.  Change caller.
21580         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21581         Change callers.
21582         (vrp_expr_computes_nonzero): Likewise.
21583         (compare_ranges, compare_range_with_value): Likewise.
21584         (compare_name_with_value, compare_names): Likewise.
21585         (vrp_evaluate_conditional): Likewise.
21586         (set_value_range): Handle infinity
21587         (vrp_operand_equal_p, operand_less_p): Likewise.
21588         (extract_range_from_assert): Likewise.
21589         (vrp_int_const_binop): Likewise.
21590         (extract_range_from_binary_expr): Likewise.
21591         (extract_range_from_unary_expr): Likewise.
21592         (extract_range_from_comparison): Likewise.
21593         (extract_range_from_expr): Likewise.
21594         (dump_value_range): Likewise.
21595         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21596         (test_for_singularity): Likewise.
21597         (vrp_int_const_binop): Remove inline qualifier.
21598         (adjust_range_with_scev): Add comment.
21599         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21600
21601 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21602
21603         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21604         (get_constraint_for): Likewise.
21605         (do_structure_copy): Likewise.
21606         (find_func_aliases): Fix references to MODIFY_EXPR.
21607         (intra_create_variable_infos): Tidy.
21608         * tree-ssa-operands.c (add_virtual_operand): Add argument
21609         IS_CALL_SITE.
21610         When adding members of alias sets, if IS_CALL_SITE is true and
21611         the symbol is not call-clobbered, skip it.
21612         Adjust all callers.
21613
21614 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21615
21616         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21617         entry by means of emit_insn_at_entry.
21618
21619 2007-03-02  Richard Henderson  <rth@redhat.com>
21620
21621         * expr.h (promoted_input_arg): Remove decl.
21622         * function.c (promoted_input_arg): Merge into ...
21623         * combine.c (setup_incoming_promotions): ... only caller.
21624         Rearrange to avoid double loop.
21625
21626 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21627             Peter Bergner  <bergner@vnet.ibm.com>
21628             Janis Johnson  <janis187@us.ibm.com>
21629
21630         * config/rs6000/dfp.md: New file.
21631         * config/rs6000/rs6000.md: Include dfp.md.
21632         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21633         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21634         and TDmode decimal float modes in FP registers.
21635         (num_insns_constant): Likewise.
21636         (rs6000_legitimate_offset_address_p): Likewise.
21637         (rs6000_legitimize_address): Likewise.
21638         (rs6000_legitimize_reload_address): Likewise.
21639         (rs6000_legitimate_address): Likewise.
21640         (rs6000_emit_move): Likewise.
21641         (function_arg_boundary): Likewise.
21642         (function_arg_advance): Likewise.
21643         (rs6000_darwin64_record_arg_recurse): Likewise.
21644         (function_arg): Likewise.
21645         (rs6000_gimplify_va_arg): Likewise.
21646         (rs6000_split_multireg_move): Likewise.
21647         (rs6000_output_function_epilogue): Likewise.
21648         (rs6000_output_function_epilogue): Likewise.
21649         (rs6000_register_move_cost): Likewise.
21650         (rs6000_function_value): Likewise.
21651         (rs6000_libcall_value): Likewise.
21652
21653 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21654
21655         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21656
21657 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21658
21659         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21660         Use $MULTIDIR to choose between the kernel and RTP headers,
21661         and use $WIND_BASE and $WIND_USR to locate them.
21662
21663 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21664
21665         * config/i386/i386.c (override_options): Put initialization of
21666         ix86_tune_mask and ix86_arch_mask to the correct place.
21667
21668 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21669             Michael Meissner  <michael.meissner@amd.com>
21670
21671         PR target/31019
21672         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21673         (ARCHMASK): Define.
21674         (TARGET_CMOVE): Use ARCHMASK.
21675         (TARGET_CMPXCHG): Ditto.
21676         (TARGET_CMPXCHG8B): Ditto.
21677         (TARGET_XADD): Ditto.
21678         (TARGET_BSWAP): Ditto.
21679         * config/i386/i386.c (ix86_tune_mask): New global variable.
21680         (ix86_arch_mask): Ditto.
21681         (override_options): Initialize ix86_tune_mask and
21682         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21683         target_flags.
21684
21685 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21686
21687         PR 30992
21688         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21689
21690 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21691
21692         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21693         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21694         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21695         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21696         hook.
21697         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
21698         rs6000_init_dwarf_reg_sizes_extra): New.
21699         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
21700         SPE register high parts.
21701
21702 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
21703
21704         * Makefile.in: Add install-pdf target as
21705         copied from automake v1.10 rules.
21706         * configure.ac: Add install-pdf to target list.
21707         * configure: Regenerate.
21708
21709 2007-03-01  Paul Brook  <paul@codesourcery.com>
21710
21711         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
21712         modes to LDRD for DImode.
21713         (output_move_double): Fixup out of range ldrd/strd.
21714         (vfp_secondary_reload_class): Rename...
21715         (coproc_secondary_reload_class): ... to this.  Add wb argument.
21716         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
21717         coproc_secondary_reload_class for CLASS_IWMMXT.
21718         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
21719         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
21720
21721 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
21722
21723         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
21724         unroll factor by the estimated number of iterations.
21725         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
21726         than prefetch latency.
21727
21728         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
21729         decode_caches_intel, detect_caches_intel): New functions.
21730         (host_detect_local_cpu): Use detect_caches_amd and
21731         detect_caches_intel.
21732
21733 2007-03-01  Richard Henderson  <rth@redhat.com>
21734
21735         * expr.c (emit_move_complex_push): Export.
21736         (emit_move_complex_parts): Split out from ...
21737         (emit_move_complex): ... here.
21738         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
21739         * config/i386/i386.md (movcdi): New.
21740
21741 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
21742
21743         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
21744         size of mode1 to check for tieable modes in MMX case.
21745
21746 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
21747
21748         * Makefile.in (rtlanal.o): Depend on tree.h.
21749         * rtl.h (offset_within_section_p, split_const): Declare.
21750         * rtlanal.c: Include tree.h.
21751         (offset_within_block_p): New function, taken from
21752         mips_offset_within_object_p.
21753         (split_const): New function, taken from mips_split_const.
21754         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
21755         Declare.
21756         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
21757         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
21758         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
21759         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
21760         (m68k_illegitimate_symbolic_constant_p): New function.
21761         * config/m68k/m68k.md (movsi): Remove misleading predicates.
21762         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
21763         symbolic constant that might be outside the symbol's section,
21764         move the symbol first and then add the offset.
21765         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21766         Override.
21767         * config/mips/mips.c (mips_split_const): Delete.
21768         (mips_offset_within_object_p): Delete.
21769         (mips_symbolic_constant_p): Use offset_within_section_p and
21770         split_const instead of mips_offset_within_object_p and
21771         mips_split_const.
21772         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
21773         (mips_legitimize_const_move, print_operand_reloc)
21774         (mips_dangerous_for_la25_p): Use split_const instead of
21775         mips_split_const.
21776
21777 2007-02-28  Eric Christopher  <echristo@apple.com>
21778
21779         * Makefile.in (install-include-dir): Don't rm -rf include.
21780
21781 2007-02-28  Richard Guenther  <rguenther@suse.de>
21782
21783         PR middle-end/30364
21784         * fold-const.c (fold_binary): Do not associate expressions
21785         with more than one variable for integer types that do not wrap.
21786
21787 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21788
21789         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
21790         Delete, and replace with...
21791         (fold_builtin_call_array): This.  Update callers to use it.
21792         * fold-const.c (fold_build_call_list): Delete, and replace with...
21793         (fold_build_call_array): This.
21794         (fold_build_call_list_initializer): Delete, and replace with...
21795         (fold_build_call_array_initializer): This.
21796         * tree.h: Update declarations to reflect above changes.
21797
21798         * c-typeck.c (build_function_call): Store converted arguments
21799         in a stack-allocated array instead of building a list.
21800         (convert_arguments): Store arguments in the array passed in as an
21801         argument, and return the actual number of arguments.
21802         * c-format.c: (check_function_format): Pass arguments in an
21803         array instead of a list.
21804         * c-common.c (check_function_nonnull): Likewise.
21805         (check_function_sentinel): Likewise.
21806         (check_function_arguments): Likewise.
21807         * c-common.h: Update declarations to reflect above changes.
21808
21809 2007-02-28  Jan Hubicka  <jh@suse.cz>
21810
21811         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
21812         PRED_NEGATIVE_RETURN): Update outcomes.
21813
21814 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
21815
21816         * calls.c (emit_library_call_value_1): Handle partial registers
21817         correctly when building up CALL_INSN_FUNCTION_USAGE.
21818
21819 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21820
21821         * pa/predicates.md (move_src_operand): Allow zero for mode.
21822         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
21823         move pattern.
21824
21825 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
21826
21827         PR target/30970
21828         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
21829         *movv2df_internal): Enable pattern only for valid operand
21830         combinations.
21831         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
21832         tie only 128bit modes. For MMX registers, tie only 64bit modes.
21833
21834 2007-02-27  Mike Stump  <mrs@apple.com>
21835
21836         * config/darwin-crt3.c: Avoid compilation when compiling for a
21837         kext multilib.
21838
21839 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
21840
21841         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
21842         FIXED_INCLUDE_DIR.
21843         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
21844         for fixed headers and limits.h.
21845         (install-include-dir, install-headers-tar, install-headers-cpio,
21846         install-headers-cp, real-install-headers-tar,
21847         real-install-headers-cpio, real-install-headers-cp): Handle
21848         include-fixed as well as include.
21849         (install-mkheaders): Don't install files that go only in include
21850         not include-fixed.
21851         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
21852         from GCC_INCLUDE_DIR.
21853         * gcc.c (process_command): Remove special -BstageN/ handling.
21854         (do_spec_1): Add include-fixed directories.
21855
21856 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21857
21858         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
21859         _smulsi3_highpart.
21860         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
21861         New functions.
21862         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
21863         patterns.
21864
21865 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
21866
21867         * c-common.c (get_priority): Add check for
21868         SUPPORTS_INIT_PRIORITY.
21869
21870 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21871
21872         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
21873
21874         * config/bfin/bfin.c: Include "cfglayout.h".
21875         (MAX_LSETUP_DISTANCE): New macro.
21876         (struct loop_info): New members incoming, incoming_src and
21877         incoming_dest.  Delete member predecessor.
21878         (length_for_loop): New function.
21879         (bfin_optimize_loop): Handle more different loop structures.
21880         (bfin_discover_loop): Rework detection of predecessor blocks by
21881         examining incoming edges.
21882         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
21883         bfin_reorg_loops.
21884         (bfin_reorder_loops): New function.
21885         (bfin_reorg_loops): Use these three new functions.
21886
21887         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
21888         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
21889         (CONSTRAINT_LEN): Add entry for 'q'.
21890         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
21891         Add 'q' constraints.
21892         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
21893         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
21894
21895         * config/bfin/bfin.md (add_with_carry): New pattern.
21896         (s_or_u, su_optab, su_modifier): New code macros/attrs.
21897         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
21898         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
21899         support unsigned multiplies too.  Removed incorrect commutativity from
21900         operand 1 constraint where appropriate.
21901         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
21902         patterns.
21903         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
21904         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
21905         New patterns.
21906         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
21907         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
21908         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
21909         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
21910         usmulhisi_hh_huh): New patterns.
21911
21912         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
21913         lshifthi3): Fix output template to use half reg for operand 2.
21914
21915         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
21916         instead of R2.
21917
21918         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
21919
21920 2007-02-27  Andreas Schwab  <schwab@suse.de>
21921
21922         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
21923
21924 2007-02-27  Jan Hubicka  <jh@suse.cz>
21925
21926         * predict.c (last_basic_block_p): Remove.
21927         (tree_estimate_probability): Update return heuristic for commonized
21928         return blocks.
21929
21930 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21931
21932         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
21933
21934 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21935
21936         * doc/include/gcc-common.texi (versionsubtitle): New macro.
21937         * doc/cpp.texi: Standardize title page.
21938         * doc/cppinternals.texi: Likewise.
21939         * doc/gcc.texi: Standardize title page, remove version number
21940         from copyright page.
21941         * doc/gccint.texi: Likewise.
21942         * doc/install.texi: Standardize title page, add table of
21943         contents.
21944
21945 2007-02-26  Jan Hubicka  <jh@suse.cz>
21946
21947         * predict.def: Set outcomes according to more recent results.
21948         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
21949         Remove dead predictors.
21950         * predict.c (return_prediction): Fix pasto.
21951
21952 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21953
21954         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
21955         change; avoid a memory leak when returning early.
21956
21957 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
21958
21959         * c-decl.c (static_ctors): Move to c-common.c.
21960         (static_dtors): Likewise.
21961         (finish_function): Use c_record_cdtor_fn.
21962         (build_cdtor): Move to c-common.c.
21963         (c_write_global_declarations): Use c_build_cdtor_fns.
21964         * c-common.h (static_ctors): Declare.
21965         (static_dtors): Likewise.
21966         (c_record_cdtor_fn): Likewise.
21967         (c_build_cdtor_fns): Likewise.
21968         * c-common.c (static_ctors): New variable.
21969         (static_dtors): Likewise.
21970         (c_record_cdtor_fn): New function.
21971         (build_cdtor): Move from c-decl.c
21972         (c_build_cdtor_fns): New function.
21973
21974         * output.h (assemble_addr_to_section): Declare.
21975         (get_cdtor_priority_section): Likewise.
21976         * varasm.c (assemble_addr_to_section): New function.
21977         (get_cdtor_priority_section): Likewise.
21978         (default_named_section_asm_out_destructor): Use them.
21979         (destor_dtor_section_asm_out_destructor): Likewise.
21980         (default_named_section_asm_out_constructor): Likewise.
21981         (default_ctor_section_asm_out_constructor): Likewise.
21982         * config.gcc (*-*-vxworks*): Include vxworks.o.
21983         * config/t-vxworks (vxworks.o): New target.
21984         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
21985         (TARGET_ASM_CONSTRUCTOR): Define.
21986         (TARGET_ASM_DESTRUCTOR): Likewise.
21987         (vxworks_asm_out_constructor): Declare.
21988         (vxworks_asm_out_destructor): Likewise.
21989
21990         * c-common.c (get_priority): Check that we have not just an
21991         INTEGER_CST, but an integer constant with integeral type.
21992
21993 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
21994
21995         PR tree-optimization/30938
21996         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
21997         use &dt[nargs-1] instead of &dt[nargs] in the call to
21998         vect_is_simple_use().
21999
22000 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
22001
22002         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
22003         from register elimination as PRE_MODIFY / POST_MODIFY increments.
22004         Do not attempt to handle MEM inside auto-inc expressions.
22005         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
22006         of a register modified by an auto-inc expression.  However, do handle
22007         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
22008         (elimination_effects): Prohibit elimination of a register modified
22009         by an auto-inc expression.  Disable register elimination rules whose
22010         target register is modified by an auto-inc expression with variable
22011         increment.
22012
22013 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
22014
22015         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22016         off-by-one error.
22017         (array_at_struct_end_p): New function.
22018         (idx_infer_loop_bounds): Use it.
22019         (estimate_numbers_of_iterations_loop): Export.
22020         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22021         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22022         (tree_estimate_probability): Call record_loop_exits.
22023         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22024         (estimated_loop_iterations, estimated_loop_iterations_int,
22025         estimated_loop_iterations_tree): New functions.
22026         (analyze_siv_subscript_cst_affine,
22027         compute_overlap_steps_for_affine_1_2,
22028         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22029         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22030         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22031         (PRED_LOOP_ITERATIONS_GUESSED): New.
22032         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22033         * cfgloop.h (estimate_numbers_of_iterations_loop,
22034         estimated_loop_iterations_int): Declare.
22035
22036 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22037
22038         * doc/extend.texi: Document optional priority argument to
22039         constructors and destructors.
22040         * tree.c (init_priority_for_decl): Adjust GTY markers.
22041         (init_ttree): Use priority-info hash functions for
22042         init_priority_for_decl.
22043         (tree_map_eq): Rename to ...
22044         (tree_map_base_eq): ... this.
22045         (tree_map_marked_p): Rename to ...
22046         (tree_map_base_marked_p): ... this.
22047         (tree_map_base_hash): New function.
22048         (decl_init_priority_lookup): Rework.
22049         (decl_fini_priority_lookup): New function.
22050         (decl_priority_info): New function.
22051         (decl_init_priority_insert): Use it.
22052         (decl_fini_priority_insert): Likewise.
22053         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22054         hierarchy.
22055         (decl_restrict_base_insert): Likewise.
22056         (decl_debug_expr_insert): Likewise.
22057         (decl_value_expr_lookup): Likewise.
22058         (decl_value_expr_insert): Likewise.
22059         * tree.h (priority_type): New type.
22060         (decl_init_priority_lookup): Use priority_type.
22061         (decl_fini_priority_lookup): New function.
22062         (decl_init_priority_insert): Use priority_type.
22063         (decl_fini_priority_insert): New function.
22064         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22065         (DECL_INIT_PRIORITY): Likewise.
22066         (SET_DECL_INIT_PRIORITY): Add comment.
22067         (DECL_FINI_PRIORITY): New macro.
22068         (SET_DECL_FINI_PRIORITY): Likewise.
22069         (DEFAULT_INIT_PRIORITY): Document.
22070         (MAX_INIT_PRIORITY): Likewise.
22071         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22072         (tree_map_base): New type.
22073         (tree_map_base_eq): New function.
22074         (tree_map_base_hash): Likewise.
22075         (tree_map_base_marked_p): Likewise.
22076         (tree_map): Inherit from tree_map_base.
22077         (tree_map_eq): Make it a macro.
22078         (tree_map_marked_p): Likewise.
22079         (tree_int_map): Inherit from tree_map_base.
22080         (tree_int_map_eq): Make it a macro.
22081         (tree_int_map_hash): Likewise.
22082         (tree_int_map_marked_p): Likewise.
22083         (tree_priority_map): New type.
22084         (tree_priority_map_eq): New macro.
22085         (tree_priority_map_hash): Likewise.
22086         (tree_priority_map_marked_p): Likewise.
22087         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22088         hierarchy.
22089         (emutls_common_1): Likewise.
22090         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22091         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22092         of tree_map hierarchy.
22093         * tree-cfg.c (move_stmt_r): Likewise.
22094         (new_label_mapper): Likewise.
22095         * c-tree.h (c_expand_body): Move to ...
22096         * c-common.h (c_expand_body): ... here.
22097         * c-decl.c (c_expand_body): Move to ...
22098         * c-common.c (c_expand_body): ... here.
22099         (c_common_attribute_table): Allow 1 argument for the constructor
22100         and destructor attributes.
22101         (get_priority): New function.
22102         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22103         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22104
22105 2007-02-24  Jan Hubicka  <jh@suse.cz>
22106
22107         PR middle-end/30509
22108         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22109         copying for inlining.
22110
22111 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22112             Jan Hubicka  <jh@suse.cz>
22113
22114         PR target/30778
22115         * i386.c (counter_mode): New function.
22116         (expand_set_or_movmem_via_loop): Use it.
22117         (expand_movmem_epilogue): Likewise; fix pasto.
22118         (ix86_expand_movmem): Do emit guard even for constant counts.
22119         (ix86_expand_setmem): Likewise.
22120
22121 2007-02-25  Nick Clifton  <nickc@redhat.com>
22122
22123         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22124         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22125
22126 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22127
22128         PR target/30770
22129         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22130         count argument with 0x10, not with 0x16.
22131         (expand_setmem_epilogue): Ditto.
22132
22133 2007-02-24  Mike Stump  <mrs@apple.com>
22134
22135         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22136         symbols.
22137
22138 2007-02-24  Richard Guenther  <rguenther@suse.de>
22139
22140         PR middle-end/30951
22141         * fold-const.c (fold_binary): Fold x +- CST op x for
22142         EQ_EXPR and NE_EXPR.
22143
22144 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22145
22146         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22147
22148 2007-02-24  Jan Hubicka  <jh@suse.cz>
22149
22150         * cgraphunit.c (decide_is_function_needed): Honor
22151         -fkeep-inline-functions.
22152
22153 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22154
22155         * builtins.c (fold_builtin_modf): New.
22156         (fold_builtin_2): Use it.
22157
22158 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22159
22160         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22161         (determine_max_iter): Take additional LOOP arg; all callers changed.
22162         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22163         one using simplifications.
22164         (simplify_using_initial_values): Return if the expression becomes
22165         invalid due to altered regs.
22166
22167 2007-02-23  DJ Delorie  <dj@redhat.com>
22168
22169         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22170
22171 2007-02-23  Mike Stump  <mrs@apple.com>
22172
22173         * tlink.c (scan_linker_output): Parse linker messages from
22174         darwin9's linker better.
22175
22176 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22177
22178         PR debug/29614
22179         * varpool.c (varpool_assemble_pending_decls): Set
22180         varpool_last_needed_node to null.
22181
22182 2007-02-23  DJ Delorie  <dj@redhat.com>
22183
22184         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22185         alignment bigger than the object file can handle.
22186
22187 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22188
22189         PR target/30825
22190         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22191         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22192         (*movsf_1): Penalize MMX moves.
22193
22194 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22195
22196         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22197         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22198
22199         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22200
22201 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22202
22203         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22204         (fold_builtin_1): Use them.
22205         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22206         BUILT_IN_SIGNIFICAND.
22207
22208 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22209
22210         * config/i386/i386.c (bdesc_1arg): Initialize
22211         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22212         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22213         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22214         and IX86_BUILTIN_MOVSLDUP.
22215
22216 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22217
22218         PR rtl-optimization/30841
22219         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22220
22221 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22222
22223         * builtins.c (fold_builtin_frexp): New.
22224         (fold_builtin_2): Use it.
22225
22226 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22227
22228         * doc/invoke.texi (Spec Files): Document getenv spec function.
22229
22230         * gcc.c (getenv_spec_function): New function.
22231         (static_spec_functions): Add it.
22232         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22233         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22234         header files.
22235
22236 2007-02-22  Michael Matz  <matz@suse.de
22237
22238         PR c++/29433
22239         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22240         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22241
22242 2007-02-22  Ian Lance Taylor  <iant@google.com>
22243
22244         PR debug/30898
22245         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22246         (mem_loc_descriptor): Call it.
22247
22248 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22249             Ira Rosen  <irar@il.ibm.com>
22250
22251         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22252
22253 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22254
22255         PR tree-optimization/30843
22256         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22257         stores only after all the group is vectorized.
22258
22259 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22260
22261         PR tree-optimization/30858
22262         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22263         in the reduction cycle have a single use in the loop.
22264         * tree-vectorizer.h (relevant): Add documentation.
22265
22266 2007-02-20  Mike Stump  <mrs@apple.com>
22267
22268         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22269         * configure: Regenerate.
22270
22271 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22272
22273         Change the defaults of some parameters and options.
22274         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22275         * config/spu/spu.c (spu_optimization_options): Add.
22276         (spu_override_options): Change params in spu_optimization_options.
22277         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22278
22279         Register 127 is only 16 byte aligned when used as a frame pointer.
22280         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22281         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22282         HARD_FRAME_POINTER_REGNUM.
22283         (spu_legitimate_address): Use regno_aligned_for_reload.
22284         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22285         aligned when frame_pointer_needed is true.
22286         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22287         to 8 bits.
22288         * config/spu/spu.h (INIT_EXPANDERS): Define.
22289
22290         Make sure shift and rotate instructions have valid immediate operands.
22291         * config/spu/predicates.md (spu_shift_operand): Remove.
22292         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22293         * config/spu/constraints.md (W, O): Extend range.
22294         * config/spu/spu.md (umask, nmask): Define.
22295         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22296         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22297         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22298         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22299         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22300         (lshr<mode>3_reg): Fix rtl description.
22301
22302         Make sure mulhisi immediate operands are valid.
22303         * config/spu/predicates.md (imm_K_operand): Add.
22304         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22305
22306         Generate constants using fsmbi and andi.
22307         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22308         (print_operand, spu_split_immediate, classify_immediate,
22309         fsmbi_const_p): Handle IC_FSMBI2.
22310
22311         Correctly handle a CONST_VECTOR containing symbols.
22312         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22313         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22314         (immediate_load_p): Allow symbols that use 2 instructions to create.
22315         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22316         with symbols when flag_pic is set.
22317         (const_vector_immediate_p): New.
22318         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22319         accept a CONST_VECTOR with symbols.
22320         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22321         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22322         correctly.
22323         * config/spu/spu.md (high, low): Delete.
22324         (low_<mode>): Define.
22325
22326         Remove INTRmode and INTR_REGNUM, which didn't work.
22327         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22328         of INTR_REGNUM.
22329         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22330         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22331         peephole2 pattern): Don't use INTR or 131.
22332         (movintrcc): Delete.
22333         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22334         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22335         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22336         (UNSPEC_SET_INTR): Add.
22337         * config/spu/spu-modes.def (INTR): Remove.
22338
22339         More accurate warnings about run-time relocations.
22340         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22341
22342         Correctly warn about immediate arguments to specific intrinsics.
22343         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22344         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22345         the instruction predicate.
22346
22347         Fix tree check errors with latest update.
22348         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22349         CALL_EXPR_ARG.
22350         (spu_expand_builtin): Use CALL_EXPR_FN.
22351
22352         Add missing specific intrinsics.
22353         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22354         si_bislede.
22355         * config/spu/spu_internals.h: Ditto.
22356
22357         Fix incorrect operand modifiers.
22358         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22359         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22360
22361         Optimize one case of zero_extend of a vec_select.
22362         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22363
22364         Accept any immediate for hbr.
22365         * config/spu/spu.md (hbr): Change s constraints to i.
22366
22367 2007-02-21  Paul Brook  <paul@codesourcery.com>
22368
22369         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22370         condexec_count when skipping USE and CLOBBER.
22371
22372 2007-02-21  Nick Clifton  <nickc@redhat.com>
22373
22374         * common.opt (Warray-bounds): Add Warning attribute.
22375         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22376         Likewise.
22377         (fsized-zeroes): Add Optimization attribute.
22378         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22379         * c.opt (Wc++0x-compat): Add Warning attribute.
22380
22381 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22382
22383         PR middle-end/30761
22384         * reload1.c (eliminate_regs_in_insn): In the single_set special
22385         case, attempt to re-recognize the insn before falling back to
22386         having reload fix it up.
22387
22388 2007-02-20  Eric Christopher  <echristo@gmail.com>
22389
22390         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22391         Rewrite accordingly.
22392         (frv_read_iacc_argument): Ditto.
22393         (frv_expand_set_builtin): Take a call instead of arglist, update for
22394         above changes.
22395         (frv_expand_unop_builtin): Ditto.
22396         (frv_expand_binop_builtin): Ditto.
22397         (frv_expand_cut_builtin): Ditto.
22398         (frv_expand_binopimm_builtin): Ditto.
22399         (frv_expand_voidbinop_builtin): Ditto.
22400         (frv_expand_int_void2arg): Ditto.
22401         (frv_expand_prefetches): Ditto.
22402         (frv_expand_voidtriop_builtin): Ditto.
22403         (frv_expand_voidaccop_builtin): Ditto.
22404         (frv_expand_load_builtin): Ditto.
22405         (frv_expand_store_builtin): Ditto.
22406         (frv_expand_mdpackh_builtin): Ditto.
22407         (frv_expand_mclracc_builtin): Ditto.
22408         (frv_expand_mrdacc_builtin): Ditto.
22409         (frv_expand_mwtacc_builtin): Ditto.
22410         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22411         calls for above.
22412
22413 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22414
22415         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22416         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22417         cmpb instruction.
22418         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22419         point instructions.
22420         * configure: Regenerate.
22421         * config.in: Regenerate.
22422         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22423         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22424         masks to power6 and power6x and to POWERPC_MASKS.
22425         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22426         _ARCH_PWR6.
22427         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22428         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22429         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22430         Access PROTOTYPE as variable, not mask.
22431
22432 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22433
22434         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22435         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22436         * combine.c (adjust_for_new_dest): Use it.
22437         * postreload.c (reload_combine): Likewise.
22438
22439 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22440
22441         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22442         notes on an insn with multiple sets, even if single_set returns
22443         non-NULL for that insn.
22444
22445 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22446
22447         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22448         scalbn and scalbln.
22449
22450 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22451
22452         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22453         if user didn't pass it.
22454         * config/i386/darwin.h (CC1_SPEC): Likewise.
22455         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22456         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22457         -mmacosx-version-min.
22458
22459 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22460             Uros Bizjak  <ubizjak@gmail.com>
22461
22462         * optabs.h (enum optab_index): Add new OTI_scalb.
22463         (scalb_optab): Define corresponding macro.
22464         * optabs.c (init_optabs): Initialize scalb_optab.
22465         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22466         patterns.
22467         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22468         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22469         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22470         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22471         flag_unsafe_math_optimizations is set.
22472
22473         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22474         to implement scalbf, scalb and scalbl built-ins as inline x87
22475         intrinsics.
22476
22477 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22478             DJ Delorie <dj@redhat.com>
22479
22480         PR other/30824
22481         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22482         (diagnostic_report_diagnostic): ... here, and turn them into real
22483         errors. If warnings are inhibited, no need to do anything.
22484
22485 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22486
22487         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22488         better code generation.
22489
22490 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22491
22492         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22493
22494 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22495
22496         * config/alpha/alpha.c, config/alpha/alpha.md,
22497         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22498         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22499         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22500         config/arm/lib1funcs.asm: Follow spelling conventions.
22501
22502         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22503         config/fr30/fr30.md, config/i386/i386.h,
22504         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22505         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22506         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22507         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22508         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22509         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22510         config/sparc/sparc.c, config/sparc/sparc.h,
22511         config/sparc/sparc.md, config/spu/constraints.md,
22512         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22513         conventions.
22514
22515 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22516
22517         PR target/29943
22518         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22519         alias attribute.
22520
22521 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22522
22523         * doc/invoke.texi (-ftree-lrs): Remove.
22524
22525 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22526
22527         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22528         NULL.
22529
22530 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22531
22532         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22533         new CALL_EXPR_FN macro for retrieving the function
22534         declaration of the input expression.
22535
22536 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22537
22538         * c.opt (Waddress): New.
22539         * common.opt (Walways-true): Delete.
22540         (Wstring-literal-comparison): Delete.
22541         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22542         -Wstring-literal-comparison. Add -Waddress.
22543         (Waddress): New.
22544         (Walways-true): Delete.
22545         (Wstring-literal-comparison): Delete.
22546         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22547         consistently instead of -Walways-true in example.
22548         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22549         * c-typeck.c (parser_build_binary_op): Replace
22550         -Wstring-literal-comparison and -Walways-true with -Waddress.
22551         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22552         with -Waddress.
22553
22554 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22555
22556         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22557         without DECL_STRUCT_FUNCTION initialized.
22558
22559 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22560
22561         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22562         due to calls to functions taking pointers as parameters.
22563
22564 2007-02-19  Richard Henderson  <rth@redhat.com>
22565
22566         PR debug/29558
22567         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22568         in memory.
22569
22570 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22571
22572         * config/s390/s390.c (s390_call_saved_register_used,
22573         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22574         accessed to the new scheme.
22575
22576 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22577
22578         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22579         (cris_print_index, cris_print_operand, cris_print_operand_address)
22580         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22581         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22582         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22583         GET_CODE () == xxx.
22584         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22585         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22586         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22587         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22588         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22589         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22590         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22591         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22592         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22593         (uminsi3, call, call_value): Ditto.
22594         (define_split: indir_to_reg_split, unnamed): Ditto.
22595
22596 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22597
22598         PR tree-optimization/30975
22599         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22600         wrong assert.
22601
22602 2007-02-18  Eric Christopher  <echristo@gmail.com>
22603
22604         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22605         Remove use of arglist.
22606         (mips_expand_builtin): Remove use of arglist, pass in expr.
22607         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22608         (mips_expand_builtin_movtf): Ditto.
22609         (mips_expand_builtin_compare): Ditto.
22610
22611 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22612
22613         * tree-sra.c (sra_build_assignment): Replace assertion
22614         checking with a comment explaining why it can't be done.
22615
22616 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22617
22618         PR middle-end/30833
22619         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22620         during CALL_EXPR representation conversion.
22621         * tree-ssa-propagate.c (set_rhs): Likewise.
22622
22623 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22624
22625         * tree-sra.c (sra_build_assignment): Disable assertion checking
22626         for now.
22627
22628 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22629
22630         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22631         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22632         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22633         Likewise.
22634         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22635         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22636         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22637         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22638         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22639         force_gimple_operand): Likewise.
22640         * ipa-cp.c (constant_val_insert): Likewise.
22641         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22642         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22643         perfect_nestify): Likewise.
22644         * langhooks.c (lhd_omp_assignment): Likewise.
22645         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22646         lower_copyprivate_clauses, lower_send_clauses,
22647         lower_send_shared_vars, expand_parallel_call,
22648         expand_omp_for_generic, expand_omp_for_static_nochunk,
22649         expand_omp_for_static_chunk, expand_omp_sections,
22650         lower_omp_single_copy, lower_omp_for_lastprivate,
22651         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22652         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22653         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22654         Likewise.
22655
22656 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22657
22658         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22659         config/sh/sh.md: Follow spelling conventions.
22660
22661         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22662         config/frv/predicates.md: Follow spelling conventions.
22663
22664         * config/m68k/linux-unwind.h: Fix a comment typo.
22665         * target.h: Follow spelling conventions.
22666
22667 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22668
22669         PR rtl-optimization/28173
22670         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22671         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22672         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22673         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22674         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22675
22676 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22677
22678         * builtins.c (fold_builtin_load_exponent): New.
22679         (fold_builtin_2): Use it.
22680
22681 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22682
22683         PR rtl-optimization/30773
22684         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22685         if we fail to attach a REG_EQUIV note.
22686
22687 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22688             Roger Sayle  <roger@eyesopen.com>
22689
22690         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22691
22692 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22693
22694         * calls.c (initialize_argument_information): Pass original EXP
22695         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22696         code to split complex arguments here, as part of initializing the
22697         ARGS array.
22698         (expand_call): Remove code that builds a list of arguments and
22699         inserts implicit arguments into it.  Instead, just count how many
22700         implicit arguments there will be so we can determine the size of
22701         the ARGS array, and let initialize_argument_information do the work.
22702         (split_complex_values): Delete unused function.
22703
22704 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22705
22706         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
22707
22708 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22709
22710         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
22711         for arg pointer based indexed addressing.
22712
22713 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22714
22715         * config/ia64/ia64.h, config/ia64/ia64.md,
22716         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
22717         spelling conventions.
22718
22719 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22720
22721         * config/m68k/m68k.c (split_di): New.
22722         * config/m68k/m68k-protos.h: Declare split_di.
22723         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
22724           Improve predicate handling and split constant shifts.
22725
22726 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22727
22728         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
22729         parameter for register bitfield operations, general predicates
22730         cleanup
22731
22732 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22733
22734         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
22735         * config/m68k/linux-unwind.h: New file.
22736
22737 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22738
22739         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
22740         config/i386/athlon.md, config/ia64/ia64.md,
22741         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
22742         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
22743         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
22744         tree-ssa-loop-niter.c, tree-vect-analyze.c,
22745         tree-vect-transform.c: Fix comment typos.
22746
22747 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
22748
22749         * sched-deps.c (find_insn_list): Remove.
22750         * sched-int.h: Remove the prototype for find_insn_list.
22751
22752 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
22753
22754         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
22755         to linker.
22756         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
22757         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
22758         darwin_rs6000_override_options.
22759         (C_COMMON_OVERRIDE_OPTIONS): Expect
22760         darwin_macosx_version_min to be non-NULL always.
22761         (TARGET_C99_FUNCTIONS): Likewise.
22762         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
22763         (DARWIN_MINVERSION_SPEC): New.
22764         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
22765         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
22766         to cc1*.
22767         (DARWIN_MINVERSION_SPEC): New.
22768         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
22769         value.
22770         * config/darwin-c.c (darwin_cpp_builtins): Expect
22771         darwin_macosx_version_min to be non-NULL always.
22772
22773         * config/rs6000/rs6000.c: Clean up trailing whitespace.
22774
22775 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
22776
22777         * config/i386/i386.h (x86_use_xchgb): New.
22778         (TARGET_USE_XCHGB): New macro.
22779         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
22780         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
22781         Split after reload into bswaphi for shifts of 8.
22782         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
22783         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
22784         or when optimizing for size.
22785
22786 2007-02-16  Richard Guenther  <rguenther@suse.de>
22787             Christian Bruel  <christian.bruel@st.com>
22788
22789         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
22790         DECLs but prefer SSA_NAMEs over DECLs.
22791
22792 2007-02-16  Richard Guenther  <rguenther@suse.de>
22793
22794         * tree-flow-inline.h (single_imm_use_p): Remove.
22795         (zero_imm_uses_p): Likewise.
22796         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
22797         instead of single_imm_use_p.
22798         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
22799         zero_imm_uses_p.
22800
22801 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22802
22803         PR other/27843
22804         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
22805         nested double- and backquotes.
22806
22807 2007-02-15  Roger Sayle  <roger@eyesopen.com>
22808
22809         PR middle-end/30391
22810         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
22811         should be unreachable.
22812         (build2_stat): Allow construction of MODIFY_EXPR at any time.
22813         For the time being redirect GIMPLE_MODIFY_STMT to the new
22814         (renamed) build_gimple_modify_stmt_stat.
22815         (build2_gimple_stat): Rename to...
22816         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
22817         Always build a GIMPLE_MODIFY_STMT node.
22818         * tree.h (build2_gimple, build2_gimple_stat): Delete.
22819         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
22820         declarations.
22821
22822         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
22823         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
22824         * tree-complex.c (set_component_ssa_name, expand_complex_move,
22825         expand_complex_div_wide): Likewise.
22826         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
22827         * tree-ssa-loop-im.c (schedule_sm): Likewise.
22828         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
22829         * tree-ssa-loop-manip.c (create_iv): Likewise.
22830         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
22831         abs_replacement): Likewise.
22832         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
22833         realify_fake_stores): Likewise.
22834
22835         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
22836         node rather than a GIMPLE_MODIFY_STMT node.
22837         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
22838         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
22839         Likewise.
22840         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
22841         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
22842         GIMPLE_MODIFY_STMT.
22843
22844 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22845
22846         PR middle-end/30433
22847         * fold-const.c (fold_comparison): Add back the
22848         folding of constant complex comparisions.
22849
22850 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22851
22852         PR middle-end/30729
22853         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
22854         effects unknown to this function, return early.
22855
22856 2007-02-15  Ian Lance Taylor  <iant@google.com>
22857
22858         * lower-subreg.c (move_eh_region_note): New static function.
22859         (resolve_simple_move): Call it.
22860         (decompose_multiword_subregs): Track blocks for which we resolve a
22861         simple move which is also a control flow insn.  Pass them to
22862         find_many_sub_basic_blocks.
22863         (pass_lower_subreg): Add TODO_verify_flow.
22864         (pass_lower_subreg2): Likewise.
22865
22866 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22867             Brooks Moses  <brooks.moses@codesourcery.com>
22868             Lee Millward  <lee.millward@codesourcery.com>
22869
22870         * tree.h (enum tree_code_class): Add tcc_vl_exp.
22871         (VL_EXP_CLASS_P): New.
22872         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
22873         TREE_CODE_LENGTH.
22874         (TREE_OPERAND_CHECK_CODE): Likewise.
22875         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
22876         (TREE_RTL_OPERAND_CHECK): Likewise.
22877         (tree_operand_check_failed): Make second parameter the whole tree
22878         instead of its code.  Fixed callers.
22879         (VL_EXP_CHECK): New.
22880         (TREE_OPERAND_LENGTH): New.
22881         (VL_EXP_OPERAND_LENGTH): New.
22882         (CALL_EXPR_FN): New.
22883         (CALL_EXPR_STATIC_CHAIN): New.
22884         (CALL_EXPR_ARGS): New.
22885         (CALL_EXPR_ARG): New.
22886         (call_expr_nargs): New.
22887         (CALL_EXPR_ARGP): New.
22888         (build_nt_call_list): Declare.
22889         (build_vl_exp_stat): Declare.
22890         (build_vl_exp): New.
22891         (build_call_list): Declare.
22892         (build_call_nary): Declare.
22893         (build_call_valist): Declare.
22894         (build_call_array): Declare.
22895         (call_expr_arg): Declare.
22896         (call_expr_argp): Declare.
22897         (call_expr_arglist): Declare.
22898         (fold_build_call_list): Declare.
22899         (fold_build_call_list_initializer): Declare.
22900         (fold_call_expr): Declare to replace fold_builtin.
22901         (fold_builtin_fputs): Update to agree with modified definition.
22902         (fold_builtin_strcpy): Likewise.
22903         (fold_builtin_strncpy): Likewise.
22904         (fold_builtin_memory_chk): Likewise.
22905         (fold_builtin_stxcpy_chk): Likewise.
22906         (fold_builtin_strncpy_chk): Likewise.
22907         (fold_builtin_next_arg): Likewise.
22908         (fold_build_call_expr): Declare.
22909         (fold_builtin_call_list): Declare.
22910         (fold_builtin_call_valist): Declare.
22911         (build_call_expr): Declare.
22912         (validate_arglist): Update to agree with modified definition.
22913         (tree_operand_length): New.
22914         (call_expr_arg_iterator): New.
22915         (init_call_expr_arg_iterator): New.
22916         (next_call_expr_arg): New.
22917         (first_call_expr_arg): New.
22918         (more_call_expr_args_p): New.
22919         (FOR_EACH_CALL_EXPR_ARG): New.
22920
22921         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
22922         and tcc_gimple_stmt.
22923         (tree_code_size): Update documentation.  Use sizeof (tree) rather
22924         than sizeof (char *).
22925         (tree_size): Likewise.  Add case for tcc_vl_exp.
22926         (tree_node_structure): Add case for tcc_vl_exp.
22927         (contains_placeholder_p): Likewise.
22928         (substitute_in_expr): Likewise.
22929         (substitute_placeholder_in_expr): Likewise.
22930         (stabilize_reference_1): Likewise.
22931         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
22932         to diagnose breakage of this interface for constructing CALL_EXPRs.
22933         (build_nt): Add similar assertion here.
22934         (build_nt_call_list): New.
22935         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
22936         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
22937         TREE_CODE_LENGTH.
22938         (get_callee_fndecl): Use new CALL_EXPR accessors.
22939         (tree_operand_check_failed): Change parameters to pass entire node
22940         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
22941         (process_call_operands): New.
22942         (build_vl_exp_stat): New.
22943         (build_call_list): New.
22944         (build_call_nary): New.
22945         (build_call_valist): New.
22946         (build_call_array): New.
22947         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
22948         (call_expr_arglist): New.
22949
22950         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
22951         tcc_vl_exp instead of a fixed-size tcc_expression.
22952
22953         * doc/c-tree.texi (CALL_EXPR): Document new representation and
22954         accessors for CALL_EXPRs.
22955         (AGGR_INIT_EXPR): Likewise.
22956
22957 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22958             Brooks Moses  <brooks.moses@codesourcery.com>
22959             Lee Millward  <lee.millward@codesourcery.com>
22960
22961         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
22962         (expand_builtin_nonlocal_goto): Change parameter to be entire
22963         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
22964         (expand_builtin_prefetch): Likewise.
22965         (expand_builtin_classify_type): Likewise.
22966         (mathfn_built_in): Return NULL_TREE instead of 0.
22967         (expand_errno_check): Use new CALL_EXPR accessors.
22968         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
22969         Return NULL_RTX instead of 0.
22970         (expand_builtin_mathfn_2): Likewise.
22971         (expand_builtin_mathfn_3): Likewise.
22972         (expand_builtin_interclass_mathfn): Likewise.
22973         (expand_builtin_sincos): Likewise.
22974         (expand_builtin_cexpi): Likewise.
22975         (expand_builtin_int_roundingfn): Likewise.
22976         (expand_builtin_int_roundingfn_2): Likewise.
22977         (expand_builtin_pow): Likewise.
22978         (expand_builtin_powi): Likewise.
22979         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
22980         of arglist, fixing callers appropriately.  Use new CALL_EXPR
22981         accessors and constructors.  Return NULL_RTX instead of 0.
22982         (expand_builtin_strstr): Likewise.
22983         (expand_builtin_strchr): Likewise.
22984         (expand_builtin_strrchr): Likewise.
22985         (expand_builtin_strpbrk): Likewise.
22986         (expand_builtin_memcpy): Likewise.
22987         (expand_builtin_mempcpy): Likewise.
22988         (expand_builtin_mempcpy_args): New.
22989         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
22990         (expand_builtin_memmove_args): New.
22991         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
22992         (expand_movstr): Likewise.
22993         (expand_builtin_strcpy): Likewise.
22994         (expand_builtin_strcpy_args): New.
22995         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
22996         (expand_builtin_strncpy): Likewise.
22997         (expand_builtin_memset): Likewise.
22998         (expand_builtin_memset_args): New.
22999         (expand_builtin_bzero): Similarly to expand_builtin_memset.
23000         (expand_builtin_memcmp): Likewise.
23001         (expand_builtin_strcmp): Likewise.
23002         (expand_builtin_strncmp): Likewise.
23003         (expand_builtin_strcat): Likewise.
23004         (expand_builtin_strncat): Likewise.
23005         (expand_builtin_strspn): Likewise.
23006         (expand_builtin_strcspn): Likewise.
23007         (expand_builtin_args_info): Likewise.
23008         (expand_builtin_va_start): Likewise.
23009         (gimplify_va_arg_expr): Likewise.
23010         (expand_builtin_va_end): Likewise.
23011         (expand_builtin_va_copy): Likewise.
23012         (expand_builtin_frame_address): Likewise.
23013         (expand_builtin_alloca): Likewise.
23014         (expand_builtin_bswap): Likewise.
23015         (expand_builtin_unop): Likewise.
23016         (expand_builtin_fputs): Likewise.
23017         (expand_builtin_expect): Likewise.
23018         (expand_builtin_fabs): Likewise.
23019         (expand_builtin_copysign): Likewise.
23020         (expand_builtin_printf): Likewise.
23021         (expand_builtin_fprintf): Likewise.
23022         (expand_builtin_sprintf): Likewise.
23023         (expand_builtin_init_trampoline): Likewise.
23024         (expand_builtin_signbit): Likewise.
23025         (expand_builtin_fork_or_exec): Likewise.
23026         (expand_builtin_sync_operation): Likewise.
23027         (expand_builtin_compare_and_swap): Likewise.
23028         (expand_builtin_lock_test_and_set): Likewise.
23029         (expand_builtin_lock_release): Likewise.
23030         (expand_builtin): Likewise.
23031         (builtin_mathfn_code): Likewise.
23032
23033         (fold_builtin_constant_p): Pass call arguments individually instead
23034         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23035         accessors and constructors.  Return NULL_TREE instead of 0.
23036         (fold_builtin_expect): Likewise.
23037         (fold_builtin_classify_type): Likewise.
23038         (fold_builtin_strlen): Likewise.
23039         (fold_builtin_nan): Likewise.
23040         (integer_valued_real_p): Likewise.
23041         (fold_trunc_transparent_mathfn): Likewise.
23042         (fold_fixed_mathfn): Likewise.
23043         (fold_builtin_cabs): Likewise.
23044         (fold_builtin_sqrt): Likewise.
23045         (fold_builtin_cbrt): Likewise.
23046         (fold_builtin_cos): Likewise.
23047         (fold_builtin_cosh): Likewise.
23048         (fold_builtin_tan): Likewise.
23049         (fold_builtin_sincos): Likewise.
23050         (fold_builtin_cexp): Likewise.
23051         (fold_builtin_trunc): Likewise.
23052         (fold_builtin_floor): Likewise.
23053         (fold_builtin_ceil): Likewise.
23054         (fold_builtin_round): Likewise.
23055         (fold_builtin_int_roundingfn): Likewise.
23056         (fold_builtin_bitop): Likewise.
23057         (fold_builtin_bswap): Likewise.
23058         (fold_builtin_logarithm): Likewise.
23059         (fold_builtin_hypot): Likewise.
23060         (fold_builtin_pow): Likewise.
23061         (fold_builtin_powi): Likewise.
23062         (fold_builtin_exponent): Likewise.
23063         (fold_builtin_memset): Likewise.
23064         (fold_builtin_bzero): Likewise.
23065         (fold_builtin_memory_op): Likewise.
23066         (fold_builtin_bcopy): Deleted; call site changed to invoke
23067         fold_builtin_memory_op directly.
23068         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23069         (fold_builtin_strncpy): Likewise.
23070         (fold_builtin_memcmp): Likewise.
23071         (fold_builtin_strcmp): Likewise.
23072         (fold_builtin_strncmp): Likewise.
23073         (fold_builtin_signbit): Likewise.
23074         (fold_builtin_copysign): Likewise.
23075         (fold_builtin_isascii): Likewise.
23076         (fold_builtin_toascii): Likewise.
23077         (fold_builtin_isdigit): Likewise.
23078         (fold_builtin_fabs): Likewise.
23079         (fold_builtin_abs): Likewise.
23080         (fold_builtin_fmin_fmax): Likewise.
23081         (fold_builtin_carg): Likewise.
23082         (fold_builtin_classify): Likewise.
23083         (fold_builtin_unordered_cmp): Likewise.
23084
23085         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23086         New functions split out from fold_builtin_1.
23087         (fold_builtin_n): New.
23088         (fold_builtin_varargs): New.
23089         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23090         instead.
23091         (fold_call_expr): New.
23092         (build_function_call_expr): Rewrite to use new helper function.
23093         (fold_builtin_call_list): New.
23094         (build_call_expr): New.
23095         (fold_builtin_call_valist): New.
23096         (rewrite_call_expr): New.
23097         (validate_arg): New.
23098         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23099         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23100         accessors.
23101
23102         (fold_builtin_strstr): Pass call arguments individually instead
23103         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23104         accessors and constructors.  Return NULL_TREE instead of 0.
23105         (fold_builtin_strchr): Likewise.
23106         (fold_builtin_strrchr): Likewise.
23107         (fold_builtin_strpbrk): Likewise.
23108         (fold_builtin_strcat): Likewise.
23109         (fold_builtin_strncat): Likewise.
23110         (fold_builtin_strspn): Likewise.
23111         (fold_builtin_strcspn): Likewise.
23112         (fold_builtin_fputs): Likewise.
23113         (fold_builtin_next_arg): Likewise.
23114         (fold_builtin_sprintf): Likewise.
23115
23116         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23117         NULL_RTX instead of 0.
23118         (expand_builtin_memory_chk): Likewise.
23119         (maybe_emit_chk_warning): Likewise.
23120         (maybe_emit_sprintf_chk_warning): Likewise.
23121
23122         (fold_builtin_object_size): Pass call arguments individually instead
23123         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23124         accessors and constructors.  Return NULL_TREE instead of 0.
23125         (fold_builtin_memory_chk): Likewise.
23126         (fold_builtin_stxcpy_chk): Likewise.
23127         (fold_builtin_strncpy_chk): Likewise.
23128         (fold_builtin_strcat_chk): Likewise.
23129         (fold_builtin_strcat_chk): Likewise.
23130         (fold_builtin_strncat_chk): Likewise.
23131         (fold_builtin_sprintf_chk): Likewise.
23132         (fold_builtin_snprintf_chk): Likewise.
23133         (fold_builtin_printf): Likewise.
23134         (fold_builtin_vprintf): Likewise.
23135
23136         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23137         constructors.
23138         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23139         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23140         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23141         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23142         (fold_unary): Likewise.
23143         (fold_binary): Likewise.
23144         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23145         ternary expressions.
23146         (fold): Add logic for tcc_vl_exp.
23147         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23148         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23149         (fold_build3_stat): Add assertion to flag broken interface for
23150         constructing CALL_EXPRs.
23151         (fold_build_call_list): New.
23152         (fold_build_call_list_initializer): New.
23153         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23154         constructors.
23155         (fold_strip_sign_ops): Likewise.
23156
23157 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23158             Brooks Moses  <brooks.moses@codesourcery.com>
23159             Lee Millward  <lee.millward@codesourcery.com>
23160
23161         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23162         accessors and dump arguments explicitly.
23163
23164         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23165         TREE_CODE_LENGTH.
23166         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23167         explicitly.
23168         (print_call_name): Use new CALL_EXPR accessors.
23169
23170         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23171         CALL_EXPR arguments explicitly instead of as a list.  Use
23172         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23173
23174         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23175         (vrp_visit_stmt): Likewise.
23176
23177         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23178         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23179         TREE_CODE_LENGTH.
23180         (force_move_till_expr): Likewise.
23181
23182         * targhooks.c (default_external_stack_protect_fail): Use
23183         build_call_expr instead of build_function_call_expr.
23184         (default_hidden_stack_protect_fail): Likewise.
23185
23186         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23187         build the call.
23188
23189         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23190         and walk arguments explicitly.
23191
23192         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23193         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23194         (expand_simple_operations): Likewise.
23195         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23196
23197         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23198         of TREE_CODE_LENGTH.
23199         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23200
23201         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23202         instead of TREE_CODE_LENGTH.
23203
23204         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23205         (tree_ic_transform): Likewise.
23206         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23207         parameter instead of arglist.  Fix callers.
23208         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23209         (tree_stringops_transform): Likewise.
23210         (tree_indirect_call_to_profile): Likewise.
23211         (tree_stringops_values_to_profile): Likewise.
23212
23213         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23214         (eliminate_tail_call): Likewise.
23215
23216         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23217
23218         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23219         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23220         operands.
23221         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23222
23223         * omp-low.c (build_omp_barrier): Use build_call_expr.
23224         (lower_rec_input_clauses): Likewise.
23225         (lower_reduction_clauses): Likewise.
23226         (expand_parallel_call): Likewise.
23227         (maybe_catch_exception): Likewise.
23228         (expand_omp_for_generic): Likewise.
23229         (expand_omp_for_static_nochunk): Likewise.
23230         (expand_omp_sections): Likewise.
23231         (lower_omp_single_simple): Likewise.
23232         (lower_omp_single_copy): Likewise.
23233         (lower_omp_master): Likewise.
23234         (lower_omp_ordered): Likewise.
23235         (lower_omp_critical): Likewise.
23236
23237         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23238         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23239
23240         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23241         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23242         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23243
23244         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23245         and generalize to handle any number of operands.
23246         (chrec_contains_undetermined): Likewise.
23247         (tree_contains_chrecs): Likewise.
23248         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23249
23250         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23251
23252         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23253         fold_call_expr instead of fold_builtin.
23254         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23255         match declarations there.
23256         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23257         updates.
23258
23259         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23260         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23261
23262         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23263         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23264
23265         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23266         accessors.
23267
23268         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23269         (execute_cse_sincos): Use new CALL_EXPR accessors.
23270
23271         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23272
23273         * gimple-low.c (lower_function_body): Use build_call_expr.
23274         (lower_builtin_setjmp): Likewise.
23275
23276         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23277         (set_storage_via_libcall): Likewise.
23278         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23279         instead of TREE_CODE_LENGTH.
23280         (expand_expr_real_1): Use new CALL_EXPR accessors.
23281
23282         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23283         generalize to handle any number of operands.
23284         (TB_parent_eq): Likewise.
23285
23286         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23287         (strip_builtin_expect): Likewise.
23288
23289         * function.c (gimplify_parameters): Use build_call_expr.
23290
23291         * tree-vectorizer.c (vect_is_simple_reduction): Use
23292         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23293
23294         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23295         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23296
23297         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23298         iterators.
23299
23300         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23301         (gimplify_decl_expr): Likewise.
23302         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23303         Use new CALL_EXPR iterators.
23304         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23305         (gimplify_modify_expr_to_memset): Likewise.
23306         (gimplify_variable_sized_compare): Likewise.
23307         (gimplify_omp_atomic_fetch_op): Likewise.
23308         (gimplify_omp_atomic_pipeline): Likewise.
23309         (gimplify_omp_atomic_mutex): Likewise.
23310         (gimplify_function_tree): Likewise.
23311
23312         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23313         (call_expr_flags): Likewise.
23314         (expand_call): Likewise.
23315
23316         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23317         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23318         accessors.
23319
23320         * coverage.c (create_coverage): Use build_call_expr.
23321
23322         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23323         (temp_call_expr_obstack): New.
23324         (pool_copy_list): Delete.
23325         (temp_copy_call_expr): New.
23326         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23327         CALL_EXPR accessors.  Get rid of special goo for copying argument
23328         lists and use temp_copy_call_expr instead.
23329         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23330         CALL_EXPR accessors.
23331         (create_expression_by_pieces): Likewise.  Use build_call_array
23332         to construct the result instead of fold_build3.
23333         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23334         dealing with argument lists.
23335         (init_pre): Remove references to expression_node_pool and
23336         list_node_pool.  Init temp_call_expr_obstack instead.
23337         (fini_pre): Remove references to expression_node_pool and
23338         list_node_pool.
23339
23340         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23341         and walk arguments explicitly instead of as a list.
23342
23343         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23344         (mx_register_decls): Likewise.
23345         (mudflap_register_call): Likewise.
23346         (mudflap_finish_file): Likewise.
23347
23348         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23349         (ipa_callsite_compute_param): Likewise.
23350
23351         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23352         accessors and constructor.
23353
23354         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23355         accessors and constructor.
23356         (convert_tramp_reference): Likewise.
23357         (convert_call_expr): Likewise.
23358         (finalize_nesting_tree_1): Likewise.
23359
23360         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23361         accessors.
23362
23363         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23364
23365         * tree-inline.c (initialize_inlined_parameters): Pass entire
23366         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23367         accessors.
23368         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23369         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23370
23371         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23372         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23373         (vectorizable_reduction): Likewise.
23374         (vectorizable_call): Use new CALL_EXPR iterators.
23375         (vectorizable_conversion): Use build_call_expr.
23376         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23377         (vect_gen_widened_results_half): Use build_call_expr.
23378         (vect_setup_realignment): Likewise.
23379         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23380
23381         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23382         (pass_through_call): Likewise.
23383         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23384         fold_builtin.
23385
23386         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23387         (tree_gen_pow2_profiler): Likewise.
23388         (tree_gen_one_value_profiler): Likewise.
23389         (tree_gen_ic_func_profiler): Likewise.
23390         (tree_gen_average_profiler): Likewise.
23391         (tree_gen_ior_profiler): Likewise.
23392
23393         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23394         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23395         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23396
23397         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23398         of TREE_CODE_LENGTH.
23399
23400         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23401         of TREE_CODE_LENGTH.
23402
23403         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23404         constructor.
23405         (convert_to_integer): Likewise.
23406
23407         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23408         accessors.
23409
23410 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23411             Brooks Moses  <brooks.moses@codesourcery.com>
23412             Lee Millward  <lee.millward@codesourcery.com>
23413
23414         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23415         accessors.
23416         * config/frv/frv.c (frv_expand_builtin): Likewise.
23417         * config/s390/s390.c (s390_expand_builtin): Likewise.
23418
23419         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23420         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23421
23422         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23423         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23424         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23425         (ix86_expand_store_builtin): Likewise.
23426         (ix86_expand_unop_builtin): Likewise.
23427         (ix86_expand_unop1_builtin): Likewise.
23428         (ix86_expand_sse_compare): Likewise.
23429         (ix86_expand_sse_comi): Likewise.
23430         (ix86_expand_vec_init_builtin): Likewise.
23431         (ix86_expand_vec_ext_builtin): Likewise.
23432         (ix86_expand_vec_set_builtin): Likewise.
23433         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23434
23435         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23436         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23437
23438         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23439         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23440         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23441
23442         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23443         build_call_expr.
23444         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23445         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23446         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23447         (altivec_expand_abs_builtin): Likewise.
23448         (rs6000_expand_binop_builtin): Likewise.
23449         (altivec_expand_predicate_builtin): Likewise.
23450         (altivec_expand_lv_builtin): Likewise.
23451         (spe_expand_stv_builtin): Likewise.
23452         (altivec_expand_stv_builtin): Likewise.
23453         (rs6000_expand_ternop_builtin): Likewise.
23454         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23455         (altivec_expand_st_builtin): Likewise.
23456         (altivec_expand_dst_builtin): Likewise.
23457         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23458         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23459         (altivec_expand_vec_set_builtin): Likewise.
23460         (altivec_expand_vec_ext_builtin): Likewise.
23461         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23462         (spe_expand_builtin): Likewise.
23463         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23464         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23465         (spe_expand_evsel_builtin): Likewise.
23466         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23467         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23468
23469         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23470         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23471         (arm_expand_unop_builtin): Likewise.
23472         (arm_expand_builtin): Use new CALL_EXPR accessors.
23473
23474         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23475         accessors.
23476
23477         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23478         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23479         Fix callers.
23480         (bfin_expand_unop_builtin): Likewise.
23481         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23482
23483 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23484             Brooks Moses  <brooks.moses@codesourcery.com>
23485             Lee Millward  <lee.millward@codesourcery.com>
23486
23487         * c-semantics.c (build_stmt): Add internal diagnostic check.
23488
23489         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23490         accessors.  Print arguments explicitly instead of as a list.
23491
23492         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23493
23494         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23495         (c_finish_omp_flish): Likewise.
23496
23497         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23498         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23499         instead of TREE_CODE_LENGTH.
23500         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23501         (c_warn_unused_result): Likewise.
23502
23503 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23504
23505         PR c/26494
23506         * doc/invoke.texi (Warning Options): Remove
23507         -Werror-implicit-function-declaration.
23508         (Wimplicit-function-declaration): Update description.
23509         * opts.c (common_handle_option): Move handling of -Werror=* to...
23510         (enable_warning_as_error): ...here.
23511         * opts.h (enable_warning_as_error): Declare.
23512         * c-decl.c (implicit_decl_warning): Unless
23513         -Wno-implicit-function-declaration is given, emit a pedwarn if
23514         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23515         * c.opt (Wimplicit-function-declaration): Replace
23516         mesg_implicit_function_declaration with
23517         warn_implicit_function_declaration.
23518         * c-opts.c (c_common_handle_option):
23519         -Werror-implicit-function-declaration is exactly equal as
23520         -Werror=implicit-function-declaration.
23521         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23522         warn_implicit_function_declaration.
23523         (c_common_post_options): -Wimplict-function-declaration is enabled
23524         by default by -std=c99, otherwise is disabled by default.
23525         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23526
23527 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23528
23529         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23530         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23531         former is ignored but not the latter.
23532
23533 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23534
23535         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23536         is made and the reference doesn't use the alias set of its type,
23537         do not create the temporary using that type.
23538
23539 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23540
23541         * jump.c: Remove prototypes for delete_computation and
23542         delete_prior_computation.
23543
23544 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23545
23546         * jump.c (get_label_after): Delete.
23547         (get_label_before, delete_computation, delete_jump,
23548         delete_prior_computation, follow_jumps): Move...
23549         * reorg.c (delete_computation, delete_prior_computation): ... here...
23550         (get_label_before, delete_jump): ... making these static ...
23551         (follow_jumps): ... and simplifying this since it only runs after
23552         reload.
23553         * rtl.h (get_label_after, get_label_before, delete_jump,
23554         follow_jumps): Delete prototypes.
23555
23556 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23557
23558         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23559
23560 2007-02-15  Nick Clifton  <nickc@redhat.com>
23561
23562         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23563         order to prevent it from being munged by the target.
23564
23565 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23566
23567         * config/i386/i386.md: Remove misleading comment.
23568
23569 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23570
23571         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23572         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23573         invalid patterns.
23574
23575 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23576
23577         * tree-sra.c (instantiate_missing_elements): Canonicalize
23578         bit-field types.
23579         (sra_build_assignment): New.
23580         (generate_copy_inout, generate_element_copy,
23581         generate_element_zero, generate_one_element_init): Use it.
23582
23583 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23584
23585         * tree-sra.c (instantiate_missing_elements): Canonicalize
23586         bit-field types.
23587         (sra_build_assignment): New.
23588         (generate_copy_inout, generate_element_copy,
23589         generate_element_zero, generate_one_element_init): Use it.
23590
23591 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23592
23593         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23594         limbo die nodes.
23595
23596 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23597
23598         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23599         types as aggregates not scalars.
23600         * function.c (assign_stack_temp_for_type): Likewise.
23601
23602 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23603             Zdenek Dvorak  <dvorakz@suse.cz>
23604
23605         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23606         name.
23607
23608 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23609
23610         * passes.c (next_pass_1): Clear the next field of the copied
23611         pass structure.
23612
23613 2007-02-14  Richard Henderson  <rth@redhat.com>
23614
23615         * tree-sra.c (early_sra): New.
23616         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23617         (tree_sra_early, pass_sra_early): New.
23618         * tree-pass.h (pass_sra_early): Declare.
23619         * passes.c (init_optimization_passes): Use it.
23620
23621 2007-02-14  Richard Guenther  <rguenther@suse.de>
23622
23623         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23624
23625 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23626
23627          PR tree-optimization/30771
23628         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23629         also phi nodes.
23630         (vect_analyze_operations): Induction phis can now be marked as
23631         used_in_loop.
23632         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23633         Update documentation accordingly.
23634
23635 2007-02-14  Nick Clifton  <nickc@redhat.com>
23636
23637         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23638         most 3 arguments are supported.
23639         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23640
23641 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23642
23643         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23644         Ensure dst->current is valid.
23645
23646 2007-02-13  Paul Brook  <paul@codesourcery.com>
23647
23648         * config.gcc: Add arm*-*-uclinux-*eabi.
23649         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23650         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23651         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23652         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23653         (LINK_SPEC): Define.
23654         (LIB_SPEC): Define.
23655         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23656         register.
23657         * config/arm/uclinux-eabi.h: New file.
23658         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23659         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23660         based targets.
23661
23662 2007-02-13  Ian Lance Taylor  <iant@google.com>
23663
23664         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23665         * flags.h (warn_strict_overflow): Declare.
23666         (enum warn_strict_overflow_code): Define.
23667         (issue_strict_overflow_warning): New static inline function.
23668         * opts.c (warn_strict_overflow): New variable.
23669         (common_handle_option): Handle OPT_Wstrict_overflow and
23670         OPT_Wstrict_overflow_.
23671         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23672         OPT_Wall.
23673         * fold-const.c: Include intl.h.
23674         (fold_deferring_overflow_warnings): New static variable.
23675         (fold_deferred_overflow_warning): New static variable.
23676         (fold_deferred_overflow_code): New static variable.
23677         (fold_defer_overflow_warnings): New function.
23678         (fold_undefer_overflow_warnings): New function.
23679         (fold_undefer_and_ignore_overflow_warnings): New function.
23680         (fold_deferring_overflow_warnings_p): New function.
23681         (fold_overflow_warning): New static function.
23682         (make_range): Add strict_overflow_p parameter.  Change all
23683         callers.
23684         (extract_muldiv, extract_muldiv_1): Likewise.
23685         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23686         tree_expr_nonnegative_p.
23687         (fold_negate_expr): Call fold_overflow_warning.
23688         (fold_range_test): Likewise.
23689         (fold_comparison): Likewise.
23690         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23691         instead of tree_expr_nonnegative_p.
23692         (tree_expr_nonnegative_warnv_p): Rename from
23693         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23694         (tree_expr_nonnegative_p): New function.
23695         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23696         strict_overflow_p parameter.
23697         (tree_expr_nonzero_p): New function.
23698         * passes.c (verify_interpass_invariants): New static function.
23699         (execute_one_pass): Call it.
23700         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
23701         warnings.
23702         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
23703         (estimate_numbers_of_iterations): Likewise.
23704         (scev_probably_wraps_p): Likewise.
23705         * tree-ssa-ccp.c: Include "toplev.h".
23706         (evaluate_stmt): Defer fold overflow warnings until we know we are
23707         going to optimize.
23708         (struct fold_stmt_r_data): Add stmt field.
23709         (fold_stmt_r): Defer fold overflow warnings until we know we
23710         optimized.
23711         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
23712         (fold_stmt_inplace): Likewise.
23713         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
23714         (cleanup_control_expr_graph): Defer fold overflow warnings until
23715         we know we are going to optimize.
23716         * tree-cfg.c (fold_cond_expr_cond): Likewise.
23717         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
23718         Likewise.
23719         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
23720         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
23721         * tree-ssa-loop-manip.c (create_iv): Likewise.
23722         * c-typeck.c (build_conditional_expr): Likewise.
23723         (build_binary_op): Likewise.
23724         * tree-vrp.c (vrp_expr_computes_nonzero): Call
23725         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
23726         (extract_range_from_unary_expr): Likewise.
23727         * simplify-rtx.c (simplify_const_relational_operation): Warn when
23728         assuming that signed overflow does not occur.
23729         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
23730         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
23731         (fold_defer_overflow_warnings): Declare.
23732         (fold_undefer_overflow_warnings): Declare.
23733         (fold_undefer_and_ignore_overflow_warnings): Declare.
23734         (fold_deferring_overflow_warnings_p): Declare.
23735         (tree_expr_nonzero_warnv_p): Declare.
23736         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
23737         of warning options.
23738         (Warning Options): Document -Wstrict-overflow.
23739         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
23740         (tree-ssa-ccp.o): Likewise.
23741         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
23742         (fold-const.o): Depend on intl.h.
23743
23744 2007-02-13  Ian Lance Taylor  <iant@google.com>
23745
23746         PR middle-end/30751
23747         * lower-subreg.c (resolve_simple_move): Decompose subregs in
23748         addresses.
23749
23750 2007-02-13  Stuart Hastings  <stuart@apple.com>
23751
23752         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
23753
23754 2007-02-13  Richard Henderson  <rth@redhat.com>
23755
23756         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
23757         handled_component_p before looking for the indirect_ref.
23758
23759 2007-02-13  Richard Henderson  <rth@redhat.com>
23760
23761         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
23762         remove flags clobber.
23763         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
23764         (bswaphi_lowpart): New.
23765         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
23766         remove TARGET_BSWAP test.  Delete expander of the same name.
23767
23768         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
23769         (expand_unop): Use them.
23770
23771 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
23772
23773         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
23774         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
23775         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
23776         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
23777         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
23778         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
23779         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
23780         assembler dialect choice from asm templates.
23781
23782 2007-02-12  Richard Henderson  <rth@redhat.com>
23783
23784         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
23785         (fixuns_trunc<SSEMODEF>si2): Use it.
23786         * config/i386/sse.md (vec_setv4sf_0): Export.
23787         * config/i386/i386.c (ix86_build_const_vector): Export.
23788         (ix86_split_convert_uns_si_sse): Rename from
23789         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
23790         * config/i386/i386-protos.h: Update.
23791
23792 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23793
23794         PR c/29521
23795         * c-typeck.c (c_finish_return): Improve warning message.
23796
23797 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23798
23799         * alias.c (find_symbolic_term): Delete unused function.
23800
23801 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
23802
23803         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
23804         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
23805         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
23806
23807 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23808
23809         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
23810         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
23811         the function, temporarily point the debug interface to the null one.
23812
23813 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23814
23815         * dwarf2out.c (round_up_to_align): New static function.
23816         (field_byte_offset): Use it to round the offset.
23817
23818 2007-02-12  Richard Henderson  <rth@redhat.com>
23819
23820         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
23821         (inswl_const): Export.
23822
23823 2007-02-12  Richard Henderson  <rth@redhat.com>
23824
23825         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
23826         result mode of the libcall, convert back to outmode.
23827
23828 2007-02-12  Roger Sayle  <roger@eyesopen.com>
23829
23830         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
23831         (bswapdi2): New define_expand to implement 32-bit implementation.
23832
23833 2007-02-12  Nick Clifton  <nickc@redhat.com>
23834
23835         * doc/invoke.texi (Overall Options): Document --help=.
23836         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
23837         (cc1_options): Pass --help= on to cc1.
23838         (display_help): Add description of --help=.
23839         (process_command): Add code to handle --help=.  Allow translated
23840         --help and --target-help switches to be passed on to compiler
23841         sub-process.
23842         (main): Remove unused if statement.
23843         * opts.c (columns): Remove.
23844         (LEFT_COLUMN): Define.
23845         (wrap_help): Add columns argument.
23846         (print_filtered_help): Change parameters to be an include bitmask,
23847         an exclude bitmask, an any bitmask and the column width.  Move the
23848         code to display the params list here.  Add code to display the
23849         status of options rather than their descriptions if the quiet flag
23850         is not active.
23851         (print_specific_help): Change parameters to be an include bitmask,
23852         an exclude bitmask and an any bitmask.  Move code to look up the
23853         column width here.  Decide upon the title for an options listing.
23854         (common_handle_options): Add code to handle --help=.  Adapt code
23855         for --help and --target-help to use the revised form of the
23856         print_specific_help function.
23857         (print_help): Delete.
23858         (print_param_help): Delete.
23859         (print_switch): Delete.
23860         * opts.h (cl_lang_count): Add prototype.
23861         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
23862         CL_MAX_OPTION_CLASS): New defines.
23863         * optc-gen.awk: Add construction of cl_lang_count.
23864         * c.opt: Add Warning attribute to warning options and Optimization
23865         attribute to optimization options.
23866         * common.opt: Likewise.
23867         Add --help=.
23868         Add -fhelp and -ftarget-help as aliases for the transformed --help
23869         and --target-help options.
23870         * opt-functions.awk: Add code to handle Warning and Optimization
23871         attributes.
23872
23873 2007-02-12  Richard Henderson  <rth@redhat.com>
23874
23875         * config/alpha/constraints.md: New file.
23876         * config/alpha/alpha.c: Include tm-constrs.h.
23877         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
23878         alpha_extra_constraint): Remove.
23879         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
23880         * config/alpha/alpha-protos.h: Update.
23881         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
23882         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
23883         (EXTRA_CONSTRAINT): Remove.
23884         * config/alpha/alpha.md: Include constraints.md.
23885         (adddi splitter): Use satisfies_constraint_*.
23886         * config/alpha/predicates.md (add_operand): Likewise.
23887         (sext_add_operand, addition_operation): Likewise.
23888
23889 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
23890
23891         PR tree-optimization/29145
23892         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
23893         in our handling of restrict qualified pointers.
23894
23895 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23896
23897         PR middle-end/7651
23898         * doc/invoke.texi (Wunused-value): Update description.
23899         (Wextra): Delete item.
23900         * opts.c (set_Wextra): Don't use the value of Wextra to set the
23901         value of Wunused-value.
23902         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
23903         (c_finish_stmt_expr): Don't check extra_warnings.
23904         (emit_side_effect_warnings): The caller is responsible to check
23905         warn_unused_value.
23906
23907 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23908             Matt Thomas  <matt@3am-software.com>
23909
23910         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
23911
23912 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23913
23914         * simplify-rtx.c (simplify_relational_operation_1): Optimize
23915         comparisons of POPCOUNT against zero.
23916         (simplify_const_relational_operation): Likewise.
23917
23918 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23919
23920         * doc/invoke.texi (Wextra): Delete outdated paragraph.
23921
23922 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23923
23924         * dwarf2out.c (root_type): Delete unused function.
23925
23926 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23927
23928         * genattrtab.c (contained_in_p): Delete unused function.
23929         (write_expr_attr_cache): Likewise.
23930
23931 2007-02-11  Jan Hubicka  <jh@suse.cz>
23932
23933         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
23934         previous patch.
23935
23936 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
23937
23938         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
23939         to add the REG_EQ* note.
23940         * see.c (see_merge_one_use_extension): Likewise.
23941         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
23942         turn REG_EQUAL notes into REG_EQUIV notes if the target
23943         register may have more than one set.
23944         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
23945         * gcse.c (try_replace_reg): Likewise.
23946         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
23947         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
23948         more than one REG_EQUIV note.
23949         * reload1.c (gen_reload): Use set_unique_reg_note.
23950
23951 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
23952
23953         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
23954         (ix86_builtin_conversion): New function.
23955
23956 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
23957
23958         PR target/29487
23959         * tree.h (DECL_REPLACEABLE_P): New macro.
23960         * except.c (set_nothrow_function_flags): Likewise.
23961
23962 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
23963             Ira Rosen  <irar@il.ibm.com>
23964             Dorit Nuzman  <dorit@il.ibm.com>
23965
23966         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
23967         * targhooks.c (default_builtin_vectorized_conversion): New.
23968         * targhooks.h (default_builtin_vectorized_function): New declaration.
23969         * target.h (struct vectorize): Add builtin_conversion field.
23970         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
23971         stmt_vec_info_type value.
23972         (vectorizable_conversion): New declaration.
23973         * tree-vect-analyze.c (vect_analyze_operations): Add
23974         vectorizable_conversion call.
23975         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
23976         * tree-vect-transform.c (vectorizable_conversion): New function.
23977         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
23978         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
23979         mode.
23980         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
23981         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
23982         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
23983         or ALTIVEC_BUILTIN_VCFSX.
23984
23985 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23986
23987         PR target/30634
23988         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
23989         CONST_DOUBLE and operand 0 is a hard register.
23990         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
23991         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
23992         is a hard floating-point register.
23993
23994 2007-02-10  Richard Henderson  <rth@redhat.com>
23995             Jakub Jelinek  <jakub@redhat.com>
23996             Alexandre Oliva  <aoliva@redhat.com>
23997
23998         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
23999         * builtin-types.def (BT_WORD): Make unsigned.
24000         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
24001         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
24002         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24003         * c-decl.c (grokdeclarator): Don't error if !have_tls.
24004         * c-parser.c (c_parser_omp_threadprivate): Likewise.
24005         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
24006         emulated tls.
24007         * expr.c (emutls_var_address): New.
24008         (expand_expr_real_1): Expand emulated tls.
24009         (expand_expr_addr_expr_1): Likewise.
24010         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
24011         * output.h (emutls_finish): Declare.
24012         * toplev.c (compile_file): Call it.
24013         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
24014         address before wrapping in CONST.
24015         * varasm.c (emutls_htab, emutls_object_type): New.
24016         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24017         (get_emutls_object_name, get_emutls_object_type): New.
24018         (get_emutls_init_templ_addr, emutls_decl): New.
24019         (emutls_common_1, emutls_finish): New.
24020         (assemble_variable): When emulating tls, swap decls; generate
24021         constructor for the emutls objects.
24022         (do_assemble_alias): When emulating tls, swap decl and target name.
24023         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24024         for emulated tls.
24025         * varpool.c (decide_is_variable_needed): Look at force_output.
24026         Recurse for emulated tls.
24027         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24028         with decide_is_variable_needed.
24029         * emutls.c: New file.
24030         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24031         tls_object for real tls.
24032
24033 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24034
24035         PR rtl-optimization/29599
24036         * reload1.c (eliminate_regs_in_insn): Take the destination
24037         mode into account when computing the offset.
24038
24039 2007-02-09  Stuart Hastings  <stuart@apple.com>
24040             Richard Henderson  <rth@redhat.com>
24041
24042         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24043         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24044         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24045         fixuns_truncdfhi2): New.
24046         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24047         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24048         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24049         (floatunssidf2): Allow nonimmediate source.
24050         * config/i386/sse.md (movdi_to_sse): New.
24051         (vec_concatv2di): Drop '*'.
24052         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24053         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24054         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24055         New.
24056         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24057         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24058         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24059         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24060         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24061         ix86_build_const_vector.
24062         (x86_emit_floatuns): Rewrite.
24063
24064 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24065
24066         * genautomata.c (longest_path_length): Delete unused function.
24067         (struct state): Delete unused longest_path_length.
24068         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24069         (get_free_state): Delete unused.
24070
24071 2007-02-09  Jan Hubicka  <jh@suse.cz>
24072
24073         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24074         * doc/invoke.texi (inline-unit-growth): Update default value.
24075
24076         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24077         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24078         (rebuild_cgraph_edges): Likewise.
24079         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24080         (dump_cgraph_node): Dump frequencies.
24081         (cgraph_clone_edge): Add frequency scales.
24082         (cgraph_clone_node): Add freuqnecy.
24083         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24084         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24085         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24086         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24087         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24088         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24089         (save_inline_function_body): Likewise.
24090         * ipa-inline.c: inluce rtl.h
24091         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24092         (cgraph_edge_badness): Use frequencies.
24093         (cgraph_decide_recursive_inlining): Update clonning.
24094         (cgraph_decide_inlining_of_small_function): Dump frequency.
24095         * predict.c (estimate_bb_frequencies): Export.
24096         * predict.h (estimate_bb_frequencies): Declare.
24097         * tree-inline.c (copy_bb): Watch overflows.
24098         (expand_call_inline): Update call of cgraph_create_edge.
24099         (optimize_inline_calls): Use TODO flags to update frequnecies.
24100         * passes.h: Include predict.h
24101         (init_optimization_passes): Move profile ahead.
24102         (execute_function_todo): Handle TODO_rebuild_frequencies.
24103
24104 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24105
24106         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24107         the insbl or inswl pattern into a register.
24108
24109 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24110
24111         * config/ia64/ia64.md (bswapdi2): New define_insn.
24112
24113 2007-02-09  Richard Henderson  <rth@redhat.com>
24114
24115         * config/i386/constraints.md (Ym): New constraint.
24116         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24117         (movdi_1_rex64): Split sse and xmm general register moves from
24118         memory move alternatives.  Use conditional register constraints.
24119         (movsf_1, movdf_integer): Likewise.
24120         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24121         (movdf_integer_rex64): New.
24122         (pushsf_rex64): Fix output constraints.
24123         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24124         (sse2_stored): Likewise.
24125         (sse2_storeq_rex64): New.
24126         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24127         amd and not generic.
24128         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24129         for optimize_size.  Remove SF/DFmode hack.
24130
24131 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24132
24133         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24134         (bit_SSE4a): New.
24135
24136 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24137             Richard Sandiford  <richard@codesourcery.com>
24138
24139         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24140         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24141         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24142         m68k/t-mlib to tmake_file.
24143         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24144         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24145         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24146         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24147         variable is not empty, add t-$m68k_arch_family to tmake_file.
24148         Add t-mlibs to tmake_file.
24149         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24150         * config/m68k/t-cf: New file.
24151         * config/m68k/t-m68k: Likewise.
24152         * config/m68k/t-mlibs: Likewise.
24153         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24154         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24155         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24156         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24157         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24158         Delete.
24159         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24160         (INSTALL_LIBGCC): Delete.
24161         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24162         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24163         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24164         (M68K_MLIB_CPU): Define.
24165         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24166         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24167         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24168
24169 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24170             Richard Guenther  <rguenther@suse.de>
24171
24172         PR middle-end/23361
24173         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24174         against INT_MIN/INT_MAX.
24175         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24176         file if a loop is removed.
24177
24178 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24179
24180         * calls.c (store_one_arg): Pass correct alignment to
24181         emit_push_insn for non-BLKmode values.
24182         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24183         unaligned stack slot via a suitably aligned slot.
24184
24185 2007-02-08  DJ Delorie  <dj@redhat.com>
24186
24187         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24188         warnings.
24189         (legal_subregs): Use unsigned char, make const.
24190         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24191
24192 2007-02-08  Paul Brook  <paul@codesourcery.com>
24193
24194         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24195         special interworking needed.
24196
24197 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24198
24199         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24200         conditional to __SSE2__.
24201         (Entries below should have been added to first ChangeLog
24202         entry for amdfam10 dated 2007-02-05)
24203         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24204         defined.
24205         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24206         defined.
24207         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24208         defined.
24209
24210 2007-02-08  DJ Delorie  <dj@redhat.com>
24211
24212         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24213         * config/m32c/m32c.c (legal_subregs): New.
24214         (m32c_illegal_subreg_p): New.
24215         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24216         unsupported subregs of hard regs.
24217
24218 2007-02-08  Jan Hubicka  <jh@suse.cz>
24219
24220         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24221         the same one; always update histograms.
24222
24223 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24224
24225         * passes.c (init_optimization_passes): Tidy comment.
24226
24227 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24228
24229         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24230         strip zero_extend, bswap and rotates from POCOUNT's argument.
24231         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24232         zero_extend and rotates from PARITY's argument.
24233         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24234         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24235         of an integer constant at compile-time.
24236
24237 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24238
24239         PR 30562
24240         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24241         Update all users.
24242         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24243         users.
24244         (init_alias_info):
24245         * tree-ssa-live.c (remove_unused_locals): Do not remove
24246         TREE_ADDRESSABLE variables.
24247         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24248         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24249         FOR_CLOBBER.  Update all users.
24250         If VAR has an associated alias set, add a virtual operand for
24251         it if no alias is found to conflict with the memory reference.
24252
24253 2007-02-07  Jan Hubicka  <jh@suse.cz>
24254             Robert Kidd <rkidd@crhc.uiuc.edu>
24255
24256         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24257
24258 2007-02-07  Ian Lance Taylor  <iant@google.com>
24259
24260         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24261
24262 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24263
24264         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24265         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24266         tablejumpdi, movsi_to_cr_one): Remove constraints from
24267         define_expand's match_operands.
24268
24269 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24270
24271         * global.c (compute_regsets): Move declatation of "i" inside of
24272         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24273
24274 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24275
24276         PR c++/30703
24277         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24278         of INDIRECT_REF <RESULT_DECL>.
24279
24280         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24281
24282 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24283             Kaz Kojima  <kkojima@gcc.gnu.org>
24284
24285         PR target/29746
24286         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24287         properly.
24288         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24289
24290 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24291
24292         * doc/loop.texi: Document possibility not to perform disambiguation
24293         of loops with multiple latches.
24294         * cfgloopmanip.c (alp_enum_p): Removed.
24295         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24296         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24297         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24298         the new forwarder block.
24299         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24300         Handle the case latch is NULL.
24301         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24302         modifications when marking loop exits.
24303         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24304         be modified.
24305         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24306         disambiguate_loops_with_multiple_latches.
24307         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24308         before fix_loop_structure.
24309         * cfgloop.c: Include pointer-set.h and output.h.
24310         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24311         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24312         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24313         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24314         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24315         disambiguate_multiple_latches, get_loop_body_with_size,
24316         disambiguate_loops_with_multiple_latches): New functions.
24317         (flow_loop_dump): Dump multiple latch edges.
24318         (flow_loop_nodes_find): Handle loops with multiple latches.
24319         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24320         (glb_enum_p): Modified.
24321         (get_loop_body): Use get_loop_body_with_size.
24322         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24323         (AVOID_CFG_MODIFICATIONS): New constant.
24324         (disambiguate_loops_with_multiple_latches, add_loop,
24325         get_loop_body_with_size): Declare.
24326         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24327
24328 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24329
24330         PR inline-asm/28686
24331         * global.c (compute_regsets): New function.
24332         (global_alloc): Refactored ELIMINABLE_REGSET
24333         and NO_GLOBAL_ALLOC_REGS computation out.
24334         (rest_of_handle_global_alloc): Call compute_regsets()
24335         for non-optimizing case.
24336
24337 2007-02-06  Richard Henderson  <rth@redhat.com>
24338
24339         * config/i386/constraints.md (Y2): Rename from Y.
24340         (Yi): New constraint.
24341         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24342         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24343         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24344         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24345         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24346         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24347         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24348         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24349         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24350         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24351         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24352         vec_extractv2si_1): Change Y constraints to Y2.
24353         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24354         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24355         Change Y constraints to Y2.
24356         (sse2_loadld): Change Y constraints to x.
24357
24358 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24359
24360         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24361         (parity<mode>2): New define_expand using rs6000_emit_parity.
24362         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24363         rs6000_emit_parity): New functions.
24364         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24365         rs6000_emit_parity): Prototype here.
24366
24367 2007-02-06  Ian Lance Taylor  <iant@google.com>
24368
24369         * lower-subreg.c (simple_move_operand): Reject CONST.
24370         (resolve_clobber): Call validate_change rather than directly
24371         assigning to XEXP (pat, 0).
24372
24373 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24374
24375         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24376         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24377         (tree-cfg.o): Remove hashtab.h dependency.
24378
24379         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24380         (struct ivopts_data): Change niters to pointer_map_t.
24381         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24382         (niter_for_exit): Create pointer_map on demand.  Change for
24383         pointer_map API.
24384         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24385         (free_loop_data): Destroy data->niters if created and reset field.
24386         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24387         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24388
24389         * tree-ssa-reassoc.c: Include pointer-set.h.
24390         (bb_rank): Change to long *.
24391         (operand_rank): Change to pointer_map_t.
24392         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24393         (insert_operand_rank): Accept long.
24394         (operand_entry_hash, operand_entry_eq): Remove.
24395         (get_rank): Return long.  Adjust for changes above.
24396         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24397         and operand_rank.
24398         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24399
24400         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24401         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24402         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24403         is not NULL.
24404         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24405         directly since it cannot be NULL.
24406         (get_vi_for_tree): Rewrite for pointer_map API.
24407         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24408         (init_alias_vars): Create vi_for_tree as pointer_map.
24409         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24410
24411         * tree-cfg.c: Don't include hashtab.h.
24412         (edge_to_cases): Declare as pointer_map.
24413         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24414         Delete.
24415         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24416         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24417         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24418         destroying it.
24419         (record_switch_edge): Delete.
24420         (get_cases_for_edge): Adjust for pointer_map API, inline
24421         record_switch_edge (rewritten for new API), remove goto.
24422
24423 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24424
24425         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24426         * tree-nested.c: Include pointer-set.h.
24427         (var_map_elt, var_map_eq, var_map_hash): Delete.
24428         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24429         to pointer_map_t's.
24430         (nesting_info_bitmap_obstack): New.
24431         (lookup_field_for_decl): Adjust for pointer_map API.
24432         (lookup_tramp_for_decl): Adjust for pointer_map API.
24433         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24434         (get_local_debug_decl): Adjust for pointer_map API.
24435         (convert_nl_goto_reference): Adjust for pointer_map API.
24436         (convert_nl_goto_receiver): Adjust for pointer_map API.
24437         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24438         the new obstack.  Create field_map and var_map as pointer_maps.
24439         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24440         (root): Delete.
24441         (lower_nested_functions): Move root here, no need to NULL it.
24442         Initialize and release the obstack.
24443
24444 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24445
24446         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24447         Remove prototypes and make them non-static.
24448         (struct tree_int_map): Remove.
24449         * tree.h (struct tree_int_map): Move here, turning TO into an
24450         unsigned int.
24451         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24452
24453         * tree.h (TREE_COMPLEXITY): Remove.
24454         (struct tree_exp): Remove complexity field.
24455         * tree.c (build1_stat): Don't set it.
24456
24457 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24458             Victor Kaplansky  <victork@il.ibm.com>
24459
24460         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24461         (vect_is_simple_reduction): Support reduction with induction as
24462         one of the operands.
24463         (vect_is_simple_iv_evolution): Fix formatting.
24464         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24465         formatting.  Don't mark induction phis for vectorization.
24466         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24467         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24468         (vect_get_vec_def_for_operand): Support induction.
24469         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24470         induction case.
24471         (vectorizable_reduction): Support reduction with induction as one of
24472         the operands.
24473         (vectorizable_type_demotion): Use def-type of stmt argument rather
24474         than dummy def-type.
24475
24476         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24477         flag_tree_scev_cprop.
24478         * common.opt (tree-scev-cprop): New flag.
24479
24480         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24481         call to vect_get_new_vect_var.
24482
24483 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24484
24485         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24486         vectype is not NULL.
24487         (vect_pattern_recog_1): Likewise.
24488
24489 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24490
24491         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24492         (fold_negate_expr): Likewise.
24493
24494 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24495
24496         PR debug/30189
24497         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24498         even if cv-qualification is the same.
24499
24500 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24501
24502         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24503         __enable_execute_stack on completion.
24504
24505 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24506
24507         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24508         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24509         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24510         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24511         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24512         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24513         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24514         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24515
24516 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24517
24518         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24519         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24520         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24521         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24522         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24523         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24524         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24525         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24526         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24527         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24528         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24529         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24530         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24531         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24532         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24533         sqrtextenddfxf2_i387): Added amdfam10_decode.
24534
24535         * config/i386/athlon.md (athlon_idirect_amdfam10,
24536         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24537         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24538         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24539         athlon_ivector_store_amdfam10): New define_insn_reservation.
24540         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24541         amdfam10.
24542
24543 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24544
24545         * config/i386/athlon.md (athlon_call_amdfam10,
24546         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24547         define_insn_reservation.
24548         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24549         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24550         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24551
24552 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24553
24554         * config/i386/athlon.md (athlon_sseld_amdfam10,
24555         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24556         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24557
24558 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24559
24560         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24561         define_insn_reservation.
24562         * config/i386/i386.md (sseins): Added sseins to define_attr type
24563         and define_attr unit.
24564         * config/i386/sse.md: Set type attribute to sseins for insertq
24565         and insertqi.
24566
24567 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24568
24569         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24570         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24571         ssecomi_load_amdfam10, ssecomi_amdfam10,
24572         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24573         define_insn_reservation.
24574         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24575
24576 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24577
24578         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24579         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24580         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24581         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24582         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24583         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24584         define_insn_reservation.
24585
24586         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24587         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24588         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24589         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24590         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24591
24592 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24593
24594         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24595         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24596         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24597         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24598         athlon_ssemul_load_k8): Added amdfam10.
24599
24600 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24601
24602         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24603         (x86_sse_unaligned_move_optimal): New variable.
24604
24605         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24606         m_AMDFAM10.
24607         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24608         for unaligned vector SSE double/single precision loads for AMDFAM10.
24609
24610 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24611
24612         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24613         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24614         Define TARGET_CPU_DEFAULT_amdfam10.
24615         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24616         (processor_type): Add PROCESSOR_AMDFAM10.
24617
24618         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24619         processor_type in config/i386/i386.h.
24620         Enable imul peepholes for TARGET_AMDFAM10.
24621
24622         * config.gcc: Add support for --with-cpu option for amdfam10.
24623
24624         * config/i386/i386.c (amdfam10_cost): New variable.
24625         (m_AMDFAM10): New macro.
24626         (m_ATHLON_K8_AMDFAM10): New macro.
24627         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24628         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24629         x86_promote_QImode, x86_integer_DFmode_moves,
24630         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24631         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24632         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24633         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24634         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24635         Enable/disable for amdfam10.
24636         (override_options): Add amdfam10_cost to processor_target_table.
24637         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24638         processor_alias_table.
24639         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24640         (ix86_adjust_cost): Add code for amdfam10.
24641
24642 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24643
24644         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24645         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24646         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24647         * config/i386/i386.h: Add builtin definition for SSE4A.
24648         * config/i386/i386.md: Add support for ABM instructions
24649         (popcnt and lzcnt).
24650         * config/i386/sse.md: Add support for SSE4A instructions
24651         (movntss, movntsd, extrq, insertq).
24652         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24653         Add -march=amdfam10 flag.
24654         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24655         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24656         and amdfam10.
24657         * doc/extend.texi: Add documentation for SSE4A builtins.
24658
24659 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24660
24661         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24662
24663 2007-02-05  Richard Guenther  <rguenther@suse.de>
24664
24665         * tree-vectorizer.h (vectorizable_function): Add argument type
24666         argument, change return type.
24667         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24668         * tree-vect-transform.c (vectorizable_function): Handle extra
24669         argument, return vectorized function decl.
24670         (build_vectorized_function_call): Remove.
24671         (vectorizable_call): Handle calls with result and argument types
24672         differing.  Handle loop vectorization factor correctly.
24673         * targhooks.c (default_builtin_vectorized_function): Adjust for
24674         extra argument.
24675         * targhooks.h (default_builtin_vectorized_function): Likewise.
24676         * target.h (builtin_vectorized_function): Add argument type
24677         argument.
24678         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24679         extra argument, allow vectorizing of lrintf.
24680         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24681         documentation of target hook.
24682
24683 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24684
24685         PR target/30665
24686         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24687         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24688         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24689
24690 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24691
24692         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24693         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24694         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24695         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24696         before canonicalizing sincos to cexpi.
24697         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
24698
24699 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24700
24701         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
24702         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
24703         (alpha_init_builtins): Use alpha_add_builtins to process tables.
24704
24705 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24706
24707         * mips-tfile.c (initialize_init_file): Correct endianness test.
24708
24709 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
24710
24711         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
24712         the 'y' constraint.
24713
24714 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24715
24716         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
24717         saves in a PARALLEL before the register assignments.
24718
24719 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24720
24721         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
24722         DWARF_FRAME_RETURN_COLUMN to be a general register.
24723         * dwarf2out.c (init_return_column_size): New function, split from...
24724         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
24725         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
24726         to be nongeneral registers.
24727         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
24728         integer registers.
24729         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
24730         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
24731
24732 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24733
24734         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
24735
24736 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24737
24738         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
24739         (remove_path): Use can_remove_branch_p and remove_branch instead
24740         of loop_delete_branch_edge.
24741         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
24742         (tree_transform_and_unroll_loop): Remove dead branches immediately.
24743         Update profile using scale_dominated_blocks_in_loop.
24744         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
24745         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
24746         (can_remove_branch_p, remove_branch): Declare.
24747         * tree-cfg.c (tree_can_remove_branch_p): New function.
24748         (tree_cfg_hooks): Add tree_can_remove_branch_p.
24749         * cfgrtl.c (rtl_can_remove_branch_p): New function.
24750         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
24751
24752 2007-02-05  Jan Hubicka  <jh@suse.cz>
24753
24754         PR middle-end/30696
24755         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
24756         nodes in cgraph, don't remove offline copy of the function.
24757
24758 2007-02-04  Jan Hubicka  <jh@suse.cz>
24759
24760         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
24761         vectors might cause maybe_lookup_element_for_expr to be called
24762         on non-sra-candidate.
24763
24764 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24765
24766         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
24767         config/bfin/bfin.md, config/bfin/predicates.md: Follow
24768         spelling conventions.
24769
24770 2007-02-04  Richard Guenther  <rguenther@suse.de>
24771
24772         PR middle-end/30636
24773         * fold-const.c (try_move_mult_to_index): Make sure to not
24774         overflow one dimension of a multi-dimensional array access.
24775
24776 2007-02-04  Jan Hubicka  <jh@suse.cz>
24777
24778         * passes.c (init_optimization_passes): Reindent.
24779
24780 2007-02-04  Jan Hubicka  <jh@suse.cz>
24781             Eric Botcazou  <ebotcazou@adacore.com>
24782
24783         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
24784         (execute_fixup_cfg): Break out the abnormal goto code.
24785         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
24786         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
24787         (optimize_inline_calls): Call make_nonlocal_label_edges.
24788
24789 2007-02-04  Jan Hubicka  <jh@suse.cz>
24790
24791         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
24792         true when something was changed.
24793         (rename_ssa_copies): When something was changed, do
24794         TODO_remove_unused_locals.
24795         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
24796         add TODO_remove_unused_locals when instruction was removed.
24797
24798 2007-02-04  Jan Hubicka  <jh@suse.cz>
24799
24800         * ipa-inline.c (try_inline): Improve debug output; work on already
24801         inline edges too.
24802         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
24803         call try_inline for already inlined edges too when flattening;
24804         inline also functions that make callee growth but overall unit size
24805         reduce.
24806
24807 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24808
24809         * config/m32c/bitops.md, config/m32c/jump.md,
24810         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
24811         config/m32r/m32r.h, config/m32r/m32r.md,
24812         config/m32r/predicates.md, config/m68hc11/larith.asm,
24813         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
24814         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
24815         config/mips/mips-protos.h, config/mips/mips.c,
24816         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
24817         config/mn10300/mn10300.h, config/mn10300/predicates.md,
24818         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
24819         spelling conventions.
24820
24821         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
24822         Follow spelling conventions.
24823
24824 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
24825
24826         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
24827         warn about C++0x compatibility.
24828
24829 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24830
24831         * config/h8300/h8300.c, config/h8300/h8300.h,
24832         config/h8300/h8300.md: Follow spelling conventions.
24833
24834 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
24835
24836         PR middle-end/30667
24837         * combine.c (try_combine): Do not substitute source operand
24838         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
24839
24840 2007-02-03  Jan Hubicka  <jh@suse.cz>
24841
24842         PR gcov-profile/30650
24843         * value-prof.c (stringop_block_profile): Fix handling of size counter;
24844         do not divide by zero for never executed counters.
24845         (tree_find_values_to_profile): Fix counters.
24846         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
24847
24848 2007-02-03  Ian Lance Taylor  <iant@google.com>
24849
24850         * lower-subreg.c (simple_move_operand): New static function,
24851         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
24852         operands.
24853         (simple_move): Call simple_move_operand.
24854         (find_decomposable_subregs): Add special handling of MEMs.
24855         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
24856         meaning of return value.  If we see a hard register, test whether
24857         it can store a word_mode value.  Change all callers.
24858
24859 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24860
24861         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
24862         ftrapv insns and expanders.
24863         (subdi3): Change define_expand operand 1 to arith11_operand, and
24864         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
24865         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
24866         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
24867         respectively.
24868
24869         PR middle-end/30174
24870         * varasm.c (notice_global_symbol): Treat global objects as weak when
24871         flag_shlib is true.
24872
24873 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24874
24875         * emit-rtl.c (dconstpi): Delete.
24876         (dconstsqrt2): New.
24877         (init_emit_once): Delete dconstpi and init dconstsqrt2.
24878         * real.h (dconstpi): Delete.
24879         (dconstsqrt2): New.
24880         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
24881         (fold_builtin_hypot): Likewise.
24882
24883 2007-02-03  Tom Tromey  <tromey@redhat.com>
24884
24885         PR driver/30246
24886         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
24887         -gcoff3, -gxcoff3, -gvms3 implies -dD.
24888
24889 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
24890
24891         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
24892         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
24893         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
24894         config/rs6000/cell.md, config/rs6000/darwin.h,
24895         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
24896         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
24897         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
24898         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
24899         typos.  Follow spelling conventions.
24900         * doc/invoke.texi: Follow spelling conventions.
24901
24902 2007-02-03  Roger Sayle  <roger@eyesopen.com>
24903
24904         * simplify-rtx.c (simplify_relational_operation_1): Implement some
24905         canonicalization transformations that attempt to simplify integer
24906         constant comparisons to become comparisons against zero.
24907
24908 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24909
24910         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
24911         fabs(x)*sqrt(2).
24912         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
24913         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
24914
24915 2007-02-02  Mike Stump  <mrs@apple.com>
24916
24917         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
24918         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
24919         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
24920         generate a branch island.
24921
24922 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
24923
24924         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
24925         (xtensa_legitimate_address_p): New.
24926         (xtensa_legitimize_address): New.
24927         (xtensa_output_addr_const_extra): New.
24928         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
24929         (BASE_REG_P): New.
24930         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
24931         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
24932         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
24933         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
24934         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
24935         (xtensa_legitimize_address): New.
24936         (xtensa_output_addr_const_extra): New.
24937
24938 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
24939
24940         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
24941
24942 2007-02-02  Ian Lance Taylor  <iant@google.com>
24943
24944         * expmed.c (expand_divmod): Add comment.
24945
24946 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
24947
24948         * emit-rtl.c (renumber_insns): Remove.
24949         * flags.h: Remove the extern for flag_renumber_insns.
24950         * rtl.h: Remove the prototype for renumber_insns.
24951         * toplev.c (flag_renumber_insns): Remove.
24952
24953 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
24954
24955         Revert for x86 darwin:
24956         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
24957
24958         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
24959         code before the following patch under TARGET_MACHO.
24960         (ix86_function_value_regno_p): Likewise.
24961
24962 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24963
24964         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
24965         COMPLEX_EXPR.
24966
24967 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24968
24969         PR target/29682
24970         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
24971         loads to general or fp registers.  Add comments.
24972         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
24973
24974 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
24975
24976         * pointer-set.c (insert_aux): Only return insertion slot.
24977         (pointer_set_insert): Adjust.
24978         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
24979         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
24980         pointer_map_traverse): New.
24981         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
24982         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
24983         pointer_map_contains, pointer_map_traverse): Declare.
24984
24985 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
24986
24987         PR middle-end/30473
24988         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
24989         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
24990
24991 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24992
24993         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
24994
24995         (struct _dep): New type.
24996         (dep_t): New typedef.
24997         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
24998         (DEP_STATUS): New access macro.  The macro with the same name was
24999         renamed to DEP_LINK_STATUS.
25000         (dep_init): Declare function
25001
25002         (struct _dep_link): New type.
25003         (dep_link_t): New typedef.
25004         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
25005         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
25006         (DEP_LINK_STATUS): New macro.
25007         (debug_dep_links): New debug function.
25008
25009         (struct _deps_list): New type.
25010         (deps_list_t): New typedef.
25011         (DEPS_LIST_FIRST): New access macro.
25012         (FOR_EACH_DEP_LINK): New cycle macro.
25013         (create_deps_list, free_deps_list, delete_deps_list): Declare
25014         functions.
25015         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25016         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25017         (copy_deps_list_change_con): Ditto.
25018
25019         (move_dep_link): Declare function.
25020
25021         (struct _dep_node): New type.
25022         (dep_node_t): New typedef.
25023         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25024
25025         (struct haifa_insn_data.back_deps): New field to hold backward
25026         dependencies of the insn.
25027         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25028         to deps_list_t.
25029         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25030         Change its type to deps_list_t.
25031         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25032         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25033         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25034
25035         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25036
25037         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25038
25039         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25040         and all callers.
25041         (dep_cost): Declare.
25042
25043         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25044         (ds_to_dk, dk_to_ds): New functions.
25045
25046         (init_dep_1): New static function.
25047         (init_dep): New function.
25048         (copy_dep): New static function.
25049
25050         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25051         functions.
25052         (detach_dep_link): New static function.
25053         (move_dep_link): New function.
25054
25055         (dep_links_consistent_p, dump_dep_links): New static functions.
25056         (debug_dep_links): New debugging function.
25057
25058         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25059
25060         (alloc_deps_list, init_deps_list): New static functions.
25061         (create_deps_list): New function.
25062         (clear_deps_list): New static function.
25063         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25064         (deps_list_consistent_p, dump_deps_list): New static functions.
25065         (debug_deps_list): New function.
25066         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25067         functions.
25068         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25069
25070         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25071         use new scheduler dependencies lists.
25072         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25073         (sched_analyze): Ditto.  Initialize dependencies lists.
25074         (add_forw_dep, compute_forward_dependences): Update to use new
25075         scheduler dependencies lists.
25076
25077         (init_dependency_caches): Init deps_obstack.
25078         (free_dependency_caches): Free deps_obstack.
25079
25080         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25081         new scheduler dependencies lists.
25082         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25083         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25084
25085         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25086         Update to use new scheduler dependencies lists.
25087         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25088         (debug_dependencies): Ditto.
25089         (schedule_region): Update comments.
25090
25091         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25092         scheduler dependencies lists.
25093         (schedule_ebb): Update comments.
25094
25095         * rtl.def (DEPS_LIST): Remove.
25096
25097         * lists.c (unused_deps_list): Remove.
25098         (free_list): Update assertions.
25099
25100         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25101         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25102
25103         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25104         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25105
25106         * haifa-sched.c (comments): Update.
25107         (insn_cost1): Remove.  Inline the code into insn_cost ().
25108         (insn_cost): Update to use new scheduler dependencies lists.  Move
25109         processing of the dependency cost to dep_cost ().
25110         (dep_cost): New function.  Use it instead of insn_cost () when
25111         evaluating cost of the dependency.  Use compatible interface to
25112         interact with the target.
25113         (priority): Update to use new scheduler dependencies lists.
25114         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25115         with greater number of insns that depend on the insn.
25116         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25117         code to free backward dependencies lists.  Inline and optimize code
25118         from resolve_dep () - see PR28071.
25119         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25120         lists.  Update call to targetm.sched.is_costly_dependence hook.
25121
25122         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25123         scheduler dependencies lists.
25124
25125         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25126         (init_h_i_d): Initialize dependencies lists.
25127
25128         (process_insn_depend_be_in_spec): Rename to
25129         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25130         dependencies lists.
25131         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25132         Update to use new scheduler dependencies lists.
25133         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25134
25135         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25136         new scheduler dependencies lists.
25137         (build_intra_loop_deps): Ditto.
25138
25139         * target.h (struct _dep): Declare to use in
25140         gcc_target.sched.is_costly_dependence.
25141         (struct gcc_target.sched.adjust_cost): Fix typo.
25142         (struct gcc_target.sched.is_costly_dependence): Change signature to
25143         use single dep_t parameter instead of an equivalent triad.
25144         (struct gcc_target.sched.adjust_cost_2): Remove.
25145
25146         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25147
25148         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25149
25150         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25151         documentation.
25152         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25153
25154         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25155         (REG_DEP_TRUE): Document.
25156
25157         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25158         Change signature to correspond to the targetm.sched.adjust_cost hook.
25159         Update use in TARGET_SCHED_ADJUST_COST_2.
25160         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25161         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25162         new scheduler dependencies lists.
25163         (ia64_gen_check): Ditto.
25164
25165         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25166         scheduler dependencies lists.
25167
25168         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25169         signature to correspond to the targetm.sched.is_costly_dependence hook.
25170         (is_costly_group): Update to use new scheduler dependencies lists.
25171
25172         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25173         instead of INSN_COST () macro.
25174
25175 2007-02-01  Ian Lance Taylor  <iant@google.com>
25176
25177         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25178
25179 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25180
25181         * pa.md (tp_load): Correct mfctl instruction syntax.
25182
25183 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25184
25185         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25186         altivec_padding_size calculation on AIX.  Improve comment, add
25187         assert to verify that it's right.
25188
25189         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25190         64-bit.
25191
25192 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25193
25194         PR inline-asm/28686
25195         * global.c (global_alloc): Add mising initialization of
25196         ELIMINABLE_REGSET.
25197
25198 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25199
25200         * alias.c (init_alias_analysis): Correct whitespace.
25201         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25202         partition_hot_cold_basic_blocks): Likewise.
25203         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25204         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25205         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25206         fold_builtin_snprintf_chk, fold_builtin_printf,
25207         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25208         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25209         * cfgcleanup.c (cleanup_cfg): Likewise.
25210         * cfgexpand.c (tree_expand_cfg): Likewise.
25211         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25212         * function.c (get_next_funcdef_no): Likewise.
25213         * gengtype.c (main): Likewise.
25214         * genmodes.c (main): Likewise.
25215         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25216         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25217         * ifcvt.c (noce_emit_move_insn): Likewise.
25218         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25219         Likewise.
25220         * stor-layout.c (get_best_mode): Likewise.
25221         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25222         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25223         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25224         perform_var_substitution, solve_graph): Likewise.
25225         * tree-vrp.c (vrp_finalize): Likewise.
25226
25227 2007-02-01  Ian Lance Taylor  <iant@google.com>
25228
25229         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25230         high part of a paradoxical subreg, return a constant zero.
25231
25232 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25233
25234         * toplev.c (lang_dependent_init): Call init_set_costs.
25235         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25236
25237 2007-02-01  Richard Guenther  <rguenther@suse.de>
25238
25239         PR middle-end/30656
25240         * fold-const.c (fold_negate_expr): Allow negating a
25241         constant if overflow does not change.
25242
25243 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25244
25245         * doc/c-tree.texi (Expression trees): Improve markup.
25246         * doc/tm.texi (Register Classes, Addressing Modes)
25247         (Floating Point): Fix spacing after abbreviations.  Fix some
25248         typos.
25249
25250 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25251
25252         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25253         * doc/contrib.texi: Likewise.
25254         * doc/install.texi: Likewise.
25255
25256 2007-01-31  Richard Henderson  <rth@redhat.com>
25257             Ian Lance Taylor  <iant@google.com>
25258
25259         * lower-subreg.c: New file.
25260         * rtl.def (CONCATN): Define.
25261         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25262         pass_lower_subreg2.
25263         * emit-rtl.c (update_reg_offset): New static function, broken out
25264         of gen_rtx_REG_offset.
25265         (gen_rtx_REG_offset): Call update_reg_offset.
25266         (gen_reg_rtx_offset): New function.
25267         * regclass.c: Revert patch of 2006-03-05, restoring
25268         reg_scan_update.
25269         (clear_reg_info_regno): New function.
25270         * dwarf2out.c (concatn_loc_descriptor): New static function.
25271         (loc_descriptor): Handle CONCATN.
25272         * common.opt (fsplit_wide_types): New option.
25273         * opts.c (decode_options): Set flag_split_wide_types when
25274         optimizing.
25275         * timevar.def (TV_LOWER_SUBREG): Define.
25276         * rtl.h (gen_reg_rtx_offset): Declare.
25277         (reg_scan_update): Declare.
25278         * regs.h (clear_reg_info_regno): Declare.
25279         * tree-pass.h (pass_lower_subreg): Declare.
25280         (pass_lower_subreg2): Declare.
25281         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25282         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25283         -fsplit-wide-types.
25284         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25285         * Makefile.in (OBJS-common): Add lower-subreg.o.
25286         (lower-subreg.o): New target.
25287
25288 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25289
25290         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25291
25292 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25293
25294         PR target/19087
25295         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25296
25297 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25298
25299         PR middle-end/29335
25300         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25301
25302 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25303
25304         * cfgloop.h: Include vec-prim.h.
25305         (enum li_flags): Remove LI_ONLY_OLD.
25306         (loop_iterator): Changed.
25307         (fel_next, fel_init): Iterate over loop tree.
25308         (FOR_EACH_LOOP_BREAK): New macro.
25309         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25310         FOR_EACH_LOOP.
25311         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25312         * modulo-sched.c (sms_schedule): Ditto.
25313         * tree-vectorizer.c (vectorize_loops): Ditto.
25314         * doc/loop.texi: Update information on loop numbering and behavior of
25315         FOR_EACH_LOOP wrto new loops.
25316         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25317         add_to_evolution_1): Test nestedness of loops instead of comparing
25318         their numbers.
25319         * tree-chrec.c (chrec_fold_plus_poly_poly,
25320         chrec_fold_multiply_poly_poly, chrec_evaluate,
25321         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25322         reset_evolution_in_loop): Ditto.
25323         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25324
25325 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25326
25327         * c-common.c (warn_about_parentheses): Separate warning about
25328         un-parenthized sequence of comparison operators from the one
25329         which is supposed to warn about x <= y <= z.
25330
25331 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25332
25333         * optabs.h (enum optab_index): Add new OTI_isinf.
25334         (isinf_optab): Define corresponding macro.
25335         * optabs.c (init_optabs): Initialize isinf_optab.
25336         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25337         patterns.
25338         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25339         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25340         using isinf_optab.
25341         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25342         expand_builtin_interclass_mathfn.
25343         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25344         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25345         (fxam<mode>2_i387): New insn pattern.
25346         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25347         built-in functions as x87 inline asm.
25348
25349 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25350
25351         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25352
25353 2007-01-30  Eric Christopher  <echristo@apple.com>
25354
25355         * config.gcc: Add geode.
25356
25357 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25358
25359         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25360         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25361         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25362         value-prof.c: Fix comment typos.
25363
25364 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25365
25366         PR c++/24745
25367         * doc/invoke.texi (Wpointer-arith): Document warning.
25368
25369 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25370
25371         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25372         the list of discrepancies from the draft TR.
25373
25374 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25375
25376         PR c++/30601
25377         * doc/invoke.texi (-Wreturn-type): Update description to
25378         match new behavior.
25379
25380 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25381
25382         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25383
25384 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25385
25386         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25387         to handle optabs that operate on floating point input argument and
25388         output to integer output.
25389         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25390         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25391         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25392         expand_builtin_interclass_mathfn ().
25393         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25394         (ilogbsi2): Remove.
25395         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25396         ilogbl built-in functions as x87 intrinsics.
25397
25398 2007-01-30  Richard Guenther  <rguenther@suse.de>
25399
25400         PR middle-end/27657
25401         * dwarf2out.c (reference_to_unused): Query varpool if the
25402         variable was output.
25403
25404 2007-01-30  Richard Guenther  <rguenther@suse.de>
25405
25406         PR middle-end/30313
25407         * passes.c (execute_one_pass): Reset in_gimple_form to not
25408         confuse non-unit-at-a-time mode.
25409
25410 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25411             Richard Guenther  <rguenther@suse.de>
25412
25413         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25414         avoid undefined behaviour on overflow.  Use force_fit_type_double
25415         to construct the constant with the specified TREE_OVERFLOW.
25416
25417 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25418
25419         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25420         * config/dfp-bit.h: Ditto.
25421
25422 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25423
25424         * c-decl.c (pop_scope): Replace warnings with call to
25425         warn_for_unused_label.
25426         * c-common.h (warn_for_unused_label): Declare.
25427         * c-common.c (warn_for_unused_label): Define.
25428
25429 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25430
25431         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25432         function.
25433
25434 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25435
25436         * Makefile.in (USER_H): Remove decfloat.h.
25437         * ginclude/decfloat.h: Delete, moving contents to ...
25438         * ginclude/float.h: Add support for decimal floating point,
25439         guarded by __STDC_WANT_DEC_FP__.
25440
25441 2007-01-29  Mike Stump  <mrs@apple.com>
25442
25443         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25444         Analysis and Representation to resolve case insensitive conflict.
25445         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25446
25447 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25448
25449         * tree.h (struct tree_memory_tag): Add aliases member.
25450         (MTAG_ALIASES): New macro.
25451         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25452         (add_may_alias): Remove pointer-set. Update for may_aliases being
25453         a bitmap.
25454         (mark_aliases_call_clobbered): Update for may_aliases being a
25455         bitmap.
25456         (compute_tag_properties): Ditto.
25457         (create_partition_for): Ditto.
25458         (compute_memory_partitions): Ditto.
25459         (dump_may_aliases_for): Ditto.
25460         (is_aliased_with): Ditto.
25461         (add_may_alias_for_new_tag): Ditto.
25462         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25463         (compute_is_aliased): New function.
25464         (compute_may_aliases): Call compute_is_aliased).
25465         (init_alias_info): Initialize alias_bitmap_obstack.
25466         (union_alias_set_into): New function.
25467         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25468         (have_common_aliases_p): Rewrite to take two bitmaps and use
25469         intersection.
25470         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25471         Update for bitmaps.
25472         (finalize_ref_all_pointers): Update for add_may_alias changes.
25473         (new_type_alias): Ditto.
25474         * tree-flow-inline.h (may_aliases): Return a bitmap.
25475         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25476         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25477         may_aliases being a bitmap.
25478         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25479         may_aliases now returns a bitmap.
25480         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25481         being a bitmap.
25482         * tree-ssa-operands.c (add_virtual_operand): Update for
25483         may_aliases being a bitmap.
25484
25485 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25486
25487         PR tree-optimization/30630
25488         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25489         variable as changed.
25490
25491 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25492
25493         PR c++/28266
25494         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25495         expanded only once even if an error occurs.
25496
25497 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25498
25499         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25500         (__gcov_average_profiler): Likewise.
25501         (__gcov_ior_profiler): Likewise.
25502         (__gcov_merge_ior): Likewise.
25503
25504 2007-01-28  Jan Hubicka  <jh@suse.cz>
25505
25506         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25507         * value-prof.c (stringop_block_profile): Likewise.
25508
25509 2007-01-28  Jan Hubicka  <jh@suse.cz>
25510
25511         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25512         Add variant handling histograms; add wrapper.
25513         (clear_storage_via_libcall): Export.
25514         (emit_block_move_hints): Break out from ...; add histograms.
25515         (emit_block_move): ... this one.
25516         (clear_storage_hints): Break out from ...; add histograms.
25517         (clear_storage): ... this one.
25518         (set_storage_via_memset): Handle histogram.
25519         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25520         (clear_storage_hints, clear_storage_via_libcall): Declare.
25521         (set_storage_via_setmem): Update prototype.
25522         * doc/md.texi (movmem, setmem): Document new arguments.
25523
25524         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25525         Add new histograms.
25526         (stringop_block_profile): New global function.
25527         (tree_stringops_values_to_profile): Profile block size and alignment.
25528         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25529         HIST_TYPE_IOR.
25530         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25531         (stringop_block_profile): Declare.
25532         * builtins.c: Include value-prof.h.
25533         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25534         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25535         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25536         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25537         * profile.c (instrument_values): Add new counters.
25538         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25539         calls.
25540         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25541         (tree_init_edge_profiler): Build new profilers.
25542         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25543         (pass_tree_profile): Add dump.
25544         (tree_profile_hooks): Update.
25545         * Makefile.in (LIBGCOV): Add new constants.
25546         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25547         __gcov_ior_profiler): New.
25548         * i386.md (movmem/setmem expanders): Add new optional arguments.
25549
25550 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25551
25552         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25553
25554 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25555
25556         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25557         (tree_unswitch_single_loop): Pass eni_size_weights to
25558         tree_num_loop_insns.
25559         * tree-ssa-loop-manip.c: Include tree-inline.h.
25560         (can_unroll_loop_p): Pass eni_size_weights to
25561         tree_num_loop_insns.
25562         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25563         Pass eni_size_weights to estimate_num_insns.
25564         * tree.h (init_inline_once): Export.
25565         * toplev.c (backend_init): Call init_inline_once.
25566         * cgraphunit.c (cgraph_process_new_functions,
25567         cgraph_analyze_function): Pass eni_inlining_weights to
25568         estimate_num_insns.
25569         * ipa-inline.c (compute_inline_parameters): Ditto.
25570         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25571         to estimate_num_insns.
25572         (try_unroll_loop_completely): Pass eni_size_weights to
25573         tree_num_loop_insns.
25574         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25575         ot estimate_num_insns.
25576         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25577         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25578         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25579         eni_time_weights): New variables.
25580         (init_inline_once): Initialize them.
25581         (struct eni_data): Mew.
25582         (estimate_num_insns_1, estimate_num_insns): Use weights.
25583         * tree-inline.h (struct eni_weights_d): New.
25584         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25585         (estimate_num_insns): Declaration changed.
25586         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25587         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25588         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25589
25590 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25591
25592         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25593         relations in the conflict function is valid.
25594
25595 2007-01-27  Ian Lance Taylor  <iant@google.com>
25596
25597         * common.opt: Add fstrict-overflow.
25598         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25599         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25600         (TYPE_OVERFLOW_UNDEFINED): Define.
25601         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25602         Replace all uses.
25603         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25604         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25605         (fold_negate_expr): Likewise.
25606         (make_range): Likewise.
25607         (extract_muldiv_1): Likewise.
25608         (maybe_canonicalize_comparison): Likewise.
25609         (fold_comparison): Likewise.
25610         (fold_binary): Likewise.
25611         (tree_expr_nonnegative_p): Likewise.
25612         (tree_expr_nonzero_p): Likewise.
25613         * tree-vrp.c (compare_values): Likewise.
25614         (extract_range_from_binary_expr): Likewise.
25615         (extract_range_from_unary_expr): Likewise.
25616         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25617         Likewise.
25618         (nowrap_type_p): Likewise.
25619         * tree-scalar-evolution.c (simple_iv): Likewise.
25620         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25621         (build_range_check): Likewise.
25622         (extract_muldiv_1): Likewise.
25623         (fold_comparison): Likewise.
25624         * tree-vrp.c (vrp_int_const_binop): Likewise.
25625         (extract_range_from_unary_expr): Likewise.
25626         * convert.c (convert_to_integer): Likewise.
25627         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25628         (fold_comparison): Likewise.
25629         (fold_binary): Likewise.
25630         * optabs.c (optab_for_tree_code): Likewise.
25631         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25632         * simplify-rtx.c (simplify_const_relational_operation): Check
25633         flag_strict_overflow and flag_trapv.
25634         (simplify_const_relational_operation): Likewise.
25635         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25636         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25637         -fstrict-overflow.
25638
25639 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25640
25641         * tree.c (tree_fold_gcd): Delete.
25642         * tree.h (tree_fold_gcd): Remove prototype.
25643         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25644         test whether one constant integer is a multiple of another.  Instead
25645         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25646         * fold-const.c (multiple_of_p): We've determined both TOP and
25647         BOTTOM are integer constants so we can call int_const_binop directly
25648         instead of the more generic const_binop.
25649
25650 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25651
25652         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25653         1*X check that the constant hasn't overflowed, to preserve the
25654         TREE_OVERFLOW bit.
25655         (round_up): Provide an efficient implementation when rouding-up an
25656         INTEGER_CST to a power-of-two.
25657
25658 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25659
25660         * doc/sourcebuild.texi: Add comma for clarity.
25661         * doc/extend.texi: Fix some typos.
25662         * doc/passes.texi: Likewise.
25663         * doc/cppinternals.texi: Likewise.
25664         * doc/c-tree.texi: Likewise.
25665         * doc/tree-ssa.texi: Likewise.
25666         * doc/install.texi: Likewise.
25667
25668 2007-01-27  Jan Hubicka  <jh@suse.cz>
25669
25670         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25671         (pass_sra): Do not require alias information.
25672         * passes.c (init_optimization_passes): Add SRA
25673
25674 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25675
25676         * tracer.c (rest_of_handle_tracer): We already cleaned
25677         up the CFG in tracer() so don't do it here again.
25678         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25679         cleanup_cfg here, either.  And don't call renumber_insns.
25680
25681         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25682         and BB_HEAD are in the insn stream here.  Instead make sure
25683         that BB_INSN is valid on all insns.  Also, do check here that
25684         there are no pending branch predictions...
25685         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25686         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25687         here.
25688
25689 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25690
25691         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25692         function to simplify/factorize operand order canonicalization.
25693         (ix86_fixup_binary_operands): Reorganize using the above function.
25694         (ix86_binary_operator_ok): Likewise.
25695
25696 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
25697
25698         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
25699         file scope from optimize_attrs.
25700         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
25701         up search.
25702         (optimize_attrs): Clear insn_code_values after freeing it.
25703
25704 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25705
25706         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
25707         a parts.base assignment.
25708
25709 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25710
25711         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
25712         (compute_subscript_distance, initialize_data_dependence_relation,
25713         finalize_ddr_dependent, analyze_ziv_subscript,
25714         analyze_siv_subscript_cst_affine,
25715         compute_overlap_steps_for_affine_univar,
25716         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
25717         analyze_siv_subscript, analyze_miv_subscript,
25718         analyze_overlapping_iterations, subscript_dependence_tester_1,
25719         compute_self_dependence, free_dependence_relation): Work
25720         with affine_fn instead of chrecs.
25721         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
25722         common_affine_function, affine_function_base,
25723         affine_function_constant_p, affine_fn_op, affine_fn_plus,
25724         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
25725         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
25726         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
25727         (all_chrecs_equal_p): Removed.
25728         * tree-data-ref.h (affine_fn, conflict_function): New types.
25729         (struct subscript): Change type of conflicting_iterations_in_a
25730         and conflicting_iterations_in_b.
25731
25732 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
25733
25734         PR other/30182
25735         * config/pa/pa.h (TARGET_HPUX_11): New.
25736         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
25737         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
25738
25739 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
25740         Richard Guenther  <rguenther@suse.de>
25741
25742         * tree-ssa-structalias.c (solve_graph): Handle case
25743         we merged the variable to another.
25744
25745 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25746
25747         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
25748         functions.
25749
25750         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
25751         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
25752
25753 2007-01-25  DJ Delorie  <dj@redhat.com>
25754
25755         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
25756         allow changes to modes which don't fit in those registers.
25757
25758         * reload1.c (choose_reload_regs): Check for invalid subregs before
25759         computing their locations, not after.
25760
25761 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
25762
25763         PR 25127
25764         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
25765         save Altivec registers in an eh_return function.
25766         (compute_vrsave_mask): Likewise.
25767         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
25768         for saving Altivec registers.
25769         (rs6000_emit_prologue): Don't allocate stack twice in
25770         eh_return function.  Correct expected value of altivec_save_offset
25771         when using save_world.  Describe save of R0 to stack when using
25772         save_world.  Describe stack pointer adjustment when using
25773         save_world.  Remove duplicated eh_return parameter register saving.
25774         Update sp_offset variable after save_world.
25775         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
25776         darwin-world.asm.
25777         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
25778         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
25779         implies Altivec.
25780
25781 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25782
25783         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
25784
25785 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25786
25787         PR other/30182
25788         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
25789         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
25790
25791 2007-01-25  Richard Guenther  <rguenther@suse.de>
25792
25793         * doc/invoke.texi (-Wcoverage-mismatch): Document.
25794         * common.opt (-Wcoverage-mismatch): New warning option.
25795         * coverage.c (get_coverage_counts): Ignore coverage mismatch
25796         if -Wcoverage-mismatch is given.
25797
25798 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
25799
25800         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
25801         (ipcp_driver): Change to static definition.
25802         Add dumping of the ifunctions.
25803         (constant_val_insert): Remove unused parameter. Support for SSA.
25804         (ipcp_propagate_const): Support for SSA.
25805         (ipcp_profile_bb_print): Print only analyzed nodes.
25806         (ipcp_replace_map_create): Remove support for Fortran constant
25807         for now.
25808         * ipa-prop.c (ipa_method_modify_stmt,
25809         ipa_callsite_compute_param): Support for SSA.
25810         * ipa-prop.h (ipcp_driver): Remove declaration.
25811         (IS_VALID_TREE_MAP_INDEX): Add define.
25812
25813 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
25814
25815         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
25816
25817 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25818
25819         PR middle-end/30447
25820         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
25821         constant argument to cabs and do it without checking for
25822         -funsafe-math-optimizations.
25823
25824 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
25825
25826         * c-common.h (RID_FIRST_CXX0X): New.
25827         (RID_LAST_CXX0X): New.
25828         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
25829         by -Wall.
25830         * c.opt (Wc++0x-compat): New.
25831         * doc/invoke.texi (-Wc++0x-compat): Document.
25832
25833 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25834
25835         * builtins.c (fold_builtin_carg): New.
25836         (fold_builtin_1): Use it.
25837
25838 2007-01-24  Jan Hubicka  <jh@suse.cz>
25839
25840         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
25841
25842         * ipa-inline.c (initial_insns, max_insns): Delete.
25843         (compute_max_insns): New function.
25844         (cgraph_decide_inlining_of_small_function): Use it; take minimal
25845         amount of insns as base for code growth.
25846         (cgraph_decide_inlining): Make initial_insns local; do not compute
25847         max_insns.
25848         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
25849         * doc/invoke.texi (inline-unit-growth): Update docs.
25850
25851 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
25852
25853         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
25854         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
25855         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
25856         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
25857         for CPUs that have PTA_CX16 set.
25858
25859         PR middle-end/27416
25860         * gimplify.c (omp_check_private): New function.
25861         (gimplify_scan_omp_clauses): Use it for
25862         firstprivate/lastprivate/reduction.
25863
25864         PR middle-end/30494
25865         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
25866         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
25867
25868         PR middle-end/30421
25869         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
25870         If lower_lastprivate_clauses emits some statements, append them
25871         to dlist rather than body_p and to body_p append an initializer.
25872         (lower_omp_for): Adjust caller.
25873
25874 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
25875
25876         * target.h (globalize_decl_name): New.
25877         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25878         * output.h (default_globalize_decl_name): New.
25879         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
25880         globalize_label.
25881         (globalize_decl): Ditto.
25882         (default_globalize_decl_name): New.
25883         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
25884         (ia64_handle_version_id_attribute): New.
25885         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25886         (ia64_asm_output_external): Use globalize_decl_name instead
25887         of globalize_label.
25888         * doc/extend.texi (version_id): New pragma.
25889         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
25890
25891 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25892
25893         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
25894         _uleb128_t and _Unwind_SWord with _sleb128_t.
25895         * unwind-dw2.c (extract_cie_info, execute_stack_op,
25896         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
25897         Likewise.
25898         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
25899         * unwind-pe.h (read_uleb128, read_sleb128,
25900         read_encoded_value_with_base): Likewise.
25901         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
25902
25903 2007-01-24  Richard Guenther  <rguenther@suse.de>
25904
25905         * builtins.c (expand_builtin_cexpi): Get the fndecl
25906         for cexp in the correct way.
25907
25908 2007-01-24  Jan Hubicka  <jh@suse.cz>
25909
25910         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
25911         of calls.
25912
25913 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25914
25915         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
25916         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
25917         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
25918         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
25919         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
25920         __SIZEOF_PTRDIFF_T__.
25921         * doc/cpp.texi: Documentation for the new builtin macros added.
25922
25923 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
25924
25925         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
25926         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
25927         instead of operands[2] to avoid access past the end of array.
25928
25929 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
25930
25931         * reload1.c (emit_reload_insns): Pass the reload register
25932         for a non-spill output reload through forget_old_reloads_1.
25933
25934 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
25935
25936         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
25937         _SOFT_DOUBLE if doubles use software floating-point.
25938         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
25939         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25940         * config/rs6000/darwin-ldouble.c: Also compile functions for
25941         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
25942         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25943         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
25944         commented-out long double override.
25945         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
25946         * config/rs6000/eabispe.h: Likewise.
25947         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
25948         long double for non-SPE.
25949         (rs6000_handle_option): Likewise.
25950         (invalid_e500_subreg): Disallow more subregs involding DImode,
25951         DFmode, TImode or TFmode.
25952         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
25953         E500 double.
25954         (legitimate_lo_sum_address_p): Also check for TFmode for E500
25955         double.
25956         (rs6000_legitimize_address): Also handle TFmode for E500 double.
25957         (rs6000_legitimize_reload_address): Also handle TFmode for E500
25958         double.
25959         (rs6000_legitimate_address): Also check for TFmode for E500
25960         double.
25961         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
25962         (spe_build_register_parallel): Handle TFmode and TCmode.
25963         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
25964         double.
25965         (function_arg): Handle TFmode and TCmode for E500 double.
25966         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
25967         in general.
25968         (print_operand): Handle TFmode and TImode for %y.
25969         (rs6000_generate_compare): Handle TFmode comparisons for E500
25970         double.
25971         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
25972         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
25973         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
25974         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
25975         TFmode for E500 double.
25976         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
25977         (floatsidf2): Enable for E500 double.
25978         (movtf_softfloat): Use rs6000_nonimmediate_operand.
25979         (extenddftf2): Change to extenddftf2_fprs.
25980         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
25981         depending on TARGET_E500_DOUBLE.
25982         (extendsftf2): Enable for E500 double.
25983         (trunctfdf2): Enable for E500 double.
25984         (trunctfsf2): Change to trunctfsf2_fprs.
25985         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
25986         depending on TARGET_E500_DOUBLE.
25987         (floatsitf2): Enable for E500 double.
25988         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
25989         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
25990         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
25991         (negtf2): Change to negtf2_internal.
25992         (negtf2): New expander.
25993         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
25994         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
25995         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
25996         (movdi_internal32): Use rs6000_nonimmediate_operand.
25997         (unnamed splitter): Likewise.
25998         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
25999         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
26000         (SPE64TF, DITI): New mode macros.
26001         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
26002         modes.
26003         (frob_tf_ti): New.
26004         (frob_<mode>_di_2): New.
26005         (frob_tf_di_8_2): New.
26006         (frob_di_df): Change to frob_di_<mode>; allow more modes.
26007         (frob_ti_tf): New.
26008         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
26009         more modes.
26010         (frob_ti_<mode>_8_2): New.
26011         (frob_ti_tf_2): New.
26012         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
26013         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
26014         TFmode.
26015         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26016         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26017         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26018         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26019         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26020         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26021         tsttflt_gp): New.
26022
26023 2007-01-23  Ian Lance Taylor  <iant@google.com>
26024
26025         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26026         insn-*.o first.
26027         (OBJS-archive): Reformat, alphabetize.
26028         (OBJS): Change out_object_file to OBJS-md.
26029
26030 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26031
26032         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26033         JUMP_P and CALL_P predicates where applicable.
26034         * config/i386/i386.c: Ditto.
26035         * config/i386/i386.md: Ditto.
26036         * config/i386/mmx.md: Ditto.
26037         * config/i386/predicates.md: Ditto.
26038
26039 2007-01-22  Andreas Schwab  <schwab@suse.de>
26040
26041         * config/m68k/m68k.h: Fix comment.
26042
26043 2007-01-22  Jan Hubicka  <jh@suse.cz>
26044
26045         * passes.c (init_optimization_passes): Do not rerun
26046         pass_early_warn_uninitialized.
26047
26048 2007-01-22  Richard Guenther  <rguenther@suse.de>
26049
26050         PR tree-optimization/30038
26051         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26052         function.
26053         (execute_cse_sincos_1): Likewise.
26054         (execute_cse_sincos): Likewise.
26055         (gate_cse_sincos): Likewise.
26056         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26057         the cexpi() canonicalization of sincos().
26058         * tree-pass.h (pass_cse_sincos): Declare.
26059         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26060
26061 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26062
26063         PR rtl-optimization/29329
26064         * combine.c (replaced_rhs_insn): Rename to i2mod.
26065         (replaced_rhs_value): Rename to i2mod_new_rhs.
26066         (i2mod_old_rhs): New global variable.
26067         (combine_instructions): Adjust for above change.  Save a copy of
26068         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26069         note are substituted in the second instruction.
26070         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26071         ditch the note if it pertains to the second eliminated register
26072         and this register is mentioned in i2mod_old_rhs.
26073
26074         Revert:
26075         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26076
26077         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26078         the insn to which the note was originally attached.
26079
26080 2007-01-21  Jan Hubicka  <jh@suse.cz>
26081
26082         * ipa-inline.c (inlining_mode): Comment, move up.
26083         (cgraph_decide_inlining_incrementally): Do not perform inlining
26084         itself; fix handling of flattening of self recursive functions.
26085         (cgraph_find_cycles): Remove.
26086         (cgraph_flatten_node): Remove.
26087         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26088         (try_inline): New function.
26089         (cgraph_early_inlining): Update call of
26090         cgraph_decide_inlining_incrementally.  Apply inlining here.
26091         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26092
26093 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26094
26095         PR bootstrap/30511
26096         * tree-vrp.c (check_array_bounds): do not warn
26097         about ADDR_EXPR's of ARRAY_REF's which are immediately
26098         used in binary expressions.
26099
26100 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26101
26102         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26103         read_write_dep and macros for its access.
26104         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26105         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26106         argument, call vect_check_interleaving for every independent pair of
26107         data-refs. Mark loads that access the same memory location as a store
26108         in the loop.
26109         (vect_check_dependences): Remove.
26110         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26111         call, fix the call to vect_analyze_data_ref_dependence.
26112         (vect_analyze_data_ref_access): For statements that access the same
26113         data-ref, check that they are not stores; for loads, check that there
26114         is no store that access the same location.
26115
26116 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26117             Joseph Myers  <joseph@codesourcery.com>
26118
26119         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26120         (-fdump-rtl-stack): Likewise.
26121         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26122         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26123         (-mpt-fixed): Use @minus{} for minus sign.
26124         (Using Precompiled Headers): Fix under/overfull hbox.
26125
26126 2007-01-20  Jan Hubicka  <jh@suse.cz>
26127
26128         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26129         place within annotation.
26130
26131 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26132
26133         * pa.c (output_move_double): Change array size of xoperands to 4.
26134
26135 2007-01-20  Jan Hubicka  <jh@suse.cz>
26136
26137         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26138         as temporary.
26139
26140 2007-01-19  Ian Lance Taylor  <iant@google.com>
26141
26142         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26143         constant to unsigned HOST_WIDE_INT before negating.
26144
26145 2007-01-19  Ian Lance Taylor  <iant@google.com>
26146
26147         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26148         to unsigned.
26149         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26150         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26151         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26152         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26153         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26154         (realloc_vdef, realloc_vuse): Change second parameter to
26155         unsigned.
26156         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26157         fields to unsigned.
26158         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26159         unsigned. Change x and lim locals to unsigned.
26160         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26161         unsigned.
26162         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26163         (copy_virtual_operands): Change i and n locals to unsigned.
26164
26165 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26166
26167         PR middle-end/29335
26168         * builtins.c (fold_builtin_1): Handle builtin fdim.
26169
26170 2007-01-20  Jan Hubicka  <jh@suse.cz>
26171
26172         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26173         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26174         init_alias_heapvars.
26175         (init_alias_heapvars): Initialize only when not already initialized.
26176         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26177
26178 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26179
26180         * common.opt (fsigned-zeros): New command line option.
26181         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26182         of flag_unsafe_math_optimizations.
26183         * opts.c (set_fast_math_flags): The -ffast-math command line option
26184         implies -fno-signed-zeros.
26185         (fast_math_flags_set_p): Likewise.
26186
26187         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26188         the documentation of -ffast-math appropriately.  Wrap long lines.
26189
26190 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26191
26192         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26193         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26194
26195 2007-01-19  Tomas Bily  <tbily@suse.cz>
26196
26197         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26198         * tree-profile.c:
26199         (tree_init_ic_make_global_vars): New function
26200         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26201         (tree_gen_ic_profiler): New function
26202         (tree_gen_ic_func_profiler): New function
26203         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26204         (tree_profile_hooks): Added hook for indirec/virtual calls
26205         * value-prof.c (tree_find_values_to_profile): New case for
26206         indirect calls
26207         (tree_values_to_profile): Call for determining indirect/virtual
26208         counters
26209         (tree_indirect_call_to_profile): New function
26210         (tree_ic_transform): New function
26211         (tree_ic): New function
26212         (find_func_by_pid): New function
26213         (init_pid_map): New function
26214         (tree_value_profile_transformations): Added check for
26215         indirect/virtual call transformation
26216         * value-prof.h (enum hist_type): New counter type for
26217         indirect/virtual calls
26218         (profile_hooks): Added new hook for profiling indirect/virtual
26219         calls
26220         * profile.c (instrument_values): New case for indirect/virtual
26221         call added
26222         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26223         (GCOV_COUNTER_V_INDIR): New counter type
26224         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26225         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26226         call added
26227         * cgraph.c: Definition of cgraph_max_pid
26228         (cgraph_create_node): Default init of pid attribute
26229         * cgraph.h: Declaration of cgraph_max_pid
26230         (struct cgraph_node): Added pid attribute
26231         * libgcov.c (__gcov_indirect_call_profiler): New function
26232         (__gcov_one_value_profiler_body): New function
26233         (__gcov_one_value_profiler): Body was moved to
26234         __gcov_one_value_profiler_body and calls it
26235
26236 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26237
26238         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26239         * gengtype.c (write_types_data, write_func_for_structure,
26240         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26241         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26242         (walk_type, write_func_for_structure): Generate the mark_hook if
26243         needed.
26244
26245 2007-01-19  Jan Hubicka  <jh@suse.cz>
26246
26247         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26248         'early' argument take inlining mode argument specifying whether to
26249         inline for size/speeed or all functions; add support for flattening;
26250         improve dumpting.
26251         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26252
26253 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26254
26255         PR c++/17947
26256         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26257         the name of the declared identifier.
26258
26259 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26260
26261         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26262         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26263         duplicate evaluation.
26264
26265 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26266
26267         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26268         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26269         to XFMode, use acosxf2 and truncate result to requested mode.
26270         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26271         (asin<mode>2): Similarly, with asin expanders.
26272         (*fscalexf4_i387): Rename from *fscalexf4.
26273         (expNcorexf3): New expander.
26274         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26275         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26276         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26277         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26278         patterns for SSE math.
26279         (exp10<mode>2): Similarly, with exp10 expanders.
26280         (exp2<mode>2): Similarly, with exp2 expanders.
26281         (expm1<mode>2): Similarly, with expm1 expanders.
26282         (ldexp<mode>3): Similarly, with ldexp expanders.
26283         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26284         Use gen_truncxf<mode>2_i387_noop to truncate result.
26285
26286 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26287
26288         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26289         for ColdFire targets.
26290
26291 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26292             Richard Sandiford  <richard@codesourcery.com>
26293
26294         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26295         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26296         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26297         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26298         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26299         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26300
26301 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26302
26303         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26304         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26305         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26306         (*adddi_dilshr32_cf): New pattern.
26307         (adddi3, subdi3): Remove first alternatives.
26308
26309 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26310
26311         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26312         implemented using move.l, do not use its cc result for floating-point
26313         comparisons.
26314
26315 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26316
26317         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26318         from accepting 's' constraints if flag_pic.
26319
26320 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26321
26322         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26323         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26324         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26325         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26326
26327 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26328
26329         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26330         ColdFire alternatives.
26331         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26332         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26333         architectures that support ff1 instruction.
26334
26335 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26336             Julian Brown  <julian@codesourcery.com>
26337
26338         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26339         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26340         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26341         Add commentary.
26342
26343 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26344
26345         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26346         and return a bool.
26347         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26348         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26349         HOST_WIDE_INT instead of an rtx.
26350         (m68k_rtx_costs): Update call accordingly.
26351         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26352         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26353         Return a bool.
26354         (output_move_simode_const): Update calls after above changes.
26355         Rework to use automatic variables and predicates like MEM_P.
26356         * config/m68k/m68k.md (pushexthisi_const): Update call to
26357         valid_mov3q_const.
26358
26359 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26360
26361         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26362         in dump_flags test.
26363
26364 2007-01-19  Richard Guenther  <rguenther@suse.de>
26365
26366         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26367         via cexp in case sincos is not available.
26368
26369 2007-01-19  Richard Guenther  <rguenther@suse.de>
26370
26371         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26372         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26373         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26374         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26375         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26376         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26377         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26378         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26379
26380 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26381
26382         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26383         New insn patterns.
26384         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26385         (atan2xf3): Directly generate RTL pattern.
26386         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26387         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26388         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26389         disable patterns for SSE math.
26390         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26391         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26392         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26393         disable patterns for SSE math.
26394
26395 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26396
26397         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26398
26399 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26400
26401         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26402         VIEW_CONVERT_EXPR to the same type as it's operand.
26403
26404 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26405
26406         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26407         configured for long double 128.
26408
26409 2007-01-18  Mike Stump  <mrs@apple.com>
26410
26411         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26412         error.
26413
26414 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26415
26416         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26417         type correct.
26418
26419 2007-01-18  Jan Hubicka  <jh@suse.cz>
26420
26421         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26422         greater than NUM_VOP_FREE_BUCKETS.
26423
26424 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26425
26426         * tree-ssa-structalias.c: Update comments.
26427         (ptabitmap_obstack): Removed.
26428         (pta_obstack): New.
26429         (oldpta_obstack): Ditto.
26430         (stats): Add a few members.
26431         (struct variable_info): Remove node, complex, address_taken, and
26432         indirect_target members. Add oldsolution member.
26433         (new_var_info): Do not initialize removed members.
26434         (constraint_expr_type): Remove INCLUDES.
26435         (constraint_graph): Add size, implicit_preds, rep,
26436         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26437         (FIRST_REF_NODE): New macro.
26438         (LAST_REF_NODE): Ditto.
26439         (FIRST_ADDR_NODE): Ditto.
26440         (find): New function.
26441         (unite): Ditto.
26442         (dump_constraint): Do not handle INCLUDES.
26443         (insert_into_complex): Do not insert duplicate constraints.
26444         (condense_varmap_nodes): Renamed and rewritten into ...
26445         (merge_node_constraints): This. Also fix bug in handling of
26446         offseted copy constraints.
26447         (clear_edges_for_node): No longer need to deal with preds at all,
26448         or removing associated preds/succs.
26449         (merge_graph_nodes): Deal with indirect_cycles.
26450         Don't deal with predecessors.
26451         (add_implicit_graph_edge): New function.
26452         (add_pred_graph_edge): Ditto.
26453         (add_graph_edge): Don't deal with predecessors.
26454         (build_constraint_graph): Removed.
26455         (build_pred_graph): New function.
26456         (build_succ_graph): Ditto.
26457         (struct scc_info): Removed in_component. Added roots, dfs, and
26458         node_mapping. Remove visited_index, unification_queue.
26459         (scc_visit): Deal with union-find we do now.
26460         Deal with cycles with REF nodes.
26461         (collapse_nodes): Renamed and rewritten to ...
26462         (unify_nodes): This.
26463         (process_unification_queue): Removed.
26464         (topo_visit): Cleanup
26465         (do_da_constraint): Use find.
26466         (do_sd_constraint): Ditto.
26467         (do_ds_constraint): Ditto.
26468         (do_complex_constraint): Ditto.
26469         (init_scc_info): Update for removed and added members.
26470         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26471         (find_indirect_cycles): This.
26472         (equivalence_class): New variable.
26473         (label_visit): New function.
26474         (perform_variable_substitution): Rewritten.
26475         (free_var_substitution_info): New function.
26476         (find_equivalent_node): Ditto.
26477         (move_complex_constraints): Ditto.
26478         (eliminate_indirect_cycles): Ditto.
26479         (solve_graph): Only propagate changed bits.
26480         Use indirect cycle elimination.
26481         Use find.
26482         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26483         (tree_id_eq): Renamed to ...
26484         (tree_vi_eq): This. Update for member change
26485         (insert_id_for_tree): Renamed and rewritten to ...
26486         (insert_vi_for_tree): This.
26487         (lookup_id_for_tree): Renamed and rewritten to ...
26488         (lookup_vi_for_tree): This.
26489         (get_id_for_tree): Renamed and rewritten to ...
26490         (get_vi_for_tree): Ditto.
26491         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26492         (process_constraint): Don't handle INCLUDES.
26493         Remove special ADDRESSOF case.
26494         (find_func_aliases): Rewrite to use vi functions instead of id
26495         ones.
26496         (create_function_info_for): Ditto.
26497         (create_variable_info_for): Ditto.
26498         (intra_create_variable_infos): Ditto.
26499         (merge_smts_into): Ditto.
26500         (find_what_p_points_to): Ditto.
26501         (init_base_vars): Ditto.
26502         (init_alias_vars): Ditto.
26503         (remove_preds_and_fake_succs): New function.
26504         (dump_sa_points_to_info): Dump new stats.
26505         (dump_solution_for_var): Use find.
26506         (set_used_smts): Fix formatting.
26507         (compute_points_to_sets): Updated for new functions.
26508         (ipa_pta_execute): Ditto.
26509
26510 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26511             Richard Sandiford  <richard@codesourcery.com>
26512
26513         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26514         parallels.
26515         * calls.c (expand_call): If the return value is a PARALLEL,
26516         extract its first member.
26517         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26518         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26519         use FUNCTION_EXTRA_EPILOGUE.
26520         (m68k_function_value): Return a PARALLEL if the return value
26521         is of a pointer type.
26522         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26523         (FUNCTION_EXTRA_EPILOGUE): Remove.
26524         * config/m68k/m68k.md (D0_REG): New constant.
26525
26526 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26527
26528         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26529         output a NOP for empty epilogues.
26530
26531 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26532
26533         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26534         before function.  Extend register save check to include all
26535         registers, not just integer ones.
26536
26537 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26538
26539         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26540         (m68k_use_return_insn): ...this.
26541         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26542         * config/m68k/m68k.c (use_return_insn): Rename to...
26543         (m68k_use_return_insn): ...this.
26544         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26545         of USE_RETURN_INSN.
26546
26547 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26548
26549         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26550         nearest even, fix denormal rounding overflow.
26551
26552 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26553
26554         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26555         f%$smove and f%$move.
26556         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26557         (extendsfdf2_cf): Use fdmove instead of f%&move.
26558         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26559         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26560
26561 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26562
26563         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26564         GPR<-GPR moves.
26565
26566 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26567
26568         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26569         (coldfire_single_format): Declare.
26570         (coldfire_double_format): Likewise.
26571         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26572         of qnan_msb_set to determine the lower bits of a canonical
26573         NaN significand.
26574         (encode_ieee_double): Likewise.
26575         (encode_ieee_quad): Likewise.
26576         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26577         (mips_single_format): Likewise.
26578         (ieee_double_format): Likewise.
26579         (mips_double_format): Likewise.
26580         (ieee_extended_motorola_format): Likewise.
26581         (ieee_extended_intel_96_format): Likewise.
26582         (ieee_extended_intel_128_format): Likewise.
26583         (ieee_extended_intel_96_round_53_format): Likewise.
26584         (ibm_extended_format): Likewise.
26585         (mips_extended_format): Likewise.
26586         (ieee_quad_format): Likewise.
26587         (mips_quad_format): Likewise.
26588         (vax_f_format): Likewise.
26589         (vax_d_format): Likewise.
26590         (vax_g_format): Likewise.
26591         (i370_single_format): Likewise.
26592         (i370_double_format): Likewise.
26593         (decimal_single_format): Likewise.
26594         (decimal_double_format): Likewise.
26595         (decimal_quad_format): Likewise.
26596         (c4x_single_format): Likewise.
26597         (c4x_extended_format): Likewise.
26598         (real_internal_format): Likewise.
26599         (coldfire_single_format): New real_format.
26600         (coldfire_double_format): Likewise.
26601         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26602         canonical_nan_lsbs_set.
26603         (pdp11_d_format): Likewise.
26604         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26605         if TARGET_COLDFIRE_CPU.
26606
26607 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26608
26609         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26610         (output_call, m68k_legitimize_call_address): Declare.
26611         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26612         parenthesees.  Add support for a 'W' constraint.
26613         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26614         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26615         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26616         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26617         variables.
26618         (override_options): Initialize them.  Do not set flag_no_function_cse
26619         for TARGET_ID_SHARED_LIBRARY.
26620         (m68k_output_pic_call): Delete.
26621         (m68k_legitimize_call_address): New function.
26622         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26623         (output_call): New function.
26624         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26625         target address from the GOT if symbolic jumps are not allowed.
26626         * config/m68k/m68k.md (call, general_operand): Do not set
26627         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26628         Merge separate flag_pic and !flag_pic define_insns into...
26629         (*call, *call_value): ...these new patterns.  Match the address
26630         rather than the containing MEM and require it to be a call_operand.
26631         Use output_call to generate the asm template.
26632         * config/m68k/predicates.md (const_call_operand): New predicate.
26633         (call_operand): Likewise.
26634
26635 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26636
26637         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26638         (STACK_GROWS_DOWNWARD): Define to 1.
26639         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26640         comments, emphasizing that these values are only defaults.
26641         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26642         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26643
26644 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26645
26646         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26647
26648 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26649             Richard Sandiford  <richard@codesourcery.com>
26650
26651         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26652         (FP_REGNO_P): New macros.
26653         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26654         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26655         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26656         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26657
26658 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26659
26660         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26661         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26662         to $tmake_file.
26663         * config/m68k/t-floatlib: New file, extracting common code from...
26664         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26665         * config/m68k/t-uclinux: Here.
26666         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26667         routines on ColdFire targets.
26668
26669 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26670
26671         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26672         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26673         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26674         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26675         explicitly set MOTOROLA to 1.
26676         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26677
26678 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26679             Nathan Sidwell  <nathan@codesourcery.com>
26680
26681         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26682         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26683         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26684         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26685         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26686         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26687         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26688         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26689         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26690         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26691         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26692         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26693         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26694         (DBX_REGISTER_NUMBER): Delete.
26695         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26696         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26697         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
26698
26699 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26700
26701         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
26702         * config/flat.h: New file.
26703         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
26704         OBJECT_FORMAT_FLAT.
26705         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
26706         indirect references for -msep-data or -mid-shared-library.
26707         Do not use PC-relative code addresses either.
26708         * config/m68k/m68k.c (override_options): Restrict -fPIC error
26709         to -mpcrel.
26710         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
26711         for shared libraries and crt1.o for executables.  Use crti.o and
26712         crtbegin.o.
26713         (ENDFILE_SPEC): Use crtend.o and crtn.o.
26714         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
26715         Do not add -elf2flt or -shared-lib-id options here.
26716         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
26717         Pass -shared-lib-id if -mid-shared-library, taking the library
26718         identifier from -mshared-library-id if given, otherwise
26719         defaulting to 0.
26720         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
26721         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
26722         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
26723         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
26724         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
26725         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
26726         and crtend.o.
26727         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
26728         jump sequence for ISA A and ISA A+.
26729         (PICJUMP): Likewise.
26730
26731 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26732
26733         * config.gcc (m68k-*-uclinux*): Base the port on the common
26734         and m68k GNU/Linux files rather than on the generic ELF ones.
26735         * config/m68k/uclinux.h (TARGET_VERSION): Override.
26736         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
26737
26738 2007-01-18  Julian Brown  <julian@codesourcery.com>
26739             Richard Sandiford  <richard@codesourcery.com>
26740
26741         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
26742         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26743         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
26744         before redefining.
26745         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
26746         80 unconditionally.
26747         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26748
26749 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26750
26751         * doc/install.texi: Document m68k-uclinuxoldabi.
26752         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
26753         * config/m68k/uclinux-oldabi.h: New file, copied from
26754         config/m68k/uclinux.h.
26755
26756 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
26757
26758         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
26759         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
26760         (m32r_compute_frame_size): Use unsigned for regno.
26761         (m32r_reload_lr): Use gen_frame_mem.
26762         (pop): New.
26763         (m32r_output_function_epilogue): Don't output the function epilogue
26764         textually here.
26765         (m32r_expand_epilogue): New.
26766         (direct_return): Return false if the function has the interrupt
26767         attribute.
26768         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
26769         * config/m32r/m32r.md (epilogue): New expander.
26770         (return_lr, return_rte): New insns.
26771         (return): Make it expander.
26772         (return_normal): New expander.
26773
26774 2007-01-18  Josh Conner  <jconner@apple.com>
26775
26776         PR target/30485
26777         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
26778         support for UNLE, UNLT, UNGE, and UNGT.
26779
26780 2007-01-18  Jan Hubicka  <jh@suse.cz>
26781
26782         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
26783         * tree-tailcall (add_virtual_phis): Likewise.
26784         (optimize_tail_call): Return TODOs.
26785         (execute_tail_calls): Return TODOs.
26786         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
26787         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
26788         changed.
26789         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
26790         Cleanup cfg using TODO.
26791         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
26792         * passes.c (execute_function_todo): When cleanup did something, remove
26793         unused locals.
26794         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
26795         (make_edges): Don't cleanup_cfg.
26796
26797 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
26798
26799         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
26800         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
26801         operate on the top of stack.
26802         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
26803         register handling of instructions that output to the second
26804         stack slot.
26805         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
26806         (move_for_stack_reg): Special-case check for dead destination
26807         stack slot for constant load of 1.0 inside UNSPEC_TAN.
26808
26809         * config/i386/i386.md (UNSPEC_TAN): New constant.
26810         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
26811         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
26812         to correctly model move of constant 1.0 to top stack slot.
26813         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
26814         (unnamed peephole2 pattern): Remove corresponding peephole2
26815         pattern that optimizes tan insn and loading of constant 1.0.
26816         (tanxf2): Use fptanxf4_i387.
26817         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
26818         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
26819         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26820         disable patterns for SSE math.
26821         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
26822         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
26823
26824 2007-01-18  Dirk Mueller  <dmueller@suse.de>
26825             Richard Guenther <rguenther@suse.de>
26826
26827         PR diagnostic/8268
26828         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
26829         * common.opt (Warray-bounds): Add new warning option.
26830         * c-opts.c (c_common_handle_option): Define -Warray-bounds
26831         if -Wall is given.
26832         * Makefile.in: make tree-vrp.o depend on toplev.h
26833         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
26834         is enabled.
26835         (check_array_refs, check_array_bounds, check_array_ref): New.
26836
26837 2007-01-18  Jan Hubicka  <jh@suse.cz>
26838
26839         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
26840         (execute_ssa_ccp): Return flags conditionally.
26841         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
26842         changed.
26843         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
26844
26845 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
26846
26847         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
26848         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
26849
26850         * Makefile.c (GTFILES): Add cfglayout.h.
26851         * gengtype.c (open_base_files): Likewise.
26852         * cfglayout.c (cfg_layout_function_footer,
26853         cfg_layout_function_header) Reindent to make gengtype happy.
26854         * cfglayout.h (cfg_layout_function_footer,
26855         cfg_layout_function_header): Add GTY(()) marker.
26856
26857         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
26858
26859 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26860
26861         * genautomata.c (write_automata): Include xstrerror output in the
26862         error message if writing the DFA description file fails.
26863
26864 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
26865
26866         * config/mips/mips-protos.h (mips_output_external): Make it
26867         return void.
26868         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
26869         * config/mips/mips.c (irix_output_external_libcall): Likewise.
26870         (extern_list): Likewise.
26871         (extern_head): Likewise.
26872         (TARGET_ASM_FILE_END): Likewise.
26873         (mips_file_end): Likewise.
26874         (mips_output_external): Rewritten.
26875
26876 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26877
26878         * genpreds.c (write_insn_preds_c): Only write out the function
26879         body for regclass_for_constraint if we have register constraints.
26880
26881 2007-01-17  Tom Tromey  <tromey@redhat.com>
26882
26883         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
26884         * doc/install.texi (Testing): Use sourceware.org.
26885         (Binaries): Likewise.
26886         (Specific): Likewise.
26887         * doc/contrib.texi (Contributors): Use sourceware.org.
26888
26889 2007-01-17  Anatoly Sokolov <aesok@post.ru>
26890
26891         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
26892         (AVR_ENHANCED): Rename to ...
26893         (AVR_HAVE_MUL): ... new.
26894         (avr_enhanced_p): Rename to ...
26895         (avr_have_mul_p): ... new.
26896         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
26897         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
26898         * config/avr/avr.c (avr_enhanced_p): Rename to ...
26899         (avr_have_mul_p): ... new.
26900         (base_arch_s): Rename 'enhanced' to 'have_mul'.
26901         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
26902         'avr_enhanced_p' and 'enhanced'.
26903         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
26904         AVR_HAVE_MUL instead of AVR_ENHANCED.
26905         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26906         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
26907         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
26908         instead of AVR_ENHANCED.
26909         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26910         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
26911         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
26912
26913 2007-01-17  Ian Lance Taylor  <iant@google.com>
26914
26915         * vec.h (VEC_reserve_exact): Define.
26916         (vec_gc_p_reserve_exact): Declare.
26917         (vec_gc_o_reserve_exact): Declare.
26918         (vec_heap_p_reserve_exact): Declare.
26919         (vec_heap_o_reserve_exact): Declare.
26920         (VEC_OP (T,A,reserve_exact)): New static inline function, three
26921         versions.
26922         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
26923         negative parameter.
26924         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
26925         (VEC_OP (T,A,copy)) [all versions]: Likewise.
26926         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
26927         * vec.c (calculate_allocation): Add exact parameter.  Change all
26928         callers.
26929         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
26930         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
26931         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
26932         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
26933         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
26934         (vec_heap_p_reserve_exact): New function.
26935         (vec_heap_o_reserve_exact): New function.
26936
26937 2007-01-17  Jan Hubicka  <jh@suse.cz>
26938
26939         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
26940
26941 2007-01-17  Eric Christopher  <echristo@apple.com>
26942
26943         * config.gcc: Support core2 processor.
26944
26945 2007-01-16  Jan Hubicka  <jh@suse.cz>
26946
26947         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
26948         the names, just unlink the chain so we don't crash on dangling
26949         pointers
26950         to dead SSA names.
26951
26952 2007-01-16  Jan Hubicka  <jh@suse.cz>
26953
26954         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
26955         * tree-pass.h: Reorder to make IPA passes appear toegher.
26956         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
26957         Declare.
26958         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
26959         parameters, do not call early inliner.
26960         * ipa-inline.c: Update comments.  Include tree-flow.h
26961         (cgraph_decide_inlining): Do not compute inlining parameters.
26962         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
26963         be called with function context set up.
26964         (pass_ipa_inline): Remove unreachable functions before pass.
26965         (cgraph_early_inlining): Simplify assuming to be called from the
26966         PM as local pass.
26967         (pass_early_inline): New pass.
26968         (cgraph_gate_ipa_early_inlining): New gate.
26969         (pass_ipa_early_inline): Turn into simple wrapper.
26970         (compute_inline_parameters): New function.
26971         (gate_inline_passes): New gate.
26972         (pass_inline_parameters): New pass.
26973         (apply_inline): Move here from tree-optimize.c
26974         (pass_apply_inline): New pass.
26975         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
26976         transforming.
26977         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
26978         doing them by hand.
26979         (tree_function_versioning): Do not allocate dummy struct function.
26980         * tree-inline.h (optimize_inline_calls): Update prototype.
26981         * tree-optimize.c (execute_fixup_cfg): Export.
26982         (pass_fixup_cfg): Remove
26983         (tree_rest_of_compilation): Do not apply inlines.
26984         * tree-flow.h (execute_fixup_cfg): Declare.
26985         * Makefile.in (gt-passes.c): New.
26986         * passes.c: Include gt-passes.h
26987         (init_optimization_passes): New passes.
26988         (nnodes, order): New static vars.
26989         (do_per_function_toporder): New function.
26990         (execute_one_pass): Dump current pass here.
26991         (execute_ipa_pass_list): Don't dump current pass here.
26992
26993 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
26994
26995         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
26996         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
26997
26998 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
26999
27000         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
27001         (strong_alias): Define.
27002         (__gcc_qmul): Provide non-FMA for soft-float.
27003         (__gcc_qdiv): Same.
27004         (__gcc_qneg): New.
27005         (__gcc_qeq): New.
27006         (__gcc_qle): New.
27007         (__gcc_qge): New.
27008         (__gcc_qunord): New.
27009         (__gcc_stoq): New.
27010         (__gcc_dtoq): New.
27011         (__gcc_qtos): New.
27012         (__gcc_qtod): New.
27013         (__gcc_qtoi): New.
27014         (__gcc_qtou): New.
27015         (__gcc_itoq): New.
27016         (__gcc_utoq): New.
27017         (fmsub): New.
27018         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27019         soft-float functions.
27020         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27021         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27022         about long double soft float.
27023
27024 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27025             Tehila Meyzels  <tehila@il.ibm.com>
27026
27027         * tree-vectorizer.h (is_pattern_stmt_p): New.
27028         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27029         formatting (tabs instead of spaces). Cleanup and clarify setting
27030         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27031         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27032         (vectorizable_type_demotion): Check that types are integral.
27033         (vectorizable_type_promotion): Likewise.
27034         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27035         comments.
27036
27037 2007-01-16  Jan Hubicka  <jh@suse.cz>
27038
27039         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27040         cgraph edges too.
27041
27042 2007-01-15  Eric Christopher  <echristo@apple.com>
27043
27044         * ifcvt.c: Include vec.h, vecprim.h.
27045         (check_cond_move_block): New argument regs.
27046         Reorganize. Add registers used to regs.
27047         (cond_move_process_if_block): Use regs set above as
27048         loop bounds.
27049
27050 2007-01-15  Eric Christopher  <echristo@apple.com>
27051
27052         * config/darwin.h: Update copyright.
27053         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27054         (LINK_COMMAND_SPEC): Add -u.
27055         (LINK_SPEC): Fix umbrella for above.
27056
27057 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27058
27059         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27060         glibc CVS.
27061
27062 2007-01-15  Tom Tromey  <tromey@redhat.com>
27063
27064         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27065         * doc/install.texi (Testing): Don't mention jacks.
27066         (Configuration): Document --enable-java-maintainer-mode.  Move
27067         --with-java-home to libgcj-specific section.  Document
27068         --with-ecj-jar.
27069         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27070
27071 2007-01-15  Jan Hubicka  <jh@suse.cz>
27072
27073         * tree-ssa-dce.c (DCE_TODOs): New.
27074         (propagate_necessity): Return if something changed.
27075         (eliminate_unnecessary_stmts): Likewise.
27076         (perform_tree_ssa_dce): Return TODO flags when needed.
27077         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27078
27079 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27080
27081         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27082         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27083         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27084         patterns using X87MODEF12 mode macro.  Extend operand 1
27085         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27086         (log10<mode>2): Ditto.
27087         (log2<mode>2): Ditto.
27088         (log1p<mode>2): Ditto.
27089         (logb<mode>2): Ditto.
27090         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27091         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27092         (*fxtractxf3_i387): Rename from *fxtractxf3.
27093         (fxtract_extend<mode>xf3_i387): New insn pattern.
27094         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27095         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27096         and gen_fyl2xxf3_i387().
27097
27098 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27099
27100         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27101         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27102         get_loop_exit_edges.  Changed return type to bool.
27103         * cfgloop.h (fix_loop_placement): Declaration removed.
27104
27105 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27106
27107         * param.h (MIN_VECT_LOOP_BOUND): New.
27108         * params.def (MIN_VECT_LOOP_BOUND): New.
27109         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27110         argument - minimum threshold for number of iterations.
27111         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27112         argument to declaration.
27113         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27114         MIN_VECT_LOOP_BOUND.
27115         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27116         slpeel_tree_peel_loop_to_edge with additional argument.
27117         (vect_do_peeling_for_alignment): Likewise.
27118         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27119
27120 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27121
27122         PR target/30413
27123         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27124         operands of size 1.
27125
27126 2007-01-14  Jan Hubicka  <jh@suse.cz>
27127
27128         * tree-dfa.c (remove_referenced_var): New function.
27129         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27130         prune referenced vars list too.
27131         * tree-flow.h (remove_referenced_var): Declare.
27132
27133 2007-01-14  Jan Hubicka  <jh@suse.cz>
27134
27135         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27136         separately.
27137         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27138         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27139         * except.h (verify_eh_throw_table_statements): Kill prototype.
27140         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27141         into call exrepssions.
27142         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27143         eh trhow verifier.
27144         * tree-cfg.c: Include pointer-set.h.
27145         (verify_node_sharing): Work on pointer set.
27146         (verify_eh_throw_stmt_node): New.
27147         (verify_stmts): Use pointers sets, verify throw_stmt.
27148
27149 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27150
27151         * ipa-reference.c (analyze_function): Consider also addresses taken
27152         in phi nodes.
27153
27154 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27155
27156         * c-typeck.c (null_pointer_constant_p): Replace use of
27157         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27158         (build_c_cast): Likewise.
27159
27160 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27161
27162         * tree.h (force_fit_type_double): Remove unused final argument.
27163         * c-common.c (constant_expression_warning): Replace use of
27164         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27165         (convert_and_check): Likewise.
27166         (shorten_compare): Update call to force_fit_type_double.
27167         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27168         * convert.c (convert_to_pointer): Update call to
27169         force_fit_type_double.
27170         * fold-const.c (force_fit_type_double): Remove overflowed_const
27171         argument.
27172         (int_const_binop, fold_convert_const_int_from_int,
27173         fold_convert_const_int_from_real, fold_div_compare,
27174         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27175         fold_abs_const, fold_not_const): Remove the final argument from
27176         calls to force_fit_type_double.
27177
27178 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27179
27180         * configure.ac: Set insn to "nop" for spu-*-* also.
27181         * configure: Regenerate.
27182
27183 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27184
27185         * builtins.def : Add BUILT_IN_FREE.
27186
27187 2007-01-12  Jan Hubicka  <jh@suse.cz>
27188
27189         PR tree-optimization/30443
27190         * tree-inline.c (tree_function_versioning): Do not optimize when
27191         cloning for inlining.
27192
27193 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27194
27195         * doc/loop.texi: Document recording of loop exits.
27196         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27197         (update_single_exits_after_duplication,
27198         update_single_exit_for_duplicated_loop,
27199         update_single_exit_for_duplicated_loops): Removed.
27200         (duplicate_loop_to_header_edge): Do not call
27201         update_single_exits_after_duplication and
27202         update_single_exit_for_duplicated_loops.
27203         (loop_version): Do not update single_exit information.
27204         (fix_loop_structure): Use record_loop_exits instead of
27205         mark_single_exit_loops.
27206         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27207         the lists of loop exits.
27208         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27209         split_edge, merge_blocks): Update the lists of loop exits.
27210         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27211         loop_optimizer_init.
27212         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27213         of mark_single_exit_loops.
27214         (loop_optimizer_finalize): Call release_recorded_exits.
27215         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27216         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27217         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27218         update single exit information.
27219         * lambda-code.c (perfect_nestify): Ditto.
27220         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27221         (mark_single_exit_loops): Removed.
27222         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27223         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27224         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27225         functions.
27226         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27227         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27228         (verify_loop_structure): Verify consistency of the exit lists.
27229         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27230         (set_single_exit): Removed.
27231         * cfgloop.h (struct loop_exit): New function.
27232         (struct loop): single_exit_ field replaced by exits field.
27233         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27234         LOOPS_HAVE_RECORDED_EXITS.
27235         (struct loops): Added exits hash.
27236         (mark_single_exit_loops, set_single_exit): Declaration removed.
27237         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27238
27239 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27240
27241         * doc/invoke.texi: Avoid use of @headitem.
27242
27243 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27244
27245         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27246
27247 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27248
27249         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27250         list of targets.
27251
27252 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27253             Richard Sandiford  <richard@codesourcery.com>
27254
27255         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27256         * config/m68k/m68k.opt: Resort options.
27257         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27258
27259 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27260             Richard Sandiford  <richard@codesourcery.com>
27261
27262         * doc/invoke.texi: Document the macros that are defined by
27263         m68k's -mtune and -mhard-float options.
27264         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27265         (m68k_cpp_cpu_family): Likewise.
27266         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27267         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27268         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27269         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27270         (m68k_cpp_cpu_family): Likewise.
27271
27272 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27273
27274         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27275         macros besides mc68000 as tuning macros.  Use a switch statement
27276         to set them and mcpu32.
27277
27278 2007-01-12  Julian Brown  <julian@codesourcery.com>
27279
27280         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27281         (TARGET_68040_ONLY): Rename to...
27282         (TARGET_68040): ...this.
27283         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27284         * config/m68k/m68k.md: Likewise.
27285
27286 2007-01-12  Julian Brown  <julian@codesourcery.com>
27287             Nathan Sidwell  <nathan@codesourcery.com>
27288             Richard Sandiford  <richard@codesourcery.com>
27289
27290         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27291         the -mcpu= argument associated with the --with-cpu setting.
27292         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27293         if different from the one implied by the -mcpu setting.
27294         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27295         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27296         * doc/invoke.texi: Mention ColdFire in the introduction to the
27297         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27298         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27299         -mhard-float.  Document the previously-undocumented -m5206e,
27300         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27301         documentation for consistency.
27302         * doc/install.texi: Mention new --with-cpu arguments.
27303         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27304         default CPU if neither -mcpu nor -march are specified.
27305         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27306         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27307         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27308         using m68k_tune to decide between families that implement the
27309         same ISA.  Use m68k_tune to set __mcfv4e__.
27310         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27311         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27312         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27313         (FL_ISA_C, FL_ISA_MMU): New macros.
27314         (MASK_COLDFIRE): Delete.
27315         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27316         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27317         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27318         (TARGET_HARD_FLOAT): Do not define here.
27319         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27320         (TUNE_68000): New macro.
27321         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27322         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27323         (TUNE_CFV2): Redefine in terms of m68k_tune.
27324         (uarch_type, target_device, fpu_type): New enums.
27325         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27326         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27327         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27328         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27329         (FL_FOR_isa_c): New macros.
27330         (m68k_isa): New enum.
27331         (m68k_target_selection): New structure.
27332         (all_devices, all_isas, all_microarchs): New tables.
27333         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27334         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27335         (MASK_ALL_CPU_BITS): Delete.
27336         (m68k_find_selection): New function.
27337         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27338         Map the legacy target options to a combination of the new ones.
27339         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27340         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27341         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27342         settings.
27343         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27344         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27345         properties.
27346         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27347         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27348         * config/m68k/m68k-devices.def: New file.
27349
27350 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27351             Nathan Sidwell  <nathan@codesourcery.com>
27352
27353         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27354         (SUBTARGET_EXTRA_SPECS): New macros.
27355         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27356         use %(asm_cpu_spec) instead.
27357         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27358         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27359         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27360         (EXTRA_SPECS): Rename to...
27361         (SUBTARGET_EXTRA_SPECS): ...this.
27362
27363 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27364             Richard Sandiford  <richard@codesourcery.com>
27365             Julian Brown  <julian@codesourcery.com>
27366
27367         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27368         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27369         to the configuration's default CPU.
27370         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27371         Remove default masks.
27372         (m680[012]0-*-*): Set the default with_cpu to the first part of
27373         the target name.
27374         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27375         (m68k*-*-linux): Extend the --with-cpu handling to...
27376         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27377         and m68010.  Don't set target_cpu_default2.
27378         * doc/install.texi: Document --with-cpu for m68k.
27379         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27380         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27381         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27382         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27383         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27384         (ASM_SPEC): Remove use of %(asm_cpu_default).
27385         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27386         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27387         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27388         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27389         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27390         (TARGET_DEFAULT): Delete.
27391         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27392         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27393         (CPP_CPU_SPEC): Delete.
27394         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27395         the appropriate string.
27396         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27397         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27398         (ASM_SPEC): Don't use %(asm_default_spec).
27399         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27400         TARGET_DEFAULT and add MASK_68881.
27401         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27402
27403 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27404
27405         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27406         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27407         MASK_68010 alongside MASK_68020.
27408         * doc/invoke.texi: Document -m68010.
27409         * config/m68k/m68k.opt (m68010): New.
27410         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27411         if TUNE_68010.
27412         (TUNE_68010): New macro.
27413         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27414         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27415         (M68K_CPU_m68332): Add MASK_68010.
27416         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27417         fallback definition.
27418         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27419         defines.
27420         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27421         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27422         to all entries that use MASK_68020.
27423         (output_move_simode_const, output_move_himode, output_move_qimode)
27424         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27425         instead of TARGET_68020 to select clr behavior.  Remove comment
27426         about there being no TARGET_68010.
27427         * config/m68k/m68k.md: Likewise throughout.
27428
27429 2007-01-12  Julian Brown  <julian@codesourcery.com>
27430
27431         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27432         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27433         * config/m68k/m68k.md: Likewise.
27434
27435 2007-01-12  Julian Brown  <julian@codesourcery.com>
27436
27437         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27438         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27439
27440 2007-01-12  Julian Brown  <julian@codesourcery.com>
27441
27442         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27443         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27444         * config/m68k/m68k.md: Likewise.
27445
27446 2007-01-12  Julian Brown  <julian@codesourcery.com>
27447             Richard Sandiford  <richard@codesourcery.com>
27448
27449         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27450         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27451         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27452         TARGET_CPU32.
27453         (TARGET_CPU32): Rename to...
27454         (TUNE_CPU32): ...this.
27455         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27456         (TUNE_CFV2): New macros.
27457         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27458         remove conditions that are implied by TARGET_68020.
27459         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27460         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27461         (m68k_output_function_epilogue): Likewise.
27462         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27463         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27464         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27465         non-68000 timings.  Refactor multiplication and division costs.
27466         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27467         TUNE_CPU32 instead of TARGET_CPU32.
27468         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27469         and TUNE_68060 instead of TARGET_68060.
27470         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27471         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27472         TARGET_CPU32.
27473         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27474         && !TARGET_COLDFIRE" to choose between moveq and clr.
27475         Likewise in the unnamed movsf pattern.
27476         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27477         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27478         ashiftrt pattern.
27479
27480 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27481
27482         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27483         of tabbing before backslashes.
27484
27485 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27486
27487         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27488         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27489         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27490
27491 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27492
27493         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27494         find_interesting_uses_cond.
27495         (find_interesting_uses_cond): Use extract_cond_operands.
27496         (rewrite_use_compare): Use extract_cond_operands and
27497         force_gimple_operand_bsi.  Do not call update_stmt.
27498         (determine_use_iv_cost_condition): Use extract_cond_operands.
27499         Return cheaper of using original bound and changing the exit bound.
27500
27501 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27502
27503         PR tree-optimization/29516
27504         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27505         most_expensive_mult_to_index, addr_to_parts,
27506         create_mem_ref, maybe_fold_tmr): Make the type of
27507         fields of TARGET_MEM_REF sizetype.
27508         (move_fixed_address_to_symbol, move_pointer_to_base):
27509         New functions.
27510         * tree.def (TARGET_MEM_REF): Add comment on types of
27511         the operands.
27512
27513 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27514
27515         * c-common.c (vector_types_convertible_p): Treat opaque types as
27516         always convertible if they have the same size, but not otherwise.
27517
27518 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27519
27520         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27521         Remove the b_unconditional field.
27522         (noce_try_sign_mask): Do not look at b_unconditional.
27523         (noce_process_if_block): Do not use merge_if_blocks.  Update
27524         the CFG here.  Do not set b_unconditional.
27525         (cond_move_process_if_block): Likewise.
27526         (find_cond_trap): Likewise.
27527         (check_cond_move_block): Require simple jump insns at the end
27528         of the basic block.
27529
27530 2007-01-11  Jan Hubicka  <jh@suse.cz>
27531
27532         PR tree-optimization/1046
27533         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27534         when alias info is not ready.
27535         (pass_tail_recursion): Do not require aliasing.
27536         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27537         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27538         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27539         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27540         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27541         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27542         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27543         before inlining.
27544         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27545         When aliasing is not build, mark statement as volatile.
27546
27547 2007-01-11  Tom Tromey  <tromey@redhat.com>
27548
27549         PR preprocessor/15185, PR preprocessor/20989:
27550         * doc/cppopts.texi <-MT>: Update description of algorithm for
27551         computing default target.
27552         <-M, -MD>: Reword "basename" text.
27553
27554 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27555
27556         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27557         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27558         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27559         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27560         fold_builtin_bswap, real_constp, fold_builtin_pow,
27561         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27562         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27563         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27564         * convert.c (convert_to_pointer): Likewise.
27565         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27566         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27567         const_binop, fold_convert_const_int_from_int,
27568         fold_convert_const_int_from_real,
27569         fold_convert_const_real_from_real, sign_bit_p,
27570         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27571         fold_sign_changed_comparison, fold_unary, fold_comparison,
27572         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27573         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27574         * print-tree.c (print_node_brief, print_node): Likewise.
27575         * stor-layout.c (place_field, layout_type): Likewise.
27576         * tree-chrec.c (keep_cast): Likewise.
27577         * tree.c (build_vector, build_real, build_real_from_int_cst,
27578         build_complex): Likewise.
27579
27580 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27581
27582         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27583         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27584
27585 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27586
27587         * configure.ac (strict1_warn): Rename to strict_warn.
27588         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27589         cc_set_by_configure, quoted_cc_set_by_configure,
27590         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27591         all_boot_languages, all_stagestuff): Remove.
27592         (target_list): Remove bootstrap targets.
27593         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27594         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27595         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27596         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27597         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27598         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27599         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27600         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27601         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27602         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27603         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27604         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27605         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27606         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27607         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27608         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27609         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27610         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27611         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27612         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27613         (mostlyclean): Adjust.
27614         (clean, distclean): Don't mention bootstrap stuff.
27615         * configure: Regenerate.
27616         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27617         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27618         treelang/config-lang.in (stagestuff): Remove.
27619         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27620         stageprofile, stagefeedback, stagestuff): Remove mention.
27621
27622 2007-01-11  Nick Clifton  <nickc@redhat.com>
27623
27624         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27625         Accept CONSTs.
27626         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27627         (mcore_arith_K_S_operand): Run the test for the S constraint not
27628         the test for the M constraint.
27629         (mcore_addsub_operand): Do not accept integer values that are
27630         larger than 32 bits.
27631         * config/mcore/mcore.md: Remove unused constraints from split.
27632         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27633         (addsi3): Likewise.
27634         (allocate_stack): Likewise.
27635         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27636         operands to 32 bits.
27637         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27638         INTVAL.
27639         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27640         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27641         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27642         mcore_output_bclri, mcore_output_andn, output_inline_const,
27643         mcore_output_move, mcore_output_movedouble): Likewise.
27644         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27645         (output_inline_const): Likewise.
27646         (output_inline_const): Fix format strings used in sprintf
27647         statements.
27648         * config/mcore/mcore-protos.h: Update prototypes for changed
27649         functions in mcore.c.
27650         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27651         HOST_WIDE_INT and not int.
27652         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27653         CONST_OK_FOR_N): Likewise.
27654         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27655         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27656         an INTVAL.
27657
27658 2007-01-10  Jan Hubicka  <jh@suse.cz>
27659
27660         * tree-vrp.c (remove_range_assertions): Release defs.
27661         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27662         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27663
27664 2007-01-10  Paul Brook  <paul@codesourcery.com>
27665
27666         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27667         * config/arm/arm.md (mulsi3subsi): New insn.
27668
27669 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27670
27671         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27672         (tree_transform_and_unroll_loop): New.
27673         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27674         Declare.
27675
27676 2007-01-10  Robert Kennedy <jimbob@google.com>
27677
27678         * fold-const.c (fold_comparison): Fold comparisons like (x *
27679         1000 < 0) to (x < 0).
27680
27681 2007-01-10  Ian Lance Taylor  <iant@google.com>
27682
27683         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27684         operands have the same priority.
27685
27686 2007-01-10  Tom Tromey  <tromey@redhat.com>
27687
27688         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27689         (fold_binary): Likewise.
27690         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27691         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27692         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27693         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27694         * langhooks.h (struct lang_hooks): Removed field
27695         'can_use_bit_fields_p'.
27696
27697 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
27698
27699         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
27700
27701 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
27702
27703         * function.c (get_last_funcdef_no): New function.
27704         * function.h (get_last_funcdef_no): Declare.
27705         * tree-inline.c (initialize_cfun): Add initialization.
27706         (tree_function_versioning): Cleanup.
27707
27708 2007-01-10  Jan Hubicka  <jh@suse.cz>
27709
27710         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
27711         PHIs.
27712
27713 2007-01-10  Sa Liu  <saliu@de.ibm.com>
27714             Ben Elliston  <bje@au.ibm.com>
27715
27716         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
27717         for SAVE_NONLOCAL and Pmode for any other save level.
27718         * spu-protos.h (spu_restore_stack_block): Declare.
27719         * spu.md (save_stack_block): Remove.
27720         (restore_stack_block): Call spu_restore_stack_block.
27721         * spu.c (spu_restore_stack_block): New function.
27722         (spu_expand_epilogue): Remove old comment.
27723
27724 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
27725
27726         PR tree-optimization/30322
27727         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
27728         (cand_value_at): Return the value as aff_tree.
27729         (may_eliminate_iv): Convert the bound from aff_tree to tree.
27730         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
27731         aff_combination_mult): New functions.
27732         (aff_combination_add): Use aff_combination_add_cst.
27733         (aff_combination_convert): Allow conversions to a wider type.
27734         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
27735         * tree-affine.h (aff_combination_mult): Declare.
27736
27737 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
27738
27739         * doc/tm.texi: Update documentation to reflect reality of exec
27740         and start file search behaviours. Update copyright year.
27741         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
27742         header file directories.
27743
27744 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
27745
27746         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
27747         (*cosxf2): Rename to cosxf2_i387.
27748         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
27749         using X87MODEF12 mode macro. Rename patterns to
27750         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
27751         for SSE math.
27752         (*cosdf2, *cossf2): Ditto.
27753         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
27754         to match extended input operands.
27755         (sincos<mode>3): New expander.
27756         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
27757         insn patterns and corresponding splitters.
27758
27759 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
27760
27761         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
27762         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
27763
27764 2007-01-09  Nicolas Pitre  <nico@cam.org>
27765
27766         PR target/30173
27767         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
27768
27769 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27770
27771         * target.h (struct gcc_target): New field library_rtti_comdat.
27772         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
27773         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
27774         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
27775         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
27776
27777 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27778
27779         * doc/invoke.texi (Optimize Options): Correct description of -O0.
27780
27781 2007-01-08  Richard Guenther  <rguenther@suse.de>
27782
27783         * tree.h (force_fit_type_double): Export.
27784         (force_fit_type): Remove.
27785         * fold-const.c (force_fit_type_double): New function.
27786         (force_fit_type): Remove.
27787         (int_const_binop): Use it.
27788         (fold_convert_const_int_from_int): Likewise.
27789         (fold_convert_const_int_from_real): Likewise.
27790         (fold_div_compare): Likewise.
27791         (fold_sign_changed_comparison): Likewise.
27792         (fold_unary): Likewise.
27793         (fold_negate_const): Likewise.
27794         (fold_abs_const): Likewise.
27795         (fold_not_const): Likewise.
27796         * c-common.c (shorten_compare): Use force_fit_type_double.
27797         * convert.c (convert_to_pointer): Likewise.
27798
27799 2007-01-08  Richard Guenther  <rguenther@suse.de>
27800
27801         * tree.h (build_int_cst_wide_type): Export.
27802         * tree.c (build_int_cst_wide_type): New function.
27803         (build_int_cst_wide): Fix comment.
27804         * builtins.c (fold_builtin_object_size): Use build_int_cst
27805         to build -1 or 0 of the correct type.  Use fit_double_type
27806         to check for overflow.
27807         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
27808         to build the mask.
27809         (decode_field_reference): Likewise.
27810         (all_ones_mask_p): Likewise.
27811         (native_interpret_int): Use build_int_cst_wide_type.
27812         (fold_binary): Use build_int_cst_type to build an all-ones
27813         value.
27814         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
27815
27816 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
27817
27818         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
27819
27820 2007-01-09  Ben Elliston  <bje@au.ibm.com>
27821
27822         * genautomata.c (STATS_OPTION): New option.
27823         (stats_flag): New flag.
27824         (gen_automata_option): Handle it.
27825         (initiate_automaton_gen): Ditto.
27826         (write_automata): Output statistics only if stats_flag is
27827         set. Likewise, output time statistics only if time_flag is set.
27828         * doc/md.texi (Processor pipeline description): Document new flag.
27829
27830 2007-01-08  Richard Guenther  <rguenther@suse.de>
27831
27832         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
27833         * tree.c (build_int_cst_type): Likewise.
27834         (size_in_bytes): Don't call force_fit_type on the result.
27835         (int_fits_type_p): Use fit_double_type.
27836         * fold-const.c (fit_double_type): New function.
27837         (force_fit_type): Use it.
27838         * tree.h (fit_double_type): Export.
27839
27840 2007-01-08  Jan Hubicka  <jh@suse.cz>
27841
27842         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
27843         * ipa.c (function_and_variable_visibility): Fix return type.
27844
27845 2007-01-08  Richard Guenther  <rguenther@suse.de>
27846
27847         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
27848         of offset to build the index.
27849         * tree-pretty-print.c (dump_generic_node): Don't build negated
27850         const just for printing.
27851         * c-pretty-print.c (pp_c_integer_constant): Likewise.
27852         * builtins.c (fold_builtin_int_roundingfn): Check if result
27853         fits the type by using force_fit_type and comparing the result.
27854         * predict.c (predict_loops): Use compare_tree_int for comparison.
27855         * tree.c (build_int_cst): Fall back to integer_type_node for
27856         NULL_TREE type.
27857         (build_int_cst_wide): Assert type is non-null.
27858
27859 2007-01-08  Roberto Costa  <roberto.costa@st.com>
27860
27861         * tree-vrp.c (extract_range_from_cond_expr): New.
27862         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
27863         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
27864         as expressions.
27865         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
27866         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
27867         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
27868         used as expressions.
27869         * tree-object-size.c (cond_expr_object_size): New.
27870         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
27871
27872 2007-01-08  Jan Hubicka  <jh@suse.cz>
27873
27874         * tree-ssa-forwprop.c (forward_propagate_into_cond,
27875         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
27876         statement.
27877
27878 2007-01-08  Richard Guenther  <rguenther@suse.de>
27879
27880         PR tree-optimization/23603
27881         * tree-vrp.c (set_value_range_to_truthvalue): New function.
27882         (extract_range_from_binary): Fall back to truthvalue instead of
27883         varying for TRUTH_*_EXPR.
27884         (extract_range_from_comparison): Fall back to truthvalue instead of
27885         varying.
27886         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
27887         if all visited PHI values were constant.
27888
27889 2007-01-08  Jan Hubicka  <jh@suse.cz>
27890
27891         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
27892         (cgraph_analyze_function): break out from ...
27893         (cgraph_finalize_compilation_unit): ... here.
27894         (cgraph_expand_function): Remove forgoten commented out line.
27895         (cgraph_optimize): Analyze functions.
27896
27897 2007-01-08  Jan Hubicka  <jh@suse.cz>
27898
27899         * tree-pas.h (TODO_remove_function): New flag.
27900         (TODO_update*): Renumber.
27901         (pass_ipa_increase_alignment,
27902         pass_ipa_function_and_variable_visibility): New passes.
27903         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
27904         (cgraph_function_and_variable_visibility): Move to ipa.c
27905         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
27906         cgraph_increase_alignment.
27907         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
27908         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
27909         calling tree-inline.
27910         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
27911         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
27912         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
27913         (gate_increase_alignment): New function.
27914         (pass_ipa_increase_alignment): New pass.
27915         * ipa.c: Inline tree-pass.h and timevar.h
27916         (function_and_variable_visibility): Move here from cgraphunit.c
27917         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
27918         * passes.c (init_optimization_passes): Add the two new passes.
27919         (execute_todo): Handle cgraph_remove_functions.
27920
27921 2007-01-08  Nick Clifton  <nickc@redhat.com>
27922
27923         * config/frv/predicates.md (reg_or_0_operand): Accept
27924         CONST_DOUBLEs.
27925
27926 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
27927
27928         * config/bfin/rtems.h, config/bfin/t-rtems: New.
27929         * config.gcc: Add bfin*-rtems*.
27930
27931 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27932
27933         * c.opt: Add -flax-vector-conversions.
27934         * c-typeck.c (convert_for_assignment): Pass flag to
27935         vector_types_convertible_p to allow emission of note.
27936         (digest_init): Likewise.
27937         * c-opts.c: Handle -flax-vector-conversions.
27938         * c-common.c (flag_lax_vector_conversions): New.
27939         (vector_types_convertible_p): Unless -flax-vector conversions
27940         has been passed, disallow conversions between vectors with
27941         differing numbers of subparts and/or element types.  If such
27942         a conversion is disallowed, possibly emit a note on the first
27943         occasion only to inform the user of -flax-vector-conversions.
27944         The new last argument specifies this.
27945         * c-common.h (flag_lax_vector_conversions): New.
27946         (vector_types_convertible_p): Add extra argument.
27947         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
27948         char_type_node for V*QI type vectors.
27949         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
27950         Update to satisfy new typechecking rules.
27951         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
27952         C and C++ variants.
27953         * doc/invoke.texi (C Dialect Options): Document
27954         -flax-vector-conversions.
27955
27956 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27957
27958         PR tree-optimization/29877
27959         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
27960         a register variable on the RHS to not be replaceable.
27961
27962 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
27963         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
27964         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
27965         const_simm15, const_pow2, const_npow2): Added.
27966         * config/score/misc.md (insv, extv, extzv, movmemsi,
27967         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
27968         * config/score/score.c (score_address_cost, score_select_cc_mode):
27969         Added.
27970         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
27971         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
27972         Update score_print_operand.
27973         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
27974         Adjust register allocate order and update some macro define.
27975         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
27976         mdx_block_move_straight, mdx_block_move_loop_head,
27977         mdx_block_move_loop_body, mdx_block_move_loop_foot,
27978         mdx_block_move_loop, mdx_block_move): Added.
27979         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
27980         mdp_limm): Updated and fix some bug and typo.
27981         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
27982         (movsf, movdf, doloop_end): Added.
27983
27984 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
27985
27986         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
27987         config/arm/thumb2.md: Fix comment typos.
27988         * doc/extend.texi: Fix a typo.
27989
27990 2007-01-07  Eric Christopher  <echristo@apple.com>
27991
27992         * configure.ac: Check for __stack_chk_fail for darwin.
27993         * configure: Regenerate.
27994
27995 2007-01-07  Richard Guenther  <rguenther@suse.de>
27996
27997         * tree-vrp.c (extract_range_from_assert): CSE calls to
27998         compare_values where possible.
27999         (extract_range_from_unary_expr): Likewise.
28000
28001 2007-01-07  Anatoly Sokolov <aesok@post.ru>
28002
28003         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
28004         * config/avr/avr.c (call_insn_operand): Delete function.
28005         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
28006         instead of register number. Use predicates.
28007         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
28008         call_insn_operand): Add.
28009
28010 2007-01-06  Jan Hubicka  <jh@suse.cz>
28011
28012         * tree-pass.h (pass_build_cgraph_edges): Declare.
28013         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
28014         (visited_nodes): Remove.
28015         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28016         build_cgrpah_edges; make visited_nodes local.
28017         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28018         (record_references_in_initializer): Move to cgraphbuild.c
28019         (initialize_inline_failed, rebuild_cgraph_edges,
28020         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28021         (verify_cgraph_node): Make visited_nodes local.
28022         (cgraph_analyze_function): Do not call cgraph_create_edges and
28023         initialize_inline_failed.
28024         (cgraph_expand_function): Do not call cgraph_lower_function;
28025         assert that function is already lowered.
28026         * Makefile.in (cgraphbuild.o): New.
28027         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28028         at the end of lowering passes.
28029
28030 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28031
28032         * ifcvt.c (cond_move_convert_if_block): New function, code
28033         factored out from...
28034         (cond_move_process_if_block): ...here.  Call the new function
28035         on the THEN and ELSE blocks.
28036         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28037         already takes care of this.
28038
28039 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28040
28041         PR c/19978
28042         * tree.h (TREE_OVERFLOW_P): New.
28043         * c-typeck.c (parser_build_unary_op): Warn only if result
28044         overflowed and operands did not.
28045         (parser_build_binary_op): Likewise.
28046         (convert_for_assignment): Remove redundant overflow_warning.
28047         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28048
28049 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28050
28051         * c-typeck.c (store_init_value): Split over two lines to follow
28052         the GNU coding style.
28053
28054 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28055
28056         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28057         __GXX_EXPERIMENTAL_CXX0X__.
28058         * doc/cpp.texi: Same.
28059
28060 2007-01-05  Richard Guenther  <rguenther@suse.de>
28061
28062         PR middle-end/27826
28063         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28064         with mismatched types.  Instead explicitly build a
28065         conversion NOP_EXPR.
28066
28067 2007-01-05  Ian Lance Taylor  <iant@google.com>
28068
28069         * c-common.c (decl_with_nonnull_addr_p): New function.
28070         (c_common_truthvalue_conversion): Call it.
28071         * c-typeck.c (build_binary_op): Likewise.
28072         * c-common.h (decl_with_nonnull_addr_p): Declare.
28073
28074 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28075
28076         PR c/30360
28077         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28078         denom against 0.0.
28079
28080 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28081
28082         * doc/install.texi (Final install): Document the fact that
28083         the GNAT runtime should not be stripped.
28084
28085 2007-01-04  Jan Hubicka  <jh@suse.cz>
28086
28087         * tree-inline.c (fold_marked_statements): Update operand caches
28088         and EH after folding
28089
28090 2007-01-04  Ian Lance Taylor  <iant@google.com>
28091
28092         * c-common.c (check_function_nonnull): Whitespace fix.
28093
28094 2007-01-04  Jan Hubicka  <jh@suse.cz>
28095
28096         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28097         comitted older version of patch.
28098         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28099         function, celanup cfg and collect garbage.
28100
28101 2007-01-04  Mike Stump  <mrs@apple.com>
28102
28103         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28104         (clean): Likewise.
28105
28106 2007-01-04  Eric Christopher  <echristo@apple.com>
28107
28108         * libgcc2.c (__bswapsi2): Use SItype.
28109         (__bswapdi2): Use DItype.
28110         * libgcc2.h: Update for above.
28111
28112 2007-01-04  Paul Brook  <paul@codesourcery.com>
28113
28114         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28115         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28116         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28117         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28118         umulsi3_highpart): Make conditional on !arm_arch6.
28119         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28120         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28121         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28122         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28123         umulsi3_highpart_v6): New insns.
28124
28125 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28126
28127         * fold-const.c (fold_convert): When casting an expression to void,
28128         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28129         have a type.  Instead of attempting to build a NOP_EXPR, return
28130         these "special" trees directly.
28131
28132 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28133
28134         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28135         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28136         rs6000_cost->fp not 0 as adjustment for outer NEG.
28137
28138 2007-01-04  Jan Hubicka  <jh@suse.cz>
28139
28140         * cgraph.c (cgraph_release_function_body): New function.
28141         (cgraph_remove_node): Use it.
28142         * cgraph.h (cgraph_release_function_body): Declare.
28143         * cgraphunit.c (cgraph_expand_function): Use it.
28144         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28145         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28146         is initialized and while compilation of other function is running.
28147         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28148         statement CFG annotations from here to ...
28149         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28150
28151 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28152
28153         * cfgloop.h (enum li_flags): Make the constants powers of two.
28154
28155 2007-01-04  Jan Hubicka  <jh@suse.cz>
28156
28157         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28158         set.
28159         (fold_marked_statements): New function.
28160         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28161         * tree-inline.h (copy_body_data): Add statements_to_fold.
28162
28163 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28164
28165         * config.gcc: Mention libgcc/config.host.
28166         * Makefile.in: Update comments mentioning libgcc.
28167         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28168         (all.cross, start.encap, rest.encap, rest.cross): Update
28169         dependencies for libgcc move.
28170         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28171         (clean-target, clean-target-libgcc): Delete.
28172         (srcdirify, GCC_EXTRA_PARTS): New macros.
28173         (libgcc-support, libgcc.mvars): New rules.
28174         (distclean): Remove mention of mklibgcc.
28175         (install): Don't reference INSTALL_LIBGCC.
28176         (install-common): Don't reference EXTRA_PARTS.
28177         (install-libgcc, install-multilib): Delete rules.
28178         * mklibgcc.in: Delete file.
28179         * doc/configfiles.texi: Don't mention mklibgcc.
28180
28181         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28182         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28183         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28184         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28185         (mklibgcc, ldblspecs): Likewise.
28186
28187         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28188         (posixpre.def): Use $(T).
28189         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28190         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28191         (SHLIB_LINK): Make dummy.
28192         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28193
28194         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28195
28196         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28197         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28198         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28199         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28200
28201         * configure.ac (all_outputs): Remove mklibgcc.
28202         * configure: Regenerated.
28203
28204 2007-01-03  Josh Conner  <jconner@apple.com>
28205
28206         PR middle-end/29683
28207         * calls.c (compute_argument_addresses): Set stack and stack_slot
28208         for partial args, too.
28209         (store_one_arg): Use locate.size.constant for the size when
28210         generating a save_area.
28211
28212 2007-01-03  Robert Kennedy <jimbob@google.com>
28213
28214         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28215         whose definitions are deleted due to basic block merging.
28216
28217 2007-01-03  Paul Brook  <paul@codesourcery.com>
28218
28219         PR target/16634
28220         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28221         functions.
28222         (use_return_insn): Return 0 for Thumb interrupt functions.
28223         (print_multi_reg): Add rfe argument for IRQ returns.
28224         (arm_output_epilogue): Pop interrupt return address directly into PC.
28225         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28226
28227 2007-01-03  Paul Brook  <paul@codesourcery.com>
28228
28229         Merge from sourcerygxx-4_1.
28230         * config/arm/thumb2.md: New file.
28231         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28232         Thumb-2.
28233         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28234         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28235         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28236         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28237         tables.
28238         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28239         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28240         comptibility.
28241         * config/arm/ieee754-sf.S: Ditto.
28242         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28243         (thumb1_base_register_rtx_p): ... to this.
28244         (thumb_index_register_rtx_p): Rename...
28245         (thumb1_index_register_rtx_p): ... to this.
28246         (thumb_output_function_prologue): Rename...
28247         (thumb1_output_function_prologue): ... to this.
28248         (thumb_legitimate_address_p): Rename...
28249         (thumb1_legitimate_address_p): ... to this.
28250         (thumb_rtx_costs): Rename...
28251         (thumb1_rtx_costs): ... to this.
28252         (thumb_compute_save_reg_mask): Rename...
28253         (thumb1_compute_save_reg_mask): ... to this.
28254         (thumb_final_prescan_insn): Rename...
28255         (thumb1_final_prescan_insn): ... to this.
28256         (thumb_expand_epilogue): Rename...
28257         (thumb1_expand_epilogue): ... to this.
28258         (arm_unwind_emit_stm): Rename...
28259         (arm_unwind_emit_sequence): ... to this.
28260         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28261         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28262         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28263         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28264         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28265         thumb2_output_casesi): New functions.
28266         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28267         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28268         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28269         THUMB2_WORK_REGS): Define.
28270         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28271         arm_condexec_mask, arm_condexec_masklen)): New variables.
28272         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28273         (arm_override_options): Check new CPU capabilities.
28274         Set new architecture flag variables.
28275         (arm_isr_value): Handle v7m interrupt functions.
28276         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28277         Thumb-2.
28278         (const_ok_for_arm): Handle Thumb-2 constants.
28279         (arm_gen_constant): Ditto.  Use movw when available.
28280         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28281         functions.
28282         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28283         (thumb_find_work_register, arm_load_pic_register,
28284         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28285         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28286         print_multi_reg, output_mov_long_double_fpa_from_arm,
28287         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28288         output_mov_double_fpa_from_arm, output_move_double,
28289         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28290         output_return_instruction, arm_output_function_prologue,
28291         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28292         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28293         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28294         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28295         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28296         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28297         '!' and 'L'.
28298         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28299         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28300         (arm_file_start): Output directive for unified syntax.
28301         (arm_unwind_emit_set): Handle stack alignment instruction.
28302         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28303         Add v6t2, v7, v7a, v7r and v7m.
28304         (RETLDM): Add Thumb-2 code.
28305         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28306         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28307         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28308         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28309         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28310         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28311         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28312         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28313         ADJUST_INSN_LENGTH): Define.
28314         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28315         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28316         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28317         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28318         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28319         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28320         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28321         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28322         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28323         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28324         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28325         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28326         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28327         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28328         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28329         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28330         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28331         cortex-m3.
28332         * config/arm/arm-tune.md: Regenerate.
28333         * config/arm/arm-protos.h: Update prototypes.
28334         * config/arm/vfp.md: Enable patterns for Thumb-2.
28335         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28336         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28337         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28338         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28339         * config/arm/libunwind.S: Add Thumb-2 code.
28340         * config/arm/constraints.md: Update include Thumb-2.
28341         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28342         * config/arm/ieee754-df.S: Ditto.
28343         * config/arm/bpabi.S: Ditto.
28344         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28345         * config/arm/predicates.md (low_register_operand,
28346         low_reg_or_int_operand, thumb_16bit_operator): New.
28347         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28348         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28349         * config/arm/t-arm-elf: Add armv7 multilib.
28350         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28351         Include thumb2.md.
28352         (UNSPEC_STACK_ALIGN, ce_count): New.
28353         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28354         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28355         insns/expanders.
28356         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28357         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28358         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28359         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28360         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28361         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28362         insns.
28363         * doc/extend.texi: Document ARMv7-M interrupt functions.
28364         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28365
28366 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28367
28368         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28369         (struct _Unwind_Context): Rename args_size to flags, remove
28370         signal_frame field, add a new args_size field and version field.
28371         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28372         _Unwind_IsExtendedContext): New inline functions.
28373         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28374         Assume by_value array is only present if _Unwind_IsExtendedContext.
28375         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28376         _Unwind_IsSignalFrame.
28377         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28378         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28379         (uw_init_context_1): Initialize context->flags to
28380         EXTENDED_CONTEXT_BIT.
28381         * config/rs6000/linux-unwind.h (frob_update_context): Use
28382         _Unwind_SetSignalFrame.
28383
28384 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28385
28386         PR middle-end/30353
28387         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28388         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28389         the value.
28390
28391 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28392
28393         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28394         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28395         RET, AT_SP): Remove.
28396         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28397         instead of RET.
28398
28399         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28400         * cfgbuild.c (find_basic_blocks): Likewise.
28401         * cfgrtl.c (rtl_create_basic_block): Likewise.
28402         * function.c (temp_slots_at_level): Likewise.
28403         * reg-stack.c (stack_regs_mentioned): Likewise.
28404         * regclass.c (allocate_reg_info): Likewise.
28405         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28406         set_bb_for_stmt, move_block_to_fn): Likewise.
28407         * tree-complex.c (tree_lower_complex): Likewise.
28408         * vec.h (VEC_safe_grow_cleared): New.
28409
28410         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28411
28412 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28413
28414         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28415         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28416         to loop_version.
28417         * cfgloopmanip.c (scale_loop_frequencies): Export.
28418         (loopify): Scale the frequencies by prescribed coefficients.
28419         (set_zero_probability): New function.
28420         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28421         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28422         and frequencies according to arguments.
28423         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28424         correctly.
28425         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28426         * modulo-sched.c (sms_schedule): Set probabilities for entering
28427         versioned loop correctly.
28428         * tree-vect-transform.c (vect_transform_loop): Ditto.
28429         * cfgloop.h (loopify, loop_version): Declaration changed.
28430         (scale_loop_frequencies): Declared.
28431
28432 2007-01-02  Jan Hubicka  <jh@suse.cz>
28433
28434         * cgraph.c: Include tree-flow.h
28435         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28436         early_local_passes.
28437         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28438         * tree-pass.h (pass_all_early_optimizations): Declare.
28439         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28440         early_local_passes.
28441         (cgraph_analyze_function): Do early_local_passes.
28442         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28443         Do not add referenced vars.
28444         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28445         SSA form.
28446         (gate_all_early_local_passes): New gate.
28447         (pass_early_local_passes): Use new gate.
28448         (execute_early_local_optimizations): New functions.
28449         (gate_all_early_optimizations): New gate.
28450         (pass_all_early_optimizations): New pass.
28451         (execute_free_datastructures): Free SSA only when initialized.
28452         (gate_init_datastructures): Init only when optimizing.
28453         (tree_lowering_passes): Do early local passes when called late.
28454         * tree-profile.c (do_tree_profiling): Don't profile functions added
28455         late.
28456         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28457         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28458         not active.
28459         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28460         during early_local_passes.
28461         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28462
28463
28464 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28465
28466         * Makefile.in: Update copyright year.
28467
28468 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28469
28470         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28471         in $(lang_checks) and check-consistency targets.
28472
28473 2007-01-02  Jan Hubicka  <jh@suse.cz>
28474
28475         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28476         Do not add referenced vars.
28477         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28478         are not active.
28479         * passes.c (init_optimization_passes): Put mudflap_2 after
28480         free_datastructures.
28481
28482 2007-01-02  Jan Hubicka  <jh@suse.cz>
28483
28484         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28485         Set NOTHROW flag on call statements proved to be nothrow.
28486         Update statement of local calls so new pure/const functions are
28487         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28488         goto receivers.
28489         (tree_rest_of_compilation): Register hooks and initialize bitmap
28490         early. Do not set after_inlining flag.
28491
28492 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28493
28494         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28495         HOST_BITS_PER_LONGLONG
28496
28497 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28498
28499         PR c/19977
28500         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28501         warning for non-static initializers.
28502
28503 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28504
28505         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28506         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28507         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28508         Always use set_unique_reg_note to add REG_EQUAL notes.
28509
28510 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28511
28512         Revert:
28513         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28514
28515         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28516         * cfgbuild.c (find_basic_blocks): Likewise.
28517         * cfgrtl.c (rtl_create_basic_block): Likewise.
28518         * function.c (temp_slots_at_level): Likewise.
28519         * reg-stack.c (stack_regs_mentioned): Likewise.
28520         * regclass.c (allocate_reg_info): Likewise.
28521         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28522         set_bb_for_stmt, move_block_to_fn): Likewise.
28523         * tree-complex.c (tree_lower_complex): Likewise.
28524         * vec.h (VEC_safe_grow_cleared): New.
28525
28526 2007-01-02  Ian Lance Taylor  <iant@google.com>
28527
28528         * c-common.c (c_common_truthvalue_conversion): When warning about
28529         using an assignment as a truth value, set TREE_NO_WARNING.
28530
28531 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28532
28533         PR middle-end/7651
28534         * c.opt (Wold-style-declaration): New.
28535         * doc/invoke.texi (C-only Warning Options): New.
28536         (Wold-style-declaration): Document it.
28537         (Wextra): Enabled by -Wextra.
28538         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28539         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28540         -Wold-style-declaration.
28541
28542 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28543
28544         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28545         * cfgbuild.c (find_basic_blocks): Likewise.
28546         * cfgrtl.c (rtl_create_basic_block): Likewise.
28547         * function.c (temp_slots_at_level): Likewise.
28548         * reg-stack.c (stack_regs_mentioned): Likewise.
28549         * regclass.c (allocate_reg_info): Likewise.
28550         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28551         set_bb_for_stmt, move_block_to_fn): Likewise.
28552         * tree-complex.c (tree_lower_complex): Likewise.
28553         * vec.h (VEC_safe_grow_cleared): New.
28554
28555 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28556
28557         * c-common.c (c_common_nodes_and_builtins): Since variants of
28558         void_type_node get built before it is given a name, we need to
28559         give those variants the name, too.
28560         (complete_array_type): We need to work with the canonical main
28561         type of the array, from which we will build the qualified version.
28562         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28563         * print-tree.c (print_node): Display canonical type information
28564         for each type.
28565         * stor-layout.c (layout_type): When we don't know the
28566         alignment of a type for which we're building an array, we end up
28567         guessing wrong, so make the type require structural equality.
28568         * tree.c (make_node_stat): When we build a new type, it is its
28569         own canonical type.
28570         (build_type_attribute_qual_variant): When building an attribute
28571         variant, its canonical type is the non-attribute variant. However,
28572         if the attributes are target-dependent and they differ, we need to
28573         use structural equality checks for this type.
28574         (build_qualified_type): A qualified type is not equivalent to its
28575         unqualified variant; set the canonical type appropriately.
28576         (build_distinct_type_copy): When building a distinct type from
28577         another type, the new type is its own canonical type.
28578         (build_variant_type_copy): When building a new type variant, we
28579         assume that it is equivalent to the original type.
28580         (build_pointer_type_for_mode): When building a pointer type, also
28581         build a canonical type pointer.
28582         (build_reference_type_for_mode): When building a reference type,
28583         also build a canonical type reference.
28584         (build_index_type): When we can't hash an index type (e.g.,
28585         because its maximum value is negative), the index type requires
28586         structural equality tests.
28587         (build_array_type): Build the canonical form of an array type.
28588         (build_function_type): Function types require structural equality,
28589         because they contain default arguments, attributes, etc.
28590         (build_method_type_directly): Ditto for method types.
28591         (build_offset_type): Build the canonical offset type.
28592         (build_complex_type): Build the canonical vector type.
28593         (make_vector_type): Build the canonical vector type.
28594         * tree.h (TYPE_CANONICAL): New.
28595         (TYPE_STRUCTURAL_EQUALITY_P): New.
28596         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28597         (struct tree_type): Added "canonical" field.
28598         * params.h (VERIFY_CANONICAL_TYPES): New.
28599         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28600         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28601         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28602         * doc/invoke.texi (verify-canonical-types): Document --param
28603         parameter for verifying canonical types.
28604
28605 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28606
28607         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28608         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28609         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28610         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28611         tm_file.
28612         * config/rs6000/e500.h: New.
28613         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28614         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28615         Remove.
28616         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28617         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28618         TARGET_E500_DOUBLE): Remove.
28619         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28620         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28621         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28622         * config/rs6000/rs6000.c (rs6000_override_options): Use
28623         CHECK_E500_OPTIONS.
28624
28625 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28626
28627         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28628         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28629         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28630         rs6000_emit_cmove): Don't check TARGET_E500.
28631         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28632         sordered): Don't check TARGET_E500.
28633
28634 2007-01-01  Eric Christopher  <echristo@apple.com>
28635
28636         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28637         HARD_REGISTER_NUM_P.
28638
28639 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28640
28641         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28642         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28643         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28644         eq/ne Y".
28645
28646 2007-01-01  Mike Stump  <mrs@apple.com>
28647
28648         * configure.ac: Remove support for building with Apple's gcc-3.1.
28649
28650 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28651
28652         PR middle-end/30311
28653         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28654         REG is a hard register.  Do not modify REG before calling
28655         subreg_nregs.
28656         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28657         multiple of the size of YMODE for certain lowpart cases.
28658
28659 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28660
28661         PR middle-end/30253
28662         * gimplify (voidify_wrapper_expr): Update for
28663         GIMPLE_MODIFY_STMT.
28664
28665 2007-01-01  Andreas Schwab  <schwab@suse.de>
28666
28667         PR target/29166
28668         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28669         save of BR0 in extra_spill_size instead of spill_size.
28670         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28671         area.
28672         (ia64_expand_epilogue): Restore BR0 from its new location.
28673
28674 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28675
28676         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28677         Use a temporary variable if the left hand side is not a gimple
28678         register.
28679
28680 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28681
28682         * gimplify.c (gimplify_return_expr): Make the temporary variable
28683         for the return expression, a gimple register variable.
28684
28685 2007-01-01  Jan Hubicka  <jh@suse.cz>
28686
28687         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28688         INSN_LIST.
28689
28690 2007-01-01  Mike Stump  <mrs@apple.com>
28691
28692         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28693         .literal16.
28694         * config/darwin.c (machopic_select_rtx_section): Use
28695         HAVE_GAS_LITERAL16.
28696         (darwin_mergeable_constant_section): Likewise.
28697         * configure: Regenerate.
28698         * config.in: Regenerate.
28699
28700 2007-01-01  Jan Hubicka  <jh@suse.cz>
28701             Andrew Pinski  <pinskia@gmail.com>
28702
28703         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
28704         before starting IPA passes.