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* params.def (INLINE_CALL_COST): Set to 12.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-09-23  Jan Hubicka  <jh@suse.cz>
2
3         * params.def (INLINE_CALL_COST): Set to 12.
4         * invoke.texi (inline-call-cost): Update default value.
5
6 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
7
8         * config/alpha/alpha.md (movti): Use operand_subword for the split.
9
10 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
11             Revital Eres  <eres@il.ibm.com>
12
13         * modulo-sched.c (doloop_register_get): Rewrite the loop which
14         checks whether the count_reg is found outside the control part.
15
16 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
17
18         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
19         instead of checking CALL_EXPR_FN directly to test for builtins.
20         If error or warning attributes are present, print
21         error resp. warning.
22         * c-common.c (handle_error_attribute): New function.
23         (c_common_attribute_table): Add error and warning
24         attributes.
25         * doc/extend.texi: Document error and warning attributes.
26
27         * tree.h (block_nonartificial_location): New prototype.
28         * tree.c (block_nonartificial_location): New function.
29         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
30         if artificial attribute is present on abstract inline decl.
31         * c-common.c (handle_artificial_attribute): New function.
32         (c_common_attribute_table): Add artificial attribute.
33         * final.c (override_filename, override_linenum): New variables.
34         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
35         and override_linenum if inside of a block inlined from
36         __attribute__((__artificial__)) function.
37         (notice_source_line): Honor override_filename and override_linenum.
38         * doc/extend.texi: Document __attribute__((__artificial__)).
39         * config/i386/emmintrin.h: Add __artificial__ attribute to
40         all __always_inline__ functions.
41         * config/i386/mmintrin.h: Likewise.
42         * config/i386/tmmintrin.h: Likewise.
43         * config/i386/mm3dnow.h: Likewise.
44         * config/i386/pmmintrin.h: Likewise.
45         * config/i386/ammintrin.h: Likewise.
46         * config/i386/xmmintrin.h: Likewise.
47         * config/i386/smmintrin.h: Likewise.
48         * config/i386/bmmintrin.h: Likewise.
49         * config/i386/mmintrin-common.h: Likewise.
50
51         PR middle-end/28755
52         * expr.c (expand_constructor): New function.
53         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
54         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
55         CONSTRUCTOR.
56
57 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
58
59         * config/mips/mips.c (dump_constants_1): Generalize to include
60         fractional and accumulator modes.
61
62 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
63
64         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
65         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
66         flags for MIPS16.
67         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
68         TARGET_HARD_FLOAT when testing whether -mpaired-single is
69         supported.
70         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
71         TARGET_DSP.
72         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
73         TARGET_DSPR2.
74         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
75         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
76         TARGET_HARD_FLOAT.
77         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
78         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
79         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
80         throughout.
81         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
82         TARGET_HAS_DSPR2.
83         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
84         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
85         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
86
87 2007-09-22  Jason Merrill  <jason@redhat.com>
88
89         PR c++/19407
90         * attribs.c (lookup_attribute_spec): Split out...
91         (decl_attributes): From here.
92         * tree.h: Declare it.
93
94 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
95
96         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
97
98 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
99
100         * tree-inline.c (remap_type_1): Correctly chain variants.
101
102 2007-09-22  Richard Guenther  <rguenther@suse.de>
103
104         PR tree-optimization/33146
105         * fold-const.c (fold_binary): Use the original tree
106         for negating.
107         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
108         also changes "sign".
109
110 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
111
112         PR target/32325
113         * except.c (finish_eh_generation): Call commit_edge_insertions if
114         there are insns queued on the entry edge.
115         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
116         the entry edge.
117
118 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
119
120         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
121
122 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
123
124         * gcc/config/i386/i386.c: Delete trailing whitespace.
125         * gcc/config/i386/i386.h: Ditto.
126         * gcc/config/i386/bmmintrin.h: Ditto.
127         * gcc/config/i386/sync.md: Ditto.
128         * gcc/config/i386/ppro.md: Ditto.
129         * gcc/config/i386/mmx.md: Ditto.
130         * gcc/config/i386/constraints.md: Ditto.
131         * gcc/config/i386/sse.md: Ditto.
132         * gcc/config/i386/athlon.md: Ditto.
133         * gcc/config/i386/i386.md: Ditto.
134
135 2007-09-21  Richard Guenther  <rguenther@suse.de>
136
137         PR tree-optimization/33508
138         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
139         quadratic loop by keeping a bitmap of variables we have
140         to clobber all subvariables for.
141         (set_initial_properties): Likewise.
142
143 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
144
145         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
146
147 2007-09-20  Nigel Stephens  <nigel@mips.com>
148             Chao-ying Fu  <fu@mips.com>
149
150         * c-decl.c (finish_declspecs): When _Sat is used without
151         _Fract or _Accum, set the default type to cts_fract.
152         This avoids a warning of "type defaults to int".
153
154 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
155
156         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
157         bit-fields wider than one bit.
158
159 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
160
161         PR debug/33316
162         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
163         DECL_NAME.
164         * dbxout.c (dbxout_type): Likewise.
165
166         PR c/33238
167         PR c/27301
168         * gimplify.c (gimplify_vla_decl): New function.
169         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
170         Call it.
171         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
172
173 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
174
175         * doc/invoke.texi (-minterlink-mips16): Document.
176         * config/mips/mips.opt (minterlink-mips16): New option.
177         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
178         -minterlink-mips16
179
180 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
181
182         * doc/extend.texi (Attribute Syntax): Remove old speculative
183         future direction.
184
185 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
186
187         * combine.c: Include cgraph.h.
188         (setup_incoming_promotions): Rework to allow more aggressive
189         elimination of sign extensions when all call sites of the
190         current function are known to lie within the current unit.
191
192 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
193
194         * dse.c (find_shift_sequence): No-op rework of control flow.
195
196 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
197
198         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
199         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
200
201 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
202
203         * cfgexpand.c (dump_stack_var_partition): Use the correct
204         index for the offset.
205
206 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
207
208         * config/mips/sde.h: Switch to GPLv3.
209
210 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
211
212         * tree-sra.c (decide_block_copy): Decide if there are groups.
213
214 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
215
216         * config/m68k/m68k.c (output_move_himode): Remove jump table
217         recognition.
218         config/m68k/m68k.md (lea): Likewise.
219         * config/m68k/m68k.c (print_operand_address): Use simple pc
220         relative addressing.
221
222 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
223
224         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
225         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument default
226         definition.
227         (asm_insn_count): Pass template as second argument to it.
228         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
229         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
230         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
231         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
232         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
233         (sh_insn_length_adjustment): Pass template as second argument to it.
234         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
235
236         * config/bfin/bfin.md (define_asm_attributes): New.
237
238 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
239
240         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
241         to tm_file.
242         * config/bfin/print-sysroot-suffix.sh: New.
243         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
244         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
245         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
246         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
247         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
248         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
249         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
250         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
251         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
252         (linux-sysroot-suffix.h): New target.
253         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
254         (mspecld-anomaly): Likewise.
255         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
256         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
257         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
258         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
259         (bfin_si_revision): Declare.
260         (bfin_workarounds): Declare.
261         (WA_SPECULATIVE_LOADS): Define.
262         (ENABLE_WA_SPECULATIVE_LOADS): Define.
263         (WA_SPECULATIVE_SYNCS): Define.
264         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
265         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
266         (LIB_SPEC): Add %s to the linker scripts.
267         Use proper linker script for bf522, bf525, bf527,
268         bf538, bf539, bf542, bf544, bf548, and bf549.
269         * config/bfin/bfin.c (bfin_si_revision): Define.
270         (bfin_workarounds): Define.
271         (struct bfin_cpu): New.
272         (bfin_cpus): New.
273         (bfin_handle_option): Handle silicon revision part of -mcpu option.
274         (override_options): Set bfin_workarounds.
275         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
276         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
277         ENABLE_WA_SPECULATIVE_LOADS.
278         (bfin_reorg): Likewise.
279         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
280         macros for bf522, bf525, bf527, bf538, bf539,
281         bf542, bf544, bf548, and bf549.
282         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
283         Don't define __ID_SHARED_LIB__ when -msep-data.
284         (TARGET_DEFAULT): Define as 0.
285         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
286         * doc/invoke.texi (Blackfin Options): Document silicon
287         revision part of -mcpu option and it now accepts bf522, bf525,
288         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
289
290 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
291
292         * alias.c (memory_modified_1): Deconstify.
293         (memory_modified_in_insn_p): Don't use const_note_stores.
294         * rtl.h (const_note_stores): Delete.
295         * rtlanal.c (const_note_stores): Likewise.
296
297 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
298
299         * dse.c (find_shift_sequence): Temporarily revert to forbidding
300         word shifts.
301
302 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
303
304         PR target/33388
305         PR target/33397
306         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
307         (addsi_small_int): Likewise.
308         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
309         (one_cmplsi2): Likewise.
310         (negsi2): Delete.
311         (enter_func): Expand insn using hard_frame_pointer_rtx and
312         stack_pointer_rtx.
313         (*enter_func): New.
314         * config/fr30/fr30.c (fr30_expand_prologue): Check for
315         hard_frame_pointer_rtx instead of using REGNO() check.
316         Properly sign extend GEN_INT() argument.
317
318 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
319
320         * config/m68k/m68k.c (override_options): Remove USE_GAS,
321         use %. syntax.
322         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
323         alternatives with just jcc.
324         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
325         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
326         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
327         dbge_hi, dbge_si): Likewise.
328
329 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
330
331         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
332         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
333         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
334         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
335         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
336
337 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
338
339         * config/m68k/m68k-devices.def (51qe): New device.
340         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
341         to all uses of FL_FOR_isa_c for compatibility.
342         (all_microarchs): Add cfv1 microarchitecture.
343         (m68k_handle_option): Handle m51qe option.
344         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
345         (TUNE_CFV1): New macro.
346         (enum uarch_type): Add ucfv1.
347         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
348         
349 2007-09-18  Richard Guenther  <rguenther@suse.de>
350
351         PR tree-optimization/31863
352         * tree-ssa-structalias.c (create_variable_info_for): Always
353         free the fieldstack.
354
355 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
356
357         * opts.c (decode_options): Enable vectorization under -O3.
358
359 2007-09-18  Richard Guenther  <rguenther@suse.de>
360
361         PR tree-optimization/33340
362         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
363         SSA_NAMEs that occur in abnormal PHI nodes.
364
365 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
366
367         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
368         Don't use const_get_call_expr_in.
369         * tree-gimple.c (const_get_call_expr_in): Delete.
370         * tree-gimple.h (const_get_call_expr_in): Likewise.
371
372 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
373
374         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
375         not yet have a basic block.
376         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
377
378 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
379
380         * config/mips/mips.c (mips_file_start): Add ".previous" directives
381         to both ".section"s.
382
383 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
384
385         * config/mips/mips.c (mips_output_mi_thunk): Use
386         mips_function_ok_for_sibcall and const_call_insn_operand
387         to determine if a direct sibcall is allowed.  Use
388         mips_classify_symbol to determine a global pointer is needed.
389
390 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
391
392         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
393
394 2007-09-17  Chao-ying Fu  <fu@mips.com>
395             Nigel Stephens  <nigel@mips.com>
396
397         * config/fixed-bit.h: New file.
398         * config/fixed-bit.c: New file.
399         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
400
401 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
402
403         * c-format.h (format_kind_info): Add alloc_char field.
404         * c-format.c (scanf_flag_specs): Add 'm'.
405         (scanf_flag_pairs): Add 'a', 'm' pair.
406         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
407         (format_types_orig): Add alloc_char fields.
408         (check_format_info_main): Rename aflag to alloc_flag.
409         Handle fki->alloc_char. modifier after width and before length
410         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
411         length modifiers as well.
412         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
413
414         PR middle-end/33423
415         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
416         returned by build_call_expr.
417
418 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
419
420         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
421         NULL for variable-sized records too.
422         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
423
424 2007-09-17  Tom Tromey  <tromey@redhat.com>
425
426         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
427         (c_builtin_function): Likewise.
428         (grokdeclarator): Likewise.
429
430 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
431
432         PR rtl-optimization/26449
433         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
434         (seq_insns_valid_p): Removed.
435
436 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
437
438         * tree-nomudflap.c (gate_mudflap): New static function.
439         (pass_mudflap_1): Use it as gate function.
440         (pass_mudflap_2): Likewise.
441
442 2007-09-17  Jan Hubicka  <jh@suse.cz>
443
444         PR middle-end/33348
445         PR target/33406
446         * loop-invariant.c (move_invariant_reg): Unshare sequence.
447
448 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
449
450         PR tree-optimization/33319
451         * tree-vect-analyze.c (vect_same_range_drs): New.
452         (vect_vfa_range_equal): New.
453         (vect_is_duplicate_ddr): Removed.
454         (vect_mark_for_runtime_alias_test): Do not perform marking when
455         optimizing for size or max_param for alias checking is zero.
456         Move the function before vect_analyze_data_ref_dependence.
457         (vect_analyze_data_ref_dependence): Add call to
458         vect_mark_for_runtime_alias_test in two cases when dependence
459         is not clear.
460         (vect_analyze_data_ref_dependences): Do not call to
461         vect_mark_for_runtime_alias_test.
462         (vect_prune_runtime_alias_test_list): New.
463         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
464         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
465         Update vec_outside_cost.
466         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
467         (vect_create_cond_for_alias_checks): Build the base address of data
468         reference from DR_GROUP_FIRST_DR.
469         (vect_loop_versioning): New.
470         (vect_transform_loop): Add a call to vect_loop_versioning.
471         Remove factored out code.
472
473 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
474
475         PR middle-end/33273
476         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
477         to BLKmode.
478
479 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
480
481         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
482         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
483         Fix the call to insn_rtx_cost.  Skip access sizes that require a
484         real truncation of the store register.  Use convert_move instead
485         of gen_lowpart when narrowing the result.
486         (replace_read): Use convert_move instead of gen_lowpart when
487         narrowing the store rhs.
488
489 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
490
491         * config/mips/mips.md (SHORT): Fix long line.
492         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
493         to QImode and HImode.
494
495 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
496
497         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
498
499 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
500
501         * tree-parloops.c: New file.
502         * tree-ssa-operands.h (free_stmt_operands): Declare.
503         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
504         block.
505         * tree-pass.h (pass_parallelize_loops): Declare.
506         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
507         virtual operands.
508         (build_omp_regions_1): Allow analysing just a single OMP region and
509         its subregions.
510         ( build_omp_regions_root, omp_expand_local): New functions.
511         (build_omp_regions): Add argument to build_omp_regions_1 call.
512         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
513         autoparallelization is run.
514         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
515         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
516         pass_parallelize_loops): New.
517         * common.opt (ftree-parallelize-loops): New.
518         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
519         parallelize_loops): Declare.
520         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
521         * Makefile.in (tree-parloops.o): Added.
522         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
523         New functions.
524         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
525         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
526         one extra edge as well.
527         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
528         Use VEC_free to free doms vector.
529         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
530         operands.  Recompute operand caches in the new function.
531         (move_sese_region_to_fn): Update loop info.
532         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
533         * tree-ssa-operands.c (free_stmt_operands): New function.
534
535         * doc/passes.texi: Document autoparallelization.
536         * doc/invoke.texi (-ftree-parallelize-loops): New option.
537
538 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
539
540         PR target/33062
541         * pa.c (function_value): Use GET_MODE_BITSIZE instead of TYPE_PRECISION.
542
543 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
544
545         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if 
546         the VEC is not NULL.
547         (vectorizable_type_demotion, vectorizable_type_promotion): Check that 
548         get_vectype_for_scalar_type succeeded.
549         (vectorizable_conversion): Likewise.
550
551 2007-09-14  Jan Hubicka  <jh@suse.cz>
552
553         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
554         TARGET_64BIT.
555
556 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
557
558         PR target/33438
559         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary register
560         when operands[2] equals operands[1].
561         (remainderxf3): Ditto.
562
563 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
564             Nigel Stephens  <nigel@mips.com>
565
566         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
567         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
568         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
569         declaration.
570         (_Unwind_ForcedUnwind): Likewise.
571         (_Unwind_Resume): Likewise.
572         (_Unwind_Resume_or_Rethrow): Likewise.
573         (_Unwind_Backtrace): Likewise.
574         (_Unwind_SjLj_RaiseException): Likewise.
575         (_Unwind_SjLj_ForcedUnwind): Likewise.
576         (_Unwind_SjLj_Resume): Likewise.
577         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
578         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
579         to definition.
580         (_Unwind_ForcedUnwind): Likewise.
581         (_Unwind_Resume): Likewise.
582         (_Unwind_Resume_or_Rethrow): Likewise.
583         (_Unwind_Backtrace): Likewise.
584         * unwind-compat.c (_Unwind_Backtrace): Likewise.
585         (_Unwind_ForcedUnwind): Likewise.
586         (_Unwind_RaiseException): Likewise.
587         (_Unwind_Resume): Likewise.
588         (_Unwind_Resume_or_Rethrow): Likewise.
589
590         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
591         nomips16 mode when IN_LIBGCC2 with hard float.
592
593 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
594
595         * config/mips/sdemtk.opt: Update to GPLv3.
596         * config/mips/sdemtk.h: Likewise.
597
598 2007-09-14  Nigel Stephens  <nigel@mips.com>
599
600         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
601         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
602         for mipsisa32-*-linux*.
603
604 2007-09-14  Nigel Stephens  <nigel@mips.com>
605             David Ung  <davidu@mips.com>
606             Thiemo Seufer  <ths@mips.com>
607             Richard Sandiford  <richard@codesourcery.com>
608
609         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
610         * configure.ac: Add a mipssde threading type.
611         * configure: Regenerate.
612         * config/mips/sdemtk.h: New file.
613         * config/mips/t-sdemtk: Likewise.
614         * config/mips/sdemtk.opt: Likewise.
615         * gthr-mipssde.h: Likewise.
616         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
617         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
618         (MIPS_ICACHE_SYNC): New macro, split from ...
619         * config/mips/mips.md (clear_cache): ...here.
620         * config/mips/mips.c (mips_save_reg_p): Check
621         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
622         (build_mips16_function_stub): Use targetm.strip_name_encoding.
623         (build_mips16_call_stub): Likewise.
624
625 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
626
627         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
628
629 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
630
631         PR target/32337
632         * config/ia64/ia64.c (find_gr_spill): Don't decrement
633         current_frame_info.n_local_regs.  Don't return emitted local
634         regs.
635         (ia64_compute_frame_size): Improve unwind hack to put
636         RP, PFS, FP in that order by allowing some of the registers
637         been already emitted, as long as they are emitted to the
638         desired register.
639
640 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
641
642         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
643         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
644         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
645
646 2007-09-13  Eric Christopher  <echristo@apple.com>
647             Kenneth Zadeck <zadeck@naturalbridge.com>
648
649         * dse.c (find_shift_sequence): New function.
650         (replace_read): Add case to remove read if it requires shift.
651         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
652         
653 2007-09-13  Tom Tromey  <tromey@redhat.com>
654
655         * c-common.c (fname_as_string): Update.
656         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
657         (c_lex_one_token): Update.  Add 'parser' argument.
658         (c_parser_simple_asm_expr): Update.
659         (c_parser_attributes): Update.
660         (c_parser_asm_statement): Update.
661         (c_parser_asm_operands): Update.
662         (c_parser_peek_token): Update.
663         (c_parser_peek_2nd_token): Update.
664         * c-lex.c (c_lex_string_translate): Remove.
665         (c_lex_return_raw_strings): Likewise.
666         (c_lex_with_flags): Added 'lex_flags' argument.
667         (lex_string): Added 'translate' argument.
668         * c-pragma.h (c_lex_with_flags): Update.
669         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
670         (C_LEX_STRING_NO_TRANSLATE): New define.
671         (C_LEX_RAW_STRINGS): Likewise.
672
673 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
674
675         From Jie Zhang:
676         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
677         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
678         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
679         (bfin_init_builtins): Initialize __builtin_bfin_ones,
680         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
681         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
682         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
683         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
684         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
685         (bdesc_1arg): Add __builtin_bfin_ones.
686         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
687         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
688         and __builtin_bfin_csqu_fr16.
689         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
690         (ones): New define_insn.
691         (ssaddhi3_parts): New define_insn.
692         (sssubhi3_parts): New define_insn.
693         (flag_mulhi_parts): New define_insn.
694
695 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
696
697         * common.opt (femit-class-debug-always): Turn off by default.
698
699 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
700
701         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
702         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
703
704 2007-09-13  James E. Wilson  <wilson@specifix.com>
705
706         PR tree-optimization/33389
707         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
708         then set build_loads before returning.
709
710 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
711             David Ung  <davidu@mips.com>
712
713         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
714         {d}addiu and a negative immediate such that it works with MIPS16
715         instructions.
716         
717 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
718
719         PR bootstrap/33418
720         * configure.ac (ld_vers): Support Linux linker.
721         * configure: Regenerated.
722
723 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
724             Sandra Loosemore <sandra@codesourcery.com>
725
726         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
727         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
728         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
729         nomips16 into decl attributes.
730         (TARGET_INSERT_ATTRIBUTES): Override.
731         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
732         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
733         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
734         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
735         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
736         (mips_use_mips16_mode_p): Reimplement as a function that takes
737         a decl and considers only decl attributes.  If the decl is nested
738         function, use its parent attributes.
739         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
740         instead of SYMBOL_REF_MIPS16_FUNC_P.
741         (mips_set_mips16_mode): Move call to sorry here from old
742         mips_use_mips16_mode_p.
743         (mflip_mips16_entry): New structure.
744         (mflip_mips16_htab): New variable.
745         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
746         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
747         (mips_merge_decl_attributes): New function.
748         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
749         Use mips_use_mips16_mode_p.
750         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
751         SYMBOL_REF_MIPS16_FUNC_P.
752         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
753
754 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
755
756         * c-parser.c (c_parser_struct_declaration): Check for a null return.
757
758 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
759
760         PR driver/33309
761         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
762
763 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
764             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
765             Tony Linthicum  <tony.linthicum@amd.com>
766
767         * tree.h (function_args_iterator): New type to iterate over
768         function arguments.
769         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
770         function arguments providing a pointer to the argument.
771         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
772         function arguments providing the argument.
773         (function_args_iter_init): Inline function to initialize
774         function_args_iterator.
775         (function_args_iter_cond_ptr): Inline function to return the next
776         pointer to hold the argument.
777         (function_args_iter_cond): Inline function to return the next
778         argument.
779         (function_args_iter_cond_next): Advance the function args
780         iterator.
781         (stdarg_p): New function, return true if variable argument
782         function.
783         (prototype_p): New function, return true if function is
784         prototyped.
785         (function_args_count): New function, count the number of arguments
786         of a function.
787
788         * tree.c (stdarg_p): New function, return true if variable
789         argument function.
790         (prototype_p): New function, return true if function is
791         prototyped.
792
793         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
794         (TARGET_ROUND): New macro for the round/ptest instructions which
795         are shared between SSE4.1 and SSE5.
796         (OPTION_MASK_ISA_ROUND): Ditto.
797         (OPTION_ISA_ROUND): Ditto.
798         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
799         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
800
801         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
802         (-mfused-madd): New switch to give users control over whether the
803         compiler optimizes to use the multiply/add SSE5 instructions.
804
805         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
806         m_ATHLON_K8_AMDFAM10, and change all uses.
807         (enum pta_flags): Add PTA_SSE5.
808         (ix86_handle_option): Turn off 3dnow if -msse5.
809         (override_options): Add SSE5 support.
810         (print_operand): %Y prints comparison codes for SSE5 com/pcom
811         instructions.
812         (ix86_expand_sse_movcc): Add SSE5 support.
813         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
814         vector type to the next largest size.
815         (ix86_expand_sse5_pack): New function to use pperm to pack a
816         vector type to the next smallest size.
817         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
818         (IX86_BUILTIN_FMADDSD): Ditto.
819         (IX86_BUILTIN_FMADDPS): Ditto.
820         (IX86_BUILTIN_FMADDPD): Ditto.
821         (IX86_BUILTIN_FMSUBSS): Ditto.
822         (IX86_BUILTIN_FMSUBSD): Ditto.
823         (IX86_BUILTIN_FMSUBPS): Ditto.
824         (IX86_BUILTIN_FMSUBPD): Ditto.
825         (IX86_BUILTIN_FNMADDSS): Ditto.
826         (IX86_BUILTIN_FNMADDSD): Ditto.
827         (IX86_BUILTIN_FNMADDPS): Ditto.
828         (IX86_BUILTIN_FNMADDPD): Ditto.
829         (IX86_BUILTIN_FNMSUBSS): Ditto.
830         (IX86_BUILTIN_FNMSUBSD): Ditto.
831         (IX86_BUILTIN_FNMSUBPS): Ditto.
832         (IX86_BUILTIN_FNMSUBPD): Ditto.
833         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
834         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
835         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
836         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
837         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
838         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
839         (IX86_BUILTIN_PPERM): Ditto.
840         (IX86_BUILTIN_PERMPS): Ditto.
841         (IX86_BUILTIN_PERMPD): Ditto.
842         (IX86_BUILTIN_PMACSSWW): Ditto.
843         (IX86_BUILTIN_PMACSWW): Ditto.
844         (IX86_BUILTIN_PMACSSWD): Ditto.
845         (IX86_BUILTIN_PMACSWD): Ditto.
846         (IX86_BUILTIN_PMACSSDD): Ditto.
847         (IX86_BUILTIN_PMACSDD): Ditto.
848         (IX86_BUILTIN_PMACSSDQL): Ditto.
849         (IX86_BUILTIN_PMACSSDQH): Ditto.
850         (IX86_BUILTIN_PMACSDQL): Ditto.
851         (IX86_BUILTIN_PMACSDQH): Ditto.
852         (IX86_BUILTIN_PMADCSSWD): Ditto.
853         (IX86_BUILTIN_PMADCSWD): Ditto.
854         (IX86_BUILTIN_PHADDBW): Ditto.
855         (IX86_BUILTIN_PHADDBD): Ditto.
856         (IX86_BUILTIN_PHADDBQ): Ditto.
857         (IX86_BUILTIN_PHADDWD): Ditto.
858         (IX86_BUILTIN_PHADDWQ): Ditto.
859         (IX86_BUILTIN_PHADDDQ): Ditto.
860         (IX86_BUILTIN_PHADDUBW): Ditto.
861         (IX86_BUILTIN_PHADDUBD): Ditto.
862         (IX86_BUILTIN_PHADDUBQ): Ditto.
863         (IX86_BUILTIN_PHADDUWD): Ditto.
864         (IX86_BUILTIN_PHADDUWQ): Ditto.
865         (IX86_BUILTIN_PHADDUDQ): Ditto.
866         (IX86_BUILTIN_PHSUBBW): Ditto.
867         (IX86_BUILTIN_PHSUBWD): Ditto.
868         (IX86_BUILTIN_PHSUBDQ): Ditto.
869         (IX86_BUILTIN_PROTB): Ditto.
870         (IX86_BUILTIN_PROTW): Ditto.
871         (IX86_BUILTIN_PROTD): Ditto.
872         (IX86_BUILTIN_PROTQ): Ditto.
873         (IX86_BUILTIN_PROTB_IMM): Ditto.
874         (IX86_BUILTIN_PROTW_IMM): Ditto.
875         (IX86_BUILTIN_PROTD_IMM): Ditto.
876         (IX86_BUILTIN_PROTQ_IMM): Ditto.
877         (IX86_BUILTIN_PSHLB): Ditto.
878         (IX86_BUILTIN_PSHLW): Ditto.
879         (IX86_BUILTIN_PSHLD): Ditto.
880         (IX86_BUILTIN_PSHLQ): Ditto.
881         (IX86_BUILTIN_PSHAB): Ditto.
882         (IX86_BUILTIN_PSHAW): Ditto.
883         (IX86_BUILTIN_PSHAD): Ditto.
884         (IX86_BUILTIN_PSHAQ): Ditto.
885         (IX86_BUILTIN_FRCZSS): Ditto.
886         (IX86_BUILTIN_FRCZSD): Ditto.
887         (IX86_BUILTIN_FRCZPS): Ditto.
888         (IX86_BUILTIN_FRCZPD): Ditto.
889         (IX86_BUILTIN_CVTPH2PS): Ditto.
890         (IX86_BUILTIN_CVTPS2PH): Ditto.
891         (IX86_BUILTIN_COMEQSS): Ditto.
892         (IX86_BUILTIN_COMNESS): Ditto.
893         (IX86_BUILTIN_COMLTSS): Ditto.
894         (IX86_BUILTIN_COMLESS): Ditto.
895         (IX86_BUILTIN_COMGTSS): Ditto.
896         (IX86_BUILTIN_COMGESS): Ditto.
897         (IX86_BUILTIN_COMUEQSS): Ditto.
898         (IX86_BUILTIN_COMUNESS): Ditto.
899         (IX86_BUILTIN_COMULTSS): Ditto.
900         (IX86_BUILTIN_COMULESS): Ditto.
901         (IX86_BUILTIN_COMUGTSS): Ditto.
902         (IX86_BUILTIN_COMUGESS): Ditto.
903         (IX86_BUILTIN_COMORDSS): Ditto.
904         (IX86_BUILTIN_COMUNORDSS): Ditto.
905         (IX86_BUILTIN_COMFALSESS): Ditto.
906         (IX86_BUILTIN_COMTRUESS): Ditto.
907         (IX86_BUILTIN_COMEQSD): Ditto.
908         (IX86_BUILTIN_COMNESD): Ditto.
909         (IX86_BUILTIN_COMLTSD): Ditto.
910         (IX86_BUILTIN_COMLESD): Ditto.
911         (IX86_BUILTIN_COMGTSD): Ditto.
912         (IX86_BUILTIN_COMGESD): Ditto.
913         (IX86_BUILTIN_COMUEQSD): Ditto.
914         (IX86_BUILTIN_COMUNESD): Ditto.
915         (IX86_BUILTIN_COMULTSD): Ditto.
916         (IX86_BUILTIN_COMULESD): Ditto.
917         (IX86_BUILTIN_COMUGTSD): Ditto.
918         (IX86_BUILTIN_COMUGESD): Ditto.
919         (IX86_BUILTIN_COMORDSD): Ditto.
920         (IX86_BUILTIN_COMUNORDSD): Ditto.
921         (IX86_BUILTIN_COMFALSESD): Ditto.
922         (IX86_BUILTIN_COMTRUESD): Ditto.
923         (IX86_BUILTIN_COMEQPS): Ditto.
924         (IX86_BUILTIN_COMNEPS): Ditto.
925         (IX86_BUILTIN_COMLTPS): Ditto.
926         (IX86_BUILTIN_COMLEPS): Ditto.
927         (IX86_BUILTIN_COMGTPS): Ditto.
928         (IX86_BUILTIN_COMGEPS): Ditto.
929         (IX86_BUILTIN_COMUEQPS): Ditto.
930         (IX86_BUILTIN_COMUNEPS): Ditto.
931         (IX86_BUILTIN_COMULTPS): Ditto.
932         (IX86_BUILTIN_COMULEPS): Ditto.
933         (IX86_BUILTIN_COMUGTPS): Ditto.
934         (IX86_BUILTIN_COMUGEPS): Ditto.
935         (IX86_BUILTIN_COMORDPS): Ditto.
936         (IX86_BUILTIN_COMUNORDPS): Ditto.
937         (IX86_BUILTIN_COMFALSEPS): Ditto.
938         (IX86_BUILTIN_COMTRUEPS): Ditto.
939         (IX86_BUILTIN_COMEQPD): Ditto.
940         (IX86_BUILTIN_COMNEPD): Ditto.
941         (IX86_BUILTIN_COMLTPD): Ditto.
942         (IX86_BUILTIN_COMLEPD): Ditto.
943         (IX86_BUILTIN_COMGTPD): Ditto.
944         (IX86_BUILTIN_COMGEPD): Ditto.
945         (IX86_BUILTIN_COMUEQPD): Ditto.
946         (IX86_BUILTIN_COMUNEPD): Ditto.
947         (IX86_BUILTIN_COMULTPD): Ditto.
948         (IX86_BUILTIN_COMULEPD): Ditto.
949         (IX86_BUILTIN_COMUGTPD): Ditto.
950         (IX86_BUILTIN_COMUGEPD): Ditto.
951         (IX86_BUILTIN_COMORDPD): Ditto.
952         (IX86_BUILTIN_COMUNORDPD): Ditto.
953         (IX86_BUILTIN_COMFALSEPD): Ditto.
954         (IX86_BUILTIN_COMTRUEPD): Ditto.
955         (IX86_BUILTIN_PCOMEQUB): Ditto.
956         (IX86_BUILTIN_PCOMNEUB): Ditto.
957         (IX86_BUILTIN_PCOMLTUB): Ditto.
958         (IX86_BUILTIN_PCOMLEUB): Ditto.
959         (IX86_BUILTIN_PCOMGTUB): Ditto.
960         (IX86_BUILTIN_PCOMGEUB): Ditto.
961         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
962         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
963         (IX86_BUILTIN_PCOMEQUW): Ditto.
964         (IX86_BUILTIN_PCOMNEUW): Ditto.
965         (IX86_BUILTIN_PCOMLTUW): Ditto.
966         (IX86_BUILTIN_PCOMLEUW): Ditto.
967         (IX86_BUILTIN_PCOMGTUW): Ditto.
968         (IX86_BUILTIN_PCOMGEUW): Ditto.
969         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
970         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
971         (IX86_BUILTIN_PCOMEQUD): Ditto.
972         (IX86_BUILTIN_PCOMNEUD): Ditto.
973         (IX86_BUILTIN_PCOMLTUD): Ditto.
974         (IX86_BUILTIN_PCOMLEUD): Ditto.
975         (IX86_BUILTIN_PCOMGTUD): Ditto.
976         (IX86_BUILTIN_PCOMGEUD): Ditto.
977         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
978         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
979         (IX86_BUILTIN_PCOMEQUQ): Ditto.
980         (IX86_BUILTIN_PCOMNEUQ): Ditto.
981         (IX86_BUILTIN_PCOMLTUQ): Ditto.
982         (IX86_BUILTIN_PCOMLEUQ): Ditto.
983         (IX86_BUILTIN_PCOMGTUQ): Ditto.
984         (IX86_BUILTIN_PCOMGEUQ): Ditto.
985         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
986         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
987         (IX86_BUILTIN_PCOMEQB): Ditto.
988         (IX86_BUILTIN_PCOMNEB): Ditto.
989         (IX86_BUILTIN_PCOMLTB): Ditto.
990         (IX86_BUILTIN_PCOMLEB): Ditto.
991         (IX86_BUILTIN_PCOMGTB): Ditto.
992         (IX86_BUILTIN_PCOMGEB): Ditto.
993         (IX86_BUILTIN_PCOMFALSEB): Ditto.
994         (IX86_BUILTIN_PCOMTRUEB): Ditto.
995         (IX86_BUILTIN_PCOMEQW): Ditto.
996         (IX86_BUILTIN_PCOMNEW): Ditto.
997         (IX86_BUILTIN_PCOMLTW): Ditto.
998         (IX86_BUILTIN_PCOMLEW): Ditto.
999         (IX86_BUILTIN_PCOMGTW): Ditto.
1000         (IX86_BUILTIN_PCOMGEW): Ditto.
1001         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1002         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1003         (IX86_BUILTIN_PCOMEQD): Ditto.
1004         (IX86_BUILTIN_PCOMNED): Ditto.
1005         (IX86_BUILTIN_PCOMLTD): Ditto.
1006         (IX86_BUILTIN_PCOMLED): Ditto.
1007         (IX86_BUILTIN_PCOMGTD): Ditto.
1008         (IX86_BUILTIN_PCOMGED): Ditto.
1009         (IX86_BUILTIN_PCOMFALSED): Ditto.
1010         (IX86_BUILTIN_PCOMTRUED): Ditto.
1011         (IX86_BUILTIN_PCOMEQQ): Ditto.
1012         (IX86_BUILTIN_PCOMNEQ): Ditto.
1013         (IX86_BUILTIN_PCOMLTQ): Ditto.
1014         (IX86_BUILTIN_PCOMLEQ): Ditto.
1015         (IX86_BUILTIN_PCOMGTQ): Ditto.
1016         (IX86_BUILTIN_PCOMGEQ): Ditto.
1017         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1018         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1019         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1020         OPTION_MASK_ISA_ROUND for instructions that are shared between
1021         SSE4.1 and SSE5.
1022         (bdesc_2arg): Ditto.
1023         (bdesc_sse_3arg): Ditto.
1024         (enum multi_arg_type): New enum for describing the various SSE5
1025         intrinsic argument types.
1026         (bdesc_multi_arg): New table for SSE5 intrinsics.
1027         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1028         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1029         intrinsics.
1030         (ix86_expand_builtin): Add SSE5 intrinsic support.
1031         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1032         operand instructions.
1033         (ix86_expand_sse5_multiple_memory): New function to split the
1034         second memory reference from SSE5 instructions.
1035         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1036         (ix86_return_pops_args): Use stdarg_p to determine if the function
1037         has variable arguments.
1038         (ix86_setup_incoming_varargs): Ditto.
1039         (x86_this_parameter): Ditto.
1040
1041         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1042         declaration.
1043         (ix86_expand_sse5_pack): Ditto.
1044         (ix86_sse5_valid_op_p): Ditto.
1045         (ix86_expand_sse5_multiple_memory): Ditto.
1046
1047         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1048         constant for SSE5 support.
1049         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1050         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1051         (UNSPEC_SSE5_PERMUTE): Ditto.
1052         (UNSPEC_SSE5_ASHIFT): Ditto.
1053         (UNSPEC_SSE5_LSHIFT): Ditto.
1054         (UNSPEC_FRCZ): Ditto.
1055         (UNSPEC_CVTPH2PS): Ditto.
1056         (UNSPEC_CVTPS2PH): Ditto.
1057         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1058         (PCOM_TRUE): Ditto.
1059         (COM_FALSE_S): Ditto.
1060         (COM_FALSE_P): Ditto.
1061         (COM_TRUE_S): Ditto.
1062         (COM_TRUE_P): Ditto.
1063         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1064         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1065         types.
1066         (memory attribute): Ditto.
1067         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1068         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1069         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1070         (floor<mode>2): Ditto.
1071         (ceil<mode>2): Ditto.
1072         (btrunc<mode>2): Ditto.
1073         (nearbyintdf2): Ditto.
1074         (nearbyintsf2): Ditto.
1075         (sse_setccsf): Disable if SSE5.
1076         (sse_setccdf): Ditto.
1077         (sse5_setcc<mode>): New support for SSE5 conditional move.
1078         (sse5_pcmov_<mode>): Ditto.
1079
1080         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1081         (SSEMODEF4): Ditto.
1082         (SSEMODEF2P): Ditto.
1083         (ssemodesuffixf4): New mode attribute for SSE5.
1084         (ssemodesuffixf2s): Ditto.
1085         (ssemodesuffixf2c): Ditto.
1086         (sserotatemax): Ditto.
1087         (ssescalarmode): Ditto.
1088         (sse_maskcmpv4sf3): Disable if SSE5.
1089         (sse_maskcmpv2df3): Ditto.
1090         (sse_vmmaskcmpv4sf3): Ditto.
1091         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1092         instructions.
1093         (sse5_vmfmadd<mode>4): Ditto.
1094         (sse5_fmsub<mode>4): Ditto.
1095         (sse5_vmfmsub<mode>4): Ditto.
1096         (sse5_fnmadd<mode>4): Ditto.
1097         (sse5_vmfnmadd<mode>4): Ditto.
1098         (sse5_fnmsub<mode>4): Ditto.
1099         (sse5_vmfnmsub<mode>4): Ditto.
1100         (sse5i_fmadd<mode>4): Ditto.
1101         (sse5i_fmsub<mode>4): Ditto.
1102         (sse5i_fnmadd<mode>4): Ditto.
1103         (sse5i_fnmsub<mode>4): Ditto.
1104         (sse5i_vmfmadd<mode>4): Ditto.
1105         (sse5i_vmfmsub<mode>4): Ditto.
1106         (sse5i_vmfnmadd<mode>4): Ditto.
1107         (sse5i_vmfnmsub<mode>4): Ditto.
1108         (mulv16qi3): Add SSE5 support.
1109         (mulv4si3): Ditto.
1110         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1111         (sse2_mulv4si3): Disable if SSE5.
1112         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1113         (sse4_1_roundps): Ditto.
1114         (sse4_1_roundsd): Ditto.
1115         (sse4_1_roundss): Ditto.
1116         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1117         be generated.
1118         (sse_maskcmpsf3): Ditto.
1119         (sse_vmmaskcmpv4sf3): Ditto.
1120         (sse2_maskcmpv2df3): Ditto.
1121         (sse2_maskcmpdf3): Ditto.
1122         (sse2_vmmaskcmpv2df3): Ditto.
1123         (sse2_eq<mode>3): Ditto.
1124         (sse2_gt<mode>3): Ditto.
1125         (sse5_pcmov_<mode>): Add SSE5 support.
1126         (vec_unpacku_hi_v16qi): Ditto.
1127         (vec_unpacks_hi_v16qi): Ditto.
1128         (vec_unpacku_lo_v16qi): Ditto.
1129         (vec_unpacks_lo_v16qi): Ditto.
1130         (vec_unpacku_hi_v8hi): Ditto.
1131         (vec_unpacks_hi_v8hi): Ditto.
1132         (vec_unpacku_lo_v8hi): Ditto.
1133         (vec_unpacks_lo_v8hi): Ditto.
1134         (vec_unpacku_hi_v4si): Ditto.
1135         (vec_unpacks_hi_v4si): Ditto.
1136         (vec_unpacku_lo_v4si): Ditto.
1137         (vec_unpacks_lo_v4si): Ditto.
1138         (sse5_pmacsww): New SSE5 intrinsic insn.
1139         (sse5_pmacssww): Ditto.
1140         (sse5_pmacsdd): Ditto.
1141         (sse5_pmacssdd): Ditto.
1142         (sse5_pmacssdql): Ditto.
1143         (sse5_pmacssdqh): Ditto.
1144         (sse5_pmacsdqh): Ditto.
1145         (sse5_pmacsswd): Ditto.
1146         (sse5_pmacswd): Ditto.
1147         (sse5_pmadcsswd): Ditto.
1148         (sse5_pmadcswd): Ditto.
1149         (sse5_pcmov_<move>): Conditional move support on SSE5.
1150         (sse5_phaddbw): New SSE5 intrinsic insn.
1151         (sse5_phaddbd): Ditto.
1152         (sse5_phaddbq): Ditto.
1153         (sse5_phaddwd): Ditto.
1154         (sse5_phaddwq): Ditto.
1155         (sse5_phadddq): Ditto.
1156         (sse5_phaddubw): Ditto.
1157         (sse5_phaddubd): Ditto.
1158         (sse5_phaddubq): Ditto.
1159         (sse5_phadduwd): Ditto.
1160         (sse5_phadduwq): Ditto.
1161         (sse5_phaddudq): Ditto.
1162         (sse5_phsubbw): Ditto.
1163         (sse5_phsubwd): Ditto.
1164         (sse5_phsubdq): Ditto.
1165         (sse5_pperm): Ditto.
1166         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1167         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1168         (sse5_pperm_sign_v8hi_v4si): Ditto.
1169         (sse5_pperm_zero_v8hi_v4si): Ditto.
1170         (sse5_pperm_sign_v4si_v2di): Ditto.
1171         (sse5_pperm_sign_v4si_v2di): Ditto.
1172         (sse5_pperm_pack_v2di_v4si): Ditto.
1173         (sse5_pperm_pack_v4si_v8hi): Ditto.
1174         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1175         (sse5_perm<mode>): New SSE5 intrinsic insn.
1176         (rotl<mode>3): Ditto.
1177         (sse5_rotl<mode>3): Ditto.
1178         (sse5_ashl<mode>3): Ditto.
1179         (sse5_lshl<mode>3): Ditto.
1180         (sse5_frcz<mode>2): Ditto.
1181         (sse5s_frcz<mode>2): Ditto.
1182         (sse5_cvtph2ps): Ditto.
1183         (sse5_cvtps2ph): Ditto.
1184         (sse5_vmmaskcmp<mode>3): Ditto.
1185         (sse5_com_tf<mode>3): Ditto.
1186         (sse5_maskcmp<mode>3): Ditto.
1187         (sse5_maskcmp_uns<mode>3): Ditto.
1188         (sse5_maskcmp_uns2<mode>3): Ditto.
1189         (sse5_pcom_tf<mode>3): Ditto.
1190         
1191         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1192         to match 0..31.
1193         (sse5_comparison_float_operator): New predicate to match the
1194         comparison operators supported by the SSE5 com instruction.
1195         (ix86_comparison_int_operator): New predicate to match just the
1196         signed int comparisons.
1197         (ix86_comparison_uns_operator): New predicate to match just the
1198         unsigned int comparisons.
1199
1200         * doc/invoke.texi (-msse5): Add documentation.
1201         (-mfused-madd): Ditto.
1202
1203         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1204
1205         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1206         mmintrin-common.h.
1207         (x86_64-*-*): Ditto.
1208
1209         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1210
1211         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1212         intrinisics for SSE5.
1213
1214         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1215         mmintrin-common.h.
1216
1217         * config/i386/mmintrin-common.h: New file, to contain common
1218         instructions between SSE4.1 and SSE5.
1219
1220         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1221         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1222         (gen_regparm_prefix): Ditto.
1223
1224         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1225         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1226         prototype_p to determine if a function is prototyped.
1227
1228 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1229
1230         * config/dfp-bit.c (dfp_conversion_exception): New function.
1231         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1232         (DFP_TO_INT): Ditto.
1233         (INT_TO_DFP): Ditto.
1234         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1235
1236 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1237
1238         PR target/32338
1239         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1240         before sp restoration even when total_size is 0, but
1241         frame_pointer_needed.
1242
1243 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1244
1245         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1246         (xtensa_copy_incoming_a7): Use start_sequence instead of
1247         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1248         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1249         of the saveregs sequence.
1250
1251 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1252
1253         * c-tree.h (grokfield): Add a "tree *" argument.
1254         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1255         Chain nested decl attributes to it.  Don't call decl_attributes here.
1256         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1257         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1258         (grokfield): Take a pointer to the decl's attributes and pass
1259         it to grokdeclarator.
1260         * c-parser.c (c_parser_struct_declaration): Update the calls to
1261         grokfield.  Call decl_attributes for anonymous struct and union
1262         fields.
1263
1264 2007-09-12  Jan Hubicka  <jh@suse.cz>
1265
1266         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1267
1268 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1269
1270         PR tree-optimization/32377
1271         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1272         between positive and negative dependence distance using DDR_REVERSED_P.
1273
1274 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1275
1276         PR tree-optimization/33373
1277         * tree-vect-analyze (vect_determine_vectorization_factor): Call 
1278         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT. 
1279
1280 2007-09-12  Jan Hubicka  <jh@suse.cz>
1281
1282         PR target/33393
1283         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable for
1284         !SSE_MATH
1285
1286 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1287
1288         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1289         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed. 
1290         
1291 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1292
1293         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1294         for oprnd1 if not required.
1295         (vectorizable_operation): Use scalar operand in SLP in case of 
1296         shift with scalar argument.
1297
1298 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1299
1300         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum 
1301         to 1.
1302
1303 2007-09-11  James E. Wilson  <wilson@specifix.com>
1304
1305         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1306         TARGET_UNWIND_INFO is defined.
1307         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1308         after definition.
1309
1310 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1311
1312         * config/sh/sh.c (calc_live_regs): Use
1313         current_function_saves_all_registers instead of
1314         current_function_has_nonlocal_label.
1315         (sh_allocate_initial_value): Likewise.
1316         (sh_get_pr_initial_val): Likewise.
1317         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1318         * config/sh/sh.md (load_ra): Likewise.
1319
1320 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1321
1322         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1323
1324         PR target/33360
1325         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1326         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1327
1328 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1329
1330         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1331         operands to DFmode GE or LE compares.
1332
1333 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1334
1335         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1336         REG_CLASS_NAMES): Add P0REGS.
1337         (REGNO_REG_CLASS): Return it where appropriate.
1338         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1339         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1340         * doc/md.texi (Blackfin family): Document 'q' constraints.
1341
1342 2007-09-11  Steve Kenton  <skenton@ou.edu>
1343
1344         * pa/linux-unwind.h: Guard with inhibit_libc.
1345         * pa/hpux-unwind.h: Likewise.
1346
1347 2007-09-11  David Daney  <ddaney@avtrex.com>
1348
1349         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1350         * doc/install.texi: Document new --with-llsc and --without-llsc
1351         options.
1352         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1353         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1354         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1355         ISA_HAS_SYNC.
1356         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1357         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1358         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1359         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1360         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1361         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1362         * config/mips/mips.opt (mllsc): New option.
1363         * config/mips/mips.c (mips_llsc): Define variable.
1364         (mips_handle_option): Handle mllsc option.
1365         (override_options): Set mips_print_operand_punct for '|' and '-'.
1366         (print_operand): Add new %| and %- operand codes.
1367         * config/mips/mips.h (mips_llsc_setting): New enum type.
1368         (mips_llsc): Declare.
1369         (OPTION_DEFAULT_SPECS): Add llsc handling.
1370         (GENERATE_SYNC): New macro.
1371         (GENERATE_LL_SC): New macro.
1372         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1373         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1374         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1375         in %| and %- operand codes.
1376
1377 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1378
1379         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1380         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1381
1382 2007-09-11  Jason Merrill  <jason@redhat.com>
1383
1384         PR middle-end/27945
1385         * stor-layout.c (layout_decl): Do pack variable size fields.    
1386
1387 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1388
1389         * config/m68k/predicates.md (movsi_const0_operand,
1390         non_symbolic_call_operand): New predicates.
1391
1392         * config/m68k/constraints.md: (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1393         New constraints.
1394         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1395         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1396         CW, CZ, CS, Ap and Ac.
1397
1398         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1399         (constraints.md): New include.
1400         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1401         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1402         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1403         Specify attributes.
1404         (pushdi): Add split.
1405         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1406         attributes.  Split tstsi_internal_68020_cf from it.
1407         (tstsi_internal_68020_cf): New pattern.
1408         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1409         (tst<mode>_cf): Specify attributea.
1410         (cmpsi_cf): Name pattern.  Specify attributes.
1411         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1412         (pushexthisi_const): Fix to use alternatives.  Specify
1413         attributes.
1414         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1415         from it.  Fix to use alternatives.  Specify attributes.
1416         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1417         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1418         attributes.
1419         (movsf_cf_soft): Specify attributes.
1420         (movdf_cf_soft): Add split.
1421         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1422         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1423         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1424         (truncdfsf2_68881): Name pattern.  Specify attributes.
1425         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1426         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1427         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1428         Specify attributes.
1429         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1430         Add splits.
1431         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1432         (subsi3): Add alternative for subq.l.  Specify attributes.
1433         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1434         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1435         attributes.
1436         (umulhisi3): Specify attributes.
1437         (mulhisisi3_z): Name pattern.  Specify attributes.
1438         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1439         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1440         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1441         bsetmemqi): Specify attributes.
1442         (bsetmemqi_ext): Name pattern.  Specify attributes.
1443         (bclrmemqi): Specify attributes.
1444         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1445         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1446         attributes.
1447         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1448         pattern.  Specify attributes.
1449         (jump): Specify attributes.
1450         (tablejump_internal): Name pattern.  Specify attributes.
1451         (call_value): Split into non_symbolic_call_value,
1452         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1453         alternatives.  Specify attributes.
1454         (non_symbolic_call_value, symbolic_call_value_jsr,
1455         symbolic_call_value_bsr): New patterns.
1456         (nop, return, unlink, indirect_jump): Specify attributes.
1457         (trap): Fix condition.  Specify attributes.
1458         (ib): New pattern.
1459
1460         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1461         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1462         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1463         (const_method): Make global, rename to m68k_const_method.
1464         (const_int_cost, output_move_const_into_data_reg): Update.
1465         (output_move_double): Parametrize to emit rtl code, rename to
1466         handle_move_double.
1467         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1468         emit_movsi): New static functions.
1469         (output_move_double): New function with semantics of old
1470         output_move_double.
1471         (m68k_emit_move_double): New function.
1472         (m68k_sched_cpu): New variable.
1473         (attr_op_type): New enum.
1474         (sched_guess_p): New variable.
1475         (sched_address_type, sched_operand_type, sched_attr_op_type):
1476         New static functions.
1477         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1478         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1479         (sched_branch_type): New static variable.
1480         (m68k_sched_branch_type): New function.
1481         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1482         (m68k_symbolic_call_var): Declare.
1483         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1484         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1485         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1486         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1487         Declare.
1488
1489 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1490
1491         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1492         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1493         error if __builtin_va_arg_pack_len () wasn't optimized out during
1494         inlining.
1495         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1496         with the number of inline's anonymous arguments.
1497         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1498
1499 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1500
1501         * fold-const.c (extract_muldiv_1): Do not simplify
1502         var * c * c to var.
1503
1504 2007-09-11  Jan Hubicka <jh@suse.cz>
1505
1506         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1507         (TARGET_INTER_UNIT_CONVERSIONS): New.
1508         * i386.md (floatsi expanders): Remove redundant check for SImode
1509         source; offload to memory when asked for.
1510         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1511         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1512         Update conditions;
1513         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1514         floatsidf2_mixed_memory, floatsidf2_sse_memory
1515         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1516         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1517
1518 2007-09-11  Jan Hubicka <jh@suse.cz>
1519
1520         * toplev.c (process_options): all frontends now do unit-at-a-time.
1521         * cgraphunit.c: update comments.
1522         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1523         * c-decl.c (finish_function): use cgraph_add_new_function.
1524         * function.c (expand_function_end): We are always unit-at-a-time.
1525
1526 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1527
1528         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1529         settings for MIPS16.
1530         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1531
1532 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1533
1534         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1535         SYMBOL_FORCE_TO_MEM constants.
1536         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1537         (mips16_rewrite_pool_refs_info): New structure.
1538         (mips16_rewrite_pool_constant): New function, split out from...
1539         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1540         mips16_rewrite_pool_refs_info structure rather than a pointer
1541         to a constant pool.  Force force_to_mem_operands into memory.
1542         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1543         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1544         * config/mips/constraints.md (kf): New constraint.
1545         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1546         (*movsi_mips16): Likewise.
1547
1548 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1549             Nigel Stephens  <nigel@mips.com>
1550             David Ung  <davidu@mips.com>
1551
1552         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1553         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1554         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1555         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1556         (mips_zero_extend_cost): New functions.
1557         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1558         Use the new functions.  Tweak many cost estimates, both here
1559         and in the new subroutines.  Return false when the cost of the
1560         operands has not been calculated.  Check for *clear_upper32.
1561         Check for floating-point multiply-add, reciprocal and rsqrt
1562         patterns.  Handle comparison and rotation codes.
1563
1564 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1565
1566         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1567         override default.
1568         * config/i386/i386.c (get_dllimport_decl): Don't strip
1569         FASTCALL_PREFIX.
1570
1571 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1572
1573         PR c/30013
1574         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1575         declarations to top.
1576         (DFP_TO_BFP): Use for either XFmode or TFmode.
1577         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1578         of BFP_VIA_TYPE.
1579         * config/dfp-bit.h: Include float.h.
1580         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1581         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1582         which doesn't mean the same thing.
1583         (BFP_KIND): Use 4 to mean TFmode.
1584         (BFP_FMT): Specify the number of decimal digits based on the
1585         number of mantissa digits.
1586         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1587         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1588         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1589         (TFtype): Define if TFmode is supported.
1590         * doc/libgcc.texi (Decimal float library routines): Document
1591         TF conversion functions.
1592
1593 2007-09-10  Chao-ying Fu  <fu@mips.com>
1594
1595         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1596         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1597         (mips_emit_compare): Process fixed-point modes.
1598         (mips_pad_arg_upward): Support fixed-point types.
1599         (override_options): Allow fixed-point modes in accumulators.
1600         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1601         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1602         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1603         (mips_scalar_mode_supported_p): New function to accept fixed-point
1604         modes if the width is not greater than two BITS_PER_WORD.
1605         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1606         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1607         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1608         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1609         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1610         modes.
1611         ("IMODE"): New mode attribute.
1612         (mips-fixed.md): Include.
1613         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1614         ACCUM, UACCUM.
1615         * config/mips/mips-fixed.md: New file.
1616
1617 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1618
1619         * config/spu/spu.md: Formatting fixes.
1620
1621 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1622
1623         * config/dfp-bit.c (dfp_unary_func): Delete.
1624         (dfp_unary_op): Delete.
1625         (dfp_binary_op): Use decFloat functions instead of decNumber
1626         functions for binary operations.
1627         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1628         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1629         DFP_C_TYPE.
1630         (dfp_compare_op): Use decFloat functions insteadof decNumber
1631         functions for comparisons.
1632         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1633         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1634         DFP_C_TYPE.
1635         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1636         call to dxx_binary_op and decFloat function.
1637         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1638         calls to dxx_binary_op and decFloat function.
1639         * config/dfp-bit.h: Include decFloat header files.
1640         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1641         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1642         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1643         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1644
1645 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1646             Jan Sjodin <jan.sjodin@amd.com>
1647         
1648         * tree-vect-analyze.c (vect_analyze_operations): Change
1649         comparison of loop iterations with threshold to less than
1650         or equal to instead of less than. Reduce
1651         min_scalar_loop_bound by one.
1652         * tree-vect-transform.c (vect_estimate_min_profitable_iters): 
1653         Change prologue and epilogue iterations estimate to vf/2,
1654         when unknown at compile-time. Change versioning guard
1655         cost to taken_branch_cost. If peeling for alignment is
1656         unknown at compile-time, change peel guard costs to one
1657         taken branch and one not-taken branch per peeled loop.
1658         If peeling for alignment is known but number of scalar loop
1659         iterations is unknown at compile-time, change peel guard
1660         costs to one taken branch per peeled loop. Change the cost
1661         model equation to consider vector iterations as the loop
1662         iterations less the prologue and epilogue iterations.
1663         Change outside vector cost check to less than or equal to
1664         zero instead of equal to zero.
1665         (vect_do_peeling_for_loop_bound): Reduce
1666         min_scalar_loop_bound by one.
1667         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1668         TARG_COND_NOT_TAKEN_BRANCH_COST.        
1669         * config/i386/i386.h (processor_costs): Add
1670         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1671         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1672         vec_align_load_cost, vect_unalign_load_cost,
1673         vec_store_cost, cond_taken_branch_cost,
1674         cond_not_taken_branch_cost.
1675         Define macros for x86 costs.
1676         * config/i386/i386.c:
1677         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1678         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1679         scalar_to_vec_cost, vec_align_load_cost, 
1680         vect_unalign_load_cost, vec_store_cost,
1681         cond_taken_branch_cost, cond_not_taken_branch_cost to one. 
1682         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
1683         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost, 
1684         core2_cost, generic64_cost, generic32_cost): Set to default
1685         untuned costs.
1686         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
1687         (x86_builtin_vectorization_cost): New.
1688
1689 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1690             Ben Elliston  <bje@au.ibm.com>
1691
1692         * dfp.c: Include decimal128Local.h; 
1693         (dfp_byte_swap): Remove.
1694         (encode_decimal32, decode_decimal32): Don't handle endianness.
1695         (encode_decimal64, decode_decimal64): Ditto.
1696         (encode_decimal128, decode_decimal128): Ditto.
1697         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
1698         (__swap64): Remove.
1699         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
1700          (__swap128): Remove
1701         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
1702         * Makefile.in (DECNUM_H): Add decimal128Local.h.
1703
1704 2007-09-10  David Daney  <ddaney@avtrex.com>
1705
1706         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
1707         define_constants.
1708         (memory_barrier): Rewrote as an insn that clobbers memory.
1709
1710 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1711
1712         * config/mips/mips.c (mips_global_pointer): Check
1713         call_really_used_regs instead of call_used_regs.
1714         (mips_save_reg_p): Likewise.  Save all call-saved registers
1715         if current_function_saves_all_registers.  Fix indentation.
1716         No longer treat $18 as a special case.
1717         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
1718
1719 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
1720
1721         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
1722         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
1723         the introductory comment.
1724         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1725         (override_options): Don't test for it.
1726         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
1727         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
1728         * config/mips/vr.h: As for config/mips/sde.h.
1729
1730 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1731             Revital Eres  <eres@il.ibm.com>
1732
1733         * target.h (struct gcc_target.sched): New field: sms_res_mii.
1734         (struct ddg): Define.
1735         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
1736         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
1737         * config/spu/spu.c: Include ddg.h.
1738         (TARGET_SCHED_SMS_RES_MII): Define.
1739         (spu_sms_res_mii): New function to calculate mii.
1740         * modulo-sched (res_MII): Use it.
1741         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
1742
1743 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1744
1745         * config/s390/s390.c (s390_dump_pool): Create copy of constant
1746         pool entries since they might hold values that must not be shared.
1747
1748 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
1749
1750         PR target/33369
1751         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
1752         Use 'N' operand constraint for op2.
1753         (lshr<mode>3): Ditto.
1754         (ashl<mode>3): Ditto.
1755         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
1756         (vec_shr_<mode>): Ditto.
1757         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
1758         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
1759
1760 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1761
1762         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
1763         Change mode macro in the last real_2expN parameter to uppercase.
1764
1765 2007-09-10  Michael Matz  <matz@suse.de>
1766
1767         * tree-pass.h (pass_cselim): Declare new pass.
1768         * passes.c (init_optimization_passes): Link in pass_cselim.
1769         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
1770         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
1771         cond_store_replacement.
1772         (condstoretemp): New static variable.
1773         (cond_store_replacement): New function.
1774         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
1775         tree_ssa_phiopt_worker.
1776         (struct name_to_bb): New.
1777         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
1778         nt_init_block, nt_fini_block): New static functions.
1779         (seen_ssa_names, nontrap_set): New static variables.
1780         (gate_cselim, pass_cselim): Define new pass.
1781         * common.opt (ftree-cselim): New flag.
1782         * toplev.c (process_options): Set flag_tree_cselim if required.
1783
1784 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
1785
1786         * simplify-rtx.c (simplify_relational_operation_1): For recent
1787         canonicalization, don't recurse if op1 equals both PLUS arguments.
1788
1789 2007-09-09  David Daney  <ddaney@avtrex.com>
1790
1791         * optabs.c (expand_sync_operation):  Use plus insn if minus
1792         CONST_INT_P(val).
1793         (expand_sync_fetch_operation):  Ditto.
1794
1795 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1796
1797         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
1798         of cvtpq2ps.
1799         (*floatsisf2_sse_vector): Likewise.
1800
1801 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
1802
1803         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
1804
1805 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
1806
1807         * config/i386/i386.h (ix86_tune_indices): Rename
1808         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
1809         (TARGET_USE_VECTOR_CONVERTS): Updated.
1810         * config/i386/i386.c: Likewise.
1811
1812 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
1813             Nigel Stephens <nigel@mips.com>
1814
1815         * doc/invoke.texi (Overall Options):  Add .sx file extension
1816         as a synonym for .S.
1817         * cppspec.c (known_suffixes): Likewise.
1818         * gcc.c (default_compilers): Likewise.
1819
1820 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
1821
1822         PR target/30315
1823         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
1824         * simplify-rtx.c (simplify_relational_operation_1): Add the
1825         canonicalization from i386.h.
1826         * doc/md.texi (Canonicalization of Instructions): Document it.
1827
1828 2007-09-09  Jan Hubicka  <jh@suse.cz>
1829             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1830
1831         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
1832         (TARGET_USE_VECTOR_CONVERTS): New.
1833         * i386.md: New post-reload splitters for converting SF to DF and DF to
1834         SF.
1835         (floatsi* expander): Special case vector conversions.
1836         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
1837         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
1838         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
1839         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1840         Disable when doing vector converts.
1841         (floatsi<mode>2_i387): Disable when
1842         * sse.md (vec_dupv2df): Export.
1843         * i386.c (ix86_tune_features): Enable SSE conversions.
1844
1845 2007-09-09  Richard Guenther  <rguenther@suse.de>
1846
1847         * tree-ssa-operands.c (add_virtual_operand): Only mark
1848         stores as has_volatile_ops if alias information is not available.
1849
1850 2007-09-09  Revital Eres  <eres@il.ibm.com>
1851
1852         * doc/contrib.texi: Add myself.
1853
1854 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1855
1856         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
1857         stmt_vinfo_set_outside_of_loop_cost): New functions.
1858         * tree-vect-transform.c (vect_get_cost_fields): Remove.
1859         (vect_model_simple_cost): Call
1860         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
1861         field instead of calling vect_get_cost_fields.
1862         (vect_model_store_cost, vect_model_load_cost): Likewise.
1863
1864 2007-09-09  Revital Eres  <eres@il.ibm.com>
1865
1866         * config/rs6000/rs6000.c (paired_init_builtins): Add const
1867         declaration to bdesc_paired_preds variable.
1868         (paired_expand_builtin): Likewise.
1869
1870 2007-09-09  Revital Eres  <eres@il.ibm.com>
1871
1872         * dbgcnt.def (sms_sched_loop): New counter.
1873         * modulo-sched.c: Use sms_sched_loop instead of
1874         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
1875         perform swing modulo scheduling on.  Include dbgcnt.h.
1876         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
1877         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
1878
1879 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
1880
1881         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
1882         Substitute all uses with ...
1883         (MODEF): New mode iterator.
1884
1885         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
1886         from pre-regalloc define_insn_and_split splitter pattern.
1887         (*fix_trunc<mode>_i387_1): Ditto.
1888         (*fistdi2_1): Ditto.
1889         (*fist<mode>2_1): Ditto.
1890         (frndintxf2_floor): Ditto.
1891         (*fist<mode>2_floor_1): Ditto.
1892         (frndintxf2_ceil): Ditto.
1893         (*fist<mode>2_ceil_1): Ditto.
1894         (frndintxf2_trunc): Ditto.
1895         (frndintxf2_mask_pm): Ditto.
1896
1897         (prologue): Use (const_int 0) as never generated filler insn.
1898         (epilogue): Ditto.
1899         (sibcall_epilogue): Ditto.
1900         (eh_return_si): Ditto.
1901         (eh_return_di): Ditto.
1902
1903         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
1904         using MODEF mode iterator.
1905         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
1906         using MODEF mode iterator.
1907         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
1908         using MODEF mode iterator.
1909         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
1910         Macroize expander using MODEF mode iterator.
1911
1912         (zero_extendsidi2): Remove operand constraints from expander.
1913         (smuldi3_highpart): Ditto.
1914         (indirect_jump): Ditto.
1915         (tablejump): Ditto.
1916         (rsqrtsf2): Ditto.
1917         * config/i386/sse.md (storentv4sf): Ditto.
1918         (storentv2df): Ditto.
1919         (storentv2di): Ditto.
1920         (storentsi): Ditto.
1921         (sse2_cvtpd2ps): Ditto.
1922         (vec_interleave_highv16qi): Ditto.
1923         (vec_interleave_lowv16qi): Ditto.
1924         (vec_interleave_highv8hi): Ditto.
1925         (vec_interleave_lowv8hi): Ditto.
1926         (vec_interleave_highv4si): Ditto.
1927         (vec_interleave_lowv4si): Ditto.
1928         (vec_interleave_highv2di): Ditto.
1929         (vec_interleave_lowv2di): Ditto.
1930         (sse2_maskmovdqu): Ditto.
1931         * config/i386/mmx.md (mmx_maskmovq): Ditto.
1932
1933 2007-09-09  Ira Rosen  <irar@il.ibm.com>
1934
1935         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
1936         (struct _slp_tree, struct _slp_instance): Define new data structures
1937         along macros for their access.
1938         (struct _loop_vec_info): Define new fields: strided_stores,
1939         slp_instances, and slp_unrolling_factor along macros for their access.
1940         (enum slp_vect_type): New.
1941         (struct _stmt_vec_info): Define new field, slp_type, and macros for its
1942         access.
1943         (STMT_VINFO_STRIDED_ACCESS): New macro.
1944         (vect_free_slp_tree): Declare.
1945         (vectorizable_load): Add an argument of type slp_tree.
1946         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
1947         vectorizable_assignment): Likewise.
1948         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
1949         Declare (make extern).
1950         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
1951         (new_loop_vec_info): Likewise.
1952         (destroy_loop_vec_info): Free memory allocated for SLP structures.
1953         * tree-vect-analyze.c: Include recog.h.
1954         (vect_update_slp_costs_according_to_vf): New.
1955         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
1956         functions. For not pure SLP stmts with strided access check that the
1957         group size is power of 2. Update the vectorization factor according to
1958         SLP. Call vect_update_slp_costs_according_to_vf.
1959         (vect_analyze_group_access): New.
1960         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
1961         (vect_free_slp_tree): New functions.
1962         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
1963         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
1964         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
1965         vect_detect_hybrid_slp): Likewise.
1966         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
1967         and vect_detect_hybrid_slp.
1968         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
1969         SLP costs into account.
1970         (vect_get_cost_fields): New function.
1971         (vect_model_simple_cost): Make extern, add SLP parameter and handle
1972         SLP.
1973         (vect_model_store_cost, vect_model_load_cost): Likewise.
1974         (vect_get_constant_vectors): New function.
1975         (vect_get_slp_vect_defs, vect_get_slp_defs,
1976         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
1977         vect_get_vec_defs): Likewise.
1978         (vectorizable_reduction): Don't handle SLP for now.
1979         (vectorizable_call): Don't handle SLP for now. Add argument to
1980         vect_model_simple_cost.
1981         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
1982         get SLPed and vectorized defs). Fix indentation and spacing.
1983         (vectorizable_assignment): Handle SLP.
1984         (vectorizable_induction): Don't handle SLP for now.
1985         (vectorizable_operation): Likewise.
1986         (vectorizable_type_demotion): Add argument to
1987         vect_model_simple_cost.
1988         (vectorizable_type_promotion): Likewise.
1989         (vectorizable_store, vectorizable_load): Handle SLP.
1990         (vectorizable_condition): Don't handle SLP for now.
1991         (vect_transform_stmt): Add a new argument for SLP. Check that there is
1992         no SLP transformation required for unsupported cases. Add SLP
1993         argument for supported cases.
1994         (vect_remove_stores): New function.
1995         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
1996         (vect_transform_loop): Schedule SLP instances.
1997         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
1998
1999 2007-09-09  Andrew Haley  <aph@redhat.com>
2000
2001         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the
2002         fake signed optab.
2003
2004 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2005
2006         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2007         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2008         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2009         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2010         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2011         REG_LABEL when replacing an operand with a LABEL_REF for a
2012         non-jump insn.
2013         (subst_reloads): When replacing a LABEL_REG with a register,
2014         instead of generating a REG_LABEL note, assert that there already
2015         is one or that the label is a known target for the insn.
2016         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2017         note, check the JUMP_LABEL field.  Remove "else" after return.
2018         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2019         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2020         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2021         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2022         insns.  Iterate over all notes; don't assume there's only one.
2023         * cse.c (recorded_label_ref): Adjust comment to refer to
2024         REG_LABEL_OPERAND.
2025         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2026         insns, not just NONJUMP_INSN_P.
2027         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2028         isn't a jump target.
2029         * jump.c (rebuild_jump_labels): Adjust head comment.
2030         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2031         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2032         (mark_all_labels): For JUMP_P insns without a target, check if the
2033         the target is noted on the previous nonjump insn.
2034         (mark_jump_label_1): New function, guts from mark_jump_label.
2035         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2036         marking jump target labels.
2037         <case LABEL_REF>: Adjust for whether to generate a
2038         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2039         For 'E' format rtl, iterate in descending element order.
2040         (delete_related_insns): Handle both REG_LABEL_TARGET and
2041         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2042         reference count, delete and fallthrough.  Move finding-next-
2043         non-deleted insn last in the function.  Look at all INSN_P insns
2044         for REG_LABEL_OPERAND notes.
2045         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2046         JUMP.
2047         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2048         JUMP_LABEL, output the INSN_UID of it.
2049         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2050         and/or REG_LABEL_TARGET.
2051         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2052         with jump.c copy by only adding notes for labels actually
2053         referenced in the insn.
2054         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2055         usage count increment; handle all INSN_P trial insns.
2056         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2057         notes.
2058         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2059         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2060         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2061         REG_LABEL_OPERAND.
2062         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2063         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2064         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2065         on all INSN_P insns.
2066         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2067         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2068         REG_LABEL_OPERAND notes.
2069         * reload1.c (calculate_needs_all_insns): Adjust comments.
2070         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2071         * config/alpha/alpha.md (split for load of an address into a
2072         four-insn sequence on Unicos/Mk): Adjust to use
2073         REG_LABEL_OPERAND.
2074         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2075
2076 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2077
2078         Revert:
2079         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2080         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2081         FOR_BB_INSNS_SAFE instead of for loop.
2082         * cse.c (cse_extended_basic_block): Likewise.
2083         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2084         that the for loop does not invoke NEXT_INSN on a deleted insn.
2085         * function.c (instantiate_virtual_regs): Likewise.
2086         * lower-subreg.c (remove_retval_note): Likewise.
2087         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2088         FOR_BB_INSNS.
2089         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2090         a deleted insn.
2091         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2092         insn, if it's a jump.
2093         (try_redirect_by_replacing_jump): New variable jump_p. Call
2094         tablejump_p before delete_insn_chain.
2095         * reload1.c (reload): New variable next. Make sure that the for
2096         loop does not invoke NEXT_INSN on a deleted insn.
2097         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2098         (delete_output_reload): New variable prev. Make sure the the for
2099         loops do not invoke PREV_INSN on a deleted insn.
2100
2101 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2102
2103         * pa/constraints.md: Remove 'X' from unused letters comment.
2104
2105 2007-09-08  Richard Guenther  <rguenther@suse.de>
2106
2107         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2108         computed check stmt_ann->references_memory instead of counting
2109         virtual operands.
2110  
2111 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2112
2113         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2114         validate_change() in one more case.
2115
2116 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2117
2118         PR tree-optimization/32283
2119         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2120         estimated_loop_iterations.
2121         (determine_use_iv_cost_condition): Decrease cost of expressions
2122         used in iv elimination.
2123
2124 2007-09-08  Richard Guenther  <rguenther@suse.de>
2125
2126         * tree-cfg.c (verify_gimple_expr): Avoid building new
2127         pointer types, use TYPE_POINTER_TO if available instead.
2128
2129 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2130
2131         PR target/33329
2132         PR rtl-optimization/26449
2133         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2134         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2135         split1 pass.
2136         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2137         define_expand.  Split insn in split1 pass.
2138         (mulv2di3): Ditto.
2139
2140 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2141
2142         PR tree-optimization/33301
2143         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2144         when relevant.
2145
2146 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2147
2148         PR tree-optimization/32183
2149         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2150
2151         * tree-ssa-reassoc.c: Include cfgloop.h.
2152         (is_reassociable_op): Add a loop argument and return true only
2153         for inside loop.
2154         (linearize_expr): Updated.
2155         (should_break_up_subtract): Likewise.
2156         (linearize_expr_tree): Likewise.
2157         (init_reassoc): Call loop_optimizer_init with
2158         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2159         with CDI_DOMINATORS.
2160         (fini_reassoc): Call loop_optimizer_finalize.
2161
2162 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2163
2164         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2165         if there is no i-cache.
2166
2167 2007-09-07  Richard Guenther  <rguenther@suse.de>
2168
2169         Reapply
2170         2007-09-06  Richard Guenther  <rguenther@suse.de>
2171
2172         PR tree-optimization/32586
2173         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2174         folding if nothing changed.
2175         (simplify_unary_expression): New function.  Do tree combining
2176         on conversion like codes.
2177         (try_to_simplify): Call it.
2178
2179 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2180
2181         PR target/33286
2182         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2183         (__gthread_active,__gthread_start, __gthread_active_init): New.
2184         * gthr-posix95.h: Likewise.
2185
2186 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2187
2188         * function.h (struct function): Rename calls_unwind_init
2189         to saves_all_registers.
2190         (current_function_saves_all_registers): Renamed from
2191         current_function_calls_unwind_init.
2192         * reload1.c (reload): Set current_function_saves_all_registers.
2193         * except.c (expand_builtin_unwind_init): Likewise.
2194         * config/m68k/m68k.c (m68k_save_reg): Use
2195         current_function_saves_all_registers to save pic register.
2196
2197 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2198
2199         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2200         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2201
2202         Reapply reverted changes:
2203
2204         2007-09-06  Jan Hubicka  <jh@suse.cz>
2205  
2206         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2207         real_2expN.
2208
2209         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2210
2211         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2212         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2213
2214         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2215
2216         * optabs.c (expand_float): Convert unsigned integer as signed only
2217         if it provides sufficient accuracy; add mode argument to real_2expN.
2218         (expand_fix): Fix comment typos; extend binary float into mode
2219         wider than destination for converion to unsigned integer; add mode
2220         argument to real_2expN.
2221         * real.c (real_2expN): Add mode argument to special-case decimal
2222         float values.
2223         * real.h (real_2expN): Ditto.
2224         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2225         real_2expN.
2226         (fixed_from_string): Ditto.
2227         (fixed_to_decimal): Ditto.
2228         (fixed_convert_from_real): Ditto.
2229         (real_convert_from_fixed): Ditto.
2230         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2231         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2232         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2233         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2234
2235 2007-09-07  Diego Novillo  <dnovillo@google.com>
2236
2237         * tree-flow.h (const_block_stmt_iterator): Remove.
2238         Update all users to use block_stmt_iterator.
2239         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2240         Update all users to use tree_stmt_iterator.
2241
2242 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2243
2244         * config/mips/mips.c (mips_set_current_function): Temporarily
2245         make this a no-op to fix bootstrap errors, pending rewrite.
2246
2247 2007-09-07  Jan Hubicka  <jh@suse.cz>
2248
2249         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2250         in the pass.
2251
2252 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2253
2254         PR tree-optimization/33299
2255         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2256         uses for all relevant loop-exit phis, not just the first.
2257
2258 2007-09-07  Richard Guenther  <rguenther@suse.de>
2259
2260         PR middle-end/33330
2261         * tree-ssa-operands.c (access_can_touch_variable): An access
2262         of the form (*p)[0] can touch a variable of same size.
2263
2264 2007-09-07  Jan Hubicka  <jh@suse.cz>
2265
2266         * passes.c (init_optimization_passes): Add simple dce and addressable
2267         passes.
2268         * tree-ssa.c (execute_update_addresses_taken): New function.
2269         (pass_update_address_taken): New.
2270         * tree-ssa-dse.c (execute_simple_dse): New function.
2271         (pass_simple_dse): New.
2272         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2273
2274 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2275
2276         PR middle-end/33321
2277         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2278
2279 2007-09-07  Richard Guenther  <rguenther@suse.de>
2280
2281         Revert
2282         2007-09-06  Richard Guenther  <rguenther@suse.de>
2283
2284         PR tree-optimization/32586
2285         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2286         folding if nothing changed.
2287         (simplify_unary_expression): New function.  Do tree combining
2288         on conversion like codes.
2289         (try_to_simplify): Call it.
2290
2291 2007-09-07  Richard Guenther  <rguenther@suse.de>
2292             Uros Bizjak  <ubizjak@gmail.com>
2293
2294         PR tree-optimization/32821
2295         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2296         NULL in the call to set_bb_stmt_list.
2297
2298 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2299
2300         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2301         float calls here, rather than leaving some to the caller.
2302         Use call_internal_direct and call_value_internal_direct.
2303         * config/mips/mips.md (call_internal_direct): New pattern.
2304         (call_value_internal_direct): Likewise.
2305
2306 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2307
2308         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2309         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2310         to 0 for MIPS16.
2311         (override_options): Set mips_base_move_loop_invariants.
2312
2313 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2314
2315         * config/mips/mips.opt (mcode-readable=): Move to keep list
2316         alphabetical.
2317
2318 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2319
2320         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2321         and -mgpopt options.  Adjust the -G documentation to match.
2322         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2323         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2324         function, split out from mips_classify_symbol.  Return false for
2325         !TARGET_LOCAL_SDATA.
2326         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2327         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2328         (override_options): Check whether the -mgpopt setting is consistent
2329         with the other flags.
2330         (symbolic_expression_p): Delete.
2331         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2332         and default_elf_select_rtx_section.
2333         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2334         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2335         external data and TARGET_EXTERN_SDATA.
2336
2337 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2338
2339         PR fortran/33303
2340         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2341
2342 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2343
2344         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2345         FOR_BB_INSNS_SAFE instead of for loop.
2346         * cse.c (cse_extended_basic_block): Likewise.
2347         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2348         that the for loop does not invoke NEXT_INSN on a deleted insn.
2349         * function.c (instantiate_virtual_regs): Likewise.
2350         * lower-subreg.c (remove_retval_note): Likewise.
2351         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2352         FOR_BB_INSNS.
2353         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2354         a deleted insn.
2355         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2356         insn, if it's a jump.
2357         (try_redirect_by_replacing_jump): New variable jump_p. Call
2358         tablejump_p before delete_insn_chain.
2359         * reload1.c (reload): New variable next. Make sure that the for
2360         loop does not invoke NEXT_INSN on a deleted insn.
2361         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2362         (delete_output_reload): New variable prev. Make sure the the for
2363         loops do not invoke PREV_INSN on a deleted insn.
2364
2365 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2366
2367         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2368         * cgraph.h (rebuild_cgraph_edges): Declare.
2369         * tree-pass.h (pass_expand_omp_ssa): New.
2370         * omp-low.c (find_omp_clause): Export.
2371         (copy_var_decl): Split from omp_copy_decl_2.
2372         (build_omp_barrier): Return the call to emit instead of emitting
2373         it directly.
2374         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2375         build_omp_barrier.
2376         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2377         expand_omp_for_generic, expand_omp_for_static_nochunk,
2378         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2379         Adapted to work on SSA form.
2380         (execute_expand_omp): Do not invalidate dominance information.
2381         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2382         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2383         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2384         a gimple_reg.
2385         (force_gimple_operand): Allow gimplifying code expressions without
2386         value.
2387         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2388         * common.opt (fopenmp-ssa): New.
2389         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2390         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2391         * tree-cfg.c: Include tree-inline.h.
2392         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2393         (replace_by_duplicate_decl, replace_ssa_name,
2394         mark_virtual_ops_in_region): New functions.
2395         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2396         to work on SSA form.
2397         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2398         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2399         constructs.
2400
2401 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2402
2403         * tree-loop-linear.c: Include obstack.h.
2404         (linear_transform_loops): New obstack lambda_obstack.
2405         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2406         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2407         and free afterwards.
2408         * lambda.h (struct obstack): New forward declaration.
2409         (lambda_linear_expression_new): New parameter of type struct
2410         obstack *.
2411         (lambda_loopnest_new): Likewise.
2412         (lambda_loopnest_transform): Likewise.
2413         (lambda_body_vector_new): Likewise.
2414         (lambda_body_vector_compute_new): Likewise.
2415         (gcc_loopnest_to_lambda_loopnest): Likewise.
2416         (lambda_loopnest_to_gcc_loopnest): Likewise.
2417         * lambda-code.c: Include obstack.h.
2418         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2419         allocation of ret.
2420         (lambda_body_vector_new): Likewise.
2421         (lambda_linear_expression_new): Likewise.
2422         (lambda_lattice_new): Likewise.
2423         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2424         allocate LN_LOOPS(ret).
2425         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2426         it to lambda_lattice_new.
2427         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2428         Pass it to lambda_body_vector_new.
2429         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2430         it to lambda_lattice_new.
2431         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2432         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2433         (lambda_compute_target_space): Likewise.
2434         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2435         Pass it to lambda_lattice_compute_base and
2436         compute_nest_using_fourieer_motzkin.
2437         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2438         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2439         and lambda_lattice_compute_target_space.
2440         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2441         Pass it to lambda_linear_expression_new.
2442         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2443         to gcc_tree_to_linear_expression.
2444         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2445         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2446         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2447         Pass it to lambda_body_vector_new and
2448         lambda_body_vector_compute_new.
2449         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2450         (lambda-code.o): Likewise.
2451
2452 2007-09-06  Chao-ying Fu  <fu@mips.com>
2453
2454         * ginclude/stdfix.h: New file.
2455         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2456         (convert.o): Add dependence on fixed-value.h.
2457         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2458         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2459         to define fixed-point constants.
2460         (c_cpp_builtins): Define fixed-point constants.
2461         * convert.c (fixed-value.h): New include.
2462         (convert_to_real): Update comment to include fixed-point.
2463         Support FIXED_POINT_TYPE.
2464         (convert_to_integer): Update comment to include fixed-point.
2465         Support FIXED_POINT_TYPE.
2466         (convert_to_complex): Support FIXED_POINT_TYPE.
2467         (convert_to_fixed): New function.
2468         * convert.h (convert_to_fixed): Declare.
2469         * genopinit.c: Add comment about $Q for only fixed-point modes.
2470         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2471         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2472         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2473         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2474         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2475         usneg_optab for fixed-point modes.
2476         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2477         modes.
2478         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2479         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2480         unsigned saturation optabs, when type is saturating.
2481         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2482         (expand_fixed_convert): New function.
2483         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2484         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2485         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2486         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2487         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2488         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2489         functions.
2490         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2491         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2492         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2493         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2494         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2495         satfractuns_optab.
2496         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2497         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2498         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2499         fractuns, satfractuns.
2500         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2501         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2502         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2503         OTI_ssmsub_widen,  OTI_usmsub_widen.
2504         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2505         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2506         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2507         umsub_widen_optab, usmsub_widen_optab): Define.
2508         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2509         COI_satfractuns.
2510         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2511         Define.
2512         (expand_fixed_convert): Declare.
2513         * expr.c (convert_move): Support the move of fixed-point modes.
2514         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2515         (categorize_ctor_elements_1): Handle FIXED_CST.
2516         (count_type_elements): Handle FIXED_POINT_TYPE.
2517         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2518         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2519         Support FIXED_CST.
2520         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2521         multiply and add/subtract for fixed-point types.
2522         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2523         mode, we jump to binop directly.
2524         Support FIXED_CONVERT_EXPR.
2525         (do_store_flag): Check FIXED_CST to put a constant second.
2526         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2527         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2528         (const_vector_from_tree): Support FIXED_CST.
2529         * doc/extend.texi (Fixed-Point): New node.
2530         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2531         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2532         satfract, fractuns, satfractuns): Document them.
2533
2534 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2535
2536         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2537         addresses into I registers.
2538
2539 2007-09-06  Jan Hubicka  <jh@suse.cz>
2540             Andreas Tobler  <a.tobler@schweiz.org>
2541
2542         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2543         sharing.
2544         (machopic_legitimize_pic_address): Likewise.
2545
2546 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2547             Jan Hubicka  <jh@suse.cz>
2548
2549         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2550         instead of ufloat_optab->handlers directly.
2551         (floatdidf2): Likewise.
2552
2553 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2554
2555         * config/mips/mips.c:  Include diagnostic.h.
2556         (mips_set_current_function): Check errorcount and sorrycount 
2557         before generating RTL.
2558
2559 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2560
2561         PR target/33256
2562         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2563         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2564         (print_operand_reloc): Likewise.
2565
2566 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2567
2568         Revert:
2569
2570         2007-09-06  Jan Hubicka  <jh@suse.cz>
2571  
2572         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2573         real_2expN.
2574
2575         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2576
2577         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2578         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2579
2580         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2581
2582         * optabs.c (expand_float): Convert unsigned integer as signed only
2583         if it provides sufficient accuracy; add mode argument to real_2expN.
2584         (expand_fix): Fix comment typos; extend binary float into mode
2585         wider than destination for converion to unsigned integer; add mode
2586         argument to real_2expN.
2587         * real.c (real_2expN): Add mode argument to special-case decimal
2588         float values.
2589         * real.h (real_2expN): Ditto.
2590         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2591         real_2expN.
2592         (fixed_from_string): Ditto.
2593         (fixed_to_decimal): Ditto.
2594         (fixed_convert_from_real): Ditto.
2595         (real_convert_from_fixed): Ditto.
2596         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2597         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2598         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2599         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2600
2601 2007-09-06  Tom Tromey  <tromey@redhat.com>
2602
2603         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2604         * c-pch.c (c_common_read_pch): Restore current location after
2605         reading PCH file.
2606         * tree.c (expand_location): Update.
2607         (expr_filename): Changed return type.  Unified the two cases.
2608         (expr_lineno): Likewise.
2609         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2610         as lvalues.
2611         * toplev.c (line_table): Changed type.
2612         (general_init): Update.
2613         (realloc_for_line_map): New function.
2614         (general_init): Allocate line_table using GC.
2615         * fix-header.c (line_table): Changed type.
2616         (read_scan_file): Update.
2617         (read_scan_file): Update.
2618         * c-ppoutput.c (maybe_print_line): Update.
2619         (print_line): Update.
2620         (cb_line_change): Update.
2621         (cb_define): Update.
2622         (pp_file_change): Update.
2623         * c-opts.c (c_common_init_options): Update.
2624         (finish_options): Update.
2625         (push_command_line_include): Update.
2626         * c-lex.c (cb_line_change): Update.
2627         (cb_def_pragma): Update.
2628         (cb_define): Update.
2629         (cb_undef): Update.
2630         (c_lex_with_flags): Use cpp_get_token_with_location.
2631         * input.h (line_table): Changed type.
2632         (location_from_locus): New macro.
2633         * tree.h (EXPR_FILENAME): No longer an lvalue.
2634         (EXPR_LINENO): Likewise.
2635         (expr_locus, set_expr_locus): Declare separately for
2636         USE_MAPPED_LOCATION.
2637         (expr_filename, expr_lineno): Changed return type.
2638         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2639         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2640         (expand_gimple_basic_block): Likewise.
2641         * final.c (final_scan_insn): Use expanded_location.
2642
2643 2007-09-06  Richard Guenther  <rguenther@suse.de>
2644
2645         PR tree-optimization/32586
2646         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2647         folding if nothing changed.
2648         (simplify_unary_expression): New function.  Do tree combining
2649         on conversion like codes.
2650         (try_to_simplify): Call it.
2651         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2652         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2653
2654 2007-09-06  Jan Hubicka  <jh@suse.cz>
2655
2656         PR target/33318
2657         * cse.c (fold_rtx): Avoid invalid sharing.
2658
2659 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2660
2661         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2662         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2663
2664 2007-09-06  Revital Eres  <eres@il.ibm.com>
2665
2666         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2667         Fix offsettable memory reference for 750CL.
2668
2669 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2670
2671         * reload.c (find_reloads_address_1): Try to preserve original
2672         base/index regclass of operands.
2673         * regrename.c (scan_rtx_address): Likewise.
2674         (replace_oldest_value_addr): Likewise.
2675
2676 2007-09-06  Richard Guenther  <rguenther@suse.de>
2677
2678         PR tree-optimization/33302
2679         * domwalk.c (walk_dominator_tree): The exit block is
2680         interesting even if it is not reachable.
2681
2682 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2683
2684         PR middle-end/33306
2685         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
2686
2687 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
2688
2689         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for 
2690         robustness.
2691
2692 2007-09-05  Ian Lance Taylor  <iant@google.com>
2693
2694         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
2695         when printing.
2696         (dump_generic_node): Likewise.
2697         * print-rtl.c (print_decl_name): Likewise.
2698         * print-tree.c (print_node_brief): Likewise.
2699         (print_node): Likewise.
2700         * Makefile.in (RTL_BASE_H): Add alias.h.
2701         (TREE_H): Likewise.
2702
2703 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
2704
2705         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
2706         Defined.
2707         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
2708         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
2709
2710 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
2711
2712         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
2713         (tm_defines): Define UCLIBC_DEFAULT to 1.
2714         (extra_options): Add linux.opt.
2715         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2716         (CRT_CALL_STATIC_FUNCTION): Likewise.
2717         (NO_IMPLICIT_EXTERN_C): Likewise.
2718         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2719         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
2720         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
2721         (ENDFILE_SPEC): Don't define.
2722         (LIB_SPEC): Likewise.
2723         (CRT_CALL_STATIC_FUNCTION): Likewise.
2724         (NO_IMPLICIT_EXTERN_C): Likewise.
2725         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
2726         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
2727
2728 2007-09-06  Jan Hubicka  <jh@suse.cz>
2729
2730         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2731         real_2expN.
2732
2733 2007-09-06  Jan Hubicka  <jh@suse.cz>
2734
2735         * opts.c (common_handle_option): Enable inlining functions for
2736         -fprofile-generate.
2737
2738 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
2739
2740         * builtin-attrs.def (ATTR_NONNULL_3): New.
2741         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
2742         ATTR_NOTHROW_NONNULL_##FA.
2743         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
2744         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
2745         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
2746         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
2747         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
2748         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
2749         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
2750         New.
2751         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
2752         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
2753         ATTR_FORMAT_NOTHROW_3_4): Remove.
2754         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
2755         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
2756         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
2757         instead of ATTR_FORMAT_*_*.
2758
2759 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
2760
2761         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
2762         parts re-used for REG_FRAME_RELATED_EXPR.
2763
2764 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2765
2766         * optabs.c (expand_float): Convert unsigned integer as signed only
2767         if it provides sufficient accuracy; add mode argument to real_2expN.
2768         (expand_fix): Fix comment typos; extend binary float into mode
2769         wider than destination for converion to unsigned integer; add mode
2770         argument to real_2expN.
2771         * real.c (real_2expN): Add mode argument to special-case decimal
2772         float values.
2773         * real.h (real_2expN): Ditto.
2774         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2775         real_2expN.
2776         (fixed_from_string): Ditto.
2777         (fixed_to_decimal): Ditto.
2778         (fixed_convert_from_real): Ditto.
2779         (real_convert_from_fixed): Ditto.
2780         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2781         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2782         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2783         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2784
2785 2007-09-05  Ian Lance Taylor  <iant@google.com>
2786
2787         * init-regs.c (initialize_uninitialized_regs): Call
2788         emit_insn_before rather than add_insn_before.
2789
2790 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
2791
2792         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
2793         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
2794         * tree-inline.h (copy_body_data): Add call_expr field.
2795         * tree-inline.c (expand_call_inline): Initialize call_expr.
2796         (copy_bb): Append anonymous inline fn arguments to arguments
2797         when inlining a CALL_EXPR_VA_ARG_PACK call.
2798         * builtins.c (expand_builtin): Issue an error if
2799         BUILT_IN_VA_ARG_PACK is seen during expand.
2800         (fold_call_expr, fold_builtin_call_array): Don't fold
2801         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
2802         __builtin_va_arg_pack () call as last argument.
2803         * gimplify.c (gimplify_call_expr): If last argument to a vararg
2804         function is __builtin_va_arg_pack (), decrease number of call
2805         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
2806         * expr.c (expand_expr_real_1): Issue an error if
2807         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
2808         * tree-pretty-print.c (dump_generic_node): Handle printing
2809         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
2810         * doc/extend.texi (__builtin_va_arg_pack): Document.
2811
2812 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
2813
2814         PR tree-optimization/21513
2815         * builtins.c (build_builtin_expect_predicate): New function.
2816         (fold_builtin_expect): Add argument for expected value.
2817         Distribute __builtin_expect over short-circuiting operations.
2818         Fold nested builtin_expects.
2819         (fold_builtin_2): Adjust call to fold_builtin_expect.
2820
2821 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2822
2823         PR web/32965
2824         PR tree-optimization/13756
2825         * doc/invoke.texi (Options That Control Optimization): Document
2826         -ftree-dse.
2827
2828 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
2829
2830         * gcc/config/i386/cpuid.h: New file.
2831         * gcc/config/i386/driver-i386.c: Include cpuid.h.
2832         (describe_cache): Shrink size and line strings to 100 bytes.
2833         (detect_caches_amd): Return "" for unsupported max_ext_level.
2834         Use __cpuid function.
2835         (detect_caches_intel): Return "" for unsupported max_level.
2836         Use __cpuid function.
2837         (host_detect_local_cpu): Change feature flag variables to
2838         unsigned int.  Initialize only extended feature flag variables.
2839         Use __get_cpuid_max to determine max supported cpuid level.
2840         Use __cpuid function to determine supported features.  Fix
2841         calculation of family id.  Remove is_amd and check signature
2842         directly.  Check for Geode signature.  Handle family 4 id.
2843         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
2844         cpu discovery code to lower part of the function.
2845         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
2846         for sub-architecture.
2847         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
2848         [PROCESSOR_K8]: Add k8-sse3 architecture.
2849         [PROCESSOR_NOCONA]: Remove.
2850         [PROCESSOR_GENERIC64]: Ditto.
2851         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
2852         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
2853         to check for SSE and FXSAVE support.
2854         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
2855         Add -minline-all-stringops.
2856         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
2857         (x86_64-*-*): Ditto.
2858
2859 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
2860
2861         * config/bfin/linux-unwind.h: New file.
2862         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
2863         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
2864
2865 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2866
2867         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
2868         * stmt.c: Include alloc-pool.h.
2869         (struct case_node): Remove GTY marker.
2870         (add_case_node): New parameter case_node_pool.  Use it for
2871         allocation of r.
2872         (expand_case): New allocation pool case_node_pool.  Initialize it,
2873         pass to add_case_node and free it.
2874
2875 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2876             David Ung  <davidu@mips.com>
2877             Nigel Stephens <nigel@mips.com>
2878
2879         Add mips16/nomips16 function attributes and -mflip-mips16 option
2880         for testing mixed-mode compilation.
2881
2882         * config/mips/mips.opt (mflip-mips16): New.
2883
2884         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
2885         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
2886
2887         * config/mips/mips.c (mips_base_target_flags): New.
2888         (mips_base_mips16): New.
2889         (mips_base_schedule_insns): New.
2890         (mips_base_reorder_blocks_and_partition): New.
2891         (mips_base_align_loops): New.
2892         (mips_base_align_jumps): New.
2893         (mips_base_align_functions): New.
2894         (mips16_flipper): New.
2895         (mips_attribute_table): Add "mips16" and "nomips16" entries.
2896         (TARGET_SET_CURRENT_FUNCTION): Define.
2897         (mips_mips16_type_p, mips_nomips16_type_p): New.
2898         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
2899         (mips_function_ok_for_sibcall): Make it deal with functions with
2900         mips16 attributes.
2901         (mips_init_split_addresses): New, split out from override_options.
2902         (mips_init_relocs): New, split out from override_options.
2903         (was_mips16_p): New.
2904         (mips_set_mips16_mode): New, split out from override_options.
2905         (mips_set_current_function): New.
2906         (override_options): Add sorry for unsupported mips16/pic
2907         combination.  Remove error for mips16/dsp combination.  Save
2908         base option settings.  
2909         (mips_file_start): Move mips16 mode setting output from here....
2910         (mips_output_function_prologue): ....to here.
2911         (mips_output_mi_thunk): Check for mips16 function.
2912         (build_mips16_function_stub): Don't set .mips16 here.
2913         (build_mips16_call_stub): Likewise.
2914         (mips_expand_builtin): Error in mips16 mode.
2915         (mips_use_mips16_mode_p): New.
2916         (mips_encode_section_info): Check for mips16 function, and set
2917         SYMBOL_REF_FLAGS accordingly.
2918
2919         * doc/extend.texi (Function Attributes): Document new
2920         mips16/nomips16 attributes.
2921         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
2922         (MIPS Options): Document -mflip-mips16.
2923
2924 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2925
2926         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
2927         if we encounter TLS address in MIPS16 mode.
2928         (mips_legitimize_const_move): Check cannot_force_const_mem for
2929         the (const (plus symbol offset)) case; this forces invalid TLS
2930         address in MIPS16 mode to be caught by the above call to sorry.
2931         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
2932         because that now enables emutls, which is not ABI compatible
2933         with native TLS in non-MIPS16 mode.
2934
2935 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
2936
2937         Add target hook invoked when cfun changes.
2938
2939         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
2940         * target.h (struct gcc_target): Add set_current_function.
2941         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
2942         (TARGET_INITIALIZER): Add initializer for set_current_function.
2943         * tree.h (push_struct_function): New.
2944         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
2945         * function.h: Here.
2946         (set_cfun): Declare.
2947         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
2948         * function.c: Here.
2949         (push_function_context_to): Use allocate_struct_function
2950         to create null context, not init_dummy_function_start.  Use set_cfun.
2951         (pop_function_context_from): Use set_cfun.
2952         (in_dummy_function): New.
2953         (invoke_set_current_function_hook): New.
2954         (set_cfun): New.
2955         (push_cfun, pop_cfun): Use set_cfun.
2956         (push_struct_function): New.
2957         (allocate_struct_function): Call invoke_set_current_function_hook
2958         before returning.
2959         (prepare_function_start): Don't set cfun here.  Remove unused
2960         argument; fix all callers.
2961         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
2962         push_struct_function.
2963         (init_function_start): Set cfun here.
2964         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
2965         * omp-low.c (create_omp_child_function): Use push_struct_function
2966         and pop_cfun to save/restore state.
2967         (expand_omp_parallel): Remove unused saved_cfun variable.
2968         * cgraphunit.c (ipa_passes): Use set_cfun.
2969         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
2970         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
2971         * matrix-reorg.c (transform_allocation_sites): Likewise.
2972         (matrix_reorg): Use set_cfun.
2973         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
2974         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
2975         assignment to cfun; use set_cfun for the other.
2976         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
2977         (dump_function_to_file): Use push_cfun/pop_cfun here.
2978         * c-decl.c (finish_function): Use set_cfun.
2979
2980 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2981
2982         * regrename.c (rerename_optimize): Use deferred rescanning and
2983         insert explicit calls to rescan insns when changed.
2984         
2985 2007-09-05  Jan Hubicka  <jh@suse.cz>
2986
2987         * optabs.c (libfunc_entry): Change optab to integer.
2988         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
2989         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
2990         of pointers for hashing.
2991
2992 2007-09-05  Jan Hubicka  <jh@suse.cz>
2993
2994         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
2995         verifier.
2996         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
2997         * see.c (pass_see): Likewise.
2998         * tracer.c (pass_tracer): Likewise.
2999         * postreload-gcse.c (pass_gcse2): Likewise.
3000         * postreload.c (pass_postreload_cse): Likewise.
3001         * mode-switching.c (pass_mode_switching): Likewise.
3002         * modulo-sched.c (pass_sms): Likewise.
3003         * cse.c (cse_insn): Likewise.
3004         * web.c (pass_web): Likweise.
3005         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3006         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3007         * loop-init.c (pass_rtl_loop_init): Likewise.
3008         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3009         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3010         * global.c (pass_global_alloc): Likewise.
3011         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3012         pass_if_after_reload): Likewise.
3013         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3014         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3015         * regmove.c (pass_regmove): Likewise.
3016         * function.c (pass_thread_prologugues_epilogues): Likewise.
3017         * gcse.c (pass_gcse): Likewise.
3018         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3019         * lower-subreg.c (pass_lower_subreg2): Likewise.
3020         * bt-load.c (pass_branch_target_load): Likewise.
3021         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3022         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3023         * combine.c (pass_combine): Likewise.
3024         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3025         (pass_partition_blocks): Likewise.
3026         * var-tracking.c (pass_variable_track): Likewise.
3027         * reg-stack.c (pass_stack_regs_run): Likewise.
3028         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3029         * passes.c (pass_postreload): Likewise.
3030         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3031         * tree-pass.h (TODO_verify_rtl_sharing): New.
3032         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3033         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3034         TODO_set_props, TODO_df_finish, TODO_df_verify,
3035         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3036
3037 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3038
3039         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3040         fold_real_zero_addition_p, reorder_operands_p,
3041         div_if_zero_remainder, fold_undefer_overflow_warnings,
3042         int_binop_types_match_p, fold_convert_const_int_from_int,
3043         fold_convert_const_int_from_real,
3044         fold_convert_const_int_from_fixed,
3045         fold_convert_const_real_from_real,
3046         fold_convert_const_real_from_fixed,
3047         fold_convert_const_fixed_from_fixed,
3048         fold_convert_const_fixed_from_int,
3049         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3050         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3051         debug_fold_checksum, multiple_of_p): Constify.
3052         * tree-flow-inline.h (get_lineno): Likewise.
3053         * tree-flow.h (get_lineno): Likewise.
3054         * tree-object-size.c (compute_object_offset, addr_object_size,
3055         alloc_object_size, pass_through_call): Likewise.
3056         * tree-pretty-print.c (op_symbol, print_call_name,
3057         print_struct_decl, do_niy): Likewise.
3058         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3059         debug_fold_checksum): Likewise.
3060
3061 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3062
3063         PR middle-end/33029
3064         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3065         note, remove the associated REG_RETVAL note.
3066
3067 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3068
3069         * config.gcc (powerpc*-*-*): Install
3070         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3071         * config/rs6000/spu2vmx.h: New header.
3072         * config/rs6000/si2vmx.h: New header.
3073         * config/rs6000/vec_types.h: New header.
3074
3075 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3076
3077         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3078
3079 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3080
3081         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3082         not `m' for *ptrp.
3083         (__stdcx): Make asm volatile.
3084         (__stwcx, __stdcx): Return only 0 or 1.
3085
3086 2007-09-05  Jan Hubicka  <jh@suse.cz>
3087
3088         Revert:
3089
3090         2007-09-04  Jan Hubicka  <jh@suse.cz>
3091         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3092
3093         2007-09-04  Richard Guenther  <rguenther@suse.de>
3094         * tree-ssa-operands.c (add_virtual_operand): Only mark
3095         stores as has_volatile_ops if alias information is not available.
3096
3097 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3098
3099         * config/rs6000/tramp.asm: Include config.h.
3100         Check __PIC__ or __pic__ macro instead of SHARED.
3101
3102         PR rtl-optimization/32300
3103         * see.c (see_copy_insn): New function.
3104         (see_def_extension_not_merged, see_merge_one_use_extension,
3105         see_merge_one_def_extension): Use it.  Avoid changing
3106         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3107         into sequences.  Call df_insn_delete on temporary insns
3108         that won't be emitted into the insn stream.
3109         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3110         and run df_process_deferred_rescans () before run_fast_dce.
3111
3112         PR tree-optimization/33017
3113         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3114         recurse for pure or const function calls.
3115
3116 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3117
3118         * c-format.c: Include alloc-pool.h.
3119         (check_format_info_main): New argument fwt_alloc.  Use allocation
3120         pool instead of GC.  Remove GC deallocation code.
3121         (check_format_arg): Create allocation pool, pass it to
3122         check_format_info_main and free it afterwards.
3123         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3124
3125 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3126
3127         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3128         Rename count macro arugment for clarity.
3129         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3130         (__protected_stream_set): Likewise, pass 0.
3131
3132 2007-09-04  Jan Hubicka  <jh@suse.cz>
3133
3134         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3135
3136 2007-09-04  Jan Hubicka  <jh@suse.cz>
3137
3138         * invoke.texi (-finline-small-functions): Document.
3139         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3140         when deciding what is inlinable.
3141         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3142         (cgraph_decide_inlining_of_small_function): Handle new flags.
3143         (cgraph_decide_inlining_incrementally): Likewise.
3144         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3145         * common.opt (finline-small-functions): New.
3146         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3147
3148 2007-09-04  Richard Guenther  <rguenther@suse.de>
3149
3150         * tree-ssa-operands.c (add_virtual_operand): Only mark
3151         stores as has_volatile_ops if alias information is not available.
3152
3153 2007-09-04  Andrew Haley  <aph@redhat.com>
3154
3155         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3156
3157 2007-09-04  Andrew Haley  <aph@redhat.com>
3158
3159         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3160         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3161         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3162
3163 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3164
3165         PR c++/14178
3166         * common.opt: Mention ABI version 2 in comment.
3167
3168 2007-09-04  Jan Hubicka  <jh@suse.cz>
3169
3170         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3171         (libfunc_entry): New structure.
3172         (libfunc_hash): New hashtable.
3173         (hash_libfunc): New function.
3174         (eq_libfunc): New function.
3175         (convert_optab_libfunc): New function.
3176         (optab_libfunc): New function.
3177         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3178         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3179         expand_float, expand_fix, new_optab, new_convert_optab):
3180          Update for new libfunc API.
3181         (init_libfunc, init_integral_libfuncs,
3182         init_floating_libfuncs, init_interclass_conv_libfuncs
3183         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3184         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3185         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3186         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3187         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3188         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3189         gen_extend_conv_libfunc): New.
3190         (init_one_libfunc): Revamp for hashtables.
3191         (set_conv_libfunc): Likewise.
3192         (init_optabs): Initialize hashtable; use lazy initialization where
3193         possible.
3194         * optabs.h (optab_handlers): Move out of GGC.
3195         (optab, convert_optab): Move out of GGC; add lazy gen info.
3196         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3197         (optab_libfunc, convert_optab_libfunc): New.
3198         * builtins.c (expand_builtin_powi): Update for new API.
3199         * expr.c (convert_move): Likewise.
3200         * expmed.c (expand_divmod): Likewise.
3201
3202 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3203
3204         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3205         GOT pointer only if there is a constant pool.  Use the allocated space
3206         for SPE also.
3207
3208 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3209
3210         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3211         typo for AltiVec.
3212
3213 2007-09-04  Revital Eres  <eres@il.ibm.com>
3214             Richard Guenther  <rguenther@suse.de>
3215             R. Clint Whaley  <whaley@cs.utsa.edu>
3216
3217         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3218         Document new flags.
3219         * tree-tailcall.c (process_assignment): Use -fassociative-math
3220         when reodering operands of floating-point type.
3221         * fold-const.c (fold_comparison, fold_binary): Use
3222         -fassociative-math and -freciprocal-math instead of
3223         -funsafe-math-optimization flag.
3224         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3225         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3226         -freciprocal-math instead of -funsafe-math-optimizations.
3227         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3228         -fassociative-math when -ffast-math is set.
3229         (set_unsafe_math_optimizations_flags): New Function
3230         to set -freciprocal-math and -fassociative-math when
3231         -funsafe-math-optimizations is set.
3232         (common_handle_option): Call it.
3233         * tree-vectorizer.c (vect_is_simple_reduction): Use
3234         -fassociative-math when doing reduction on floats.
3235         * loop-unroll.c (analyze_insn_to_expand_var): Use
3236         -fassociative-math when expanding an accumulator of type float.
3237         * simplify-rtx.c (simplify_binary_operation_1): Use
3238         -fassociative-math and -freciprocal-math when reordeing operands
3239         of floating-point type.
3240         * combine.c (combine_simplify_rtx): Likewise.
3241         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3242         Likewise.
3243         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3244
3245 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3246
3247         PR c++/18608
3248         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3249
3250 2007-09-04  Jan Hubicka  <jh@suse.cz>
3251
3252         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3253
3254 2007-09-04  Jan Hubicka  <jh@suse.cz>
3255
3256         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3257         and corresponding MATCH_DUP.
3258
3259 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3260
3261         PR middle-end/33187
3262         * combine.c (subst): Do not try to simplify X if it represents load
3263         of FP constant from the constant pool via float extension.
3264
3265 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3266
3267         * c-opts.c: Include "tm_p.h".
3268         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3269
3270 2007-09-04  Richard Guenther  <rguenther@suse.de>
3271
3272         PR tree-optimization/33291
3273         * tree-pretty-print.c (dump_generic_node): Dump all
3274         qualifiers for pointer types, not only first.  Dump
3275         qualifiers for aggregate types as well.
3276         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3277         use the canonical type for building ARRAY_REFs.
3278         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3279         correct validness check is compatibility of the pointer
3280         types.  Always use the canonical type for building
3281         ARRAY_REFs and ADDR_EXPRs.
3282         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3283         change that disabled propagation of ADDR_EXPRs into statements
3284         with volatile ops.
3285
3286 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3287
3288         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3289         (umulsi3_highpart): Make into expanders; existing insns are
3290         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3291         counterparts' names.
3292
3293 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3294
3295         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3296         (unprotoize.o): Remove SHLIB_MULTILIB.
3297
3298 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3299
3300         * doc/extend.texi: Document progmem attribute for AVR.
3301
3302 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3303
3304         PR target/28902
3305         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3306
3307 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3308
3309         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3310         to avoid warnings.
3311
3312         * optabs.c: Remove unnecessary forward declarations.
3313         (expand_unop_direct): New, broken out of expand_unop.
3314         (expand_doubleword_clz): New.
3315         (expand_ctz): Move above expand_ffs.  Use
3316         start_sequence, end_sequence, add_equal_note, and
3317         expand_unop_direct.  Add more commentary.
3318         (expand_ffs): Try both ctz optab and expand_ctz.
3319         Generate a test and branch if the hardware doesn't give us
3320         a useful value for input zero.  Style improvements similar to
3321         expand_ctz.
3322
3323         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3324
3325 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3326
3327         * config.gcc: Delete stanza for arm-semi-aof and
3328         armel-semi-aof targets.
3329         * config/arm/arm-protos.h
3330         * config/arm/arm.c
3331         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3332         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3333         delete aof_pic_label and remove mention of AOF in comments.
3334         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3335         * config/arm/aof.h
3336         * config/arm/semiaof.h
3337         * config/arm/t-semi: Delete file.
3338
3339 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3340
3341         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3342         CONST_CAST_BB): New macros for type-specific casts.
3343         (CONST_CAST): Add a TYPE parameter and define it in terms of
3344         CONST_CAST2.
3345
3346         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3347         * c-lex.c (cb_ident, lex_string): Likewise,
3348         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3349         * config/i386/i386.c (ix86_function_regparm,
3350         ix86_function_sseregparm): Use CONST_CAST_TREE.
3351         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3352         CONST_CAST.
3353         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3354         give_switch, set_multilib_dir): Likewise,
3355         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3356         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3357         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3358         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3359         * prefix.c (update_path): Likewise,
3360         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3361         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3362         * tree-cfg.c (tree_can_merge_blocks_p,
3363         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3364         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3365         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3366         (attribute_list_contained): Use CONST_CAST_TREE.
3367
3368 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3369
3370         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3371
3372 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3373
3374         PR middle-end/33290
3375         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3376         before forcing them into a register.
3377
3378 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3379
3380         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3381         rather than define_code_macro.
3382
3383 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3384
3385         * gcc.c (xputenv): New function.
3386         (putenv_from_prefixes): Use xputenv instead of putenv.
3387         (process_command): Use xputenv instead of putenv.
3388         (set_collect_gcc_options): Use xputenv instead of putenv.
3389         (main): Use xputenv instead of putenv.
3390
3391 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3392
3393         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3394         availability of swap instruction.
3395         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3396
3397 2007-09-03  Revital Eres  <eres@il.ibm.com>
3398
3399         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3400         Documentation.
3401
3402 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3403             Ayal Zaks  <zaks@il.ibm.com>
3404             Revital Eres  <eres@il.ibm.com>
3405
3406         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3407         compute_split_row): New functions.
3408         (ps_unschedule_node): Remove.
3409         (normalize_sched_times): Iterate over the already scheduled
3410         insns instead of the number of nodes.
3411         (MAX_SPLIT_NUM): New definition.
3412         (sms_schedule_by_order): Change the scheduling heuristic to
3413         avoid useless increases of initiation interval ii.
3414         (get_sched_window): Add dump printouts.
3415
3416 2007-09-02  David Daney  <ddaney@avtrex.com>
3417
3418         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3419         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3420         (optab, insn): Add more attributes.
3421         (fetchop_bit): New code macro.
3422         (immediate_insn): New code macro attribute.
3423         (sync): Change condition to ISA_HAS_SYNC.
3424         (rdhwr): Change predicate for operand 0 to register_operand.
3425         (memory_barrier): New expand.
3426         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3427         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3428         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3429         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3430         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3431         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3432         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3433         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3434         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3435         
3436 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3437             Hans-Peter Nilsson  <hp@axis.com>
3438
3439         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3440         Defined to describe availability and behavior of CLZ.
3441         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3442         * config/cris/cris.opt: Tweak comment for "-metrax4".
3443         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3444         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3445         (count_leading_zeros): Define.
3446
3447 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3448
3449         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3450
3451 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3452
3453         PR middle-end/33272
3454         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3455         decayed from array.
3456
3457 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3458
3459         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3460         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3461         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3462         sched-deps.c, sched-int.h, system.h, target.h,
3463         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3464         tree.def: Fix comment typos.
3465
3466 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3467
3468         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3469         (override_options): Turn on -mstrict-align on non-ColdFire
3470         targets.
3471         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3472
3473 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3474
3475         * c-common.c (const_strip_array_types): Delete.
3476         * c-common.h (const_strip_array_types): Likewise.
3477         * emit-rtl.c (const_next_insn, const_previous_insn,
3478         const_next_nonnote_insn, const_prev_nonnote_insn,
3479         const_next_real_insn, const_prev_real_insn,
3480         const_next_active_insn, const_prev_active_insn, const_next_label,
3481         const_prev_label): Delete.
3482         * gimple-low.c (block_may_fallthru): Use expr_last.
3483         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3484         * rtl.h (const_previous_insn, const_next_insn,
3485         const_prev_nonnote_insn, const_next_nonnote_insn,
3486         const_prev_real_insn, const_next_real_insn,
3487         const_prev_active_insn, const_next_active_insn, const_prev_label,
3488         const_next_label): Delete.
3489         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3490         * system.h (CONST_CAST): Update comment.
3491         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3492         (const_first_stmt, const_last_stmt): Delete.
3493         (tree_block_ends_with_condjump_p): Use last_stmt.
3494         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3495         * tree-iterator.c (const_expr_first, const_expr_last,
3496         const_expr_only): Delete.
3497         * tree.c (const_lookup_attribute): Likewise.
3498         (attribute_list_contained): Use lookup_attribute.
3499         * tree.h (const_lookup_attribute, const_expr_first,
3500         const_expr_last, const_expr_only): Delete.
3501
3502 2007-09-01  Richard Guenther  <rguenther@suse.de>
3503
3504         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3505         instead of TREE_THIS_VOLATILE.
3506         * tree-ssa-operands.c (add_virtual_operand): Do not set
3507         has_volatile_ops.  Do not check s_ann for NULL.
3508         (get_indirect_ref_operands): Likewise.
3509         (get_expr_operands): Likewise.  For all reference trees
3510         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3511         check base of reference for TREE_THIS_VOLATILE.
3512
3513 2007-09-01  Richard Guenther  <rguenther@suse.de>
3514
3515         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3516         between integral types.  Also allow conversions between
3517         pointer types.
3518
3519 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3520
3521         * optabs.c (prepare_float_lib_cmp): Use
3522         libgcc_cmp_return_mode instead of word_mode.
3523         * config/dfp-bit.h: Likewise.
3524         * config/fp-bit.h: Likewise.
3525         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3526         New function.
3527         (spu_libgcc_shift_count_mode): New function.
3528         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3529         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3530
3531 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3532
3533         * tree-pretty-print.c: Include output.h.
3534         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3535         HOST_WIDE_INT_PRINT_DEC.
3536         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3537
3538 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3539
3540         PR rtl-optimization/33224
3541         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3542         to the analysed region.
3543
3544 2007-08-31  Richard Guenther  <rguenther@suse.de>
3545
3546         * function.c (allocate_struct_function): Do not set
3547         current_function_returns_pointer.
3548         * function.h (struct var_refs_queue): Remove.
3549         (struct simple_obstack_stack): Likewise.
3550         (struct function): Remove fixup_var_refs_queue member.
3551         Remove returns_pointer flag.
3552         (current_function_returns_pointer): Remove define.
3553
3554 2007-08-31  Nick Clifton  <nickc@redhat.com>
3555
3556         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3557         secondary keys in order to obtain a stable sort.
3558
3559 2007-08-31  Nick Clifton  <nickc@redhat.com>
3560
3561         PR target/33132
3562         * config/m32r/constraints.md: Add W constraint for integer zero.
3563         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3564         Fix length calculation by using alternatives.
3565
3566 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3567
3568         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3569         split out from expand_binop.
3570         (avoid_expensive_constant): New function.
3571         (expand_binop_directly): Remove commutative_op argument and
3572         (expand_binop_directly): Remove commutative_op argument and
3573         call cummutative_optab_p instead.  Do not change op0 or op1
3574         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3575         to each argument after potential swapping.  Enforce the
3576         canonical order of commutative operands.
3577         (expand_binop): Use shift_optab_p and commutative_optab_p.
3578         Update the calls to expand_binop_directly.  Only force constants
3579         into registers when widening an operation.  Only swap operands
3580         once a direct expansion has been rejected.
3581         (expand_twoval_binop): Only force constants into registers when
3582         using a direct expansion.
3583
3584 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3585
3586         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3587         (sched_analyze_insn): Don't postprocess speculative dependencies when
3588         target has no scheduling.
3589         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3590         'uninitialized' warning.
3591
3592 2007-08-31  Richard Guenther  <rguenther@suse.de>
3593
3594         * tree.c (build_complex_type): Always set TYPE_NAME for
3595         comples types.
3596
3597 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3598
3599         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3600         internal macro. Default alignment factor for csect directives, chosen
3601         to match what BIGGEST_ALIGNMENT allows.
3602         (DATA_SECTION_ASM_OP): Use it.
3603         * config/rs6000/rs6000.c
3604         (rs6000_xcoff_output_readonly_section_asm_op):
3605         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3606         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3607         
3608 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3609
3610         * dbxout.c (dbxout_block): Move declaration within the first
3611         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3612         block to include the definition, together with the associated
3613         helpers.
3614
3615 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3616             Revital Eres  <eres@il.ibm.com>
3617
3618         * doc/invoke.texi (-mpaired): Document flag.
3619         * config.gcc: Include paired.h in powerpc extra_headers and
3620         750cl.h in powerpc-*-linux*paired*.
3621         * config/rs6000/rs6000.opt (-mpaired): New flag.
3622         * config/rs6000/rs6000.c (paired_init_builtins,
3623         paired_expand_builtin, paired_expand_lv_builtin,
3624         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3625         New functions to support the paired single builtin functions.
3626         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3627         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3628         single builtins.
3629         (bdesc_paired_preds): New structure for paired predicate
3630         instructions.
3631         (rs6000_expand_builtin): Expand paired single builtins.
3632         (rs6000_init_builtins): Init paired single builtins.
3633         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3634         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3635         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3636         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3637         (rs6000_vector_mode_supported_p): Support paired vector mode.
3638         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3639         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3640         New.
3641         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3642         (DATA_ALIGNMENT): Likewise.
3643         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3644         (rs6000_builtins): Add PAIRED builtins.
3645         * config/rs6000/rs6000.md: Include paired.md.
3646         * config/rs6000/paired.h: New.
3647         * config/rs6000/paired.md: New.
3648         * config/rs6000/750cl.h: New.
3649         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3650
3651 2007-08-30  Ollie Wild  <aaw@google.com>
3652
3653         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3654         * gcc.c (default_compilers): Add -fno-directives-only to
3655         @assembler-with-cpp.
3656
3657 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3658
3659         PR middle-end/33211
3660
3661         * regclass.c (initial_fixed_regs): Revert previous change and make
3662         it const again.
3663         (initial_call_used_regs): Likewise.
3664         (initial_call_really_used_regs): Delete, reverting previous addition.
3665         (initial_reg_names): Likewise.
3666         (init_reg_sets): Revert previous change.
3667         (saved_fixed_regs): New.
3668         (saved_call_used_regs): New.
3669         (saved_call_really_used_regs): New.
3670         (saved_reg_names): New.
3671         (save_register_info): New.
3672         (restore_register_info): New.
3673         (init_reg_sets_1): Replace reset of register info with call to
3674         restore_register_info.
3675         * rtl.h (save_register_info): Declare.
3676         * toplev.c (backend_init): Call save_register_info.
3677
3678 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3679
3680         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
3681         from the original statement.
3682
3683 2007-08-30  Chao-ying Fu  <fu@mips.com>
3684
3685         * c-lex.c (interpret_fixed): Declare.
3686         (interpret_float): Process _Fract and _Accum.
3687         (interpret_fixed): New function.
3688         * final.c (output_addr_const): Process CONST_FIXED.
3689         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
3690         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
3691         SS_DIV, US_DIV.
3692         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
3693         US_DIV, US_ASHIFT.
3694         (simplify_immed_subreg): Support CONST_FIXED.
3695         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
3696         (simplify_subreg): Support CONST_FIXED.
3697
3698 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3699
3700         * config/rs6000/ppu_intrinsics.h: New file.
3701         * config.gcc (powerpc*-*-* <extra_headers>): Install
3702         ppu_intrinsics.h.
3703
3704 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3705
3706         * cfg.c (dump_flow_info): Change to also print entry and exit
3707         block info.
3708         * print-rtl.c (print_rtl_single): Allow to print rtl with
3709         -fdump-unnumbered.
3710         
3711 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
3712
3713         * df-core.h (df_dump_region): New function.
3714         * df.h (df_dump_region): New function.
3715         * loop-invariant.c (find_defs): Add call to df_dump_region.
3716         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
3717         df_dump_region.
3718         
3719 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3720
3721         PR target/33168
3722         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
3723         true if any of the compare_section_name calls returned true,
3724         rather than if any returned false.
3725
3726 2007-08-30  Richard Guenther  <rguenther@suse.de>
3727
3728         PR tree-optimization/33199
3729         * tree-ssa-structalias.c (handle_lhs_call): New function.
3730         (find_func_aliases): In non-IPA mode make sure that for
3731         calls that return a pointer we add a constraint for the
3732         result to point to anything.
3733
3734 2007-08-30  Richard Guenther  <rguenther@suse.de>
3735
3736         * doc/invoke.texi (-mveclibabi): Document new target option.
3737         * config/i386/i386.opt (-mveclibabi): New target option.
3738         * config/i386/i386.c (ix86_veclib_handler): Handler for
3739         vectorization library support.
3740         (override_options): Handle the -mveclibabi option, initialize
3741         the vectorization library handler.
3742         (ix86_builtin_vectorized_function): As fallback call the
3743         vectorization library handler, if set.
3744         (ix86_veclibabi_acml): New static function for ACML ABI style
3745         vectorization support.
3746
3747 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
3748
3749         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
3750         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
3751         SImode and update m.  Don't run gen_lowpart_common on arbitrary
3752         memory address, force it to register first.
3753
3754         PR middle-end/32758
3755         * dce.c (dce_process_block): Don't delete setters of
3756         artificially used registers.
3757
3758 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3759
3760         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
3761         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
3762         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
3763
3764 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3765
3766         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
3767         pattern.
3768         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
3769         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
3770
3771 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3772
3773         * system.h: Activate -Wcast-qual as warning-only.
3774
3775 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
3776
3777         PR target/33168
3778         * config/rs6000/rs6000.c (compare_section_name): New function.
3779         (rs6000_elf_in_small_data_p): Compare section prefixes instead
3780         of full name.
3781
3782 2007-08-29  Olivier Hainque  <hainque@adacore.com>
3783
3784         * xcoffout.c: #include debug.h.
3785         * Makefile.in (xcoffout.o): Add debug.h dependency.
3786
3787 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
3788
3789         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3790         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
3791
3792 2007-08-29  Richard Guenther  <rguenther@suse.de>
3793
3794         * tree-pretty-print.c (dump_generic_node): Print
3795         label DECL_UID as D.%u.
3796         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
3797
3798 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3799
3800         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
3801         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
3802
3803 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
3804
3805         PR c++/33194
3806         * tree.c (build_type_attribute_qual_variant): Set canonical types
3807         on the final, unqualified attribute variant before building the
3808         qualified version.
3809
3810 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3811
3812         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
3813         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
3814
3815 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3816
3817         Revert
3818         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3819         * config/bfin/bfin.md (composev2hi): Put operands into vector
3820         with correct order.
3821
3822 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3823
3824         * config/bfin/bfin.md (composev2hi): Put operands into vector
3825         with correct order.
3826
3827 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
3828
3829         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
3830         attribute when appropriate.
3831         (bfin_handle_l1_text_attribute): New.
3832         (bfin_handle_l1_data_attribute): New.
3833         (bfin_attribute_table): Add attributes: l1_text, l1_data,
3834         l1_data_A and l1_data_B.
3835         * doc/extend.texi (node Function Attributes): Document l1_text
3836         function attribute.
3837         (Variable Attributes): Add Blackfin subsection. Document l1_data,
3838         l1_data_A and l1_data_B variable attributes.
3839
3840 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
3841
3842         * config/bfin/bfin.opt (minline-plt): Add.
3843         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
3844         call to global functions.
3845         * doc/invoke.texi (Option Summary): Mention -minline-plt.
3846         (Blackfin Options): Document -minline-plt.
3847
3848 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3849
3850         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
3851         given a non-function.
3852         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
3853
3854 2007-08-28  DJ Delorie  <dj@redhat.com>
3855
3856         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
3857
3858 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3859
3860         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
3861
3862 2007-08-28  Richard Guenther  <rguenther@suse.de>
3863
3864         * tree.h (struct tree_function_decl): Increase size of
3865         function_code bitfield.
3866
3867 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
3868             Kazu Hirata  <kazu@codesourcery.com>
3869
3870         * gcc/config/m68k/linux.h
3871         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
3872         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
3873         (m68k_return_in_memory): New.
3874         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
3875         New.
3876
3877 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
3878
3879         PR target/32661
3880         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
3881         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
3882         operand) when top VEC_SELECT extracts scalar element.
3883         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
3884         (*vec_extract_v4sf_mem): Ditto.
3885
3886 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
3887
3888         PR middle-end/32370
3889         * passes.c (init_optimization_passes): Move pass_df_finish
3890         after pass_postreload sublist.
3891
3892         PR rtl-optimization/33148
3893         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
3894         (neg (lt X 0)) if X has scalar int mode.
3895
3896         PR debug/32914
3897         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
3898         initializer, use build_vector_from_ctor if possible to create
3899         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
3900         even after this, return NULL.
3901
3902 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3903
3904         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
3905
3906 2007-08-28  Richard Guenther  <rguenther@suse.de>
3907
3908         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
3909         (struct tree_function_decl): Make function_code a bitfield.
3910         Add disregard_inline_limits flag.
3911         * cgraphunit.c (cgraph_process_new_functions): Check
3912         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
3913         (cgraph_preserve_function_body_p): Likewise.
3914         * ipa-inline.c (compute_inline_parameters): Likewise.
3915         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
3916         for GNU C extern inline functions.
3917         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
3918         * tree-inline.c (disregard_inline_limits_p): Remove.
3919         * tree-inline.h (disregard_inline_limits_p): Likewise.
3920         * c-common.c (handle_always_inline_attribute): Set
3921         DECL_DISREGARD_INLINE_LIMITS.
3922         * langhooks.c (add_builtin_function): Verify the function code
3923         fits in the bitfield.
3924
3925 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
3926             Vladimir Yanovsky  <yanov@il.ibm.com>
3927             Revital Eres  <eres@il.ibm.com>
3928             Andrey Belevantsev  <abel@ispras.ru>
3929
3930         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
3931         is set.
3932         * modulo-sched.c: Add documentation regarding do-loop.
3933         (doloop_register_get): Change number of arguments to support
3934         the new do-loop pattern and check whether COUNT_REG has no other
3935         occurences in the loop besides in the control part.
3936         (duplicate_insns_of_cycles): Do not duplicate the insn which
3937         changes count_reg as it is already adjusted.
3938         (generate_prolog_epilog): New argument to support the new
3939         do-loop pattern.  Change the subtract instruction to use
3940         expand_simple_binop.  Call duplicate_insns_of_cycles with new
3941         argument.
3942         (sms_schedule): Call doloop_register_get and
3943         generate_prolog_epilog with new argument.  Do not handle loops
3944         with single sets insns with subreg in their lhs.
3945         * loop-doloop.c (doloop_optimize): Support for another do-loop
3946         pattern.
3947         (doloop_condition_get): Gets an instruction instead of a pattern
3948         and change the return condition when the do-loop pattern is
3949         not parallel.
3950         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
3951         deps when considering to not create edges.
3952
3953 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
3954
3955         * doc/extend.texi (gnu_inline funtion attribute): Document C++
3956         behavior.
3957
3958 2007-08-27  Jason Merrill  <jason@redhat.com>
3959
3960         PR c++/31337
3961         * gimplify.c (gimplify_modify_expr): Discard the assignment of 
3962         zero-sized types after calling gimplify_modify_expr_rhs.
3963
3964 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3965
3966         * regclass.c (init_reg_autoinc): Fix typo.
3967
3968 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
3969         
3970         Fix PR tree-optimization/33173
3971         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
3972
3973 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
3974
3975         PR target/31385
3976         * config/i386/i386.h (VALID_DFP_MODE_P): New.
3977         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
3978         GPR.
3979
3980 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
3981             David Ung  <davidu@mips.com>
3982             Nigel Stephens <nigel@mips.com>
3983
3984         Separate target-specific initialization from general
3985         back-end initialization.
3986
3987         * toplev.c (init_alignments): New, split out from...
3988         (process_options): ...here.
3989         (backend_init_target): New, split out from...
3990         (backend_init): ...here.
3991         (lang_dependent_init_target): New, split out from...
3992         (lang_dependent_init): ...here.
3993         (target_reinit): New.
3994         * toplev.h (target_reinit): Declare.
3995         * expr.c (init_expr_target): Renamed from init_expr_once, since it
3996         now can be called more than once.  Update comments.
3997         * expr.h (init_expr_target): Likewise.
3998         * alias.c (init_alias_target): Renamed from init_alias_once, since it
3999         now can be called more than once.  Explicitly zero
4000         static_reg_base_value.
4001         * emit-rtl.c (init_emit_regs): New, split out from...
4002         (init_emit_once): Here.
4003         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4004         non-const, so that changes from command-line arguments can overwrite
4005         values provided by the static initializers.
4006         (initial_call_really_used_regs): New, used similarly to the above.
4007         (initial_reg_names): Likewise.
4008         (last_mode_for_init_move_cost): Promoted function-local static to
4009         file-scope static to make it accessible outside init_move_cost.
4010         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4011         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4012         reg_names since it is needed for parsing command-line options.
4013         (init_move_cost): Use last_mode_for_init_move_cost instead of
4014         function-local static.
4015         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4016         call_really_used_regs now.  Reinitialize reg_names.  Also
4017         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4018         reg_class_superunion.  Clear losing_caller_save_reg_set.
4019         Preserve global registers if called more than once.  Reset
4020         move cost, may_move_in_cost, may_move_out_cost, and
4021         last_mode_for_init_move_cost.
4022         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4023         can now be invoked more than once.  Update comments.
4024         (init_regs): Update comments.
4025         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4026         and initial_call_really_used_regs, instead of the non-initial 
4027         variables.  This allows us to save the command-line register settings
4028         after target reinitialization.
4029         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4030         * rtl.h (init_emit_regs): Declare.
4031         (init_reg_modes_target, init_alias_target): Renamed as described
4032         above.
4033         * reload1.c (init_reload): Update comments.
4034         * optabs.c (init_optabs): Likewise.
4035         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4036         
4037 2007-08-26  Chao-ying Fu  <fu@mips.com>
4038
4039         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4040         __typeof().
4041
4042 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4043
4044         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4045         Constify.
4046         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4047         Likewise.
4048         * bb-reorder.c (copy_bb_p): Likewise.
4049         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4050         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4051         block_ends_with_condjump_p): Likewise.
4052         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4053         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4054         block_ends_with_condjump_p): Likewise.
4055         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4056         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4057         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4058         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4059         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4060         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4061         debug_true_const_tree instad of debug_true_tree.
4062         * debug.c (do_nothing_debug_hooks): Likewise.
4063         * debug.h (ignore_block, debug_true_const_tree): Constify.
4064         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4065         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4066         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4067         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4068         dbx_reg_number, is_based_loc, field_type,
4069         simple_type_align_in_bits, simple_decl_align_in_bits,
4070         simple_type_size_in_bits, field_byte_offset, insert_float,
4071         type_tag, member_declared_type, is_redundant_typedef,
4072         secname_for_decl, is_inlined_entry_point): Likewise.
4073         * emit-rtl.c (const_next_insn, const_previous_insn,
4074         const_next_nonnote_insn, const_prev_nonnote_insn,
4075         const_next_real_insn, const_prev_real_insn,
4076         const_next_active_insn, const_prev_active_insn, const_next_label,
4077         const_prev_label): Likewise.
4078         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4079         Likewise.
4080         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4081         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4082         sched_insn_is_legitimate_for_speculation_p): Likewise.
4083         * jump.c (reversed_comparison_code_parts,
4084         reversed_comparison_code, reversed_comparison, condjump_label):
4085         Likewise.
4086         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4087         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4088         Likewise.
4089         * rtl.h (const_previous_insn, const_next_insn,
4090         const_prev_nonnote_insn, const_next_nonnote_insn,
4091         const_prev_real_insn, const_next_real_insn,
4092         const_prev_active_insn, const_next_active_insn, const_prev_label,
4093         const_next_label, modified_between_p, modified_in_p,
4094         const_note_storeskeep_with_call_p, condjump_label,
4095         reversed_comparison, reversed_comparison_code,
4096         reversed_comparison_code_parts, memory_modified_in_insn_p,
4097         stack_regs_mentioned): Likewise.
4098         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4099         keep_with_call_p): Likewise.
4100         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4101         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4102         sd_lists_size, sd_lists_empty_p): Likewise.
4103         * sched-int.h (sched_insns_conditions_mutex_p,
4104         haifa_classify_insn, no_real_insns_p,
4105         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4106         sd_lists_size, sd_lists_empty_p): Likewise.
4107         * sdbout.c (sdb_debug_hooks): Likewise.
4108         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4109         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4110         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4111         Likewise.
4112         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4113         tree_can_throw_internal): Likewise.
4114         * tree-flow-inline.h (phi_nodes): Likewise.
4115         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4116         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4117         * tree-gimple.c (const_get_call_expr_in): Likewise.
4118         * tree-gimple.h (const_get_call_expr_in): Likewise.
4119         * tree.c (const_lookup_attribute, attribute_list_equal,
4120         attribute_list_contained): Likewise.
4121         * tree.h (attribute_list_equal, attribute_list_contained,
4122         const_lookup_attribute): Likewise.
4123         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4124
4125 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4126
4127         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4128         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4129
4130 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4131
4132         PR target/32991
4133         * config/alpha/constraints.md: Delete "svn:mime-type" property
4134         with svn propdel "svn:mime-type".
4135
4136 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4137
4138         PR middle-end/33181
4139         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4140         non NOTE insn doesn't cross basic block.
4141         (noce_try_abs): Likewise.
4142         (noce_process_if_block): Likewise.
4143
4144 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4145
4146         PR target/33151
4147         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4148         operand without auto-inc-dec.
4149         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4150         offsettable_mem_operand.
4151         (floatunssidf2_internal): Same.
4152         (fix_truncdfsi2_internal): Same.
4153         (floatsidf_ppc64): Same.
4154         (floatunssidf_ppc64): Same.
4155         (fix_trunctfsi2_internal): Same.
4156
4157 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4158
4159         PR bootstrap/30620
4160         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4161         pass defines needed for version.c.
4162
4163 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4164
4165         * configure.ac (--debug-prefix-map check): Change assembler
4166         version presumed to have feature to 2.18.
4167         * configure: Regenerate.
4168
4169 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4170
4171         * c-common.c (vector_types_convertible_p,
4172         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4173         self_promoting_args_p): Constify.
4174         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4175         c_promoting_integer_type_p, self_promoting_args_p,
4176         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4177         * c-decl.c (anon_aggr_type_p): Likewise.
4178         * * c-dump.c (dump_stmt): Likewise.
4179         * c-objc-common.c (has_c_linkage): Likewise.
4180         * c-tree.h (same_translation_unit_p): Likewise.
4181         * c-typeck.c (null_pointer_constant_p,
4182         tagged_types_tu_compatible_p, function_types_compatible_p,
4183         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4184         comptypes_internal, struct tagged_tu_seen_cache,
4185         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4186         c_size_in_bytes): Likewise.
4187         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4188         hash_ptr, eq_ptr): Likewise.
4189         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4190         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4191         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4192         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4193         Likewise.
4194         * optabs.c (optab_for_tree_code): Likewise.
4195         * optabs.h (optab_for_tree_code): Likewise.
4196         * rtl.h (simplify_rtx): Likewise.
4197         * simplify-rtx.c (simplify_rtx): Likewise.
4198         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4199         dump_flag, dump_node): Likewise.
4200         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4201         queue_and_dump_type, dump_flag): Likewise.
4202         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4203         * tree-pass.h (dump_node): Likewise.
4204         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4205         supportable_narrowing_operation): Likewise.
4206         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4207         supportable_narrowing_operation): Likewise.
4208         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4209         is_negative_overflow_infinity, is_positive_overflow_infinity,
4210         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4211         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4212         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4213         ssa_name_nonzero_p, fp_predicate): Likewise.
4214         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4215         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4216         ssa_name_nonnegative_p): Likewise.
4217
4218 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4219
4220         * config.gcc : Add x86_64-elf target.
4221
4222 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4223
4224         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4225
4226 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4227             Nigel Stephens <nigel@mips.com>
4228
4229         PR target/11787
4230
4231         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4232         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4233         * expr.c (SET_BY_PIECES_P): Define.
4234         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4235         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4236         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4237         store_by_pieces.
4238         * expr.h (SET_RATIO): Define.
4239         (can_store_by_pieces, store_by_pieces): Update prototypes.
4240         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4241         can_store_by_pieces/store_by_pieces.
4242         (expand_builtin_memcpy_args): Likewise.
4243         (expand_builtin_strncpy): Likewise.
4244         (expand_builtin_memset_args): Likewise.  Also remove special case
4245         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4246         decide what to do instead.
4247         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4248         to can_store_by_pieces.
4249
4250         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4251         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4252
4253         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4254         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4255         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4256         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4257         (STORE_BY_PIECES_P): Define.
4258
4259 2007-08-24  Tom Tromey  <tromey@redhat.com>
4260
4261         * varpool.c (varpool_last_needed_node): Fix comment typo.
4262         * c-decl.c (duplicate_decls): Fix comment typo.
4263         (clone_underlying_type): Update comment.
4264
4265 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4266
4267         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4268         alpha_in_small_data_p, alpha_split_complex_arg,
4269         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4270         Constify.
4271         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4272         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4273         Likewise.
4274         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4275         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4276         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4277         * config/darwin.c (darwin_binds_local_p): Likewise.
4278         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4279         Likewise.
4280         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4281         i386_pe_valid_dllimport_attribute_p): Likewise.
4282         * config/i386/i386.c (ix86_function_regparm,
4283         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4284         x86_can_output_mi_thunk, ix86_mangle_type,
4285         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4286         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4287         i386_pe_binds_local_p): Likewise.
4288         * config/ia64/ia64.c
4289         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4290         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4291         ia64_invalid_conversion, ia64_invalid_unary_op,
4292         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4293         Likewise.
4294         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4295         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4296         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4297         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4298         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4299         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4300         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4301         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4302         * config/pa/pa.c (pa_commutative_p): Likewise.
4303         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4304         Likewise.
4305         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4306         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4307         rs6000_use_blocks_for_constant_p,
4308         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4309         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4310         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4311         * config/s390/s390.c (s390_mangle_type,
4312         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4313         Likewise.
4314         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4315         th_in_small_data_p): Likewise.
4316         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4317         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4318         Likewise.
4319         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4320         sparc_mangle_type): Likewise.
4321         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4322         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4323         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4324         Likewise.
4325         * hooks.c (hook_bool_mode_const_rtx_false,
4326         hook_bool_mode_const_rtx_true,
4327         hook_bool_const_tree_hwi_hwi_const_tree_false,
4328         hook_bool_const_tree_hwi_hwi_const_tree_true,
4329         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4330         hook_constcharptr_const_tree_null,
4331         hook_constcharptr_const_rtx_null,
4332         hook_constcharptr_const_tree_const_tree_null,
4333         hook_constcharptr_int_const_tree_null,
4334         hook_constcharptr_int_const_tree_const_tree_null): New.
4335         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4336         hook_bool_tree_hwi_hwi_tree_false,
4337         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4338         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4339         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4340         hook_constcharptr_int_tree_null,
4341         hook_constcharptr_int_tree_tree_null): Delete.
4342         (default_can_output_mi_thunk_no_vcall): Constify.
4343         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4344         hook_bool_tree_hwi_hwi_tree_false,
4345         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4346         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4347         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4348         hook_constcharptr_int_tree_null,
4349         hook_constcharptr_int_tree_tree_null): Delete.
4350         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4351         hook_bool_const_tree_hwi_hwi_const_tree_false,
4352         hook_bool_const_tree_hwi_hwi_const_tree_true,
4353         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4354         hook_constcharptr_const_tree_null,
4355         hook_constcharptr_const_rtx_null,
4356         hook_constcharptr_const_tree_const_tree_null,
4357         hook_constcharptr_int_const_tree_null,
4358         hook_constcharptr_int_const_tree_const_tree_null): New.
4359         (default_can_output_mi_thunk_no_vcall): Constify.
4360         * integrate.c (function_attribute_inlinable_p): Likewise.
4361         * integrate.h (function_attribute_inlinable_p): Likewise.
4362         * jump.c (rtx_renumbered_equal_p): Likewise.
4363         * output.h (decl_readonly_section, categorize_decl_for_section,
4364         default_use_anchors_for_symbol_p, default_binds_local_p,
4365         default_binds_local_p_1): Likewise.
4366         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4367         Likewise.
4368         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4369         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4370         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4371         TARGET_COMP_TYPE_ATTRIBUTES,
4372         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4373         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4374         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4375         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4376         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4377         * target.h (can_output_mi_thunk, needs_block_p,
4378         first_cycle_multipass_dfa_lookahead_guard_spec,
4379         vector_alignment_reachable, comp_type_attributes,
4380         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4381         commutative_p, use_blocks_for_constant_p,
4382         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4383         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4384         invalid_within_doloop, valid_dllimport_attribute_p,
4385         split_complex_arg, invalid_arg_for_unprototyped_fn,
4386         invalid_conversion, invalid_unary_op, invalid_binary_op):
4387         Likewise.
4388         * targhooks.c (default_invalid_within_doloop,
4389         hook_invalid_arg_for_unprototyped_fn,
4390         default_builtin_vector_alignment_reachable): Likewise.
4391         (hook_bool_rtx_commutative_p): Delete.
4392         (hook_bool_const_rtx_commutative_p): New.
4393         * targhooks.h (default_invalid_within_doloop,
4394         default_builtin_vector_alignment_reachable,
4395         hook_invalid_arg_for_unprototyped_fn): Constify.
4396         (hook_bool_rtx_commutative_p): Delete.
4397         (hook_bool_const_rtx_commutative_p): New.
4398         * varasm.c (bss_initializer_p, decl_default_tls_model,
4399         categorize_decl_for_section, decl_readonly_section,
4400         default_use_anchors_for_symbol_p, default_binds_local_p,
4401         default_binds_local_p_1): Constify.
4402
4403 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4404
4405         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4406         __NO_BUILTIN if -fno-builtin.
4407
4408 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4409
4410         * config/bfin/bfin.c (print_operand): Report error instead of
4411         ICE for wrong operand.
4412
4413 2007-08-24  Michael Matz  <matz@suse.de>
4414
4415         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4416
4417 2007-08-24  Richard Guenther  <rguenther@suse.de>
4418
4419         PR middle-end/33166
4420         * tree-ssa.c (useless_type_conversion_p): Split into a
4421         recursive and a non-recursive part.
4422         (useless_type_conversion_p_1): New function.
4423         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4424         from maybe_fold_offset_to_reference is trivially convertible
4425         to the desired type before doing the simplification.
4426
4427 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4428
4429         * expr.c (store_expr): Optimize initialization of an array
4430         with STRING_CST.
4431         * expr.h (builtin_strncpy_read_str): New prototype.
4432         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4433         No longer static.
4434
4435 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4436
4437         PR middle-end/33157
4438         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4439         field when initializing if_info structure.
4440
4441 2007-08-24  Richard Guenther  <rguenther@suse.de>
4442
4443         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4444         dependencies.
4445         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4446         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4447         * tree-inline.c (inlinable_function_p): Fold in common parts of
4448         the cannot_inline_tree_fn langhook.
4449         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4450         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4451         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4452         cannot_inline_tree_fn langhook.
4453         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4454         cannot_inline_tree_fn member.
4455
4456 2007-08-24  Richard Guenther  <rguenther@suse.de>
4457
4458         * expr.c (get_inner_reference): Do computation of bitoffset
4459         from offset in a way we can detect overflow reliably.
4460
4461 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4462
4463         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4464
4465 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4466
4467         * config/bfin/bfin.opt (mfast-fp): Add.
4468         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4469         libbffastfp override libgcc if -mfast-fp.
4470         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4471         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4472         (Blackfin Options): Document -mfast-fp.
4473
4474 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4475
4476         PR tree-optimization/32573
4477         PR middle-end/32946
4478         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4479         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4480         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4481         (build_classic_dist_vector): Return false rather than true if
4482         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4483         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4484         returned false.  Don't call save_dist_v before calling
4485         build_classic_dist_vector_1.
4486         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4487         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4488         DDR_DIR_VECTS vectors.
4489
4490 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4491
4492         * configure.ac (leb128): Modify sed statement to work with any
4493         binutils version string.
4494         * configure: Regenerate
4495
4496 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4497
4498         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4499         Wrap in RTX_CODE macro guard.
4500         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4501         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4502         arm_mark_dllimport, arm_pe_encode_section_info,
4503         arm_pe_unique_section): Use ISO-C function declarations.
4504         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4505         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4506         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4507         Likewise.
4508         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4509         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4510         defining.
4511         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4512         warnings.
4513         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4514         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4515         (register_move_cost): Use ISO-C function declarations.
4516         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4517         * config/score/score-protos.h (score_declare_object): Add
4518         ATTRIBUTE_PRINTF_4.
4519         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4520         warnings.
4521         * final.c (profile_function): Avoid empty if-bodies.
4522         
4523         
4524         * calls.c (must_pass_in_stack_var_size,
4525         must_pass_in_stack_var_size_or_pad): Constify.
4526         * config/alpha/alpha-protos.h (function_value): Likewise.
4527         * config/alpha/alpha.c (alpha_return_in_memory,
4528         alpha_pass_by_reference, function_value,
4529         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4530         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4531         Likewise.
4532         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4533         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4534         TARGET_PROMOTE_PROTOTYPES): Likewise.
4535         * config/arm/arm-protos.h (arm_return_in_memory,
4536         arm_pad_arg_upward, arm_function_value): Likewise.
4537         * config/arm/arm.c (arm_pass_by_reference,
4538         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4539         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4540         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4541         Likewise.
4542         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4543         * config/avr/avr-protos.h (avr_function_value): Likewise.
4544         * config/avr/avr.c (avr_return_in_memory,
4545         gas_output_limited_string, gas_output_ascii, avr_function_value,
4546         avr_return_in_memory): Likewise.
4547         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4548         * config/bfin/bfin.c (bfin_pass_by_reference,
4549         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4550         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4551         Likewise.
4552         * config/cris/cris.c (cris_pass_by_reference,
4553         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4554         * config/crx/crx.c (crx_return_in_memory): Likewise.
4555         * config/darwin.c (function_base, machopic_function_base_name):
4556         Likewise.
4557         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4558         TARGET_PROMOTE_PROTOTYPES): Likewise.
4559         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4560         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4561         * config/i386/i386-protos.h (ix86_return_in_memory,
4562         ix86_sol10_return_in_memory): Likewise.
4563         * config/i386/i386.c (ix86_function_value,
4564         ix86_function_sseregparm, ix86_must_pass_in_stack,
4565         type_natural_mode, classify_argument, examine_argument,
4566         construct_container, ix86_pass_by_reference, function_value_32,
4567         function_value_64, ix86_function_value_1, return_in_memory_32,
4568         return_in_memory_64, return_in_memory_ms_64,
4569         ix86_return_in_memory, ix86_sol10_return_in_memory,
4570         TARGET_PROMOTE_PROTOTYPES): Likewise.
4571         * config/ia64/ia64-protos.h (ia64_function_value,
4572         ia64_hpux_function_arg_padding): Likewise.
4573         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4574         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4575         ia64_hpux_function_arg_padding): Likewise.
4576         * config/iq2000/iq2000-protos.h (function_arg,
4577         iq2000_function_value): Likewise.
4578         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4579         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4580         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4581         function_arg, iq2000_function_value): Likewise.
4582         * config/m32c/m32c-protos.h (m32c_function_value,
4583         m32c_promote_function_return): Likewise.
4584         * config/m32c/m32c.c (m32c_pass_by_reference,
4585         m32c_promote_prototypes, m32c_promote_function_return,
4586         m32c_function_value): Likewise.
4587         * config/m32r/m32r.c (m32r_return_in_memory,
4588         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4589         m32r_in_small_data_p): Likewise.
4590         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4591         Likewise.
4592         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4593         m68hc11_function_arg_padding): Likewise.
4594         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4595         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4596         m68k_function_value): Likewise.
4597         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4598         mcore_function_value): Likewise.
4599         * config/mcore/mcore.c (handle_structs_in_regs,
4600         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4601         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4602         mcore_num_arg_regs, mcore_function_value): Likewise.
4603         * config/mips/mips-protos.h (mips_pad_arg_upward,
4604         mips_function_value): Likewise.
4605         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4606         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4607         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4608         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4609         mips_function_value): Likewise.
4610         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4611         Likewise.
4612         * config/mmix/mmix.c (mmix_pass_by_reference,
4613         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4614         mmix_encode_section_info): Likewise.
4615         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4616         Likewise.
4617         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4618         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4619         mn10300_function_value): Likewise.
4620         * config/mt/mt-protos.h (mt_function_value): Likewise.
4621         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4622         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4623         * config/pa/pa-protos.h (function_arg_padding, function_value,
4624         pa_return_in_memory): Likewise.
4625         * config/pa/pa.c (pa_pass_by_reference,
4626         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4627         function_arg_padding, function_value, pa_return_in_memory):
4628         Likewise.
4629         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4630         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4631         function_arg_padding): Likewise.
4632         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4633         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4634         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4635         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4636         function_arg_padding, altivec_expand_dst_builtin,
4637         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4638         altivec_init_builtins, rs6000_common_init_builtins,
4639         rs6000_function_value): Likewise.
4640         * s390/s390-protos.h (s390_function_value): Likewise.
4641         * config/s390/s390.c (s390_function_arg_size,
4642         s390_pass_by_reference, s390_return_in_memory,
4643         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4644         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4645         * config/score/score-protos.h (score_function_value): Likewise.
4646         * config/score/score.c (score_arg_partial_bytes,
4647         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4648         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4649         score_pass_by_reference, score_add_offset, score_function_value):
4650         Likewise.
4651         * config/sh/sh-protos.h (sh_attr_renesas_p,
4652         sh_promote_prototypes): Likewise.
4653         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4654         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4655         sh_attr_renesas_p): Likewise.
4656         * config/sparc/sparc-protos.h (function_value,
4657         function_arg_padding): Likewise.
4658         * config/sparc/sparc.c (sparc_promote_prototypes,
4659         sparc_return_in_memory, sparc_pass_by_reference,
4660         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4661         function_arg_record_value_2, function_arg_record_value_1,
4662         function_arg_record_value, function_arg_record_value,
4663         function_arg_padding, function_value): Likewise.
4664         * config/spu/spu-protos.h (spu_function_value): Likewise.
4665         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4666         spu_function_value): Likewise.
4667         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4668         Likewise.
4669         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4670         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4671         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4672         Likewise.
4673         * config/v850/v850.c (v850_return_in_memory,
4674         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4675         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4676         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4677         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4678         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4679         Likewise.
4680         * explow.c (promote_mode, hard_function_value): Likewise.
4681         * expr.h (hard_function_value, promote_mode): Likewise.
4682         * function.c (aggregate_value_p): Likewise.
4683         * hooks.c (hook_bool_const_tree_true): New.
4684         * hooks.h (hook_bool_const_tree_true): New.
4685         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
4686         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
4687         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4688         TARGET_RETURN_IN_MSB): Likewise.
4689         * target.h (promote_function_args, promote_function_return,
4690         promote_prototypes, return_in_memory, return_in_msb,
4691         pass_by_reference, must_pass_in_stack, callee_copies,
4692         function_value): Likewise.
4693         * targhooks.c (default_return_in_memory,
4694         hook_pass_by_reference_must_pass_in_stack,
4695         hook_callee_copies_named,
4696         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4697         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4698         default_function_value): Likewise. 
4699         * targhooks.h (default_return_in_memory,
4700         hook_pass_by_reference_must_pass_in_stack,
4701         hook_callee_copies_named,
4702         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
4703         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
4704         default_function_value): Likewise.
4705         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
4706         (equiv_class_label_hash, equiv_class_label_eq): Constify.
4707         * tree-vectorizer.c (bb_in_loop_p): Likewise.
4708         * tree.c (needs_to_live_in_memory): Likewise.
4709         * tree.h (struct tree_type, needs_to_live_in_memory,
4710         aggregate_value_p, must_pass_in_stack_var_size,
4711         must_pass_in_stack_var_size_or_pad): Likewise.
4712         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
4713         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
4714         lookup_filename): Likewise.
4715
4716 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4717
4718         PR target/17390
4719         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
4720         fake fcomi i387 instruction for !TARGET_CMOVE.
4721         (ix86_expand_branch): Expand natural sequence with one jump for
4722         all targets, not only TARGET_CMOVE.
4723         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
4724         pattern to implement fake fcomi sequence.  Split instruction after
4725         reload to correct compare sequences.
4726         (*cmpfp_xf_cc): Ditto.
4727         (*cmpfp_<mode>_cc): Ditto.
4728         (*cmpfp_u_cc): Ditto.
4729         (*cmpfp_<mode>_cc): Ditto.
4730
4731 2007-08-23  Richard Guenther  <rguenther@suse.de>
4732
4733         * tree-pretty-print.c (dump_generic_node): Annotate
4734         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
4735
4736 2007-08-23  Richard Guenther  <rguenther@suse.de>
4737
4738         * builtins.c (expand_builtin_mathfn): Wrap argument in
4739         save_expr directly instead of re-building the call.
4740         (expand_builtin_mathfn_2): Likewise.
4741         (expand_builtin_mathfn_3): Likewise.
4742         (expand_builtin_interclass_mathfn): Likewise.
4743         (expand_builtin_int_roundingfn): Set arg.
4744         (expand_builtin_int_roundingfn_2): Likewise.
4745
4746 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
4747
4748         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
4749         *sse_nand<mode>3, *sse_xor<mode>3): New.
4750
4751 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
4752
4753         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
4754         * config/i386/i386.c (print_operand): Handle ';' code.  Output
4755         semicolon for TARGET_MACHO.
4756         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
4757         emit semicolon after 'lock' prefix.
4758         (sync_double_compare_and_swap<mode>): Ditto.
4759         (*sync_double_compare_and_swapdi_pic): Ditto.
4760         (*sync_compare_and_swap_cc<mode>): Ditto.
4761         (sync_double_compare_and_swap_cc<mode>): Ditto.
4762         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
4763         (sync_old_add<mode>): Ditto.
4764         (sync_add<mode>): Ditto.
4765         (sync_sub<mode>): Ditto.
4766         (sync_ior<mode>): Ditto.
4767         (sync_and<mode>): Ditto.
4768         (sync_xor<mode>): Ditto.
4769
4770 2007-08-22  Chao-ying Fu  <fu@mips.com>
4771
4772         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
4773         in DEF_RTL_EXPR.
4774         (copy_rtx): Handle CONST_FIXED.
4775         (rtx_equal_p): Likewise.
4776         * rtl.h (fixed_value.h): New include.
4777         (rtx_def): Add a new field of fixed_value to u.
4778         (XCNMPFV): Define for accessing fixed_value.
4779         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
4780         Define.
4781         * rtl.def (CONST_FIXED): New constant.
4782         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
4783         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
4784         US_ASHIFT): New codes.
4785         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
4786         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
4787         unsigned_fract_convert, unsigned_sat_fract): Document them.
4788         * varasm.c (assemble_integer): Extend to support fixed-point constants
4789         by using different machine classes.
4790         (decode_addr_const): Handle FIXED_CST.
4791         (const_hash_1): Likewise.
4792         (compare_constant): Likewise.
4793         (copy_constant): Likewise.
4794         (const_rtx_hash_1): Handle CONST_FIXED.
4795         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
4796         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
4797         MODE_VECTOR_UACCUM.
4798         (initializer_constant_valid_p): Handle FIXED_CST.
4799         (output_constant): Support FIXED_POINT_TYPE.
4800         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
4801         * cse.c (hash_rtx): Support CONST_FIXED.
4802         (exp_equiv_p): Likewise.
4803         (cannon_reg): Likewise.
4804         (fold_rtx): Likewise.
4805         (equiv_constant): Likewise.
4806         (cse_process_notes_1): Likewise.
4807         (count_reg_usage): Likewise.
4808         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
4809         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
4810         (wrap_constant): Check CONST_FIXED.
4811         (cselib_hash_rtx): Support CONST_FIXED.
4812         (cselib_subst_to_values): Likewise.
4813         * df-scan.c (df_uses_record): Likewise.
4814         * gcse.c (want_to_gcse_p): Likewise.
4815         (oprs_unchanged_p): Likewise.
4816         (oprs_not_set_p): Likewise.
4817         (compute_transp): Likewise.
4818         (extract_mentioned_regs_helper): Likewise.
4819         * genemit.c (gen_exp): Likewise.
4820         * local-alloc.c (equiv_init_varies_p): Likewise.
4821         (contains_replace_regs): Likewise.
4822         (memref_referenced_p): Likewise.
4823         * loop-invariant.c (check_maybe_invariant): Likewise.
4824         (hash_invariant_expr_1): Likewise.
4825         (invariant_expr_equal_p): Likewise.
4826         * postreload-gcse.c (oprs_unchanged_p): Likewise.
4827         * regclass.c (reg_scan_mark_refs): Likewise.
4828         * regrename.c (scan_rtx): Likewise.
4829         * resource.c (mark_referenced_resources): Likewise.
4830         (mark_set_resources): Likewise.
4831         * rtlanal.c (rtx_unstable_p): Likewise.
4832         (rtx_varies_p): Likewise.
4833         (count_occurrences): Likewise.
4834         (reg_mentioned_p): Likewise.
4835         (modified_between_p): Likewise.
4836         (modified_in_p): Likewise.
4837         (volatile_insn_p): Likewise.
4838         (volatile_refs_p): Likewise.
4839         (side_effects_p): Likewise.
4840         (may_trap_p_1): Likewise.
4841         (inequality_comparisons_p): Likewise.
4842         (computed_jump_p_1): Likewise.
4843         (commutative_operand_precedence): Likewise.
4844         * sched-deps.c (sched_analyze_2): Likewise.
4845         * sched-vis.c (print_value): Likewise.
4846         * reload.c (operands_match_p): Likewise.
4847         (subst_reg_equivs): Likewise.
4848         * reload1.c (eliminate_regs_1): Likewise.
4849         (elimination_effects): Likewise.
4850         (scan_paradoxical_subregs): Likewise.
4851         * alias.c (rtx_equal_for_memref_p): Likewise.
4852         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
4853         * emit-rtl.c (const_fixed_htab): New hash table.
4854         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
4855         Declare.
4856         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
4857         const_fixed_from_fixed_value): New functions.
4858         (verify_rtx_sharing): Handle CONST_FIXED.
4859         (copy_rtx_if_shared_1): Likewise.
4860         (reset_used_flags): Likewise.
4861         (set_used_flags): Likewise.
4862         (copy_insn_1): Likewise.
4863         (init_emit_once): Create const_fixed_htab.
4864         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
4865
4866 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
4867
4868         PR tree-optimization/32949
4869         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
4870         before failing for ivs with non-constant step.
4871
4872 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
4873
4874         * doc/md.texi (Iterators): Renamed from Macros.  All contents
4875         changed to reflect rename of respectively define_code_macro and
4876         define_mode_macro to define_code_iterator and define_mode_iterator.
4877         (Mode Iterators, Code Iterators): Similar.
4878         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
4879         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
4880         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
4881         (initialize_iterators, find_iterator, check_code_iterator)
4882         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
4883         (read_mapping, read_rtx_1): Similar.
4884         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
4885         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
4886         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
4887         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
4888         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
4889         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
4890         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
4891         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
4892         config/rs6000/sync.md, config/rs6000/rs6000.md,
4893         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
4894         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
4895         config/vax/vax.md, config/bfin/bfin.md: Similar.
4896
4897 2007-08-22  David Daney  <ddaney@avtrex.com>
4898
4899         * doc/install.texi (Testing): Mention testing on a simulator.
4900
4901 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
4902
4903         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
4904
4905         * doc/libgcc.texi (Decimal float library routines): Fix formatting
4906         and rearrange floating point conversion functions into different
4907         categories.
4908
4909 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
4910
4911         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
4912         dfa_post_advance_cycle): New scheduler hooks.
4913         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4914         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
4915         new hooks.
4916         (TARGET_SCHED): Use them.
4917         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
4918         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
4919         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
4920
4921         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
4922         function to facilitate debugging.
4923         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
4924         (output_insn_has_dfa_reservation_p): New static function to output
4925         insn_has_dfa_reservation_p ().
4926         (write_automata): Use it.
4927         * genattr.c (main): Output declaration for
4928         insn_has_dfa_reservation_p ().
4929
4930 2007-08-22  Christian Bruel  <christian.bruel@st.com>   
4931             Richard Guenther <rguenther@suse.de>
4932         
4933         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
4934         * simplify_rtx (simplify_binary_operation_1): Likewise.
4935                 
4936 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
4937
4938         PR rtl-optimization/32557
4939         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
4940         of REGNO (mws->mw_reg).
4941
4942 2007-08-22  Richard Guenther  <rguenther@suse.de>
4943
4944         PR middle-end/33007
4945         * builtins.c (expand_builtin_int_roundingfn): Replace call
4946         argument wrapped with SAVE_EXPR directly.
4947         (expand_builtin_int_roundingfn_2): Likewise.
4948
4949 2007-08-22  Richard Guenther  <rguenther@suse.de>
4950
4951         * tree-inline.c (inlinable_function_p): Restore disregarding
4952         inline limits for GNU extern inline functions.
4953
4954 2007-08-22  Richard Guenther  <rguenther@suse.de>
4955
4956         PR middle-end/32563
4957         * tree.c (host_integerp): Treat sizetype as signed as it is
4958         sign-extended.
4959
4960 2007-08-21  Ian Lance Taylor  <iant@google.com>
4961
4962         PR tree-optimization/33134
4963         * tree-vrp.c (adjust_range_with_scev): Call
4964         set_value_range_to_value.
4965
4966 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4967
4968         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
4969         prototype.
4970         
4971 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
4972
4973         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
4974         whitespace.
4975
4976 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
4977
4978         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
4979         cases to set eight bytes at a time.
4980         (expand_block_move): Likewise.
4981         
4982 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
4983
4984         PR debug/32610
4985         * dwarf2out.c (gen_decl_die): Don't call
4986         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
4987
4988 2007-08-21  Paul Brook  <paul@codesourcery.com>
4989             Nathan Sidwell  <nathan@codesourcery.com>
4990             Mark Mitchell  <mark@codesourcery.com>
4991             Joseph Myers  <joseph@codesourcery.com>
4992
4993         * configure.ac: Add --with-pkgversion and --with-bugurl.
4994         * configure: Regenerate.
4995         * doc/install.texi: Document them.
4996         * version.c (version_string): Remove VERSUFFIX.
4997         (VERSUFFIX): Remove.
4998         (pkgversion_string): New.
4999         (bug_report_url): Do not hard-code initializer.
5000         * version.h (pkgversion_string): Declare.
5001         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5002         Define.
5003         (version.o): Define PKGVERSION and BUGURL.
5004         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5005         (%.pod): Define BUGURL.
5006         * gcc.c (process_command, main): Use pkgversion_string.
5007         * toplev.c (compile_file, print_version): Likewise.
5008         * protoize.c (main): Likewise.
5009         * gcov.c (print_version): Likewise.  Update copyright date.
5010         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5011         * mips-tdump.c (main): Likewise.  Update copyright date.
5012         * mips-tfile.c (main): Likewise.  Update copyright date.
5013         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5014         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5015         shorten description.
5016         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5017         * doc/gccint.texi: Likewise.
5018         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5019         Update copyright date.
5020
5021 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5022
5023         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5024         (ix86_expand_strlensi_unroll_1): Ditto.
5025         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5026         (ix86_expand_carry_flag_compare): Update comment.
5027
5028 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5029
5030         PR middle-end/32912
5031         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5032         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5033
5034 2007-08-21  Richard Guenther  <rguenther@suse.de>
5035
5036         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5037
5038 2007-08-21  Richard Guenther  <rguenther@suse.de>
5039
5040         PR middle-end/33122
5041         * fold-const.c (fold_binary): Remove index +p PTR folding.
5042         Fix types of POINTER_PLUS_EXPR generated by folding of
5043         (PTR +p B) +p A.
5044
5045 2007-08-20  Chao-ying Fu  <fu@mips.com>
5046
5047         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5048         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5049         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5050         (c_common_fixed_point_type_for_size): Declare.
5051         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5052         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5053         (c_token_starts_declspecs): Likewise.
5054         (c_parser_declspecs): Likewise.
5055         (c_parser_attributes): Likewise.
5056         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5057         (c_declspecs): Add saturating_p.
5058         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5059         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5060         _Sat.  Handle RID_SAT.
5061         Avoid using void, bool, char, int, float, double, _Decimal32,
5062         _Decimal64, _Decimal128, and complex with _Sat.
5063         Handle RID_FRACT and RID_ACCUM.
5064         Make sure _Sat is used with _Fract or _Accum.
5065         (finish_declspecs): Handle cts_fract and cts_accum.
5066         * c-common.c (fixed-value.h): New include.
5067         (constant_expression_warning): Handle FIXED_CST.
5068         (overflow_warning): Likewise.
5069         (warnings_for_convert_and_check): Likewise.
5070         (c_common_fixed_point_type_for_size): New.
5071         (c_common_type_for_mode): Handle fixed-point modes to
5072         return various saturating/non-saturating, signed/unsigned types.
5073         (c_common_signed_or_unsigned_type): Support fixed-point types.
5074         (shorten_compare): Check fixed-point zero.
5075         Handle FIXED_POINT_TYPE.
5076         (c_common_truthvalue_conversion): Handle FIXED_CST.
5077         Handle FIXED_POINT_TYPE.
5078         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5079         types.
5080         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5081         if the signness of base type and fixed-point modes are consistent.
5082         (handle_vector_size_attribute): Handle fixed-point modes.
5083         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5084         (warn_for_div_by_zero): Check fixed-point zero.
5085         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5086         a common fixed-point type based on fbit, ibit, sign, and saturation.
5087         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5088         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5089         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5090         (convert_for_assignment): Support FIXED_POINT_TYPE.
5091         (digest_init): Handle FIXED_POINT_TYPE.
5092         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5093         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5094         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5095         GE_EXPR, LT_EXPR, GT_EXPR.
5096         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5097         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5098         * target.h (gcc_target): Add fixed_point_supported_p.
5099         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5100         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5101         (default_fixed_point_supported_p): Define.
5102         * targhooks.h (default_fixed_point_supported_p): Declare.
5103         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5104         * doc/install.texi (Configuration): Add --enable-fixed-point.
5105         * configure.ac (--enable-fixed-point): New to enable fixed-point
5106         arithmetic extension to C.  For mips targets, we enable it by default.
5107         * configure, config.in: Regenerate.
5108
5109 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5110
5111         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5112
5113 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5114
5115         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5116         DWARF2_DEBUGGING_INFO.
5117         (cold_text_section_used): Same.
5118         (cold_text_section): Same.
5119
5120 2007-08-20  Richard Guenther  <rguenther@suse.de>
5121
5122         * c-typeck.c (convert_for_assignment): Use the type of
5123         the member for the initialization.
5124
5125 2007-08-20  Richard Guenther  <rguenther@suse.de>
5126
5127         * c-objc-common.c (c_disregard_inline_limits): Remove.
5128         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5129         * cgraphunit.c (cgraph_process_new_functions): Call
5130         disregard_inline_limits_p.
5131         (cgraph_preserve_function_body_p): Likewise.
5132         * ipa-inline.c (compute_inline_parameters): Likewise.
5133         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5134         Remove.
5135         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5136         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5137         disregard_inline_limits langhook.
5138         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5139         Remove.
5140         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5141         disregard_inline_limits langhook.
5142         * tree-inline.c (disregard_inline_limits_p): New function.
5143         * tree-inline.h (disregard_inline_limits_p): Declare.
5144
5145 2007-08-20  Richard Guenther  <rguenther@suse.de>
5146
5147         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5148         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5149         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5150         auto_var_in_fn_p langhook.
5151         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5152         move ...
5153         * tree.c (auto_var_in_fn_p): ... here.
5154         (find_var_from_fn): Call auto_var_in_fn_p directly.
5155         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5156         auto_var_in_fn_p langhook.
5157         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5158         (copy_body_r): Likewise.
5159         (self_inlining_addr_expr): Likewise.
5160         * tree.h (auto_var_in_fn_p): Declare.
5161
5162 2007-08-20  Richard Guenther  <rguenther@suse.de>
5163
5164         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5165         (walk_type_fields): Take lh parameter.
5166         (walk_tree): Rename to ...
5167         (walk_tree_1): ... this.  Do not call the walk_subtrees
5168         langhook but the now passed callback.  Pass lh on recursion.
5169         (walk_tree_without_duplicates): Rename to ...
5170         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5171         and call walk_tree_1.
5172         * tree.h (walk_tree_lh): New typedef.
5173         (walk_tree_1): Declare.
5174         (walk_tree_without_duplicates_1): Likewise.
5175         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5176         (walk_tree_without_duplicates): New define to
5177         walk_tree_without_duplicates_1 with NULL lh parameter.
5178         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5179         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5180         langhook.
5181         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5182         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5183         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5184         initializer.
5185
5186 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5187
5188         PR middle-end/30564
5189         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5190         code in front of the compacting of basic blocks.
5191         Move the folding of statements inbetween the cgraph checking
5192         and compacting of basic blocks.
5193
5194 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5195            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5196
5197         PR target/32522
5198         * config/alpha/alpha.c (va_list_skip_additions): Check for
5199         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5200         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5201         PLUS_EXPR when checking ap.__base.
5202         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5203         when doing addition on pointer types.  Use size_int instead of
5204         build_int_cst.
5205         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5206         ptr_type in the second operand.
5207
5208 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5209
5210         PR target/33115
5211         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5212
5213 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5214
5215         PR middle-end/32940
5216         * cfgexpand.c  (expand_one_register_var): Mark pointer
5217         DECL_ARTIFICIAL as REG_POINTER also.
5218         * stmt.c (expand_decl): Likewise.
5219
5220 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5221
5222         Fix PR 32772
5223         Fix PR 32716
5224         Fix PR 32328
5225         Fix PR 32303
5226
5227         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5228         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5229         on_worklist argument and avoid adding things to worklist multiple
5230         times.
5231         (add_to_worklist): Ditto.
5232         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5233         single SFT is clobbered.
5234         (set_initial_properties): Ditto.
5235         (compute_call_clobbered): Update for changes to function
5236         arguments.
5237         (create_overlap_variables_for): Always create SFT for offset 0.
5238         (create_structure_vars): Handle PHI's, since we are in SSA form at
5239         this point.
5240         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5241         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5242         TARGET_MEM_REF.
5243         (add_vars_for_offset): Figure out aliases from access + points-to.
5244         (add_virtual_operand): Use add_vars-for_offset.
5245         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5246         (add_call_clobber_ops): Remove makes_clobbering_call set.
5247         (get_expr_operands): Always pass through the INDIRECT_REF
5248         reference.
5249         * tree-ssa-structalias.c (struct constraint_graph): Remove
5250         variables member.
5251         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5252         address_taken, pt_used, number_incoming.
5253         (FIRST_ADDR_NODE): Removed.
5254         (merge_graph_nodes): Remove broken code for the moment.
5255         (init_graph): New function.
5256         (build_pred_graph): Remove code to init_graph.
5257         Add location equivalence support.
5258         (struct scc_info): Rename roots to deleted.
5259         (scc_visit): Ditto.
5260         (init_scc_info): Ditto
5261         (init_topo_info): Use graph->size.
5262         (compute_topo_order): Ditto.
5263         (do_da_constraint): Removed.
5264         (do_sd_constraint): Remove calls to find().
5265         set_union_with_increment should always get 0 as last arg here.
5266         (do_complex_constraint): Replace do_da_constraint with assert.
5267         Stop calling find.
5268         (struct equiv_class_label): New.
5269         (pointer_equiv_class_table): Ditto.
5270         (location_equiv_class_table): Ditto.
5271         (equiv_class_label_hash): Ditto.
5272         (equiv_class_label_eq): Ditto
5273         (equiv_class_lookup): Ditto.
5274         (equiv_class_ladd): Ditto.
5275         (pointer_equiv_class): Ditto.
5276         (location_equiv_class): Ditto.
5277         (condense_visit): Rename and rewrite from label_visit to do only
5278         SCC related stuff for HU.
5279         (label_visit): Do HU work for HU.
5280         (perform_var_substitution): Update to do HU and location
5281         equivalence.
5282         (free_var_substitution_info): Update to free HU and location
5283         equivalence structures.  */
5284         (find_equivalent_node): Update for pointer but not location
5285         equivalence.
5286         (unite_pointer_equivalences): New function.
5287         (move_complex_constraints): Rewrite to only do moving.
5288         (rewrite_constraints): Split out of move_complex_constraints.
5289         (solve_graph): Use graph->size.
5290         (process_constraint_1): Add from_call argument, use it.
5291         Split *a = &b into two constraints.
5292         (process_constraint): Use new process_constraint_1.
5293         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5294         (get_constraint_for): Handle non-pointer integers properly.
5295         Remove code that used to handle structures.
5296         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5297         with unknown addends.
5298         (handle_rhs_call): New function.
5299         (find_func_aliases): Use handle_rhs_call.
5300         (set_uids_in_ptset): Add an assert.
5301         (set_used_smts): Fix bug in not considering unified vars.
5302         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5303         (compute_points_to_sets): Update for other function changes.
5304         (delete_points_to_sets): Ditto.
5305         (ipa_pta_execute): Ditto.
5306         (pass_ipa_pta): We need to update SSA after ipa_pta.
5307         
5308 2007-08-19  Jan Hubicka  <jh@suse.cz>
5309
5310         * i386.md: Replace "rim" and "mri" constraints by "g".
5311
5312 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5313
5314         * dwarf2out.c (text_section_used, cold_text_section_used,
5315         cold_text_section, dwarf2out_note_section_used): New.
5316         (dwarf2out_init): Initialize cold_text_section.
5317         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5318         dwarf2out_note_section_used.
5319         (size_of_aranges): Only count entry for text section if it was
5320         used.  Count entry for cold text section if it was used.
5321         (output_aranges): Only output entries for text section and cold
5322         text section if they were used.
5323
5324 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5325
5326         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5327         the function.
5328         (debug_generic_stmt): Likewise.
5329         (debug_tree_chain): Likewise.
5330
5331 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5332
5333         * tree-data-refs.c (split_constant_offset): Expose.
5334         * tree-data-refs.h (split_constant_offset): Add declaration.
5335
5336         * tree-vectorizer.h (dr_alignment_support): Renamed
5337         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5338         Added a new value dr_explicit_realign.
5339         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5340         dr_offset, dr_step, and dr_aligned_to, along with new access
5341         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5342         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5343         STMT_VINFO_DR_ALIGNED_TO.
5344
5345         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5346         documentation.
5347         In case of outer-loop vectorization with non-fixed misalignment - use
5348         the dr_explicit_realign scheme instead of the optimized realignment
5349         scheme.
5350         (new_stmt_vec_info): Initialize new fields.
5351
5352         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5353         'nested_in_vect_loop' case. Change verbosity level.
5354         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5355         Don't fail on zero step in the outer-loop for loads.
5356         (vect_analyze_data_refs): Call split_constant_offset to calculate
5357         base, offset and init relative to the outer-loop.
5358
5359         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5360         BSI function argument with a new function argument - at_loop.
5361         Simplify the condition that determines STEP. Takes additional argument
5362         INV_P. Support outer-loop vectorization (handle the
5363         nested_in_vect_loop case), including zero step in the outer-loop. Call
5364         vect_create_addr_base_for_vector_ref with additional argument.
5365         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5366         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5367         Fixed and simplified calculation of step.
5368         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5369         of bsi, and with additional argument. Call bump_vector_ptr with
5370         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5371         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5372         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5373         when the realignment setup needs to take place inside the loop.
5374         Support the dr_explicit_realign scheme. Allow generating the optimized
5375         realignment scheme for outer-loop vectorization. Added documentation.
5376         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5377         the 'nested_in_vect_loop' case, including loads that are invariant in
5378         the outer-loop and the realignment schemes. Handle the case when the
5379         realignment setup needs to take place inside the loop. Call
5380         vect_setup_realignment with additional arguments.  Call
5381         vect_create_data_ref_ptr with additional argument and with loop instead
5382         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5383         (vect_gen_niters_for_prolog_loop): Call
5384         vect_create_addr_base_for_vector_ref with additional arguments.
5385         (vect_create_cond_for_align_checks): Likewise.
5386         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5387         scheme: takes additional argument bump; argument ptr_incr is now
5388         optional; updated documentation.
5389         (vect_init_vector): Takes additional argument (bsi). Use it, if
5390         available, to insert the vector initialization.
5391         (get_initial_def_for_induction): Pass additional argument in call to
5392         vect_init_vector.
5393         (vect_get_vec_def_for_operand): Likewise.
5394         (vect_setup_realignment): Likewise.
5395         (vectorizable_load): Likewise.
5396
5397 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5398
5399         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5400         as argument instead of struct loop.
5401         (nested_in_vect_loop_p): New function.
5402         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5403         vect_used_in_outer.
5404         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5405         from other phis in the loop.
5406         (destroy_loop_vec_info): Add additional argument to declaration.
5407
5408         * tree-vectorizer.c (supportable_widening_operation): Also check if
5409         nested_in_vect_loop_p (don't allow changing the order in this case).
5410         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5411         of struct loop. Call nested_in_vect_loop_p and don't require
5412         flag_unsafe_math_optimizations if it returns true.
5413         (new_stmt_vec_info): When setting def_type for phis differentiate 
5414         loop-header phis from other phis.
5415         (bb_in_loop_p): New function.
5416         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5417         just update their loop_vinfo.  Order of BB traversal now matters -
5418         call dfs_enumerate_from with bb_in_loop_p.
5419         (destroy_loop_vec_info): Takes additional argument to control whether
5420         stmt_vinfo of the loop stmts should be destroyed as well.
5421         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5422         reduction stmt to be defines by a non loop-header phi.
5423         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5424
5425         * tree-vect-transform.c (vectorizable_reduction): Call
5426         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5427         (vectorizable_call): Likewise.
5428         (vectorizable_conversion): Likewise.
5429         (vectorizable_operation): Likewise.
5430         (vectorizable_type_promotion): Likewise.
5431         (vectorizable_type_demotion): Likewise.
5432         (vectorizable_store): Likewise.
5433         (vectorizable_live_operation): Likewise.
5434         (vectorizable_reduction): Likewise. Also pass loop_info to
5435         vect_is_simple_reduction instead of loop.
5436         (vect_init_vector): Call nested_in_vect_loop_p.
5437         (get_initial_def_for_reduction): Likewise.
5438         (vect_create_epilog_for_reduction): Likewise.
5439         (vect_init_vector): Check which loop to work with, in case there's an
5440         inner-loop.
5441         (get_initial_def_for_inducion): Extend to handle outer-loop
5442         vectorization. Fix indentation.
5443         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5444         In the case vect_induction_def get the vector def from the induction
5445         phi node, instead of calling get_initial_def_for_inducion.
5446         (get_initial_def_for_reduction): Extend to handle outer-loop 
5447         vectorization.
5448         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5449         vectorization.
5450         (vect_transform_loop): Change assert to just skip this case.  Add a
5451         dump printout.
5452         (vect_finish_stmt_generation): Add a couple asserts.
5453
5454         (vect_estimate_min_profitable_iters): Multiply
5455         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5456         inner-loop bound.
5457         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5458         this is an inner-loop reduction in outer-loop vectorization.
5459
5460         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5461         Same code as what used to be vect_analyze_scalar_cycles, only with
5462         additional argument loop, and loop_info passed to
5463         vect_is_simple_reduction instead of loop.
5464         (vect_analyze_scalar_cycles): Code factored out into
5465         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5466         Updated documentation.
5467         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5468         outer-loop vectorization that are live or not used in the outerloop,
5469         cause this requires special handling.
5470         (vect_enhance_data_refs_alignment): Don't consider versioning for
5471         nested-loops.
5472         (vect_analyze_data_refs): Check that there are no datarefs in the
5473         inner-loop.
5474         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5475         and vect_used_in_outer_by_reduction cases.
5476         (process_use): Also consider the case of outer-loop stmt defining an
5477         inner-loop stmt and vice versa.
5478         (vect_analyze_loop_1): New function.
5479         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5480         loops.  Call vect_analyze_loop_1.
5481         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5482         been vectorized.  Call destroy_loop_vec_info with additional argument.
5483
5484         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5485         in the inner-loop when doing outer-loop vectorization. Add
5486         documentation and printout.
5487         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5488         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5489
5490 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5491
5492         * tree-affine.h (print_aff): New prototype.
5493         (debug_aff): Likewise.
5494         * tree-affine.c (print_aff): New function.
5495         (debug_aff): Likewise.
5496
5497 2007-08-18  Paul Brook  <paul@codesourcery.com>
5498             Joseph Myers  <joseph@codesourcery.com>
5499
5500         * common.opt (-fdebug-prefix-map=): New option.
5501         * opts.c: Include debug.h.
5502         (common_handle_option): Handle -fdebug-prefix-map.
5503         * final.c: Include ggc.h.
5504         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5505         remap_debug_filename): New.
5506         * Makefile.in (final.o, opts.o): Update dependencies.
5507         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5508         * configure.ac: Check for assembler --debug-prefix-map support.
5509         * configure, config.in: Regenerate.
5510         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5511         (ASM_DEBUG_SPEC): Include ASM_MAP.
5512         * doc/install.texi (--with-debug-prefix-map): Document.
5513         * doc/invoke.texi (-fdebug-prefix-map): Document.
5514         * dbxout.c (dbxout_init, dbxout_start_source_file,
5515         dbxout_source_file): Call remap_debug_filename.
5516         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5517         dwarf2out_start_source_file, dwarf2out_finish): Call
5518         remap_debug_filename.
5519         (file_table_relative_p): Do not check d->emitted_number.
5520         * toplev.c (output_file_directive): Call remap_debug_filename.
5521         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5522         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5523
5524 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5525
5526         * loop-invariant.c (find_invariants_to_move): Add missing macro
5527         argument.
5528
5529 2007-08-17  Tom Tromey  <tromey@redhat.com>
5530
5531         * tree.h (struct tree_label_decl): Removed old "java" fields.
5532
5533 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5534             Nigel Stephens  <nigel@mips.com>
5535
5536         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5537         Treat -mno-data-in-code and -mcode-xonly as aliases for
5538         -mcode-readable=no and -mcode-readable=pcrel respectively.
5539         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5540         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5541         (MULTILIB_DIRNAMES): Update accordingly.
5542
5543 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5544
5545         * Makefile.in (version.o): Depend on $(REVISION) only if
5546         REVISION_s is defined.
5547
5548 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5549             Ulrich Weigand  <uweigand@de.ibm.com>
5550
5551         PR middle-end/32970
5552         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5553         use build_qualified_type to retain qualifiers of the base type.
5554
5555 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5556
5557         * config/score/score.md : Update pattern tablejump.
5558         * config/score/score.c : Update score_initialize_trampoline 
5559         function.
5560         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5561         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5562         * doc/contrib.texi: Add my entry.
5563
5564 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5565
5566         * Makefile.in (REVISION): New.
5567         (REVISION_c): New.
5568         (REVISION_s): New.
5569         (version.o): Also depend on $(REVISION). Add
5570         -DREVISION=$(REVISION_s).
5571
5572         * version.c (version_string): Add REVISION.
5573
5574 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5575
5576         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5577         of GOTO that's relocated to a different block.
5578
5579 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5580
5581         * c-common.c (const_strip_array_types): New.
5582         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5583         (const_strip_array_types): New.
5584         * c-objc-common.c (c_disregard_inline_limits,
5585         c_warn_unused_global_decl): Constify.
5586         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5587         c_vla_type_p, c_incomplete_type_error): Likewise.
5588         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5589         * hooks.c (hook_bool_const_tree_false): New.
5590         * hooks.h (hook_bool_const_tree_false): Likewise.
5591         * langhooks-def.h (lhd_warn_unused_global_decl,
5592         lhd_incomplete_type_error, lhd_expr_size,
5593         lhd_tree_inlining_disregard_inline_limits,
5594         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5595         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5596         * langhooks.c (lhd_warn_unused_global_decl,
5597         lhd_incomplete_type_error,
5598         lhd_tree_inlining_disregard_inline_limits,
5599         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5600         lhd_expr_size): Likewise.
5601         * langhooks.h (lang_hooks_for_tree_inlining,
5602         lang_hooks_for_tree_dump, lang_hooks_for_types,
5603         lang_hooks_for_decls, lang_hooks): Likewise.
5604         * pointer-set.c (pointer_set_t, pointer_set_create,
5605         pointer_set_contains, insert_aux, pointer_set_insert,
5606         pointer_set_traverse, pointer_map_t, pointer_map_create,
5607         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5608         Likewise.
5609         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5610         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5611         pointer_map_traverse): Likewise.
5612         * predict.c (assert_is_empty): Likewise.
5613         * tree-affine.c (free_name_expansion): Likewise.
5614         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5615         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5616         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5617
5618 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5619
5620         * tree-vectorizer.c (new_loop_vec_info): Initialize new 
5621         field.
5622         (destroy_loop_vec_info): Add call to VEC_free.
5623         * tree-vectorizer.h (may_alias_ddrs): Define.
5624         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5625         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5626         Change reporting to dump.
5627         (vect_is_duplicate_ddr): New.
5628         (vect_mark_for_runtime_alias_test): New.
5629         (vect_analyze_data_ref_dependences) Add call to
5630         vect_mark_for_runtime_alias_test.
5631         (vect_enhance_data_refs_alignment): Define local variable
5632         vect_versioning_for_alias_required, don't perform
5633         peeling for alignment if versioning for alias is
5634         required.
5635         (vect_enhance_data_refs_alignment): Use
5636         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5637         PARAM_VECT_MAX_VERSION_CHECKS.
5638         * tree-vect-transform.c
5639         (vect_create_cond_for_alias_checks): New.
5640         (vect_transform_loop): Add call to
5641         vect_create_cond_for_alias_checks.
5642         (vect_vfa_segment_size): New.
5643         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5644         Rename.
5645         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5646         * gcc/doc/invoke.texi
5647         (vect-max-version-for-alignment-checks): Document.
5648         (vect-max-version-for-alias-checks): Document.
5649         (vect-max-version-checks): Remove.
5650      
5651 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5652
5653         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5654         the same line as the instruction for all asm dialects.
5655         (*rep_movsi): Ditto.
5656         (*rep_movsi_rex64): Ditto.
5657         (*rep_movqi): Ditto.
5658         (*rep_movqi_rex64): Ditto.
5659         (*rep_stosdi_rex64): Ditto.
5660         (*rep_stossi): Ditto.
5661         (*rep_stossi_rex64): Ditto.
5662         (*rep_stosqi): Ditto.
5663         (*rep_stosqi_rex64): Ditto.
5664         (*cmpstrnqi_nz_1): Ditto.
5665         (*cmpstrnqi_nz_rex_1): Ditto.
5666         (*cmpstrnqi_1): Ditto.
5667         (*cmpstrnqi_rex_1): Ditto.
5668         (*strlenqi_1): Ditto.
5669         (*strlenqi_rex_1): Ditto.
5670         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5671         prefix on the same line as the instruction for all asm dialects.
5672         (sync_double_compare_and_swap<mode>): Ditto.
5673         (*sync_double_compare_and_swapdi_pic): Ditto.
5674         (*sync_compare_and_swap_cc<mode>): Ditto.
5675         (sync_double_compare_and_swap_cc<mode>): Ditto.
5676         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5677         (sync_old_add<mode>): Ditto.
5678         (sync_add<mode>): Ditto.
5679         (sync_sub<mode>): Ditto.
5680         (sync_ior<mode>): Ditto.
5681         (sync_and<mode>): Ditto.
5682         (sync_xor<mode>): Ditto.
5683
5684 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
5685
5686         PR middle-end/32897
5687         * reload.c (find_reloads): Check that the memory returned by
5688         find_reloads_toplev was not the result of forcing a constant
5689         to memory.
5690         (find_reloads_toplev): Always use simplify_gen_subreg to get
5691         the subreg of a constant.  If the result is also a constant,
5692         but not a legitimate one, force it into the constant pool
5693         and reload its address.
5694
5695 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
5696
5697         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
5698         POPCOUNT.
5699
5700 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
5701
5702         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
5703         directive for the current vector ABI.
5704
5705 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
5706
5707         PR target/32963
5708         * caller-save.c (reg_save_code): Set invalide status on restore code.
5709         
5710 2007-08-15  Diego Novillo  <dnovillo@google.com>
5711
5712         * tree-ssa-alias.c (compute_memory_partitions): Use
5713         alias_bitmap_obstack to allocate bitmaps.
5714         (reset_alias_info): Factor out of init_alias_info.
5715         Mark all name tags not associated to an SSA name for renaming.
5716         (init_alias_info): Call it.
5717         (create_name_tags): Tidy.  Add comments.
5718         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
5719
5720 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
5721
5722         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
5723         scheduler dependencies.
5724
5725 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5726
5727         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
5728         "register_operand".
5729         (*iorsi_1_zext): Likewise.
5730         (*iorsi_1_zext_imm): Likewise.
5731         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
5732         with "rm"/"xm" constraint.
5733         (sse2_vmsqrtv2df2): Likewise.
5734
5735 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
5736
5737         PR middle-end/33074
5738         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
5739         REG_LIBCALL note.
5740
5741 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
5742
5743         * tree-pass.h (PROP_pta): Removed.
5744         (TODO_rebuild_alias): New.
5745         (pass_may_alias): Removed.
5746         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
5747         aliasing if we changed something.
5748         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
5749         SSA internally.
5750         (pass_may_alias): Removed.
5751         (create_structure_vars): Return TODO_rebuild_alias.
5752         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
5753         * tree-sra.c (tree_sra): Only rebuild aliasing if something
5754         changed.
5755         (tree_sra_early): We never affect aliasing right now.
5756         * tree-flow.h (compute_may_aliases): New prototype.
5757         * passes.c: Remove pass_may_alias from the passes.
5758         (execute_function_todo): Support TODO_rebuild_alias.    
5759
5760 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
5761
5762         * i386.c: (legitimize_address): Move dllimported variable check
5763         infront of legitimizing pic address of CONST symbols.
5764
5765 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
5766
5767         PR tree-optimization/32941
5768         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
5769         (goto_queue_cmp): Remove.
5770         (find_goto_replacement): Change search method.
5771         (maybe_record_in_goto_queue): Add assert.
5772         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
5773         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
5774
5775 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5776
5777         * alias.c (component_uses_parent_alias_set): Constify.
5778         * alias.h (component_uses_parent_alias_set): Likewise.
5779         * cfgrtl.c (print_rtl_with_bb): Likewise.
5780         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
5781         mpz_get_double_int): Likewise.
5782         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
5783         mpz_get_double_int): Likewise.
5784         * expr.c (is_aligning_offset, undefined_operand_subword_p,
5785         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
5786         Likewise.
5787         * expr.h (safe_from_p): Likewise.
5788         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
5789         Likewise.
5790         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
5791         zero_sized_type, goa_lhs_expr_p): Likewise.
5792         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
5793         * rtl.h (print_rtl_with_bb): Likewise.
5794         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
5795         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
5796         * tree-flow-inline.h (bb_stmt_list): Constify.
5797         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
5798         cbsi_stmt): New.
5799         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
5800         const_first_stmt, const_last_stmt): New.
5801         (block_may_fallthru, empty_block_p): Constify.
5802         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
5803         EXPR_ONLY_BODY): New.
5804         (expr_first, expr_last, expr_only): Use macro for body.
5805         (const_expr_first, const_expr_last, const_expr_only): New.
5806         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
5807         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
5808         ctsi_prev, ctsi_stmt): New.
5809         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
5810         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
5811         * tree-ssa-loop-niter.c (loop_only_exit_p,
5812         derive_constant_upper_bound): Likewise.
5813         * tree-ssa-phiopt.c (empty_block_p): Likewise.
5814         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
5815         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
5816         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
5817         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
5818         * tree.c (get_type_static_bounds): Likewise.
5819         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
5820         (get_type_static_bounds): Constify.
5821
5822 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5823
5824         PR target/30315
5825         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
5826         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
5827         (*<addsub><mode>3_cc_overflow): New.
5828         (*add<mode>3_cconly_overflow): New.
5829         (*sub<mode>3_cconly_overflow): New.
5830         (*<addsub>si3_zext_cc_overflow): New.
5831         * config/i386/predicates.md (fcmov_comparison_operator): Accept
5832         CCCmode for LTU, GTU, LEU and GEU.
5833         (ix86_comparison_operator): Likewise.
5834         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
5835         * config/i386/i386.c (put_condition_code): Support CCCmode.
5836         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
5837         or MINUS expressions.
5838
5839 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
5840
5841         PR c/30428
5842         * c-typeck.c (build_binary_op): Disallow vector float types with
5843         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
5844
5845 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
5846
5847         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
5848         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
5849         (dep_def): New typedef.
5850         (init_dep_1, sd_debug_dep): Declare functions.
5851         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
5852         (debug_dep_links): Remove.
5853         (struct _deps_list): New field 'n_links'.
5854         (DEPS_LIST_N_LINKS): New macro.
5855         (FOR_EACH_DEP_LINK): Remove.
5856         (create_deps_list, free_deps_list, delete_deps_list): Remove
5857         declaration.
5858         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
5859         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5860         (copy_deps_list_change_con, move_dep_link): Ditto.
5861         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
5862         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
5863         'dep_count'.
5864         (INSN_BACK_DEPS): Remove.
5865         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
5866         New macros.
5867         (INSN_DEP_COUNT): Remove.
5868         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
5869         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
5870         Declare global variables.
5871         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
5872         (add_forw_dep, compute_forward_dependences): Remove declarations.
5873         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
5874         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5875         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
5876         functions.
5877         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
5878         New constants.
5879         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
5880         (sd_list_types_def): New typedef.
5881         (sd_next_list): Declare function.
5882         (struct _sd_iterator): New type.
5883         (sd_iterator_def): New typedef.
5884         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
5885         functions.
5886         (FOR_EACH_DEP): New cycle wrapper.
5887         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
5888         Declare functions.
5889         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
5890         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
5891         Ditto.
5892
5893         * sched-deps.c (init_dep_1): Make global.
5894         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
5895         constants.
5896         (dump_dep): New static function.
5897         (dump_dep_flags): New static variable.
5898         (sd_debug_dep): New function.
5899         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
5900         the list.
5901         (move_dep_link): Use remove_from_deps_list (), instead of
5902         detach_dep_link ().
5903         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
5904         (dep_link_is_detached_p): New static function.
5905         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
5906         instead.
5907         (dn_pool, dl_pool): New alloc_pools.
5908         (dn_pool_diff, dl_pool_diff): New static variables.
5909         (create_dep_node, delete_dep_node): New static function.
5910         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
5911         (deps_list_empty_p): Make it static.  Use 'n_links' field.
5912         (deps_pools_are_empty_p): New static function.
5913         (alloc_deps_list, delete_deps_list): Remove.
5914         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
5915         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
5916         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
5917         (forward_dependency_cache): Remove.
5918         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
5919         'back' from the names.  Change signature to use dep_t instead of
5920         equivalent quad.
5921         (add_back_dep): Ditto.  Make global.
5922         (check_dep_status): Rename to check_dep ().
5923         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
5924         New functions.
5925         (sd_finish_insn): Ditto.
5926         (sd_find_dep_between_no_cache): New static function.
5927         (sd_find_dep_between): New function.
5928         (ask_dependency_caches, set_dependency_caches): New static functions.
5929         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
5930         (add_or_update_dep_1): Separate pieces of functionality into
5931         ask_dependency_caches (), update_dependency_caches (),
5932         change_spec_dep_to_hard (), update_dep ().
5933         (get_back_and_forw_lists): New static function.
5934         (sd_add_dep): Separate setting of dependency caches into
5935         set_dependency_caches ().
5936         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
5937         New functions.
5938         (sd_delete_dep): Ditto.
5939         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
5940         (dump_lists): New static function.
5941         (sd_debug_lists): New debug function.
5942         (delete_all_dependences, fixup_sched_groups): Update to use
5943         sd_* infrastructure.
5944         (sched_analyze_2): Create data-speculative dependency only if
5945         data-speculation is enabled.
5946         (sched_analyze_insn): If insn cannot be speculative, make all its
5947         dependencies non-speculative.
5948         (sched_analyze): Use sd_init_insn ().
5949         (add_forw_dep, compute_forward_dependencies): Remove.
5950         (delete_dep_nodes_in_back_deps): New static function.
5951         (sched_free_deps): New function.
5952         (init_dependency_caches): Init alloc_pools.
5953         (extend_depedency_caches): Update after removing of
5954         forward_dependency_cache.
5955         (free_dependency_caches): Ditto.  Free alloc_pools.
5956         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
5957         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
5958         Ditto.
5959         (add_back_forw_dep, delete_back_forw_dep): Ditto.
5960         (add_dependence): Use init_dep ().
5961         (get_dep_weak_1): New static function.
5962         (get_dep_weak): Move logic to get_dep_weak_1 ().
5963         (dump_ds): New static function moved from haifa-sched.c:
5964         debug_spec_status ().
5965         (debug_ds): New debug function.
5966         (check_dep_status): Rename to check_dep ().  Update to check whole
5967         dependencies.
5968
5969         * haifa-sched.c (spec_info): Make global.
5970         (added_recovery_block_p): Rename to
5971         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
5972         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
5973         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
5974         to use new interfaces.
5975         (ok_for_early_queue_removal): Ditto.
5976         (schedule_block): Initialize logical uids of insns emitted by the
5977         target.
5978         (sched_init): Initialize new variable.
5979         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
5980         interfaces.
5981         (extend_global): Initialize insn data.
5982         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
5983         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
5984         new interfaces.
5985         (add_to_speculative_block): Update to use new interfaces.
5986         (create_recovery_block): Set new variables.
5987         (create_check_block_twin, fix_recovery_deps): Update to use new
5988         interfaces.
5989         (sched_insn_is_legitimate_for_speculation_p): New function.
5990         (speculate_insn): Move checking logic to
5991         sched_insn_is_legitimate_for_speculation_p ().
5992         (sched_remove_insn): Finalize sched-deps information of instruction.
5993         (clear_priorities, add_jump_dependencies): Update to use new
5994         interfaces.
5995         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
5996         
5997         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
5998         to use new interfaces.
5999         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6000         (new_ready): Try to use control speculation only if it is available.
6001         (add_branch_dependences): Update to use new interfaces.
6002         (compute_block_backward_dependences): Rename to
6003         compute_block_dependences ().  Call
6004         targetm.sched.dependencies_evaluation_hook ().
6005         (free_block_dependencies): New static function.
6006         (debug_dependencies): Update to use new interfaces.
6007         (schedule_region): Remove separate computation of forward dependencies.
6008         Move call of targetm.sched.dependencies_evaluation_hook () to
6009         compute_block_dependences ().  Free dependencies at the end of
6010         scheduling the region.
6011
6012         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6013         new interfaces.
6014         (add_deps_for_risky_insns): Ditto.
6015         (schedule_ebb): Remove separate computation of forward dependencies.
6016         Free dependencies at the end of scheduling the ebb.
6017
6018         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6019         (build_intra_loop_deps): Ditto.  Remove separate computation of
6020         forward dependencies.  Free sched-deps dependencies.
6021
6022         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6023         to use new interfaces.
6024         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6025
6026         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6027         new interfaces.
6028         (is_costly_group): Ditto.
6029
6030 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6031
6032         * alias.c (rtx_equal_for_memref_p): Constify.
6033         * basic-block.h (const_edge, const_basic_block): New.
6034         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6035         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6036         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6037         probably_never_executed_bb_p, edge_probability_reliable_p,
6038         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6039         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6040         Likewise.
6041         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6042         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6043         Likewise.
6044         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6045         flow_nodes_print, dfs_enumerate_from): Likewise.
6046         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6047         control_flow_insn_p, count_basic_blocks): Likewise.
6048         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6049         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6050         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6051         average_num_loop_insns, loop_exit_edge_p,
6052         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6053         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6054         average_num_loop_insns, seq_cost): Likewise.
6055         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6056         * dominance.c (dominated_by_p): Likewise.
6057         * emit-rtl.c (validate_subreg): Likewise.
6058         * except.c (can_throw_internal, can_throw_external): Likewise.
6059         * except.h (can_throw_internal, can_throw_external): Likewise.
6060         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6061         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6062         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6063         simple_mem, store_ops_ok, load_kills_store, find_loads,
6064         store_killed_in_insn, store_killed_after, store_killed_before,
6065         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6066         Likewise.
6067         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6068         noce_mem_write_may_trap_or_fault_p): Likewise.
6069         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6070         Likewise.
6071         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6072         Likewise.
6073         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6074         probably_cold_bb_p, probably_never_executed_bb_p,
6075         edge_probability_reliable_p, br_prob_note_reliable_p,
6076         can_predict_insn_p): Likewise.
6077         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6078         * resource.c (return_insn_p): Likewise.
6079         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6080         Likewise.
6081         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6082         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6083         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6084         verify_gimple_modify_stmt): Likewise.
6085         * tree-chrec.c (is_not_constant_evolution,
6086         is_multivariate_chrec_rec, is_multivariate_chrec,
6087         chrec_contains_symbols, chrec_contains_undetermined,
6088         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6089         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6090         eq_evolutions_p, scev_direction): Likewise.
6091         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6092         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6093         chrec_contains_symbols_defined_in_loop,
6094         chrec_contains_undetermined, tree_contains_chrecs,
6095         evolution_function_is_affine_multivariate_p,
6096         evolution_function_is_univariate_p, chrec_zerop,
6097         evolution_function_is_constant_p, evolution_function_is_affine_p,
6098         evolution_function_is_affine_or_constant_p,
6099         tree_does_not_contain_chrecs, chrec_type): Likewise.
6100         * tree-data-ref.c (tree_fold_divides_p,
6101         object_address_invariant_in_loop_p, dr_may_alias_p,
6102         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6103         same_access_functions, constant_access_functions,
6104         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6105         Likewise.
6106         * tree-flow.h (scev_direction): Likewise.
6107         * tree-gimple.c (is_gimple_stmt): Likewise.
6108         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6109         Likewise.
6110         * tree-pretty-print.c (op_prio): Likewise.
6111         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6112         analyzable_condition, backedge_phi_arg_p): Likewise.
6113         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6114         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6115         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6116         Likewise.
6117
6118 2007-08-13  Dan Hipschman  <dsh@google.com>
6119
6120         PR c/32953
6121         * c-format.c (check_format_arg): Move check for zero-length
6122         format strings below the check for unterminated strings.
6123
6124 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6125
6126         PR C/30427
6127         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6128         types.
6129
6130 2007-08-13  Nick Clifton  <nickc@redhat.com>
6131
6132         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6133
6134 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6135
6136         PR fortran/32860
6137         * c-format.c (gcc_gfc_length_specs): New array.
6138         (gcc_gfc_char_table): Add unsigned specifier, and references to
6139         the l length modifier.
6140         (format_types_orig): Use the new gcc_gfc_length_specs.
6141
6142 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6143
6144         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6145         and with REG_RETVAL note after split.
6146
6147 2007-08-11  David Daney  <ddaney@avtrex.com>
6148
6149         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6150         as ATTRIBUTE_UNUSED.
6151
6152 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6153             Segher Boessenkool  <segher@kernel.crashing.org>
6154
6155         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6156         HAVE_LOCAL_CPU_DETECT not defined.
6157
6158 2007-08-11  Jan Hubicka  <jh@suse.cz>
6159
6160         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6161         (cgraph_process_new_functions): Honor previous value of
6162         disregard_inline_limits.
6163         * ipa-inline.c (compute_inline_parameters): Likewise.
6164
6165 2007-08-11  Ian Lance Taylor  <iant@google.com>
6166
6167         * alias.h (alias_set_type): Define new type.
6168         (ALIAS_SET_MEMORY_BARRIER): Use it.
6169         * rtl.h: Include alias.h.
6170         (struct mem_attrs): Use alias_set_type.
6171         * tree.h: Include alias.h
6172         (struct tree_type): Use alias_set_type.
6173         (struct tree_struct_field_tag): Likewise.
6174         (struct tree_decl_common): Likewise.
6175         * alias.c (struct alias_set_entry): Use alias_set_type.
6176         (get_alias_set_entry, alias_set_subset_of): Likewise.
6177         (alias_sets_conflict_p): Likewise.
6178         (alias_sets_must_conflict_p): Likewise.
6179         (objects_must_conflict_p): Likewise.
6180         (get_alias_set, new_alias_set): Likewise.
6181         (record_alias_subset, record_component_aliases): Likewise.
6182         (varargs_set, frame_set): Change to alias_set_type.
6183         (get_varargs_alias_set): Use alias_set_type.
6184         (get_frame_alias_set): Likewise.
6185         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6186         * dse.c (struct store_info): Use alias_set_type.
6187         (struct read_info, struct clear_alias_mode_holder): Likewise.
6188         (clear_alias_set_lookup, canon_address): Likewise.
6189         (record_store, check_mem_read_rtx): Likewise.
6190         (dse_record_singleton_alias_set): Likewise.
6191         (dse_invalidate_singleton_alias_set): Likewise.
6192         * emit-rtl.c (get_mem_attrs): Likewise.
6193         (set_mem_attributes_minus_bitpos): Likewise.
6194         (set_mem_alias_set): Likewise.
6195         * expr.c (store_constructor_field, store_field): Likewise.
6196         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6197         * langhooks.c (lhd_get_alias_set): Likewise.
6198         * langhooks-def.h (lhd_get_alias_set): Likewise.
6199         * reload1.c (alter_reg): Likewise.
6200         * tree-flow.h (struct fieldoff): Likewise.
6201         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6202         (may_alias_p, get_smt_for, create_sft): Likewise.
6203         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6204         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6205         (merge_smts_into): Likewise.
6206         * varasm.c (const_alias_set): Likewise.
6207         * c-common.c (strict_aliasing_warning): Likewise.
6208         (c_common_get_alias_set): Likewise.
6209         * dse.h (dse_record_singleton_alias_set): Update declaration.
6210         (dse_invalidate_singleton_alias_set): Likewise.
6211         * emit-rtl.h (set_mem_alias_set): Likewise.
6212         * c-common.h (c_common_get_alias_set): Likewise.
6213         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6214         * print-tree.c (print_node): Likewise.
6215         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6216         alias_set_type.
6217         (alpha_setup_incoming_varargs): Use alias_set_type.
6218         * config/i386/i386.c (setup_incoming_varargs_64): Use
6219         alias_set_type.
6220         (setup_incoming_varargs_ms_64): Likewise.
6221         (ix86_GOT_alias_set): Likewise.
6222         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6223         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6224         (set): Change to alias_set_type.
6225         (get_TOC_alias_set): Use alias_set_type.
6226         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6227         declaration.
6228         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6229         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6230         alias_set_type.
6231         (struct_value_alias_set): Likewise.
6232         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6233
6234 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6235
6236         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6237         * config/vxworks.h (TARGET_VXWORKS): Override.
6238         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6239         "mips" if TARGET_VXWORKS.
6240
6241 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6242
6243         * calls.c (avoid_likely_spilled_reg): New function.
6244         (expand_call): Use it.
6245
6246 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6247
6248         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6249
6250 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6251
6252         * config/mips/predicates.md (const_call_insn_operand): Invoke
6253         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6254
6255 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6256
6257         PR target/33042
6258         * config/rs6000/driver-rs6000.c: Include link.h.
6259         Use ElfW instead of wordsize-specif typedef.
6260
6261 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6262
6263         * system.h (CONST_CAST): New.
6264         * c-decl.c (c_make_fname_decl): Use it.
6265         * c-lex.c (cb_ident, lex_string): Likewise.
6266         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6267         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6268         give_switch, set_multilib_dir): Likewise.
6269         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6270         * passes.c (execute_one_pass): Likewise.
6271         * prefix.c (update_path): Likewise.
6272         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6273         * tree.c (build_string): Likewise.
6274
6275 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6276
6277         * tree-flow-inline.h (is_exec_stmt): Remove.
6278         (is_label_stmt): Remove.
6279         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6280         is_label_stmt.
6281
6282 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6283
6284         * lower-subreg.c (resolve_shift_zext): Don't adjust
6285         src_reg_num for wordmode operands.
6286
6287 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6288             David Ung  <davidu@mips.com>
6289
6290         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6291         (TARGET_SCHED_REORDER2): Define.
6292         (mips_maybe_swap_ready): New.
6293         (mips_last_74k_agen_insn): New.
6294         (mips_74k_agen_init): New.
6295         (mips_74k_agen_reorder): New function to group loads and stores
6296         in the ready queue.
6297         (mips_sched_init): New.  
6298         (mips_sched_reorder): Don't do initialization here.  Call
6299         mips_74k_agen_reorder.
6300         (mips_variable_issue): Call mips_74k_agen_init.
6301
6302 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6303
6304         * tree-flow-inline.h (get_filename): Remove.
6305
6306 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6307
6308         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6309         argument.
6310         (mips_fetch_insns): Delete in favor of...
6311         (mips_load_store_insns): ...this new function.
6312         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6313         to say whether multiword moves _might_ be split.
6314         (mips_fetch_insns): Delete in favor of...
6315         (mips_load_store_insns): ...this new function.
6316         (mips_rtx_costs): Update the call to mips_address_insns.
6317         (mips_address_cost): Likewise.
6318         * config/mips/mips.md (length): Use mips_load_store_insns instead
6319         of mips_fetch_insns.
6320         * config/mips/constraints.md (R): Use mips_address_insns rather
6321         than mips_fetch_insns.  Assume that the move never needs to be split.
6322
6323 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6324
6325         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6326         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6327         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.  
6328         * config/mips/mips.h (mips16_hard_float): Delete.
6329         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6330         definitions, and replace with....
6331         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6332         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6333         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6334         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6335         (override_options): Replace MASK_SOFT_FLOAT references with
6336         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6337         and mips16_hard_float when TARGET_MIPS16.
6338         
6339 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6340
6341         PR c/32796
6342         * c-typeck.c (build_binary_op): Check for non pointer types before
6343         calling int_fits_type_p.
6344
6345 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6346
6347         PR middle-end/32813
6348         * fold-const.c (omit_one_operand): Return only the ommitted expression
6349         if the result is an empty statement.
6350         (pedantic_omit_one_operand): Likewise.
6351
6352 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6353
6354         * c-typeck.c (readonly_error): Improve error for assignment.
6355         
6356         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6357         expression. 
6358         (pp_c_expression): Ditto.
6359
6360 2007-08-09  Simon Baldwin  <simonb@google.com>
6361
6362         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6363         break that was preventing simplify_associative_operation() for xor.
6364
6365 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6366             Nigel Stephens  <nigel@mips.com>
6367
6368         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6369         Document change in interpretation of value from boolean to
6370         tri-state integer.
6371         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6372         ffs and ctz using clz.
6373         (expand_unop): Call them.
6374         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6375         result value.
6376         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6377         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6378         enable the new ffs expansion on this target.
6379
6380 2007-08-09  Jan Hubicka  <jh@suse.cz>
6381
6382         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6383         (expand_ternary_op): Likewise.
6384         (expand_vec_shift_expr): Likewise.
6385         (expand_binop_directly): Likewise.
6386         (expand_binop): Likewise.
6387         (sign_expand_binop): Likewise.
6388         (expand_twoval_unop): Likewise.
6389         (expand_twoval_binop): Likewise.
6390         (expand_twoval_binop_libfunc): Likewise.
6391         (widen_clz): Likewise.
6392         (widen_bswap): Likewise.
6393         (expand_parity): Likewise.
6394         (expand_unop): Likewise.
6395         (expand_abs_nojump): Likewise.
6396         (expand_copysign): Likewise.
6397         (emit_no_conflict_block): Likewise.
6398         (emit_libcall_block): Likewise.
6399         (can_compare_p): Likewise.
6400         (prepare_cmp_insn): Likewise.
6401         (emit_cmp_and_jump_insn_1): Likewise.
6402         (prepare_float_lib_cmp): Likewise.
6403         (emit_conditional_add): Likewise.
6404         (gen_add2_insn): Likewise.
6405         (have_add2_insn): Likewise.
6406         (gen_sub2_insn): Likewise.
6407         (have_sub2_insn): Likewise.
6408         (can_extend_p): Likewise.
6409         (can_fix_p): Likewise.
6410         (can_float_p): Likewise.
6411         (expand_float): Likewise.
6412         (expand_fix): Likewise.
6413         (expand_sfix_optab): Likewise.
6414         (new_optab): Likewise.
6415         (new_convert_optab): Likewise.
6416         (init_libfuncs): Likewise.
6417         (init_interclass_conv_libfuncs): Likewise.
6418         (init_intraclass_conv_libfuncs): Likewise.
6419         (set_conv_libfunc): Likewise.
6420         (init_optabs): Likewise.
6421         (debug_optab_libfuncs): Likewise.
6422         (gen_cond_trap): Likewise.
6423         * optabs.h (optab_handler, convert_optab_hanlder): New.
6424         * genopinit.c: Update optabs generation table.
6425         * reload.c (find_reloads_address_1): Use optabs accestors.
6426         * builtins.c (expand_builtin_mathfn): Likewise.
6427         (expand_builtin_mathfn_2): Likewise.
6428         (expand_builtin_mathfn_3): Likewise.
6429         (expand_builtin_interclass_mathfn): Likewise.
6430         (expand_builtin_sincos): Likewise.
6431         (expand_builtin_cexpi): Likewise.
6432         (expand_builtin_powi): Likewise.
6433         (expand_builtin_strlen): Likewise.
6434         * dojump.c (do_jump): Likewise.
6435         * expr.c (convert_move): Likewise.
6436         (move_by_pieces): Likewise.
6437         (move_by_pieces_ninsns): Likewise.
6438         (can_store_by_pieces): Likewise.
6439         (store_by_pieces_1): Likewise.
6440         (emit_move_via_integer): Likewise.
6441         (emit_move_complex): Likewise.
6442         (emit_move_ccmode): Likewise.
6443         (emit_move_insn_1): Likewise.
6444         (emit_single_push_insn): Likewise.
6445         (store_constructor): Likewise.
6446         (expand_expr_real_1): Likewise.
6447         (do_store_flag): Likewise.
6448         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6449         (enumerate_modes): Likewise.
6450         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6451         (supportable_widening_operation): Likewise.
6452         (supportable_narrowing_operation): Likewise.
6453         * expmed.c (store_bit_field_1): Likewise.
6454         (extract_bit_field_1): Likewise.
6455         (expand_mult_highpart_optab): Likewise.
6456         (expand_smod_pow2): Likewise.
6457         (expand_divmod): Likewise.
6458         (emit_store_flag): Likewise.
6459         * tree-vect-patterns.c
6460         (vect_pattern_recog_1): Likewise.
6461         * tree-ssa-loop-prefetch.c
6462         (nontemporal_store_p): Likewise.
6463         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6464         (vect_create_epilog_for_reduction): Likewise.
6465         (vectorizable_reduction): Likewise.
6466         (vectorizable_operation): Likewise.
6467         (vect_strided_store_supported): Likewise.
6468         (vectorizable_store): Likewise.
6469         (vect_strided_load_supported): Likewise.
6470         (vectorizable_load): Likewise.
6471         * combine.c (simplify_comparison): Likewise.
6472         * tree-vect-generic.c
6473         (type_for_widest_vector_mode): Likewise.
6474         (expand_vector_operations_1): Likewise.
6475         * config/spu/spu.c (spu_expand_mov): Likewise.
6476         (spu_emit_vector_compare): Likewise.
6477         * config/rs6000/rs6000.c
6478         (rs6000_emit_vector_compare): Likewise.
6479         * stmt.c (add_case_node): Likewise.
6480         * reload1.c (gen_reload):
6481
6482 2007-08-09  Michael Matz  <matz@suse.de>
6483
6484         * tree.h (fixed_zerop): Declare as taking a const_tree.
6485         * tree.c (fixed_zerop): Take a const_tree.
6486
6487 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6488
6489         * tree-vect-transform.c (vectorizable_store): Remove call to
6490         copy_virtual_operands() and call mark_symbols_for_renaming() for
6491         the created vector store.
6492         (vect_setup_realignment): Don't call copy_virtual_operands() and
6493         update_vuses_to_preheader(). 
6494         (vectorizable_load): Don't call copy_virtual_operands(). 
6495         (update_vuses_to_preheader): Remove.
6496
6497 2007-08-08  Chao-ying Fu  <fu@mips.com>
6498
6499         * tree.def (FIXED_POINT_TYPE): New type.
6500         (FIXED_CST): New constant.
6501         (FIXED_CONVERT_EXPR): New expr.
6502         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6503         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6504         * tree.h (struct tree_base): Add saturating_flag.
6505         Remove one bit of spare for saturating_flag.
6506         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6507         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6508         FIXED_POINT_TYPE_P): Define.
6509         (TYPE_SATURATING): Define.
6510         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6511         (struct tree_fixed_cst): New.
6512         (TYPE_IBIT, TYPE_FBIT): Define.
6513         (tree_node): Add fixed_cst.
6514         (enum tree_index): Add new enumeration values of
6515         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6516         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6517         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6518         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6519         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6520         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6521         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6522         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6523         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6524         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6525         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6526         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6527         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6528         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6529         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6530         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6531         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6532         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6533         (sat_short_fract_type_node, sat_fract_type_node,
6534         sat_long_fract_type_node, sat_long_long_fract_type_node,
6535         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6536         sat_unsigned_long_fract_type_node,
6537         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6538         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6539         unsigned_short_fract_type_node, unsigned_fract_type_node,
6540         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6541         sat_short_accum_type_node, sat_accum_type_node,
6542         sat_long_accum_type_node, sat_long_long_accum_type_node,
6543         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6544         sat_unsigned_long_accum_type_node,
6545         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6546         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6547         unsigned_short_accum_type_node, unsigned_accum_type_node,
6548         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6549         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6550         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6551         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6552         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6553         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6554         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6555         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6556         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6557         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6558         sat_uda_type_node, sat_uta_type_node): New macro.
6559         (make_fract_type, make_accum_type): Declare.
6560         (make_signed_fract_type, make_unsigned_fract_type,
6561         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6562         make_signed_accum_type, make_unsigned_accum_type,
6563         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6564         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6565         make_or_reuse_sat_signed_fract_type,
6566         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6567         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6568         make_or_reuse_sat_unsigned_accum_type): New macro.
6569         (fixed_zerop): Declare.
6570         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6571         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6572         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6573         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6574         * treestruct.def: Add TS_FIXED_CST.
6575         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6576         (tree.o): Likewise.
6577         (tree-dump.o): Likewise.
6578         (print-tree.o): Likewise.
6579         (tree-pretty-print.o): Likewise.
6580         (fold-const.o): Likewise.
6581         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6582         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6583         (is_gimple_min_invariant): Handle FIXED_CST.
6584         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6585         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6586         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6587         (layout_type): Handle FIXED_POINT_TYPE.
6588         (make_fract_type, make_accum_type): New functions.
6589         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6590         * tree-dump.c (fixed-value.h): New include.
6591         (dump_fixed): New function.
6592         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6593         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6594         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6595         * tree-pretty-print.c (fixed-value.h): New include.
6596         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6597         FIXED_CONVERT_EXPR.
6598         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6599         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6600         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6601         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6602         for non-saturating fixed-point types.
6603         (reassociate_bb): Likewise.
6604         * emit-rtl.c (fixed-value.h): New include.
6605         (fconst0, fconst1): New array.
6606         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6607         * tree-vect-generic.c expand_vector_operation): Support
6608         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6609         MODE_VECTOR_UACCUM.
6610         (type_for_widest_vector_mode): Add one parameter for the 
6611         saturating flag.
6612         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6613         vector mode.
6614         Pass the satp parameter to type_for_mode for fixed-point types.
6615         (expand_vector_operations_1): Pass the saturating flag to
6616         type_for_widest_vector_mode.
6617         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6618         and MODE_VECTOR_UACCUM.
6619         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6620         (vectorizable_condition): Likewise.
6621         * tree.c (fixed-value.h): New include.
6622         (tree_code_size): Support FIXED_CST.
6623         (build_fixed): New function.
6624         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6625         (fixed_zerop): New function.
6626         (tree_node_structure): Support FIXED_CST.
6627         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6628         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6629         (type_hash_eq): Handle FIXED_POINT_TYPE.
6630         (simple_cst_equal): Support FIXED_CST.
6631         (iterative_hash_expr): Handle FIXED_CST.
6632         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6633         (get_narrower): Likewise.
6634         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6635         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6636         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6637         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6638         nodes.
6639         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6640         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6641         (initializer_zerop): Support FIXED_CST.
6642         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6643         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6644         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6645         (is_base_type): Handle FIXED_POINT_TYPE.
6646         (add_type_attribute): Handle FIXED_POINT_TYPE.
6647         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6648         * print-tree.c (fixed-value.h): New include.
6649         (print_node_brief): Support FIXED_CST.
6650         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6651         * c-pretty-print.c (fixed-value.h): New include.
6652         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6653         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6654         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6655         Support fixed-point types for inner items in VECTOR_TYPE.
6656         (pp_c_direct_declarator): Likewise.
6657         (pp_c_declarator): Likewise.
6658         (pp_c_fixed_constant): New function.
6659         (pp_c_constant): Handle FIXED_CST.
6660         (pp_c_primary_expression): Likewise.
6661         (pp_c_expression): Likewise.
6662         * fold-const.c (fixed-value.h): New include.
6663         (negate_expr_p): Return true for FIXED_CST.
6664         (fold_negate_expr): Support FIXED_CST.
6665         (split_tree): Support FIXED_CST.
6666         (const_binop): Support FIXED_CST.
6667         (fold_convert_const_int_from_fixed): New function to convert from
6668         fixed to int.
6669         (fold_convert_const_real_from_fixed): New function to convert from
6670         fixed to real.
6671         (fold_convert_const_fixed_from_fixed): New function to convert from
6672         fixed to another fixed.
6673         (fold_convert_const_fixed_from_int): New function to convert from
6674         int to fixed.
6675         (fold_convert_const_fixed_from_real): New function to convert from
6676         real to fixed.
6677         (fold_convert_const): Support conversions from fixed to int, from
6678         fixed to real, from fixed to fixed, from int to fixed, and from real
6679         to fixed.
6680         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
6681         (operand_equal_p): Support FIXED_CST.
6682         (make_range): For fixed-point modes, we need to pass the
6683         saturating flag as the 2nd parameter.
6684         (tree_swap_operands_p): Handle FIXED_CST.
6685         (fold_plusminus_mult_expr): For fract modes, we cannot generate
6686         constant 1.
6687         (fold_unary): Support FIXED_CONVERT_EXPR.
6688         (fold_binary): Handle FIXED_CST.
6689         Make sure the type is not saturating, before associating operations.
6690         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
6691         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
6692         (fold_negate_const): Support FIXED_CST.
6693         (fold_relational_const): Support FIXED_CST.
6694         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
6695         (gimplify_expr): Handle FIXED_CST.
6696         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
6697         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
6698         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
6699         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
6700         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6701         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6702         LONG_LONG_ACCUM_TYPE_SIZE.
6703         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
6704         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
6705         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
6706         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
6707         MODE_ACCUM, and MODE_UACCUM.
6708         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
6709         fixed-point types to disable reduction.
6710         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
6711
6712 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
6713
6714         * config/rs6000/x-rs6000: New file.
6715         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
6716         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
6717         (EXTRA_SPEC_FUNCTIONS): Define.
6718         (HAVE_LOCAL_CPU_DETECT): Define.
6719         (CC1_CPU_SPEC): Define.
6720         * config/rs6000/driver-rs6000.c: New file.
6721         * config/rs6000/aix.h (CC1_SPEC): Define.
6722         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
6723         * config.host: Add x-rs6000 to host_xmake_file if host and target
6724         are rs6000 or powerpc.
6725
6726 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
6727
6728         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
6729
6730 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6731             Sandra Loosemore  <sandra@codesourcery.com>
6732             Chao-ying Fu  <fu@mips.com>
6733             Nigel Stephens  <nigel@mips.com>
6734             David Ung  <davidu@mips.com>
6735
6736         * doc/invoke.texi (-mcode-readable): Document.
6737         * config/mips/mips.opt (mcode-readable): New option.
6738         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
6739         * config/mips/mips.h (mips_code_readable_setting): New enum.
6740         (mips_code_readable): Declare.
6741         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
6742         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
6743         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
6744         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
6745         boiler-plate comments.
6746         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6747         * config/mips/mips.c (mips_code_readable): New variable.
6748         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
6749         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
6750         context and -mcode-readable setting to restrict the use of
6751         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
6752         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
6753         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
6754         (mips_blocks_for_constant_p): Only return false for
6755         TARGET_MIPS16_PCREL_LOADS.
6756         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
6757         for MIPS16.  Handle SYMBOL_32_HIGH.
6758         (mips_const_insns): Allow HIGHs for MIPS16 too.
6759         (mips_unspec_address_offset): New function, split out from...
6760         (mips_unspec_address): ...here.
6761         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
6762         16-bit symbolic constants.  Assert approropiate conditions for
6763         using the "la" and "dla" macros.
6764         (mips_handle_option): Handle -mcode-readable=.
6765         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
6766         Set up mips_lo_relocs[SYMBOL_32_HIGH].
6767         (mips_strip_unspec_address): New function, split out from...
6768         (print_operand_reloc): ...here.
6769         (print_operand): Pass constants through mips_strip_unspec_address.
6770         (print_operand_address): Likewise.
6771         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
6772         (mips_select_rtx_section): Remove MIPS16 handling.
6773         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
6774         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
6775         (mips16_lay_out_constants): Do nothing unless
6776         TARGET_MIPS16_PCREL_LOADS.
6777         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
6778         * config/mips/mips.md: Split HIGHs for MIPS16.
6779         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
6780
6781 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6782
6783         * config/mips/mips-protos.h (mips_emit_move): Declare.
6784         * config/mips/mips.c (mips_emit_move): New function.
6785         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
6786         (mips_legitimize_const_move): Likewise.
6787         (mips_legitimize_move): Likewise.
6788         (mips_split_64bit_move): Likewise.
6789         (mips_restore_gp): Likewise.
6790         (mips_load_call_address): Likewise.
6791         (mips_emit_fcc_reload): Likewise.
6792         (mips_set_return_address): Likewise.
6793         (mips_block_move_straight): Likewise.
6794         (mips_block_move_loop): Likewise.
6795         (mips_setup_incoming_varargs): Likewise.
6796         (mips_save_reg): Likewise.
6797         (mips_expand_prologue): Likewise.
6798         (mips_restore_reg): Likewise.
6799         (mips_expand_epilogue): Likewise.
6800         (mips_output_mi_thunk): Likewise.
6801         (build_mips16_call_stub): Likewise.
6802         (mips_builtin_branch_and_move): Likewise.
6803         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
6804         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
6805         (fixuns_truncdfdi2): Likewise.
6806         (fixuns_truncsfsi2): Likewise.
6807         (fixuns_truncsfdi2): Likewise.
6808         (loadgp_absolute): Likewise.
6809         (builtin_setjmp_setup): Likewise.
6810         (builtin_longjmp): Likewise.
6811         (untyped_call): Likewise.
6812
6813 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6814
6815         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
6816         an "rtx *" argument.  Return a bool.
6817         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
6818         values and return true if they can be split.  Take the same kind of
6819         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
6820         and store the lo_sum there if nonnull.  Use the symbol type to
6821         determine whether a $gp or HIGH is needed.
6822         (mips_legitimize_address): Update call to mips_split_symbol and
6823         simplify accordingly.
6824         (mips_legitimize_const_move): Likewise.
6825         * config/mips/mips.md: In the combine define_split,
6826         check mips_split_symbol instead of splittable_symbolic_operand.
6827         Update use of mips_split_symbol in the generator code.
6828         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
6829
6830 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6831
6832         * config/mips/mips.c (mips_symbolic_address_p): Delete.
6833         (mips_symbol_insns_1): New function, split out from...
6834         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
6835         and stores separately from load addresses.
6836         (mips_classify_address): Replace uses of mips_symbolic_address_p
6837         with uses of mips_symbol_insns.
6838         (mips_address_insns): Update calls to mips_symbol_insns.
6839         (mips_const_insns): Likewise.
6840         (mips_legitimize_address): Likewise.
6841
6842 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6843
6844         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
6845         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
6846         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
6847         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
6848         non-call contexts if TARGET_MIPS16.
6849         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
6850         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
6851         code for SYMBOL_ABSOLUTE.
6852         (mips_symbol_insns): Likewise.
6853
6854 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6855
6856         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
6857         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
6858         (mips_symbolic_constant_p): Likewise.  Update the call to
6859         mips_classify_symbol.
6860         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
6861         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
6862         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
6863         (print_operand_reloc): Add a context argument.  Update the call to
6864         mips_symbolic_constant_p.
6865         (print_operand): Update the calls to print_operand_reloc.
6866         (print_operand_address): Use print_operand_reloc rather than
6867         print_operand.
6868         (mips_rewrite_small_data_p): Add a context argument.  Update the call
6869         to mips_symbolic_constant_p.
6870         (mips_small_data_pattern_1): Make DATA the containing mem.
6871         Update the call to mips_rewrite_small_data_p.
6872         (mips_rewrite_small_data_1): Likewise.
6873         (mips_use_anchors_for_symbol_p): Update the call to
6874         mips_symbolic_constant_p.
6875         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6876         (splittable_symbolic_operand): Likewise.
6877         (move_operand): Likewise.
6878         (absolute_symbolic_operand): Likewise.
6879         (got_disp_operand): Likewise.
6880         (got_page_ofst_operand): Likewise.
6881
6882 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
6883
6884         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
6885         (SYMBOL_ABSOLUTE): ...this.
6886         (SYMBOL_SMALL_DATA): Rename to...
6887         (SYMBOL_GP_RELATIVE): ...this.
6888         (SYMBOL_CONSTANT_POOL): Rename to...
6889         (SYMBOL_PC_RELATIVE): ...this.
6890         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
6891         (mips_symbolic_address_p, mips_symbol_insns, override_options)
6892         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
6893         after above changes.
6894         * config/mips/predicates.md (const_call_insn_operand): Likewise.
6895         (general_symbolic_operand): Rename to...
6896         (absolute_symbolic_operand): ...this.
6897         * config/mips/mips.md: Update after above changes.
6898
6899 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
6900             Revital Eres  <eres@il.ibm.com>
6901
6902         * ddg.c (print_ddg): Add dump information.
6903         * modulo-sched.c (print_node_sched_params): Add parameter and
6904         verbosity.
6905         (calculate_maxii): Remove function.
6906         (undo_generate_reg_moves): Likewise.
6907         (undo_permute_partial_schedule): Likewise.
6908         (kernel_number_of_cycles): Likewise.
6909         (MAXII_FACTOR): New definition to calculate the upper bound of II.
6910         (sms_schedule): Use it.  Remove profitability checks.
6911         (sms_schedule_by_order): Fix order of nodes within the cycle.
6912
6913 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6914
6915         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
6916         -profile option, add pie support.
6917         (ENDFILE_SPEC): New spec.
6918         * config/gnu.h (LIB_SPEC): Add -profile option.
6919
6920 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
6921
6922         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
6923         * config/gnu.h (LIB_SPEC): Likewise.
6924
6925 2007-08-07  Yaz Saito  <saito@google.com>
6926             Ian Lance Taylor  <iant@google.com>
6927
6928         * common.opt (finstrument-functions-exclude-function-list): New
6929         option.
6930         (finstrument-functions-exclude-file-list): New option.
6931         * opts.c (char_p): Define and DEF_VEC.
6932         (flag_instrument_functions_exclude_functions): New static
6933         variable.
6934         (flag_instrument_functions_exclude_files): New static variable.
6935         (add_instrument_functions_exclude_list): New static function.
6936         (flag_instrument_functions_exclude_p): New function.
6937         (common_handle_option): Handle new options.
6938         * flags.h (flag_instrument_functions_exclude_p): Declare.
6939         * gimplify.c (gimplify_function_tree): Call
6940         flag_instrument_functions_exclude_p.
6941         * doc/invoke.texi (Option Summary): Mention new options.
6942         (Code Gen Options): Document new options.
6943
6944 2007-08-07  Ian Lance Taylor  <iant@google.com>
6945
6946         PR rtl-optimization/32776
6947         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
6948         (resolve_use): Likewise.
6949         (decompose_multiword_subregs): Remove "changed" local variable.
6950
6951 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
6952
6953         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
6954         * configure: Regenerate.
6955         * config.in: Regenerate.
6956         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
6957         spec string.
6958
6959 2007-08-07  Ian Lance Taylor  <iant@google.com>
6960
6961         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
6962         note, just delete the insn.
6963
6964 2007-08-07  Andreas Schwab  <schwab@suse.de>
6965
6966         PR bootstrap/32973
6967         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
6968         struct definition.
6969
6970 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6971
6972         * lower-subreg.c (resolve_subreg_use): Remove assertion.
6973         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
6974         (decompose_multiword_subregs): Use the functions above to decompose
6975         multiword shifts and zero-extends.
6976
6977 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6978
6979         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
6980         "assemble" descriptions which were swapped.
6981
6982 2007-08-06  Chao-ying Fu  <fu@mips.com>
6983
6984         * fixed-value.h: New file.
6985         * fixed-value.c: New file.
6986         * Makefile.in (OBJS-common): Add fixed-value.o.
6987         (fixed-value.o): New rule.
6988         (GTFILES): Add fixed-value.h.
6989         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
6990         to compare a.low and b.low.
6991         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
6992
6993 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
6994             Daniel Jacobowitz  <dan@codesourcery.com>
6995
6996         PR target/31868
6997         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
6998         tmake_file.
6999         (x86_64-*-netbsd*): Likewise.
7000         (x86_64-*-linux*): Likewise.
7001         (x86_64-*-kfreebsd*-gnu): Likewise.
7002         (x86_64-*-knetbsd*-gnu): Likewise.
7003         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7004
7005         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7006
7007         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7008         Add -fno-asynchronous-unwind-tables.
7009
7010         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7011         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7012         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7013         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7014         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7015
7016 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7017
7018         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7019         (TARGET_C_MODE_FOR_SUFFIX): New.
7020
7021 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7022
7023         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7024
7025 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7026
7027         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7028
7029 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7030
7031         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7032         before checking function returns in conditional expressions.
7033
7034 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7035
7036         PR pch/13676
7037         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7038
7039 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7040
7041         PR middle-end/32988
7042         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7043         for INTEGRAL_TYPE_P.
7044
7045 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7046
7047         * configure.ac: Remove --enable-checking=df from default settings.
7048         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7049         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7050         if the parameter is true.
7051         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7052         DF_VERIFY_SCHEDULED flag is true.
7053         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7054         (df_finish_pass): Adjust prototype.
7055         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7056         true.
7057
7058         * see.c (pass_see): Add TODO_df_verify.
7059         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7060         * global.c (rest_of_handle_global_alloc): Schedule verification
7061         after the pass.
7062         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7063         before the pass.
7064         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7065         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7066         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7067
7068         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7069         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7070         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7071
7072 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7073             Revital Eres <eres@il.ibm.com>
7074
7075         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7076         flag.
7077         * ddg.c (create_ddg_dependence): Rename to...
7078         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7079         for interloop edges.  Do not create anti dependence edge when
7080         a true dependence edge exists in the opposite direction and
7081         -fmodulo-sched-allow-regmoves is set.
7082         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7083         (add_cross_iteration_register_deps): Create anti dependence edge
7084         when -fno-modulo-sched-allow-regmoves is set.
7085         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7086
7087 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7088
7089         * config/arm/arm.md (movsi): Add braces.
7090
7091 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7092
7093         PR middle-end/32780
7094         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7095         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7096         to type.
7097
7098 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7099
7100         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7101         state accessor functions.
7102         * cfgloopmanip.c (remove_path, create_preheaders,
7103         force_single_succ_latches, fix_loop_structure): Ditto.
7104         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7105         tree_duplicate_loop_to_header_edge): Ditto.
7106         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7107         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7108         Ditto.
7109         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7110         cleanup_tree_cfg): Ditto.
7111         * tree-cfg.c (tree_merge_blocks): Ditto.
7112         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7113         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7114         loop_preheader_edge, single_exit): Ditto.
7115         (flow_loops_find): Do not clear loops->state.
7116         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7117         loops_state_clear): New functions.
7118
7119 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7120
7121         PR middle-end/32399
7122         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7123         when adding to the base and convert ELT to sizetype instead of type.
7124
7125 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7126
7127         PR middle-end/32304
7128         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7129         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7130
7131 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7132
7133         PR middle-end/32935
7134         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7135          correct type the negate expression.
7136
7137 2007-08-03  Jan Hubicka  <jh@suse.cz>
7138
7139         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7140         stack boundary.
7141
7142 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7143
7144         * config/rs6000/rs6000.c (struct processor_cost): Change
7145         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7146         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7147         information.
7148         (rios1_costs, rios2_cost): Correct cache line size.
7149         (rs6000_override_options): Set l2-cache-size parameter.
7150
7151 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7152             Diego Novillo  <dnovillo@google.com>
7153
7154         PR 31521
7155         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7156         if the range includes 0.
7157
7158 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7159
7160         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7161         mode to unspec expressions to silence a warning from the generator
7162         programs.
7163         
7164 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7165
7166         * config/ia64/constraints.md ("U"): Make constraint vector only.
7167
7168 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7169
7170         PR middle-end/25446
7171         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7172         always_inline attribute on the function decl.
7173
7174 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7175
7176         PR middle-end/25445
7177         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7178         if we are compiling with -fPIC.
7179
7180 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7181             Nigel Stephens  <nigel@mips.com>
7182
7183         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7184         Define for MIPS32 and MIPS64.
7185
7186 2007-08-02  Nick Clifton  <nickc@redhat.com>
7187
7188         * config/host-hpux.c: Change copyright header to refer to version
7189         3 of the GNU General Public License and to point readers at the
7190         COPYING3 file and the FSF's license web page.
7191         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7192         config/alpha/linux.h, config/alpha/alpha.opt,
7193         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7194         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7195         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7196         config/alpha/alpha.h, config/alpha/sync.md,
7197         config/alpha/openbsd.h, config/alpha/alpha.md,
7198         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7199         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7200         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7201         config/alpha/constraints.md, config/alpha/osf.h,
7202         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7203         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7204         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7205         config/frv/frv-asm.h, config/frv/frv-protos.h,
7206         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7207         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7208         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7209         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7210         config/s390/s390.opt, config/s390/s390-modes.def,
7211         config/s390/fixdfdi.h, config/s390/constraints.md,
7212         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7213         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7214         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7215         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7216         config/m32c/prologue.md, config/m32c/m32c.abi,
7217         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7218         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7219         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7220         config/m32c/jump.md, config/m32c/shift.md,
7221         config/m32c/m32c-protos.h, config/libgloss.h,
7222         config/spu/spu-protos.h, config/spu/predicates.md,
7223         config/spu/spu-builtins.h, config/spu/spu.c,
7224         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7225         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7226         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7227         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7228         config/sparc/hypersparc.md, config/sparc/predicates.md,
7229         config/sparc/linux.h, config/sparc/sp64-elf.h,
7230         config/sparc/supersparc.md, config/sparc/cypress.md,
7231         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7232         config/sparc/niagara.md, config/sparc/sparc.md,
7233         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7234         config/sparc/sparc.opt, config/sparc/sync.md,
7235         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7236         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7237         config/sparc/sparc.c, config/sparc/little-endian.opt,
7238         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7239         config/sparc/linux64.h, config/sparc/freebsd.h,
7240         config/sparc/sol2.h, config/sparc/rtemself.h,
7241         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7242         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7243         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7244         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7245         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7246         config/m32r/linux.h, config/m32r/constraints.md,
7247         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7248         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7249         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7250         config/i386/i386.md, config/i386/netware-crt0.c,
7251         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7252         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7253         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7254         config/i386/sol2.h, config/i386/constraints.md,
7255         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7256         config/i386/predicates.md, config/i386/geode.md,
7257         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7258         config/i386/freebsd64.h, config/i386/vxworksae.h,
7259         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7260         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7261         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7262         config/i386/netware.h, config/i386/i386-modes.def,
7263         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7264         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7265         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7266         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7267         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7268         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7269         config/i386/xm-mingw32.h, config/i386/linux64.h,
7270         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7271         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7272         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7273         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7274         config/i386/cygwin2.c, config/i386/i386-protos.h,
7275         config/i386/sync.md, config/i386/openbsd.h,
7276         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7277         config/i386/nto.h, config/i386/biarch64.h,
7278         config/i386/i386-coff.h, config/i386/freebsd.h,
7279         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7280         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7281         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7282         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7283         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7284         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7285         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7286         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7287         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7288         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7289         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7290         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7291         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7292         config/sh/superh64.h, config/sh/rtemself.h,
7293         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7294         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7295         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7296         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7297         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7298         config/avr/predicates.md, config/avr/constraints.md,
7299         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7300         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7301         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7302         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7303         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7304         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7305         config/c4x/predicates.md, config/c4x/c4x.h,
7306         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7307         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7308         config/xtensa/linux.h, config/xtensa/xtensa.h,
7309         config/xtensa/elf.h, config/xtensa/xtensa.md,
7310         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7311         config/xtensa/xtensa-protos.h, config/dbx.h,
7312         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7313         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7314         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7315         config/host-solaris.c, config/fr30/fr30.h,
7316         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7317         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7318         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7319         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7320         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7321         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7322         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7323         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7324         config/cris/predicates.md, config/cris/linux.h,
7325         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7326         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7327         config/cris/aout.opt, config/cris/cris-protos.h,
7328         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7329         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7330         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7331         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7332         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7333         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7334         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7335         config/chorus.h, config/mn10300/mn10300.c,
7336         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7337         config/mn10300/mn10300.h, config/mn10300/linux.h,
7338         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7339         config/mn10300/mn10300.md, config/ia64/predicates.md,
7340         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7341         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7342         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7343         config/ia64/freebsd.h, config/ia64/ia64.md,
7344         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7345         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7346         config/gofast.h, config/rtems.h, config/sol2-10.h,
7347         config/m68k/predicates.md, config/m68k/m68k.md,
7348         config/m68k/linux.h, config/m68k/m68k-modes.def,
7349         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7350         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7351         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7352         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7353         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7354         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7355         config/m68k/constraints.md, config/m68k/rtemself.h,
7356         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7357         config/m68k/uclinux.h, config/rs6000/power4.md,
7358         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7359         config/rs6000/linux.h, config/rs6000/eabi.h,
7360         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7361         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7362         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7363         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7364         config/rs6000/windiss.h, config/rs6000/603.md,
7365         config/rs6000/aix41.h, config/rs6000/cell.md,
7366         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7367         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7368         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7369         config/rs6000/default64.h, config/rs6000/7xx.md,
7370         config/rs6000/darwin.opt, config/rs6000/spe.md,
7371         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7372         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7373         config/rs6000/7450.md, config/rs6000/linux64.h,
7374         config/rs6000/constraints.md, config/rs6000/440.md,
7375         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7376         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7377         config/rs6000/rs6000.h, config/rs6000/power6.md,
7378         config/rs6000/predicates.md, config/rs6000/altivec.md,
7379         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7380         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7381         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7382         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7383         config/rs6000/linux64.opt, config/rs6000/sync.md,
7384         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7385         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7386         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7387         config/rs6000/eabispe.h, config/rs6000/e500.h,
7388         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7389         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7390         config/rs6000/aix.h, config/rs6000/vxworks.h,
7391         config/rs6000/40x.md, config/rs6000/aix51.h,
7392         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7393         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7394         config/arc/arc.h, config/mcore/mcore-elf.h,
7395         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7396         config/mcore/mcore.md, config/mcore/mcore.c,
7397         config/mcore/mcore.opt, config/mcore/mcore.h,
7398         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7399         config/score/predicates.md, config/score/score-version.h,
7400         config/score/score-protos.h, config/score/misc.md,
7401         config/score/elf.h, config/score/score.c, config/score/mac.md,
7402         config/score/score7.md, config/score/score.h,
7403         config/score/score-conv.h, config/score/score-mdaux.c,
7404         config/score/score.md, config/score/score.opt,
7405         config/score/score-modes.def, config/score/score-mdaux.h,
7406         config/score/mul-div.S, config/arm/uclinux-elf.h,
7407         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7408         config/arm/symbian.h, config/arm/linux-elf.h,
7409         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7410         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7411         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7412         config/arm/strongarm-pe.h, config/arm/arm.h,
7413         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7414         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7415         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7416         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7417         config/arm/arm-cores.def, config/arm/arm-protos.h,
7418         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7419         config/arm/wince-pe.h, config/arm/neon.md,
7420         config/arm/constraints.md, config/arm/neon.ml,
7421         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7422         config/arm/arm.opt, config/arm/arm926ejs.md,
7423         config/arm/predicates.md, config/arm/iwmmxt.md,
7424         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7425         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7426         config/arm/neon-testgen.ml, config/arm/arm.md,
7427         config/arm/xscale-coff.h, config/arm/pe.c,
7428         config/arm/arm-generic.md, config/arm/pe.h,
7429         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7430         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7431         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7432         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7433         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7434         config/pa/predicates.md, config/pa/pa64-hpux.h,
7435         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7436         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7437         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7438         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7439         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7440         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7441         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7442         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7443         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7444         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7445         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7446         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7447         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7448         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7449         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7450         config/mips/linux64.h, config/mips/elforion.h,
7451         config/mips/constraints.md, config/mips/generic.md,
7452         config/mips/predicates.md, config/mips/4300.md,
7453         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7454         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7455         config/mips/5k.md, config/mips/vr4120-div.S,
7456         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7457         config/mips/mips-protos.h, config/mips/6000.md,
7458         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7459         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7460         config/mips/mips-modes.def, config/mips/vr.h,
7461         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7462         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7463         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7464         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7465         config/vax/openbsd1.h, config/vax/netbsd.h,
7466         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7467         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7468         config/h8300/rtems.h, config/h8300/predicates.md,
7469         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7470         config/h8300/h8300.md, config/h8300/h8300.opt,
7471         config/h8300/coff.h, config/h8300/h8300-protos.h,
7472         config/v850/v850.md, config/v850/predicates.md,
7473         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7474         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7475         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7476         config/mmix/mmix.h, config/mmix/predicates.md,
7477         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7478         config/mmix/mmix.c, config/mmix/mmix.opt,
7479         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7480         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7481         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7482         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7483         Likewise.
7484
7485 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7486
7487         * emit-rtl.c (reset_used_decls): Rename to...
7488         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7489         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7490         DECL_RTLs rather than resetting them.
7491
7492 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7493
7494         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7495
7496 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7497
7498         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7499         argument to find_reloads_address.
7500
7501 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7502
7503         PR tree-optimization/32919
7504         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7505         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7506         (coalesce_ssa_name): Call it.
7507
7508 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7509             David Ung  <davidu@mips.com>
7510
7511         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7512         (__mips16_unorddf2, __mips16_floatunsidf): New.
7513         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7514         above functions.
7515         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7516
7517 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7518
7519         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7520         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7521         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7522         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7523         * omp-low.c (get_ws_args_for, determine_parallel_type,
7524         expand_omp_for_generic, expand_omp_for_static_nochunk,
7525         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7526         Work with more precise CFG.
7527         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7528         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7529         OMP_CONTINUE.
7530         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7531         * gimple-low.c (lower_stmt): Ditto.
7532         * tree-inline.c (estimate_num_insns_1): Ditto.
7533         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7534         (OMP_SECTIONS_SWITCH): New.
7535         * tree-cfgcleanup.c (cleanup_omp_return): New.
7536         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7537         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7538         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7539         (tree_redirect_edge_and_branch): Handle omp constructs.
7540
7541         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7542         with three arguments.
7543
7544 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7545
7546         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7547         in loop closed ssa.
7548
7549 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7550
7551         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7552         the loop structures may need fixing.
7553         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7554         New functions.
7555         (cleanup_tree_cfg_loop): Removed.
7556         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7557         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7558         instead of running cleanup_tree_cfg_loop.
7559         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7560         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7561         (tree_predictive_commoning): Declaration changed.
7562         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7563
7564 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7565
7566         * doc/invoke.texi (l1-cache-size): Update documentation.
7567         (l2-cache-size): Document.
7568         * params.h (L2_CACHE_SIZE): New macro.
7569         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7570         that L1_CACHE_SIZE is in kB now.
7571         (L2_CACHE_SIZE_BYTES): New macro.
7572         (tree_ssa_prefetch_arrays): Show size in kB.
7573         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7574         and l2_cache_size fields.
7575         * config/i386/driver-i386.c (describe_cache): Detect cache size
7576         in kB.
7577         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7578         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7579         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7580         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7581         (override_options): Set l1-cache-size and l2-cache-size to default
7582         values if not specified otherwise.
7583         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7584         (PARAM_L2_CACHE_SIZE): New.
7585
7586 2007-08-01  Nigel Stephens  <nigel@mips.com>
7587             David Ung  <davidu@mips.com>
7588             Thiemo Seufer  <ths@mips.com>
7589             Chris Dearman  <chris@mips.com>
7590             Richard Sandiford  <richard@codesourcery.com>
7591
7592         * config.gcc (mips*-sde-elf*): New stanza.
7593         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7594         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7595         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7596         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7597         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7598         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7599         to tmake_file.
7600         * config/mips/sde.h: New file.
7601         * config/mips/t-libgcc-mips16: Likewise.
7602         * config/mips/t-sde: Likewise.
7603         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7604         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7605         _MIPS_FPSET and _MIPS_SZINT.
7606         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7607         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7608         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7609         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7610         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7611         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7612         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7613         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7614         _MIPS_SZPTR and _MIPS_FPSET.
7615         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7616         architecture is specified.
7617         (MIPS_32BIT_OPTION_SPEC): New macro.
7618
7619 2007-07-31  Dan Hipschman  <dsh@google.com>
7620
7621         * gcc.c (end_going_arg): New function.
7622         (do_spec_2): Use it.
7623         (do_spec_1): Use it.
7624
7625 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7626
7627         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7628         only if ENABLE_CHECKING is defined.
7629
7630 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7631
7632         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7633         df_ru_add_problem, df_ru_get_bb_info): Removed.
7634         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7635         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7636         df_ru_free_bb_info, df_ru_alloc,
7637         df_ru_bb_local_compute_process_def,
7638         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7639         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7640         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7641         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7642         df_ru_add_problem): Removed.
7643
7644 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7645
7646         PR target/32847
7647         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7648         (casesi32p, casesi64p): Likewise.
7649         (casesi): Adjust for above.
7650
7651 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7652
7653         * mode-switching.c (create_pre_exit): Don't search past calls.
7654
7655 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7656
7657         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7658
7659 2007-07-31  Revital Eres  <eres@il.ibm.com>
7660
7661         * ddg.c (add_deps_for_def): Rename to...
7662         (add_cross_iteration_register_deps): This.  Change implementation
7663         to use only reaching def and def-use chains to construct the
7664         inter loop dependencies.
7665         (add_deps_for_use): Remove function.
7666         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7667         function to build the inter loop dependencies.
7668         * modulo-sched.c (sms_schedule): Build only
7669         reaching def and def-use chains for the propose of the ddg
7670         construction.
7671
7672 2007-07-31  Julian Brown  <julian@codesourcery.com>
7673
7674         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7675         New define_insns. Use correct RTL.
7676         (vec_set<mode>): Write as expander.
7677
7678 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7679
7680         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring 
7681         to an unallocated space.
7682
7683 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
7684
7685         * tree-data-ref.c
7686         (split_constant_offset): Enable split_constant_offset to extract
7687         constants from other statements.
7688         * tree-vect-transform.c
7689         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
7690         to a temp var. Force base_offset to be simple.
7691
7692 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
7693
7694         * df-scan.c (df_scan_verify): Remove artificial limit on
7695         the number of blocks for verification.
7696         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
7697         df_simulate_defs): Avoid unnecessary insn checking for defs.
7698
7699 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
7700
7701         * config/m68k/lb1sf68.asm (FUNC): New macro.
7702         (__mulsi3): Use it.
7703         (__udivsi3): Likewise.
7704         (__divsi3): Likewise.
7705         (__umodsi3): Likewise.
7706         (__modsi3): Likewise.
7707         (__subdf3): Likewise.
7708         (__adddf3): Likewise.
7709         (__muldf3): Likewise.
7710         (__divdf3): Likewise.
7711         (__negdf2): Likewise.
7712         (__cmpdf2): Likewise.
7713         (__subsf3): Likewise.
7714         (__addsf3): Likewise.
7715         (__mulsf3): Likewise.
7716         (__divsf3): Likewise.
7717         (__negsf2): Likewise.
7718         (__cmpsf2): Likewise.
7719         (__eqdf2): Likewise.
7720         (__nedf2): Likewise.
7721         (__gtdf2): Likewise.
7722         (__gedf2): Likewise.
7723         (__ltdf2): Likewise.
7724         (__ledf2): Likewise.
7725         (__eqsf2): Likewise.
7726         (__nesf2): Likewise.
7727         (__gtsf2): Likewise.
7728         (__gesf2): Likewise.
7729         (__ltsf2): Likewise.
7730         (__lesf2): Likewise.
7731
7732 2007-07-30  Ollie Wild  <aaw@google.com>
7733
7734         * c-ppoutput.c (print_lines_directives_only): New function.
7735         (scan_translation_unit_directives_only): New function.
7736         (preprocess_file): Add call to scan_translation_unit_directives_only.
7737         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
7738         (sanitize_cpp_opts): Add default flag_dump_macros setting for
7739         -fdirectives-only.  Add errors for -fdirectives-only conflict with
7740         -Wunused-macros and -traditional.
7741         (finish_options): Add builtin macro initialization for
7742         -fdirectives-only + -fpreprocessed.
7743         * c.opt (fdirectives-only): New.
7744         * doc/cppopts.texi (fdirectives-only): New.
7745
7746 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7747
7748         * alias.c (record_set, memory_modified_1): Constify.
7749         * bt-load.c (note_btr_set): Likewise.
7750         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
7751         * combine.c (set_nonzero_bits_and_sign_copies,
7752         expand_field_assignment, record_dead_and_set_regs_1,
7753         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
7754         likely_spilled_retval_1): Likewise.
7755         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
7756         frv_io_handle_set): Likewise.
7757         * config/mips/mips.c (mips_sim_record_set,
7758         vr4130_true_reg_dependence_p_1): Likewise.
7759         * config/mt/mt.c (insn_dependent_p_1): Likewise.
7760         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
7761         * config/sh/sh.c (flow_dependent_p_1): Likewise.
7762         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
7763         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
7764         * ddg.c (mark_mem_store): Likewise.
7765         * df-problems.c (df_urec_mark_reg_change): Likewise.
7766         * function.c (update_epilogue_consts): Likewise.
7767         * gcse.c (record_set_info, record_last_set_info,
7768         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
7769         reg_clear_last_set): Likewise.
7770         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
7771         Likewise.
7772         * jump.c (reversed_comparison_code_parts): Likewise.
7773         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
7774         reg_is_set): Likewise.
7775         * loop-iv.c (mark_altered): Likewise.
7776         * mode-switching.c (reg_becomes_live): Likewise.
7777         * optabs.c (no_conflict_move_test): Likewise.
7778         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
7779         Likewise.
7780         * postreload.c (reload_combine_note_store, move2add_note_store):
7781         Likewise.
7782         * regmove.c (flags_set_1): Likewise.
7783         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
7784         Likewise.
7785         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
7786         Likewise. 
7787         * resource.c (update_live_status): Likewise.
7788         * rtl.h (set_of, note_stores): Likewise.
7789         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
7790         note_stores, parms_set): Likewise.
7791         * sched-rgn.c (sets_likely_spilled_1): Likewise.
7792         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
7793         Likewise. 
7794         * var-tracking.c (count_stores, add_stores): Likewise.
7795
7796 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7797
7798         * alias.c (mems_in_disjoint_alias_sets_p,
7799         fixed_scalar_and_varying_struct_p, aliases_everything_p,
7800         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
7801         write_dependence_p, mems_in_disjoint_alias_sets_p,
7802         read_dependence, true_dependence, canon_true_dependence,
7803         anti_dependence, output_dependence): Constify.
7804         * combine.c (extended_count): Likewise.
7805         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
7806         * cselib.c (get_value_hash, references_value_p,
7807         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
7808         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
7809         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
7810         * function.c (contains, prologue_epilogue_contains,
7811         sibcall_epilogue_contains): Likewise. 
7812         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
7813         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
7814         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
7815         reg_or_subregno): Likewise.
7816         * recog.c (asm_noperands): Likewise.
7817         * reload1.c (function_invariant_p): Likewise.
7818         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
7819         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
7820         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
7821         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
7822         true_regnum, reg_or_subregno, condjump_in_parallel_p,
7823         extended_count, prologue_epilogue_contains,
7824         sibcall_epilogue_contains, function_invariant_p, true_dependence,
7825         canon_true_dependence, read_dependence, anti_dependence,
7826         output_dependence): Likewise.
7827         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
7828
7829 2007-07-30  Julian Brown  <julian@codesourcery.com>
7830
7831         * config/arm/neon.md (V_ext): New mode attribute.
7832         (neon_vget_lane<mode>): Replace with define_expand.
7833         (neon_vget_lane<mode>_sext_internal)
7834         (neon_vget_lane<mode>_zext_internal): New define_insns for double
7835         and quad precision vectors.
7836         (neon_vget_lanedi): Add bounds check. Remove dead comment.
7837         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
7838         have typeless 32-bit result.
7839
7840 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7841
7842         PR tree-opt/32527
7843         * tree-affine.h (aff_tree): The type of rest is sizetype for types
7844         of pointers.
7845         * tree-affine.c (aff_combination_scale): If type is a pointer type,
7846         use sizetype for rest.
7847         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
7848         (aff_combination_convert): Don't convert rest for pointer types.
7849
7850 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7851
7852         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
7853
7854         * tree-ssa-alias.c: Add alloc-pool.h.
7855         (init_alias_info): Free alias_bitmap_obstack.
7856         (delete_alias_info): Call delete_mem_ref_stats.
7857         (get_mem_sym_stats_for): Use alloc_pool.
7858         (init_mem_ref_stats): Do not delete mem_ref_stats here.
7859         (delete_mem_sym_stats): Removed.
7860         
7861 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
7862
7863         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
7864         functions cannot be represented as classical distance vectors.
7865
7866 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7867
7868         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
7869         * builtins.c (validate_arg, builtin_mathfn_code,
7870         validate_arglist): Likewise.
7871         * calls.c (call_expr_flags): Likewise.
7872         * combine.c (reg_nonzero_bits_for_combine,
7873         reg_num_sign_bit_copies_for_combine, get_last_value,
7874         reg_truncated_to_mode): Likewise.
7875         * emit-rtl.c (subreg_lowpart_p): Likewise.
7876         * expr.c (highest_pow2_factor_for_target,
7877         categorize_ctor_elements_1, categorize_ctor_elements,
7878         count_type_elements, contains_packed_reference,
7879         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
7880         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
7881         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
7882         native_encode_int, native_encode_real, native_encode_complex,
7883         native_encode_vector, native_encode_expr, native_interpret_int,
7884         native_interpret_real, native_interpret_complex,
7885         native_interpret_vector, native_interpret_expr): Likewise.
7886         * function.c (use_register_for_decl): Likewise.
7887         * gimplify.c (get_name): Likewise.
7888         * langhooks-def.h (lhd_return_null_const_tree): New.
7889         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
7890         * langhooks.c (lhd_return_null_const_tree): New.
7891         * langhooks.h (lang_get_callee_fndecl): Constify.
7892         * output.h (constructor_static_from_elts_p): Likewise.
7893         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
7894         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
7895         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
7896         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
7897         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
7898         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
7899         * rtlhooks-def.h (reg_nonzero_bits_general,
7900         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
7901         Likewise. 
7902         * rtlhooks.c (reg_num_sign_bit_copies_general,
7903         reg_nonzero_bits_general, reg_truncated_to_mode_general):
7904         Likewise. 
7905         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
7906         * stor-layout.c (mode_for_size_tree): Likewise.
7907         * tree-ssa-loop-im.c (memref_eq): Likewise.
7908         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
7909         * tree.c (contains_placeholder_p, type_list_equal,
7910         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
7911         Likewise. 
7912         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
7913         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
7914         contains_placeholder_p, contains_packed_reference,
7915         get_callee_fndecl, operand_equal_for_phi_arg_p,
7916         warn_if_unused_value, is_body_block, native_encode_expr,
7917         native_interpret_expr, fold_convertible_p, operand_equal_p,
7918         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
7919         validate_arglist, simple_cst_equal, type_list_equal,
7920         use_register_for_decl, call_expr_flags, get_name,
7921         highest_pow2_factor): Likewise.
7922         (const_call_expr_arg_iterator_d,
7923         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
7924         first_const_call_expr_arg, more_const_call_expr_args_p,
7925         FOR_EACH_CONST_CALL_EXPR_ARG): New.
7926         * varasm.c (constructor_static_from_elts_p): Constify.
7927
7928 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
7929
7930         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
7931         config/arm/neon-schedgen.ml, config/arm/neon.ml,
7932         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
7933         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
7934         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
7935         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
7936         spelling conventions.
7937         * doc/invoke.texi: Follow spelling conventions.
7938
7939 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
7940             Revital Eres  <eres@il.ibm.com>
7941
7942         * modulo-sched.c (sms_schedule): Avoid loops which includes
7943         auto-increment instructions.
7944
7945 2007-07-28  Richard Guenther  <rguenther@suse.de>
7946
7947         PR middle-end/32920
7948         * fold-const.c (fold_cond_expr_with_comparison): Convert
7949         operand zero of MIN/MAX_EXPR to correct type.
7950
7951 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7952
7953         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
7954         flags_from_decl_or_type): Constify.
7955         * gcc.c (do_spec_1): Likewise.
7956         * print-tree.c (dump_addr, print_node_brief): Likewise.
7957         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
7958         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
7959         tree_purge_all_dead_eh_edges): Likewise.
7960         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
7961         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
7962         Likewise. 
7963         * tree.c (expr_location, expr_has_location, expr_locus,
7964         expr_filename, expr_lineno, get_inner_array_type,
7965         fields_compatible_p): Likewise.
7966         * tree.h (get_inner_array_type, fields_compatible_p,
7967         expr_location, expr_has_location, expr_locus, expr_filename,
7968         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
7969         setjmp_call_p, alloca_call_p): Likewise.
7970
7971 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
7972
7973         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
7974         TV_FLOW_INSENSITIVE.
7975
7976         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
7977         TV_CALL_CLOBBER.
7978         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
7979         (compute_flow_insensitive_aliasing): Ditto for
7980         TV_FLOW_INSENSITIVE.    
7981
7982 2007-07-27  Jan Hubicka  <jh@suse.cz>
7983
7984         * config/i386/i386.c (register_move_cost): Remove accidentally
7985         comitted #if 0 block.
7986
7987         * attribs.c: Include hashtab.h
7988         (attribute_hash): New.
7989         (substring): New structure.
7990         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
7991         New function.
7992         (init_attributes): Initialize attribute hash.
7993         (decl_attributes): Use attribute hash.
7994         * Makefile.in (attribs.c): Depend on hashtab.h.
7995
7996 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
7997
7998         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
7999
8000 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8001
8002         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8003         __mips_dspr2 and __mips_dsp_rev macros.
8004         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8005
8006 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8007         
8008        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8009
8010 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8011
8012         PR middle-end/32749
8013         
8014         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8015         and the updating of the live and do_not_gen sets.
8016         (df_note_bb_compute): Added updating of live and do_not_gen sets
8017         for regular defs so that the case of clobber inside conditional
8018         call is processed correctly.
8019         
8020 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8021
8022         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8023         operands with compatible type.
8024
8025 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8026
8027         * expr.h (store_bit_field): Don't return a value.
8028         * expmed.c (check_predicate_volatile_ok): New function.
8029         (store_bit_field_1): New function, extracted from store_bit_field.
8030         Take a fallback_p argument and return true if the operation succeeded.
8031         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8032         mode_for_extraction; use op_mode instead.  Try forcing memories
8033         into registers if the insv expander fails.
8034         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8035         Don't return a value.
8036         (convert_extracted_bit_field): New function, extracted from
8037         store_bit_field.
8038         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8039         and return NULL if the operation succeeded.  Only use
8040         extract_fixed_bit_field if fallback_p.  Only calculate one
8041         extraction mode.  Combine code for extv and extzv.  Try forcing
8042         memories into registers if the ext(z)v expander fails.
8043         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8044
8045 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8046
8047         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8048         into bitfields.
8049         (df_ref): Likewise.  Put regno with other integer fields.
8050
8051 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8052
8053         * df.h (df_mw_hardreg): Remove "loc" field.
8054         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8055         local variable.
8056         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8057         split out from df_set_unused_notes_for_mw.  Return false for
8058         partial references.  Assert that mw_reg is a REG when returning true.
8059         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8060         (df_whole_mw_reg_dead_p): New function, split out from
8061         df_set_dead_notes_for_mw.  Return false for partial references.
8062         Assert that mw_reg is a REG when returning true.
8063         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8064         Remove redundant bitmap check.
8065
8066 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8067
8068         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8069         ($(T)crtend.o): Likwise.
8070         ($(T)crtbeginS.o): Likwise.
8071         ($(T)crtendS.o): Likwise.
8072         ($(T)crtfastmath.o): Likwise.
8073
8074 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8075
8076         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8077         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8078         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8079         and x_n_bbs_in_dom_tree fields.
8080
8081 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8082
8083         PR tree-optimization/32087
8084         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8085         Do not call scale_bbs_frequencies_int with prob of zero.
8086
8087 2007-07-26  Julian Brown  <julian@codesourcery.com>
8088
8089         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8090         (neon_element_bits): Add prototypes.
8091         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8092         (neon_const_bounds, neon_element_bits): New functions.
8093         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8094         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8095         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8096         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8097         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8098         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8099         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8100         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8101         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8102         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8103         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8104         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8105         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8106
8107 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8108
8109         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8110         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8111
8112 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8113             Julian Brown  <julian@codesourcery.com>
8114
8115         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8116         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8117         * config/arm/cortex-a8.md: New.
8118         * config/arm/cortex-a8-neon.md: New.
8119         * config/arm/neon-schedgen.ml: New.
8120         * config/arm/neon.md (vqh_mnem): New.
8121         (neon_type): New.
8122         (Is_float_mode): New.
8123         (Scalar_mul_8_16): New.
8124         (Is_d_reg): New.
8125         (V_mode_nunits): New.
8126         (All instruction patterns): Annotate with neon_type attribute
8127         values.
8128         * config/arm/arm.md: Include cortex-a8.md.
8129         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8130         values.
8131         Annotate instruction patterns accordingly.
8132         (generic_sched): Do not use generic scheduling for Cortex-A8.
8133         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8134
8135 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8136
8137         * fold-const.c (fold_read_from_constant_string): Use
8138         build_int_cst_type.
8139         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8140
8141 2007-07-26  Nick Clifton  <nickc@redhat.com>
8142
8143         * tree-ssa-operands.h: Change copyright header to refer to version
8144         3 of the GNU General Public License and to point readers at the
8145         COPYING3 file and the FSF's license web page.
8146         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8147         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8148         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8149         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8150         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8151         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8152         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8153         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8154         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8155         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8156         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8157         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8158         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8159         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8160         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8161         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8162         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8163         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8164         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8165         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8166         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8167         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8168         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8169         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8170         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8171         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8172         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8173         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8174         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8175         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8176         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8177         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8178         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8179         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8180         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8181         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8182         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8183         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8184         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8185         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8186         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8187         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8188         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8189         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8190         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8191         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8192         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8193         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8194         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8195         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8196         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8197         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8198         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8199         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8200         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8201         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8202         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8203         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8204         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8205         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8206         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8207         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8208         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8209         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8210         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8211         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8212         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8213         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8214         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8215         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8216         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8217         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8218         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8219         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8220         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8221         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8222         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8223         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8224         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8225         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8226         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8227         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8228         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8229         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8230         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8231         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8232         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8233         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8234         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8235         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8236         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8237         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8238         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8239         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8240         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8241         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8242         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8243         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8244         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8245         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8246         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8247         convert.c, convert.h, langhooks-def.h, reload1.c,
8248         tree-ssa-operands.c: Likewise.
8249
8250 2007-07-26  Jan Hubicka  <jh@suse.cz>
8251
8252         * tree-ssa-live.c: Include debug.h and flags.h.
8253         (mark_scope_block_unused): New function.
8254         (remove_unused_scope_block_p): New function.
8255         (remove_unused_locals): Remove unused blocks too.
8256
8257 2007-07-25  Ian Lance Taylor  <iant@google.com>
8258
8259         * combine.c (combine_max_regno): Remove.  Remove all uses.
8260         (struct reg_stat_struct): Rename from struct reg_stat.
8261         (reg_stat_type): Define, and declare VECs.
8262         (reg_stat): Change from pointer to VEC.  Change all uses.
8263         (combine_split_insns): New static function.
8264         (try_combine, find_split_point): Call it instead of split_insns.
8265
8266 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8267
8268         * cfghooks.c (split_block): Fix the information about loop latch.
8269
8270 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8271
8272         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8273
8274 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8275
8276         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8277         Scan the new edge for loop exit info.
8278
8279 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8280
8281         * config/darwin.c: Include debug.h.
8282
8283 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8284
8285         PR target/32218
8286         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8287
8288 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8289
8290         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8291         (HARD_REGNO_MODE_OK): Ditto.
8292         (MODES_TIEABLE_P): Ditto.
8293         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8294         (CLASS_MAX_NREGS): Ditto.
8295         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8296         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8297         (divdf3_internal_thr): Removed.
8298         * config/ia64/div.md: New file.
8299         * config/ia64/constraints.md: Add H constraint.
8300
8301 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8302
8303         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8304         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8305         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8306         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8307         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8308         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8309         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8310         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8311         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8312         dump_sbitmap_file, debug_sbitmap, popcount_table,
8313         sbitmap_popcount): Constify.
8314         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8315         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8316         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8317         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8318         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8319         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8320         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8321         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8322         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8323         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8324         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8325
8326 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8327
8328         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8329         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8330         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8331         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8332         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8333         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8334         bitmap_intersect_p, bitmap_intersect_compl_p,
8335         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8336         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8337         Constify.
8338         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8339         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8340         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8341         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8342         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8343         debug_bitmap, debug_bitmap_file, bitmap_print,
8344         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8345         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8346
8347 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8348
8349         * config/darwin.c (darwin_override_options): Additional fix for
8350         debug info formats that don't support var tracking.
8351
8352 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8353
8354         * cselib.c (entry_and_rtx_equal_p): Constify.
8355         * gengtype.c (output_mangled_typename, write_types, write_local):
8356         Likewise.
8357         * gengtype.h (const_type_p): New.
8358         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8359         Constify.
8360         * tlink.c (scan_linker_output): De-constify.
8361         * tree-ssa-loop-im.c (memref_eq): Constify.
8362         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8363         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8364
8365 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8366
8367         * c-common.c (fname_as_string, c_type_hash): Constify.
8368         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8369         * cgraph.c (edge_hash, edge_eq): Likewise.
8370         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8371         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8372         reg_attrs_htab_eq): Likewise.
8373         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8374         Likewise.
8375         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8376         const_decl_t, const_state_t, const_automata_list_el_t): New.
8377         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8378         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8379         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8380         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8381         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8382         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8383         compare_max_occ_cycle_nums, out_state_arcs_num,
8384         compare_transition_els_num, units_cmp, state_reservs_cmp):
8385         Constify.
8386         * genmodes.c (cmp_modes): Likewise.
8387         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8388         * gimplify.c (compare_case_labels): Likewise.
8389         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8390         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8391         * matrix-reorg.c (mtt_info_hash): Likewise.
8392         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8393         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8394         (htab_hash_bucket, htab_hash_elem): Constify.
8395         * tree-browser.c (TB_parent_eq): Likewise.
8396         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8397         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8398         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8399         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8400         Constify.
8401         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8402         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8403         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8404         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8405         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8406         New.
8407         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8408         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8409         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8410         * tree-ssa-threadupdate.c (redirection_data_hash,
8411         redirection_data_eq): Likewise. 
8412         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8413         * tree-ssa.c (var_ann_eq): Likewise.
8414         * tree-vrp.c (compare_case_labels): Likewise.
8415         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8416         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8417         tree_not_check_failed, tree_class_check_failed,
8418         tree_range_check_failed, tree_not_class_check_failed,
8419         omp_clause_check_failed, omp_clause_range_check_failed,
8420         tree_contains_struct_check_failed, tree_operand_check_failed):
8421         Likewise. 
8422         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8423         tree_not_check_failed, tree_class_check_failed,
8424         tree_range_check_failed, tree_not_class_check_failed,
8425         tree_operand_check_failed, omp_clause_operand_check_failed,
8426         tree_operand_length): Likewise. 
8427         * var-tracking.c (const_variable): New.
8428         (variable_htab_hash, variable_htab_eq): Constify.
8429         * varasm.c (const_desc_hash): Likewise.
8430
8431 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8432
8433         * expr.c (handled_component_p): Constify.
8434         * fold-const.c (fit_double_type): Likewise.
8435         * real.h (real_value_from_int_cst): Likewise.
8436         * tree-flow-inline.h (gimple_in_ssa_p,
8437         gimple_aliases_computed_p, gimple_addressable_vars,
8438         gimple_call_clobbered_vars, gimple_referenced_vars,
8439         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8440         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8441         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8442         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8443         is_label_stmt, is_global_var, phi_ssa_name_p,
8444         factoring_name_p, is_call_clobbered, tree_common_ann,
8445         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8446         unmodifiable_var_p, array_ref_contains_indirect_ref,
8447         ref_contains_array_ref, lookup_subvars_for_var,
8448         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8449         gimple_mem_ref_stats): Likewise.
8450         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8451         may_aliases, is_exec_stmt, is_label_stmt,
8452         ref_contains_array_ref, array_ref_contains_indirect_ref,
8453         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8454         unmodifiable_var_p): Likewise.
8455         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8456         * tree-gimple.h (is_gimple_min_invariant): Likewise. 
8457         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8458         cst_and_fits_in_hwi, real_value_from_int_cst,
8459         build_real_from_int_cst, integer_zerop, integer_onep,
8460         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8461         tree_floor_log2, real_zerop, real_onep, real_twop,
8462         real_minus_onep, really_constant_p, purpose_member, chain_member,
8463         list_length, fields_length, int_size_in_bytes, bit_position,
8464         int_bit_position, byte_position, int_byte_position, expr_align,
8465         array_type_nelts, tree_node_structure,
8466         type_contains_placeholder_1, iterative_hash_pointer,
8467         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8468         tree_map_base_eq, type_hash_list, type_hash_eq,
8469         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8470         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8471         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8472         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8473         int_fits_type_p, get_containing_scope, decl_function_context,
8474         decl_type_context, omp_clause_operand_check_failed,
8475         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8476         * tree.h (omp_clause_operand_check_failed, tree_size,
8477         build_real_from_int_cst, array_type_nelts, purpose_member,
8478         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8479         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8480         is_attribute_p, check_qualified_type, expr_align,
8481         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8482         int_byte_position, list_length, fields_length, initializer_zerop,
8483         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8484         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8485         tree_node_structure, handled_component_p, get_containing_scope,
8486         decl_function_context, decl_type_context, real_zerop,
8487         type_num_arguments, fit_double_type, really_constant_p,
8488         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8489         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8490         real_twop, real_minus_onep, int_cst_value): Likewise.
8491
8492 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8493
8494         * cfglayout.c (insn_scope, insn_line): Constify.
8495         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8496         const_double_htab_hash, const_double_htab_eq,
8497         mem_attrs_htab_hash): Likewise.
8498         * loop-iv.c (biv_eq): Likewise.
8499         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8500         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8501         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8502         Likewise. 
8503         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8504         error_for_asm, warning_for_asm, _fatal_insn,
8505         _fatal_insn_not_found): Likewise. 
8506         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8507         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8508         rtl_check_failed_type2, rtl_check_failed_code1,
8509         rtl_check_failed_code2, rtl_check_failed_code_mode,
8510         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8511         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8512         rtl_check_failed_type2, rtl_check_failed_code1,
8513         rtl_check_failed_code2, rtl_check_failed_code_mode,
8514         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8515         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8516         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8517         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8518         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8519         rtx_unstable_p, get_integer_term, get_related_value,
8520         offset_within_block_p, reg_mentioned_p, count_occurrences,
8521         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8522         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8523         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8524         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8525         find_constant_src, find_reg_fusage, find_regno_fusage,
8526         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8527         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8528         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8529         computed_jump_p, auto_inc_p, in_expr_list_p,
8530         remove_node_from_expr_list, loc_mentioned_in_p,
8531         label_is_jump_target_p, reversed_comparison_code_parts,
8532         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8533         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8534         print_inline_rtx): Likewise.
8535         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8536         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8537         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8538         get_integer_term, get_related_value, offset_within_block_p,
8539         count_occurrences, reg_mentioned_p, no_labels_between_p,
8540         reg_used_between_p, reg_referenced_p, single_set_2,
8541         multiple_sets, set_noop_p, refers_to_regno_p,
8542         reg_overlap_mentioned_p, dead_or_set_p,
8543         covers_regno_no_parallel_p, covers_regno_p,
8544         dead_or_set_regno_p, find_reg_note, find_regno_note,
8545         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8546         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8547         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8548         side_effects_p, may_trap_p_1, may_trap_p,
8549         may_trap_after_code_motion_p, may_trap_or_fault_p,
8550         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8551         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8552         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8553         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8554         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8555         Likewise. 
8556         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8557         warning_for_asm): Likewise.
8558         * tree.h (print_rtl): Likewise.
8559         * varasm.c (get_pool_mode): Likewise.
8560
8561 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8562
8563         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8564         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8565         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8566         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8567         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8568         * ddg.c (compare_sccs): Likewise.
8569         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8570         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8571         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8572         decimal_do_fix_trunc, decimal_real_to_integer,
8573         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8574         * dse.c (const_group_info_t): New.
8575         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8576         * dwarf2out.c (const_dw_die_ref): New.
8577         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8578         * tree-browser.c (TB_parent_eq): Likewise.
8579         * unwind-dw2-fde.c (__register_frame_info_bases,
8580         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8581         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8582         Likewise.
8583         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8584         * unwind-dw2.c (uw_frame_state_for): Likewise.
8585         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8586         * value-prof.h (const_histogram_value): New.
8587
8588 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8589
8590         * config/mips/mips.c (machine_function): Add
8591         initialized_mips16_gp_pseudo_p.
8592         (mips16_gp_pseudo_reg): Do not emit the initialization of
8593         mips16_gp_pseudo_rtx when being called from the gimple cost-
8594         calculation routines; emit it on the first use outside those
8595         routines.
8596
8597 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8598
8599         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8600         New.
8601         
8602         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8603         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8604         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8605         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8606         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8607         Preserve const-ness of parameters through use of __typeof(),
8608         also constify and tidy.
8609         
8610         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8611         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8612         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8613         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8614         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8615         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8616         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8617         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8618         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8619
8620 2007-07-25  Julian Brown  <julian@codesourcery.com>
8621             Mark Shinwell  <shinwell@codesourcery.com>
8622
8623         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8624         (alpha_mangle_type): This.
8625         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8626         (TARGET_MANGLE_TYPE): Define this instead.
8627         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8628         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8629         (arm_init_neon_builtins): Fix comment.
8630         (arm_mangle_map_entry): New.
8631         (arm_mangle_map): New.
8632         (arm_mangle_type): New.
8633         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8634         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8635         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8636         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8637         (TARGET_MANGLE_TYPE): Define this instead.
8638         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8639         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8640         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8641         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8642         (TARGET_MANGLE_TYPE): Define this instead.
8643         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8644         to...
8645         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8646         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8647         (TARGET_MANGLE_TYPE): Define this instead.
8648         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8649         (s390_mangle_type): This.
8650         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8651         (TARGET_MANGLE_TYPE): Define this instead.
8652         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8653         (sparc_mangle_type): This.
8654         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8655         (TARGET_MANGLE_TYPE): Define this instead.
8656         * cp/mangle.c (write_type): Call mangle_type target hook on all
8657         types before mangling.  Use original type, not main variant, as
8658         argument.
8659         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8660         (TARGET_MANGLE_TYPE): This.
8661         * target.h (gcc_target): Rename mangle_fundamental_type to
8662         mangle_type.
8663         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8664         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8665
8666 2007-07-25  Julian Brown  <julian@codesourcery.com>
8667             Paul Brook  <paul@codesourcery.com>
8668             Joseph Myers  <joseph@codesourcery.com>
8669             Mark Shinwell  <shinwell@codesourcery.com>
8670
8671         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8672         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8673         (with_fpu): Allow --with-fpu=neon.
8674         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8675         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8676         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8677         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8678         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8679         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8680         (neon_emit_pair_result_insn, neon_disambiguate_copy)
8681         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
8682         (output_move_neon): Add prototypes.
8683         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
8684         (all_fpus): Add FPUTYPE_NEON.
8685         (fp_model_for_fpu): Add NEON field.
8686         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
8687         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
8688         in registers.
8689         (arm_legitimate_address_p): Don't support fancy addressing for NEON
8690         structure moves.
8691         (thumb2_legitimate_address_p): Likewise.
8692         (neon_valid_immediate): Recognize and prepare constants suitable for
8693         NEON instructions.
8694         (neon_immediate_valid_for_move): New function. Recognize and prepare
8695         immediates for NEON move instructions.
8696         (neon_immediate_valid_for_logic): New function. Recognize and
8697         prepare immediates for NEON logic instructions.
8698         (neon_output_logic_immediate): New function. Create asm string
8699         suitable for outputting immediate logic instructions.
8700         (neon_pairwise_reduce): New function. Implement reduction using
8701         pairwise operations.
8702         (neon_expand_vector_init): New function. Expand a (possibly
8703         non-constant) vector initialization.
8704         (neon_vector_mem_operand): New function. Memory operands supported
8705         for quad-word loads/stores to/from ARM or NEON registers. Don't
8706         allow base+offset addressing for core regs.
8707         (neon_struct_mem_operand): New function. Valid mems for NEON
8708         structure moves.
8709         (coproc_secondary_reload_class): Enable NEON registers to be loaded
8710         from neon_vector_mem_operand addresses without a secondary register.
8711         (add_minipool_forward_ref): Handle >8-byte minipool entries.
8712         (add_minipool_backward_ref): Likewise.
8713         (dump_minipool): Likewise.
8714         (push_minipool_fix): Likewise.
8715         (output_move_quad): New function. Output quad-word moves, loads and
8716         stores using ARM registers.
8717         (output_move_vfp): Add support for vectors in VFP (NEON) D
8718         registers.
8719         (output_move_neon): Output a NEON load/store to/from a quadword
8720         register.
8721         (arm_print_operand): Implement new codes:
8722         - 'c' for unadorned integers (without a # sign).
8723         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
8724         mode.
8725         - 'e', 'f' for the low and high D parts of a NEON Q register.
8726         - 'q' outputs a NEON Q register.
8727         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
8728         - 'T' prints NEON opcode features from a coded bitmask.
8729         - 'F' is similar to T, but signed/unsigned codes both print as
8730         'i'.
8731         - 't' is similar to T, but 'u' is printed instead of 'p'.
8732         - 'O' prints 'r' if NEON instruction should perform rounding (as
8733         specified by bitmask), else prints nothing.
8734         - '#' is a punctuation character to stop operand numbers from
8735         running together with following digits in the assembler
8736         strings for instructions (when using mode attributes).
8737         (arm_assemble_integer): Handle extra NEON vector modes. Permute
8738         constant vectors in big-endian mode, where necessary.
8739         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
8740         Handle EI, OI, CI, XI modes.
8741         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
8742         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
8743         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
8744         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
8745         (neon_builtin_type_bits): Add enumeration, one bit for each vector
8746         type.
8747         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
8748         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
8749         to turn v8qi, etc. into bits defined above.
8750         (neon_itype): New enumeration. Classifications of NEON builtins.
8751         (neon_builtin_datum): Define struct. Contains information about
8752         a single builtin (with multiple modes).
8753         (CF): Define helper macro for...
8754         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
8755         modes.
8756         (neon_builtin_data): New array. Define information about builtins
8757         for use during initialization/expansion.
8758         (arm_init_neon_builtins): New function.
8759         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
8760         true.
8761         (neon_builtin_compare): New function.
8762         (locate_neon_builtin_icode): New function. Find an insn code for a
8763         builtin given a function code for that builtin. Also return type of
8764         builtin (NEON_BINOP, NEON_UNOP etc.).
8765         (builtin_arg): New enumeration. Types of arguments for builtins.
8766         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
8767         Takes a variable argument list of builtin_arg types, terminated by
8768         NEON_ARG_STOP.
8769         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
8770         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
8771         (neon_emit_pair_result_insn): New function. Support returning pairs
8772         of vectors via a pointer.
8773         (neon_disambiguate_copy): New function. Set up operands for a
8774         multi-word copy such that registers do not get clobbered.
8775         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
8776         ARM_BUILTIN_NEON_BASE.
8777         (arm_file_start): Set float-abi attribute for NEON.
8778         (arm_vector_mode_supported_p): Enable NEON vector modes.
8779         (arm_mangle_map_entry): New.
8780         (arm_mangle_map): New.
8781         (arm_mangle_vector_type): New.
8782         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
8783         when appropriate.
8784         (TARGET_NEON): New macro. Target supports NEON.
8785         (fputype): Add FPUTYPE_NEON.
8786         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
8787         for vectorization based on command-line arg.
8788         (NEON_REGNO_OK_FOR_NREGS): Define.
8789         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
8790         (VALID_NEON_STRUCT_MODE): Define.
8791         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
8792         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
8793         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
8794         (consttable_16): Add pattern for outputting 16-byte minipool
8795         entries.
8796         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
8797         vec-common.md).
8798         (vec-common.md, neon.md): Include md files.
8799         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
8800         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
8801         (memory_constraint "Ut", "Un", "Us"): Define.
8802         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
8803         (MMX_char): New mode attribute.
8804         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
8805         (*add<mode>3_iwmmxt): New insn pattern.
8806         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
8807         (*sub<mode>3_iwmmxt): New insn pattern.
8808         (mulv4hi3): Rename to...
8809         (*mulv4hi3_iwmmxt): This.
8810         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
8811         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
8812         (uminv4hi3, uminv2si3): Remove. Replace with...
8813         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
8814         (*umin<mode>3_iwmmxt): These.
8815         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
8816         (ashr<mode>3_iwmmxt): This new pattern.
8817         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
8818         (lshr<mode>3_iwmmxt): This new pattern.
8819         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
8820         (ashl<mode>3_iwmmxt): This new pattern.
8821         * config/arm/neon-docgen.ml: New file. Generate documentation for
8822         intrinsics.
8823         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
8824         * config/arm/arm_neon.h: New (autogenerated).
8825         * config/arm/neon-testgen.ml: New file. Generate NEON tests
8826         automatically.
8827         * config/arm/neon.md: New file. Define NEON instructions.
8828         * config/arm/neon.ml: New file. Abstract description of NEON
8829         instructions, used to generate arm_neon.h header, documentation and
8830         tests.
8831         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
8832         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
8833         support.
8834         * doc/extend.texi (ARM Built-in Functions): Rename and remove
8835         extraneous comma.
8836         (ARM NEON Intrinsics): New subsection.
8837         * doc/arm-neon-intrinsics.texi: New (autogenerated).
8838
8839 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
8840
8841         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
8842         prototype.
8843
8844 2007-07-24  Jan Hubicka  <jh@suse.cz>
8845
8846         * regclass.c (move_table): New type.
8847         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
8848         (init_move_cost): Break out from ...
8849         (init_reg_sets_1): ... here; simplify computation of
8850         have_regs-of_mode and contains_reg_of_mode.
8851         (record_reg_classes): Unswitch internal loops.
8852         (copy_cost): Trigger lazy initialization of move cost
8853         (record_address_regs): Likewise.
8854
8855 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
8856
8857         * config/darwin.c (darwin_override_options): Don't force on
8858         flag_var_tracking_uninit when no debug info is requested.
8859
8860 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8861
8862         * cfgloop.c (init_loops_structure): New function.
8863         (flow_loops_find): Create root of the loop tree unconditionally.
8864
8865 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
8866
8867         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
8868
8869 2007-07-24  Jan Hubicka  <jh@suse.cz>
8870
8871         * caller-save.c: Include ggc.h, gt-caller-save.h
8872         (reg_save_code, reg_restore_code): Rename to ...
8873         (cached_reg_save_code, cached_reg_restore_code): ... those.
8874         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
8875         (reg_save_code, reg_restore_code): New functions.
8876         (init_caller_save): Do not intialize
8877         reg_save_code/reg_restore_code tables.
8878         * Makefile.in: (gt-caller-save.h): New.
8879
8880 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8881
8882         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
8883         with the mode of the original operand instead of
8884         integer_one_node.
8885
8886 2007-07-23  Jan Hubicka  <jH@suse.cz>
8887
8888         * i386.c (ix86_secondary_memory_needed): Break out to...
8889         (inline_secondary_memory_needed): ... here.
8890         (ix86_memory_move_cost): Break out to ...
8891         (inline_memory_move_cost): ... here; add support for IN value of 2 for
8892         maximum of input and output; fix handling of Q_REGS on 64bit.
8893         (ix86_secondary_memory_needed): Microoptimize.
8894
8895 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
8896
8897         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
8898         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
8899         stmts_from_loop, known_dependences_p, build_rdg): New.
8900         * tree-data-ref.h: Depends on graphds.h.
8901         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
8902         (build_rdg): Declared.
8903         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
8904
8905 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
8906
8907         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
8908         ccp_min_invariant.
8909
8910 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
8911             Jakub Jelinek  <jakub@redhat.com>
8912
8913         PR middle-end/PR28690
8914         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
8915         EQ compares.
8916         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
8917         and MEM_POINTER operands over REG and MEM operands.
8918         (swap_commutative_operands_p): Change return value to bool.
8919         * rtl.h: Update the corresponding prototype.
8920         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
8921         instead of gen_rtx_PLUS.
8922         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
8923         value to bool.  Change function arguments to rtx's and update code
8924         to match.
8925         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
8926         calls to match the new declaration.
8927         * simplify-rtx.c (simplify_associative_operation): Don't
8928         reorder simplify_binary_operation arguments.
8929
8930 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8931
8932         * config/mips/mips.c (override_options): Use mips_costs to derive
8933         the default branch cost.
8934         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
8935         than mips_costs.
8936         * config/mips/mips.opt (mbranch-cost=): New option.
8937         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
8938
8939 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8940
8941         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
8942         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
8943         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
8944         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
8945
8946 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
8947
8948         * config/mips/constraints.md (ks): New constraint.
8949         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
8950         (*add<mode>3_mips16): ...here.
8951
8952 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
8953
8954         * optabs.h (enum optab_index): Add new OTI_signbit.
8955         (signbit_optab): Define corresponding macro.
8956         (enum insn_code signbit_optab[]): Remove array.
8957         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
8958         (expand_copysign_absneg): If back end provides signbit insn, use it
8959         instead of bit operations on floating point argument.
8960         * builtins.c (enum insn_code signbit_optab[]): Remove array.
8961         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
8962         for availability of signbit insn.
8963
8964         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
8965         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
8966         SSE mode is not active.
8967         (isinf<mode>2): Disable for mfpmath=sse,387.
8968
8969 2007-07-22  Ben Elliston  <bje@au.ibm.com>
8970
8971         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
8972         `class' parameter.
8973         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
8974
8975 2007-07-20  Richard Guenther  <rguenther@suse.de>
8976
8977         * tree-cfg.c (verify_expr): COND_EXPRs can have any
8978         integral typed condition.
8979         * tree-ssa.c (useless_type_conversion_p): Do not preserve
8980         booleanness.  Only preserve conversions from a non-base
8981         type to a base type, not in general between types with
8982         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
8983         * tree.def (COND_EXPR): Document that the condition
8984         can be of any integral type.
8985
8986 2007-07-20  Nigel Stephens  <nigel@mips.com>
8987             Richard Sandiford  <richard@codesourcery.com>
8988
8989         * config/mips/mips.h (mips_dwarf_regno): Declare.
8990         (DBX_REGISTER_NUMBER): Remove redundant brackets.
8991         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
8992         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
8993         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
8994         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8995         (REG_CLASS_NAMES): Update accordingly.
8996         * config/mips/mips.c (mips_dwarf_regno): New array.
8997         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
8998         (mips_subword): Remove special handling for accumulator registers.
8999         (override_options): Initiailize mips_dwarf_regno.  Remove use
9000         of ACC_HI_REG_P.
9001         (mips_swap_registers): New function.
9002         (mips_conditional_register_usage): Swap accumulator registers
9003         around if TARGET_LITTLE_ENDIAN.
9004         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9005         * config/mips/constraints.md (h, l): Use the endianness to choose
9006         between MD0_REG and MD1_REG.
9007         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9008         alternative-dependent template.
9009
9010 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9011
9012         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9013         no_new_pseudos.
9014
9015 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9016
9017         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9018         predecessor fallthru flags.
9019
9020 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9021
9022         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9023         of compare to the same type.
9024         * cfgloopmanip.c (add_loop): Update information about loop exits.
9025         (loop_version): Remove the innermost loop requirement.
9026         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9027         to sizetype for pointers.
9028
9029 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9030
9031         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9032         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9033         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9034
9035         * config/dfp-bit.c: Empty for TFmode conversions.
9036
9037 2007-07-18  Caroline Tice  <ctice@apple.com>
9038         
9039         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9040         and handle them correctly; check that src is not NULL before
9041         trying to use it.
9042         (find_src_set_src): Likewise.
9043         
9044 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9045         
9046         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9047         (struct alignment_context, init_alignment_context): New.
9048         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9049         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9050         (XCHAL_HAVE_S32C1I): Likewise.
9051         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9052         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9053         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9054         (ATOMIC, HQI): New macros.
9055         (memory_barrier, *memory_barrier): New.
9056         (sync_lock_releasesi): New.
9057         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9058         (sync_lock_test_and_set<mode>): New.
9059         (sync_<atomic><mode>): New.
9060         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9061         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9062         (xtensa_expand_atomic): New.
9063         
9064 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9065
9066         PR target/30652
9067
9068         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9069         transformation for builtin ISNORMAL.
9070         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9071         * builtins.def (BUILT_IN_ISNORMAL): New.
9072         * doc/extend.texi: Document isnormal.
9073
9074 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9075
9076         PR target/30652
9077
9078         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9079         optabs infrastructure.  Provide generic implementation for
9080         FINITE/ISFINITE.
9081         (expand_builtin): Handle FINITE/ISFINITE.
9082         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9083         (fold_builtin_1): Likewise.
9084
9085         * builtins.def (BUILT_IN_ISFINITE): New.
9086
9087         * doc/extend.texi: Document isfinite.
9088
9089 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9090
9091         PR target/30652
9092         PR middle-end/20558
9093
9094         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9095         generic fallback for isinf.
9096         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9097         calculation code ...
9098         * real.c (get_max_float): ... to here.
9099         * real.h (get_max_float): New.
9100
9101 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9102
9103         PR middle-end/32668
9104
9105         * builtin-attrs.def (ATTR_TYPEGENERIC,
9106         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9107
9108         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9109         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9110         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9111         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9112
9113         * c-common.c (handle_type_generic_attribute): New.
9114         (c_common_attribute_table): Add "type generic".
9115
9116         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9117
9118 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9119
9120         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9121         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9122         properly.
9123
9124 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9125
9126         PR target/32808
9127         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9128         checking that the operand is an expression.
9129
9130 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9131             Danny Smith  <dannysmith@users.sourceforge.net>
9132
9133         PR/other 30335
9134         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9135         file mapping object in local namespace if Windows version later
9136         than NT4
9137
9138 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9139
9140         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9141         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9142         arm_cannot_force_const_mem.
9143         (arm_cannot_force_const_mem): New function.
9144         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9145         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9146         of arm_tls_referenced_p.
9147         * config/arm/arm.md (movsi): Split out-of-section constants when
9148         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9149         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9150
9151 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9152
9153         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9154
9155 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9156
9157         * config/mips/mips.md (*extendqihi2): Convert the destination
9158         to SImode.
9159
9160 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9161
9162         * config/pa/fptr.c: Update license header.
9163         * config/pa/milli64.S: Likewise.
9164
9165 2007-07-17  Nick Clifton  <nickc@redhat.com>
9166
9167         * COPYING_v3: New file.  Contains version 3 of the GNU General
9168         Public License.
9169         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9170         Lesser General Public License.
9171         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9172         the GNU General Public License.
9173
9174 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9175
9176         PR rtl-optimization/32773
9177         * cfglayout.c (force_one_exit_fallthru): New function.
9178         (cfg_layout_finalize): Use it.
9179
9180 2007-07-16  Richard Guenther  <rguenther@suse.de>
9181             Uros Bizjak  <ubizjak@gmail.com>
9182
9183         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9184         before forcing it to gimple operand.
9185
9186 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9187             David Ung  <davidu@mips.com>
9188
9189         * config/mips/mips.h (TUNE_24K): Define.
9190         (TUNE_MACC_CHAINS): Add TUNE_24K.
9191         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9192         imadd.
9193         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9194         (r74k_int_madd): .. this new reservation.
9195         (define_bypass): Fixed bypasses for r74k_int_madd to use
9196         mips_linked_madd_p.
9197         * config/mips/24k.md (define_bypass): Define new
9198         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9199
9200 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9201             Nigel Stephens  <nigel@mips.com>
9202
9203         * config/mips/mips.md: Include 20kc.md.
9204         * config/mips/20kc.md: New file.
9205         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9206         (mips_adjust_cost): Tweak for 20Kc.
9207         (mips_issue_rate): Likewise.
9208         * config/mips/mips.h (TUNE_20KC): Define.
9209
9210 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9211
9212         * config/rs6000/rs6000.c (struct processor_cost): Add
9213         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9214         fields.
9215         (*_cost): Add cache information.
9216         (rs6000_override_options): Set cache parameters.
9217
9218 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9219
9220         PR bootstrap/3456
9221         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9222         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9223
9224 2007-07-16  Paul Brook  <paul@codesourcery.com>
9225
9226         PR target/32753
9227         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9228         (cirrus_thumb2_movsi_insn): Ditto.
9229
9230 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9231
9232         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9233         CR2_REGNO to R_CR2.
9234
9235 2007-07-15  Andrew Haley  <aph@redhat.com>
9236
9237         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9238         before looking in the context.
9239
9240 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9241
9242         PR middle-end/32398
9243         PR middle-end/32769
9244         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9245         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9246         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9247         (pa_output_function_prologue): Use rp_saved and
9248         current_function_is_leaf to generate .CALLINFO statement.
9249         (hppa_expand_prologue): Set rp_saved.
9250         (hppa_expand_epilogue): Use rp_saved.
9251         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9252         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9253
9254 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9255
9256         * omega.c (coalesce): Fix memory leak on early exit.
9257         * matrix-reorg.c (check_allocation_function): Likewise.
9258         * tree-vect-transform.c (vect_get_new_vect_var): free result
9259         of concat().
9260         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9261         pass pointer to edge vector
9262         (partition_hot_cold_basic_blocks): Fix memory leak.
9263         * collect2.c (prefix_from_string): Free temporary storage.
9264         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9265
9266 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9267
9268         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9269         (DO_GLOBAL_DTORS_BODY): Likewise.
9270
9271 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9272             Nigel Stephens  <nigel@mips.com>
9273
9274         * config/mips/mips.c (mips_classify_symbol): Don't return
9275         SYMBOL_SMALL_DATA for constant pool addresses if
9276         TARGET_EMBEDDED_DATA is true.
9277
9278 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9279
9280         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9281         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9282         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9283         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9284         __builtin_ia32_storehps, __builtin_ia32_storelps,
9285         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9286         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9287         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9288         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9289         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9290         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9291         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9292         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9293         using def_builtin_const.
9294
9295 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9296
9297         PR tree-optimization/32705
9298         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9299         (simplify_binary_expression): Use SSA_VAL consistently.
9300
9301 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9302
9303         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9304         (SPEFSCR_REGNO): Delete definition.
9305         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9306         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9307         * config/rs6000/rs6000.h: Do not define *_REGNO.
9308         LINK_REGISTER_REGNUM -> LR_REGNO.
9309         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9310         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9311         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9312         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9313         R_VRSAVE, R_VSCR. Use them.
9314         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9315         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9316         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9317         * config/rs6000/aix.h: Define R_LR.  Use it.
9318         
9319 2007-07-13  Caroline Tice  <ctice@apple.com>
9320         
9321         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9322         flag_var_tracking is explicitly turned off (i.e. when variable
9323         tracking is not feasible); otherwise, turn flag_var_tracking on when
9324         flag_var_tracking_uninit is on.
9325         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9326         note definitions, to allow recording of initialization status in the
9327         notes.
9328         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9329         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9330         determine if two note locations are equal.
9331         (output_loc_list): Don't output list entries whose start & end labels
9332         are the same.
9333         (reg_loc_descriptor): Add parameter for initialization status; pass it
9334         to other loc descriptor functions.
9335         (one_reg_loc_descriptor): Add parameter for initialization status;
9336         check its value and add DW_OP_GNU_uninit to returned loc descr if
9337         appropriate.
9338         (multiple_reg_loc_descriptor): Add parameter for initialization
9339         status;
9340         pass init status argument to other loc descriptor functions; check
9341         value of intialization parameter and add DW_OP_GNU_uninit to returned
9342         loc descr if appropriate.
9343         (based_loc_descr): Add parameter for initialization status; add new
9344         variable for return value; check value of initialization parameter and
9345         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9346         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9347         pass init status argument to other loc descriptor functions; check
9348         value of intialization parameter and add DW_OP_GNU_uninit to returned
9349         loc descr if appropriate.
9350         (mem_loc_descriptor): Likewise.
9351         (concat_loc_descriptor): Likewise.
9352         (concatn_loc_descriptor): Likewise.
9353         (loc_descriptor): Add parameter for initialization status; pass it as
9354         argument to other loc descriptor function calls.
9355         (loc_descriptor_from_tree_1): Add appropriate initialization status
9356         to loc descriptor function calls.
9357         (add_location_or_const_value_attribute): Get initialization status
9358         from VAR_LOCATION note; add initialization status to loc descriptor
9359         function calls.
9360         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9361         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9362         status is uninitialized, add "[uninint]" to output.
9363         * common.opt (fvar-tracking-uninit): New option, similar to
9364         fvar-tracking, to turn on tracking of uninitialized variables; creates
9365         a new global flag, flag_var_tracking_uninit.
9366         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9367         (enum var_init_status): New type, for var initialization status field.
9368         * var-tracking.c (struct location_chain_def): Two new fields, init,
9369         for initialization status, and set_src for the assignment value expr.
9370         (unshare_variable): New parameter for initialization status;
9371         initialize new init and set_src fields.
9372         (var_reg_set): New parameters for initialization status and value;
9373         pass them to set_variable_part.
9374         (var_mem_set): Likewise.
9375         (get_init_value): New function.
9376         (var_reg_delete_and_set): New initialization status & value
9377         parameters; add call to get_init_value if status is unknown; pass new
9378         parameters to clobber_variable_part and var_reg_set.
9379         (var_mem_delete_and_set): Likewise.
9380         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9381         (var_mem_delete): Likewise.
9382         (variable_union): Pass status to unshare_variable; initialize new init
9383         and set_src fields. If flag_var_tracking_uninit is not set, force
9384         status to initialized.
9385         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9386         used later to get the set_src value.
9387         (find_src_status): New function.
9388         (find_src_set_src): New function.
9389         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9390         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9391         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9392         and var_mem_delete_and_set.
9393         (dump_variable): Print out "[uninit]" if appropriate.
9394         (set_variable_part): Add new initialization and set_src parameters;
9395         pass status to unshare_variable; set node->init and node- >set_src
9396         fields and modify slot in hash table appropriately; save the init and
9397         set_src values if appropriate and assign to the new node.
9398         (clobber_variable_part): New set_src parameter; if two nodes have
9399         same variable and same location but different set_src (assignment)
9400         values, clobber old node.
9401         (delete_variable_part): Pass init status to unshare_variable.
9402         (emit_note_insn_var_location): Add initialized var; assign var's init
9403         status to new 'initialized'; pass new init status field to calls to
9404         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9405         status to initialized.
9406         (emit_notes_in_bb): Pass initialization status to calls to
9407         var_reg_set, var_mem_set, var_reg_delete_and_set and
9408         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9409         var_reg_delete_and_set and var_mem_delete_and_set; call
9410         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9411         make up for change in add_stores.
9412         (vt_add_function_parameters): Add status to calls to
9413         set_variable_part.
9414         * config/darwin.c (darwin_override_options): Turn on uninitialized
9415         tracking automatically, if var_tracking is on and the system is
9416         10.5 or higher.
9417         
9418 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9419
9420         * config.gcc: Add options for arch and tune on SPU.
9421         * config/spu/predicates.md: Add constant operands 0 and 1.
9422         * config/spu/spu-builtins.def: Add builtins for double precision 
9423         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, 
9424         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9425         spu_testsv.
9426         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with 
9427         a CELLEDP target.
9428         * config/spu/spu-protos.h: Add new function prototypes. 
9429         * config/spu/spu.c (spu_override_options): Check options -march and
9430         -mtune.
9431         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9432         (spu_emit_branch_or_set): Use the new code for DFmode and vector 
9433         mode comparison.
9434         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9435         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9436         (spu_emit_vector_compare): New.  Emit vector compare.
9437         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9438         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9439         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9440         CANONICALIZE_COMPARISON.
9441         * config/spu/spu.md: Add new insns for double precision compare
9442         and double precision vector compare.  Add vcond and smax/smin patterns
9443         to enable DFmode vector conditional expression.
9444         * config/spu/spu.opt: Add options -march and -mtune.
9445         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9446         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9447         both CELL and CELLEDP targets: spu_testsv.
9448         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special 
9449         values.
9450
9451 2007-07-13  Richard Guenther  <rguenther@suse.de>
9452
9453         PR tree-optimization/32721
9454         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9455         TREE_THIS_VOLATILE on the folded reference.
9456         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9457         if the array reference has TREE_THIS_VOLATILE set.
9458
9459 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9460
9461         PR other/32188
9462         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9463
9464 2007-07-13  Andreas Schwab  <schwab@suse.de>
9465
9466         * gengtype-lex.l: Allow declarations to be indented.
9467
9468 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9469
9470         * ginclude/tgmath.h: New.
9471         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9472         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9473         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9474         * configure: Regenerate.
9475
9476 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9477
9478         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9479         correct index when setting register save state for xd
9480         registers.
9481
9482 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9483
9484         * config/sh/sh.c (mark_use): Remove.
9485
9486 2007-07-12  Paul Brook  <paul@codesourcery.com>
9487
9488         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9489         reg does not overlap return value.
9490
9491 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9492
9493         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9494         (set_expression_vuses): Ditto.
9495         (init_pre): Initialize expression_vuses.
9496
9497 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9498
9499         * config/i386/sse.md (storentdf, storentsf): New.
9500
9501 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9502
9503         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9504         FUNCTION_DECL.
9505         * tree.c (build_decl_stat): Move code from here...
9506         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9507         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9508         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9509         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9510         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9511         FUNCTION_BOUNDARY.
9512
9513 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9514             Devang Patel  <dpatel@apple.com>
9515
9516         PR tree-optimization/25413
9517         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9518         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9519         * tree.h (contains_packed_reference): New.
9520         * expr.c (contains_packed_reference): New.
9521         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9522         (vect_enhance_data_refs_alignment): Call
9523         vector_alignment_reachable_p.
9524         * target.h (vector_alignment_reachable): New builtin.
9525         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9526         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9527         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9528
9529 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9530
9531         * target.h (builtin_vectorization_cost): Add new target builtin.
9532         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9533         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9534         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9535         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9536         uninitialized variables.
9537         * tree-vect-transform.c (cost_for_stmt): New function.
9538         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9539         using cost 1 for all scalar stmts. Be less conservative when
9540         estimating the number of prologue/epulogue iterations. Call
9541         targetm.vectorize.builtin_vectorization_cost. Return
9542         min_profitable_iters-1.
9543         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9544         initialization cost instead of TARG_VEC_STMT_COST. Use
9545         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9546         epilogue code. Fix epilogue cost computation.
9547         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9548         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9549         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9550         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9551         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9552         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9553
9554 2007-07-12  Richard Guenther  <rguenther@suse.de>
9555
9556         * gimplify.c (gimplify_conversion): Make sure that the result
9557         from maybe_fold_offset_to_reference is trivially convertible
9558         to the desired type before doing the simplification.
9559         (gimplify_expr): Likewise.
9560         * fold-const.c (fold_binary): Use the correct types for
9561         building the simplified expression.
9562
9563 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9564
9565         PR rtl-optimization/32729
9566         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9567         that fallthru to exit.
9568
9569 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9570
9571         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9572         (symDTPOFF2reg): Likewise.
9573
9574 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9575
9576         PR tree-optimization/32663
9577         
9578         * tree.h (VALUE_HANDLE_VUSES): Remove.
9579         (struct tree_value_handle): Remove vuses.
9580
9581         * tree-vn.c (create_value_handle_for_expr): Don't set
9582         VALUE_HANDLE_VUSES. 
9583
9584         * tree-ssa-pre.c (expression_vuses): New.
9585         (alloc_expression_id): Set up expression_vuses.
9586         (get_expression_vuses): New.
9587         (set_expression_vuses): Ditto.
9588         (clear_expression_ids): Modify for expression_vuses.
9589         (phi_translate_1): Ditto.
9590         (phi_translate_set): Ditto.
9591         (value_dies_in_block_x): Ditto
9592         (valid_in_sets): Ditto.
9593         (add_to_sets): Ditto.
9594         (find_existing_value_expr): Ditto.
9595         (create_value_handle_for_expr): Ditto.
9596         (make_values_for_stmt): Ditto.
9597         (vuse_equiv): Remove.
9598
9599 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9600
9601         * Makefile.in (mostlyclean): Remove object files.
9602
9603 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9604
9605         * toplev.c (no_new_pseudos): Deleted.
9606         * rtl.h (no_new_pseudos): Deleted.
9607         * tree-pass.h (pass_no_new_pseudos): Deleted. 
9608         * passes.c (pass_no_new_pseudos): Deleted.
9609         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9610         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9611         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with 
9612         reload_completed.
9613         * cfgcleanup.c (try_crossjump_to_edge): Ditto. 
9614         * rtlhooks.c (gen_lowpart_general): Ditto.
9615         * optabs.c (prepare_operand): Ditto.
9616         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9617         no_new_pseudos.
9618         * modulo-sched.c (rest_of_handle_sms): Ditto.
9619         * see.c (rest_of_handle_see): Ditto.
9620         * ifcvt.c (if_convert): Ditto.
9621         (gate_handle_if_after_combine): Replaced no_new_pseudos with 
9622         reload_completed.
9623         * init-regs.c (gate_initialize_regs): Deleted set of
9624         no_new_pseudos.
9625         * lower-subreg.c (decompose_multiword_subregs): Ditto. 
9626         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9627         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9628         
9629 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9630
9631         PR target/32661
9632         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9633         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9634         (*vec_extractv2di_1_rex64): New insn pattern.
9635
9636 2007-07-11  David Daney  <ddaney@avtrex.com>
9637
9638         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9639         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9640         for SIGNAL_UNWIND_RETURN_COLUMN.
9641         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9642         (DWARF_FRAME_REGNUM): Rewrite.
9643         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9644
9645 2007-07-11  Nick Clifton  <nickc@redhat.com>
9646
9647         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9648         delta and use gen_int_mode in place of GET_INT instead.
9649
9650 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9651
9652         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9653         and letter field.
9654
9655 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9656
9657         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9658         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical 
9659         types or not.
9660         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9661         (USE_CANONICAL_TYPES): New.
9662         * doc/invoke.texi (verify-canonical-types): Remove.
9663         (use-canonical-types): Add.
9664
9665 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9666
9667         * config/spu/spu.c (spu_optimization_options): Remove setting of
9668         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9669         (spu_override_options): Move it here.
9670
9671 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9672
9673         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9674         * config/mips/mips.c (mips_cpu_info_table): Mention
9675         MIPS_ISA_LEVEL_SPEC in the comment.
9676
9677 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9678
9679         PR tree-optimization/32713
9680         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
9681
9682 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
9683
9684         PR middle-end/30482
9685         * c-opts.c (c_common_post_options): Do not change flag_complex_method
9686         conditional to flag_isoc99.
9687         (c_common_init_options): Do it here, unconditionally.
9688
9689 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9690
9691         PR tree-optimization/32589
9692         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
9693         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
9694         * tree-ssa-propagate.c (valid_gimple_expression_p): New
9695         predicate, extracted from...
9696         (set_rhs): ...here.  Call it for the expression on entry.
9697         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
9698         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
9699         (simplify_binary_expression): Use valid_gimple_expression_p
9700         to validate the simplification.
9701         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
9702
9703 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
9704
9705         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
9706         DWARF2_DEBUG on 32 bit target too.
9707         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition. 
9708
9709 2007-07-11  Nick Clifton  <nickc@redhat.com>
9710
9711         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
9712         version for 64-bit hosts.
9713
9714 2007-07-10  David Daney  <ddaney@avtrex.com>
9715
9716         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
9717         predicate.
9718         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
9719         call.
9720         * config/mips/mips.c (mips_expand_synci_loop): New function.
9721         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
9722         (UNSPEC_RDHWR): Same.
9723         (UNSPEC_SYNCI): Same.
9724         (UNSPEC_SYNC): Same.
9725         (clear_cache): New expand.
9726         (sync): New insn.
9727         (synci): Same.
9728         (rdhwr): Same.
9729         (clear_hazard): Same.
9730         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
9731         function.
9732         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
9733         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
9734
9735 2007-07-10  Ian Lance Taylor  <iant@google.com>
9736
9737         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
9738         no_new_pseudos.
9739
9740 2007-07-10  David Daney  <ddaney@avtrex.com>
9741
9742         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
9743         * builtins.c (expand_builtin___clear_cache): New function.
9744         (expand_builtin): Call expand_builtin___clear_cache for
9745         BUILT_IN_CLEAR_CACHE case.
9746         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
9747         * doc/md.texi (clear_cache): Document new instruction pattern.
9748         * testsuite/gcc.dg/builtins-64.c: New test.
9749
9750 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
9751
9752         * config/cris/cris.md ("movsi"): Fix typo in last change.
9753
9754 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
9755
9756         PR 32617
9757         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
9758         FUNCTION_DECLs.
9759         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
9760         * varasm.c (assemble_start_function): Honor DECL_ALIGN
9761         for FUNCTION_DECLs.  Don't use align_functions_log if
9762         DECL_USER_ALIGN.
9763         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
9764         even for FUNCTION_DECLs.
9765         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
9766         FUNCTION_DECLs.
9767         * tree.h (DECL_ALIGN): Update for new location of 'align'.
9768         (DECL_FUNCTION_CODE): Update for new location and name of
9769         'function_code'.
9770         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
9771         (struct tree_decl_common): Move 'align' and 'off_align' out
9772         of union, ensure they're still on a 32-bit boundary.  Remove
9773         other fields in union 'u1'.
9774         (struct tree_function_decl): Add field 'function_code' replacing
9775         'u1.f' in tree_decl_common.
9776         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
9777         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
9778         (Variable Attributes): Cross-reference 'aligned' attribute
9779         to Function Attributes.
9780         * flags.h (force_align_functions_log): Delete.
9781         * toplev.c (force_align_functions_log): Delete.
9782
9783 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
9784
9785         PR target/32708
9786         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
9787         (*vec_concatv2di_rex): New insn pattern.
9788
9789 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9790
9791         PR target/32538
9792         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
9793
9794 2007-07-10  Ian Lance Taylor  <iant@google.com>
9795
9796         Replace no_new_pseudos in backends.
9797         * rtl.h (can_create_pseudo_p): Define.
9798         * config/darwin.c (machopic_indirect_data_reference): Use
9799         can_create_pseudo_p () instead of no_new_pseudos.
9800         (machopic_indirect_data_reference): Likewise.
9801         (machopic_legitimize_pic_address): Likewise.
9802         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
9803         (alpha_emit_set_const_1): Likewise.
9804         (alpha_emit_set_const): Likewise.
9805         (alpha_emit_conditional_move): Likewise.
9806         (alpha_split_conditional_move): Likewise.
9807         * config/alpha/alpha.md (various splitters): Likewise.
9808         (movti): Likewise.
9809         * config/arm/arm.c (legitimize_pic_address): Likewise.
9810         (arm_load_pic_register): Likewise.
9811         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
9812         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
9813         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
9814         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
9815         * config/cris/cris.md (movsi): Likewise.
9816         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
9817         (symGOTOFF2reg_hilo): Likewise.
9818         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
9819         * config/h8300/h8300.md (insv, extzv): Likewise.
9820         * config/i386/i386.c (ix86_expand_move): Likewise.
9821         (ix86_expand_vector_move): Likewise.
9822         (ix86_prepare_fp_compare_args): Likewise.
9823         (ix86_expand_carry_flag_compare): Likewise.
9824         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
9825         (tls_dynamic_gnu2_combine_32): Likewise.
9826         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
9827         * config/ia64/ia64.c (ia64_expand_move): Likewise.
9828         (ia64_expand_movxf_movrf): Likewise.
9829         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
9830         (m32c_split_move): Likewise.
9831         (m32c_expand_insv): Likewise.
9832         * config/m68k/m68k.md (movsi): Likewise.
9833         * config/mips/mips.c (mips_force_temporary): Likewise.
9834         (mips_split_symbol): Likewise.
9835         (mips_move_integer): Likewise.
9836         (mips_legitimize_const_move): Likewise.
9837         * config/mn10300/mn10300.md (movsi): Likewise.
9838         * config/pa/pa.c (emit_move_sequence): Likewise.
9839         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9840         (rs6000_got_register): Likewise.
9841         (create_TOC_reference): Likewise.
9842         (rs6000_machopic_legitimize_pic_address): Likewise.
9843         * config/rs6000/rs6000.md (add<mode>3): Likewise.
9844         (various splitters): Likewise.
9845         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
9846         (movsi_got): Likewise.
9847         * config/s390/s390.c (emit_symbolic_move): Likewise.
9848         * config/s390/s390.md (movhi, movqi): Likewise.
9849         (load_multiple, store_multiple): Likewise.
9850         * config/score/score.c (score_force_temporary): Likewise.
9851         * config/sh/sh.c (prepare_move_operands): Likewise.
9852         (prepare_cbranch_operands): Likewise.
9853         (emit_fpu_switch): Likewise.
9854         (fpscr_set_from_mem): Likewise.
9855         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
9856         (adddi3, subsi3): Likewise.
9857         (various splitters): Likewise.
9858         (divsi_inv_fp_combine): Likewise.
9859         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
9860         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
9861         (sne): Likewise.
9862         * config/sh/predicates.md (xor_operand): Likewise.
9863         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
9864         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
9865         (movdi_pic_label_ref): Likewise.
9866         * config/spu/spu.c (spu_split_immediate): Likewise.
9867         * config/alpha/alpha.md (various splitters): Remove test
9868         !no_new_pseudos || reload_completed.
9869         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
9870         no_new_pseudos.
9871         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
9872         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
9873         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
9874         * config/score/score.c (th_output_mi_thunk): Likewise.
9875         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
9876         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
9877
9878 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
9879
9880         PR rtl-optimization/32664
9881         * mode-switching.c (create_pre_exit): Skip barrier insns.
9882
9883 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9884
9885         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
9886         force_gimple_operand_bsi.
9887         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
9888         rewrite_use_compare): Ditto.
9889         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
9890         Ditto.
9891         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
9892         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
9893         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
9894         * tree-profile.c (prepare_instrumented_value,
9895         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9896         tree_gen_one_value_profiler, tree_gen_ic_profiler,
9897         tree_gen_ic_func_profiler, tree_gen_average_profiler,
9898         tree_gen_ior_profiler): Ditto.
9899         * tree-ssa-reassoc.c (negate_value): Ditto.
9900         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
9901         Use force_gimple_operand_bsi.
9902         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9903         * tree-if-conv.c (add_to_dst_predicate_list,
9904         find_phi_replacement_condition): Ditto.
9905         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
9906         Call mark_symbols_for_renaming for new statements.
9907         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
9908
9909 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
9910
9911         * cfghooks.c (remove_edge): New function.
9912         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
9913         loop exit rescans.
9914         * cfghooks.h (remove_edge): Declare.
9915         * cfg.c (remove_edge): Renamed to remove_edge_raw.
9916         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
9917
9918 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
9919
9920         * optabs.h: Added declaration for signbit_optab.  
9921         * optabs.c: (init_optabs): Added initialization for signbit_optab.
9922         * genoptinit.c (optabs): Added entry for signbit insns.  
9923         * builtins.c (expand_builtin_signbit): Added code to use a signbit
9924         insn, if available.  
9925         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.  
9926         * config/s390/s390.md (signbit<mode>2): New expander.  
9927
9928 2007-07-09  Richard Guenther  <rguenther@suse.de>
9929
9930         PR middle-end/32698
9931         * fold-const.c (fold_plusminus_mult_expr): Move constant
9932         arguments second to allow decomposing.
9933
9934 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
9935
9936         Revert:
9937         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
9938         PR debug/23551
9939         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
9940         Disregard DECL_FROM_INLINE.
9941
9942 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9943
9944         PR target/27855
9945         * doc/invoke.texi: Add ftree-reassoc flag.
9946         * common.opt (ftree-reassoc): New flag.
9947         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
9948         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
9949
9950 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
9951
9952         PR tree-optimization/32681
9953         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
9954         saved in second_edge->aux when first_bb is a loop header.
9955
9956 2007-07-09  Jan HUbicka  <jh@suse.cz>
9957
9958         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
9959
9960 2007-07-09  Richard Guenther  <rguenther@suse.de>
9961
9962         * c-decl.c (start_function): Do not promote return type.
9963
9964 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
9965
9966         * function.c (do_warn_unused_parameter): Do not warn if
9967         TREE_NO_WARNING is set.
9968
9969 2007-07-08  Andreas Schwab  <schwab@suse.de>
9970
9971         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
9972
9973 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
9974
9975         Revert this patch:
9976         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
9977
9978         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
9979         apply to assembly language, too.
9980         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
9981
9982 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
9983
9984         Revert (note the sccvn portions are *not* reverted)
9985         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
9986
9987         Fix PR tree-optimization/23488
9988
9989         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
9990         handles.
9991         * tree-flow-inline.h (get_value_handle): Ditto.
9992         * tree-ssa-pre.c (decl_vh_map): New.
9993         (decl_node_pool): New.
9994         (can_value_number_operation): Support DECL_P.
9995         (can_PRE_operation): Ditto.
9996         (create_expression_by_pieces): Ditto.
9997         (find_existing_value_expr): Modify to differnetiate between
9998         addressing and top level.
9999         (create_value_handle_for_expr): Handle DECL's.
10000         (poolify_tree): Ditto.
10001         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10002         (make_values_for_stmt): Handle DECL's properly.
10003         (init_pre): Reorg to not init useless things during FRE.
10004         (fini_pre): Ditto.
10005         * tree-flow.h: Include pointer-set.h.
10006         (decl_vh_map): Declare.
10007         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10008
10009 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10010
10011         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10012         the constraint description.
10013         * doc/md.texi: Update documentation of AVR constraints.
10014
10015 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10016
10017         * auto-inc-dec.c, config/arm/arm.c,
10018         config/m32r/constraints.md, config/mips/mips.md,
10019         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10020         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10021         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10022         typos.  Follow spelling conventions.
10023         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10024
10025         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10026         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10027
10028         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10029         realloc_vuse): Remove.
10030         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10031         and realloc_vuse.
10032
10033 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10034
10035         Fix PR tree-optimization/23488
10036
10037         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10038         (try_to_simplify): Ditto.
10039         (visit_use): Ditto.
10040         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10041         handles.
10042         * tree-flow-inline.h (get_value_handle): Ditto.
10043         * tree-ssa-pre.c (decl_vh_map): New.
10044         (decl_node_pool): New.
10045         (can_value_number_operation): Support DECL_P.
10046         (can_PRE_operation): Ditto.
10047         (create_expression_by_pieces): Ditto.
10048         (find_existing_value_expr): Modify to differnetiate between
10049         addressing and top level.
10050         (create_value_handle_for_expr): Handle DECL's.
10051         (poolify_tree): Ditto.
10052         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10053         (make_values_for_stmt): Handle DECL's properly.
10054         (init_pre): Reorg to not init useless things during FRE.
10055         (fini_pre): Ditto.
10056         * tree-flow.h: Include pointer-set.h.
10057         (decl_vh_map): Declare.
10058         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10059                 
10060 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10061
10062         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10063         apply to assembly language, too.
10064         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10065
10066 2007-07-06  Ian Lance Taylor  <iant@google.com>
10067             Zack Weinberg  <zackw@panix.com>
10068
10069         PR middle-end/32441
10070         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10071
10072 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10073
10074         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10075         (prefetch): Likewise if "pref" would be used.
10076
10077 2007-07-06  Josh Conner  <jconner@apple.com>
10078
10079         PR middle-end/32602
10080         PR middle-end/32603
10081         * calls.c (store_one_arg): Handle arguments which are partially
10082         on the stack when detecting argument overlap.
10083
10084 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10085
10086         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10087         chosen during find_reloads.
10088
10089 2007-07-06  Richard Guenther  <rguenther@suse.de>
10090
10091         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10092         TYPE_ARG_TYPES for verification of argument types.  Use
10093         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10094         parameters as variable arguments.
10095
10096 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10097
10098         * libgcc2.h (word_type): Type definition removed.
10099         (cmp_return_type, shift_count_type): Type definitions added.
10100         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10101         replaced with shift_count_type.
10102         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10103         cmp_return_type.
10104         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10105         changed from word_type to Wtype.
10106         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10107         replaced with shift_count_type.
10108         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10109         cmp_return_type.
10110         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10111         and libgcc_shift_count attribute added.
10112         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10113         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10114         (TARGET_INITIALIZER): New target hooks added.
10115         * targhooks.c (default_libgcc_cmp_return_mode,
10116         default_libgcc_shift_count_mode): Default implementations for the new
10117         target hooks added.
10118         * targhooks.h (default_libgcc_cmp_return_mode,
10119         default_libgcc_shift_count_mode): Function prototypes added.
10120         * target.h (struct gcc_target): Fields for the new target hooks added.
10121         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10122         as library call.
10123         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10124         library call.
10125
10126         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10127         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10128
10129         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10130         s390_libgcc_shift_count_mode): Functions added.
10131         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10132         Target hooks defined.
10133
10134 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10135
10136         * config/mips/mips.c (compute_frame_size): Restore the original
10137         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10138         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10139         Document why the difference is needed.
10140
10141 2007-07-06  Richard Guenther  <rguenther@suse.de>
10142
10143         * c-common.c (boolean_increment): Use correctly typed
10144         constant.
10145
10146 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10147
10148         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10149         the topmost argument register is not also included in the save mask.
10150         (mips16e_collect_argument_save_p): Take a pointer to the argument
10151         register, rather than a pointer to the number of arguments.
10152         (mips16e_collect_argument_saves): Only include argument saves
10153         that aren't in the register mask.
10154
10155 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10156
10157         PR rtl-optimization/32450
10158         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10159         to ensure that instructions are not moved into the prologue when
10160         profiling is on.  Remove unused prologue_end variable.
10161         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10162         as a scheduling barrier.
10163
10164 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10165
10166         PR debug/23551
10167         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10168         Disregard DECL_FROM_INLINE.
10169
10170 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10171
10172         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10173         IORing with a constant.
10174
10175 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10176
10177         PR rtl-optimization/32475
10178         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10179         for every definition of the stack pointer.
10180
10181 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10182
10183         * arm.c (vfp3_const_double_index): Copy signed results of
10184         REAL_VALUE_TO_INT into unsigned vars.
10185
10186 2007-07-05  Richard Guenther  <rguenther@suse.de>
10187
10188         PR middle-end/32639
10189         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10190         FUNCTION_TYPE.
10191         * tree-ssa.c (useless_type_conversion_p): Check canonical
10192         types early.
10193
10194 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10195
10196         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2, 
10197         zero_extendhisi2): Change to define_insn_and_split. 
10198         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10199
10200 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10201
10202         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10203         pass_match_asm_constraints): New.
10204         * passes.c (init_optimization_passes): Add new pass.
10205         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10206         * function.h (struct function): Add has_asm_statement bit.
10207         (current_function_has_asm_statement): New.
10208         * tree-pass.h (pass_match_asm_constraints): New.
10209
10210 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10211
10212         * config/mips/mips.c (mips_file_start): Avoid declaration
10213         after code.
10214
10215 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10216
10217         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10218
10219 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10220
10221         * rtl.def (NOTE): Change print format string to print
10222         operand 5 as a note insn name.
10223
10224 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10225             David Ung  <davidu@mips.com>
10226
10227         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10228         * doc/invoke.texi: (MIPS Options): Document them.
10229
10230 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10231             David Ung  <davidu@mips.com>
10232
10233         Add support for SmartMIPS ASE.
10234
10235         * optabs.c (expand_binop_directly): New, broken out from...
10236         (expand_binop): Here.  Make it try rotating in the other
10237         direction even when the second operand isn't constant.
10238         * config/mips/mips.md (*lwxs): New.
10239         * config/mips/mips.opt (msmartmips): New.
10240         * config/mips/mips.c (mips_lwxs_address_p): New.
10241         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10242         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10243         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10244         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10245         (ISA_HAS_LWXS): New.
10246         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10247         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10248         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10249         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10250         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10251         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10252         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10253
10254 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10255
10256         * tree-vectorizer.c (new_loop_vec_info): Initialize
10257         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10258         * tree-vectorizer.h (_loop_vec_info): Added new filed
10259         min_profitable_iters.
10260         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10261         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10262         * tree-vect-analyze.c (vect_analyze_operations): Set
10263         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10264         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10265         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10266         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10267         and prologue cost to after they are computed.
10268         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10269         TARG_VEC_STMT_COST.
10270         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10271         of creating vectors from scalars according to dt.
10272         (vect_model_store_cost): Likewise.
10273         (vectorizable_call): Use dt array instead of scalar dt. Call
10274         vect_model_simple_cost with additional argument dt.
10275         (vectorizable_assignment): Likewise.
10276         (vectorizable_operation): Likewise.
10277         (vectorizable_type_demotion): Likewise.
10278         (vectorizable_type_promotion): Likewise.
10279         (vectorizable_store): Use dt array instead of scalar dt. Call
10280         vect_model_store_cost with additional argument dt.
10281         (vect_do_peeling_for_loop_bound): Don't call
10282         vect_estimate_min_profitable_iters. Instead, lookup
10283         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10284         "may not be profitable".
10285
10286 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10287
10288         PR testsuite/32014
10289         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10290         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10291         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10292         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns. 
10293
10294 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10295
10296         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10297         addressing modes cheaper.
10298
10299 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10300
10301         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10302         (dw_ranges_struct): Rename block_num to num.  Adjust.
10303         (dw_ranges_by_label_struct): New.
10304         (ranges_by_label, ranges_by_label_allocated,
10305         ranges_by_label_in_use): New variables.
10306         (add_ranges_num): Factored most of the code out of...
10307         (add_ranges): ... this one.  Rewrite in terms of the former.
10308         (add_ranges_by_labels): New.
10309         (output_ranges): Output by-label ranges.
10310         (dwarf2out_finish): Output range for multiple-section
10311         compile_unit.  Output standard DW_AT_low_pc in addition to
10312         unexpected DW_AT_entry_pc.
10313
10314 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10315
10316         PR tree-optimization/32604
10317         PR tree-optimization/32606
10318
10319         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10320         (compute_antic_safe): Removed.
10321         (ANTIC_SAFE_LOADS): Ditto.
10322         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10323         (execute_pre): Don't call compute_antic_safe.
10324         (vuse_equiv): New function.
10325         (make_values_for_stmt): Use it
10326         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10327         not always true.
10328
10329 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10330
10331         PR target/31331
10332         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10333         rather than a decl. 
10334         (avr_attribute_table): Make "naked" attribute apply to function types
10335         rather than to decls.
10336         (avr_handle_fntype_attribute): New function.
10337
10338 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10339
10340         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10341         after \.
10342
10343 2007-07-04  David Ung  <davidu@mips.com>
10344             Joseph Myers  <joseph@codesourcery.com>
10345
10346         * config/mips/mips.md (type): Add logical, signext and move.
10347         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10348         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10349         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10350         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10351         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10352         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10353         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10354         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10355         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10356         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10357         movv2sf_hardfloat_64bit): Use the new types.
10358         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10359         *movdf_softfloat, *movdf_mips16): Use "multi".
10360         (extendqihi2): Replace with a define_expand.
10361         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10362         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10363         * config/mips/74k.md (r74k_int_logical): New reservation and
10364         bypasses.
10365         (r74k_int_arith): Remove "slt".
10366         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10367         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10368         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10369         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10370         reservations for "arith".
10371
10372 2007-07-04  Richard Guenther  <rguenther@suse.de>
10373
10374         * tree-ssa.c (useless_type_conversion_p): Add handling for
10375         scalar float and vector types.  Only call the types_compatible_p
10376         langhook for aggregate types as last resort.  Follow the
10377         rules.
10378
10379 2007-07-04  Richard Guenther  <rguenther@suse.de>
10380
10381         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10382         the same as NOP_EXPR.
10383
10384 2007-07-04  Nick Clifton  <nickc@redhat.com>
10385
10386         * target.h (struct gcc_target): Add target_help field.
10387         * target-def.h (TARGET_HELP): New.
10388         (TARGET_INITIALIZER): Use TARGET_HELP.
10389         * opts.c (command_handle_option): Invoke target_help function, if
10390         defined, when the user has specified --target-help on the command
10391         line.
10392         * doc/invoke.texi: Mention that --target-help might print
10393         additional information.
10394         * doc/tm.texi: Document TARGET_HELP hook.
10395
10396         * arm.c (TARGET_HELP): Override default definition.
10397         (arm_target_help): New - display a wrapped list of cores and
10398         architectures supported.
10399
10400 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10401
10402         * config/v850/v850.c (expand_prologue): Make sure
10403         GEN_INT() argument is sign extended rather than zero extended.
10404         (expand_epilogue): Likewise.
10405         (output_move_double): Delete.
10406         * config/v850/v850-protos.h (output_move_double): Delete.
10407         * config/v850/v850.md (movdi): Delete.
10408         (*movdi_internal): Delete.
10409         (movdf): Delete.
10410         (*movdf_internal): Delete.
10411
10412 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10413
10414         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10415         unless compiling RTP PIC.
10416
10417 2007-07-04  Richard Guenther  <rguenther@suse.de>
10418
10419         PR tree-optimization/32482
10420         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10421         original ssa name if we didn't find a shift expression.
10422         Fix shift constant for bit zero test.
10423
10424 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10425
10426         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10427
10428 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10429
10430         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10431         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10432         * config/arm/vxworks.h (ASM_SPEC): Delete.
10433         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10434
10435 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10436
10437         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10438         (DDR_REVERSED_P): New.
10439         * tree-data-ref.c (initialize_data_dependence_relation,
10440         build_classic_dist_vector): Set DDR_REVERSED_P.
10441
10442 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10443
10444         PR middle-end/32457
10445         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10446         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10447         init_omega_for_ddr_1): Use non conservative number of iterations
10448         estimations.
10449         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10450         (analyze_siv_subscript): Remove FIXME and reinitialization of 
10451         last_conflicts to chrec_dont_know.
10452         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10453
10454 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10455
10456         * tree.c (maybe_canonicalize_argtypes): Improve description.
10457
10458 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10459
10460         * tree.c (maybe_canonicalize_argtypes): New.
10461         (build_function_type): Set canonical type.
10462         (build_method_type_directly): Ditto.
10463         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10464         properly.
10465
10466 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10467
10468         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10469         like PLUS_EXPR.
10470         (rewrite_use_nonlinear_expr): Likewise.
10471
10472 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10473
10474         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10475
10476 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10477
10478         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10479         of this file.
10480
10481         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10482
10483         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10484         (Exception Handling): Likewise.
10485
10486 2007-07-03  Jan Hubicka  <jh@suse.cz>
10487
10488         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10489
10490 2007-07-03  Eric Christopher  <echristo@apple.com>
10491
10492         * doc/cppopts.texi: Add conflicting option note to -dM.
10493         * doc/invoke.texi: Add note about possible conflicts with
10494         -E for -dCHARS and note that -dM will not produce
10495         any results if there is no machine dependent reorg.
10496         
10497 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10498
10499         * tree.h (DECL_ALIGN): Back out previous change.
10500
10501 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10502
10503         * configure.ac: Test for .dtprelword support on MIPS.
10504         * configure, config.in: Regenerate.
10505         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10506         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10507
10508 2007-07-03  Julian Brown  <julian@codesourcery.com>
10509
10510         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10511         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10512         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10513         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10514         capability.
10515         (all_fpus): Add FPUTYPE_VFP3.
10516         (fp_model_for_fpu): Add VFPv3 field.
10517         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10518         (vfp3_const_double_index): New function. Return integer index of
10519         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10520         isn't suitable.
10521         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10522         and argument represents a valid RTX for a VFPv3 constant.
10523         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10524         two instructions.
10525         (vfp_emit_fstmd): Similar, for fstmd.
10526         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10527         constants, represented as integer indices.
10528         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10529         VFP_REGNO_OK_FOR_DOUBLE macros.
10530         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10531         (arm_file_start): Set float-abi attribute for VFPv3, and output
10532         correct ".fpu" assembler directive.
10533         (arm_dbx_register_numbering): Add FIXME.
10534         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10535         (fputype): Add FPUTYPE_VFP3.
10536         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10537         (CALL_USED_REGISTERS): Likewise.
10538         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10539         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10540         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10541         (D7_VFP_REGNUM): New.
10542         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10543         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10544         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10545         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10546         (REG_ALLOC_ORDER): Adjust for VFPv3.
10547         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10548         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10549         VFP_LO_REGS, VFP_HI_REGS.
10550         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10551         (IS_VFP_CLASS): Define macro.
10552         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10553         IS_VFP_CLASS.
10554         (REGISTER_MOVE_COST): Likewise.
10555         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10556         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10557         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10558         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10559         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10560         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10561         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10562         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10563         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10564         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10565         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10566         where appropriate for single-word registers.
10567         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10568         As above. Fix type attributes.
10569         * config/arm/constraints.md (register_contraint "t"): Define.
10570         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10571         VFPv3/NEON.
10572         (register_constraint "x"): Define.
10573         (constraint "Dv"): Define.
10574
10575 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10576
10577         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10578
10579 2007-07-03  Tom Tromey  <tromey@redhat.com>
10580
10581         * c-parser.c (objc_pq_context): Removed.
10582         (objc_need_raw_identifier): Likewise.
10583         (c_parser) <objc_pq_context>: New field.
10584         <objc_need_raw_identifier>: Likewise.
10585         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10586         (c_lex_one_token): Update.
10587         (c_parser_objc_protocol_definition): Update.
10588         (c_parser_objc_method_definition): Update.
10589         (c_parser_objc_methodproto): Update.
10590         (c_parser_declspecs): Update.
10591
10592 2007-07-03  David Ung  <davidu@mips.com>
10593
10594         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10595
10596 2007-07-03  David Ung  <davidu@mips.com>
10597             Richard Sandiford  <richard@codesourcery.com>
10598
10599         * doc/invoke.texi: Document -march=74kf3_2.
10600         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10601         (TUNE_74K): Check for it.
10602         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10603         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10604         * config/mips/mips.md (cpu): Add 74kf3_2.
10605         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10606         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10607         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10608         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10609         74kf3_2 to the CPU list.
10610         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10611         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10612         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10613         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10614         (r74kf3_2_fxfer_from_c1): New insn reservations.
10615
10616 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10617             David Ung  <davidu@mips.com>
10618
10619         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10620         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10621         and 74k[fx].  Document aliases for the new options.
10622         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10623         (PROCESSOR_24KF2_1): ...this.
10624         (PROCESSOR_24KX): Rename to...
10625         (PROCESSOR_24KF1_1): ...this.
10626         (PROCESSOR_74KF): Rename to...
10627         (PROCESSOR_74KF2_1): ...this.
10628         (PROCESSOR_74KX): Rename to...
10629         (PROCESSOR_74KF1_1): ...this.
10630         (TUNE_74K): Update PROCESSOR_* names.
10631         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10632         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10633         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10634         (mips_rtx_cost_data): Update processor names in comments.
10635         (mips_issue_rate): Update PROCESSOR_* names.
10636         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10637         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10638         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10639         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10640         Update cpu attribute names.
10641         (r24k_fpu_iss): Rename this reservation to...
10642         (r24kf2_1_fpu_iss): ...this and update all uses.
10643         (r24kx_fpu_iss): Rename this reservation to...
10644         (r24kf1_1_fpu_iss): ...this and update all uses.
10645         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10646         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10647         Update cpu attribute names.
10648
10649 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10650
10651         * config/m32r/constraints.md: New file.
10652         * config/m32r/m32r.c: Include tm-constrs.h.
10653         (small_data_operand): Use satisfies_constraint_* instead of macro.
10654         (addr24_operand, gen_compare): Likewise.
10655         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10656         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10657         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10658         EXTRA_CONSTRAINT): Likewise.
10659         * config/m32r/m32r.md: Include constraints.md.
10660         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10661         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10662         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10663         (two_insn_const_operand, int8_operand, uint16_operand,
10664         reg_or_int16_operand, reg_or_uint16_operand,
10665         reg_or_cmp_int16_operand, cmp_int16_operand,
10666         seth_add3_operand): Likewise.
10667
10668 2007-07-03  Eric Christopher  <echristo@gmail.com>
10669
10670         * libgcc2.h: Conditionally declare __bswapsi2 and
10671         __bswapdi2.
10672         
10673 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10674
10675         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10676         defined.
10677
10678 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10679
10680         PR target/28307
10681         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
10682         (__gthrw_pragma): Provide default definition.
10683         (__gthrw2): Use it.
10684         * gthr-posix.c (__gthrw_pragma): Define.
10685
10686 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
10687
10688         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
10689         before declaring inequality.
10690
10691 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10692
10693         * combine.c (recog_for_combine): Log the success or failure of
10694           matching new insn patterns against the machine description in
10695           detailed dumps.
10696
10697 2007-07-03  Revital Eres  <eres@il.ibm.com>
10698
10699         * ddg.c (print_sccs): New function.
10700         (check_sccs): New function.
10701         (create_ddg_all_sccs): Use it.
10702         * ddg.h (print_sccs): Declare.
10703         * modulo-sched.c (sms_order_nodes): Call print_sccs.
10704
10705 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
10706
10707         * targhooks.h (default_mode_for_suffix): New function declaration.
10708         * targhooks.c (default_mode_for_suffix): New default target hook.
10709         * target.h (struct c): New structure in the targetm struct.
10710         (mode_for_suffix): New target hook as part of struct c.
10711         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
10712         default_mode_for_suffix.
10713         (TARGET_C): New define.
10714         * c-lex.c: Include "target.h".
10715         (interpret_float): Use targetm.c.mode_for_suffix to determine
10716         the mode for a given non-standard suffix.
10717         Makefile.in (c-lex.o): Depend on $(TARGET_H).
10718
10719         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
10720         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
10721
10722         * doc/extend.texi (Floating Types): New node.  Document __float80 and
10723         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
10724
10725 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
10726
10727         PR target/32506
10728         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
10729         predicate instead of target_operand.
10730         (divsi3_i1_media, divsi3_media_2): Likewise.
10731
10732 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
10733
10734         * tree.h (alias_sets_might_conflict_p): Rename into
10735         alias_sets_must_conflict_p.
10736         * alias.c (alias_sets_might_conflict_p): Likewise.
10737         (alias_sets_conflict_p): Use it.
10738         (objects_must_conflict_p): Likewise.
10739         * c-common.c (strict_aliasing_warning): Adjust.
10740
10741 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10742
10743         * rtlhooks.c (gen_lowpart_if_possible): Check for
10744         invalid subreg before calling gen_lowpart_SUBREG.
10745
10746 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
10747
10748         * config/darwin9.h: Add copyright notice.
10749         (LINK_COMMAND_SPEC): Add comment.
10750         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
10751         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
10752         DARWIN_LIBSYSTEM_HAS_UNWIND.
10753
10754 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10755
10756         PR libgomp/32468
10757         * omp-low.c (check_combined_parallel): New function.
10758         (lower_omp_parallel): Call it via walk_stmts, set
10759         OMP_PARALLEL_COMBINED if appropriate.
10760         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
10761         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
10762         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
10763         don't consider it as combined parallel.
10764
10765 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10766
10767         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
10768         (gcc_tooldir): Likewise.
10769         * configure: Regenerate.
10770         * Makefile.in (libsubdir_to_prefix): New variable, based on the
10771         old configure.ac gcc_tooldir setting.
10772         (prefix_to_exec_prefix): New variable.
10773         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10774         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
10775
10776 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
10777
10778         Fix PR tree-optimization/32583
10779         Fix PR tree-optimization/32584
10780         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
10781         (phi_translate_set): Use phi_translate directly now.
10782         (make_values_for_stmt): Don't value number RHS if we already know
10783         it is constant.
10784
10785 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
10786             Jim Wilson <wilson@specifix.com>
10787
10788         PR target/31684
10789         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
10790         copy_insn.
10791
10792 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
10793             Richard Sandiford  <richard@codesourcery.com>
10794             Nigel Stephens  <nigel@mips.com>
10795
10796         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
10797         (mips16e_output_save_restore): Declare.
10798         (mips16e_save_restore_pattern_p): Likewise.
10799         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
10800         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
10801         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
10802         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
10803         (BITSET_P): New global macro, extracted from...
10804         (mips_for_each_saved_reg): ...here.
10805         (mips16e_save_restore_info): New struct.
10806         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
10807         (mips16e_save_restore_regs): New variable.
10808         (mips_split_plus, mips16e_find_first_register): New functions.
10809         (mips16e_mask_registers): New function.
10810         (compute_frame_size): Expand the commentary before the function.
10811         Enforce the MIPS16e save and restore register range restrictions.
10812         Pad the general register save area at the low end.
10813         (mips16e_save_restore_reg, mips16e_build_save_restore)
10814         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
10815         (mips16e_output_save_restore, mips16e_collect_propagate_value)
10816         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
10817         New functions.
10818         (mips_expand_prologue, mips_expand_epilogue): Handle
10819         GENERATE_MIPS16E_SAVE_RESTORE.
10820         * config/mips/mips.md (*mips16e_save_restore): New pattern.
10821
10822 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
10823
10824         PR tree-optimization/31966
10825         PR tree-optimization/32533
10826         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
10827         "basic_block" description as its third argument.  Update function
10828         calls to get destination bb from "edge" argument.  Save "cond" into
10829         aux field of the edge.  Update prototype for changed arguments.
10830         (if_convertible_loop_p): Clear aux field of incoming edges if bb
10831         contains phi node.
10832         (find_phi_replacement_condition): Operate on incoming edges, not
10833         on predecessor blocks.  If there is a condition saved in the
10834         incoming edge aux field, AND it with incoming bb predicate.
10835         Return source bb of the first edge.
10836         (clean_predicate_lists): Clean aux field of outgoing node edges.
10837         (tree_if_conversion): Do not initialize cond variable. Move
10838         variable declaration into the loop.
10839         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
10840         initializations of new_stmt, arg0 and arg1 variables.
10841
10842 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
10843
10844         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
10845         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
10846
10847 2007-07-02  Richard Guenther  <rguenther@suse.de>
10848
10849         * tree-ssa.c (useless_type_conversion_p): Document
10850         future intent as defining the middle-end type system.
10851         Re-structure to call langhook last, group by type class,
10852         mark questionable parts.
10853
10854 2007-07-02  Richard Guenther  <rguenther@suse.de>
10855
10856         * tree-flow.h (types_compatible_p): Declare.
10857         * tree-ssa.c (types_compatible_p): New function.
10858         * ipa-type-escape.c (discover_unique_type): Use
10859         types_compatible_p instead of lang_hooks.types_compatible_p.
10860         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
10861         * tree-vn.c (expressions_equal_p): Likewise.
10862         * tree.c (fields_compatible_p): Likewise.
10863         * tree-ssa-dom.c (avail_expr_eq): Likewise.
10864         (cprop_operand): Use useless_type_conversion_p instead of
10865         lang_hooks.types_compatible_p.
10866         * tree-inline.c (setup_one_parameter): Likewise.
10867         (declare_return_variable): Likewise.
10868         * tree-nrv.c (tree_nrv): Likewise.
10869         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
10870         (maybe_fold_offset_to_component_ref): Likewise.
10871         (maybe_fold_offset_to_reference): Likewise.
10872         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10873         (merge_alias_info): Likewise.
10874         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10875         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
10876         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
10877         * tree-tailcall.c (find_tail_calls): Likewise.
10878         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
10879         * gimplify.c (canonicalize_addr_expr): Likewise.
10880         (fold_indirect_ref_rhs): Likewise.
10881         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
10882         (cpt_same_type): Likewise.
10883         (check_pointer_types_r): Swap parameters to cpt_same_type
10884         where appropriate.
10885         * fold-const.c (fold_convert): Revert fix for PR15988.
10886         * tree-inline.c (setup_one_parameter): Instead fix it here by
10887         using fold_build1 instead of fold_convert and checking for
10888         error_mark_node.  Convert only if the conversion is necessary.
10889
10890 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
10891
10892         * configure.ac: Check for .gnu_attribute on Power.
10893         * configure: Regenerate.
10894         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
10895         attribute for floating-point ABI.
10896
10897 2007-07-02  Ira Rosen  <irar@il.ibm.com>
10898
10899         PR tree-optimization/32230
10900         PR tree-optimization/32477
10901         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base 
10902         address is a constant.
10903
10904 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
10905
10906         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
10907         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
10908         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
10909         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
10910         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
10911         64-bit targets.  Add support for *-elfoabi*.
10912         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
10913         different settings if $(tm_defines) does not select the EABI.
10914         (MULTILIB_EXCLUSIONS): Define in those circumstances.
10915         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
10916         (MIPS_ARCH_OPTION_SPEC): Likewise.
10917         (MIPS_ISA_LEVEL_SPEC): Likewise.
10918         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
10919         * config/mips/elfoabi.h: New file.
10920
10921 2007-07-02  Richard Guenther  <rguenther@suse.de>
10922
10923         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
10924         (useless_type_conversion_p): ... this.
10925         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
10926         (useless_type_conversion_p): ... this.
10927         * builtins.c (fold_builtin_memory_op): Rename
10928         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
10929         * tree-cfg.c (verify_expr): Likewise.
10930         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
10931         * tree-ssa-ccp.c (ccp_fold): Likewise.
10932         * tree-ssa-copy.c (may_propagate_copy): Likewise.
10933         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
10934         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
10935         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
10936         * tree-ssa-pre.c (eliminate): Likewise.
10937         * tree-ssa.c (delete_tree_ssa): Likewise.
10938         (tree_ssa_useless_type_conversion): Likewise.
10939         * tree.c (build2_stat): Likewise.
10940
10941 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10942
10943         Fix PR tree-optimization/32571
10944         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
10945         simplifying them.
10946
10947 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
10948
10949         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
10950         and other expected operations explicitly, change default to
10951         gcc_unreachable. 
10952
10953 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
10954
10955         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
10956         PARALLEL.
10957         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
10958         (tls_load_dot_plus_eight): Move the label number into the unspec.
10959         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
10960
10961 2007-07-01  Andreas Schwab  <schwab@suse.de>
10962
10963         * dwarf2out.c (initial_return_save): Define only if used.
10964
10965 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
10966
10967         Unreverting Richard's Revert of:
10968
10969         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
10970
10971         * dce.c (deletable_insn_p_1): New function, split out from...
10972         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
10973         specially, not those inside PARALLELs.  Remove BODY argument
10974         and adjust recursive call accordingly.
10975         (prescan_insns_for_dce): Update call to delete_insn_p.
10976
10977 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
10978             Revital Eres  <eres@il.ibm.com>
10979
10980         * ddg.c (create_ddg_all_sccs): Fix missed
10981         initialization of scc_nodes.
10982
10983 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
10984
10985         PR middle-end/32559
10986         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
10987         X + ~X to 1 only for INTEGRAL_TYPE_P type.
10988
10989 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
10990
10991         * configure.ac: Check for .gnu_attribute on MIPS.
10992         * configure, config.in: Regenerate.
10993         * config/mips/mips.c (mips_file_start): If supported, output
10994         attribute for floating-point ABI.
10995
10996 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
10997
10998         PR target/32433
10999         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11000         (ffs_cmove): New expander to expand using ctz pattern.
11001         (*ffs_cmove): Remove pattern.
11002         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11003         (ffsdi2): Expand using ctz pattern.
11004         (*ffs_rex64): Remove pattern.
11005
11006 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11007
11008         PR rtl-optimization/32296
11009         * pa.md (return): Delete pattern.
11010         (return_internal): Remove "(const_int 1)" from pattern.
11011         (epilogue): Use return_internal pattern for trivial returns.
11012         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11013         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11014
11015 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11016
11017         * tree-ssa-pre.c (is_exception_related): New function
11018         (can_value_number_operation): Use it.
11019
11020 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11021         
11022         Fix PR tree-optimization/32540
11023         Fix PR tree-optimization/31651
11024
11025         * tree-ssa-sccvn.c: New file.
11026
11027         * tree-ssa-sccvn.h: Ditto.
11028         
11029         * tree-vn.c: Include tree-ssa-sccvn.h
11030         (val_expr_paid_d): Removed.
11031         (value_table): Ditto.
11032         (vn_compute): Ditto.
11033         (val_expr_pair_hash): Ditto.
11034         (val_expr_pair_expr_eq): Ditto.
11035         (copy_vuses_from_stmt): Ditto.
11036         (vn_delete): Ditto.
11037         (vn_init): Ditto.
11038         (shared_vuses_from_stmt): Ditto.
11039         (print_creation_to_file): Moved up.
11040         (sort_vuses): Ditto.
11041         (sort_vuses_heap): Ditto.
11042         (set_value_handle): Make non-static.
11043         (make_value_handle): Ditto.
11044         (vn_add): Rewritten to use sccvn lookups.
11045         (vn_add_with_vuses): Ditto.
11046         (vn_lookup): Ditto (and second argument removed).
11047         (vn_lookup_with_vuses): Ditto.
11048         (vn_lookup_or_add): Ditto (and second argument removed);
11049         (vn_lookup_or_add_with_vuses): Ditto.
11050         (vn_lookup_with_stmt): New.
11051         (vn_lookup_or_add_with_stmt): Ditto.
11052         (create_value_handle_for_expr): Ditto.
11053
11054         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11055         (seen_during_translate): New function.
11056         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11057         (phi_trans_add): Ditto.
11058         (constant_expr_p): FIELD_DECL is always constant.
11059         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11060         Use constant_expr_p.
11061         Avoid infinite recursion on mutually valued expressions.
11062         Change callers of vn_lookup_or_add.
11063         (phi_translate): New function.
11064         (compute_antic_safe): Allow phi nodes.
11065         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11066         (find_or_generate_expression): Rewrite slightly.
11067         (create_expression_by_pieces): Updated for vn_lookup_or_add
11068         change.
11069         Update VN_INFO for new names.
11070         (insert_into_preds_of_block): Update for new names.
11071         (add_to_exp_gen): New function.
11072         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11073         (find_existing_value_expr): Rewrite to changed vn_lookup.
11074         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11075         (try_look_through_load): Removed.
11076         (try_combine_conversion): Ditto.
11077         (get_sccvn_value): New function.
11078         (make_values_for_phi): Ditto.
11079         (make_values_for_stmt): Ditto.
11080         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11081         SCCVN.
11082         (init_pre): Update for SCCVN changes.
11083         (fini_pre): Ditto.
11084         (execute_pre): Ditto.
11085
11086         * tree-flow.h (make_value_handle): Declare.
11087         (set_value_handle): Ditto.
11088         (sort_vuses_heap): Ditto.
11089         (vn_lookup_or_add_with_stmt): Ditto.
11090         (vn_lookup_with_stmt): Ditto.
11091         (vn_compute): Remove.
11092         (vn_init): Ditto.
11093         (vn_delete): Ditto.
11094         (vn_lookup): Update arguments.
11095
11096         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11097         (tree-vn.o): Ditto.
11098         (tree-ssa-sccvn.o): New.
11099         (OBJS-common): Add tree-ssa-sccvn.o
11100         
11101 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11102
11103         PR c/4076
11104         * c-typeck.c (build_external_ref): Don't mark as used if called
11105         from itself.
11106         * calls.c (rtx_for_function_call): Likewise.
11107         
11108 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11109
11110         Revert:
11111
11112         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11113
11114         * dce.c (deletable_insn_p_1): New function, split out from...
11115         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11116         specially, not those inside PARALLELs.  Remove BODY argument
11117         and adjust recursive call accordingly.
11118         (prescan_insns_for_dce): Update call to delete_insn_p.
11119
11120 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11121
11122         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11123         (try_combine): Move potential calls to undo_all() so they happen
11124         before we commit to using the combined insns.
11125
11126 2006-06-30  Jan Hubicka  <jh@suse.cz>
11127
11128         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11129         code.
11130
11131 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11132
11133         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11134         (cgraph_remove_unreachable_nodes): Likewise.
11135         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11136         * ipa-inline.c (update_caller_keys): Cast according to the coding
11137         conventions.
11138         (cgraph_decide_recursive_inlining): Likewise.
11139         (cgraph_decide_inlining_of_small_function): Likewise.
11140         (try_inline): Likewise.
11141         (cgraph_decide_inlining_incrementally): Likewise.
11142         * ipa-pure-const.c (get_function_state): Likewise.
11143         (scan_function): Likewise.
11144         (analyze_function): Likewise.
11145         (static_execute): Likewise.
11146         * ipa-reference.c (scan_for_static_refs): Likewise.
11147         (merge_callee_local_info): Likewise.
11148         (analyze_function): Use type safe memory macros.
11149         (static_execute): Likewise. Cast according to the coding conventions.
11150         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11151         conventions.
11152         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11153         names.
11154         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11155         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11156         variable names.
11157
11158 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11159
11160         PR middle-end/30024
11161         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11162         for complex modes (both int and real).
11163
11164 2007-06-29  Jan Hubicka  <jh@suse.cz>
11165
11166         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11167
11168 2007-06-29  Jan Hubicka  <jh@suse.cz>
11169
11170         PR middle-end/32372
11171         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11172         the insn pattern.
11173
11174 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11175
11176         PR target/32335
11177         * config/avr/avr.c: Include dataflow header file.
11178         (expand_prologue): Adjust for prologue insn change.
11179         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11180         inside a insn.
11181
11182 2007-06-29  Richard Guenther  <rguenther@suse.de>
11183
11184         PR middle-end/32493
11185         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11186         during type verification.
11187
11188 2007-06-29  Jan Hubicka  <jh@suse.cz>
11189
11190         * recog.c (validate_change_rtx_1): Unshare TO argument.
11191
11192 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11193
11194         PR tree-optimization/24659
11195         * tree-vect-transform.c (vectorizable_call): Handle
11196         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11197
11198         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11199         * config/i386/i386.c (enum ix86_builtins)
11200         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11201         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11202         description.
11203         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11204         const using def_builtin_const.
11205         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11206         input operands in the same modes as the result.
11207         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11208
11209 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11210
11211         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11212         (df_set_dead_notes_for_mw): Likewise.
11213
11214 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11215
11216         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11217
11218 2007-06-28  DJ Delorie  <dj@redhat.com>
11219
11220         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11221
11222 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11223
11224         * doc/invoke.texi (C++ Dialect Options): Document
11225         fvisibility-ms-compat.
11226         * c.opt (fvisibility-ms-compat): New.
11227
11228 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11229
11230         PR tree-opt/32417
11231         * tree-affine.c (aff_combination_add_elt): Handle
11232         pointer addition specially.
11233
11234 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11235
11236         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11237         decl is non-external for AIX ABI.
11238
11239 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11240
11241         * config/rs6000/predicates.md (current_file_function_operand):
11242         Ensure the symbol is non-external for AIX ABI.
11243
11244 2007-06-28  Nick Clifton  <nickc@redhat.com>
11245
11246         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11247         (fdce, fdse, fpredictive-commoning): Likewise.
11248
11249 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11250
11251         PR other/31400
11252         * gcc.c (process_command): Recognize the new -static-libgfortran
11253         option.
11254
11255 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11256
11257         PR target/32418
11258         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11259         Use a call clobbered hard reg instead of a pseudo reg.
11260
11261 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11262
11263         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11264
11265 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11266
11267         PR target/32479
11268         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11269         REG_LIBCALL and REG_RETVAL notes.
11270         (divsi3, mulsi3): Likewise.
11271         (mulhisi3): Likewise.  Use emit_libcall_block.
11272         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11273
11274 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11275
11276         PR rtl-optimization/32481
11277         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11278
11279 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11280
11281         * dce.c (deletable_insn_p_1): New function, split out from...
11282         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11283         specially, not those inside PARALLELs.  Remove BODY argument
11284         and adjust recursive call accordingly.
11285         (prescan_insns_for_dce): Update call to delete_insn_p.
11286
11287 2007-06-27  Richard Guenther  <rguenther@suse.de>
11288
11289         PR middle-end/32492
11290         * tree.h (fold_convertible_p): Declare.
11291         * fold-const.c (fold_convertible_p): New function.
11292         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11293         instead of lang_hooks.types_compatible_p.
11294
11295 2007-06-26  Jan Hubicka  <jh@suse.cz>
11296
11297         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11298         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11299         early use validate_unshare_change.
11300         (reload_combine): Likewise.
11301         * recog.c (change_t): New field unshare.
11302         (validate_change_1): Rename from validate_change; add argument unshare.
11303         (validate_change): Turn into wrapper of validate_change_1; update
11304         prototype for bools.
11305         (validate_unshare_change): New.
11306         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11307         calls of df_insn_rescan.
11308         * recog.h (validate_change): Replace ints by bools.
11309         (validate_unshare_change): Declare.
11310
11311 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11312
11313         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11314         
11315 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11316
11317         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11318
11319 2007-06-25  Jan Hubicka  <jh@suse.cz>
11320
11321         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11322         uninlinable call.
11323         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11324         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11325         places other call site specific checks are performed.
11326
11327 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11328
11329         PR tree-opt/32421
11330         * tree-vect-transform.c (vectorizable_operation): Convert
11331         POINTER_PLUS_EXPR over to PLUS_EXPR.
11332
11333 2007-06-25  Chao-ying Fu  <fu@mips.com>
11334
11335         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11336         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11337         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11338         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11339
11340         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11341         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11342         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11343         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11344         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11345         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11346         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11347         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11348         ALL_FIXED_POINT_MODE_P): New define.
11349         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11350         MODE_UACCUM.
11351         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11352
11353         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11354         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11355         MODE_VECTOR_UACCUM): New mode classes.
11356
11357         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11358         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11359         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11360         USA, UDA, and UTA.
11361
11362         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11363         (blank_mode): Initialize ibit and fbit.
11364         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11365         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11366         MODE_UACCUM.
11367         (new_adjust): Change required_class to required_class_from and
11368         required_class_to for testing within a range.
11369         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11370         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11371         MODE_VECTOR_UACCUM.
11372         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11373         (make_fixed_point_mode): New.
11374         (_ADD_ADJUST): Change C to C1 and C2.
11375         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11376         use a range for machine classes.
11377         (ADJUST_IBIT, ADJUST_FBIT): New.
11378         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11379         CONST_MODE_FBIT.
11380         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11381         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11382         Emit adjustment for ibit and fbit.
11383         (emit_mode_ibit, emit_mode_fbit): New.
11384         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11385
11386 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11387
11388         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11389         as the source of the set.
11390
11391 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11392
11393         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11394         FP_REGNO_P): Use IN_RANGE.
11395         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11396         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11397         (DATA_REG_P): Use DATA_REGNO_P.
11398         (FP_REG_P): Use FP_REGNO_P.
11399         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11400         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11401         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11402
11403 2007-06-24  Jan Hubicka  <jh@suse.cz>
11404
11405         PR middle-end/30563
11406         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11407
11408 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11409
11410         PR middle-end/32461
11411         * fold-const.c (fold_binary): Strip nops of operand 0
11412         of BIT_NOT_EXPR before calling operand_equal_p.
11413         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11414         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11415
11416 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11417
11418         * doc/extend.texi: Document that dllimport and dllexport imply
11419         default visibility.
11420         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11421         imported or exported declaration, including type declarations.
11422         * c-common.c (handle_visibility_attribute): Check for conflicts
11423         with dllimport/dllexport.
11424         (c_determine_visibility): Handle dllimport/dllexport as an
11425         explicit visibility atttribute.
11426
11427 2007-06-23  Richard Guenther  <rguenther@suse.de>
11428
11429         PR tree-optimization/16876
11430         PR middle-end/29478
11431         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11432         for CALL_EXPRs.
11433         * tree-inline.c (initialize_inlined_parameters): Do not call
11434         lang_hooks.tree_inlining.convert_parm_for_inlining.
11435         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11436         reason for mismatched types.
11437         * gimplify.c (gimplify_call_expr): Verify the call expression
11438         arguments match the called function type signature.  Otherwise
11439         mark the call expression to be not considered for inlining
11440         using CALL_CANNOT_INLINE_P flag.
11441         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11442         edges call expression.
11443         (cgraph_decide_inlining_of_small_function): Likewise.
11444         (cgraph_decide_inlining): Likewise.
11445         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11446         Remove define.
11447         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11448         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11449         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11450         Remove declaration.
11451         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11452         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11453         Remove.
11454         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11455         convert_parm_for_inlining member.
11456
11457 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11458
11459         PR target/31152
11460         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11461         Remove optimization for GT.
11462
11463 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11464
11465         PR middle-end/32437
11466         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11467         is a PARALLEL.
11468         (prescan_insns_for_dce): Add extra parameter.
11469         
11470 2007-06-23  Jan Hubicka  <jh@suse.cz>
11471
11472         PR middle-end/31541
11473         * gimplify.c (mark_addressable): New function.
11474         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11475
11476 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11477
11478         PR middle-end/32374
11479         * expr.c (store_constructor): Do not clobber non-zeroed memory. 
11480
11481 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11482
11483         PR target/32413
11484         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11485         moves between MMX/SSE registers to at least 8 units to prevent
11486         ICE caused by non-tieable SI/HI/QImodes in SSE registers. 
11487
11488 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11489
11490         * config/i386/i386.c (override_options): Correct x86_sahf
11491         setting condition.
11492
11493 2007-06-21  David Daney  <ddaney@avtrex.com>
11494
11495         PR target/32406
11496         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11497         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11498         (exception_receiver): Renamed to ...
11499         (nonlocal_goto_receiver): ... this.
11500
11501 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11502
11503         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11504         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11505         partial register accesses.
11506
11507 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11508
11509         * fold-const.c (debug_fold_checksum): Move it under
11510         ENABLE_FOLD_CHECKING.
11511
11512 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11513
11514         PR middle-end/20623
11515         * tree.h (debug_fold_checksum): Declared.
11516         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11517         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use 
11518         build_fold_addr_expr_with_type_1.
11519         (fold_addr_expr, debug_fold_checksum): New.
11520         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11521         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11522         Use fold_addr_expr.
11523         
11524 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11525
11526         PR tree-optimization/19590
11527         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11528         of scev is a constant.
11529
11530 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11531
11532         * df-problems.c (df_note_bb_compute): Made computation of live
11533         info consistent with df_lr.
11534
11535 2007-06-21  Richard Guenther  <rguenther@suse.de>
11536
11537         PR tree-optimization/32453
11538         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11539         for pointer anti-range.
11540
11541 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11542
11543         * config/i386/i386.c (processor_target_table): Increase maximum
11544         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11545         default 64bit.
11546
11547         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11548         byte alignment if > 8 byte alignment is preferred.
11549         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11550
11551 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11552
11553         PR tree-optimization/31866
11554         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11555         if ASM_EXPR's input is not a SSA_NAME.
11556
11557         PR middle-end/32362
11558         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11559         but decl is a global var, instead return decl.
11560         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11561         even for is_global_var decls, if they are private in some outer
11562         context.
11563
11564 2007-06-21  Richard Guenther  <rguenther@suse.de>
11565
11566         PR tree-optimization/32451
11567         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11568
11569 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11570
11571         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11572         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11573         (push_regs): Changed saving order or banked registers.
11574         (sh_expand_epilogue): Likewise.
11575         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11576         (FIRST_BANKED_REG): Likewise.
11577         (LAST_BANKED_REG): Likewise.
11578         * config/sh/sh.md (banked) New attribute.
11579         (in_delay_slot): Check banked attribute.
11580         
11581 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11582
11583         PR tree-optimization/32075
11584         * tree-data-ref.c (subscript_dependence_tester_1, 
11585         analyze_miv_subscript, analyze_overlapping_iterations,
11586         add_distance_for_zero_overlaps, build_classic_dist_vector,
11587         subscript_dependence_tester_1, analyze_overlapping_iterations,
11588         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11589         compute_affine_dependence, compute_all_dependences): Pass loop_nest 
11590         to evolution_function_is_affine_multivariate_p.
11591
11592 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11593
11594         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11595
11596 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11597
11598         PR target/32335
11599         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11600         for TARGET_A16.
11601         * config/m32c/prologue.md (epilogue_exitd_16): New.
11602         (epilogue_reit_16): New.
11603         (epilogue_exitd): Rename to epilogue_exitd_24.
11604         (epilogue_reit): Rename to epilogue_reit_24.
11605
11606 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11607             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11608
11609         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11610         New counters.
11611         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11612         if dbg_cnt (sched_insn) reaches the limit.
11613         (choose_ready): New parameter INSN_PTR and new return value.
11614         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11615         the new return value from choose_ready.
11616         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11617         (rest_of_handle_global_alloc): New global_alloc_at_func.
11618
11619 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11620
11621         PR tree-optimization/25737
11622         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11623         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11624         * tree-flow.h (struct fieldoff): Add new field alias_set.
11625         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11626         argument addressable_type.  Set alias_set of fieldoff.
11627         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11628         (create_overlap_variables_for): Pass alias_set from fieldoff to
11629         create_sft.
11630         * alias.c (get_alias_set): Use alias_set from SFT if set.
11631
11632 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11633
11634         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11635         of a variable as an unsigned HOST_WIDE_INT integer.
11636
11637 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11638
11639         PR rtl-optimization/32405
11640         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11641
11642 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11643
11644         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11645
11646         PR middle-end/31959
11647         * builtins.c: Include diagnostic.h.
11648         (expand_builtin_expect): Make gcc_assert more permissive.
11649         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11650
11651         PR inline-asm/32109
11652         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11653         and !allows_mem.
11654
11655         PR middle-end/32285
11656         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11657         if ACCUMULATE_OUTGOING_ARGS.
11658
11659 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11660
11661         * config/m68hc11/m68hc11.c: Include dataflow header file.
11662         (m68hc11_reorg): Port to dataflow.
11663
11664 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11665
11666         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11667         (struct df_problem.free_blocks_on_set_blocks): New field.
11668         (struct dataflow.optional_p): New field.
11669         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11670         (df_live_set_all_dirty): New function.
11671         * df-scan.c (df_scan_alloc): Initialize optional_p.
11672         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11673         * df-core.c (df_set_blocks): Removed use of
11674         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11675         df_problem.free_blocks_on_set_blocks to determine which blocks are
11676         recycled.
11677         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11678         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11679         uses dataflow.optional_p to determine if problem should be
11680         deleted.
11681         (rest_of_handle_df_initialize): Only start live problem if 
11682         -02 or above.
11683         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11684         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
11685         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
11686         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
11687         problem_NOTE): Initialize free_blocks_on_set_blocks.
11688         (df_lr_bb_local_compute): Recompute luids if df_live problem is
11689         not active.
11690         (df_live_set_all_dirty, df_note_alloc): New function.
11691         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
11692         df_get_live_*.
11693         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
11694         * postreload.c (reload_combine): Ditto.
11695         * cse.c (cse_extended_basic_block): Ditto.
11696         * regmove.c (mark_flags_life_zones): Ditto.
11697         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
11698         erase_matching_seqs): Ditto.
11699         * bt-load.c (compute_defs_uses_and_gen): Ditto.
11700         * integrate (allocate_initial_values): Ditto.
11701         * combine.c (reg_dead_at_p): Ditto.
11702         * resource.c (mark_target_live_regs): Ditto.
11703         * sched-rgn.c (check_live_1, update_live_1): Ditto.
11704         * config/sh/sh.c (find_r0_life_regions): Ditto.
11705         * global.c (rest_of_handle_global_alloc): Only add back df_live
11706         for -O > 1.
11707         * local-alloc.c (rest_of_handle_local_alloc): Only remove
11708         df_live for -O > 1.
11709         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
11710         df_get_live_*.
11711         (if_convert): Make sure df_live is there at -O == 1.
11712         (pass_if_after_combine): Cleanup flags.
11713         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
11714         is there at -O == 1.
11715         
11716 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
11717
11718         * config/arm/arm.c (arm_get_frame_offsets): Set
11719         offsets->locals_base to avoid negative stack size.
11720         (thumb1_expand_prologue): Assert on negative stack size.
11721
11722 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
11723
11724         PR tree-optimization/32367
11725         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side 
11726         of the chrec has no evolution in that loop.
11727         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
11728
11729 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
11730
11731         * config/xtensa/xtensa.c: Include "df.h".
11732         (xtensa_builtin_saveregs): Use adjust_address instead of
11733         change_address.
11734         (xtensa_va_start): Invoke make_tree with sizetype for
11735         expand_builtin_saveregs and then convert the result to a pointer.
11736         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
11737         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
11738         Subtract argument size from index value as integers and then use
11739         POINTER_PLUS_EXPR to add the result to the array address.
11740         
11741 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11742
11743         PR target/32335
11744         * config/m32c/m32c.c: Include dataflow header file.
11745         (m32c_emit_prologue): Adjust for prologue insn change.
11746         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
11747         once inside a PARALLEL. Assume frame size passed in operand 0
11748         includes space to save the fb register.
11749         (prologue_enter_24): Likewise.
11750         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
11751
11752 2007-06-19  David Daney  <ddaney@avtrex.com
11753
11754         PR target/32313
11755         * config/mips/mips.md (cprestore): Mark $gp as used.
11756
11757 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11758
11759         PR target/32369
11760         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
11761         (frv_ifcvt_modify_insn): Likewise.
11762
11763 2007-06-19  Richard Guenther  <rguenther@suse.de>
11764
11765         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
11766         only handle positive offsets that fit in a HOST_WIDE_INT.
11767
11768 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
11769
11770         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
11771         result of rsqrt insn for zero input argument to avoid NaN.
11772
11773 2007-06-19  Richard Guenther  <rguenther@suse.de>
11774
11775         PR middle-end/31950
11776         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
11777
11778 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
11779
11780         PR tree-optimization/32353
11781         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
11782
11783 2007-06-19  Nick Clifton  <nickc@redhat.com>
11784
11785         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
11786
11787 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11788
11789         PR target/32389
11790         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
11791         * config/i386/i386.c (assign_386_stack_local): Assert that
11792         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
11793         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
11794         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
11795         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
11796
11797 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
11798
11799         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
11800
11801 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
11802
11803         PR rtl-optimization/32321
11804         * gcse.c (replace_store_insn): Update the note before
11805         calling emit_insn_after.
11806
11807 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
11808
11809         PR middle-end/32355
11810         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
11811         cse_main.
11812         * df-problems.c (df_note_bb_compute): Fix dumping info.
11813         
11814 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
11815
11816         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
11817         insn with emit_jump_insn.
11818
11819 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
11820
11821         PR tree-optimization/32383
11822         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
11823         * targhooks.h (default_builtin_reciprocal): Update prototype.
11824         * target.h (struct gcc_target): Update builtin_reciprocal.
11825         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
11826         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
11827         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
11828         when fndecl is in BUILT_IN_MD class.
11829         (execute_convert_to_rsqrt): Ditto.
11830
11831         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
11832         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
11833         Convert BUILT_IN_SQRTF code only  when md_fn is false.
11834
11835 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
11836
11837         * bt-load.c (move_btr_def): Fix the order of arguments
11838         to validate_replace_rtx.
11839
11840 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
11841
11842         * config/m68k/m68k-devices.def: Add 54450..54455.
11843
11844 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
11845
11846         PR rtl-optimization/32366
11847         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
11848         FLOAT_EXTEND]: Prevent non-scalar modes from entering
11849         significand_size.
11850
11851 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
11852
11853         PR middle-end/32349
11854         * modulo-sched (generate_reg_moves): Added rescan parameter and if
11855         this is true, rescan insn being modified.
11856         (sms_schedule): Added rescan parameter.
11857         (rest_of_handle_sms): Moved freeing of dominance info to before
11858         getting out of cfg_layout.
11859         
11860 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
11861
11862         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
11863         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
11864         appropriate.
11865
11866         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
11867         FL_CF_EMAC from the entry for isac.
11868
11869         * config/m68k/predicates.md (const_call_operand): Adjust comment.
11870         (const_sibcall_operand): New.
11871         (sibcall_operand): Use it.
11872         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
11873         (m68k_isas): ISAC does not imply FPU or EMAC.
11874         (override_options): Add ISA_C logic for symbolic jump & call.
11875
11876 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
11877
11878         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
11879         return mode from the builtin itself.
11880         (sparc_fold_builtin): Fix cast of zero constant.
11881
11882 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11883
11884         * targhooks.c (default_builtin_reciprocal): New default target hook.
11885         * targhooks.h (default_builtin_reciprocal): Add prototype.
11886         * hooks.c (hook_tree_tree_bool_null): Remove hook.
11887         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
11888         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
11889         default_builtin_reciprocal.
11890
11891 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
11892
11893         PR middle-end/31723
11894         * hooks.c (hook_tree_tree_bool_null): New hook.
11895         * hooks.h (hook_tree_tree_bool_null): Add prototype.
11896         * tree-pass.h (pass_convert_to_rsqrt): Declare.
11897         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
11898         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
11899         and convert it to reciprocal a*rfunc(b).
11900         (execute_convert_to_rsqrt): New function.
11901         (gate_convert_to_rsqrt): New function.
11902         (pass_convert_to_rsqrt): New pass definition.
11903         * target.h (struct gcc_target): Add builtin_reciprocal.
11904         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
11905         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
11906         TARGET_BUILTIN_RECIPROCAL.
11907         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
11908
11909         * config/i386/i386.h (TARGET_RECIP): New define.
11910         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
11911         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11912         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11913         and not optimizing for size.
11914         (*rcpsf2_sse): New insn pattern.
11915         (*rsqrtsf2_sse): Ditto.
11916         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11917         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11918         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11919         and not optimizing for size.
11920         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
11921         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11922         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11923         and not optimizing for size.
11924         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
11925         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11926         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11927         and not optimizing for size.
11928         (*sse_rsqrtv4sf2): Do not export.
11929         (sqrtv4sf2): Ditto.
11930         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
11931         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
11932         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
11933         and not optimizing for size.
11934         (sqrtv4sf2): Ditto.
11935         * config/i386/i386.opt (mrecip): New option.
11936         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
11937         (ix86_emit_swsqrtsf): Ditto.
11938         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
11939         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
11940         builtin definition.
11941         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
11942         ix86_expand_unop1_builtin.
11943         (ix86_emit_swdivsf): New function.
11944         (ix86_emit_swsqrtsf): Ditto.
11945         (ix86_builtin_reciprocal): New function.
11946         (TARGET_BUILTIN_RECIPROCAL): Use it.
11947         (ix86_vectorize_builtin_conversion): Rename from
11948         ix86_builtin_conversion.
11949         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
11950         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
11951         "i386 and x86_64 Options" section.
11952         (Intel 386 and AMD x86_64 Options): Document -mrecip.
11953
11954 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
11955             Zdenek Dvorak <dvorakz@suse.cz>
11956             Richard Guenther  <rguenther@suse.de>
11957             Kaz Kojima  <kkojima@gcc.gnu.org>
11958
11959         * tree-vrp.c (compare_values_warnv): Convert val2 to
11960         the type of val1.
11961         (extract_range_from_assert): Create
11962         POINTER_PLUS_EXPR for pointer types.
11963         (extract_range_from_binary_expr): Handle
11964         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
11965         for pointer types.
11966         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
11967         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
11968         POINTER_PLUS_EXPR as PLUS_EXPR.
11969         (number_of_iterations_lt_to_ne):
11970         For pointer types, use sizetype when
11971         creating MINUS_EXPR/PLUS_EXPRs.
11972         (assert_loop_rolls_lt): For pointer types, use sizetype when
11973         creating MINUS_EXPR/PLUS_EXPRs.
11974         (number_of_iterations_le): Likewise.
11975         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
11976         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
11977         like PLUS_EXPR and MINUS_EXPR.
11978         * tree-pretty-print.c (dump_generic_node): Handle
11979         POINTER_PLUS_EXPR.
11980         (op_prio): Likewise.
11981         (op_symbol_1): Likewise.
11982         * optabs.c (optab_for_tree_code): Likewise.
11983         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
11984         specially.
11985         * tree-tailcall.c (process_assignment): Mention
11986         POINTER_PLUS_EXPR in a TODO comment.
11987         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or 
11988         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
11989         not used with a pointer and an integer type.
11990         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
11991         increment using chrec_convert_rhs instead of chrec_convert.
11992         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
11993         PLUS_EXPR except for the right hand side's type will be
11994         sizetype.
11995         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
11996         (fold_used_pointer_cast): Kill.
11997         (pointer_offset_p): Kill.
11998         (fold_used_pointer): Kill.
11999         (pointer_used_p): Kill.
12000         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12001         call fold_used_pointer.
12002         (instantiate_parameters_1): Convert the increment
12003         using chrec_convert_rhs instead of chrec_convert.
12004         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12005         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12006         instead of PLUS_EXPR.
12007         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12008         PLUS_EXPR for pointers.
12009         (std_gimplify_va_arg_expr): Likewise.
12010         (fold_builtin_memory_op): Likewise.
12011         (fold_builtin_strstr): Likewise.
12012         (fold_builtin_strchr): Likewise.
12013         (fold_builtin_strrchr): Likewise.
12014         (fold_builtin_strpbrk): Likewise.
12015         (expand_builtin_memory_chk): Likewise.
12016         (fold_builtin_memory_chk): Likewise.
12017         (std_expand_builtin_va_start): Use
12018         sizetype for the call to make_tree and then convert
12019         to the pointer type.
12020         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12021         instead of PLUS_EXPR for adding to a pointer.
12022         (std_gimplify_va_arg_expr): Use fold_build2 for
12023         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12024         the operands to sizetype first and then cast the BIT_AND_EXPR
12025         back to the pointer type.
12026         * fold-const.c (build_range_check): Handle pointer types
12027         specially.
12028         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12029         of PLUS_EXPR's. Make sure the offset is converted to
12030         sizetype.
12031         (try_move_mult_to_index): Strip the NOPs from the offset.
12032         Remove code argument and replace all uses with PLUS_EXPR.
12033         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12034         specially. Don't use a pointer type for MINUS_EXPR.
12035         (fold_unary): Handle for (T1)(X op Y),
12036         only p+ as that is the only as that can be handled for
12037         binary operators now.
12038         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12039         POINTER_PLUS_EXPR.
12040         <case PLUS_EXPR>: Add folding of PTR+INT into
12041         PTR p+ INT.
12042         Don't call try_move_mult_to_index.
12043         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12044         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12045         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12046         Don't call try_move_mult_to_index.
12047         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12048         (tree_expr_nonzero_p): Likewise.
12049         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12050         of PLUS_EXPR for the complex expression folding.
12051         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12052         first chrec is a pointer type, then the second should
12053         be sizetype and not the first's type.
12054         For POINTER_PLUS_EXPR, use a different right hand side type.
12055         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12056         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12057         different right hand side type.
12058         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12059         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12060         instead of PLUS_EXPR.
12061         When either operand is zero, convert the other operand.
12062         (chrec_apply): Use chrec_convert_rhs
12063         on the argument x instead of chrec_convert.
12064         (reset_evolution_in_loop): For pointer types, the new_evol
12065         should be sizetype.
12066         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12067         different right hand side type.
12068         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12069         (chrec_convert_rhs): New function.
12070         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12071         different right hand side type.
12072         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12073         * tree-chrec.h (chrec_convert_rhs): New prototype.
12074         (build_polynomial_chrec): For pointer types, the right hand
12075         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12076         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12077         Remove subtraction case as it is always addition now.
12078         Make sure the offset is converted to sizetype.
12079         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12080         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12081         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for 
12082         PLUS_EXPR in pointer type.
12083         Handle POINTER_PLUS_EXPR.
12084         (tree_to_aff_combination): Likewise.
12085         (force_expr_to_var_cost): Likewise.
12086         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12087         instead of PLUS_EXPR for pointers.
12088         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12089         instead of PLUS_EXPR of pointer types.
12090         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12091         as PLUS_EXPR.
12092         (check_va_list_escapes): Likewise.
12093         (check_all_va_list_escapes): Likewise.
12094         * dwarf2out.c (loc_descriptor_from_tree_1):
12095         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12096         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12097         (string_constant): Likewise.
12098         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12099         the offset to the base, use POINTER_PLUS_EXPR.
12100         (add_to_parts): Convert the index to sizetype.
12101         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12102         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12103         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12104         Offset only holds something for PLUS_EXPR.
12105         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12106         a PLUS_EXPR.
12107         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12108         and not PLUS_EXPR.
12109         (analyze_accesses_for_modify_stmt): Likewise.
12110         Remove comment about the type being integral type as it is
12111         wrong now.
12112         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12113         PLUS_EXPR.
12114         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12115         and not PLUS_EXPR.
12116         Correct the type which the artimentic is done in (is now
12117         sizetype).
12118         Reindent one loop.
12119         * tree-data-ref.c (split_constant_offset): Handle
12120         POINTER_PLUS_EXPR
12121         * tree-affine.c (tree_to_aff_combination): Likewise.
12122         * c-typeck.c (build_unary_op): For pointers create the increment
12123         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12124         for pointers.
12125         * gimplify.c (gimplify_self_mod_expr): Create a
12126         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12127         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12128         * tree.def (POINTER_PLUS_EXPR): New tree code.
12129         * tree-predcom.c (ref_at_iteration): If we have a pointer
12130         type do the multiplication in sizetype.
12131         * tree-mudflap.c (mf_xform_derefs_1): Create a
12132         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12133         * tree-ssa-forwprop.c 
12134         (forward_propagate_addr_into_variable_array_index):
12135         Don't expect there to be a cast for the index as that
12136         does not exist anymore.
12137         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12138         instead of PLUS_EXPR.
12139         Don't check for the first operand of the POINTER_PLUS_EXPR
12140         was the index as it cannot be.
12141         Call forward_propagate_addr_into_variable_array_index with
12142         the SSA_NAME instead of the statement.
12143         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12144         (compare_constant): Likewise.
12145         (copy_constant): Likewise.
12146         (compute_reloc_for_constant): Likewise.
12147         (output_addressed_constants): Likewise.
12148         (initializer_constant_valid_p): Likewise.
12149         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12150         Convert the MIN/MAX of the inner type to the outer
12151         type before comparing them.
12152         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12153         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12154         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12155         of PLUS_EXPR for pointers.
12156         * tree-inline.c (estimate_num_insns_1): Handle
12157         POINTER_PLUS_EXPR.
12158         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): 
12159         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12160         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12161         instead of PLUS_EXPR for the pointer increment statement.
12162         (vect_update_ivs_after_vectorizer): For pointer types, create
12163         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12164         MULT_EXPR in sizetype.
12165         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12166         byte_misalign.
12167         * tree-object-size.c (plus_expr_object_size): Handle
12168         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12169         code which is trying to figure out which side is a pointer and 
12170         is the index.
12171         (check_for_plus_in_loops_1): Likewise.
12172         (check_for_plus_in_loops): Likewise.
12173         * c-common.c (pointer_int_sum): Create a
12174         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12175         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12176         only POINTER_PLUS_EXPR.  Removing all the extra
12177         code which is trying to figure out which side is a pointer and 
12178         is the index.
12179         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12180         PLUS_EXPR and MINUS_EXPR.
12181         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12182         are correct.
12183         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12184         with make_tree, instead of a pointer type.
12185         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12186         for pointers instead of PLUS_EXPR.
12187         (s390_gimplify_va_arg): Likewise.
12188         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12189         instead of PLUS_EXPR when doing addition on pointer
12190         types.  Use sizetype for the second operand.
12191         (spu_gimplify_va_arg_expr): Likewise.
12192         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use 
12193         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12194         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12195         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12196         for the pointer addition and also use size_int/sizetype
12197         for the offset.
12198         (ix86_gimplify_va_arg): Likewise.
12199         Perform BIT_AND_EXPR on sizetype arguments.
12200         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12201         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12202         for the pointer additions and also use size_int for the offsets.
12203         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12204         additions and also use size_int for the offsets.  Perform
12205         BIT_AND_EXPR on sizetype arguments.
12206         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12207         POINTER_PLUS_EXPR for pointers and create the
12208         BIT_AND_EXPR in sizetype.
12209         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12210         instead of PLUS_EXPR for pointer addition.
12211         (rs6000_va_start): Likewise.
12212         Also use sizetype for the offset.
12213         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12214         as PLUS_EXPR/MINUS_EXPR.
12215         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12216         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12217         Don't use BIT_AND_EXPR on a pointer type, convert the
12218         expression to sizetype first.
12219         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12220         for pointers.
12221         (mips_gimplify_va_arg_expr): Likewise.
12222         Don't create BIT_AND_EXPR in a pointer type.
12223
12224 2007-06-15  Eric Christopher  <echristo@apple.com>
12225
12226         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12227         (x86_64-*-darwin*): Ditto.
12228         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12229         for above.
12230
12231 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12232
12233         * doc/extend.texi: Document behavior of __attribute__((aligned))
12234         on typedefs.
12235
12236 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12237
12238         * rtlanal.c (note_stores): Improve documentation.
12239
12240 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12241
12242         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12243         LOCAL_LABEL_PREFIX): Delete.
12244         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12245         (bfin_internal_label): Delete.
12246
12247 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12248
12249         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12250         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12251         otherwise define to LIBGCC2_TF_CEXT.
12252         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12253         (LIBGCC_TF_CEXT): Ditto.
12254         (TF_SIZE): Ditto.
12255
12256 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12257
12258         PR rtl-optimization/32339
12259         * df-scan.c (df_uses_record): Don't modify flags but just add to
12260         it for df_ref_record.
12261
12262 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12263
12264         * tree-mudflap.c: Fix whitespace issues.
12265
12266 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12267
12268         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12269
12270 2007-06-14  Eric Christopher  <echristo@apple.com>
12271
12272         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12273         (movv4sf): Use gcc_unreachable instead of abort.
12274
12275 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12276
12277         PR target/32268
12278         * config/i386/sfp-machine.h (CMPtype): New define.
12279         (mach stubs): Use CMPtype instead of int as a return type.
12280
12281 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12282
12283         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12284         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12285         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12286         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12287         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12288         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12289         config/soft-fp/soft-fp.h: Update from glibc CVS.
12290
12291 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12292
12293         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12294
12295 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12296
12297         PR target/32341
12298         * config/v850/v850.c: Include dataflow header file.
12299         (substitute_ep_register): Fix typo.
12300
12301 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12302
12303         * configure.ac: Fix earlier checkin.
12304         * configure: Regenerated.
12305
12306 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12307
12308         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12309         * aclocal.m4: Regenerate.
12310         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12311         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12312         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12313         * configure: Regenerate.
12314         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12315
12316         * Makefile.in (quickstrap): Build libgcc too.
12317
12318 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12319
12320         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12321         the variables are initialized as for "release".
12322         * df-core.c: Use it.
12323         * configure: Regenerate.
12324         * config.in: Regenerate.
12325
12326 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12327
12328         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12329         validate_replace_rtx instead of replace_rtx.
12330         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12331
12332 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12333
12334         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12335         (DWARF2_UNWIND_INFO): Override default if configured with
12336         SJLJ EH disabled.
12337         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12338         (ENDFILE_SPEC): Add crtend.o.
12339         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12340         (ENDFILE_SPEC): Add crtend.o.
12341         (TARGET_USE_JCR_SECTION): Define.
12342         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12343
12344         * config/i386/cygming-crtbegin.c: New file.
12345         * config/i386/cygming-crtend.c: New file.
12346
12347 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12348
12349         * config/i386/w32-unwind.h: New file.
12350
12351 2007-06-13  Eric Christopher  <echristo@apple.com>
12352
12353         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12354         the user set a value below STACK_BOUNDARY.
12355
12356 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12357
12358         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12359         imply -lpthread for -pthread.
12360
12361 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12362
12363         * basic-block.h: Remove the prototype for
12364         free_basic_block_vars.
12365         * cfglayout.h: Remove the prototype for
12366         insn_locators_initialize.
12367         * tree.h: Remove the prototype for emit_line_note.
12368
12369         * tree-ssa-pre.c (mergephitemp): Remove.
12370         (init_pre): Don't use mergephitemp.
12371
12372 2007-06-13  Eric Christopher  <echristo@apple.com>
12373
12374         * config/i386/i386.c (override_options): If we've specified
12375         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12376
12377 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12378
12379         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12380         is defined.
12381
12382 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12383
12384         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12385         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12386         (eh_store_handler): New pattern.
12387         (eh_return): Emit it instead of a plain move.
12388
12389 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12390
12391         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12392         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12393         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12394         def_builtin_const.
12395
12396 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12397
12398         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12399         (find_next_insn_start, find_load): New functions.
12400         (bfin_reorg): Use them to deal with the fact that parallel insns are
12401         no longer represented as a SEQUENCE.
12402
12403 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12404
12405         * config/sparc/sparc.c (sparc_override_options): Initialize
12406         fpu mask correctly.
12407
12408 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12409
12410         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12411         df_get_live_out.
12412
12413 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12414
12415         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12416         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12417         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12418         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12419         tree-vect-transform.c: Fix comment typos.  Follow spelling
12420         conventions.
12421
12422 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12423
12424        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12425        to the exit block use set.
12426        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring". 
12427        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12428        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12429
12430 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12431
12432         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12433         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12434         to indicate an error.
12435         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12436         New functions.
12437         (dbg_cnt_process_opt): Print an error on a bad argument.
12438         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12439         * common.opt (-fdbg-cnt-list): New.
12440         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12441
12442 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12443
12444         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12445         flag on ref-all pointers.
12446
12447 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12448
12449         PR middle-end/31579
12450         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12451         for the offset with the modifier as EXPAND_INITIALIZER
12452         if the modifier is EXPAND_INITIALIZER.
12453         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12454         a register if we had an overflow.
12455
12456 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12457
12458         * real.c (real_isfinite): New.
12459         (real_sqrt): Use it.
12460         * real.h (real_isfinite): New.
12461         * builtins.c: Use it.
12462
12463 2007-06-12  Ian Lance Taylor  <iant@google.com>
12464             Daniel Berlin  <dberlin@dberlin.org>
12465
12466         PR libstdc++/29286
12467         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12468         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12469         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12470         (DECL_NO_TBAA_P): Define.
12471         (struct tree_decl_common): Add no_tbaa_flag field.
12472         * tree-ssa-structalias.c (struct variable_info): Add
12473         no_tbaa_pruning field.
12474         (new_var_info): Initialize no_tbaa_pruning field.
12475         (unify_nodes): Copy no_tbaa_pruning field.
12476         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12477         (dump_solution_for_var): Print no_tbaa_pruning flag.
12478         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12479         callers.
12480         (compute_tbaa_pruning): New static function.
12481         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12482         Call compute_tbaa_pruning.
12483         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12484         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12485         * gimple-low.c (lower_stmt): Likewise.
12486         * tree-gimple.c (is_gimple_stmt): Likewise.
12487         * tree-ssa-operands.c (get_expr_operands): Likewise.
12488         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12489         * tree-inline.c (estimate_num_insns_1): Likewise.
12490         (copy_result_decl_to_var): Likewise.
12491         * expr.c (expand_expr_real_1): Likewise.
12492         * tree-pretty-print.c (dump_generic_node): Likewise.
12493         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12494         * omp-low.c (omp_copy_decl_2): Likewise.
12495         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12496         * doc/c-tree.texi (Expression trees): Document
12497         CHANGE_DYNAMIC_TYPE_EXPR.
12498
12499 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12500
12501         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12502         with !HONOR_NANS and !HONOR_INFINITIES.
12503         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12504
12505 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12506
12507         * gcov.c: Comments updated.
12508         (source_info): Add file_time field.
12509         (source_index): New variable.
12510         (mutiple_files): New variable.
12511         (generate_results): New function extracted from process_file.
12512         (process_file): Save and restore chain of functions, generate
12513         results and free structures only if not merging results.
12514         (release_structures): File names are now freed in create_file_names
12515         (create_file_names): Free previous file names.
12516         (find_source): File date is now read here and modifications in
12517         source files is checked here.
12518         (read_graph_file): Only reverse order of functions for the current
12519         object file.
12520         (make_gcov_file_name): Do not generate long names if input_name is
12521         NULL.
12522         (output_lines): If merging results do not display graph, data and
12523         runs informations.
12524         Checking source file modification is done in find_source.
12525
12526         * doc/gcov.texi: Append an s to sourcefile.
12527
12528 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12529
12530         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12531         (forced_nop): New pattern.
12532         * config/bfin/bfin.c: Include "df.h".
12533         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12534         (bfin_discover_loop): Use df_get_live_in instead of
12535         global_live_at_start.
12536         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12537         df_analyze when done.
12538         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12539         the insns.  Use QImode for the final insn in a bundle.  Call
12540         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12541         gen_nop.
12542         (reorder_var_tracking_notes): New function.
12543         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12544         update_life_info.  Call df_analyze after scheduling and bundle
12545         generation.  Call reorder_var_tracking_notes if generating these
12546         notes.  Call df_finish_pass at the end.
12547
12548 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12549
12550         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12551         a comparison, not an assignment.
12552
12553 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12554
12555         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12556         Request walking the subtrees only, leaving the current is_lhs/val_only
12557         untouched.
12558         (convert_non_local_reference): Likewise.
12559
12560 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12561
12562         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12563
12564 2007-06-12  Richard Guenther  <rguenther@suse.de>
12565
12566         PR tree-optimization/15353
12567         PR tree-optimization/31657
12568         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12569         * timevar.def: Add TV_TREE_IFCOMBINE.
12570         * tree-pass.h (pass_tree_ifcombine): Declare.
12571         * tree-ssa-ifcombine.c: New file.
12572         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12573         * tree-flow.h (blocks_in_phiopt_order): Declare.
12574         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12575         (tree-ssa-ifcombine.o): New dependencies.
12576
12577 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12578
12579         PR rtl-optimization/32293
12580         * combine.c (simplify_if_then_else): Truncate return from
12581         nonzero_bits() to correct mode.
12582
12583 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12584
12585         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12586         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12587
12588 2007-06-11  Diego Novillo  <dnovillo@google.com>
12589
12590         * Makefile.in (reload1.o-warn): Remove.
12591
12592 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12593
12594         * combine.c (subst): Use reg_overlap_mentioned_p
12595         instead of comparing register numbers directly.
12596
12597 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12598
12599         * reload1.c (mark_home_live_1): Use the mode parameter.
12600
12601 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12602
12603         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12604         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12605         word "deferred".
12606         * df-core.c: Ditto.
12607
12608 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12609
12610         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12611
12612 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12613
12614         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12615         from integer registers.
12616         (FP mode splitters): Handle TFmode.
12617
12618 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12619
12620         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12621         for ref-all pointers that point-to anything.
12622
12623 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12624
12625         * config/arm/arm.c (arm_output_dwarf_dtprel,
12626         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12627
12628 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12629
12630         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12631         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12632         to memory moves.
12633
12634 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12635
12636         * tree.c (signed_or_unsigned_type_for): New.
12637         (unsigned_type_for): Use signed_or_unsigned_type_for.
12638         (signed_type_for): Use signed_or_unsigned_type_for.
12639         * tree.h (signed_or_unsigned_type_for): New.
12640         (get_signed_or_unsigned_type): Remove.
12641         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12642         lang_hooks.types.signed_type
12643         (size_diffop): Likewise.
12644         (all_ones_mask_p): Likewise.
12645         (build_range_check): Likewise.
12646         (fold_cond_expr_with_comparison): Likewise.
12647         (fold_cond_expr_with_comparison): Likewise.
12648         (unextend): Likewise.
12649         (extract_muldiv_1): Likewise.
12650         (fold_single_bit_test_into_sign_test): Likewise.
12651         (fold_binary): Likewise.
12652         (fold_ternary): Likewise.
12653         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12654         instead of get_signed_or_unsigned_type.
12655         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12656         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12657         * expr.c (signed_or_unsigned_type_for): Use
12658         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12659         * langhooks.c (get_signed_or_unsigned_type): Remove.
12660         (lhd_signed_or_unsigned_type): Remove.
12661         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12662         signed_or_unsigned_type.
12663         (lhd_signed_or_unsigned_type): Remove.
12664         * expmed.c (make_tree): Use signed_type_for instead of
12665         lang_hooks.types.signed_type.
12666         * c-common.c (same_scalar_type_ignoring_signedness): Use
12667         c_common_signed_type instead of lang_hooks.types.signed_type.
12668         (c_common_unsigned_type): New.
12669         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12670         (shorten_compare): Use c_common_unsigned_type instead of
12671         c_common_signed_or_unsigned_type.
12672         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12673         unsigned_type_for.
12674         * convert.c (convert_to_integer): Use signed_type_for instead of
12675         lang_hooks.types.signed_type.
12676         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12677         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12678         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12679         * c-format.c (check_format_types): Use c_common_unsigned_type
12680         instead of unsigned_type_for.
12681         * c-decl.c (groakdeclarator): Likewise.
12682         * c-typeck.c (convert_for_assignment): Likewise.
12683         * c-common.h (c_common_unsigned_type): New.
12684
12685 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12686
12687         PR target/32280
12688         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
12689         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
12690
12691 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12692
12693         PR middle-end/32279
12694         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
12695         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
12696
12697 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
12698             Sebastian Pop  <sebpop@gmail.com>
12699
12700         * lambda-code.c (remove_iv): New.
12701         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
12702
12703 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
12704
12705         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
12706         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
12707         * tree-ssa-loop-prefetch.c: Include optabs.h.
12708         (FENCE_FOLLOWING_MOVNT): New macro.
12709         (struct mem_ref): Add independent_p and storent_p fields.
12710         (record_ref): Initalize the new fields.
12711         (gather_memory_references_ref): Return true if the reference
12712         could be analysed.
12713         (gather_memory_references): Check whether all memory accesses
12714         in loop were recorded.
12715         (should_issue_prefetch_p): Return false for nontemporal stores.
12716         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
12717         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
12718         (determine_loop_nest_reuse): Detect independent memory references.
12719         (loop_prefetch_arrays): Call mark_nontemporal_stores.
12720         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
12721         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
12722         * config/i386/i386.h (x86_mfence): Declare.
12723         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
12724         * config/i386/i386.c (x86_mfence): New variable.
12725         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
12726
12727         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
12728         * optabs.c (init_optabs): Initialize storent_optab.
12729         * optabs.h (enum optab_index): Add OTI_storent.
12730         (storent_optab): Declare.
12731         * genopinit.c (optabs): Add initialization for storent_optab.
12732         * tree.h (MOVE_NONTEMPORAL): New macro.
12733         * expr.c (expand_assignment, store_expr, store_constructor_field,
12734         store_constructor, store_field, expand_expr_real_1): Propagate
12735         nontemporality of the expanded store.
12736         (emit_storent_insn): New function.
12737         * expr.h (expand_assignment, store_expr): Declaration changed.
12738         * function.c (assign_parm_setup_reg): Pass false as nontemporality
12739         to expand_assignment.
12740         * stmt.c (expand_asm_expr): Ditto.
12741         * calls.c (initialize_argument_information): Pass false as
12742         nontemporality to store_expr.
12743         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
12744         storentsi): New.
12745
12746 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12747
12748         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
12749         parameter, use it.
12750         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
12751
12752 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
12753
12754         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
12755         and allow DECL_P here.
12756
12757 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
12758
12759         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
12760         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
12761         track of the size of the expression.
12762         * cfghooks.c (merge_blocks): Remove block from loops structure only
12763         after call of the merge_blocks hook.
12764
12765 2007-06-09  Tom Tromey  <tromey@redhat.com>
12766
12767         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
12768         (deprecated_state): Removed.
12769         (start_decl): Update.
12770         (enum deprecated_states): Moved earlier.
12771         (groktypename): Update.
12772         (push_parm_decl): Likewise.
12773         (grokfield): Likewise.
12774         (start_function): Likewise.
12775
12776 2007-06-09  Ian Lance Taylor  <iant@google.com>
12777
12778         PR tree-optimization/32169
12779         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
12780         CONVERT_EXPR, check whether min and max both converted to an
12781         overflow infinity representation.
12782
12783 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
12784
12785         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
12786         not inserted on the edge.
12787
12788 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
12789
12790         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
12791         instructions if they are supported.
12792         (__divsi3, __umodsi3, __modsi3): Likewise.
12793         (__ashldi3, __ashrdi3, __lshrdi3): New.
12794         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
12795
12796 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
12797             Tony Linthicum <tony.linthicum@amd.com>
12798
12799         * doc/invoke.texi: Add fvect-cost-model flag.
12800         * common.opt (fvect-cost-model): New flag.
12801         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
12802         cost fields in stmt_vec_info struct for STMT.
12803         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
12804         fields in stmt_vec_info struct and access functions for the same.
12805         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
12806         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
12807         load, store and vector to scalar operation.
12808         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
12809         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
12810         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
12811         (TARG_VEC_STORE_COST): Define cost of vector store.
12812         (vect_estimate_min_profitable_iters): Define new function.
12813         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
12814         check to evaluate if loop iterations are less than minimum profitable
12815         iterations determined by cost model or minimum vect loop bound defined
12816         by user, whichever is more conservative.
12817         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
12818         run-time check to evaluate if loop iterations are less than minimum
12819         profitable iterations determined by cost model or minimum vect loop
12820         bound defined by user, whichever is more conservative.
12821         (vect_estimate_min_profitable_iterations): New function to estimate
12822         mimimimum iterartions required for vector version of loop to be
12823         profitable over scalar version.
12824         (vect_model_reduction_cost): New function.
12825         (vect_model_induction_cost): New function.
12826         (vect_model_simple_cost): New function.
12827         (vect_cost_strided_group_size): New function.
12828         (vect_model_store_cost): New function.
12829         (vect_model_load_cost): New function.
12830         (vectorizable_reduction): Call vect_model_reduction_cost during
12831         analysis phase.
12832         (vectorizable_induction): Call vect_model_induction_cost during
12833         analysis phase.
12834         (vectorizable_load): Call vect_model_load_cost during analysis phase.
12835         (vectorizable_store): Call vect_model_store_cost during analysis phase.
12836         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
12837         vectorizable_promotion, vectorizable_demotion): Call
12838         vect_model_simple_cost during analysis phase.
12839
12840 2007-06-08  Simon Baldwin  <simonb@google.com>
12841
12842         * reg-stack.c (get_true_reg): Readability change.  Moved default case
12843         label into direct switch statement scope.
12844
12845 2007-06-08  Simon Baldwin  <simonb@google.com>
12846
12847         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
12848         in gcc_assert() with '==' comparison.
12849
12850 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12851
12852         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
12853         TARGET_ABM handling of x86_popcnt variable.
12854
12855 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12856
12857         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
12858         __builtin_copysignq and __builtin_infq built-in functions.
12859
12860 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12861
12862         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
12863         SSE4.2 section.  Correct built-in function names in SSE4A section.
12864
12865 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
12866
12867         PR tree-optimization/32243
12868         * tree-vect-transform.c (vectorizable_type_promotion): Move check
12869         for ncopies after ratio check between nunits_out and nunits_in.
12870         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
12871
12872 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
12873
12874         PR tree-optimization/32224
12875         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
12876         vectorization upon a non GIMPLE_MODIFY_STMT.
12877
12878 2007-06-08  Christian Bruel  <christian.bruel@st.com>
12879
12880         PR target/29953
12881         * config/sh/sh.md (doloop_end): New pattern and splitter.
12882         * loop-iv.c (simple_rhs_p): Check for hardware registers.
12883
12884 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
12885
12886         PR middle-end/32209
12887         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
12888         functions.
12889         (verify_dominators): Do not change dominance tree.
12890
12891 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
12892
12893         * config/sh/constraints.md: New file.
12894         * config/sh/sh.c: Include tm-constrs.h.
12895         (reg_class_from_letter): Remove.
12896         (prepare_cbranch_operands): Use satisfies_constraint_*
12897         function instead of macro.
12898         (andcosts, broken_move, sh_secondary_reload): Likewise.
12899         * config/sh/predicates.md (trapping_target_operand): Likewise.
12900         (and_operand, arith_operand, arith_reg_or_0_operand,
12901         cmp_operand, logical_operand, target_operand,
12902         ua_address_operand, ua_offset, xor_operand): Likewise.
12903         * config/sh/sh.md: Include constraints.md.
12904         (*movsicc_t_false): Use satisfies_constraint_* function
12905         instead of macro.
12906         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
12907         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
12908         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
12909         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
12910         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
12911         (REG_CLASS_FROM_CONSTRAINT): Remove.
12912         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
12913         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
12914         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
12915         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
12916         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
12917         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
12918         function instead of macro.
12919         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
12920         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
12921         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
12922         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
12923         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
12924         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
12925         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
12926         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
12927         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
12928         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
12929         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
12930         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
12931         EXTRA_CONSTRAINT_STR): Likewise.
12932         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
12933
12934 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12935
12936         * config/i386/darwin.h (STACK_BOUNDARY): Define.
12937
12938 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
12939
12940         PR c++/30759
12941         * c-common.h (flag_cpp0x): Replaced by...
12942         (cxx_dialect): ... this new variable specifying the C++ dialect that
12943         is used.
12944         * c-common.c (flag_cpp0x): Removed.
12945         (cxx_dialect): Defined.
12946         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
12947         cxx_dialect.
12948         * c-opts.c (c_common_post_options): Likewise.
12949         (set_std_cxx98): Set cxx_dialect to cxx98.
12950         (set_std_cxx0x): Set cxx_dialect to cxx0x.
12951
12952 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
12953             Hui-May Chang <hm.chang@apple.com>
12954
12955         * doc/invoke.texi (Darwin Options): Update documentation for
12956         -mmacosx-version-min.
12957         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
12958         * config/darwin-driver.c: New file.
12959         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
12960         * config/t-darwin (darwin-driver.o): New rule.
12961
12962         * config/darwin-c.c (version_as_macro): Ignore low digit.
12963
12964 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
12965
12966         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
12967         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
12968         (CSGNMODE): New mode macro.
12969         (CSGNVMODE): New mode attribute.
12970         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
12971         expander using CSGNMODE mode macro.  Handle TFmode.
12972         (copysign<mode>3_const): Rename from copysignsf3_const and
12973         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
12974         Handle TFmode.
12975         (copysign<mode>3_var): Rename from copysignsf3_var and
12976         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
12977         Handle TFmode.
12978         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
12979         mode macro.  Handle TFmode.
12980         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
12981         (iortf3, *iortf3): Ditto.
12982         (xortf3, *xortf3): Ditto.
12983         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
12984         TFmode and TImode masks.
12985         (ix86_expand_copysign): Expand TFmode copysign insn.
12986         (IX86_BUILTIN_INFQ): New.
12987         (IX86_BUILTIN_FABSQ): Ditto.
12988         (IX86_BUILTIN_COPYSIGNQ): Ditto.
12989         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
12990         [__builtin_fabsq]: Ditto.
12991         [__builtin_copysignq]: Ditto.
12992         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
12993         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
12994         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
12995         ix86_expand_binop_builtin().
12996
12997 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
12998
12999         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13000
13001 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13002
13003         PR target/31850
13004         * rtl.h (push_to_sequence2): New.
13005         * emit-rtl.c (push_to_sequence2): New.
13006         * function.c (assign_parm_data_all): Add new fields.
13007         (assign_parm_setup_block): Call push_to_sequence2 instead of
13008         push_to_sequence.
13009         (assign_parm_setup_reg): Ditto.
13010         (assign_parm_setup_stack): Ditto.
13011         (assign_parms_unsplit_complex): Ditto.
13012         (assign_parms): Change field name.
13013
13014 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13015
13016         PR tree-optimization/32220
13017         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13018         phi node is reached before defining statement.
13019
13020 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13021
13022         PR tree-opt/32231
13023         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13024         after changing the right hand side of the assignment.
13025
13026 2007-06-06  Eric Christopher  <echristo@apple.com>
13027
13028         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13029         (x86_64-*-darwin*): Ditto.
13030         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13031         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13032
13033 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13034
13035         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13036         coding conventions.
13037         (add_key): Likewise.
13038         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13039         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13040         variable names.
13041         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13042         macros.
13043         (add_cost_one_coalesce): Likewise.
13044         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13045         variable names. Rename orig to orig_name for consistency.
13046         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13047         coding conventions.
13048         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13049         names.
13050         (record_equivalences_from_stmt): Likewise.
13051         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13052         the coding conventions.
13053         (memory_ssa_name_same): Likewise.
13054         (dse_optimize_stmt): Likewise.
13055         (dse_record_phis): Likewise.
13056         (dse_finalize_block): Likewise.
13057         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13058         keywords as variable names.
13059         (may_move_till): Cast according to the coding conventions.
13060         (force_move_till_expr): Avoid using C++ keywords as variable names.
13061         (force_move_till): Cast according to the coding conventions.
13062         (memref_hash): Likewise.
13063         (memref_eq): Likewise.
13064         (gather_mem_refs_stmt): Likewise.
13065         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13066         using C++ keywords as variable names.
13067         (idx_find_step): Cast according to the coding conventions.
13068         (idx_record_use): Likewise.
13069         (find_depends): Likewise.
13070         (prepare_decl_rtl): Likewise.
13071         (mbc_entry_hash): Likewise.
13072         (mbc_entry_eq): Likewise.
13073         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13074         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13075         (idx_infer_loop_bounds): Cast according to the coding conventions.
13076         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13077         * tree-ssa-math-opts.c (occ_new ): Likwise.
13078         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13079         macros.
13080         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13081         variable names.
13082         (add_use_op): Likewise.
13083         (add_vop): Likewise.
13084         (add_vuse_op): Likewise.
13085         (add_vdef_op): Likewise.
13086         (get_expr_operands): Likewise.
13087         (push_stmt_changes): Use type safe memory macros.
13088         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13089         keywords as variable names.
13090         (conditional_replacement): Likewise.
13091         (minmax_replacement): Likewise.
13092         (abs_replacement): Likewise.
13093         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13094         coding conventions.
13095         (insert_fake_stores): Avoid using C++ keywords as variable names.
13096         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13097         conventions.
13098         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13099         (heapvar_insert): Use type safe memory macros.
13100         (new_var_info): Cast according to the coding conventions.
13101         (new_constraint): Likewise.
13102         (remove_preds_and_fake_succs): Use type safe memory macros.
13103         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13104         conventions.
13105         (thread_single_edge): Likewise.
13106         (thread_through_loop_header): Likewise.
13107
13108 2007-06-06  Eric Christopher  <echristo@apple.com>
13109
13110         * config/i386/i386.c (override_options): Move handling
13111         of TARGET_SUBTARGET* earlier.
13112
13113 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13114
13115         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13116         use %n on printf.
13117
13118 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13119
13120         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13121         emited outside of basic block.
13122         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13123         the created blocks.
13124         * rtl.h (delete_insn_chain): Declaration changed.
13125         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13126         non-removed insns.
13127         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13128         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13129         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13130         to delete_insn_chain.
13131         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13132         do not have bb field set.
13133         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13134         have bb field set.
13135         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13136         * cfgcleanup.c (try_optimize_cfg): Ditto.
13137
13138 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13139
13140         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13141         (lambda_body_vector_new): Use type safe memory macros.
13142         (lambda_linear_expression_new): Likewise.
13143         (lambda_loopnest_new): Likewise.
13144         (lambda_lattice_new): Likewise.
13145         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13146         conventions. Use type safe memory macros.
13147         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13148         (lambda_body_vector_s): Likewise.
13149         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13150         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13151
13152 2007-06-06  Richard Guenther  <rguenther@suse.de>
13153
13154         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13155         if we need to schedule cfg_cleanup.
13156         (tree_ssa_forward_propagate_single_use_vars): Do so.
13157
13158 2007-06-06  Ian Lance Taylor  <iant@google.com>
13159
13160         * fold-const.c (merge_ranges): If range_successor or
13161         range_predecessor fail, just return 0.
13162
13163 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13164
13165         PR tree-optimization/32216
13166         * tree-vectorizer.c (supportable_widening_operation): Determine
13167         signedness of FIX_TRUNC_EXPR from output operand.
13168         (supportable_narrowing_operation): Ditto.
13169         * tree-vect-generic.c (expand_vector_operations_1): Determine
13170         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13171         from input operand.
13172
13173 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13174
13175         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13176         (struct pta): ...from here. Change flags to unsigned to avoid
13177         excessive casting (as it is used as a bit mask).
13178         (override_options): Add casts according to the coding convenventions.
13179         (x86_64_elf_unique_section): Likewise.
13180         (examine_argument): Avoid using C++ keywords as variable names.
13181         (construct_container): Likewise.
13182         (legitimize_pic_address): Likewise.
13183         (get_dllimport_decl): Cast according to the coding conventions. Use
13184         type safe memory macros.
13185         (legitimize_address): Cast according to the coding conventions.
13186         (emit_i387_cw_initialization): Corrected the type of slot to enum
13187         ix86_stack_slot.
13188         (ix86_init_machine_status): Use type safe memory macros.
13189         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13190         (bdesc_pcmpistr): Likewise.
13191         (bdesc_crc32): Likewise.
13192         (bdesc_sse_3arg): Likewise.
13193         (bdesc_2arg): Likewise.
13194         (bdesc_1arg): Likewise.
13195         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13196         (ix86_expand_sse_pcmpistr): Likewise.
13197         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13198         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13199         int to match the langhook definition.
13200         (ix86_builtin_conversion): Change the type of code to unsigned init to
13201         match the langhook definition.
13202         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13203         names.
13204         (ix86_preferred_output_reload_class): Likewise.
13205         (ix86_cannot_change_mode_class): Likewise.
13206         (ix86_memory_move_cost): Likewise.
13207         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13208         avoid excessive casting later on.
13209         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13210
13211 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13212
13213         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13214         as flags setting insn.
13215         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13216
13217 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13218
13219         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13220         (UNSPEC_ROUND): New.
13221         ("sse4_1_round<mode>2"): New insn pattern.
13222         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13223         SSE4.1 targets.
13224         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13225         expander using SSEMODEF mode macro.  Expand using
13226         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13227         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13228         expander using SSEMODEF mode macro.  Expand using
13229         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13230         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13231         expander using SSEMODEF mode macro.  Expand using
13232         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13233         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13234         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13235         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13236         UNSPEC_ROUNDS.
13237
13238 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13239             Sebastian Pop  <sebpop@gmail.com>
13240
13241         * lambda.h (build_linear_expr): New.
13242         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13243         Use build_linear_expr, call fold and force_gimple_operand.
13244         (lambda_loopnest_to_gcc_loopnest): Check that there is
13245         something to insert.
13246         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13247
13248 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13249
13250         PR preprocessor/23479
13251         * doc/extend.texi: Document the 0b-prefixed binary integer
13252         constant extension.
13253
13254 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13255
13256         PR tree-optimization/32215
13257         * tree-vectorizer.c (supportable_widening_operation): Return false
13258         for unsupported FIX_TRUNC_EXPR tree code.
13259         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13260
13261 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13262
13263         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13264         register on SPE targets.  Change documentation to reflect
13265         reality.
13266         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13267         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13268         out of the register allocation pool.
13269         (rs6000_reg_live_or_pic_offset_p): New function.
13270         (rs6000_emit_prologue): Move the actual saving of LR up to free
13271         r0 for holding r11.  Split saving of SPE 64-bit registers into
13272         its own case.  Ensure that offsets will always be in-range for
13273         'evstdd' by using r11 as a scratch register to point at the start
13274         of the SPE save area.  Save r11 if necessary, as it is the static
13275         chain register.
13276         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13277         into its own case.  Ensure that offsets will always be in-range
13278         for 'evldd' by using r11 as a scratch register to point at the
13279         start of the SPE save area.  Also adjust r11 when restoring
13280         the stack pointer to compensate for pre-loading r11.
13281
13282 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13283
13284         * cfg.c (init_flow): Use type safe memory macros.
13285         (alloc_block): Likewise.
13286         (unchecked_make_edge): Likewise.
13287         (dump_flow_info): Avoid using C++ keywords as variable names.
13288         (copy_original_table_clear): Cast according to the coding conventions.
13289         (copy_original_table_set): Likewise.
13290         * cfgexpand (label_rtx_for_bb): Likewise.
13291         (expand_gimple_basic_block): Likewise.
13292         * cfghooks.c (dump_bb): Likewise.
13293         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13294         variable names.
13295         (lv_add_condition_to_bb): Likewise.
13296         * cfglayout (relink_block_chain): Cast according to the coding
13297         conventions.
13298         (fixup_reorder_chain): Likewise.
13299         (fixup_fallthru_exit_predecessor): Likewise.
13300         * cfgloop.c (glb_enum_p): Likewise.
13301         (get_exit_description): Likewise.
13302         (dump_recorded_exit): Likewise.
13303         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13304         (struct loop): ... from here.
13305         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13306         conventions.
13307         * cfgrtl.c (rtl_create_basic_block): Likewise.
13308         (rtl_split_block): Likewise.
13309         (rtl_dump_bb): Likewise.
13310         (cfg_layout_split_block): Likewise.
13311         (init_rtl_bb_info): Use typesafe memory macros.
13312
13313         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13314         * graphds.h: Updated all usages of edge to graph_edge.
13315         * graphds.c: Likewise.
13316         * cfgloopanal.c: Likewise.
13317
13318 2007-06-05  Ian Lance Taylor  <iant@google.com>
13319
13320         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13321         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13322         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13323         expression.
13324         (test_for_singularity): Likewise.
13325
13326 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13327
13328         * config/i386/constraints.md ("Y2"): Replaced by ...
13329         ("Yt"): This.
13330         * config/i386/i386.md: Likewise.
13331         * config/i386/mmx.md: Likewise.
13332         * config/i386/sse.md: Likewise.
13333
13334 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13335
13336         * config/i386/constraints.md ("z"): Replaced by ...
13337         ("Y0"): This.
13338         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13339         (sse4_1_blendvps): Likewise.
13340         (sse4_1_pblendvb): Likewise.
13341         (sse4_2_pcmpestr): Likewise.
13342         (sse4_2_pcmpestrm): Likewise.
13343         (sse4_2_pcmpestr_cconly): Likewise.
13344         (sse4_2_pcmpistr): Likewise.
13345         (sse4_2_pcmpistrm): Likewise.
13346         (sse4_2_pcmpistr_cconly): Likewise.
13347
13348 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13349
13350         * matrix-reorg.c (transform_access_sites): Fix computation.
13351         (transform_allocation_sites): Same.
13352
13353 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13354
13355         * config/i386/i386.c (override_options): Use
13356         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13357
13358 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13359
13360         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13361         (nonimm_not_xmm0_operand): Ditto.
13362         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13363         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13364         as operand[2] predicate.  Require "z" class XMM register for
13365         operand[3].  Adjust asm template.
13366         ("sse4_1_blendvpd"): Ditto.
13367         ("sse4_1_pblendvb"): Ditto.
13368         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13369         force op2 into xmm0 register for variable blend instructions.
13370
13371 2007-06-04  Tom Tromey  <tromey@redhat.com>
13372
13373         * c-tree.h (start_enum): Update.
13374         (build_enumerator): Likewise.
13375         * c-decl.c (enum_next_value): Removed.
13376         (enum_overflow): Likewise.
13377         (start_enum): Add c_enum_contents argument.  Don't use globals.
13378         (build_enumerator): Likewise.
13379         * c-tree.h (struct c_enum_contents): New struct.
13380
13381 2007-06-04  Tom Tromey  <tromey@redhat.com>
13382
13383         * c-common.c (c_common_get_alias_set): Fix indentation.
13384
13385 2007-06-04  Ian Lance Taylor  <iant@google.com>
13386
13387         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13388         to overflow, reduce overflow infinity to regular infinity.
13389         (vrp_var_may_overflow): New static function.
13390         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13391
13392 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13393
13394         * stor-layout.c (layout_type): Remove duplicate code.
13395
13396 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13397
13398         PR c/32191
13399         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13400         before build_common_builtin_nodes ().
13401
13402 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13403
13404         PR target/31733
13405         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13406
13407 2007-06-04  Jan Hubicka  <jh@suse.cz>
13408
13409         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13410         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13411         instead of _stat version.
13412
13413 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13414
13415         PR tree-optimization/32194
13416         * tree-predcom.c (determine_offset): Check that both references have
13417         the same type.
13418
13419 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13420
13421         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13422         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13423         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13424         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13425         Add argument to iterate_fix_dominators call.
13426         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13427         * gcse.c (hoist_code): Change domby to vector.
13428         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13429         Add argument to iterate_fix_dominators call.
13430         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13431         recompute_dominator.
13432         * lambda-code.c (perfect_nestify): Ditto.
13433         * cfgloopanal.c: Include graphds.h.
13434         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13435         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13436         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13437         add_edge call.
13438         * graphds.c: New file.
13439         * graphds.h: New file.
13440         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13441         (get_dominated_by, get_dominated_by_region): Change return type to
13442         vector.
13443         (verify_dominators): Recompute all dominators and compare the results.
13444         (recount_dominator): Renamed to ...
13445         (recompute_dominator): ... this.  Do not check that the block is
13446         dominated by entry.
13447         (iterate_fix_dominators): Reimplemented.
13448         (prune_bbs_to_update_dominators, root_of_dom_tree,
13449         determine_dominators_for_sons): New functions.
13450         * et-forest.c (et_root): New function.
13451         * et-forest.h (et_root): Declare.
13452         * Makefile.in (graphds.o): Add.
13453         (cfgloopanal.o): Add graphds.h dependency.
13454         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13455         * basic-block.h (get_dominated_by, get_dominated_by_region,
13456         iterate_fix_dominators): Declaration changed.
13457         (recount_dominator): Renamed to ...
13458         (recompute_dominator): ... this.
13459         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13460         (thread_through_all_blocks): Do not free dominance info.
13461
13462 2007-06-03  Andreas Schwab  <schwab@suse.de>
13463
13464         * config/m68k/m68k.c (override_options): Don't override
13465         REAL_MODE_FORMAT.
13466         * config/m68k/m68k-modes.def (SF, DF): Define to use
13467         motorola_single_format and motorola_double_format, resp.
13468         * real.c (motorola_single_format): Renamed from
13469         coldfire_single_format.
13470         (motorola_double_format): Renamed from coldfire_double_format.
13471         (encode_ieee_extended): Generate a proper canonical NaN image
13472         respecting canonical_nan_lsbs_set.
13473         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13474         true.
13475         * real.h: Adjust declarations.
13476
13477 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13478
13479         PR target/32163
13480         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13481         the symbol is generated with the stack protector.
13482
13483 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13484
13485         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13486         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13487         "interrupt".
13488         * doc/extend.texi (interrupt): Mention m68k.
13489
13490 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13491
13492         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13493         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13494         (ix86_expand_sse_pcmpestr): Do not check operands for
13495         "register_operand", when insn operand predicate is "register_operand".
13496         (ix86_expand_sse_pcmpistr): Ditto.
13497
13498 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13499             Uros Bizjak  <ubizjak@gmail.com>
13500
13501         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13502         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13503         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13504         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13505         * config/i386/constraints.md ("z"): New register constraint
13506         for members of SSE_FIRST_REG class.
13507         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13508         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13509         SSE_FIRST_REG class.
13510         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13511         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13512         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13513         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13514         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13515         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13516         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13517         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13518         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13519         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13520         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13521         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13522         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13523         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13524         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13525         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13526         (struct builtin_description): Change "flag" field to unsigned.
13527         (bdesc_pcmpestr): New builtin description table.
13528         (bdesc_pcmpistr): Likewise.
13529         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13530         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13531         Initialize pcmp[ei]str[im] insns for SSE4.2.
13532         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13533         (ix86_expand_sse_pcmpistr): Likewise.
13534         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13535         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13536         (UNSPEC_PCMPISTR): Likewise.
13537         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13538         (sse4_2_pcmpestri):New isns pattern.
13539         (sse4_2_pcmpestrm): Likewise.
13540         (sse4_2_pcmpestr_cconly): Likewise.
13541         (sse4_2_pcmpistr): New insn patern and splitter.
13542         (sse4_2_pcmpistri):New isns pattern.
13543         (sse4_2_pcmpistrm): Likewise.
13544         (sse4_2_pcmpistr_cconly): Likewise.
13545         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13546         in SSE4.2.
13547
13548 2007-06-01  David Daney  <ddaney@avtrex.com>
13549
13550         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13551         LOADGP_ABSOLUTE and not binds_local_p.
13552
13553 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13554
13555         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13556
13557 2007-06-01  Ian Lance Taylor  <iant@google.com>
13558
13559         * tree-vrp.c (compare_name_with_value): Always set
13560         used_strict_overflow if we get a result from the variable itself.
13561
13562 2007-06-01  Ian Lance Taylor  <iant@google.com>
13563
13564         PR rtl-optimization/31455
13565         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13566         subregs which have a cast between modes which are not tieable.
13567
13568 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13569
13570         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13571         breaks after return statements.
13572
13573 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13574
13575         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13576         only after no_new_pseudos.
13577
13578 2007-05-31  Eric Christopher  <echristo@apple.com>
13579
13580         * expr.c (convert_move): Assert that we don't have a BLKmode
13581         operand.
13582         (store_expr): Handle BLKmode moves by calling emit_block_move.
13583
13584 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13585
13586         * c-typeck.c (build_indirect_ref): Include type in error message.
13587         (build_binary_op): Pass types to binary_op_error.
13588         * c-common.c (binary_op_error): Take two type arguments, print out
13589         types with error.
13590         * c-common.h (binary_op_error): Update prototype.
13591
13592 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13593
13594         * config/i386/i386.c: Correct coments on -mno-sse4.
13595
13596 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13597
13598         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13599         (x86_64-*-*): Likewise.
13600         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13601         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13602         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13603         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13604         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13605         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13606         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13607         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13608         (OPTION_MASK_ISA_SSE4): Likewise.
13609         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13610         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13611         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13612         (override_options): Support SSE4.2.
13613         (ix86_build_const_vector): Support SImode and DImode.
13614         (ix86_build_signbit_mask): Likewise.
13615         (ix86_expand_int_vcond): Support V2DImode.
13616         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13617         (IX86_BUILTIN_CRC32HI): Likewise.
13618         (IX86_BUILTIN_CRC32SI): Likewise.
13619         (IX86_BUILTIN_CRC32DI): Likewise.
13620         (IX86_BUILTIN_PCMPGTQ): Likewise.
13621         (bdesc_crc32): Likewise.
13622         (bdesc_sse_3arg): Likewise.
13623         (ix86_expand_crc32): Likewise.
13624         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13625         (ix86_expand_builtin): Likewise.
13626         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13627         __SSE4_2__ for -msse4.2.
13628         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13629         (CRC32MODE): Likewise.
13630         (crc32modesuffix): Likewise.
13631         (crc32modeconstraint): Likewise.
13632         (sse4_2_crc32<mode>): Likewise.
13633         (sse4_2_crc32di): Likewise.
13634         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13635         (msse4): Likewise.
13636         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13637         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13638         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13639         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13640         (vcondu<mode>): Likewise.
13641         * doc/extend.texi: Document SSE4.2 built-in functions.
13642         * doc/invoke.texi: Document -msse4.2/-msse4.
13643
13644 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13645
13646         PR tree-optimization/32160
13647         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13648         variable as gimple reg.
13649         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13650
13651 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13652
13653         * gcc.c (main): Don't consider linker options when issuing the
13654         warning about a linker input file not being used.
13655
13656 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13657
13658         * tree-vrp.c (compare_names): Initialize sop.
13659
13660 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13661
13662         * cgraphunit.c (cgraph_analyze_function): Remove
13663         computation of inline parameters.
13664
13665 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13666
13667         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13668
13669 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13670
13671         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13672         Add vx-common.h.  Include vxworks.h between vx-common.h and
13673         arm/vxworks.h.
13674         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13675         redefining.
13676         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13677         (TARGET_ASM_DESTRUCTOR): Likewise.
13678         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13679         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13680         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
13681         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
13682         (VXWORKS_ENDIAN_SPEC): Define.
13683         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
13684         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
13685         VXWORKS_* equivalents.
13686         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
13687         (ASM_FILE_START): Delete.
13688         (TARGET_VERSION): Reformat.
13689         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
13690         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
13691         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
13692         (FPBIT, DPBIT): Define.
13693         (fp-bit.c, dp-bit.c): New rules.
13694         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
13695         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
13696         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
13697         * config/arm/arm.h: Include vxworks-dummy.h.
13698         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
13699         Mark with ATTRIBUTE_UNUSED.
13700         (arm_override_options): Do not allow VxWorks RTP PIC to be used
13701         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
13702         make it incompatible with -msingle-pic-base.
13703         (arm_function_ok_for_sibcall): Return false for calls that might
13704         go through a VxWorks PIC PLT entry.
13705         (require_pic_register): New function, split out from...
13706         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
13707         for VxWorks RTPs.
13708         (arm_load_pic_register): Handle the VxWorks RTP initialization
13709         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
13710         (arm_emit_call_insn): New function.
13711         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
13712         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
13713         (pic_offset_arm): New pattern.
13714         (call, call_value): Use arm_emit_call_insn.
13715         (call_internal, call_value_internal): New expanders.
13716         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
13717         VxWorks unless __PIC__.
13718
13719 2007-05-30  Eric Christopher  <echristo@gmail.com>
13720
13721         * genrecog.c: Include regs.h in generated file.
13722         * genemit.c: Ditto. Fix up formatting.
13723         * config/mn10300/constraints.md: New.
13724         * config/mn10300/mn10300.md: Include.
13725         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
13726         Fix up for removed macro.
13727         * config/mn10300/predicates.md (call_address_operand): Ditto.
13728         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
13729         (CONST_OK_FOR_I): Ditto.
13730         (CONST_OK_FOR_J): Ditto.
13731         (CONST_OK_FOR_K): Ditto.
13732         (CONST_OK_FOR_L): Ditto.
13733         (CONST_OK_FOR_M): Ditto.
13734         (CONST_OK_FOR_N): Ditto.
13735         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
13736         (OK_FOR_Q): Ditto.
13737         (OK_FOR_R): Ditto.
13738         (OK_FOR_T): Ditto.
13739         (EXTRA_CONSTRAINT): Ditto.
13740
13741 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13742
13743         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
13744         Remove defines.
13745         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
13746         OPTION_MASK_ISA_64BIT.
13747         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
13748
13749 2007-05-30  Richard Guenther  <rguenther@suse.de>
13750
13751         PR middle-end/32152
13752         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
13753         types for comparison.
13754         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
13755         with original typed arguments.
13756         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
13757
13758 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
13759
13760         PR tree-optimization/31769
13761         * except.c (duplicate_eh_regions): Clear prev_try if
13762         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
13763
13764 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
13765
13766         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
13767         * tree-ssa-sink.c (statement_sink_location): Return basic block and
13768         bsi of the location where statements should be inserted.
13769         (sink_code_in_bb): Take bsi from statement_sink_location.
13770         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
13771         instead of bsi_start.
13772         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
13773         bsi_insert_after.
13774         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
13775         (bsi_move_before): Document inconsistency with bsi_move_after.
13776         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
13777
13778 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
13779
13780         * config/i386/i386.h (TARGET_ABM): New define.
13781         (TARGET_POPCNT): Ditto.
13782         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
13783         New temporary defines to redefine from OPTION_ISA_* defines.
13784         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
13785         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
13786         (ix86_isa_flags): New extern int declaration.
13787         (TARGET_SUBTARGET_DEFAULT): New define.
13788         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
13789         (TARGET_SUBTARGET32_DEFAULT): Ditto.
13790         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
13791         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13792         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
13793         * config/i386/darwin.h: Change TARGET_64BIT define to
13794         OPTION_ISA_64BIT.
13795
13796         * config/i386/i386.opt (m3dnowa): Define as undocumented option
13797         using existing "ix86_isa_flags" varible.
13798         (m32, m64): Use existing "ix86_isa_flags" variable.
13799         (mmmx, m3dnow): Ditto.
13800         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
13801         (mabm): Define as non-negative option using "x86_abm" variable.
13802         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
13803
13804         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
13805         Rewrite feature test bitmap.
13806         (ix86_isa_flags): New initialized global int varible.
13807         (ix86_isa_flags_explicit): New static int variable.
13808         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
13809         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
13810         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
13811         target_flags_explicit.
13812         (override_options): Remove "target_enable" and "target_disable" fields
13813         from "struct ptt". Update processor_target_table accordingly. Remove
13814         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
13815         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
13816         "target_flags" and "ix86_isa_flags_explicit" instead of
13817         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
13818         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
13819         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
13820         to true when either of PTA_POPCNT or PTA_ABM is set in
13821         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
13822         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
13823         processor_alias_table flags entry.  Remove handling of
13824         "target_enable" and "target_disable" fields of processor_target_table.
13825         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
13826         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
13827         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
13828         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
13829         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
13830         "target_flags".
13831         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
13832
13833 2007-05-29  David Daney  <ddaney@avtrex.com>
13834
13835         PR gcc/31975
13836         * config/mips/mips.c (mips_output_mi_thunk): Emit
13837         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
13838
13839 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
13840         * config/i386/i386.c (ix86_function_regparm): Added checking of
13841         ix86_force_align_arg_pointer to determine the number of
13842         register parameters.
13843
13844 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
13845
13846         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
13847         (SET_DR_MISALIGNMENT): New.
13848         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
13849         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
13850         Use SET_DR_MISALIGNMENT.
13851         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
13852         pointer.
13853         * tree-data-ref.c (create_data_ref, compute_all_dependences,
13854         find_loop_nest): Export.
13855         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
13856         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
13857         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
13858         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
13859         New macros.
13860         (struct mem_ref): Add field reuse_distance.
13861         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
13862         Initialize reuse_distance field.
13863         (issue_prefetch_ref): Select temporality of prefetch according to
13864         reuse_distance.
13865         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
13866         self_reuse_distance, determine_loop_nest_reuse): New functions.
13867         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
13868         (tree_ssa_prefetch_arrays): Dump L2 cache size.
13869         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
13870         dependency.
13871
13872 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
13873
13874         * tree-ssa-alias.c: Add aliasing overview.
13875
13876 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
13877             Danny Smith  <dannysmith@users.sourceforge.net>
13878
13879         PR target/29498
13880         * config/i386/t-crtfm: Compile crtfastmath.o with
13881         -minline-all-stringops.
13882         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
13883         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
13884
13885 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13886
13887         * doc/md.texi: Document constraints on HP PA-RISC.
13888
13889         * pa/constraints.md: New file.
13890         * pa.md: Include constraints.md.
13891         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
13892         (integer_store_memory_operand, ldil_cint_p): New functions.
13893         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
13894         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
13895         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
13896         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
13897         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
13898
13899 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
13900
13901         PR c/31339
13902         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
13903         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
13904         case POSTDECREMENT_EXPR>): Return the error_mark_node
13905         if either the real or imaginary parts would an
13906         error_mark_node.
13907
13908 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
13909
13910         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
13911         name when we remove it from a call.
13912
13913 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
13914
13915         * targhooks.c (default_narrow_bitfield): Remove.
13916         * targhooks.h: Remove the prototype for
13917         default_narrow_bitfield.
13918
13919         * langhooks-def.h: Remove the prototype for
13920         hook_get_alias_set_0.
13921         * langhooks.c (hook_get_alias_set_0): Remove.
13922
13923         * global.c (EXECUTE_IF_CONFLICT): Remove.
13924
13925 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13926
13927         PR tree-opt/32100
13928         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
13929         return true when truth_value_p is true and the type
13930         is of signed:1.
13931
13932 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
13933
13934         * doc/install.texi (Prerequisites): We no longer require Autoconf
13935         2.13 for the top-level.
13936
13937 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
13938
13939         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
13940         memory access via x86_expand_vector_move_misalign() only for
13941         TImode values on 32-bit targets.
13942
13943 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
13944
13945         * matrix-reorg.c: New file. Implement matrix flattening and
13946         transposing optimization.
13947         * tree-pass.h: Add matrix reorg pass.
13948         * common.opt: Add fipa-mreorg flag.
13949         * Makefile.in: Add matrix-reorg.c.
13950         * passes.c: Add matrix reorg pass.
13951         * varpool.c (add_new_static_var): New function.
13952         * cgraph.h (add_new_static_var): Declare.
13953
13954 2007-05-27  Eric Christopher  <echristo@apple.com>
13955
13956         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
13957         sp_offset depending on stack size. Save r12 depending
13958         on registers we're saving later.
13959         (rs6000_emit_epilogue): Update sp_offset depending only
13960         on stack size.
13961
13962 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
13963
13964         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
13965         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
13966         * ifcvt.c (if_convert): Ditto.
13967         * tree-ssa-threadupdate.c (thread_block): Ditto.
13968         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
13969         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
13970         verify_loop_closed_ssa): Check number_of_loops instead of
13971         current_loops.
13972         * predict.c (tree_estimate_probability): Ditto.
13973         * tree-if-conv.c (main_tree_if_conversion): Ditto.
13974         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13975         * modulo-sched.c (sms_schedule): Ditto.
13976         * tree-scalar-evolution.c (scev_const_prop): Ditto.
13977         (scev_finalize): Do not do anything if scev analysis was not
13978         initialized.
13979         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
13980         current_loops == NULL.
13981         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
13982         * loop-init.c (loop_optimizer_init): Do not free current_loops when
13983         there are no loops.
13984         (loop_optimizer_finalize): Assert that loops were analyzed.
13985         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
13986         rtl_doloop): Check number_of_loops instead of current_loops.
13987         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
13988         current_loops == NULL.
13989         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
13990         gate_tree_vectorize tree_linear_transform, check_data_deps,
13991         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
13992         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
13993         Check number_of_loops instead of current_loops.
13994         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
13995         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
13996         free loops if available.
13997         (execute_pre): Do not pass do_fre to fini_pre.
13998
13999 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14000
14001         PR middle-end/32083
14002         * real.c (mpfr_from_real): Fix sign of -Inf.
14003
14004 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14005
14006         * tree-vect-transform.c (vectorizable_conversion): Initialize
14007         tree_code variables to ERROR_MARK.
14008         (vectorizable_type_demotion): Likewise.
14009         (vectorizable_type_promotion): Likewise.
14010
14011 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14012
14013         PR target/32065
14014         * config/i386/i386.md (movti): Handle push operands via
14015         ix86_expand_push().
14016
14017 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14018
14019         * basic-block.h: Remove the prototype for merge_seq_blocks.
14020         * cfgcleanup.c (merge_seq_blocks): Remove.
14021
14022         * tree-flow.h: Remove the prototype for is_aliased_with.
14023         * tree-ssa-alias.c (is_aliased_with): Remove.
14024
14025 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14026
14027         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14028
14029         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14030
14031         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14032         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14033         (vec_unpacks_hi_v16qi): Likewise.
14034         (vec_unpacku_lo_v16qi): Likewise.
14035         (vec_unpacks_lo_v16qi): Likewise.
14036         (vec_unpacku_hi_v8hi): Likewise.
14037         (vec_unpacks_hi_v8hi): Likewise.
14038         (vec_unpacku_lo_v8hi): Likewise.
14039         (vec_unpacks_lo_v8hi): Likewise.
14040         (vec_unpacku_hi_v4si): Likewise.
14041         (vec_unpacks_hi_v4si): Likewise.
14042         (vec_unpacku_lo_v4si): Likewise.
14043         (vec_unpacks_lo_v4si): Likewise.
14044
14045 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14046
14047         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14048         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14049         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14050         follow spelling conventions in various
14051         warning/error/diagnostic messages.
14052
14053         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14054         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14055         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14056         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14057         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14058         * doc/tm.texi: Follow spelling conventions.
14059
14060 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14061
14062         PR tree-opt/32090
14063         * tree-ssa-forwprop.c
14064         (forward_propagate_addr_into_variable_array_index): Remove
14065         the lhs argument.  Use the type of def_rhs instead of lhs.
14066         (forward_propagate_addr_expr_1): Update use of
14067         forward_propagate_addr_into_variable_array_index.
14068
14069 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14070             Nigel Stephens  <nigel@mips.com>
14071
14072         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14073         function attributes, "far" being an alias for "long_call".
14074         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14075         (mips_near_type_p, mips_far_type_p): New.
14076         (mips_comp_type_attributes): New function to check that attributes
14077         attached to a function type are compatible.
14078         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14079         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14080         to the target function of the thunk.
14081         (mips_encode_section_info): Check for "near" and "far" function
14082         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14083
14084         * config/mips/predicates.md (const_call_insn_operand): Test only
14085         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14086
14087         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14088         "far" attributes.
14089
14090         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14091         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14092         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14093         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14094
14095 2007-05-25  Eric Christopher  <echristo@apple.com>
14096
14097         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14098         to x86-darwin configurations.
14099         * config/i386/t-darwin: Add softfp support.
14100         * config/i386/t-darwin64: Ditto.
14101         * config/i386/sfp-machine.h: If mach then don't use
14102         aliasing, emit a stub to call.
14103
14104 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14105
14106         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14107         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14108         tree-predcom.c, tree-ssa-alias-warnings.c,
14109         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14110         comment typos.  Follow spelling conventions.
14111         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14112
14113 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14114
14115         PR target/32065
14116         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14117         constants into memory.  Expand unaligned memory references for
14118         SSE modes via x86_expand_vector_move_misalign() function.
14119
14120 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14121
14122         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14123         "memory" attribute for "sseishft" type insn without operands[2].
14124
14125 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14126             Marcus Meissner <meissner@suse.de>
14127
14128         * doc/extend.texi (alloc_size): New attribute.
14129         * c-common.c (handle_alloc_size_attribute): New.
14130         * tree-object-size.c (alloc_object_size): Use alloc_size
14131         attribute, if available.
14132
14133 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14134
14135         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14136         with MASK_SSE2.
14137         (__builtin_ia32_vec_ext_v2di): Likewise.
14138         (__builtin_ia32_vec_ext_v4si): Likewise.
14139         (__builtin_ia32_vec_ext_v8hi): Likewise.
14140         (__builtin_ia32_vec_ext_v16qi): Likewise.
14141         (__builtin_ia32_vec_set_v8hi): Likewise.
14142
14143 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14144
14145         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14146
14147 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14148
14149         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14150         (arm_is_longcall_p): Rename to...
14151         (arm_is_long_call_p): ...this.  Take a single tree argument and
14152         return a bool.
14153         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14154         (CUMULATIVE_ARGS): Remove call_cookie.
14155         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14156         (ENCODED_LONG_CALL_ATTR_P): Delete.
14157         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14158         LONG_CALL_FLAG_CHAR cases.
14159         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14160         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14161         ARM_DECLARE_FUNCTION_SIZE.
14162         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14163         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14164         (arm_encode_call_attribute, current_file_function_operand): Delete.
14165         (arm_function_in_section_p): New function.
14166         (arm_is_longcall_p): Rename to...
14167         (arm_is_long_call_p): ...this.  Take the target function as a single
14168         argument and return a bool.  Do not rely on call cookies.  Check
14169         whether the target symbol is in the same section as the current
14170         function, not just the same compilation unit.
14171         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14172         (arm_encode_section_info): Don't encode a call type.
14173         * config/arm/arm.md (call, call_value): Update calls to
14174         arm_is_long(_)call_p.  Simplify logic.
14175         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14176         Update calls to arm_is_long(_)call_p.
14177
14178 2007-05-25  Richard Guenther  <rguenther@suse.de>
14179
14180         PR tree-optimization/31982
14181         * tree-ssa-forwprop.c
14182         (forward_propagate_addr_into_variable_array_index): Handle arrays
14183         with element size one.
14184
14185 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14186
14187         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14188         (umulsi3_highpart): Likewise.
14189
14190 2007-05-24  Ian Lance Taylor  <iant@google.com>
14191
14192         PR rtl-optimization/32069
14193         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14194         is NULL.
14195
14196 2007-05-24  Ollie Wild  <aaw@google.com>
14197
14198         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14199         description.
14200
14201 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14202
14203         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14204         (oprs_unchanged_p): Use it to check all registers in a REG.
14205         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14206         (reg_set_between_after_reload_p): Delete.
14207         (reg_used_between_after_reload_p): Likewise.
14208         (reg_set_or_used_since_bb_start): Likewise.
14209         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14210         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14211         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14212         * rtlanal.c (reg_set_p): Check whether REG overlaps
14213         regs_invalidated_by_call, rather than just checking the
14214         membership of REGNO (REG).
14215
14216 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14217
14218         * doc/passes.texi: Document predictive commoning.
14219         * doc/invoke.texi (-fpredictive-commoning): Document.
14220         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14221         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14222         adding indices to the generated name.
14223         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14224         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14225         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14226         (op_symbol_code): ... and exported.
14227         (dump_omp_clause, op_symbol): Use op_symbol_code
14228         instead of op_symbol_1.
14229         * tree-pass.h (pass_predcom): Declare.
14230         * timevar.def (TV_PREDCOM): New timevar.
14231         * tree-ssa-loop.c (run_tree_predictive_commoning,
14232         gate_tree_predictive_commoning, pass_predcom): New.
14233         * tree-data-ref.c (find_data_references_in_loop): Find the
14234         references in dominance order.
14235         (canonicalize_base_object_address): Ensure that the result has
14236         pointer type.
14237         (dr_analyze_innermost): Export.
14238         (create_data_ref): Code to fail for references with invariant
14239         address moved ...
14240         (find_data_references_in_stmt): ... here.
14241         * tree-data-ref.h (dr_analyze_innermost): Declare.
14242         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14243         (aff_combination_find_elt, name_expansion_hash,
14244         name_expansion_eq, tree_to_aff_combination_expand,
14245         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14246         New functions.
14247         * tree-affine.h (aff_combination_constant_multiple_p,
14248         tree_to_aff_combination_expand): Declare.
14249         * tree-predcom.c: New file.
14250         * common.opt (fpredictive-commoning): New option.
14251         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14252         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14253         * Makefile.in (tree-predcom.o): Add.
14254         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14255         * passes.c (init_optimization_passes): Add dceloop after
14256         copy propagation in loop optimizer.  Add predictive commoning
14257         to loop optimizer passes.
14258
14259 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14260
14261         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14262         default hook.
14263
14264 2007-05-24  Jan Hubicka  <jh@suse.cz>
14265
14266         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14267         statistics.
14268         (genheader): Include statistics.h.
14269
14270         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14271         notes are gone.
14272         * print-rtl.c (flag_dump_unnumbered): Update comments.
14273         (print_rtl): Fix my previous change.
14274         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14275         specific data.
14276
14277 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14278
14279         PR middle-end/32018
14280         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14281         set_loop_copy.
14282         (thread_through_all_blocks): Call initialize_original_copy_tables
14283         and free_original_copy_tables.
14284         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14285         Use set_loop_copy.
14286         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14287         * cfghooks.c (duplicate_block): Use get_loop_copy.
14288         * cfg.c: Include cfgloop.h.
14289         (loop_copy): New hash table.
14290         (initialize_original_copy_tables): Initialize loop_copy table.
14291         (free_original_copy_tables): Free loop_copy table.
14292         (copy_original_table_clear, copy_original_table_set,
14293         set_loop_copy, get_loop_copy): New functions.
14294         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14295         * cfgloop.h (struct loop): Remove copy field.
14296         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14297         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14298
14299 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14300
14301         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14302         -msse/-msse2/-msse3.
14303
14304 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14305
14306         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14307         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14308
14309 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14310
14311         PR target/27067
14312         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14313         * targhooks.h (default_mangle_decl_assembler_name): Declare
14314         default hook.
14315         * targhooks.c (default_mangle_decl_assembler_name): Define
14316         default hook.
14317         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14318         default hook.
14319         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14320         * langhooks.c (lhd_set_decl_assembler_name): Call
14321         targetm.mangle_decl_assembler_name for names with global scope.
14322
14323         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14324         default.
14325         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14326         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14327         Declare.
14328         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14329         New. Factored out of i386_pe_encode_section_info.
14330         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14331         Move check for prior decoration of stdcall
14332         symbols to i386_pe_encode_section_info.
14333         (i386_pe_encode_section_info): Adjust call to
14334         gen_stdcall_or_fastcall_suffix.  Use
14335         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14336         (i386_pe_mangle_decl_assembler_name): New. Wrap
14337         i386_pe_maybe_mangle_decl_assembler_name.
14338
14339 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14340
14341         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14342         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14343         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14344         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14345         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14346         TYPE_UNSIGNED.
14347
14348 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14349             Nigel Stephens  <nigel@mips.com>
14350             Richard Sandiford  <richard@codesourcery.com>
14351
14352         Fix up MIPS16 hard float and add support for complex.
14353
14354         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14355         (TARGET_SOFT_FLOAT_ABI): New.
14356         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14357         __mips_soft_float to reflect the ABI in use, not whether the
14358         FPU is directly accessible (e.g., in MIPS16 mode).
14359         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14360         (UNITS_PER_FPVALUE): Likewise.
14361
14362         * config/mips/mips.c (mips_expand_call): Remove redundant
14363         TARGET_MIPS16 check.
14364         (mips_arg_regno): New.
14365         (function_arg_advance): When setting bits in cum->fp_code for
14366         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14367         zero-based.
14368         (function_arg): Use mips_arg_regno.
14369         (mips_return_mode_in_fpr_p): New.
14370         (mips16_call_stub_mode_suffix): New.
14371         (mips16_cfun_returns_in_fpr_p): New.
14372         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14373         (mips_output_function_prologue): Test mips16_hard_float, not
14374         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14375         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14376         return value into a floating-point register.
14377         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14378         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14379         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14380         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14381         word of double arguments from or to the high bits of 64-bit
14382         floating point registers.
14383         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14384         (mips16_fpret_double): New helper function.
14385         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14386         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14387         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14388
14389         * config/mips/mips16.S
14390         (RET, ARG1, ARG2): New.
14391         (MERGE_GPRf, MERGE_GPRt): New.
14392         (DELAYt, DELAYf): New.
14393         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14394         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14395         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14396         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14397         (SFOP): Renamed to...
14398         (OPSF3): This, and macro-ified.  Updated all uses.
14399         (SFOP2): Renamed to...
14400         (OPSF2): This, and macro-ified.  Updated all uses.
14401         (SFCMP): Renamed to...
14402         (CMPSF): This, and macro-ified.  Updated all uses.
14403         (SFREVCMP): Renamed to...
14404         (REVCMPSF): This, and macro-ified.  Updated all uses.
14405         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14406         (LDDBL1, LDDBL2, RETDBL): Deleted.
14407         (DFOP): Renamed to...
14408         (OPDF3): This, and macro-ified.  Updated all uses.
14409         (DFOP2): Renamed to...
14410         (OPDF2): This, and macro-ified.  Updated all uses.
14411         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14412         (DFCMP): Renamed to...
14413         (CMPDF): This, and macro-ified.  Updated all uses.
14414         (DFREVCMP): Renamed to...
14415         (REVCMPDF): This, and macro-ified.  Updated all uses.
14416         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14417         (RET_FUNCTION): New.
14418         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14419         (__mips16_ret_sc, __mips16_ret_dc): New.
14420         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14421         STUB_ARGS_6, STUB_ARGS_10): New.
14422         (CALL_STUB_NO_RET): New.
14423         (__mips16_call_stub_1): Macro-ified.
14424         (__mips16_call_stub_5): Macro-ified.
14425         (__mips16_call_stub_2): Macro-ified.
14426         (__mips16_call_stub_6): Macro-ified.
14427         (__mips16_call_stub_9): Macro-ified.
14428         (__mips16_call_stub_10): Macro-ified.
14429         (CALL_STUB_RET): New.
14430         (__mips16_call_stub_sf_0): Macro-ified.
14431         (__mips16_call_stub_sf_1): Macro-ified.
14432         (__mips16_call_stub_sf_5): Macro-ified.
14433         (__mips16_call_stub_sf_2): Macro-ified.
14434         (__mips16_call_stub_sf_6): Macro-ified.
14435         (__mips16_call_stub_sf_9): Macro-ified.
14436         (__mips16_call_stub_sf_10): Macro-ified.
14437         (__mips16_call_stub_df_0): Macro-ified.
14438         (__mips16_call_stub_df_1): Macro-ified.
14439         (__mips16_call_stub_df_5): Macro-ified.
14440         (__mips16_call_stub_df_2): Macro-ified.
14441         (__mips16_call_stub_df_6): Macro-ified.
14442         (__mips16_call_stub_df_9): Macro-ified.
14443         (__mips16_call_stub_df_10): Macro-ified.
14444         (__mips16_call_stub_sc_0): New.
14445         (__mips16_call_stub_sc_1): New.
14446         (__mips16_call_stub_sc_5): New.
14447         (__mips16_call_stub_sc_2): New.
14448         (__mips16_call_stub_sc_6): New.
14449         (__mips16_call_stub_sc_9): New.
14450         (__mips16_call_stub_sc_10): New.
14451         (__mips16_call_stub_dc_0): New.
14452         (__mips16_call_stub_dc_1): New.
14453         (__mips16_call_stub_dc_5): New.
14454         (__mips16_call_stub_dc_2): New.
14455         (__mips16_call_stub_dc_6): New.
14456         (__mips16_call_stub_dc_9): New.
14457         (__mips16_call_stub_dc_10): New.
14458
14459         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14460         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14461         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14462
14463 2007-05-23  Ian Lance Taylor  <iant@google.com>
14464
14465         * doc/invoke.texi (Invoking GCC): Document that the order of the
14466         -l option matters.
14467
14468 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14469
14470         PR target/30987
14471         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14472         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14473         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14474         undef.
14475
14476         PR target/30474
14477         * config/score/score.c (score_print_operand): Make sure that only
14478         lower bits are used.
14479
14480 2007-05-22  Ian Lance Taylor  <iant@google.com>
14481
14482         * tree-vrp.c (avoid_overflow_infinity): New static function,
14483         broken out of set_value_range_to_value.
14484         (set_value_range_to_value): Call avoid_overflow_infinity.
14485         (extract_range_from_assert): Likewise.
14486
14487 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14488
14489         PR middle-end/31095
14490          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14491         change the type before looking for a COMPOUND_EXPR.
14492
14493 2007-05-22  Ian Lance Taylor  <iant@google.com>
14494
14495         * lower-subreg.c (decompose_multiword_subregs): If we change an
14496         insn, call remove_retval_note on it.
14497
14498 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14499
14500         * regs.h (end_hard_regno): New function.
14501         (END_HARD_REGNO, END_REGNO): New macros.
14502         (add_to_hard_reg_set): New function.
14503         (remove_from_hard_reg_set): Likewise.
14504         (in_hard_reg_set_p): Likewise.
14505         (overlaps_hard_reg_set_p): Likewise.
14506         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14507         (note_btr_set): Use END_HARD_REGNO.
14508         * caller-save.c (setup_save_areas): Use end_hard_regno.
14509         (mark_set_regs): Use END_HARD_REGNO.
14510         (add_stored_regs): Use end_hard_regno.
14511         (mark_referenced_regs): Use add_to_hard_reg_set.
14512         * combine.c (update_table_tick): Use END_REGNO.
14513         (record_value_for_reg): Likewise.
14514         (record_dead_and_set_regs): Likewise.
14515         (get_last_value_validate): Likewise.
14516         (use_crosses_set_p): Likewise.
14517         (reg_dead_at_p_1): Likewise.
14518         (reg_dead_at_p): Likewise.
14519         (mark_used_regs_combine): Use add_to_hard_reg_set.
14520         (move_deaths): Use END_HARD_REGNO.
14521         (reg_bitfield_target_p): Use end_hard_regno.
14522         (distribute_notes): Use END_HARD_REGNO.
14523         * cse.c (mention_regs): Use END_REGNO.
14524         (insert): Use add_to_hard_reg_set.
14525         (invalidate): Use END_HARD_REGNO.
14526         (invalidate_for_call): Likewise.
14527         (exp_equiv_p): Use END_REGNO.
14528         (cse_insn): Likewise.
14529         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14530         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14531         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14532         * function.c (keep_stack_depressed): Use end_hard_regno.
14533         * global.c (global_alloc): Use end_hard_regno.
14534         (global_conflicts): Use add_to_hard_reg_set instead of
14535         mark_reg_live_nc.
14536         (find_reg): Likewise.
14537         (mark_reg_store): Likewise.
14538         (mark_reg_conflicts): Likewise.
14539         (mark_reg_death): Use remove_from_hard_reg_set.
14540         (mark_reg_live_nc): Delete.
14541         (set_preference): Use end_hard_regno.
14542         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14543         remove_from_hard_reg_set.
14544         (post_mark_life): Use add_to_hard_reg_set.
14545         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14546         (reg_becomes_live): Use add_to_hard_reg_set.
14547         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14548         (peep2_find_free_register): Use add_to_hard_reg_set.
14549         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14550         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14551         * regrename.c (note_sets): Use add_to_hard_reg_set.
14552         (clear_dead_regs): Use remove_from_hard_reg_set.
14553         (regrename_optimize): Use add_to_hard_reg_set.
14554         (find_oldest_value_reg): Use in_hard_reg_set_p.
14555         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14556         (hard_reg_set_here_p): Use end_hard_regno.
14557         (decompose): Likewise.
14558         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14559         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14560         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14561         (mark_home_live): Use end_hard_regno.
14562         (spill_hard_reg): Likewise.
14563         (clear_reload_reg_in_use): Likewise.
14564         * reorg.c (delete_prior_computation): Use END_REGNO.
14565         * resource.c (update_live_status): Use END_HARD_REGNO.
14566         (mark_referenced_resources): Use add_to_hard_reg_set.
14567         (mark_set_resources): Likewise.
14568         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14569         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14570         (reg_overlap_mentioned_p): Likewise.
14571         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14572         (covers_regno_no_parallel_p): Use END_REGNO.
14573         (find_regno_note): Likewise.
14574         (find_reg_fusage): Use END_HARD_REGNO.
14575         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14576         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14577
14578 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14579
14580         * mode-switching.c (reg_dies): Change type of second argument to
14581         "HARD_REG_SET *".
14582         (optimize_mode_switching): Update accordingly.
14583
14584 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14585
14586         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14587         in favor of...
14588         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14589         (hard_reg_set_empty_p): ...these new functions.
14590         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14591         GO_IF_HARD_REG_SUBSET.
14592         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14593         instead of GO_IF_HARD_REG_EQUAL.
14594         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14595         instead of GO_IF_HARD_REG_EQUAL.
14596         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14597         GO_IF_HARD_REG_SUBSET.
14598         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14599         GO_IF_HARD_REG_EQUAL.
14600         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14601         of GO_IF_HARD_REG_SUBSET.
14602         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14603         instead of GO_IF_HARD_REG_EQUAL.
14604         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14605         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14606         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14607         of GO_IF_HARD_REG_SUBSET,
14608         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14609         GO_IF_HARD_REG_SUBSET.
14610         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14611         instead of GO_IF_HARD_REG_EQUAL.
14612         * config/sh/sh.c (push_regs, calc_live_regs): Use
14613         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14614         (hard_regs_intersect_p): Delete.
14615
14616 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14617
14618         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14619
14620 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14621             Richard Henderson  <rth@redhat.com>
14622
14623         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14624         extra_headers.
14625         (x86_64-*-*): Likewise.
14626
14627         * i386/i386-modes.def (V2QI): New.
14628
14629         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14630         SSE4A.
14631         (override_options): Support SSE4.1.
14632         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14633         (IX86_BUILTIN_BLENDPS): Likewise.
14634         (IX86_BUILTIN_BLENDVPD): Likewise.
14635         (IX86_BUILTIN_BLENDVPS): Likewise.
14636         (IX86_BUILTIN_PBLENDVB128): Likewise.
14637         (IX86_BUILTIN_PBLENDW128): Likewise.
14638         (IX86_BUILTIN_DPPD): Likewise.
14639         (IX86_BUILTIN_DPPS): Likewise.
14640         (IX86_BUILTIN_INSERTPS128): Likewise.
14641         (IX86_BUILTIN_MOVNTDQA): Likewise.
14642         (IX86_BUILTIN_MPSADBW128): Likewise.
14643         (IX86_BUILTIN_PACKUSDW128): Likewise.
14644         (IX86_BUILTIN_PCMPEQQ): Likewise.
14645         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14646         (IX86_BUILTIN_PMAXSB128): Likewise.
14647         (IX86_BUILTIN_PMAXSD128): Likewise.
14648         (IX86_BUILTIN_PMAXUD128): Likewise.
14649         (IX86_BUILTIN_PMAXUW128): Likewise.
14650         (IX86_BUILTIN_PMINSB128): Likewise.
14651         (IX86_BUILTIN_PMINSD128): Likewise.
14652         (IX86_BUILTIN_PMINUD128): Likewise.
14653         (IX86_BUILTIN_PMINUW128): Likewise.
14654         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14655         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14656         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14657         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14658         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14659         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14660         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14661         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14662         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14663         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14664         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14665         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14666         (IX86_BUILTIN_PMULDQ128): Likewise.
14667         (IX86_BUILTIN_PMULLD128): Likewise.
14668         (IX86_BUILTIN_ROUNDPD): Likewise.
14669         (IX86_BUILTIN_ROUNDPS): Likewise.
14670         (IX86_BUILTIN_ROUNDSD): Likewise.
14671         (IX86_BUILTIN_ROUNDSS): Likewise.
14672         (IX86_BUILTIN_PTESTZ): Likewise.
14673         (IX86_BUILTIN_PTESTC): Likewise.
14674         (IX86_BUILTIN_PTESTNZC): Likewise.
14675         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14676         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14677         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14678         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14679         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14680         (bdesc_ptest): New.
14681         (bdesc_sse_3arg): Likewise.
14682         (bdesc_2arg): Likewise.
14683         (bdesc_1arg): Likewise.
14684         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
14685         with 3 args.
14686         (ix86_expand_sse_4_operands_builtin): New.
14687         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
14688         smaller than 8 bits as the 2nd arg.
14689         (ix86_expand_sse_ptest): New.
14690         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
14691         (ix86_expand_vector_set): Support SSE4.1.
14692         (ix86_expand_vector_extract): Likewise.
14693
14694         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
14695         __SSE4_1__ for -msse4.1.
14696
14697         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
14698         (UNSPEC_INSERTPS): Likewise.
14699         (UNSPEC_DP): Likewise.
14700         (UNSPEC_MOVNTDQA): Likewise.
14701         (UNSPEC_MPSADBW): Likewise.
14702         (UNSPEC_PHMINPOSUW): Likewise.
14703         (UNSPEC_PTEST): Likewise.
14704         (UNSPEC_ROUNDP): Likewise.
14705         (UNSPEC_ROUNDS): Likewise.
14706
14707         * config/i386/i386.opt (msse4.1): New for SSE4.1.
14708
14709         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
14710         (const_pow2_1_to_32768_operand): Likewise.
14711
14712         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
14713         file.
14714
14715         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
14716         SSE4.1.
14717         (sse4_1_insertps): Likewise.
14718         (*sse4_1_extractps): Likewise.
14719         (sse4_1_ptest): Likewise.
14720         (sse4_1_mulv2siv2di3): Likewise.
14721         (*sse4_1_mulv4si3): Likewise.
14722         (*sse4_1_smax<mode>3): Likewise.
14723         (*sse4_1_umax<mode>3): Likewise.
14724         (*sse4_1_smin<mode>3): Likewise.
14725         (*sse4_1_umin<mode>3): Likewise.
14726         (sse4_1_eqv2di3): Likewise.
14727         (*sse4_1_pinsrb): Likewise.
14728         (*sse4_1_pinsrd): Likewise.
14729         (*sse4_1_pinsrq): Likewise.
14730         (*sse4_1_pextrb): Likewise.
14731         (*sse4_1_pextrb_memory): Likewise.
14732         (*sse4_1_pextrw_memory): Likewise.
14733         (*sse4_1_pextrq): Likewise.
14734         (sse4_1_blendpd): Likewise.
14735         (sse4_1_blendps): Likewise.
14736         (sse4_1_blendvpd): Likewise.
14737         (sse4_1_blendvps): Likewise.
14738         (sse4_1_dppd): Likewise.
14739         (sse4_1_dpps): Likewise.
14740         (sse4_1_movntdqa): Likewise.
14741         (sse4_1_mpsadbw): Likewise.
14742         (sse4_1_packusdw): Likewise.
14743         (sse4_1_pblendvb): Likewise.
14744         (sse4_1_pblendw): Likewise.
14745         (sse4_1_phminposuw): Likewise.
14746         (sse4_1_extendv8qiv8hi2): Likewise.
14747         (*sse4_1_extendv8qiv8hi2): Likewise.
14748         (sse4_1_extendv4qiv4si2): Likewise.
14749         (*sse4_1_extendv4qiv4si2): Likewise.
14750         (sse4_1_extendv2qiv2di2): Likewise.
14751         (*sse4_1_extendv2qiv2di2): Likewise.
14752         (sse4_1_extendv4hiv4si2): Likewise.
14753         (*sse4_1_extendv4hiv4si2): Likewise.
14754         (sse4_1_extendv2hiv2di2): Likewise.
14755         (*sse4_1_extendv2hiv2di2): Likewise.
14756         (sse4_1_extendv2siv2di2): Likewise.
14757         (*sse4_1_extendv2siv2di2): Likewise.
14758         (sse4_1_zero_extendv8qiv8hi2): Likewise.
14759         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
14760         (sse4_1_zero_extendv4qiv4si2): Likewise.
14761         (*sse4_1_zero_extendv4qiv4si2): Likewise.
14762         (sse4_1_zero_extendv2qiv2di2): Likewise.
14763         (*sse4_1_zero_extendv2qiv2di2): Likewise.
14764         (sse4_1_zero_extendv4hiv4si2): Likewise.
14765         (*sse4_1_zero_extendv4hiv4si2): Likewise.
14766         (sse4_1_zero_extendv2hiv2di2): Likewise.
14767         (*sse4_1_zero_extendv2hiv2di2): Likewise.
14768         (sse4_1_zero_extendv2siv2di2): Likewise.
14769         (*sse4_1_zero_extendv2siv2di2): Likewise.
14770         (sse4_1_roundpd): Likewise.
14771         (sse4_1_roundps): Likewise.
14772         (sse4_1_roundsd): Likewise.
14773         (sse4_1_roundss): Likewise.
14774         (mulv4si3): Don't expand for SSE4.1.
14775         (smax<mode>3): Likewise.
14776         (umaxv4si3): Likewise.
14777         (uminv16qi3): Likewise.
14778         (umin<mode>3): Likewise.
14779         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
14780
14781         * doc/extend.texi: Document SSE4.1 built-in functions.
14782
14783         * doc/invoke.texi: Document -msse4.1.
14784
14785 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
14786
14787         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
14788         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
14789         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
14790         (ASM_SPEC): Add asm_pcrel_spec.
14791         (EXTRA_SPECS): Add asm_pcrel_spec.
14792
14793 2007-05-21  David Daney  <ddaney@avtrex.com>
14794
14795         * doc/install.texi (Building a cross compiler): Add requirements
14796         for Java cross compiler.
14797
14798 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14799
14800         PR middle-end/31995
14801         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
14802         Add loopno argument.  Use evolution_function_is_invariant_rec_p
14803         instead of evolution_function_is_constant_p.
14804         Update calls to evolution_function_is_affine_multivariate_p.
14805         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
14806         Add loopno argument.
14807         * tree-scalar-evolution.c (gather_chrec_stats): Call
14808         evolution_function_is_affine_multivariate_p with a loop
14809         number of 0.
14810         * tree-data-ref.c (analyze_miv_subscript): Likewise.
14811         (analyze_overlapping_iterations): Likewise.
14812         (access_functions_are_affine_or_constant_p): Likewise.
14813         (build_classic_dist_vector_1): If the access functions
14814         are equal, don't do anything.
14815
14816 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
14817             Paolo Carlini  <pcarlini@suse.de>
14818             Uros Bizjak  <ubizjak@gmail.com>
14819
14820         * c-cppbuiltin.c (c_cpp_builtins): Define
14821         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
14822         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
14823         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
14824         * doc/cpp.texi ([Standard Predefined Macros]): Document.
14825
14826 2007-05-21  Mike Stump  <mrs@apple.com>
14827
14828         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
14829         handling as well.
14830         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
14831
14832 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
14833
14834         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
14835         implementation if __OPTIMIZE__ is not defined.
14836         (_mm_alignr_pi8): Ditto.
14837         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
14838         (_mm_inserti_si64): Ditto.
14839         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
14840         (_mm_slli_epi16): Ditto.
14841         (_mm_slli_epi32): Ditto.
14842         (_mm_slli_epi64): Ditto.
14843         (_mm_srai_epi16): Ditto.
14844         (_mm_srai_epi32): Ditto.
14845         (_mm_srli_si128): Ditto.
14846         (_mm_slli_si128): Ditto.
14847         (_mm_srli_epi16): Ditto.
14848         (_mm_srli_epi32): Ditto.
14849         (_mm_srli_epi64): Ditto.
14850         (_mm_extract_epi16): Ditto.
14851         (_mm_insert_epi16): Ditto.
14852         (_mm_shufflehi_epi16): Ditto.
14853         (_mm_shufflelo_epi16): Ditto.
14854         (_mm_shuffle_epi32): Ditto.
14855         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
14856         (_m_pextrw): Ditto.
14857         (_mm_insert_pi16): Ditto.
14858         (_m_pinsrw): Ditto.
14859         (_mm_shuffle_pi16): Ditto.
14860         (_m_pshufw): Ditto.
14861         (_mm_shufle_ps): Ditto.
14862         (_mm_prefetch): Ditto.
14863
14864 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
14865
14866         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
14867         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
14868         * real.c (encode_i370_single, decode_i370_single,
14869         encode_i370_double, decode_i370_double): Functions removed.
14870         (i370_single_format, i370_double_format): Initializations removed.
14871         (real_maxval, round_for_format, exact_real_truncate, significand_size):
14872         Consider the log2_b field to always be one.
14873         (ieee_single_format, mips_single_format, coldfire_single_format,
14874         ieee_double_format, mips_double_format, coldfire_double_format,
14875         ieee_extended_motorola_format, ieee_extended_intel_96_format,
14876         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
14877         ibm_extended_format, mips_extended_format, ieee_quad_format,
14878         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
14879         decimal_single_format, decimal_double_format, decimal_quad_format,
14880         c4x_single_format, c4x_extended_format, real_internal_format): Remove
14881         initialization of log2_b.
14882         * real.h (i370_single_format, i370_double_format): Declarations
14883         removed.
14884         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
14885         field to always be one.
14886
14887 2007-05-21  Andreas Schwab  <schwab@suse.de>
14888
14889         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
14890         NOTE_INSN_BASIC_BLOCK_P.
14891         (process_for_unwind_directive): Likewise.
14892
14893 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
14894
14895         * builtins.c (expand_builtin_setjmp_setup): Update comment.
14896         * function.h (struct function): Move va_list_gpr_size,
14897         va_list_fpr_size, function_frequency to front of bitfields.  Add
14898         calls_unwind_init.
14899         (current_function_calls_unwind_init): New.
14900         * except.c (expand_builtin_unwind_init): Set
14901         current_function_calls_unwind_init not
14902         current_function_has_nonlocal_label.
14903         * reload1.c (has_nonexceptional_receiver): New.
14904         (reload): Use it and current_function_calls_unwind_init to
14905         determine whether call-saved regs must be saved.
14906
14907 2007-05-20  Jan Hubicka  <jh@suse.cz>
14908
14909         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
14910         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14911         * ddg.c (create_ddg): LIkewise.
14912         * final.c (final): Remove hunk moving line number notes around since
14913         they are no longer present at this stage.
14914         (final_scan_insn): Use NOTE_KIND instead of
14915         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14916         (output_asm_label): Likewise.
14917         * reorg.c (dbr_schedule): Likewise.
14918         * haifa-sched.c (unlink_other_notes): Likewise.
14919         * mode-switching.c (optimize_mode_switching): Likewise.
14920         * graph.c (start_bb): Likewise.
14921         * rtl.def (NOTE): Update description.
14922         * jump.c (squeeze_notes): Delete.
14923         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
14924         NOTE_INSN_BASIC_BLOCK_P when possible.
14925         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
14926         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
14927         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
14928         (dwarf2out_var_location): Likewise.
14929         * cfgbuild.c (make_edges): Likewise.
14930         (find_basic_blocks_1): Likewise.
14931         * function.c (reorder_blocks_1): Likewise.
14932         (epilogue_done): Likewise.
14933         (reposition_prologue_and_epilogue_notes): Likewise.
14934         * print-rtl.c (print_rtx): Likewise; drop code for printing
14935         line number notes.
14936         (print_rtl): Likewise.
14937         (print_rtl_single): Likewise.
14938         * gcse.c (insert_insn_start_bb): Likewise.
14939         * alias.c (init_alias_analysis): Likewise.
14940         * calls.c (fixup_tail_calls): Likewise.
14941         * except.c (sjlj_emit_function_enter): Likewise.
14942         * emit-rtl.c (add_insn_after): Likeiwse.
14943         (emit_label_before): Likewise.
14944         (emit_label_after): Likewise.
14945         (emit_note_before, emit_note_after, emit_note): Update
14946         parameter to be enum insn_note; do not deal with source
14947         files.
14948         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
14949         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
14950         when possible.
14951         (merge_blocks_move_successor_nojumps): Simplify now when
14952         we don't have BLOCK notes.
14953         (try_optimize_cfg): Likewise.
14954         * cfglayout.c (skip_insns_after_block): Likewise.
14955         (record_effective_endpoints): Likewise.
14956         (duplicate_insn_chain): Likewise.
14957         * varasm.c (output_constant_pool_1): Likewise.
14958         * sched-deps.c (sched_analyze): Likewise.
14959         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
14960         Exterminate.
14961         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
14962         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
14963         (SET_INSN_DELETED): Simplify.
14964         (NOTE_LINE_NUMBER): Exterminate.
14965         (NOTE_LINE_KIND): New.
14966         (NOTE_INSN_BASIC_BLOCK_P): Update.
14967         (enum insn_note): Simplify.
14968         (GET_NOTE_INSN_NAME) Simplify.
14969         (emit_note_before, emit_note_after, emit_note): Update prototype.
14970         (squeeze_notes): Remove.
14971         * sched-int.h (NOTE_NOT_BB_P): Update.
14972         * resource.c (mark_target_live_regs): Update.
14973         * sched-rgn.c (debug_dependencies): Update.
14974         * sched-vis.c (print_insn): Update.
14975         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
14976         * config/i386/i386.c (ix86_output_function_epilogue): Update.
14977         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
14978         (TARGET_ADJUST_UNROLL_MAX): Likewise.
14979         (split_branches): Update.
14980         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
14981         4.0.0.
14982         (sh_adjust_unroll_max): Exterminate.
14983         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
14984         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
14985         (m68hc11_reorg): Likewise.
14986         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
14987         (emit_predicate_relation_info): Update.
14988         (process_for_unwind_directive): Update.
14989         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
14990         (output_call): Update.
14991         * config/pa/pa.c (output_lbranch): Update.
14992         (output_millicode_call): Update.
14993         (output_call): Update.
14994         (pa_combine_instructions): Update.
14995         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
14996         * config/bfin/bfin.c (gen_one_bundle): Update.
14997         * cfgrtl.c (can_delete_note_p): Update.
14998         (delete_insn): Update.
14999         (rtl_merge_blocks): Update.
15000         (commit_one_edge_insertion): Update.
15001         (rtl_verify_flow_info): Update.
15002         * stmt.c (expand_case): Do not call squeeze_notes.
15003
15004 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15005
15006         PR middle-end/7651
15007         PR c++/11856
15008         PR c/12963
15009         PR c/23587
15010         PR other/29694
15011         * c.opt (Wtype-limits): New.
15012         * doc/invoke.texi (Wtype-limits): Document it.
15013         (Wextra): Enabled by -Wextra.
15014         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15015         * c-common.c (shorten_compare): Warn with Wtype-limits.
15016
15017 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15018
15019         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15020         inlined function, not as a macro.
15021         (_mm_alignr_pi8): Ditto.
15022         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15023         (_mm_inserti_si64): Ditto.
15024         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15025         (_mm_extract_epi16): Ditto.
15026         (_mm_insert_epi16): Ditto.
15027         (_mm_shufflehi_epi16): Ditto.
15028         (_mm_shufflelo_epi16): Ditto.
15029         (_mm_shuffle_epi32): Ditto.
15030         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15031         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15032         all functions.
15033         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15034         float constant.
15035         (_m_to_float): Use C89 compatible assignment.
15036
15037 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15038
15039         PR target/32007
15040         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15041
15042 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15043
15044         PR middle-end/7651
15045         * doc/invoke.texi (Wreturn-type): Complete description.
15046         (Wextra): Delete item about return-type warning.
15047         * c-decl.c: Delete redundant Wextra warning.
15048
15049 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15050
15051         PR target/31585
15052         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15053         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15054         inlined function, not as a macro.
15055         (_mm_prefetch): Ditto.
15056         (_m_pextrw): Ditto.
15057         (_mm_insert_pi16): Ditto.
15058         (_m_pinsrw): Ditto.
15059         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15060         (_m_pshufw): Ditto. Add const to __N argument.
15061         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15062         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15063         (_mm_slli_epi32): Ditto.
15064         (_mm_srli_si128): Implement as always inlined function, not as a
15065         macro.  Add __inline to function declaration.
15066         (_mm_slli_si128): Ditto.
15067
15068 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15069
15070         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15071         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15072         New constants.
15073         (struct fenv): New structure.
15074         (FP_HANDLE_EXCEPTIONS): New define.
15075         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15076         (_FP_DECL_EXP): New define.
15077         (FP_INIT_ROUNDMODE): New define.
15078         (FP_ROUNDMODE): New define.
15079
15080 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15081
15082         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15083         (Wconversion): Update description.
15084         (Wconversion-sign): New.
15085         * c.opt (Wconversion-sign): New.
15086         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15087         means disabled for C++. Otherwise, take the status of Wconversion.
15088         * c-common.c (conversion_warning): Warn with either Wconversion or
15089         Wconversion-sign.
15090         (warnings_for_convert_and_check): Conditions are already checked by
15091         conversion_warning.
15092         (convert_and_check): Don't check warnings if the conversion failed.
15093
15094 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15095            Anatoly Sokolov <aesok@dol.ru>
15096
15097         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15098         avr_epilogue_uses) : Add declaration.
15099         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15100         * config/avr/constraints.md (R): New constraint.
15101         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15102         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15103         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15104         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15105         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15106         call_prologue_saves, epilogue_restores, return_from_epilogue,
15107         return_from_main_epilogue, return_from_interrupt_epilogue,
15108         return_from_naked_epilogue, prologue, epilogue): New patterns.
15109         (jump): Handle symbol reference.
15110         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15111         avr_output_function_prologue, avr_output_function_epilogue): Remove
15112         functions.
15113         (avr_init_machine_status, expand_prologue, expand_epilogue,
15114         avr_asm_function_end_prologue, avr_epilogue_uses,
15115         avr_asm_function_begin_epilogue): New functions.
15116         (prologue_size, epilogue_size, jump_tables_size): Remove global
15117         variables.
15118         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15119         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15120         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15121         (avr_override_options): Initialise init_machine_status.
15122         (output_movhi): Handle all stack pointer loads.
15123         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15124         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15125         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15126         (EPILOGUE_USES) Redefine.
15127         (machine_function) Declare.
15128
15129 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15130
15131         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15132         Use a single return statement.
15133
15134 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15135
15136         PR middle-end/30250
15137         * builtins.c (do_mpfr_lgamma_r): New.
15138         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15139         * tree.h (CASE_FLT_FN_REENT): New.
15140
15141 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15142
15143         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15144         (output_die): Use 'unsigned long' with %x.
15145         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15146         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15147         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15148
15149         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15150
15151 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15152
15153         PR target/31989
15154         PR target/31681
15155         PR target/31666
15156         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15157         true if function has no argument.
15158
15159 2007-05-18  DJ Delorie  <dj@redhat.com>
15160
15161         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15162         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15163
15164 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15165
15166         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15167         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15168         count_trailing_zeros.
15169         (__i386__): Implement count_leading_zeros using __builtin_clz().
15170         Implement count_trailing_zeros usign __builtin_ctz().
15171
15172 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15173
15174         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15175
15176 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15177
15178         PR middle-end/31344
15179         * expr.c (emit_move_change_mode): Change mode of push operands here.
15180
15181 2007-05-17  Ian Lance Taylor  <iant@google.com>
15182
15183         PR tree-optimization/31953
15184         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15185         Change all callers.
15186         (set_value_range_to_null): Call set_value_range_to_value.
15187         (extract_range_from_comparison): Likewise.
15188
15189 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15190
15191         * toplev.c (print_version): Output GMP/MPFR version info.
15192
15193         * builtins.c (CASE_MATHFN_REENT): New macro.
15194         (mathfn_built_in): Use it.
15195         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15196         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15197         BUILT_IN_LGAMMAL_R): New.
15198         * doc/extend.texi: Document new builtins.
15199
15200         PR middle-end/31796
15201         * builtins.c (do_mpfr_remquo): New.
15202         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15203         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15204
15205         PR middle-end/30251
15206         * builtins.c (fold_builtin_1): Handle y0, y1.
15207         (fold_builtin_2): Handle yn.
15208
15209         PR middle-end/30251
15210         * builtins.c (do_mpfr_bessel_n): New.
15211         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15212         (fold_builtin_2): Handle BUILT_IN_JN.
15213
15214 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15215
15216         PR target/31965
15217         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15218         TYPE_PRECISION (intmax_type_node).
15219
15220 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15221
15222         PR target/31850
15223         * reload.c (subst_reloads): Remove checking.
15224
15225 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15226
15227         PR rtl-optimization/31691
15228         * combine.c (simplify_set): Build a new src pattern instead of
15229         substituting its operands in the COMPARE case.
15230
15231 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15232
15233         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15234         (execute_vrp): Preserve loops through jump threading.
15235         * tree-ssa-threadupdate.c (thread_single_edge,
15236         dbds_continue_enumeration_p, determine_bb_domination_status,
15237         thread_through_loop_header): New functions.
15238         (create_edge_and_update_destination_phis,
15239         create_edge_and_update_destination_phis): Set loops for the new blocks.
15240         (prune_undesirable_thread_requests): Removed.
15241         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15242         create new blocks.
15243         (thread_block): Do not call prune_undesirable_thread_requests.
15244         Update loops.
15245         (mark_threaded_blocks): Select edges to thread here.
15246         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15247         Thread edges through loop headers independently.
15248         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15249         * tree-pass.h (TODO_mark_first_instance): New.
15250         (first_pass_instance): Declare.
15251         * cfghooks.c (duplicate_block): Put the block to the original loop
15252         if copy is not specified.
15253         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15254         jump threading.  Pass may_peel_loop_headers to
15255         thread_through_all_blocks according to first_pass_instance.
15256         * cfgloop.h (create_preheader): Declare.
15257         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15258         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15259         * passes.c (first_pass_instance): New variable.
15260         (next_pass_1): Set TODO_mark_first_instance.
15261         (execute_todo): Set first_pass_instance.
15262
15263 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15264
15265         PR tree-optimization/24659
15266         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15267         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15268         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15269         OTI_vec_pack_ufix_trunc.
15270         (vec_unpacks_float_hi_optab): Define new macro.
15271         (vec_unpacks_float_lo_optab): Ditto.
15272         (vec_unpacku_float_hi_optab): Ditto.
15273         (vec_unpacku_float_lo_optab): Ditto.
15274         (vec_pack_sfix_trunc_optab): Ditto.
15275         (vec_pack_ufix_trunc_optab): Ditto.
15276         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15277         and vec_pack_[s|u]fix_trunc_optab using
15278         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15279         * tree-vectorizer.c (supportable_widening_operation): Handle
15280         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15281         (supportable_narrowing_operation): New function.
15282         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15283         * tree-vect-transform.c (vectorizable_conversion): Handle
15284         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15285         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15286         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15287         to check for target support.
15288         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15289         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15290         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15291         for VEC_PACK_FIX_TRUNC_EXPR.
15292         (expand_binop): Special case mode of the result for
15293         vec_pack_[u|s]fix_trunc_optab.
15294         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15295         vec_pack_[u|s]fix_trunc_optab.
15296
15297         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15298         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15299         * tree-pretty-print.c (dump_generic_node): Handle
15300         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15301         VEC_PACK_FIX_TRUNC_EXPR.
15302         (op_prio): Ditto.
15303         * expr.c (expand_expr_real_1): Ditto.
15304         * tree-inline.c (estimate_num_insns_1): Ditto.
15305         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15306
15307         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15308         (vec_unpacks_float_lo_v8hi): Ditto.
15309         (vec_unpacku_float_hi_v8hi): Ditto.
15310         (vec_unpacku_float_lo_v8hi): Ditto.
15311         (vec_unpacks_float_hi_v4si): Ditto.
15312         (vec_unpacks_float_lo_v4si): Ditto.
15313         (vec_pack_sfix_trunc_v2df): Ditto.
15314
15315         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15316         Document.
15317         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15318         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15319         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15320         [vec_pack_ufix_trunc]: Ditto.
15321         [vec_unpacks_float_hi]: Ditto.
15322         [vec_unpacks_float_lo]: Ditto.
15323         [vec_unpacku_float_hi]: Ditto.
15324         [vec_unpacku_float_lo]: Ditto.
15325
15326 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15327
15328         * soft-fp/README: Update for new files.
15329         * soft-fp/floattisf.c: New file.
15330         * soft-fp/floattidf.c: New file.
15331         * soft-fp/floattitf.c: New file.
15332         * soft-fp/floatuntisf.c: New file.
15333         * soft-fp/floatuntidf.c: New file.
15334         * soft-fp/floatuntitf.c: New file.
15335         * soft-fp/fixsfti.c: New file.
15336         * soft-fp/fixdfti.c: New file.
15337         * soft-fp/fixtfti.c: New file.
15338         * soft-fp/fixunssfti.c: New file.
15339         * soft-fp/fixunsdfti.c: New file.
15340         * soft-fp/fixunstfti.c: New file.
15341         * soft-fp/extendxftf.c: New file.
15342         * soft-fp/trunctfxf.c: New file.
15343
15344         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15345         (__trunctfxf2): Ditto.
15346
15347         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15348         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15349         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15350         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15351         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15352         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15353
15354         * config/i386/t-fprules-softfp64: New file.
15355         * config/i386/sfp-machine.h: New file.
15356         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15357         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15358         and soft-fp/t-softfp to tmake_file.
15359         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15360         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15361
15362         * config/i386/t-linux64 (softfp_wrap_start): New.
15363         (softfp_wrap_end): New.
15364         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15365         supported for TARGET_64BIT.
15366
15367 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15368
15369         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15370         c_common_unsigned_type behavior.
15371
15372 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15373
15374         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15375         calls as pure.
15376
15377 2007-05-16  Eric Christopher  <echristo@apple.com>
15378
15379         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15380         saving after stack push. Set sp_offset whenever we push.
15381         (rs6000_emit_epilogue): Move altivec register restore before
15382         stack push.
15383
15384 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15385
15386         * configure.ac: Allow sysroots to be relocated under $prefix as
15387         well as $exec_prefix.
15388         * configure: Regenerate.
15389
15390 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15391
15392         Revert:
15393
15394         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15395
15396         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15397         (gcc_tooldir): Likewise.
15398         * configure: Regenerate.
15399         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15400         old configure.ac gcc_tooldir setting.
15401         (prefix_to_exec_prefix): New variable.
15402         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15403         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15404
15405 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15406
15407         * c-typeck.c (build_binary_op): Return early for error.
15408
15409 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15410
15411         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15412         struct nb_iter_bound.
15413         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15414         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15415         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15416         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15417         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15418         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15419         (del_scev_info): Use ggc_free.
15420         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15421         * loop-init.c: Include ggc.h.
15422         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15423         (loop_optimizer_finalize): Use ggc_free.
15424         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15425         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15426         pass_iv_optimize): Add TODO_ggc_collect.
15427         * function.h (struct function): Remove skip marker from
15428         x_current_loops.
15429         * cfgloop.c: Include ggc.h.
15430         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15431         memory.
15432         (establish_preds): Vector superloops is gc allocated.
15433         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15434         loop->exits list.
15435         (flow_loops_find): Vector larray is gc allocated.
15436         (loop_exit_free): Use ggc_free.
15437         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15438         that head of exits list is now not a part of struct loop.
15439         (record_loop_exits): Allocate exits table in gc memory.
15440         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15441         that head of exits list is now not a part of struct loop.
15442         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15443         struct loop_exit): Add GTY marker.
15444         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15445         Add skip marker to aux field.  Make head of exits list a separate
15446         object.
15447         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15448         Add param marker to exits table.
15449         (get_loops): Type changed.
15450         * Makefile.in (tree-scalar-evolution.o): Add
15451         gt-tree-scalar-evolution.h dependency.
15452         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15453         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15454         * basic-block.h (struct basic_block_def): Remove skip marker from
15455         loop_father field.
15456
15457 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15458
15459         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15460         of 0 in the call to expand_expr().
15461         (expand_builtin_mathfn_3): Ditto.
15462         (expand_builtin_interclass_mathfn): Ditto.
15463         (expand_builtin_cexpi): Ditto.
15464         (expand_builtin_int_roundingfn): Ditto.
15465         (expand_builtin_int_roundingfn_2): Ditto.
15466         (expand_builtin_pow): Ditto.
15467         (expand_builtin_powi): Ditto.
15468         (expand_builtin_bswap): Ditto.
15469         (expand_builtin_unop): Ditto.
15470         (expand_builtin_fabs): Ditto.
15471         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15472         the call to expand_expr().
15473         (expand_builtin_sync_operation): Ditto.
15474         (expand_builtin_compare_and_swap): Ditto.
15475         (expand_builtin_lock_test_and_set): Ditto.
15476         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15477         instead of 0 in the call to expand_expr().
15478         (expand_builtin_extract_return_addr): Ditto.
15479         (expand_builtin_eh_return): Ditto.
15480         (expand_eh_return): Ditto.
15481         * explow.c (expr_size): Ditto.
15482         * expr.c (optimize_bitfield_assignment_op): Ditto.
15483         (expand_assignement): Ditto.
15484         (store_expr): Ditto.
15485         (store_field): Ditto.
15486         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15487         the call to expand_expr().
15488         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15489         in the call to expand_expr().
15490         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15491         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15492         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15493         of expand_expr().
15494         * optabs.c (expand_vec_shift_expr): Ditto.
15495         (expand_vec_cond_expr): Ditto.
15496         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15497         call to expand_expr().
15498         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15499         in the call to expand_expr().
15500
15501 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15502
15503         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15504
15505 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15506
15507         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15508         instead of c_common_unsigned_type.
15509         (c_common_unsigned_type): Remove.
15510         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15511         c_common_unsigned_type.
15512         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15513         c_common_unsigned_type.
15514         * c-common.h (c_common_unsigned_type): Remove.
15515         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15516         c_common_unsigned_type.
15517         * c-format.c (check_format_types): Use unsigned_type_for instead of
15518         c_common_unsigned_type.
15519         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15520         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15521         of c_common_unsigned_type.
15522         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15523         lang_hooks.types.unsigned_type.
15524         * expmed.c (make_tree): Use unsigned_type_for instead of
15525         lang_hooks.types.unsigned_type.
15526         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15527         lang_hooks.types.unsigned_type.
15528         (build_range_check): Likewise.
15529         (fold_unary): Likewise.
15530         (fold_binary): Likewise.
15531         (fold_ternary): Likewise.
15532         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15533         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15534         * tree.c (get_unsigned_type): New.
15535         (unsigned_type_for): Use get_unsigned_type instead of
15536         lang_hooks.types.unsigned_type.
15537
15538 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15539
15540         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15541         to m68k_get_function_kind.  Update its prototype.
15542         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15543         interrupt_thread.
15544         (m68k_interrupt_function_p): Return enum m68k_function_type
15545         instead of bool.  Rename to m68k_get_function_kind.
15546         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15547         target is not fido.
15548         (m68k_compute_frame_layout): Don't mark any register for save
15549         if an interrupt_thread attribute is specified.
15550         (m68k_hard_regno_rename_ok): Update a use of
15551         m68k_interrupt_function_p.
15552         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15553         m68k_interrupt_function_p.
15554         (m68k_function_type): New.
15555         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15556         for a function with an interrupt_thread attribute.
15557         * doc/extend.texi: Document the interrupt_thread attribute.
15558
15559 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15560
15561         Fix PR tree-optimization/31911
15562         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15563         if they didn't change the expression.
15564
15565 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15566
15567         * tree-scalar-evolution.c (resolve_mixers): Exported.
15568         * tree-scalar-evolution.h (resolve_mixers): Declare.
15569         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15570         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15571         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15572         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15573         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15574         strip_conversion, analyze_offset_expr, address_analysis,
15575         object_analysis, analyze_offset): Removed.
15576         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15577         split_constant_offset, canonicalize_base_object_address,
15578         object_address_invariant_in_loop_p, disjoint_objects_p,
15579         dr_may_alias_p, dr_address_invariant_p): New functions.
15580         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15581         and dr_analyze_alias.
15582         (initialize_data_dependence_relation): Use dr_may_alias_p
15583         and object_address_invariant_in_loop_p.
15584         (compute_self_dependence): Handle the case when
15585         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15586         (find_data_references_in_stmt): Restrict the analysis of data
15587         references to the given loop nest.
15588         (find_data_references_in_loop): Made static.  Pass loop nest to
15589         find_data_references_in_stmt.
15590         (compute_data_dependences_for_loop): Use DR_VOPS.
15591         (free_data_ref): Free DR_VOPS.
15592         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15593         (struct innermost_loop_behavior): ... new.
15594         (struct base_object_info): Replaced by ...
15595         (struct indices): ... new.
15596         (struct dr_alias): New.
15597         (enum data_ref_type): Removed.
15598         (struct data_reference): Consist of struct innermost_loop_behavior,
15599         struct indices and struct dr_alias.
15600         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15601         (DR_MEMTAG): Renamed to ...
15602         (DR_SYMBOL_TAG): ... this.
15603         (find_data_references_in_loop): Declaration removed.
15604         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15605         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15606         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15607         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15608
15609 2007-05-13  Revital Eres  <eres@il.ibm.com>
15610
15611         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15612         which walks virtual def-use chains to find redundant stores.
15613         (dse_optimize_stmt): Call it.
15614
15615 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15616
15617         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15618         * passes.c (init_optimization_passes): Move pass_jump_bypass
15619         after loop2.
15620
15621         * basic-block.h (bb_has_eh_pred): Fix style issue.
15622
15623 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15624
15625         PR rtl-optimization/31848
15626         * loop-invariant.c (move_invariant_reg): If we move an insn
15627         with a REG_EQUAL note, and that insn is not always executed,
15628         remove the REG_EQUAL note.
15629
15630 2007-05-12  Richard Guenther  <rguenther@suse.de>
15631
15632         PR tree-optimization/31797
15633         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15634         propagate into a stmt that has volatile ops.
15635
15636 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15637
15638         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15639         (gcc_tooldir): Likewise.
15640         * configure: Regenerate.
15641         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15642         old configure.ac gcc_tooldir setting.
15643         (prefix_to_exec_prefix): New variable.
15644         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15645         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15646
15647 2007-05-11  Silvius Rus  <rus@google.com>
15648
15649         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15650         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15651         * c-common.h (strict_aliasing_warning): Change return type.
15652         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15653         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15654         (build_c_cast): Condition call to strict_aliasing_warning.
15655         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15656         * flags.h (set_Wstrict_aliasing): Declare.
15657         * opts.c (set_Wstrict_alising): Define, add call to.
15658         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15659         * tree-ssa-alias-warnings.c: New file.
15660         * tree-ssa-alias.c (compute_may_aliases): Add call to
15661         strict_aliasing_warning_backend.
15662
15663 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15664
15665         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15666         Use loop_depth and loop_outer accessor functions.
15667         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15668         determine_invariantness_stmt, move_computations_stmt): Ditto.
15669         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15670         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15671         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15672         * tree-scalar-evolution.c (interpret_loop_phi,
15673         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15674         instantiate_parameters_1, scev_const_prop): Ditto.
15675         * cfghooks.c (make_forwarder_block): Ditto.
15676         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15677         * modulo-sched.c (loop_canon_p): Ditto.
15678         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15679         slpeel_can_duplicate_loop_p): Ditto.
15680         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
15681         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
15682         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
15683         cancel_loop, verify_loop_structure): Ditto.
15684         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
15685         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
15686         superloops vector instead of "pred" array.
15687         (establish_preds): Take father loop as an argument.  Initialize the
15688         superloops vector.
15689         (flow_loop_tree_node_add): Pass father loop to establish_preds.
15690         Do not initialize loop->outer.
15691         (flow_loop_tree_node_remove): Truncate the superloops vector.
15692         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
15693         "pred" merged to "superloops" vector.
15694         (loop_depth, loop_outer): New.
15695         (fel_init): Use loop_outer.
15696
15697 2007-05-11  Jan Hubicka  <jh@suse.cz>
15698
15699         * cgraphunit.c: Include gt-cgraphunit.h
15700         (static_ctors, static_dtors): New static vars.
15701         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
15702         based on implementation in c-common.c
15703         (cgraph_finalize_function): Call record_cdtor_fn.
15704         (cgraph_optimize): Call cgraph_build_cdtor_fns.
15705         * decl.c (finish_function): Do not call c_record_cdtor_fn.
15706         (c_write_global_declarations): Do not call c_build_cdtor_fns.
15707         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
15708         build_cdtor, c_build_cdtor_fns): Remove.
15709         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
15710         c_build_cdtor_fns): Remove prototype.
15711
15712 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
15713
15714         PR other/31852
15715         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
15716         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
15717         * builtins.c (fold_builtin_memchr): New.
15718         (expand_builtin_memchr): Call the latter.
15719         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
15720         * doc/extend.texi ([Other built-in functions provided by GCC]):
15721         Document memchr.
15722
15723 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15724
15725         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
15726         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
15727         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
15728         PFPO_OP1_TYPE_SHIFT): Constants added.
15729         (DFP_ALL): Mode macro defined.
15730         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
15731         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
15732         Insn definitions added.
15733         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
15734         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
15735         Expanders added.
15736
15737 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
15738
15739         PR tree-optimization/31885
15740         * tree-chrec.c (chrec_contains_undetermined): Do not consider
15741         NULL_TREE to be undetermined.
15742         (automatically_generated_chrec_p): Return false for NULL.
15743
15744 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15745
15746         * config/bfin/bfin.h (MOVE_RATIO): Define.
15747
15748 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
15749
15750         * config.gcc (sparc-wrs-vxworks): New target.
15751         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
15752         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
15753         * config/sparc/sparc.h: Include vxworks-dummy.h.
15754         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
15755         include LABEL_REFs too.
15756         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
15757         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
15758         VxWorks.
15759         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
15760         on VxWorks.
15761         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
15762         (sparc_emit_call_insn): New function.
15763         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
15764         functions when generating VxWorks PIC.
15765         * config/sparc/sparc.md (vxworks_load_got): New pattern.
15766         (call, call_value): Use sparc_emit_call_insn instead of
15767         emit_call_insn.
15768
15769 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15770
15771         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
15772
15773 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
15774
15775         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
15776         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
15777         split_double instead of operand_subword.
15778
15779 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
15780
15781         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
15782         * config/bfin/bfin.c (bfin_local_alignment): New function.
15783         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
15784
15785 2007-05-08  Chao-ying Fu  <fu@mips.com>
15786
15787         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
15788         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
15789         (smsub_widen_optab, umsub_widen_optab): Define.
15790         * optabs.c (init_optabs): Initialize smsub_widen_optab and
15791         umsub_widen_optab.
15792         * genopinit.c (optabs): Fill in smsub_widen_optab and
15793         umsub_widen_optab.
15794         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
15795         and umsub_widen_optab to implement multiply-subtract sequences.
15796         * config/mips/mips.md (*msac<u>_di): Rename to...
15797         (<u>msubsidi4): ...this.  Extend condition to include
15798         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
15799         of operand 0 to "ka" and use the three-operand form of msub<u>
15800         for TARGET_DSPR2.
15801         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
15802         to define_expands.
15803
15804 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15805
15806         PR rtl-optimization/28011
15807         * reload.c (push_reload): Set dont_share if IN appears in OUT
15808         also when IN is a PLUS rtx.
15809         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
15810         are same PLUS rtx.
15811
15812 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
15813
15814         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
15815         call unshare_all_decls.
15816         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
15817         (unshare_all_decls): Remove.
15818
15819 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
15820
15821         PR 31847
15822         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
15823         dumps.
15824
15825 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
15826             Nigel Stephens  <nigel@mips.com>
15827
15828         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
15829         Update comments and all uses.
15830         (MIN_FPRS_PER_FMT): Define.
15831         * config/mips/mips.c (function_arg): Fix to correctly handle
15832         the -mips32r2 -mfp64 -mabi=32 case.
15833         (override_options): Enable use of odd-numbered registers for
15834         SFmode values on MIPS32.
15835         (mips_save_reg_p): Save whole floating-point register pair if
15836         either half is used.
15837         (compute_frame_size): Fix comment.
15838
15839 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
15840
15841         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
15842         argument of type bool.
15843         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
15844         argument. Safely select temporary P register according to it.
15845         (do_link): Change call site of add_to_reg accordingly.
15846         (do_unlink): Add epilogue_p as a fourth argument and pass it
15847         to add_to_reg.
15848         (expand_interrupt_handler_epilogue): Change call of do_unlink
15849         accordingly.
15850         (bfin_expand_prologue): Add a third argument sibcall_p.
15851         * config/bfin/bfin.md (epilogue): Change call of
15852         bfin_expand_epilogue accordingly.
15853         (sibcall_epilogue): Likewise.
15854         (eh_return_internal): Likewise.
15855
15856         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
15857         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
15858         * config/bfin/bfin.c (bfin_handle_option): Handle
15859         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
15860         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
15861         Support bf534, bf536 and bf561.
15862         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
15863
15864 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
15865
15866         PR target/31854
15867         * config/i386/i386.c (ix86_function_regparm): Process local
15868         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
15869
15870 2007-05-07  Mike Stump  <mrs@apple.com>
15871
15872         * doc/invoke.texi (Warning Options): Document that -Wempty-body
15873         also checks for and while statements in C++.
15874
15875 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
15876
15877         * gcc.c (at_file_supplied): New variable.
15878         (main): Set it if we expanded argv.
15879         (do_spec_1): Pass an @-file to the linker if we were called with
15880         an @-file argument and HAVE_GNU_LD.
15881         * collect2.c (at_file_supplied): New variable.
15882         (response_file): New variable.
15883         (collect_exit): Unlink response_file if necessary.
15884         (handler): Likewise.
15885         (do_wait): Likewise.
15886         (main): Set at_file_supplied if we expanded argv.
15887         (collect_execute): Pass an @-file to subprocesses if we were called
15888         with an @-file argument.
15889         * configure.ac: Add define for HAVE_GNU_LD.
15890         * configure: Regenerate.
15891         * config.in: Regenerate.
15892
15893 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
15894
15895         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
15896         operand to HI mode.
15897         (mulsi3): New.
15898         (divsi3): New.
15899         (udivsi3): New.
15900
15901 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
15902
15903         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15904         (TARGET_ENCODE_SECTION_INFO): Re-define.
15905         (m32c_encode_section_info): New
15906         (function_vector_handler): New
15907         (current_function_special_page_vector): New
15908         (m32c_special_page_vector_p): New.
15909         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
15910         Prototype.
15911         * config/m32c/jump.md: Added instruction JSRS for functions
15912         with attribute "function_vector".
15913         * doc/extend.texi (function_vector): Added description
15914         for M16C, M32C targets.
15915
15916 2007-05-07  DJ Delorie  <dj@redhat.com>
15917
15918         PR 31794
15919         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
15920         ashrpsi3, lshrpsi3): Update shift count constraint.
15921
15922 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
15923             Nathan Froyd  <froydnj@codesourcery.com>
15924
15925         PR 22133
15926         * c-incpath.c (add_path): Strip trailing path separators.
15927
15928 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
15929
15930         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
15931         Free dominance info before purging EH edges.
15932         (eliminate_degenerate_phis): Likewise.
15933         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
15934
15935 2007-05-07  Jan Hubicka  <jh@suse.cz>
15936
15937         * gimplify.c (gimplify_expr): Do not crash when folding
15938         (void *)(int)&a + 4.
15939
15940 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
15941
15942         PR driver/31694
15943         * c-opts.c (lang_fortran): Make it non static.
15944         * c-common.h (lang_fortran): New prototype.
15945         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
15946         -lang-fortran option was passed by the driver.
15947
15948 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
15949
15950         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
15951         of ASSERT_CHECKING.  Tweak message.
15952
15953 2007-05-06  Revital Eres  <eres@il.ibm.com>
15954
15955         PR 30957
15956         * loop-unroll.c (insert_var_expansion_initialization):
15957         Initialize the expansions with -zero instead of +zero.
15958
15959 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
15960
15961         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
15962         into pic and non-pic versions. Mark r19 as used for
15963         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
15964         for tgd_load, tld_load and tie_load .
15965         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
15966         version of tgd_load, tld_load and tie_load depending on the
15967         value of flag_pic.
15968
15969 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
15970             Jakub Jelinek  <jakub@redhat.com>
15971
15972         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
15973         (__do_global_dtors_aux): Use more paranoid loop to run
15974         destructors if HIDDEN_DTOR_LIST_END.
15975         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
15976
15977 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
15978
15979         * varasm.c (align_variable): Don't increase alignment for
15980         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
15981         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
15982
15983 2007-05-04  Josh Conner  <jconner@apple.com>
15984
15985         * basic-block.h (cdi_direction): Assign values to all enumeration
15986         constants.
15987         (dom_computed): Remove.
15988         (dom_info_state): New.
15989         (set_dom_info_availability): New.
15990         * tree-ssa-loop-im.c (determine_invariantness): Initialize
15991         walk_data.dom_direction.
15992         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
15993         instead of dom_computed[].
15994         (split_edge): Likewise.
15995         (create_basic_block): Likewise.
15996         (merge_blocks): Likewise.
15997         * ifcvt.c (find_if_header): Likewise.
15998         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
15999         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16000         * tree-ssa.c (verify_ssa): Likewise.
16001         * tree-cfg.c (tree_verify_flow_info): Likewise.
16002         (remove_edge_and_dominated_blocks): Likewise.
16003         * dominance.c (dom_computed): Make static.
16004         (calc_dfs_tree_nonrec): Change third param to a bool.
16005         (calc_dfs_tree): Change second param to a bool.
16006         (calc_idioms): Change second param to a bool.  Use
16007         dom_convert_dir_to_idx.
16008         (init_dom_info): Validate dir before using.
16009         (dom_convert_dir_to_idx): New.
16010         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16011         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16012         (free_dominance_info): Use dom_convert_dir_to_idx.
16013         (get_immediate_dominator): Likewise.
16014         (set_immediate_dominator): Likewise.
16015         (get_dominated_by): Likewise.
16016         (redirect_immediate_dominators): Likewise.
16017         (nearest_common_denominator): Likewise.
16018         (dominated_by_p): Likewise.
16019         (bb_dom_dfs_in): Likewise.
16020         (bb_dom_dfs_out): Likewise.
16021         (recount_dominator): Likewise.
16022         (iterate_fix_dominators): Likewise.
16023         (add_to_dominance_info): Likewise.
16024         (delete_from_dominance_info): Likewise.
16025         (first_dom_son): Likewise.
16026         (next_dom_son): Likewise.
16027         (dom_info_available_p): Likewise.
16028         (dom_info_state): New.
16029         (set_dom_info_availability): New.
16030
16031 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16032
16033         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16034         Expander removed.
16035         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16036
16037 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16038
16039         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16040         (subdi3, subdi_carry): Delete.
16041
16042 2007-05-04  Jan Hubicka  <jh@suse.cz>
16043             Richard Guenther  <rguenther@suse.de>
16044
16045         * opts.c (decode_options): Do not fiddle with inlining
16046         parameters in case of optimizing for size.
16047         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16048         for size do nothing.
16049         (cgraph_decide_inlining_of_small_function): When optimizing for
16050         size never inline functions increasing caller size.
16051         (cgraph_early_inlining): Inline for size when optimizing for size.
16052
16053 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16054
16055         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16056         logical operations piecewise.
16057         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16058         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16059         subdi_sesidi_di): Delete.
16060         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16061         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16062         the rtl expression for carry to avoid zero_extend of a constant.
16063         (sub_with_carry): New pattern.
16064         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16065         different sequence not involving jumps.
16066         (notbi): Now a named pattern.
16067
16068 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16069
16070         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16071         Add the note about a significant loss of accuracy of some
16072         mathematical routines when these options are used.
16073
16074 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16075
16076         * haifa-sched.c (rtx_vec_t): New typedef.
16077         (contributes_to_priority_p): Extract piece of priority () into new
16078         static function.
16079         (priority): Use the function.  Add assertion.
16080         (rank_for_schedule, set_priorities): Add assertion to check that
16081         insn's priority is initialized.
16082         (clear_priorities, calc_priorities): Change signature.  Make it update
16083         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16084         and 'create_block_check_twin ()').
16085         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16086         Add new field 'priority_status'.
16087         (INSN_PRIORITY_STATUS): New macro.
16088         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16089
16090 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16091
16092         * sched-ebb.c (debug_ebb_dependencies): New static function.
16093         (init_ready_list): Use it.
16094
16095         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16096         with changed signature and 'debug_rgn_dependencies ()'.
16097         (debug_rgn_dependencies): New static function.
16098         (init_ready_list): Use it.
16099
16100         * sched-int.h (debug_dependencies): Declare.
16101
16102 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16103
16104         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16105
16106 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16107
16108         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16109
16110 2007-05-03  Jan Hubicka  <jh@suse.cz>
16111
16112         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16113         ((T1)X op (T1)Y), for pointer type in more cases than before.
16114
16115         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16116
16117         * tree-object-size.c (plus_expr_object_size): When operand size is
16118         unknown, return unknown.
16119
16120 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16121
16122         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16123
16124         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16125         options.
16126
16127         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16128
16129 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16130
16131         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16132
16133 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16134
16135         * config/soft-fp/double.h, config/soft-fp/extended.h,
16136         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16137         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16138         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16139         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16140         glibc CVS.
16141
16142 2007-05-03  Ian Lance Taylor  <iant@google.com>
16143
16144         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16145         MASK_PPC_GFXOPT for 8540 or 8548.
16146
16147 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16148
16149         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16150         vect_print_dump_info() to output debug information.
16151
16152 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16153
16154         PR target/31768
16155         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16156         operands of size 2 when operand is not MEM_P.
16157
16158 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16159
16160         PR tree-optimization/30565
16161         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16162
16163 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16164
16165         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16166         (umulsi3_highpart): Use them.
16167         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16168         for final accumulator to D regisster tranfser.
16169
16170 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16171
16172         PR tree-optimization/31699
16173         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16174         wrong code.
16175         (vect_enhance_data_refs_alignment): Compute peel amount using
16176         TYPE_VECTOR_SUBPARTS instead of vf.
16177         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16178
16179 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16180
16181         PR bootstrap/31776
16182         * system.h: Remove inclusion of double-int.h
16183         * tree.h: Include double-int.h
16184         * gengtype.c: Likewise
16185         * cfgloop.h: Likewise
16186         * Makefile.in: Adjust dependencies on double-int.h
16187
16188 2007-05-02  Eric Christopher  <echristo@apple.com>
16189
16190         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16191         -shared to -Zdynamiclib.
16192
16193 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16194
16195         PR c++/31663
16196         * c-common.c (strip_pointer_or_array_types): New function.
16197         * c-common.h (strip_pointer_or_array_types): New function declaration.
16198
16199 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16200
16201         PR tree-optimization/31771
16202         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16203
16204 2007-05-02  Paul Brook  <paul@codesourcery.com>
16205
16206         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16207
16208 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16209
16210         PR middle-end/29715
16211         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16212         transformation.
16213
16214 2007-05-02  Nick Clifton  <nickc@redhat.com>
16215
16216         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16217
16218 2007-05-02  Richard Guenther  <rguenther@suse.de>
16219
16220         PR tree-optimization/31146
16221         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16222         argument, single_use_p.  If we have a single use that is
16223         a conversion to the definition rhs type, propagate that rhs.
16224         (forward_propagate_addr_expr): Pass single_use_p argument
16225         to forward_propagate_addr_expr_1.
16226
16227 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16228
16229         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16230         variable.
16231
16232 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16233
16234         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16235         'AMD Family 10 core'.
16236
16237 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16238
16239         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16240         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16241         with SSE3 instruction set support.
16242         * doc/invoke.texi: Likewise.
16243
16244 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16245
16246         * config/i386/i386.c (override_options): Tuning 32-byte loop
16247         alignment for amdfam10 architecture. Increasing the max loop
16248         alignment to 24 bytes.
16249
16250 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16251
16252         * config/m68k/constraints.md: New.
16253         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16254         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16255         EXTRA_CONSTRAINT): Remove.
16256         * config/m68k/m68k.md: Include constraints.md.
16257         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16258
16259 2007-05-01  Ian Lance Taylor  <iant@google.com>
16260
16261         PR tree-optimization/31739
16262         * tree-vrp.c (vrp_val_is_max): New static function.
16263         (vrp_val_is_min): New static function.
16264         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16265         copying the node.
16266         (set_value_range): Use vrp_val_is_{max,min}.
16267         (extract_range_from_assert): Likewise.
16268         (extract_range_from_binary_expr): Likewise.
16269         (extract_range_from_unary_expr): Likewise.
16270         (dump_value_range, vrp_meet): Likewise.
16271         (vrp_visit_phi_node): Likewise.
16272         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16273
16274 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16275
16276         * config/i386/gmon-sol2.c (size_t): New type.
16277         (intptr_t): Likewise.
16278         (s_textsize): Declare as size_t.
16279         (sbrk): Declare.
16280         (monstartup): Use size_t for sizes.
16281         (_mcount): Save and restore registers.
16282         (internal_mcount): Pass 0 as the first argument to monstartup
16283         in 64-bit mode.
16284         (moncontrol): Convert pointer to appropriately sized integer
16285         before passing to profil.
16286
16287 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16288
16289         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16290         __NO_FPRS__, not just if _SOFT_DOUBLE.
16291         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16292         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16293         also for E500 double.
16294         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16295         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16296         && !TARGET_FPRS).
16297
16298 2007-05-01  Richard Guenther  <rguenther@suse.de>
16299
16300         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16301         is NULL.
16302
16303 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16304
16305         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16306
16307 2007-05-01  Jan Hubicka  <jh@suse.cz>
16308
16309         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16310         invariant.
16311
16312 2007-05-01  Jan Hubicka  <jh@suse.cz>
16313
16314         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16315         (maybe_fold_offset_to_reference): Declare.
16316         * fold-const.c (fold_unary): Do not fold
16317         (type *)&A into &A->field_of_type_and_offset_0
16318         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16319         size is unknown, give up.
16320         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16321         offsets.
16322         (maybe_fold_offset_to_reference): New.
16323         (maybe_fold_stmt_indirect): Use it.
16324         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16325         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16326         field references.
16327         (gimplify_expr): Likewise for plus_expr.
16328
16329 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16330
16331         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16332         bsi_after_labels.  Always insert statements before bsi.
16333         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16334         * predict.c (apply_return_prediction): Check for empty blocks.
16335         * cfgexpand.c (lab_rtx_for_bb): New variable.
16336         (label_rtx_for_bb): Do not create new tree labels.
16337         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16338         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16339         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16340         creating edges.
16341         (label_for_bb): Add field used.
16342         (update_eh_label, main_block_label): Mark the label used.
16343         (cleanup_dead_labels): Remove unused labels.
16344
16345 2007-05-01  Richard Guenther  <rguenther@suse.de>
16346
16347         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16348         if it is not about to be set.
16349         (get_value_range): Do not pre-allocate equiv bitmap.
16350         (update_value_range): No need to clear equiv field.
16351         (add_equivalence): Change prototype to get bitmap pointer.
16352         Allocate bitmap here if it is not already.
16353         (extract_range_from_assert): Do not allocate bitmap here.
16354         Update callers to add_equivalence.
16355         (extract_range_from_ssa_name): Likewise.
16356         (get_vr_for_comparison): New static helper.
16357         (compare_name_with_value): Handle NULL equiv bitmap by
16358         peeling the first iteration of the comparison loop.
16359         Use get_vr_for_comparison.
16360         (compare_names): Handle NULL equiv bitmaps by using fake
16361         ones.  Use get_vr_for_comparison.
16362
16363 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16364
16365         * double-int.c (mpz_set_double_int): Moved from
16366         tree-ssa-loop-niter.c.
16367         (mpz_get_double_int): Likewise; also, add option to wrap
16368         out-of-range integers.
16369         * double-int.h: New prototypes for above.
16370         * tree.c (get_static_type_bounds): Moved from
16371         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16372         TYPE_MAX_VALUE if they exist..
16373         * tree.h: New prototype for above.
16374         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16375         get_type_bounds calls.
16376         (mpz_set_double_int): Move to double-int.c.
16377         (get_type_bounds): Move to tree.c, rename to
16378         get_static_type_bounds.
16379         (mpz_to_double_int): Move to double-int.c, rename to
16380         mpz_get_double_int.
16381
16382 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16383
16384         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16385         DIV0 exception can fall through to a normal return.
16386
16387 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16388
16389         PR middle-end/22156
16390         Temporarily revert:
16391         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16392         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16393         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16394         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16395         initialize align to silence bogus warning.
16396         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16397         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16398         all_no_warning.
16399         (struct sra_walk_fns): Remove use_all parameter from use.
16400         (sra_hash_tree): Handle BIT_FIELD_REFs.
16401         (sra_elt_hash): Don't hash bitfld blocks.
16402         (sra_elt_eq): Skip them in parent compares as well.  Handle
16403         BIT_FIELD_REFs.
16404         (sra_walk_expr): Don't maintain or pass down use_all_p.
16405         (scan_use): Remove use_all parameter.
16406         (scalarize_use): Likewise.  Re-expand assignment to
16407         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16408         output, and re-scalarize after output.  Don't mark anything
16409         for no warning.
16410         (scalarize_ldst): Adjust.
16411         (scalarize_walk_gimple_modify_statement): Likewise.
16412         (build_element_name_1): Handle BIT_FIELD_REFs.
16413         (instantiate_element): Don't warn for any element whose parent
16414         is used as a whole.
16415         (instantiate_missing_elements_1): Return the sra_elt.
16416         (canon_type_for_field): New.
16417         (try_instantiate_multiple_fields): New.
16418         (instantiate_missing_elemnts): Use them.
16419         (mark_no_warning): Removed.
16420         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16421         (REPLDUP, sra_build_elt_assignment): New.
16422         (generate_copy_inout): Use them.
16423         (generate_element_copy): Likewise.  Handle bitfld differences.
16424         (generate_element_zero): Don't recurse for blocks.  Use
16425         sra_build_elt_assignment.
16426         (generate_one_element_int): Take elt instead of var.  Use
16427         sra_build_elt_assignment.
16428         (generate_element_init_1): Adjust.
16429         (scalarize_use, scalarize_copy): Use REPLDUP.
16430         (scalarize_ldst): Move assert before dereference.
16431         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16432
16433 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16434
16435         PR C++/31721
16436         * tree.c (reconstruct_complex_type): Reconstruct a reference
16437         correctly.
16438         Also use the same mode for the pointer as the old pointer type.
16439
16440 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16441
16442         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16443         Fortran compiler.
16444
16445 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16446
16447         PR rtl-optimization/31676
16448         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16449         (df_refs_record): Call it.
16450
16451 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16452
16453         * rtl.def (SS_ABS): New code.
16454         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16455         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16456         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16457         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16458         (bfin_init_builtins): Define them.
16459         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16460         (bfin_expand_builtin): ... and handle the others here.
16461         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16462         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16463         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16464         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16465         operand is only HImode.
16466
16467 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16468
16469         * regclass.c (scan_one_insn): Remove splitting of
16470         two address insns.
16471
16472 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16473             Nigel Stephens  <nigel@mips.com>
16474
16475         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16476
16477 2007-04-28  Jan Hubicka  <jh@suse.cz>
16478
16479         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16480         insn_locators_alloc instead of insn_locators_initialize;
16481         call reset_block_changes.
16482         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16483         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16484         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16485         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16486         * config/score/score.c (th_output_mi_thunk): Likewise.
16487         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16488         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16489         tolerate uninitialized locator info.
16490
16491         Re-apply:
16492         * function.c (init_function_start): Don't init line number info.
16493         (expand_function_end): Update.
16494         (reset_block_changes, record_block_change, finalize_block_changes,
16495         check_block_change, free_block_changes): Kill.
16496         * function.h (reset_block_changes, record_block_change,
16497         finalize_block_changes, check_block_change, free_block_changes):
16498         Remove prototypes.
16499         (struct function): Remove ib_boundaries_block.
16500         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16501         Use curr_insn_locator to initialize locator.
16502         (emit_line_note): Remove.
16503         * cfgexpand.c (expand_gimple_cond_expr): Update.
16504         (construct_exit_block): Likewise.
16505         (tree_expand_cfg): Initialize/finalize locators.
16506         * expr.c (expand_expr_real): Update.
16507         * cfglayout.c (line_locators_locs, line_locators_lines,
16508         file_locators_locs, file_locators_files): Remove.
16509         (set_block_levels): Move to cfgexpand.c.
16510         (insn_locators_initialize): Remove.
16511         (pass_insn_locators_initialize): Remove.
16512         (locations_locators_locs, locations_locators_vals): New static vars.
16513         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16514         Likewise.
16515         (insn_locators_alloc, insn_locators_finalize,
16516         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16517         New functions.
16518         (locator_location): New.
16519         (locator_line, locator_file): Rewrite.
16520         * rtl.h (emit_line_note): Kill.
16521         (insn_locators_alloc, insn_locators_finalize,
16522         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16523         Declare.
16524         * tree-inline.c (initialize_cfun): Do not initialize
16525         ib_boundaries_block.
16526         * passes.c (pass_insn_locators_initialize): Remove.
16527
16528 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16529
16530         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16531         info.  Update last_basic_block correctly.
16532
16533 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16534
16535         PR target/31701
16536         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16537         register itself to hold the offset constant.  Tell flow the use
16538         of r4 and r5 when they are used.
16539
16540 2007-04-27  Richard Guenther  <rguenther@suse.de>
16541
16542         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16543         if we simplified anything.
16544         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16545         warnings until we did a simplification and the stmt was not
16546         marked as TREE_NO_WARNING.
16547
16548 2007-04-27  Mike Stump  <mrs@apple.com>
16549
16550         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16551
16552 2007-04-27  Ian Lance Taylor  <iant@google.com>
16553
16554         PR middle-end/31710
16555         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16556         TYPE_MAX_VALUE exist, convert them to the new type.
16557
16558 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16559
16560         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16561         if it claims to be available.
16562         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16563         edge is redirected.
16564         (perform_tree_ssa_dce): Always free postdominators.
16565
16566 2007-04-27  Richard Henderson  <rth@redhat.com>
16567
16568         * config/alpha/predicates.md (aligned_memory_operand): Mark
16569         as define_special_predicate.
16570         (unaligned_memory_operand, normal_memory_operand): Likewise.
16571         (reg_or_unaligned_mem_operand): Remove.
16572         (any_memory_operand): Match the documentation and check for
16573         non-renumbered pseudos during reload.
16574         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16575         alpha_secondary_reload_class, update to new interface, make static.
16576         Handle CQImode like HImode.  Remove FP subreg check.
16577         (alpha_expand_mov): Use replace_equiv_address.
16578         (alpha_expand_mov_nobwx): Use any_memory_operand.
16579         (TARGET_SECONDARY_RELOAD): New.
16580         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16581         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16582         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16583         * config/alpha/alpha.md: ... here.
16584         (RELOAD12, reloadmode): New.
16585         (movcqi): New.
16586         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16587         Don't handle the aligned case here.
16588         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16589         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16590         reload_inhi_help.  Don't expect a scratch register.
16591         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16592         reload_outhi_help.
16593         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16594
16595 2007-04-27  Richard Guenther  <rguenther@suse.de>
16596
16597         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16598
16599 2007-04-27  Richard Guenther  <rguenther@suse.de>
16600
16601         PR tree-optimization/30965
16602         PR tree-optimization/30978
16603         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16604         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16605         (find_equivalent_equality_comparison): Likewise.
16606         (simplify_cond): Likewise.
16607         (get_prop_source_stmt): New helper.
16608         (get_prop_dest_stmt): Likewise.
16609         (can_propagate_from): Likewise.
16610         (remove_prop_source_from_use): Likewise.
16611         (combine_cond_expr_cond): Likewise.
16612         (forward_propagate_comparison): New function.
16613         (forward_propagate_into_cond): Rewrite to use fold for
16614         tree combining.
16615         (tree_ssa_forward_propagate_single_use_vars): Call
16616         forward_propagate_comparison to propagate comparisons.
16617
16618 2007-04-27  Richard Guenther  <rguenther@suse.de>
16619
16620         PR tree-optimization/31715
16621         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16622         sure to do computation on the offset in an appropriate
16623         signed type.
16624
16625 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16626
16627         * reload.h (elimination_target_reg_p): Declare.
16628         * reload.c (find_reloads): Don't apply the reg_rtx move
16629         optimization if the SET_DEST satisfies elimination_target_reg_p.
16630         * reload1.c (elimination_target_reg_p): New function.
16631         (gen_reload): In the move/add2 fallback, make sure that op0
16632         does not overlap the destination register.
16633
16634 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16635
16636         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16637         transform only GIMPLE_MODIFY_STMTs.
16638         * tree-complex.c (expand_complex_operations_1): Ditto.
16639         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16640         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16641         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16642         branches.
16643         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16644         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16645         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16646         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16647         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16648         slpeel_add_loop_guard): Ditto.
16649         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16650         * lambda-code.c (perfect_nestify): Ditto.
16651         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16652         before the first statement.
16653         * tree-optimize.c (execute_free_datastructures): Fix comments.
16654         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16655         * tree-flow.h (disband_implicit_edges): Declaration removed.
16656         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16657         branches.
16658         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16659         COND_EXPRs without gotos.
16660         (disband_implicit_edges, has_label_p): Removed.
16661         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16662         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16663         branches.
16664         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16665         side effects.
16666         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16667         also for COND_EXPRs.
16668         * cfgexpand.c (label_rtx_for_bb): New function.
16669         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16670         Use label_rtx_for_bb to find the labels.
16671         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16672         last block.  Detect fallthru edges.
16673
16674 2007-04-26  Ian Lance Taylor  <iant@google.com>
16675
16676         PR target/28675
16677         * reload.c (find_reloads_subreg_address): If the address was valid
16678         in the original mode but not in the new mode, reload the whole
16679         address.
16680
16681 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16682
16683         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
16684         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
16685         (cleanup_control_expr_graph): Do not invalidate dominance info.
16686         Record altered blocks.
16687         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
16688         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
16689         cleanup_tree_cfg_bb): New functions.
16690         (remove_forwarder_block): Do not maintain the worklist of blocks.
16691         Record altered blocks.
16692         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
16693         not over whole cfg.
16694         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
16695         delete_unreachable_blocks if dominators are not available.
16696         * tree-inline.c (optimize_inline_calls): Free dominance information
16697         earlier.
16698         * tree-flow.h (remove_edge_and_dominated_blocks,
16699         cfgcleanup_altered_bbs): Altered.
16700         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
16701         blocks.
16702         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
16703         functions.
16704         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
16705         do not invalidate dominators.
16706
16707 2007-04-26  Anatoly Sokolov <aesok@post.ru>
16708
16709         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
16710         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
16711         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
16712         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
16713
16714 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
16715
16716         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
16717
16718 2007-04-26  Richard Guenther  <rguenther@suse.de>
16719
16720         PR tree-optimization/31703
16721         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
16722         the right type for the target of the bittest.
16723
16724 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16725
16726         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
16727         ix86_sol10_return_in_memory.
16728
16729 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16730
16731         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
16732         variables.
16733
16734 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
16735
16736         PR c++/31598
16737         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
16738
16739         PR tree-optimization/30558
16740         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
16741         clear this_state.prev_try.
16742
16743 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16744             Mark Mitchell  <mark@codesourcery.com>
16745
16746         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
16747         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
16748         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
16749
16750 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
16751
16752         PR driver/31107
16753         * doc/invoke.texi (%:print-asm-header): Document.
16754         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
16755         and -ftarget-help.
16756         (static_spec_functions): Add print-asm-header.
16757         (main): Print a banner before the --target-help linker options.
16758         (print_asm_header_spec_function): New function.
16759
16760 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
16761
16762         PR target/31403
16763         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
16764         (movsf_ie): Likewise.
16765
16766 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
16767
16768         * doc/extend.texi ([Type Traits]): Adjust per N2255.
16769
16770 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
16771
16772         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
16773         exception for divide-by-zero.
16774         (__umodsi3, __modsi3): Likewise.
16775
16776 2007-04-25  Dirk Mueller  <dmueller@suse.de>
16777
16778         * c-typeck.c (build_compound_expr): Annotate warning()
16779         call with OPT_Wunused_value.
16780         * tree-ssa.c (warn_uninit): Annotate warning with
16781         OPT_Wunintialized.
16782         * c-common.c (handle_sentinel_attribute): Annotate warning
16783         call with OPT_Wattributes.
16784
16785 2007-04-25  Thiemo Seufer  <ths@mips.com>
16786
16787         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
16788         (mips16): Fix typo.
16789         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
16790         on to the assembler.  Improve handling of -mno-mips16.  Add handling
16791         of -mno-mips3d, -mno-dsp, -mno-dspr2.
16792         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
16793         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
16794         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
16795
16796 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
16797
16798         PR target/31680
16799         * config/i386/winnt.c (i386_pe_file_end): Strip only
16800         USER_LABEL_PREFIX when writing export name.
16801
16802 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
16803
16804         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
16805         sh/elf.h, vx-common.h and vxworks.h.
16806         * config/sh/sh.h: Include config/vxworks-dummy.h.
16807         (SUBTARGET_OVERRIDE_OPTIONS): Define.
16808         (OVERRIDE_OPTIONS): Use it.
16809         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
16810         (vxworks_picreg): New pattern.
16811         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
16812         VXWORKS_OS_CPP_BUILTINS.
16813         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
16814         to their VXWORKS_* equivalents.
16815         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
16816         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
16817         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
16818         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
16819         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
16820         -mrtp/-fPIC multilibs.
16821         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
16822         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
16823         (MULTILIB_OSDIRNAMES): Delete.
16824
16825 2007-04-25  Anatoly Sokolov <aesok@post.ru>
16826
16827         PR target/18989
16828         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
16829
16830 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
16831
16832         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
16833         rounding mode to be specified by the caller.
16834         (real_to_mpfr) Likewise.
16835         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
16836         include new arguments.
16837         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
16838
16839 2007-04-24  Ian Lance Taylor  <iant@google.com>
16840
16841         PR tree-optimization/31605
16842         * tree-vrp.c (set_value_range): Check that min and max are not
16843         both overflow infinities.
16844         (set_value_range_to_value): New static function.
16845         (extract_range_from_binary_expr): Call set_value_range_to_value.
16846         (extract_range_from_cond_expr): Likewise.
16847         (extract_range_from_expr): Likewise.
16848         (extract_range_from_unary_expr): Likewise.  Don't create a range
16849         which overflows on both sides.
16850         (vrp_meet): Check for a useless range.
16851         (vrp_visit_phi_node): If we see a constant which looks like an
16852         overflow infinity, turn off the TREE_OVERFLOW flag.
16853
16854 2007-04-24  Ian Lance Taylor  <iant@google.com>
16855
16856         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
16857
16858 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
16859
16860         PR diagnostic/25923
16861         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
16862         diagnostic message is being built.
16863         * tree-pretty-print.c (dump_generic_node): Only write the
16864         formatted text into BUFFER's stream if we are not building a
16865         diagnostic message.
16866         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
16867         dump_generic_node.
16868         * Makefile.in (toplev.o): Depend on tree-pass.h.
16869
16870 2007-04-24  Ian Lance Taylor  <iant@google.com>
16871
16872         PR tree-optimization/31602
16873         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
16874         conditionals in the copied loop header.
16875         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
16876         warnings if TREE_NO_WARNING is set.
16877         * doc/invoke.texi (Warning Options): Clarify that
16878         -Wstrict-overflow does not warn about loops.
16879
16880 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
16881
16882         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
16883         expand on the comment about _Decimal128 arguments and check the
16884         integer result of the modulus operation; for 64-bit ELF ABI, ensure
16885         that _Decimal128 argument uses even/odd register pair.
16886         (function_arg): Ditto.
16887
16888 2007-04-24  Hui-May Chang <hm.chang@apple.com>
16889
16890         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
16891         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
16892
16893 2007-04-24  Richard Guenther  <rguenther@suse.de>
16894             Olga Golovanevsky  <olga@il.ibm.com>
16895
16896         * fold-const.c (multiple_of_p): Check for bottom
16897         to be zero.
16898
16899 2007-04-24  Richard Henderson  <rth@redhat.com>
16900
16901         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
16902         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
16903         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
16904         looking for non-zero bits shifted out.  Avoid a recursive call
16905         when constructing the scalar.
16906         (__floatundisf): Likewise.
16907
16908 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
16909
16910         * dwarf2out.c (field_byte_offset): Move the existing logic
16911         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
16912         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
16913
16914 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16915
16916         PR target/31641
16917         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
16918         length argument of 0 for memset.
16919         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
16920         unsigned shift instead of the signed variant.
16921
16922 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
16923
16924         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
16925         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
16926         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
16927         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16928         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
16929         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
16930         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
16931         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
16932         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
16933         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
16934         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
16935         "mul<mode>3", "div<mode>3"): Insn definitions added.
16936         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
16937         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
16938         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
16939         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
16940         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
16941         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
16942         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
16943         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
16944         TARGET_FLOAT_FORMAT): Macro definitions removed.
16945         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
16946         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
16947         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
16948         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
16949         (s390_gen_rtx_const_DI): Function removed.
16950         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
16951
16952 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
16953
16954         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
16955         over an external ffs function.
16956
16957 2007-04-24  Chao-ying Fu  <fu@mips.com>
16958             Richard Sandiford  <richard@nildram.co.uk>
16959
16960         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
16961         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
16962         (smadd_widen_optab, umadd_widen_optab): Define.
16963         * optabs.c (init_optabs): Initialize smadd_widen_optab and
16964         umadd_widen_optab.
16965         * genopinit.c (optabs): Fill in smadd_widen_optab and
16966         umadd_widen_optab.
16967         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
16968         and umadd_widen_optab to implement multiply-add sequences.
16969         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
16970         (<u>maddsidi4): ...this.  Extend condition to include
16971         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16972         of operand 0 to "ka" and use the three-operand form of madd<u>
16973         for TARGET_DSPR2.
16974         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
16975         to define_expands.
16976         * config/mips/constraints.md (ka): New register constraint.
16977
16978 2007-04-24  Jan Hubicka  <j@suse.cz>
16979
16980         Revert:
16981
16982         2007-04-23  Jan Hubicka  <jh@suse.cz>
16983         * function.c (init_function_start): Don't init line number info.
16984         (expand_function_end): Update.
16985         (reset_block_changes, record_block_change, finalize_block_changes,
16986         check_block_change, free_block_changes): Kill.
16987         * function.h (reset_block_changes, record_block_change,
16988         finalize_block_changes, check_block_change, free_block_changes):
16989         Remove prototypes.
16990         (struct function): Remove ib_boundaries_block.
16991         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16992         Use curr_insn_locator to initialize locator.
16993         (emit_line_note): Remove.
16994         * cfgexpand.c (expand_gimple_cond_expr): Update.
16995         (construct_exit_block): Likewise.
16996         (tree_expand_cfg): Initialize/finalize locators.
16997         * expr.c (expand_expr_real): Update.
16998         * cfglayout.c (line_locators_locs, line_locators_lines,
16999         file_locators_locs, file_locators_files): Remove.
17000         (set_block_levels): Move to cfgexpand.c.
17001         (insn_locators_initialize): Remove.
17002         (pass_insn_locators_initialize): Remove.
17003         (locations_locators_locs, locations_locators_vals): New static vars.
17004         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17005         Likewise.
17006         (insn_locators_alloc, insn_locators_finalize,
17007         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17008         New functions.
17009         (locator_location): New.
17010         (locator_line, locator_file): Rewrite.
17011         * rtl.h (emit_line_note): Kill.
17012         (insn_locators_alloc, insn_locators_finalize,
17013         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17014         Declare.
17015         * tree-inline.c (initialize_cfun): Do not initialize
17016         ib_boundaries_block.
17017         * passes.c (pass_insn_locators_initialize): Remove.
17018
17019 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17020
17021         * doc/invoke.texi: Removed leading '-' from option index entries.
17022
17023 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17024
17025         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17026         Use phi_nodes_ptr.
17027         (create_phi_node): Use set_phi_nodes.
17028         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17029         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17030         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17031         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17032         (bsi_start, bsi_last): Use bb_stmt_list.
17033         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17034         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17035         Traverse the statements using tsi iterator.
17036         * basic-block.h (struct basic_block_def): Fields stmt_list
17037         and phi_nodes moved to ...
17038         (struct tree_bb_info): ... new structure.
17039         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17040         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17041         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17042         (tree_verify_flow_info): Verify that il.tree is not set for
17043         entry and exit block.
17044         (tree_split_block): Use set_bb_stmt_list.
17045
17046 2007-04-23  Mike Stump  <mrs@apple.com>
17047
17048         * config/i386/i386.c (ix86_tune_features
17049         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17050         nocona and core2.
17051
17052 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17053
17054         * config/i386/i386.md (prefix_extra): New attribute.
17055         (length): Add prefix_extra.
17056
17057         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17058         (sse2_movntv2di): Likewise.
17059         (sse2_cvtps2dq): Likewise.
17060         (sse2_cvtpd2pi): Likewise.
17061         (sse2_cvttpd2pi): Likewise.
17062         (*sse2_cvtpd2ps): Likewise.
17063         (*add<mode>3): Likewise.
17064         (sse2_ssadd<mode>3): Likewise.
17065         (sse2_usadd<mode>3): Likewise.
17066         (*sub<mode>3): Likewise.
17067         (sse2_sssub<mode>3): Likewise.
17068         (sse2_ussub<mode>3): Likewise.
17069         (*mulv8hi3): Likewise.
17070         (*smulv8hi3_highpart): Likewise.
17071         (*umulv8hi3_highpart): Likewise.
17072         (sse2_umulv2siv2di3): Likewise.
17073         (sse2_pmaddwd): Likewise.
17074         (ashr<mode>3): Likewise.
17075         (lshr<mode>3): Likewise.
17076         (ashl<mode>3): Likewise.
17077         (sse2_ashlti3): Likewise.
17078         (sse2_lshrti3): Likewise.
17079         (*umaxv16qi3): Likewise.
17080         (*smaxv8hi3): Likewise.
17081         (*uminv16qi3): Likewise.
17082         (*sminv8hi3): Likewise.
17083         (sse2_eq<mode>3): Likewise.
17084         (sse2_gt<mode>3): Likewise.
17085         (*and<mode>3): Likewise.
17086         (sse2_nand<mode>3): Likewise.
17087         (*ior<mode>3): Likewise.
17088         (*xor<mode>3): Likewise.
17089         (sse2_packsswb): Likewise.
17090         (sse2_packssdw): Likewise.
17091         (sse2_packuswb): Likewise.
17092         (sse2_punpckhbw): Likewise.
17093         (sse2_punpcklbw): Likewise.
17094         (sse2_punpckhwd): Likewise.
17095         (sse2_punpcklwd): Likewise.
17096         (sse2_punpckhdq): Likewise.
17097         (sse2_punpckldq): Likewise.
17098         (sse2_punpckhqdq): Likewise.
17099         (sse2_punpcklqdq): Likewise.
17100         (*sse2_pinsrw): Likewise.
17101         (*sse2_pextrw): Likewise.
17102         (sse2_pshufd_1): Likewise.
17103         (sse2_uavgv16qi3): Likewise.
17104         (sse2_uavgv8hi3): Likewise.
17105         (sse2_psadbw): Likewise.
17106         (sse2_pmovmskb): Likewise.
17107         (*sse2_maskmovdqu): Likewise.
17108         (*sse2_maskmovdqu_rex64): Likewise.
17109         (sse4a_extrqi): Likewise.
17110         (sse4a_extrq): Likewise.
17111         (sse3_lddqu): Set prefix_rep.
17112         (sse3_addsubv4sf3): Likewise.
17113         (sse3_haddv4sf3): Likewise.
17114         (sse3_hsubv4sf3): Likewise.
17115         (sse_cvtss2si): Likewise.
17116         (sse_cvtss2si_2): Likewise.
17117         (sse_cvtss2siq): Likewise.
17118         (sse_cvtss2siq_2): Likewise.
17119         (sse_cvttss2si): Likewise.
17120         (sse_cvttss2siq): Likewise.
17121         (sse2_cvttps2dq): Likewise.
17122         (sse3_movshdup): Likewise.
17123         (sse3_movsldup): Likewise.
17124         (sse2_cvtsd2si): Likewise.
17125         (sse2_cvtsd2si_2): Likewise.
17126         (sse2_cvtsd2siq): Likewise.
17127         (sse2_cvtsd2siq_2): Likewise.
17128         (sse2_cvttsd2si): Likewise.
17129         (sse2_cvttsd2siq): Likewise.
17130         (*sse2_cvtpd2dq): Likewise.
17131         (*sse2_cvttpd2dq): Likewise.
17132         (sse2_pshuflw_1): Likewise.
17133         (sse2_pshufhw_1): Likewise.
17134         (sse4a_insertqi): Likewise.
17135         (sse4a_insertq): Likewise.
17136         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17137         (ssse3_phadddv4si3): Likewise.
17138         (ssse3_phaddswv8hi3): Likewise.
17139         (ssse3_phsubwv8hi3): Likewise.
17140         (ssse3_phsubdv4si3): Likewise.
17141         (ssse3_phsubswv8hi3): Likewise.
17142         (ssse3_pmaddubswv8hi3): Likewise.
17143         (ssse3_pmulhrswv8hi3): Likewise.
17144         (ssse3_pshufbv16qi3): Likewise.
17145         (ssse3_psign<mode>3): Likewise.
17146         (ssse3_palignrti): Likewise.
17147         (abs<mode>2): Likewise.
17148         (ssse3_phaddwv4hi3): Set prefix_extra.
17149         (ssse3_phadddv2si3): Likewise.
17150         (ssse3_phaddswv4hi3): Likewise.
17151         (ssse3_phsubwv4hi3): Likewise.
17152         (ssse3_phsubdv2si3): Likewise.
17153         (ssse3_phsubswv4hi3): Likewise.
17154         (ssse3_pmaddubswv4hi3): Likewise.
17155         (ssse3_pmulhrswv4hi3): Likewise.
17156         (ssse3_pshufbv8qi3): Likewise.
17157         (ssse3_psign<mode>3): Likewise.
17158         (ssse3_palignrdi): Likewise.
17159         (abs<mode>2): Likewise.
17160         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17161         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17162         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17163
17164 2007-04-23  Nick Clifton  <nickc@redhat.com>
17165
17166         * params.def: Fix formatting of emacs local variables.
17167
17168 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17169
17170         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17171         move if inter-unit move isn't allowed.
17172         Don't split moving the first element of V2DI to DI to inter-unit
17173         move if inter-unit move isn't allowed.
17174
17175 2007-04-23  Richard Guenther  <rguenther@suse.de>
17176
17177         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17178         and CDI_POST_DOMINATORS separately.
17179
17180 2007-04-23  Nick Clifton  <nickc@redhat.com>
17181
17182         * c.opt (Wformat-contains-nul): Add warning attribute.
17183
17184 2007-04-23  Jan Hubicka  <jh@suse.cz>
17185
17186         * function.c (init_function_start): Don't init line number info.
17187         (expand_function_end): Update.
17188         (reset_block_changes, record_block_change, finalize_block_changes,
17189         check_block_change, free_block_changes): Kill.
17190         * function.h (reset_block_changes, record_block_change,
17191         finalize_block_changes, check_block_change, free_block_changes):
17192         Remove prototypes.
17193         (struct function): Remove ib_boundaries_block.
17194         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17195         Use curr_insn_locator to initialize locator.
17196         (emit_line_note): Remove.
17197         * cfgexpand.c (expand_gimple_cond_expr): Update.
17198         (construct_exit_block): Likewise.
17199         (tree_expand_cfg): Initialize/finalize locators.
17200         * expr.c (expand_expr_real): Update.
17201         * cfglayout.c (line_locators_locs, line_locators_lines,
17202         file_locators_locs, file_locators_files): Remove.
17203         (set_block_levels): Move to cfgexpand.c.
17204         (insn_locators_initialize): Remove.
17205         (pass_insn_locators_initialize): Remove.
17206         (locations_locators_locs, locations_locators_vals): New static vars.
17207         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17208         Likewise.
17209         (insn_locators_alloc, insn_locators_finalize,
17210         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17211         New functions.
17212         (locator_location): New.
17213         (locator_line, locator_file): Rewrite.
17214         * rtl.h (emit_line_note): Kill.
17215         (insn_locators_alloc, insn_locators_finalize,
17216         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17217         Declare.
17218         * tree-inline.c (initialize_cfun): Do not initialize
17219         ib_boundaries_block.
17220         * passes.c (pass_insn_locators_initialize): Remove.
17221
17222 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17223
17224         PR middle-end/31448
17225         * expr.c (reduce_to_bit_field_precision): Handle
17226         CONST_INT rtx's.
17227
17228 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17229
17230         PR tree-optimization/24659
17231         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17232         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17233         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17234         * genopinit.c (optabs): Rename vec_pack_mod_optab
17235         to vec_pack_trunc_optab.
17236         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17237         early for scalar floating point operands for NOP_EXPR.
17238         (vectorizable_type_promotion): Ditto.
17239         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17240         vec_pack_trunc_optab.
17241         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17242
17243         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17244         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17245         Rename from VEC_PACK_MOD_EXPR.
17246         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17247         * expr.c (expand_expr_real_1): Ditto.
17248         * tree-inline.c (estimate_num_insns_1): Ditto.
17249         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17250
17251         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17252         (vec_unpacks_lo_v4sf): Ditto.
17253         (vec_pack_trunc_v2df): Ditto.
17254         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17255         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17256         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17257
17258         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17259         vec_pack_mod_v8hi.
17260         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17261
17262         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17263         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17264         packing of floating point operands.
17265         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17266         represent unpacking of floating point operands.
17267         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17268         [vec_unpacks_hi]: Ditto.
17269         [vec_unpacks_lo]: Ditto.
17270
17271 2007-04-22  Jan Hubicka  <jh@suse.cz>
17272
17273         * final.c (rest_of_handle_final): Call
17274         targetm.asm_out.constructor/targetm.asm_out.destructor
17275         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17276         proper priority via decl_*_priority_insert.
17277         * c-common.c (c_expand_body): Likewise.
17278
17279 2007-04-22  Richard Guenther  <rguenther@suse.de>
17280
17281         PR tree-optimization/29789
17282         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17283         (rewrite_reciprocal): New helper split out from
17284         determine_invariantness_stmt.
17285         (rewrite_bittest): Likewise.
17286         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17287         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17288         is not.
17289
17290 2007-04-22  Revital Eres  <eres@il.ibm.com>
17291
17292         * loop-unroll.c (var_to_expand): New field to support also
17293         insns of the form x = something + x.
17294         (analyze_insn_to_expand_var): Use it.
17295         (expand_var_during_unrolling): Likewise.
17296
17297 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17298
17299         * predict.c: Include pointer-set.h.
17300         (bb_predictions): New variable.
17301         (tree_predicted_by_p, tree_predict_edge,
17302         remove_predictions_associated_with_edge): Use bb_predictions map
17303         instead of bb->predictions.
17304         (clear_bb_predictions, assert_is_empty): New functions.
17305         (combine_predictions_for_bb): Use bb_predictions map.  Call
17306         clear_bb_predictions.
17307         (tree_estimate_probability): Create and free bb_predictions map.
17308         * Makefile.in (predict.o): Add pointer-set.h dependency.
17309         * basic-block.h (struct basic_block_def): Remove predictions
17310         field.
17311         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17312
17313 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17314
17315         PR target/31480
17316         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17317         is null.
17318
17319 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17320
17321         * timevar.c (timevar_print): Change reference of --disable-checking to
17322         --enable-checking=release.  Also warn if assert checking is disabled.
17323
17324 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17325
17326         PR C/30265
17327         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17328         decl as addressable if the compound literal was marked as
17329         addressable.
17330         Mark the decl as a gimple register if it is a complex or
17331         vector decl and does not live in memory.
17332
17333 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17334
17335         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17336         (GENERIC_NEXT): New function macro.
17337         (PHI_CHAIN): Use phi_node's new chain variable.
17338         (tree_phi_node): Change tree_common to tree_base
17339         and add the chain field.
17340         * tree-phinodes.c (make_phi_node): Don't set
17341         TREE_TYPE on the new node.
17342         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17343         instead of checking GIMPLE_TUPLE_P in chain_next.
17344         * tree-vect-transform.c
17345         (get_initial_def_for_induction): Look at
17346         PHI_RESULT_TREE for the type of the phi node.
17347         (update_vuses_to_preheader): Use PHI_CHAIN
17348         instead of TREE_CHAIN on the phi node.
17349         * tree-ssa-structalias.c (compute_points_to_sets):
17350         Likewise.
17351         (ipa_pta_execute): Likewise.
17352
17353 2007-04-21  Richard Guenther  <rguenther@suse.de>
17354
17355         PR middle-end/31136
17356         * fold-const.c (fold_unary): Call fold_convert_const on the
17357         original tree.
17358
17359 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17360
17361         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17362         (store_killed_in_pat): New.
17363
17364 2007-04-20  Richard Henderson  <rth@redhat.com>
17365
17366         PR target/31628
17367         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17368         TREE_LIST with a void_type_node value, not void_list_node exactly.
17369
17370 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17371
17372         * doc/standards.texi: Re-arrange into language-specific
17373         subsections. Add a C++ section, documenting which standards we
17374         support.
17375
17376 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17377
17378         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17379         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17380
17381 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17382
17383         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17384         ecrti.o and crtbegin.o.
17385         (LIB_DEFAULT_SPEC): Include -lc.
17386         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17387
17388 2007-04-20  Richard Henderson  <rth@redhat.com>
17389
17390         PR target/28623
17391         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17392         argument; update all callers.
17393         (get_unaligned_offset): New.
17394         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17395         get_unaligned_address, just pass on the address directly.
17396         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17397         the subreg in the helper patterns.
17398         (unaligned_extendqidi_le): Use get_unaligned_offset.
17399         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17400         (unaligned_extendhidi_be): Likewise.
17401         (unaligned_extendhidi): Tidy.
17402         * config/alpha/alpha-protos.h: Update.
17403
17404 2007-04-20  Richard Henderson  <rth@redhat.com>
17405
17406         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17407         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17408         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17409         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17410         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17411         (CPP_SPEC): Don't include %(cpp_subtarget).
17412         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17413         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17414         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17415
17416 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17417
17418         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17419         for __builtin_ia32_cmpordss.
17420
17421         PR tree-optimization/31632
17422         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17423         and arg1 for optimizations of comparison against min/max values.
17424         Fold arg0 to arg1's type for optimizations of comparison against
17425         min+1 and max-1 values.
17426
17427 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17428
17429         * reload.c (combine_reloads): When trying to use a dying register,
17430         check whether it's uninitialized and don't use if so.
17431
17432 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17433
17434         * fold-const.c: Remove prototypes for native_encode_expr and
17435         native_interpret_expr.
17436         (native_encode_expr): Make non-static.
17437         (native_interpret_expr): Likewise.
17438         * tree.h: Add prototypes for the above.
17439
17440 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17441
17442         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17443         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17444         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17445         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17446         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17447         Add length attributes.
17448
17449 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17450
17451         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17452         not that it is 1.
17453
17454         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17455         __STDC_WANT_DEC_FP__.
17456
17457 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17458
17459         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17460         for long double compatibility.
17461         * configure: Regenerate.
17462
17463 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17464
17465         PR rtl-optimization/29841
17466         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17467         trap instructions.
17468         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17469         that may cause control flow transfer from being moved.
17470
17471 2007-04-18  Jan Hubicka  <jh@suse.cz>
17472
17473         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17474         types.
17475
17476 2007-04-18  Eric Christopher  <echristo@apple.com>
17477
17478         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17479         only. Update operands.
17480         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17481         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17482         link register to pic register.
17483
17484 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17485
17486         PR diagnostic/31227
17487         * tree-vrp.c (search_for_addr_array): New.
17488         (check_array_bounds): Suppress warning about
17489         address taken of array refs if its not de-referenced.
17490
17491 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17492
17493         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17494         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17495
17496         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17497         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17498         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17499
17500         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17501         dump print.
17502         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17503         print message.
17504         (vect_analyze_scalar_cycles): Fix indentation.
17505         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17506         (vect_mark_relevant): Include phis in relevance analysis.
17507
17508         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17509
17510 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17511
17512         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17513         output_operand_lossage().
17514
17515 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17516
17517         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17518         the unused code for reduction without adjust-in-epilog to simplify the
17519         function.
17520
17521 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17522
17523         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17524         (S390_TDC_NEGATIVE_ZERO): New constant.
17525         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17526         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17527         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17528         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17529         (S390_TDC_POSITIVE_INFINITY): New constant.
17530         (S390_TDC_NEGATIVE_INFINITY): New constant.
17531         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17532         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17533         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17534         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17535         (S390_TDC_INFINITY): New constant.
17536         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17537         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17538         optimization for UNSPEC_CCZ_TO_INT.
17539         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17540         ("*ccz_to_int"): New insn.
17541         ("isinf<mode>2"): New insn.
17542         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17543         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17544         (UNSPEC_CCZ_TO_INT): New constant.
17545
17546 2007-04-18  Richard Guenther  <rguenther@suse.de>
17547
17548         PR tree-optimization/19431
17549         PR tree-optimization/21463
17550         * tree-pass.h (pass_phiprop): Declare.
17551         * passes.c (init_optimization_passes): New phiprop pass.
17552         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17553         (phivn_valid_p): New helper function.
17554         (phiprop_insert_phi): Likewise.
17555         (propagate_with_phi): Likewise.
17556         (tree_ssa_phiprop): New propagator propagating loads
17557         through phi nodes if profitable.
17558
17559 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17560
17561         * tree-vect-analyze.c (process_use): New function.
17562         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17563         Check phis in all bbs.
17564         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17565         assert.
17566
17567 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17568
17569         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17570         we use REG_EQUAL.
17571
17572 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17573
17574         PR target/30483
17575         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17576         error().
17577
17578 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17579
17580         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17581         on "0".
17582         (sse_vmmulv4sf3): Likewise.
17583         (sse2_vmaddv2df3): Likewise.
17584         (sse2_vmmulv2df3): Likewise.
17585
17586 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17587
17588         PR rtl-optimization/31360
17589         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17590         (target_reg_cost): New.
17591         (init_set_costs): Initialize target_reg_cost.  Add comments
17592         regarding the rationale of the costs.
17593         (global_cost_for_size): Renamed to...
17594         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17595         of register pressure.
17596         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17597         estimate_reg_pressure_cost.  Add number of ivs.
17598         (determine_set_costs): Dump target_reg_cost.
17599         * loop-invariant.c (gain_for_invariant): Use
17600         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17601         (best_gain_for_invariant, find_invariants_to_move): Remove
17602         n_inv_uses.
17603         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17604         (target_reg_cost): Declare.
17605         (global_cost_for_size): Declaration removed.
17606         (estimate_reg_pressure_cost): Declare.
17607
17608 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17609
17610         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17611         regnos into even/odd register pairs.
17612         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17613         TDmode similar to the other floating point modes.
17614         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17615         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17616         define_expand's.
17617         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17618         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17619         (movdd_hardfloat64): Use TARGET_MFPGPR.
17620
17621 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17622
17623         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17624
17625         Revert
17626         2005-01-05  Richard Henderson  <rth@redhat.com>
17627         PR rtl-opt/10692
17628         * reload1.c (do_input_reload): Restrict the optimization deleteing
17629         a previous output reload to RELOAD_FOR_INPUT.
17630
17631 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17632
17633         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17634         induc_vec_info_type.
17635         (vectorizable_induction): New function declaration.
17636         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17637         check if already vectorized.  Find first place in BB where new stmts
17638         can be inserted.  Takes only one argument.
17639         (vectorizable_induction): New function.
17640         (vect_transform_stmt): Add case for induc_vec_info_type to call
17641         vectorizable_induction.
17642         (vect_transform_loop): Consider phis for vectorization.
17643         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17644         condition.
17645         (analyze_operations): Call vectorizable_induction when analyzing phis.
17646         Fix comment.
17647         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17648         (vect_mark_relevant): Include phis in relevance analysis.
17649         (vect_mark_stmts_to_be_vectorize): Likewise.
17650         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17651
17652 2007-04-16  Lawrence Crowl  <crowl@google.com>
17653
17654         * doc/invoke.texi (Debugging Options): Add documentation for the
17655         -femit-struct-debug options -femit-struct-debug-baseonly,
17656         -femit-struct-debug-reduced, and
17657         -femit-struct-debug-detailed[=...].
17658
17659         * c-opts.c (c_common_handle_option): Add
17660         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17661         and OPT_femit_struct_debug_detailed_.
17662         * c.opt: Add specifications for
17663         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17664         and -femit-struct-debug-detailed[=...].
17665         * opts.c (set_struct_debug_option): Parse the
17666         -femit-struct-debug-... options.
17667         * opts.c (matches_main_base, main_input_basename,
17668         main_input_baselength, base_of_path, matches_main_base): Add
17669         variables and functions to compare header base name to compilation
17670         unit base name.
17671         * opts.c (should_emit_struct_debug): Add to determine to emit a
17672         structure based on the option.
17673         (dump_struct_debug) Also disabled function to debug this
17674         function.
17675         * opts.c (handle_options): Save the base name of the
17676         compilation unit.
17677
17678         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17679         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17680         This hook indicates if a type is generic.  Set it by default
17681         to "never generic".
17682         * langhooks.h (struct lang_hooks_for_types): Add a new hook
17683         to determine if a struct type is generic or not.
17684         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
17685         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
17686         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
17687         with live C++ hook.
17688
17689         * flags.h (enum debug_info_usage): Add an enumeration to describe
17690         a program's use of a structure type.
17691         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
17692         to indicate the program's usage of the type.  Filter structs based
17693         on the -femit-struct-debug-... specification.
17694         (gen_type_die): Split into two routines, gen_type_die and
17695         gen_type_die_with_usage.  gen_type_die is now a wrapper
17696         that assumes direct usage.
17697         (gen_type_die_with_usage): Replace calls to gen_type_die
17698         with gen_type_die_with_usage adding the program usage of
17699         the referenced type.
17700         (dwarf2out_imported_module_or_decl): Suppress struct debug
17701         information using should_emit_struct_debug when appropriate.
17702
17703 2007-04-16  Ian Lance Taylor  <iant@google.com>
17704
17705         PR tree-optimization/31522
17706         * tree-vrp.c (vr_phi_edge_counts): New static variable.
17707         (vrp_initialize): Allocate vr_phi_edge_counts.
17708         (vrp_visit_phi_node): Don't push to infinity if we saw a new
17709         executable edge.  Drop test for all constants.
17710         (vrp_finalize): Free vrp_phi_edge_counts.
17711
17712         * doc/cpp.texi (Common Predefined Macros): Clarify description of
17713         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
17714
17715         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
17716         predecessors at head rather than tail.
17717
17718 2007-04-16  Matthias Klose  <doko@debian.org>
17719
17720         * config/alpha/linux.h (CPP_SPEC): Define.
17721         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
17722
17723 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
17724
17725         * function.h: Remove sequence_stack extern declaration.
17726
17727 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17728
17729         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
17730         TARGET_FIDOA.
17731         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
17732         defined.
17733
17734 2007-04-16  Anatoly Sokolov <aesok@post.ru>
17735
17736         * config/avr/avr.c (avr_arch_types): Rearranging  array.
17737         (enum avr_arch): Add.
17738         (avr_mcu_types): Use avr_arch enumeration constants instead of
17739         numbers.
17740         * config/avr/avr.h (LINK_SPEC): Simplify.
17741
17742 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
17743
17744         * config/m68k/m68k.c (m68k_libcall_value,
17745         m68k_function_value): Use macros for register names more.
17746
17747         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
17748         instead.
17749         (M68K_REGNAME): Use A6_REG.
17750         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
17751
17752 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
17753
17754         PR middle-end/28071
17755         * sched-int.h (struct deps): Split field 'pending_lists_length' into
17756         'pending_read_list_length' and 'pending_write_list_length'.  Update
17757         comment.
17758         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
17759         to handle two length counters instead of one.  Update all uses.
17760         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
17761         two length counters instead of one.
17762         * sched-rgn.c (propagate_deps): Update to handle two length counters
17763         instead of one.
17764
17765 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
17766
17767         PR target/31582
17768         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
17769         copy of source, pass it to ix86_expand_vector_set and return
17770         it as target.
17771
17772 2007-04-16  David Ung  <davidu@mips.com>
17773             Joseph Myers  <joseph@codesourcery.com>
17774
17775         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
17776         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
17777         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
17778         Add 74K processor information.
17779         * config/mips/mips.md: Include 74k.md.
17780         (cpu): Add 74kc,74kf,74kx.
17781         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
17782         * config/mips/74k.md: New.
17783         * doc/invoke.texi (MIPS Options): Document 74K support.
17784
17785 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
17786
17787         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
17788         vectorizable_* functions.
17789         * tree-vect-transform.c (vectorizable_call): Add check for
17790         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
17791         (vectorizable_store): likewise.
17792         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
17793         Add comments.
17794         (vectorizable_operation, vectorizable_type_demotion): Likewise.
17795         (vectorizable_type_promotion, vectorizable_load): Likewise.
17796         (vectorizable_live_operation, vectorizable_condition): Likewise.
17797         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
17798         STMT_VINFO_LIVE_P.
17799         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
17800
17801 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17802
17803         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
17804         register numbers more.
17805         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
17806         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
17807         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
17808         FUNCTION_VALUE_REGNO_P): Likewise.
17809         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
17810         STATIC_CHAIN_REGNUM): Likewise.
17811         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
17812         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
17813         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
17814         * config/m68k/m68k.md (FP_REG): New.
17815
17816 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17817
17818         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
17819         alignment on fido.
17820
17821 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
17822
17823         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
17824         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
17825         comment typos.
17826
17827 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
17828
17829         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
17830         cold loops.
17831
17832 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17833
17834         PR c/31520
17835         * c-decl.c (finish_decl): Grab the type of the decl after the call
17836         to store_init_value.
17837
17838 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
17839
17840         * common.opt (fforward-propagate): Fix "Optimization" annotation.
17841
17842 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
17843
17844         PR c++/25874
17845         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
17846         dominators, post dominators and cleanup cfg before returning.
17847
17848 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
17849
17850         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
17851         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
17852
17853 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
17854
17855         * config.gcc: Recognize fido.
17856         * config/m68k/m68k-devices.def (fidoa): New.
17857         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
17858         __mfido__.
17859         (FL_FIDOA, TARGET_FIDOA): New.
17860         * config/m68k/m68k.opt (mfidoa): New.
17861
17862 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17863
17864         PR middle-end/31322
17865         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
17866         when a personality function is used.
17867
17868 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
17869
17870         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
17871
17872 2007-04-13  Mike Stump  <mrs@apple.com>
17873
17874         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
17875         we can...
17876         * config/darwin.opt (fapple-kext): Make C++ only.
17877         * config/darwin.c (darwin_override_options): Remove code to ensure
17878         -fapple-kext is given for C++ only.
17879
17880 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
17881
17882         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
17883         * config/mips/mips.c (override_options): Call
17884         SUBTARGET_OVERRIDE_OPTIONS, if defined.
17885
17886 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17887
17888         * config/i386/i386.opt (msvr3-shlib): Removed.
17889
17890         * doc/invoke.texi: Remove -msvr3-shlib.
17891
17892 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
17893
17894         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
17895         with "popcnt" instruction.
17896
17897 2007-04-13  Richard Guenther  <rguenther@suse.de>
17898
17899         PR tree-optimization/21258
17900         * tree-vrp.c (compare_case_labels): New helper.
17901         (find_switch_asserts): New function.
17902         (find_assert_locations): Call it for SWITCH_EXPRs.
17903
17904 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
17905
17906         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
17907         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
17908         check is now implied in X87_FLOAT_MODE_P.
17909         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
17910         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
17911         (fix_trunc<mode>_i386_fisttp): Ditto.
17912         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
17913         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
17914         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
17915         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
17916         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
17917         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
17918         (unnamed_splitters): Ditto.
17919         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
17920         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
17921         FIRST_SSE_REG for local functions when SSE math is enabled or
17922         for functions with sseregparm attribute.
17923         (standard_80387_constant_p): Return -1 if mode is not
17924         X87_FLOAT_MODE_P.
17925         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
17926         (ix86_expand_compare): Ditto.
17927         (ix86_expand_carry_flag_compare): Ditto.
17928         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
17929         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
17930         DECIMAL_FLOAT_MODE_P.
17931         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
17932         of SCALAR_FLOAT_MODE_P.
17933         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
17934         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
17935         checks before FLOAT_MODE_P.
17936         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
17937         before FLOAT_MODE_P.
17938         [DIV]: Ditto.
17939         [NEG]: Ditto.
17940         [ABS]: Ditto.
17941         [SQRT]: Ditto.
17942         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
17943
17944 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
17945             Charles Wilson  <libtool@cwilson.fastmail.fm>
17946
17947         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
17948         (libgcc.mvars): Don't depend on them.
17949         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
17950         * exec-tool.in: New.
17951
17952 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
17953
17954         * doc/invoke.text (--help): Document --help=common.
17955
17956 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
17957
17958         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
17959
17960 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17961
17962         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
17963         * genemit.c (main): Emit #include "integrate.h".
17964         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
17965         (LOADGP_RTP): New mips_loadgp_style.
17966         * config/mips/mips.h: Include config/vxworks-dummy.h.
17967         (TARGET_RTP_PIC): New macro.
17968         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
17969         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
17970         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
17971         for TARGET_RTP_PIC.
17972         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
17973         -mvxworks-pic when using -mrtp and a PIC option.
17974         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
17975         for RTP PIC.
17976         (mips_symbolic_constant_p, mips_symbolic_address_p)
17977         (mips_symbol_insns): Handle SYMBOL_HALF.
17978         (override_options): Warn about -G and -mrtp being used together.
17979         Initialize mips_lo_relocs[SYMBOL_HALF].
17980         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
17981         (mips_emit_loadgp): Handle LOADGP_RTP.
17982         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
17983         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
17984         (tablejump): Handle function-relative case table entries if
17985         TARGET_RTP_PIC.
17986         * config/mips/predicates.md (symbol_ref_operand): New predicate.
17987
17988 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17989
17990         * config/mips/mips.md (load_call<mode>): Allow any general register.
17991         destination.
17992         (sibcall_value_internal, sibcall_value_multiple_internal)
17993         (call_value_internal, call_value_split, call_value_multiple_internal)
17994         (call_value_multiple_split): Remove constraints from operand 0.
17995
17996 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
17997
17998         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
17999         rather than loadgp_noshared.
18000         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18001         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18002         gen_loadgp.
18003         * config/mips/mips.md (loadgp): Rename to...
18004         (loadgp_newabi): ...this.
18005         (loadgp_noshared): Rename to...
18006         (loadgp_absolute): ...this.
18007
18008 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18009
18010         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18011         false for locally-binding symbols.
18012         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18013
18014 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18015
18016         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18017         (SYMBOL_GOT_PAGE_OFST): ...this.
18018         (SYMBOL_GOT_GLOBAL): Rename to...
18019         (SYMBOL_GOT_DISP): ...this.
18020         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18021         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18022         * config/mips/mips.c (mips_global_symbol_p): New function.
18023         (mips_symbol_binds_local_p): Likewise.
18024         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18025         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18026         mips_global_symbol_p and mips_symbol_binds_local_p.
18027         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18028         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18029         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18030         SYMBOL_GOTOFF_DISP.
18031         (mips_ok_for_lazy_binding_p): New function.
18032         (mips_load_call_address, mips_expand_call): Use it.
18033         (mips_dangerous_for_la25_p): Likewise.
18034         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18035         (*got_disp<mode>): Use got_disp_operand instead of
18036         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18037         SYMBOL_GOTOFF_GLOBAL.
18038         (*got_page<mode>): Use got_page_ofst_operand instead of
18039         local_got_operand.
18040         * config/mips/predicates.md (const_call_insn_operand): Use
18041         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18042         (global_got_operand): Rename to...
18043         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18044         SYMBOL_GOT_GLOBAL.
18045         (local_got_operand): Rename to...
18046         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18047         of SYMBOL_GOT_LOCAL.
18048
18049 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18050
18051         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18052         TARGET_CALL_CLOBBERED_GP.
18053         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18054         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18055         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18056         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18057         of TARGET_ABICALLS && !TARGET_NEWABI.
18058         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18059         * config/mips/mips.c (mips_load_call_address): Check
18060         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18061         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18062         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18063         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18064         TARGET_ABICALLS && TARGET_NEWABI.
18065         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18066         TARGET_ABICALLS.
18067         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18068         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18069         TARGET_ABICALLS && TARGET_NEWABI.
18070         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18071         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18072         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18073         whether indirect calls must use $25.
18074         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18075         TARGET_ABICALLS.
18076         * config/mips/mips.md (jal_macro): Check flag_pic and
18077         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18078         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18079         instead of TARGET_ABICALLS.
18080         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18081         TARGET_ABICALLS && TARGET_OLDABI.
18082         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18083         (sibcall): In the comment above the define_insn, mention
18084         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18085         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18086         instead of TARGET_ABICALLS.
18087
18088 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18089
18090         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18091         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18092         (MACFLAGS_MATCH_P): New macro.
18093         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18094         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18095         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18096         the other MACFLAG constants.
18097         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18098         (flag_machi): Tighten constraints.  Renumber some of the operands.
18099         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18100         output template.
18101         (flag_machi_parts_acconly): New pattern.
18102         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18103         used.
18104         (flag_macinit1hi): Tighten constraints.
18105         (flag_mul_macv2hi_parts_acconly): New pattern.
18106
18107         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18108         Use a more efficient implementation.
18109         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18110         inline sequences when not optimizing for size.
18111
18112         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18113         movhi_high2low): Delete, merge functionality into...
18114         (packv2hi): ... this pattern.
18115
18116         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18117         * config/bfin/bfin.opt (msim): New option.
18118         (mcpu=): New option.
18119         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18120         (bfin_cpu_t): Typedef of enum bfin_cpu.
18121         (bfin_cpu_type): New declaration.
18122         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18123         -msim and -mcpu= options.
18124         (LIB_SPEC): Likewise.
18125         * config/bfin/bfin.c (bfin_cpu_type): Define.
18126         (bfin_handle_option): Handle -mcpu= option.
18127         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18128         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18129         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18130
18131 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18132
18133         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18134         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18135         (powerpc-wrs-vxworksae): Use ${tm_file}.
18136         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18137         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18138         * config/i386/vx-common.h: New file.
18139
18140 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18141
18142         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18143         of crt0.o%s.
18144
18145 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18146
18147         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18148         ldxtr.
18149
18150 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18151
18152         PR c++/31078
18153         PR c++/31103
18154         * c-common.c (c_build_qualified_type): Set canonical type
18155         appropriately.
18156
18157 2007-04-12  Richard Guenther  <rguenther@suse.de>
18158
18159         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18160         lower bound and element size if lower bound is not zero
18161         or either of the ARRAY_REF operands is set.
18162
18163 2007-04-12  Richard Guenther  <rguenther@suse.de>
18164
18165         PR tree-optimization/24689
18166         PR tree-optimization/31307
18167         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18168         indices by value.
18169         * gimplify.c (canonicalize_addr_expr): To be consistent with
18170         gimplify_compound_lval only set operands two and three of
18171         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18172         it never at this place.
18173         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18174
18175 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18176
18177         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18178         null before emitting a .nsubspa directive.
18179
18180 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18181
18182         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18183         need_to_partition_p if there are no memory statements in the
18184         function.
18185
18186 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18187
18188         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18189         (gcd_of_steps_may_divide_p): New function.
18190         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18191
18192 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18193
18194         * reload.c (find_reloads_toplev, find_reloads_address,
18195         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18196         not a pointer equality test, to decide if we need to call
18197         push_reg_equiv_alt_mem.
18198
18199 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18200
18201         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18202         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18203         New.
18204         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18205
18206 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18207
18208         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18209         vector to be positive.
18210
18211 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18212
18213         PR 30735
18214         PR 31090
18215         * doc/invoke.texi: Document --params max-aliased-vops and
18216         avg-aliased-vops.
18217         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18218         debug_memory_partitions): Move to tree-flow.h
18219         * params.h (AVG_ALIASED_VOPS): Define.
18220         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18221         users.
18222         (mp_info_t): Likewise.
18223         (get_mem_sym_stats_for): New.
18224         (set_memory_partition): Move from tree-flow-inline.h.
18225         (mark_non_addressable): Only clear the set of symbols for the
18226         partition if it exists.
18227         (dump_memory_partitions): Move from tree-ssa-operands.c
18228         (debug_memory_partitions): Likewise.
18229         (need_to_partition_p): New.
18230         (dump_mem_ref_stats): New.
18231         (debug_mem_ref_stats): New.
18232         (dump_mem_sym_stats): New.
18233         (debug_mem_sym_stats): New.
18234         (update_mem_sym_stats_from_stmt): New.
18235         (compare_mp_info_entries): New.
18236         (mp_info_cmp): Call it.
18237         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18238         objects.
18239         (get_mpt_for): Move from tree-ssa-operands.c.
18240         (find_partition_for): New.
18241         (create_partition_for): Remove.
18242         (estimate_vop_reduction): New.
18243         (update_reference_counts): New.
18244         (build_mp_info): New.
18245         (compute_memory_partitions): Refactor.
18246         Document new heuristic.
18247         Call build_mp_info, update_reference_counts,
18248         find_partition_for and estimate_vop_reduction.
18249         (compute_may_aliases): Populate virtual operands before
18250         calling debugging dumps.
18251         (delete_mem_sym_stats): New.
18252         (delete_mem_ref_stats): New.
18253         (init_mem_ref_stats): New.
18254         (init_alias_info): Call it.
18255         (maybe_create_global_var): Remove alias_info argument.
18256         Get number of call sites and number of pure/const call sites
18257         from gimple_mem_ref_stats().
18258         (dump_alias_info): Call dump_memory_partitions first.
18259         (dump_points_to_info_for): Show how many times a pointer has
18260         been dereferenced.
18261         * opts.c (decode_options): For -O2 set --param
18262         max-aliased-vops to 500.
18263         For -O3 set --param max-aliased-vops to 1000 and --param
18264         avg-aliased-vops to 3.
18265         * fortran/options.c (gfc_init_options): Remove assignment to
18266         MAX_ALIASED_VOPS.
18267         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18268         * tree-dfa.c (dump_variable): Dump memory reference
18269         statistics.
18270         Dump NO_ALIAS* settings.
18271         (referenced_var_lookup): Tidy.
18272         (mem_sym_stats): New.
18273         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18274         and ORIG are different SSA names for a memory partition.
18275         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18276         * tree-flow.h (struct mem_sym_stats_d): Define.
18277         (mem_sym_stats_t): Define.
18278         (struct mem_ref_stats_d): Define.
18279         (struct gimple_df): Add field mem_ref_stats.
18280         (enum noalias_state): Define.
18281         (struct var_ann_d): Add bitfield noalias_state.
18282         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18283         debug_mem_ref_stats, debug_memory_partitions,
18284         debug_mem_sym_stats): Declare.
18285         * tree-ssa-structalias.c (update_alias_info): Update call
18286         sites, pure/const call sites and asm sites in structure
18287         returned by gimple_mem_ref_stats.
18288         Remove local variable IS_POTENTIAL_DEREF.
18289         Increase NUM_DEREFS if the memory expression is a potential
18290         dereference.
18291         Call update_mem_sym_stats_from_stmt.
18292         If the memory references memory, call
18293         update_mem_sym_stats_from_stmt for all the direct memory
18294         symbol references found.
18295         (intra_create_variable_infos): Set noalias_state field for
18296         pointer arguments according to the value of
18297         flag_argument_noalias.
18298         * tree-ssa-structalias.h (struct alias_info): Remove fields
18299         num_calls_found and num_pure_const_calls_found.
18300         (update_mem_sym_stats_from_stmt): Declare.
18301         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18302         Set default value to 100.
18303         (PARAM_AVG_ALIASED_VOPS): Define.
18304
18305 2007-04-11  Richard Guenther  <rguenther@suse.de>
18306
18307         PR middle-end/31530
18308         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18309         a * -b + c as c - a * b if we honor sign dependent rounding.
18310
18311 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18312
18313         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18314         bfin_expand_strmov.
18315         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18316         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18317         variables.
18318         (initialize_trampoline): Don't use old-style function definition.
18319         (bfin_secondary_reload): Mark IN_P argument as unused.
18320
18321 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18322
18323         PR tree-optimization/31343
18324         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18325         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18326         * testsuite/gcc.dg/vect/pr31343.c: New.
18327
18328 2007-04-10  Eric Christopher  <echristo@apple.com>
18329
18330         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18331         * config/i386/i386.md (*cmpfp0): Use.
18332         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18333         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18334         (fix_trunc<mode>_i386_fisttp): Ditto.
18335         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18336         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18337         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18338         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18339         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18340         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18341         (unnamed_splitters): Ditto.
18342         * config/i386/i386.c (output_fix_trunc): Assert that
18343         we're not being passed a TFmode operand.
18344
18345 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18346
18347         PR tree-optimization/31526
18348         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18349         n_basic_blocks to find newly added blocks.
18350
18351 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18352
18353         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18354         alternative.
18355         (fix_trunc<mode>si_sse): Ditto.
18356         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18357         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18358         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18359         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18360         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18361         expander using SSEMODEF mode macro.
18362         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18363         expander using SSEMODEF mode macro.
18364         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18365         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18366         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18367         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18368         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18369         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18370         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18371         Macroize insn using X87MODEF mode macro.
18372
18373 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18374
18375         * config/i386/sse.md (sse2_pinsrw): Removed.
18376         (sse2_pextrw): Renamed to ...
18377         (*sse2_pextrw): This.
18378
18379 2007-04-09  Jan Hubicka  <jh@suse.cz>
18380
18381         PR target/27869
18382         * config/i386/sse.md
18383         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18384         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18385         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18386         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18387
18388 2007-04-09  Jan Hubicka  <jh@suse.cz>
18389
18390         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18391         multiple fields of union.
18392
18393 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18394
18395         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18396         (create_preheaders): Check that loops are available.
18397         (fix_loop_structure): Clean up, improve comments.
18398         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18399         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18400         state flags.
18401         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18402         * predict.c (tree_estimate_probability): Do not call
18403         calculate_dominance_info.  Call create_preheaders.
18404         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18405         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18406         flags.
18407         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18408         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18409         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18410         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18411         arguments.
18412
18413 2007-04-08  Jan Hubicka  <jh@suse.cz>
18414
18415         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18416         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18417         * fold-const.c (fold_unary): Use it.
18418
18419 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18420
18421         * varasm.c (assemble_variable): Remove call to
18422         lang_hooks.decls.prepare_assemble_variable.
18423         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18424         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18425         * langhooks.h (lang_hooks_for_decls): Remove
18426         prepare_assemble_variable.
18427
18428 2007-04-08  Mike Stump  <mrs@apple.com>
18429
18430         * config/i386/i386.c: Use inc/dec on Core2.
18431
18432 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18433
18434         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18435         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18436         lhd_tree_inlining_end_inlining): Remove.
18437         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18438         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18439         end_inlining hooks.
18440         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18441         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18442         lhd_tree_inlining_end_inlining): Remove prototypes.
18443         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18444         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18445         LANG_HOOKS_TREE_INLINING_START_INLINING,
18446         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18447
18448         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18449         not set it.
18450
18451 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18452
18453         PR target/29932
18454         * config/avr/predicates.md (io_address_operand): Delete predicate.
18455         (low_io_address_operand): Don't use 'mode' argument.
18456         (higth_io_address_operand): Rename ...
18457         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18458         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18459         for above change.
18460
18461 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18462
18463         Revert change removing staticp.
18464
18465 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18466
18467         PR target/30289
18468         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18469         earlyclobber.
18470
18471 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18472
18473         * c.opt: Add -Wformat-contains-nul.
18474         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18475           -Wformat setting.
18476         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18477         the NUL byte warning.
18478
18479 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18480
18481         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18482
18483 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18484
18485         * tree.c (staticp): No longer use staticp langhook.
18486         * langhooks.c (lhd_staticp): Removed.
18487         * langhooks.h (struct lang_hooks): Remove staticp.
18488         * c-common.c (c_staticp): Remove.
18489         * c-common.h (c_staticp): Ditto.
18490         * langhooks-defs.h (lhd_staticp): Ditto.
18491         (LHD_HOOKS_STATICP): Ditto
18492         * tree.h (gcc_assert_lowered): New macro.
18493
18494 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18495
18496         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18497         argument "reliable".
18498         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18499         Add argument "reliable".  Propagate it through calls.
18500         (infer_loop_bounds_from_undefined): Derive number of iterations
18501         estimates from references in blocks that do not dominate loop latch.
18502         (gcov_type_to_double_int): New function.
18503         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18504         and expected_loop_iterations_unbounded.
18505         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18506         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18507         * tree-data-ref.c (estimated_loop_iterations): Export.
18508         (get_references_in_stmt): Fix -- do not return addresses of local
18509         objects.
18510         * cfgloop.h (expected_loop_iterations_unbounded,
18511         estimated_loop_iterations): Declare.
18512
18513 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18514
18515         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18516
18517 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18518
18519         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18520         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18521         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18522         Use output_387_reg_move().
18523         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18524         expander using X87MODEF12 mode macro.
18525         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18526         choosing register preferences.  Use output_387_reg_move().
18527         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18528         instead of "x".  Use output_387_reg_move().
18529         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18530         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18531         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18532         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18533         Use output_387_reg_move().
18534         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18535         mode macro.
18536         (*truncxf?f_i387 splitter): Ditto.
18537
18538 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18539
18540         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18541         LANG_HOOKS_SAFE_FROM_P.
18542         * expr.c (safe_from_p): Remove langhook call.
18543         * langhooks.h (lang_hooks): Remove safe_from_p.
18544         (lhd_safe_from_p): Remove prototype.
18545         * langhooks.c (lhd_safe_from_p): Remove.
18546
18547 2007-04-06  Jan Hubicka  <jh@suse.cz>
18548
18549         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18550         functions.
18551
18552 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18553
18554         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18555         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18556         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18557         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18558         alternative.
18559         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18560         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18561
18562 2007-04-05  Richard Henderson  <rth@redhat.com>
18563
18564         * config/alpha/alpha.c (print_operand) [+]: Remove.
18565         (alpha_end_function): Print nop if call at end of function.
18566         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18567         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18568         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18569         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18570         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18571         the call pattern. Update peepholes to match.
18572
18573 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18574
18575         * doc/extend.texi (Other Builtins): Add decimal float variants
18576         of signbit.
18577         * builtins.def: Ditto.
18578         * builtins.c (expand_builtin): Ditto.
18579
18580 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18581             H.J. Lu  <hongjiu.lu@intel.com>
18582
18583         PR target/31478
18584         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18585         of V8HImode when calling ix86_binary_operator_ok.
18586         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18587         (sdot_prodv8hi): Operands 1 and 2 must be register.
18588
18589 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18590
18591         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18592         initialize align to silence bogus warning.
18593
18594 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18595
18596         PR middle-end/22156
18597         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18598         all_no_warning.
18599         (struct sra_walk_fns): Remove use_all parameter from use.
18600         (sra_hash_tree): Handle BIT_FIELD_REFs.
18601         (sra_elt_hash): Don't hash bitfld blocks.
18602         (sra_elt_eq): Skip them in parent compares as well.  Handle
18603         BIT_FIELD_REFs.
18604         (sra_walk_expr): Don't maintain or pass down use_all_p.
18605         (scan_use): Remove use_all parameter.
18606         (scalarize_use): Likewise.  Re-expand assignment to
18607         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18608         output, and re-scalarize after output.  Don't mark anything
18609         for no warning.
18610         (scalarize_ldst): Adjust.
18611         (scalarize_walk_gimple_modify_statement): Likewise.
18612         (build_element_name_1): Handle BIT_FIELD_REFs.
18613         (instantiate_element): Don't warn for any element whose parent
18614         is used as a whole.
18615         (instantiate_missing_elements_1): Return the sra_elt.
18616         (canon_type_for_field): New.
18617         (try_instantiate_multiple_fields): New.
18618         (instantiate_missing_elemnts): Use them.
18619         (mark_no_warning): Removed.
18620         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18621         (REPLDUP, sra_build_elt_assignment): New.
18622         (generate_copy_inout): Use them.
18623         (generate_element_copy): Likewise.  Handle bitfld differences.
18624         (generate_element_zero): Don't recurse for blocks.  Use
18625         sra_build_elt_assignment.
18626         (generate_one_element_int): Take elt instead of var.  Use
18627         sra_build_elt_assignment.
18628         (generate_element_init_1): Adjust.
18629         (scalarize_use, scalarize_copy): Use REPLDUP.
18630         (scalarize_ldst): Move assert before dereference.
18631         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18632
18633 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18634
18635         * regmove.c: Fix unused variable warnings due to previous commit.
18636
18637 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18638
18639         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18640         (regmove_bb_head): Remove.
18641         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18642         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18643         problems with fixup_match_1.
18644         Don't initialize/free regmove_bb_head.
18645
18646         (reg_is_remote_constant_p): If an insn is in the same basic block
18647         but not before INSN, consider it remote, too.
18648
18649 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18650
18651         PR target/25448
18652         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18653         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18654
18655 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18656
18657         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18658         (CONDITIONAL_REGISTER_USAGE): Likewise.
18659
18660 2007-04-04  Richard Henderson  <rth@redhat.com>
18661
18662         * config/alpha/lib1funcs.asm: Remove unused file.
18663
18664 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18665
18666         PR other/31356
18667         * opts.c (print_specific_help): Fix --help=<language>
18668         header line.
18669         (common_handle_option): Support --help=common.
18670
18671 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18672
18673         PR other/31353
18674         * gcc.c (main): Do not run the linker if
18675         print_subprocess_help indicates that it shouldn't be
18676         run.
18677
18678 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18679
18680         PR doc/31355
18681         * doc/invoke.texi (--help=): Document <languages> value, fix
18682         formatting in tables of values.
18683
18684 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
18685
18686         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
18687         dllimport attribute of virtual methods.
18688
18689 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
18690
18691         * config/score/crti.asm: Change _bss_start to __bss_start.
18692         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
18693         (OUTGOING_REG_PARM_STACK_SPACE) update.
18694         * config/score/score.opt: add options to make backend support
18695         score5, score5u, score7 and score7d.
18696         * config/score/score.md: Likewise.
18697         * config/score/misc.md: Likewise.
18698         * config/score/mac.md: Likewise.
18699         * doc/invoke.texi: Likewise.
18700         * doc/md.texi: update constraints define.
18701
18702 2007-04-03  Richard Henderson  <rth@redhat.com>
18703
18704         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
18705         an appropriate type, use the mode instead.
18706
18707 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
18708
18709         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
18710         Set the default --with-arch setting to mips2.
18711         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
18712         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
18713         (MULTILIB_OSDIRNAMES): Delete.
18714         (MULTILIB_DIRNAMES): Define.
18715         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
18716         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
18717         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
18718         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
18719         VXWORKS_OS_CPP_BUILTINS.
18720         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
18721         (MIPS_DEBUGGING_INFO): Undefine.
18722         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
18723
18724 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
18725
18726         PR middle-end/30704
18727         * fold-const.c (native_encode_real): Encode real.c provided longs
18728         as a series of 32-bit native integers.
18729         (native_interpret_real): Interpret buffer as a series of 32-bit
18730         native integers.
18731
18732 2007-04-03  Richard Guenther  <rguenther@suse.de>
18733
18734         * genpreds.c (write_insn_constraint_len): Write function
18735         optimized for CONSTRAINT_LEN implementation.
18736         (write_tm_preds_h): Output insn_constraint_len inline and
18737         use it for CONSTRAINT_LEN.
18738         (write_insn_preds_c): Don't output insn_constraint_len.
18739         * doc/md.texi (define_register_constraint): Document multi-letter
18740         constraints shall have the same length if they start with the same
18741         letter.
18742
18743 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18744
18745         PR target/31175
18746         * config/i386/i386.md (isinf<mode>2): Expand only when
18747         TARGET_C99_FUNCTIONS is set.
18748
18749 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
18750
18751         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
18752         (x86_64-*-linux*): Ditto.
18753         * config/i386/i386.opt (mpc): New option.
18754         * config/i386/i386.c (overrride_options): Handle
18755         ix87_precision_string.
18756         * config/i386/crtprec.c: New file.
18757         * config/i386/t-crtpc: Ditto.
18758         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
18759         and -mpc80 options.
18760         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
18761         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
18762         crtprec32.o, crtprec64.o and crtprec80.o.
18763
18764         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
18765         and -mpc80 options.
18766         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
18767
18768 2007-04-02  Eric Christopher  <echristo@apple.com>
18769
18770         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
18771         limitations on darwin.
18772
18773 2007-04-02  Anatoly Sokolov <aesok@post.ru>
18774
18775         PR target/31137
18776         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
18777
18778 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18779
18780         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
18781
18782 2007-04-02  Dave Korn  <dave.korn@artimi.com>
18783
18784         * libgcc2.h (exception_descriptor): Don't forward-declare.
18785         (__get_eh_table_language, __get_eh_table_version): Delete
18786         prototypes of long-dead functions.
18787
18788 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
18789
18790         * ebitmap.h: New file
18791         * ebitmap.c: New file
18792         * Makefile.in (ebitmap.o): New target.
18793
18794 2007-04-01  Jan Hubicka  <jh@suse.cz>
18795
18796         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
18797         before very first instruction.
18798
18799 2007-04-01  Jan Hubicka  <jh@suse.cz>
18800
18801         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
18802         waring on 64bit hosts.
18803         * bitmap.h: Fix typo in bitmap_head_def.
18804
18805 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
18806
18807         PR rtl-optimization/31391
18808         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
18809         into a DELETED_LABEL note, and the label is in an empty basic
18810         block, update BB_END as well as BB_HEAD.
18811
18812 2007-04-01  Richard Henderson  <rth@redhat.com>
18813
18814         PR tree-optimization/31169
18815         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
18816         to varying if the range is outside [0,  prec-1].
18817
18818 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
18819
18820         PR target/31388
18821         * config/mips/mips.md (load_const_gp): New insn.
18822         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
18823         the MIPS16 GP pseudo register if no_new_pseudos.
18824         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
18825
18826 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18827
18828         PR target/31364
18829         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
18830         secureplt.
18831         (call_value): Likewise.
18832
18833 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
18834             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18835
18836         PR 14737
18837         * doc/invoke.texi: (optimization options): Reword description
18838         of -ffast-math. Document its primary purpose.
18839
18840 2007-03-31  Richard Guenther  <rguenther@suse.de>
18841
18842         * omp-low.c (splay-tree.h): Include.
18843         (lookup_decl): Replace splay-tree usage by pointer-map.
18844         (maybe_lookup_decl): Likewise.
18845         (new_omp_context): Likewise.
18846         (delete_omp_context): Likewise.
18847         * gimplify.c (splay-tree.h): Include.
18848         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
18849         pointer-map.
18850         (remap_ssa_name): Likewise.
18851         (remap_decl): Likewise.
18852         (remap_type_1): Likewise.
18853         (remap_type): Likewise.
18854         (copy_body_r): Likewise.
18855         (expand_call_inline): Likewise.
18856         (clone_body): Likewise.
18857         (copy_tree_r): Likewise.
18858         (remap_save_expr): Likewise.
18859         (unsave_r): Likewise.
18860         (unsave_expr_now): Likewise.
18861         (tree_function_versioning): Likewise.
18862         (build_duplicate_type): Likewise.
18863         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
18864         (struct copy_body_data): Replace splay-tree by pointer-map.
18865         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
18866         not $(SPLAY_TREE_H).
18867         (gimplify.o): Depend on $(SPLAY_TREE_H).
18868         (omp-low.p): Likewise.
18869
18870 2007-03-31  Anatoly Sokolov <aesok@post.ru>
18871
18872         * config/avr/predicates.md (even_register_operand,
18873         odd_register_operand): New predicates.
18874         * config/avr/avr.md (movw peephole2): New.
18875         (movw_r peephole2): New.
18876
18877 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
18878
18879         * tree.h (get_signed_or_unsigned_type): New.
18880         * fold-const.c (operand_equal_for_comparison_p): Use
18881         get_signed_or_unsigned_type instead of
18882         lang_hooks.types.signed_or_unsigned_type.
18883         * expr.c (store_expr): Ditto.
18884         * langhooks.c (get_signed_or_unsigned_type): New.
18885         (lhd_signed_or_unsigned_type): New.
18886         * langhooks.h (lhd_signed_or_unsigned_type): New.
18887         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
18888
18889 2007-03-30  Richard Henderson  <rth@redhat.com>
18890
18891         * tree-ssa-loop-ivopts.c: Include target.h.
18892         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
18893         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
18894         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
18895         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
18896
18897 2007-03-30  Richard Henderson  <rth@redhat.com>
18898             Kai Tietz  <kai.tietz@onevision.com>
18899
18900         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
18901         default for 64-bit.
18902         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
18903         (TARGET_64BIT_MS_ABI): New.
18904         (DBX_REGISTER_NUMBER): Handle 64-bit.
18905         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
18906         (LONG_TYPE_SIZE): Force to 32.
18907         (REG_PARM_STACK_SPACE): New.
18908         (OUTGOING_REG_PARM_STACK_SPACE): New.
18909         (REGPARM_MAX, SSE_REGPARM_MAX): New.
18910         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18911         (STACK_BOUNDARY): Use 128 for 64-bit.
18912         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
18913         Add 64-bit implementation.
18914         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
18915         argument unused.
18916         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
18917         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
18918         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
18919         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
18920         (ix86_handle_cconv_attribute): Don't warn when ignoring if
18921         TARGET_64BIT_MS_ABI.
18922         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
18923         (ix86_pass_by_reference): Likewise.
18924         (ix86_function_value_regno_p): Likewise.
18925         (ix86_build_builtin_va_list): Likewise.
18926         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
18927         (function_arg_advance_ms_64): New.
18928         (function_arg_advance): Call it.
18929         (function_arg_ms_64): New.
18930         (function_arg): Call it.
18931         (function_value_ms_64): New.
18932         (ix86_function_value_1): Call it.
18933         (return_in_memory_ms_64): New.
18934         (ix86_return_in_memory): Call it.
18935         (setup_incoming_varargs_ms_64): New.
18936         (ix86_setup_incoming_varargs): Call it.
18937         (ix86_expand_prologue): Handle 64-bit stack probing.
18938         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
18939         (output_pic_addr_const): Likewise.
18940         (x86_this_parameter): Likewise.
18941         (x86_output_mi_thunk): Likewise.
18942         (x86_function_profiler): Likewise.
18943         (TARGET_STRICT_ARGUMENT_NAMING): New.
18944         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
18945         (TARGET_64BIT_MS_ABI): New.
18946         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
18947         * config/i386/i386.md (allocate_stack_worker): Remove.
18948         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
18949         describe the clobber of eax without a match_scratch.
18950         (allocate_stack_worker_postreload): Remove.
18951         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
18952         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
18953         (allocate_stack_worker_rex64_postreload): Remove.
18954         (allocate_stack): Handle 64-bit.
18955         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
18956         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
18957         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
18958         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
18959         (STANDARD_STARTFILE_PREFIX_1): Likewise.
18960         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
18961         * config.build (x86_64-*-mingw*): New host.
18962         * config.host (x86_64-*-mingw*): New host.
18963         * config.gcc (x86_64-*-mingw*): New target.
18964         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
18965
18966 2007-03-30  Richard Henderson  <rth@redhat.com>
18967             Kai Tietz  <kai.tietz@onevision.com>
18968
18969         * c-pragma.c (struct def_pragma_macro_value): New.
18970         (struct def_pragma_macro): New.
18971         (pushed_macro_table): New.
18972         (dpm_hash, dpm_eq): New.
18973         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
18974         (init_pragma): Install them.
18975         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
18976
18977 2007-03-30  Anatoly Sokolov <aesok@post.ru>
18978
18979         * config/avr/avr.c (avr_override_options): Clear
18980         'flag_delete_null_pointer_checks'.
18981
18982 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
18983
18984         PR c++/26099
18985         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
18986         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
18987         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
18988         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
18989         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
18990         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
18991         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
18992         C++ extensions.
18993         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
18994
18995 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
18996
18997         * regmove.c: Move all of pass_stack_adjustments from here...
18998         * combine-stack-adj.c: ...to this new file.
18999         * Makefile.in: Add rules for combine-stack-adj.o.
19000
19001 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19002
19003         PR tree-optimization/31383
19004         * tree-data-ref.c (affine_function_equal_p): Do not require the
19005         vectors to have the same length.
19006
19007 2007-03-30  Jan Hubicka  <jh@suse.cz>
19008
19009         PR middle-end/30700
19010         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19011         availablility; add more sanity checking; ask varpool only about
19012         VAR_DECL.
19013
19014 2007-03-29  Richard Henderson  <rth@redhat.com>
19015
19016         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19017         to decide, but __SIZEOF_LONG_LONG__.
19018
19019 2007-03-29  Richard Henderson  <rth@redhat.com>
19020
19021         * emutls.c (struct __emutls_array): New.
19022         (emutls_destroy): Use it instead of casting element 0 from void*.
19023         (__emutls_get_address): Likewise.
19024
19025 2007-03-29  Richard Henderson  <rth@redhat.com>
19026
19027         * varasm.c (initializer_constant_valid_p): Don't deny
19028         DECL_DLLIMPORT_P on functions.
19029
19030         * config/i386/cygming.h: Remove function declarations.
19031         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19032         (ASM_OUTPUT_LABELREF): Remove.
19033         (COMMON_ASM_OP): Remove.
19034         (ASM_OUTPUT_COMMON): Remove.
19035         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19036         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19037         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19038         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19039         Rename from TARGET_ENCODE_SECTION_INFO.
19040         * config/i386/netware.h: Likewise.
19041         * config/i386/i386-protos.h: Update.
19042         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19043         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19044         (legitimate_constant_p): Reject dllimports.
19045         (dllimport_map, get_dllimport_decl): New.
19046         (legitimize_dllimport_symbol): New.
19047         (legitimize_address, ix86_expand_move): Use it.
19048         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19049         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19050         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19051         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19052         * config/i386/predicates.md (constant_call_address_operand): Only
19053         accept symbols; reject dllimport_p symbols.
19054         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19055         i386_pe_maybe_record_exported_symbol.
19056         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19057         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19058         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19059         trust the setting of DECL_DLLIMPORT_P.
19060         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19061         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19062         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19063         tidy the argument scanning loop.
19064         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19065         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19066         (i386_pe_strip_name_encoding): Remove.
19067         (i386_pe_binds_local_p): New.
19068         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19069         (i386_pe_output_labelref): Remove.
19070         (i386_pe_asm_output_aligned_decl_common): New.
19071         (i386_pe_maybe_record_exported_symbol): Rename from
19072         i386_pe_record_exported_symbol; check for dllexported symbols.
19073
19074 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19075
19076         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19077         add comment explaining why vsnprintf cannot be used.
19078
19079 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19080
19081         PR tree-optimization/30666
19082         * tree.c (build_complex_type): When creating type names for DWARF2
19083         debug info, create TYPE_DECLs for TYPE_NAME instead of
19084         IDENTIFIER_NODEs.
19085         (build_common_tree_nodes_2): Use build_complex_type when building
19086         predefined complex types, to preserve canonical types.
19087
19088 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19089
19090         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19091         (noce_get_alt_condition): Look at it to determine whether to
19092         reverse the condition or not.
19093         (noce_get_condition): Substitute the truth for lies.
19094         (noce_find_if_block): Set the then_else_reversed field.
19095
19096 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19097
19098         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19099         destination of this insn.
19100         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19101         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19102         'address + 4' rather than a stack based temporary which can be
19103         mis-optimized away.
19104
19105 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19106
19107         * config/s390/s390.c (s390_secondary_input_reload_class,
19108         s390_secondary_output_reload_class): Functions removed.
19109         (s390_secondary_reload): New function.
19110         (TARGET_SECONDARY_RELOAD): Target macro defined.
19111         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19112         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19113         * config/s390/s390.md ("reload_outti", "reload_outdi",
19114         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19115         "reload_out<mode>"): Expanders removed.
19116         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19117         "reload<mode>_nonoffmem_out"): Expanders added.
19118
19119 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19120
19121         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19122         action if SRC->DEST replacement failed anyway.
19123
19124 2007-03-28  Mike Stump  <mrs@apple.com>
19125
19126         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19127         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19128         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19129
19130 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19131
19132         * config.gcc: Accept barcelona as a variant of amdfam10.
19133         * config/i386/i386.c (override_options): Likewise.
19134         * doc/invoke.texi: Likewise.
19135
19136 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19137
19138         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19139         offsets for BIT_FIELD_REF and COMPONENT_REF.
19140
19141 2007-03-28  Richard Guenther  <rguenther@suse.de>
19142
19143         * tree.c (is_global_var): Move ...
19144         * tree-flow-inline.h (is_global_var): ... here.
19145         * tree.h (is_global_var): Remove declaration.
19146
19147 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19148
19149         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19150         option.
19151         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19152         * config/i386/i386.c (ix86_tune_features): Initialize new
19153         tuning option.
19154         * config/i386/predicates.md (promotable_binary_operator): Use
19155         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19156
19157 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19158
19159         PR target/31380
19160         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19161
19162 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19163
19164         * config/fr30/fr30.md (movsi_internal): Change destination
19165         constraint from m to V and add m to the end.
19166
19167 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19168
19169         * config/sh/sh.md (movsi_i): Fix type attribute.
19170
19171 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19172
19173         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19174         (movsf_ie): Likewise.
19175
19176 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19177
19178         * config.gcc: Add sh4-300 to multilib.
19179         * config/sh/t-mlib-sh4-300: New file.
19180
19181 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19182
19183         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19184         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19185         fix_trunc<mode>di2.
19186         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19187         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19188         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19189         "fixuns_trunctddi2"): Whitespace fix.
19190
19191 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19192
19193         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19194         the definition of struct sh_args.
19195         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19196         CALL_COOKIE_INT_REG_GET): Likewise.
19197
19198 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19199
19200         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19201         transformations are applied successfully.
19202
19203 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19204
19205         * tree.c (tree_contains_struct): Permit 512 tree codes.
19206         * tree.h (tree_contains_struct): Ditto.
19207         (MAX_TREE_CODES): Ditto.
19208         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19209         SPARE member to store remaining padding bits.
19210
19211 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19212
19213         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19214         architecture.
19215
19216 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19217
19218         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19219         * configure: Regenerate.
19220
19221         * configure: Regenerate using the correct version of autoconf.
19222
19223 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19224
19225         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19226         pointer regs.
19227         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19228         regs to "__SP_L__" and "__SP_H__".
19229
19230 2007-03-27  Richard Guenther  <rguenther@suse.de>
19231
19232         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19233         computations with it with a HOST_WIDE_INT variable.
19234
19235 2007-03-26  Mike Stump  <mrs@apple.com>
19236
19237         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19238         objective-c-header, objective-c++-header and objc++-cpp-output
19239         support.
19240         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19241
19242 2007-03-26  Richard Henderson  <rth@redhat.com>
19243
19244         PR target/31361
19245         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19246         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19247         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19248         IX86_BUILTIN_PSRLQ128): New.
19249         (ix86_init_mmx_sse_builtins): Add them.
19250         (ix86_expand_builtin): Expand them.
19251         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19252         operand 2 be TImode.
19253         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19254         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19255         _mm_srli_epi64): Mark __B const.
19256         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19257         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19258         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19259         new two-vector shift builtins.
19260
19261 2007-03-26  Ian Lance Taylor  <iant@google.com>
19262
19263         PR tree-optimization/31345
19264         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19265         [+INF, +INF(OVF)] into VARYING.
19266
19267 2007-03-26  Zack Weinberg  <zackw@panix.com>
19268
19269         * gengtype-parse.c: New file.
19270         * gengtype-yacc.y: Delete.
19271         * gengtype-lex.l: Don't include gengtype-yacc.h.
19272         Define YY_DECL and yyterminate appropriately for recursive
19273         descent parser.  yylval is now a string out-parameter to yylex.
19274         (HWS, EOID): New shorthand.
19275         (IWORD): Add a couple more types.
19276         (yylex): Add a setup stanza.  Remove the complex rules for
19277         detecting GTY'ed types and typedefs; replace with simple
19278         keyword detectors.  Adjust everything for the changed
19279         definition of yylval.  Ignore all pp-directives, not just #define.
19280         (yyerror): Delete.
19281         (parse_file): Rename yybegin; do not call yyparse.
19282         (yyend): New.
19283         * gengtype.c (xasprintf): Export again.
19284         (this_file): New.  Use everywhere __FILE__ was being used.
19285         (get_lang_bitmap): Special case types defined in gengtype.c.
19286         (do_typedef, new_structure): Suppress definition of certain types.
19287         (new_structure): Improve diagnostics of duplicate definitions.
19288         Make sure location_s is associated with input.h.
19289         (nreverse_pairs, define_location_structures): New functions.
19290         (main): Improve tagging of kludge types.  Remove old kludges
19291         for input.h types; use define_location_structures.
19292         * gengtype.h: Update prototypes.  Define token codes here.
19293         * Makefile.in: Remove all references to gengtype-yacc.
19294         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19295         and gengtype.
19296         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19297         add GTY((skip)) to the field that's only conditionally there.
19298         * doc/install.texi: Document that Bison is no longer required
19299         unless building treelang.
19300
19301         * gengtype.c: Don't include gtyp-gen.h.
19302         (srcdir): Declare here.
19303         (base_files, lang_dir_names): Allocate dynamically.
19304         (gt_files, num_gt_files, num_lang_dirs): New globals.
19305         (measure_input_list, read_input_line, read_input_list)
19306         (set_lang_bitmap): New functions.
19307         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19308         simplify, relying on read_input_list to set up the bitmaps.
19309         (main): Arguments are no longer unused.  Check for correct number
19310         of command line arguments, set srcdir and srcdir_len, then call
19311         read_input_list, before doing anything else.  No need to worry
19312         about duplicates in main loop.
19313         * configure.ac: Simplify the calculation of all_gtfiles.
19314         Put language tags in there.  Don't set or substitute
19315         all_gtfiles_files_langs or all_gtfiles_files_frags.
19316         * Makefile.in: Revamp the way gengtype is invoked, now that it
19317         takes a file on its command line with a much simpler format.
19318         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19319         (GTFILES): Remove duplicates and C source files.
19320         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19321         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19322         * configure: Regenerate.
19323
19324         * gengtype.h: Remove all type definitions to gengtype.c; leave
19325         only definitions of options_p, type_p, and pair_p as opaque
19326         pointers.  Update prototypes.
19327         * gengtype.c: Many type definitions moved here from gengtype.h.
19328         Consolidate type definitions at the top of the file.
19329         (xvasprintf): Delete.
19330         (xasprintf): Make static.
19331         (create_nested_pointer_option): Add 'next' parameter.
19332         (create_field_all, create_field_at): New functions.
19333         (create_field): Now a thin wrapper around create_field_all.
19334         (create_optional_field): Rename create_optional_field_ and add
19335         line argument.  Original name is now a macro which supplies
19336         __LINE__.
19337         (oprintf): Use vsnprintf directly.
19338         (close_output_files): Use fatal rather than perror/exit.
19339         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19340         (main): Set progname.  Don't use exit.
19341         * gengtype-yacc.y (struct_fields): Use create_field_at.
19342         (option, optionseqopt): Delete.
19343         (optionseq): Consolidate productions from option here so we
19344         can use the first argument to create_option.
19345
19346         * gengtype-lex.l: Distinguish unions from structures in the
19347         token type.  Don't call find_structure; return the tag as a string.
19348         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19349         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19350         string.  Reorganize typedef_struct production accordingly.
19351         Use create_nested_ptr_option.
19352         * gengtype.c (create_nested_ptr_option): New function.
19353         * gengtype.h: Declare it.
19354
19355         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19356         (string_type): Don't declare.
19357         (do_scalar_typedef): Declare.
19358         (create_scalar_type): Update prototype.
19359         * gengtype.c (string_type): Make static.
19360         (scalar_nonchar, scalar_char): New.
19361         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19362         (resolve_typedef): Use scalar_nonchar for error recovery.
19363         (create_scalar_type): Remove name_len field.  Return scalar_char
19364         or scalar_nonchar as appropriate.
19365         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19366         to use string_type.
19367         (throughout): Use scalar_nonchar instead of calling
19368         create_scalar_type, whenever possible.
19369         (main): Initialize scalar_char and scalar_nonchar before calling
19370         gen_rtx_next.
19371         * gengtype-lex.l: Adjust for removal of second argument to
19372         create_scalar_type.  Use yylval.s instead of yylval.t when
19373         returning SCALAR.
19374         * gengtype-yacc.y: Type of SCALAR is string.  Call
19375         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19376         second argument to create_scalar_type.
19377
19378         * vec.h: Remove all #if IN_GENGTYPE blocks.
19379         Add comment saying that changes may require adjustments to gengtype.
19380         * gengtype.c: Don't include coretypes.h or tm.h.
19381         Add comment to inclusion of errors.h.
19382         (note_def_vec, note_def_vec_alloc): New functions.
19383         * gengtype.h: Declare new functions.
19384         * gengtype-lex.l: Don't include coretypes.h.
19385         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19386         Delete.
19387         (update_lineno): Remove unnecessary prototype.
19388         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19389         (VEC rule): Just return VEC_TOKEN.
19390         * gengtype-yacc.y (VEC_TOKEN): New token type.
19391         (type): Add a production for VEC(a,b).
19392         * Makefile.in: Update dependencies.
19393
19394         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19395         typedefs that use the old PARAMS macro.
19396
19397         * gengtype-lex.l: Remove all rules and states relating to yacc
19398         input files.
19399         * gengtype-yacc.y: Similarly.
19400         * gengtype.c (note_yacc_type): Delete function.
19401         * gengtype.h: Update prototypes.
19402
19403 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19404
19405         * tree-pretty-print.c (dump_generic_node): Report precision of
19406         unnamed integer types.
19407
19408 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19409
19410         * ifcvt.c (noce_try_store_flag_constants): Don't check
19411         no_new_pseudos here.
19412         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19413         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19414         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19415         noce_try_sign_mask): Likewise.
19416         (if_convert): Check no_new_pseudos here.
19417
19418         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19419         Remove prototypes.
19420         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19421         (noce_get_condition): Handle new then_else_reversed argument.
19422         (noce_init_if_info): Remove, fold into noce_find_if_block.
19423         (noce_process_if_block): Take a struct noce_if_info as the
19424         argument.  Don't set up one based on ce_if_info.  Update pointer
19425         references accordingly.
19426         (cond_move_process_if_block): Likewise.
19427         (process_if_block): Removed.
19428         (find_if_block): Removed.  Move functionality two new functions,
19429         noce_find_if_block and cond_exec_find_if_block.
19430         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19431         blocks and the symmetric IF-ELSE-JOIN case.
19432         (cond_exec_find_if_block): Also new function mostly based on old
19433         find_if_block and process_if_block.
19434         (find_if_header): Replace find_if_block call with separately
19435         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19436         (find_cond_trap): Update noce_get_condition call.
19437         (dead_or_predicable): Likewise.
19438
19439 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19440
19441         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19442         Remove.
19443         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19444         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19445         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19446         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19447         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19448         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19449         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19450         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19451         __builtin_ia32_psrad128 builtins.
19452
19453 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19454
19455         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19456         * config/i386/constraints.md
19457         (define_constraint "I"): Use IN_RANGE macro.
19458         (define_constraint "J"): Ditto.
19459         (define_constraint "K"): Ditto.
19460         (define_constraint "M"): Ditto.
19461         (define_constraint "N"): Ditto.
19462         (define_constraint "O"): Ditto.
19463         * config/i386/predicates.md
19464         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19465         (define_predicate "const_0_to_3_operand"): Ditto.
19466         (define_predicate "const_0_to_7_operand"): Ditto.
19467         (define_predicate "const_0_to_15_operand"): Ditto.
19468         (define_predicate "const_0_to_63_operand"): Ditto.
19469         (define_predicate "const_0_to_255_operand"): Ditto.
19470         (define_predicate "const_1_to_31_operand"): Ditto.
19471         (define_predicate "const_2_to_3_operand"): Ditto.
19472         (define_predicate "const_4_to_7_operand"): Ditto.
19473
19474 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19475
19476         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19477         in SImode for save_world.
19478         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19479         LR hard reg.
19480
19481 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19482
19483         PR tree-optimization/30784
19484         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19485         BIT_FIELD_REF.
19486
19487 2007-03-25  Revital Eres  <eres@il.ibm.com>
19488
19489         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19490           Fold movement_possibility function into it.
19491
19492 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19493
19494         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19495         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19496         (call_indirect_nonlocal_darwin64): Same.
19497         (call_nonlocal_darwin64): Same.
19498         (call_value_indirect_nonlocal_darwin64): Same.
19499         (call_value_nonlocal_darwin64): Same.
19500         (sibcall_nonlocal_darwin64): Same.
19501         (sibcall_value_nonlocal_darwin64): Same.
19502         (sibcall_symbolic_64): Same.
19503         (sibcall_value_symbolic_64): Same.
19504         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19505         LR pseudo.
19506         (rs6000_emit_load_toc_table): Same.
19507         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19508         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19509         (mull_call): Same.
19510         (divss_call): Same.
19511         (divus_call): Same.
19512         (quoss_call): Same.
19513         (quous_call): Same.
19514         (load_toc_v4_pic_si): Same
19515         (load_toc_v4_PIC_1): Same.
19516         (load_toc_v4_PIC_1b): Same.
19517         (call_indirect_aix{32,64}): Same.
19518         (call_value_indirect_aix{32,64}): Same.
19519         (call): Same.
19520         (call_value): Same.
19521         (call_local{32,64}): Same.
19522         (call_value_local{32,64}): Same.
19523         (call_indirect_nonlocal_aix{32,64}): Same.
19524         (call_nonlocal_aix{32,64}): Same.
19525         (call_value_indirect_nonlocal_aix{32,64}): Same.
19526         (call_value_nonlocal_aix{32,64}): Same.
19527         (call_indirect_nonlocal_sysv<mode>): Same.
19528         (call_nonlocal_sysv<mode>): Same.
19529         (call_value_indirect_nonlocal_sysv<mode>): Same.
19530         (call_value_nonlocal_sysv<mode>): Same.
19531         (sibcall): Same.
19532         (sibcall_local{32,64}): Same.
19533         (sibcall_value_local{32,64}): Same.
19534         (sibcall_nonlocal_aix{32,64}): Same.
19535         (sibcall_value_nonlocal_aix{32,64}): Same.
19536         (sibcall_nonlocal_sysv<mode>): Same.
19537         (sibcall_value): Same.
19538         (sibcall_value_nonlocal_sysv<mode>): Same.
19539
19540 2007-03-24  Paul Brook  <paul@codesourcery.com>
19541
19542         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19543         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19544
19545 2007-03-24  Richard Henderson  <rth@redhat.com>
19546
19547         * config/ia64/constraints.md: New file.
19548         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19549         satisfies_constraint_?.
19550         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19551         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19552         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19553         ia64_output_mi_thunk): Likewise.
19554         (ia64_const_ok_for_letter_p): Remove.
19555         (ia64_const_double_ok_for_letter_p): Remove.
19556         (ia64_extra_constraint): Remove.
19557         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19558         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19559         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19560         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19561         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19562         EXTRA_MEMORY_CONSTRAINT): Remove.
19563         * config/ia64/ia64.md: Include constriants.md.  Replace
19564         CONST_OK_FOR_? with satisfies_constraint_?.
19565
19566 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19567             H.J. Lu  <hongjiu.lu@intel.com>
19568
19569         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19570         DPD or BID name.
19571         (name macros): Use DPD_BID_NAME to convert names properly.
19572
19573         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19574         decimal floating point format.
19575         (init_floating_libfuncs): Change decimal functions so that they
19576         have a "bid_" prefix if the decimal system uses the BID format,
19577         and "dpd_" prefix if the decimal system uses the DPD format.
19578         (init_interclass_conv_libfuncs): Ditto.
19579         (init_intraclass_conv_libfuncs): Ditto.
19580
19581         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19582         using the BID format.
19583
19584         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19585         whether we are using the BID decimal format.
19586         * configure: Regenerate.
19587
19588         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19589         the compiler has decimal floating point enabled.  Define
19590         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19591         instead of DPD.
19592
19593         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19594         using the BID format.
19595
19596         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19597         whether we are using the BID decimal format.
19598         * configure: Regenerate.
19599
19600         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19601         the compiler has decimal floating point enabled.  Define
19602         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19603         instead of DPD.
19604
19605         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19606         options, and that it is enabled for i386/x86_64 systems.
19607
19608         * Makefile.in (enable_decimal_float): New.
19609         (DECNUMFMT): New.
19610         (DECNUMINC): Add  -I$(DECNUMFMT).
19611         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19612         to $(DECNUMFMT) from $(DECNUM).
19613
19614         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19615         Substitute enable_decimal_float.
19616         * configure: Regenerated.
19617
19618         PR other/30529
19619         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19620         unsigned long.
19621
19622         * configure.ac: Enable decimal float for x86_64-*-linux*.
19623         * configure: Regenerated.
19624
19625         PR other/30530
19626         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19627         decimal128ClearSign to flip and clear the sign bit in decimal128.
19628         (decimal_real_maxval): Set decimal128SetSign to set the sign
19629         bit in decimal128.
19630
19631 2007-03-23  Ian Lance Taylor  <iant@google.com>
19632
19633         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19634
19635 2007-03-23  Ian Lance Taylor  <iant@google.com>
19636
19637         * tree-dump.c (dump_files): Correct comment.
19638
19639 2007-03-23  Ian Lance Taylor  <iant@google.com>
19640
19641         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19642
19643 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19644
19645         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19646         in cfglayout mode.  Don't go into and out of cfglayout mode.
19647         Link the blocks in the order of the constructed traces.
19648         (rest_of_handle_tracer): Adjust call to tracer.
19649         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19650         Don't go into cfglayout mode.
19651         (rtl_loop_done): Don't go out of cfglayout mode.
19652         * cfglayout.c (relink_block_chain): New function, split out from...
19653         (fixup_reorder_chain): ...here.  Remove redundant checking.
19654         (cfg_layout_finalize): Don't clear the header, footer, and aux
19655         fields here, move the code to do so to relink_block_chain.  Likewise
19656         for free_original_copy_tables.
19657         * rtl.h (tracer): Update prototype.
19658         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19659         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19660         mode.  Use relink_block_chain to serialize the CFG according to the
19661         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19662         here...
19663         (gate_handle_reorder_blocks): ...to here.
19664         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19665         from here...
19666         (gate_duplicate_computed_gotos): ...to here.
19667         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19668         something always changes when going into and out of cfglayout mode.
19669         Perform an expensive cfg cleanup while going into cfglayout mode.
19670         Always update liveness information on HAVE_conditional_execution
19671         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19672         * reg-stack.c: Include cfglayout.h.
19673         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19674         the call to reorder_basic_blocks.
19675         * basic-block.h (reorder_basic_blocks): Update prototype.
19676         (relink_block_chain): New prototype.
19677         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19678
19679 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19680
19681         * config/mips/mips.md (type, hazard, *movdi_32bit,
19682         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
19683         *movhi_internal, *movqi_internal, *movsf_hardfloat,
19684         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
19685         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
19686         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
19687         applicable.
19688         (movcc): Change first xfer to multi.
19689         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
19690         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
19691         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
19692         config/mips/generic.md: Change reservations using "xfer" to use
19693         "mfc,mtc".
19694         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
19695         using match_operand.
19696         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
19697         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
19698         examining mode.
19699         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
19700
19701 2007-03-22  Richard Henderson  <rth@redhat.com>
19702
19703         * config/i386/i386.c: Remove unnecessary function declarations.
19704         Move targetm definition, and all related macros, to the end of
19705         the file.  Resort some functions to put definitions before uses.
19706         (ix86_attribute_table): Make static.  Move to end of file.
19707         (ix86_gimplify_va_arg): Make static.
19708
19709 2007-03-22  Richard Henderson  <rth@redhat.com>
19710
19711         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
19712         don't increase local_regparm with force_align_arg_pointer check.
19713         (ix86_function_sseregparm): Assert 32-bit.
19714         (type_has_variadic_args_p): New.
19715         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
19716         type_has_variadic_args_p.
19717         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
19718         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
19719         use memset instead.  Do maybe_vaarg check first; skip attribute
19720         tests if true; skip attribute tests for 64-bit.
19721         (construct_container): Remove TARGET_DEBUG_ARG.
19722         (function_arg_advance_32, function_arg_advance_64): Split out ...
19723         (function_arg_advance): ... from here.
19724         (function_arg_32, function_arg_64): Split out ...
19725         (function_arg): ... from here.
19726         (ix86_pass_by_reference): Tidy.
19727         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
19728         (function_value_32): New, from parts of ix86_function_value
19729         and ix86_value_regno.
19730         (function_value_64): New, from parts of ix86_function_value
19731         and ix86_libcall_value.
19732         (ix86_function_value_1): New.
19733         (ix86_function_value, ix86_libcall_value): Use it.
19734         (return_in_memory_32, return_in_memory_64): Split out ...
19735         (ix86_return_in_memory): ... from here.
19736         (ix86_struct_value_rtx): Skip for 64-bit.
19737         (ix86_libcall_value, ix86_value_regno): Remove.
19738         (setup_incoming_varargs_64): Split out ...
19739         (ix86_setup_incoming_varargs): ... from here.
19740         (ix86_va_start): Remove TARGET_DEBUG_ARG.
19741         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
19742         * config/i386/i386-protos.h (ix86_function_value): Remove.
19743         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
19744
19745 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19746
19747         PR other/23572
19748         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
19749         infinities not supported, otherwise emit warning if -Woverflow. On
19750         underflow, emit warning if -Woverflow.
19751         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
19752         and 0 otherwise.
19753         * real.h (real_from_string): Update declaration
19754
19755 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
19756             Richard Henderson  <rth@redhat.com>
19757
19758         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
19759         * calls.c (compute_argument_block_size, expand_call,
19760         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
19761         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
19762         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
19763         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
19764         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
19765         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
19766         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
19767         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
19768         Set to 1.
19769
19770 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
19771
19772         * c-incpath.c (add_sysroot_to_chain): New.
19773         (merge_include_chains): Add sysroot argument.  Call
19774         add_sysroot_to_chain if sysrooted.
19775         (register_include_chains): Update call to merge_include_chains.
19776         * doc/cppopts.texi: Document use of '=' in include directory
19777         arguments.
19778
19779 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
19780
19781         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
19782         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
19783         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
19784         insn pattern using X87MODEF12 mode macro.
19785
19786 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
19787
19788         * regmove.c (regmove_optimize): Use reg_mentioned_p
19789         instead of reg_overlap_mentioned_p for DST.
19790
19791 2007-03-21  Mike Stump  <mrs@apple.com>
19792
19793         * c.opt: Fixup for Objective-C/C++.
19794
19795 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
19796
19797         * explow.c (convert_memory_address): Fold memory reference when
19798         POINTERS_EXTEND_UNSIGNED < 0
19799
19800 2007-03-21  Richard Henderson  <rth@redhat.com>
19801
19802         PR target/31245
19803         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
19804         * config/i386/mmintrin.h (__m64): Likewise.
19805         * config/i386/xmmintrin.h (__m128): Likewise.
19806
19807 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19808
19809         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
19810         (VXWORKS_OS_CPP_BUILTINS): Define.
19811         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
19812         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
19813
19814 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19815
19816         * rtl.h (constant_pool_reference_p): Delete.
19817         (find_constant_src): Declare.
19818         * rtlanal.c (find_constant_src): New function.
19819         * simplify-rtx.c (constant_pool_reference_p): Delete.
19820         * config/i386/i386.md: Use find_constant_src instead of
19821         constant_pool_reference_p/avoid_constant_pool_reference pairs.
19822
19823 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
19824
19825         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
19826         * c-cppbuiltin.c (c_cpp_builtins): Define them.
19827
19828 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
19829
19830         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
19831         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
19832         (arm_elf_asm_constructor): Use it.
19833         (arm_elf_asm_destructor): New function.
19834
19835 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
19836
19837         * jump.c (mark_jump_label): Treat SEQUENCE specially.
19838
19839 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
19840
19841         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
19842
19843 2007-03-19  Andrew Haley  <aph@redhat.com>
19844
19845         PR tree-optimization/31264
19846         * tree-vrp.c (register_edge_assert_for_1): Don't look though
19847         VIEW_CONVERT_EXPRs.
19848
19849 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
19850
19851         PR rtl-optimization/30907
19852         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
19853         (fwprop_init): Always call loop_optimizer_initialize.
19854         (fwprop_done): Always call loop_optimizer_finalize.
19855         (fwprop): We always have loop info now.
19856         (gate_fwprop_addr): Remove.
19857         (pass_fwprop_addr): Use gate_fwprop as gate.
19858
19859         PR rtl-optimization/30841
19860         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
19861         df_chain_alloc): Call df_reorganize_refs unconditionally.
19862         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
19863         refs_organized to refs_organized_size.
19864         (df_ref_create_structure): Use refs_organized_size instead of
19865         bitmap_size if refs had been organized, and keep refs_organized_size
19866         up-to-date.
19867         * df.h (struct df_ref_info): Change refs_organized to
19868         refs_organized_size.
19869         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
19870         bitmap_size.
19871
19872 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
19873
19874         * except.c (output_function_exception_table): Do not reference the
19875         EH personality routine for functions that do not require an
19876         exception table.
19877
19878 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
19879
19880         PR c/30762
19881         * c-typeck.c (convert_for_assignment): Call comptypes for
19882         RECORD_TYPE or UNION_TYPE.
19883
19884         PR inline-asm/30505
19885         * reload1.c (reload): Do invalid ASM checking after
19886         cleanup_subreg_operands.
19887
19888 2007-03-19  Jeff Law  <law@redhat.com>
19889
19890         * tree-cfg.c (find_taken_edge): Tighten conditions for
19891         optimizing computed gotos.
19892
19893 2007-03-19  Michael Matz  <matz@suse.de>
19894
19895         * builtins.c (expand_builtin_sync_operation,
19896         expand_builtin_compare_and_swap,
19897         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
19898         correctly.
19899
19900         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
19901         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
19902         for operand 3.
19903
19904 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19905
19906         * doc/tm.texi: Add brackets around the return type of
19907         TARGET_SECONDARY_RELOAD.
19908
19909 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19910         Richard Guenther  <rguenther@suse.de>
19911
19912         PR tree-optimization/31254
19913         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
19914         Use handled_component_p () where appropriate.  Continue
19915         propagating into the rhs if we propagated into an INDIRECT_REF
19916         on the lhs.
19917
19918 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19919
19920         * config/s390/s390.md (op_type attribute): RRR instruction type added.
19921         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
19922         (xde, xdee): Mode attributes adjusted to support DFP modes.
19923         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
19924         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
19925         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
19926         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
19927         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
19928         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19929         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
19930         numbers.
19931         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
19932         "movsf"): Insn definitions removed.
19933         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
19934         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
19935         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
19936         definitions added.
19937         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
19938         "reload_in<mode>", "reload_out<mode>"): Expander added.
19939         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
19940         Expander removed.
19941
19942 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19943
19944         * config/s390/s390.md: Only non-functional changes.  Renamed
19945         FPR mode macro to BFP all over the file.
19946
19947 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19948
19949         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
19950         (op_type attribute): RRF instruction type added.
19951         (fT0): New mode attribute.
19952         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
19953         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
19954         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
19955         instruction no secondary memory is needed when moving DFmode values
19956         between GPRs and FPRs.
19957
19958 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19959
19960         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
19961         inverted and documentation adjusted.
19962         ("mhard-dfp", "msoft-dfp"): New options.
19963         * config/s390/s390.c (s390_handle_arch_option): New architecture
19964         switch: z9-ec.
19965         (override_options): Sanity checks for the new options added.
19966         * config.gcc: New architecture switch: z9-ec.
19967         * config/s390/s390.h (processor_flags): PF_DFP added.
19968         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
19969         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
19970         when the bit is NOT set so remove it from the defaults.
19971
19972 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
19973
19974         * genemit.c (main): Print include statement for dfp.h.
19975         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
19976         is not available.
19977
19978 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19979
19980         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
19981
19982 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
19983
19984         PR target/31022
19985         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
19986         instead of PATTERN.
19987
19988 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19989
19990         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
19991         attr_length_call, output_call, output_indirect_call): Cleanup
19992         formatting of targetm calls.
19993
19994 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
19995
19996         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
19997
19998 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19999
20000         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20001         reservation, bypass and anti-bypass descriptions for these
20002         instructions.  Update move patterns.
20003         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20004         TYPE_FPSTORE.
20005
20006 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20007
20008         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20009         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20010         (get_initial_def_for_reduction): Likewise.
20011
20012 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20013
20014         Fix PR tree-optimization/29922
20015         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20016         (get_representative): Removed.
20017         (value_dies_in_block_x): Update for rvuse removal.
20018         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20019         (compute_antic_aux): Handle when PHI nodes appear in
20020         non-single-successors.
20021         (dump_bitmap_of_names): Removed.
20022         (compute_antic_safe): Renamed and removed rvuse calculation.
20023         Calculate only antic safe.
20024         (insert_into_preds_of_block): Remove assert.
20025         (execute_pre): Update for renamed functions.
20026         (defer_or_phi_translate_block): New function.
20027
20028 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20029
20030         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20031         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20032         typos.
20033         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20034         Follow spelling conventions.
20035
20036         * tree-data-ref.h: Remove the prototype for analyze_array.
20037
20038 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20039
20040         PR tree-optimization/31041
20041         * tree-vect-transform.c (get_initial_def_for_induction): Call
20042         force_gimple_operand.
20043
20044 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20045
20046         * ipa-type-escape.c (look_for_casts) : Revert code to use
20047         handled_component_p due to ada test a-numaux.adb.
20048
20049 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20050
20051         * final.c (final_scan_insn): Alter the condition of a
20052         conditional trap if we have nonstandard CC.
20053
20054 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20055
20056         * configure.ac: Remove excess quoting from asm line 0 test.
20057         * configure: Rebuilt.
20058
20059 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20060
20061         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20062         * c-common.c (convert_and_check): Move warning logic to...
20063         (warnings_for_convert_and_check): ...here. Define.
20064         * c-common.h (warnings_for_convert_and_check): Declare.
20065
20066 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20067
20068         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20069         (output_call): Likewise.
20070
20071 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20072
20073         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20074
20075 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20076
20077         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20078
20079 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20080
20081         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20082         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20083
20084 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20085
20086         PR tree-optimization/31183
20087         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20088         Use double_int instead of unsigned int for representing access_strides.
20089         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20090
20091 2007-03-16  Richard Guenther  <rguenther@suse.de>
20092
20093         PR tree-optimization/31146
20094         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20095         to allow recursion of forward_propagate_addr_expr.
20096         (forward_propagate_addr_into_variable_array_index): Likewise.
20097         (forward_propagate_addr_expr): Likewise.
20098         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20099         (forward_propagate_addr_expr_1): Recurse on simple copies
20100         instead of propagating into them.  Do so for useless conversions
20101         as well.
20102         (forward_propagate_addr_expr): Clean up unused statements after
20103         recursion.
20104
20105 2007-03-16  Richard Guenther  <rguenther@suse.de>
20106
20107         * builtins.c (expand_builtin_cexpi): Use the right argument
20108         for the expansion via cexp.
20109
20110 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20111
20112         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20113         * configure: Rebuilt.
20114
20115 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20116
20117         PR debug/29906
20118         * dwarf2out.c (force_type_die): Adjust comment.
20119         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20120
20121 2007-03-15  DJ Delorie  <dj@redhat.com>
20122
20123         * config/frv/predicates.md (minmax_operator): Don't check operands
20124         here.
20125
20126 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20127
20128         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20129         Update constant estimates of number of iterations.
20130         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20131         argument renamed to "realistic".
20132         (compute_estimated_nb_iterations): Removed.
20133         (record_niter_bound): New function.
20134         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20135         call record_nonwrapping_iv with upper = false.
20136         (infer_loop_bounds_from_signedness): Pass upper argument to
20137         record_nonwrapping_iv.
20138         (estimate_numbers_of_iterations_loop): Do not call
20139         compute_estimated_nb_iterations.  Record estimate based on profile
20140         information.  Initialize the constant estimates of number of
20141         iterations.
20142         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20143         estimates.
20144         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20145         number of iterations is too small.
20146         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20147         (EST_NOT_AVAILABLE): Removed.
20148         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20149         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20150         fields.
20151
20152 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20153
20154         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20155         Handle NE_EXPR guards.
20156
20157 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20158
20159         PR c++/24924
20160         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20161         Set also -pedantic-errors by default for the  preprocessor unless
20162         -fpermissive is given.
20163
20164 2007-03-15  Richard Guenther  <rguenther@suse.de>
20165
20166         PR middle-end/29719
20167         PR middle-end/31161
20168         * builtins.c (expand_builtin_cexpi): As a fallback if we
20169         don't have builtins for sincos or cexp create a function
20170         declaration for cexp and expand to a call to that.
20171         (expand_builtin_int_roundingfn): Always fall
20172         back to floor/ceil and its variants even if they may be
20173         not available.
20174
20175 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20176
20177         PR middle-end/31159
20178         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20179         jump tables, move the call to delete_dead_jumptables from here...
20180         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20181         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20182         don't allow merging of blocks that try_redirect_by_replacing_jump
20183         also does not handle when not optimizing.
20184
20185 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20186             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20187
20188         * config/i386/i386.md (x86_sahf_1): Correctly handle
20189         HAVE_AS_IX86_SAHF.
20190
20191 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20192
20193         PR target/31167
20194         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20195         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20196         from operand constraints and use "e" constraint instead.
20197         (*subti3_1, *subti3_1 splitter): Ditto.
20198         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20199         operand[1] predicate.
20200
20201 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20202
20203         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20204         arrays, multiply the access strides by the size of the sub-array.
20205         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20206
20207 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20208
20209         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20210         the configured assembler supports the sahf mnemonic.
20211         * configure: Regenerate.
20212         * config.in: Regenerate.
20213
20214         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20215         emit "sahf" or ".byte\t0x9e" as asm template.
20216
20217 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20218
20219         PR 31018
20220         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20221         option to replace hard coded TARGET_xxx in md file.
20222         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20223         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20224         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20225         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20226         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20227         (X86_TUNE_NOT_VECTORMODE): Ditto.
20228         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20229         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20230         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20231         (TUNE_SLOW_IMUL_IMM8): Ditto.
20232         (TUNE_MOVE_M1_VIA_OR): Ditto.
20233         (TUNE_NOT_UNPAIRABLE): Ditto.
20234         (TUNE_NOT_VECTORMODE): Ditto.
20235
20236         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20237         options.
20238
20239         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20240         tuning options instead of hard coded TARGET_xxx.
20241         (fix ssemode peephole2's): Ditto.
20242         (imul peephole2's): Ditto.
20243         (movsi_or): Ditto.
20244         (movdi_or_rex64): Ditto.
20245         (move peephole2): Ditto.
20246         (not peephole2's): Ditto.
20247
20248 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20249
20250         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20251         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20252         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20253         of empty body.
20254         * c-parser.c (c_parser_do_statement): Warn about empty body in
20255         do/while statement.
20256         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20257         * doc/invoke.texi (-Wempty-body): Update documentation.
20258
20259 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20260
20261         PR c/21438
20262         * c-common.h (warn_for_div_by_zero): Declare.
20263         * c-common.c (warn_for_div_by_zero): Define.
20264         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20265         warning.
20266
20267 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20268
20269         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20270         to PREFIX and STANDARD_PREFIX.
20271
20272 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20273             Phil Edwards  <phil@codesourcery.com>
20274
20275         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20276         (__gthread_once_t): Remove busy field for RTPs.
20277         (__GTHREAD_ONCE_INIT): Update accordingly.
20278
20279 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20280
20281         * doc/invoke.texi: Document VxWorks options.
20282
20283 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20284
20285         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20286
20287 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20288
20289         PR tree-optimization/30590
20290         * tree-nrv.c (tree_nrv): Check for the partial update of the
20291         return value.
20292
20293 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20294
20295         * flags.h (flag_random_seed): Remove declaration, in favor of...
20296         * toplev.h (get_random_seed, set_random_seed): ... these.
20297         * tree.c (get_file_function_name): Use the former.
20298         * opts.c (common_handle_option): Use the latter.
20299         * toplev.c
20300
20301 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20302
20303         PR middle-end/31127
20304         * cse.c (cse_find_path): Do not bail out if a basic block that
20305         we already visited now becomes part of a path that starts at a
20306         different basic block.  Just disallow this, to make sure we
20307         visit each basic block at most once.
20308
20309 2007-03-13  Jan Hubicka  <jh@suse.cz>
20310
20311         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20312         attributes, when profile esitmate is present, calls with very low
20313         frequency are cold.
20314
20315 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20316
20317         PR tree-optimization/30730
20318         PR tree-optimization/26900
20319         * tree-ssa-loop-niter.c: Include gmp.h.
20320         (bounds): New type.
20321         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20322         split_to_var_and_offset, determine_value_range,
20323         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20324         bound_difference, bounds_add, bounds_negate,
20325         number_of_iterations_ne_max, dump_affine_iv): New functions.
20326         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20327         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20328         difference of initial and final value of control iv to validate
20329         results.
20330         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20331         on the difference of the extremes of the control iv.  Add dumps.
20332         (expand_simple_operations): Handle phi nodes.
20333         (simplify_using_initial_conditions): Do not record used conditions.
20334         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20335         Do not set additional_info.
20336         (implies_nonnegative_p, implies_ge_p): Removed.
20337         (derive_constant_upper_bound): Do not use parameter `additional'.
20338         (record_estimate): Parameter `additional' removed.  Parameter
20339         `i_bound' added.  Do not call derive_constant_upper_bound.
20340         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20341         bound the number of iterations estimate.
20342         (estimate_numbers_of_iterations_loop): Pass the estimate from
20343         the number of iterations analysis to record_estimate.
20344         * tree.h (multiple_of_p): Declare.
20345         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20346         (scev_const_prop): Do not check expression_expensive_p.
20347         * fold-const.c (multiple_of_p): Exported.
20348         * double-int.c (double_int_mask): Exported.
20349         * double-int.h (double_int_mask): Declare.
20350         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20351         field.  Added max field.
20352
20353 2007-03-13  David Taylor  <taylor@candd.org>
20354
20355         PR driver/12448:
20356         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20357         default -MQ.
20358
20359 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20360
20361         PR target/31123
20362         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20363         two unamed patterns.
20364
20365 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20366
20367         * config/i386/i386.opt (mcx16, msahf): New options.
20368         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20369         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20370
20371         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20372         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20373         Output -mcx16 and -msahf options when corresponding bit is set.
20374
20375         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20376         and -msahf options.
20377
20378 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20379
20380         * configure.ac: Test for assembler tolerance to # 0 "".
20381         * configure, config.in: Rebuilt.
20382         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20383
20384 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20385
20386         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20387
20388         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20389         (handle_syscall): Handle direct system calls.
20390         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20391
20392 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20393
20394         * doc/invoke.texi: Fix cpp.info cross-reference.
20395         * doc/passes.texi: Fix gcc.info cross-reference.
20396
20397 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20398
20399         PR tree-optimization/30835
20400         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20401         bb_for_stmt is not NULL before accessing it.
20402
20403 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20404
20405         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20406         some multilibs.
20407
20408 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20409
20410         PR 30635
20411         * doc/install.texi: Document --enable-stage1-languages
20412
20413 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20414
20415         * tree-pass.h (pass_into_cfg_layout_mode,
20416         pass_outof_cfg_layout_mode): Declare.
20417         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20418         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20419         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20420         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20421
20422 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20423
20424         * c-decl.c (warn_variable_length_array): New function.
20425         Refactored from grokdeclarator to handle warn_vla
20426         and handle unnamed array case.
20427         (grokdeclarator): Refactored VLA warning case.
20428         * c.opt (Wvla): New flag.
20429         * doc/invoke.texi (Wvla): New warning.
20430
20431 2007-03-12  Richard Henderson  <rth@redhat.com>
20432
20433         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20434         (TARGET_SECTION_TYPE_FLAGS): New.
20435
20436 2007-03-12  Richard Henderson  <rth@redhat.com>
20437
20438         * config/darwin.c (machopic_reloc_rw_mask): New.
20439         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20440         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20441
20442 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20443
20444         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20445         * cppdefault.h (cpp_PREFIX): Document.
20446         (cpp_PREFIX_len): Likewise.
20447         (cpp_EXEC_PREFIX): New variable.
20448         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20449         * c-incpath.c (add_standard_paths): Correct logic for relocating
20450         paths within prefix.
20451
20452 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20453
20454         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20455         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20456         mode macro.
20457         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20458         fix_truncdfdi_sse using SSEMODEF mode macro.
20459         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20460         fix_truncdfsi_sse using SSEMODEF mode macro.
20461         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20462         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20463
20464 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20465
20466         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20467         elfos.h to tm_file.
20468
20469 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20470
20471         * tree.h : Add multiple_of_p declaration.
20472         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20473         * ipa-type-escape.c (results_of_malloc): Redundant.
20474         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20475         (cast_type): Extended with new members.
20476         (check_cast): Returns cast_type.
20477         (cast): New structure for data of walk_use_def_chains.
20478         (is_malloc_result, is_cast_from_non_pointer_1,
20479         is_cast_from_non_pointer,
20480         is_array_access_through_pointer_and_index): New functions.
20481         (look_for_casts): Returns cast types.
20482         (check_call): Returns void.
20483         (okay_pointer_operation): Use support of pointer plus index,
20484         pointer plus constant and allow all multiplications.
20485
20486 2007-03-11  Richard Guenther  <rguenther@suse.de>
20487
20488         PR tree-optimization/31115
20489         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20490         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20491         A shift count of zero is not special as with *_DIV_EXPR.
20492         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20493         direction.
20494
20495 2007-03-11  Ian Lance Taylor  <iant@google.com>
20496
20497         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20498         the *_DIV_EXPR codes correctly with overflow infinities.
20499
20500 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20501
20502         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20503         indicate success/failure of the analysis. Add negation to subtrahend
20504         in case of subtraction. Fail if both operands contain constants.
20505         (create_data_ref): Fail if analyze_offset fails.
20506
20507 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20508
20509         * config/i386/i386.md (frndintxf2): Rename to ...
20510         (rintxf2): ... this. Remove expander having same name.
20511         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20512         (roundsf2, rounddf2): Ditto.
20513         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20514         (lround<mode>di2, lround<mode>si2): Ditto.
20515
20516 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20517
20518         * lower-subreg.c: Include except.h.
20519         (decompose_multiword_subregs): Verify that the only control flow
20520         insns we can split are loads to multi-words pseudos.
20521         Handle breaking such blocks after splitting, instead of calling
20522         find_many_sub_basic_blocks.
20523
20524         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20525         on the new basic block.  Add a lengthy comment explaining why we
20526         thought this was necessary.
20527         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20528
20529 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20530
20531         PR c++/30924
20532         * tree.c (walk_type_fields): Recurse into the element type of
20533         ARRAY_TYPEs if there is a pointer set.
20534
20535 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20536
20537         * c-common.c (warn_logical_operator): Fix condition.
20538
20539 2007-03-10  Tobias Schl�ter  <tobi@gcc.gnu.org>
20540
20541         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20542         quotation mark.
20543         * config/darwin.c (machopic_select_section): Remove superfluous
20544         argument in call to categorize_decl_for_section.  Remove unused
20545         variable shlib.
20546
20547 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20548
20549         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20550         defined.
20551         * configure: Regenerate.
20552
20553 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20554
20555         PR target/31101
20556         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20557         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20558         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20559         Add LABEL_NUSES to emitted label.
20560         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20561         branch probability value to emitted jump insn.
20562         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20563         Do not check life information and do not re-arrange input operands
20564         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20565
20566 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20567
20568         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20569         the change of decode_asm_operands.
20570
20571 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20572
20573         * mode-switching.c (create_pre_exit): Skip blockage insn.
20574
20575 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20576
20577         * tree-pass.h (TODO_update_smt_usage): Remove.
20578         Update all users.
20579         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20580         argument SOME.
20581         Update all users.
20582
20583 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20584
20585         * pa.c (attr_length_call): Revise condition for long
20586         pc-relative branch.
20587         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20588         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20589         sequence on SOM target.
20590
20591 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20592
20593         * gcc.c: Document %{, in big comment at top.
20594         (input_suffix_matches): Remove special handling for .s and
20595         .S.
20596         (input_spec_matches): New.
20597         (handle_braces): Handle %{,.
20598         (validate_switches): ',' indicates a value which is not a switch.
20599         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20600         to detect assembler input.
20601         * config/i386/sol2.h (CPP_SPEC): Likewise.
20602         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20603         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20604         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20605         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20606         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20607         -m64 causes deployment target to default to 10.5.
20608         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20609
20610 2007-03-09  Richard Henderson  <rth@redhat.com>
20611
20612         PR target/26090
20613         * target.h (targetm.asm.out.reloc_rw_mask): New.
20614         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20615         (TARGET_ASM_OUT): Use it.
20616         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20617         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20618         use the new reloc_rw_mask target hook instead.
20619         (default_section_type_flags_1): Merge into...
20620         (default_section_type_flags): ... here.
20621         (decl_readonly_section_1): Merge into...
20622         (decl_readonly_section): ... here.
20623         (default_elf_select_section_1): Merge into...
20624         (default_elf_select_section): ... here.
20625         (default_unique_section_1): Merge into...
20626         (default_unique_section): ... here.
20627         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20628         (default_select_rtx_section): Use it.
20629         (default_elf_select_rtx_section): Likewise.
20630         * output.h: Update to match.
20631         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20632         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20633         (TARGET_ASM_RELOC_RW_MASK): New.
20634         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20635         to categorize_decl_for_section.
20636         (x86_64_elf_unique_section): Likewise.
20637         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20638         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20639         (TARGET_ASM_RELOC_RW_MASK): New.
20640         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20641         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20642         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20643         (TARGET_RWRELOC): Remove.
20644         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20645         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20646         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20647         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20648         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20649         (rs6000_xcoff_select_section): Use decl_readonly_section.
20650         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20651         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20652         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20653         (TARGET_SECTION_TYPE_FLAGS): Remove.
20654         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20655
20656 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20657
20658         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20659         complex constant equality/inequality comparisons for here.
20660         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20661         known at compile-time or can be simplified to a scalar comparison.
20662         (fold_relational_const): Move compile-time evaluation of complex
20663         constant equality/inequality comparisons to here.
20664
20665 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20666
20667         PR rtl-optimization/30643
20668         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20669         dest_addr_elt.
20670         (fold_rtx): Recurse, like before 2006-11-03.
20671
20672 2007-03-09  DJ Delorie  <dj@redhat.com>
20673
20674         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20675         m32c-pragma.o.
20676
20677 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20678
20679         PR tree-optimization/30375
20680         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
20681         LHS of statements is not the same.
20682         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
20683
20684 2007-03-09  Chao-ying Fu  <fu@mips.com>
20685
20686         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
20687         REV 2.
20688         * doc/invoke.texi (-mdspr2): Document new option.
20689         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
20690         New unspec for DSP REV 2.
20691         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
20692         these instructions are extended in DSP REV 2.
20693         (mips-dspr2.md): Include.
20694         * config/mips/mips.opt (mdspr2): New option.
20695         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
20696         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
20697         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
20698         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
20699         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
20700         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
20701         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
20702         and 2 builtins.
20703         (bdesc_map): Add one field of unsupported_target_flags.
20704         (bdesc_arrays): Update entries to have extra fields.  Add
20705         dsp_32only_bdesc.
20706         (mips_init_builtins): Initialize new function types.
20707         Check unsupported_target_fileds to filter out builtins.
20708         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
20709         TARGET_DSPR2.
20710         (ASM_SPEC): Pass mdspr2 to the assembler.
20711         * config/mips/mips-dspr2.md: New file.
20712
20713 2007-03-09  Sa Liu  <saliu@de.ibm.com>
20714
20715         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
20716
20717 2007-03-09  Ian Lance Taylor  <iant@google.com>
20718
20719         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
20720         argument) like -Wstrict-overflow=2.
20721         * doc/invoke.texi (Warning Options): Update documentation.
20722
20723 2007-03-09  Dirk Mueller  <dmueller@suse.de>
20724
20725         PR c++/17946
20726         * doc/invoke.texi (-Wlogical-op): Document.
20727         * common.opt (-Wlogical-op): New.
20728         * c-common.h (warn_logical_operator): Declare.
20729         * c-common.c (warn_logical_operator): Define.
20730         * c-typeck.c (parser_build_binary_op): Call
20731         warn_logical_operator.
20732
20733 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20734
20735         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
20736         * final.c (final_scan_insn): Test for non-"" file name.
20737
20738 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
20739
20740         * doc/loop.texi: Document the Omega linear constraints solver.
20741         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
20742         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
20743         omega-hash-table-size, omega-max-keys, and
20744         omega-eliminate-redundant-constraints.
20745         * tree-pass.h (pass_check_data_deps): Declared.
20746         * omega.c: New.
20747         * omega.h: New.
20748         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
20749         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
20750         pass_check_data_deps): New.
20751         * tree-data-ref.c (init_data_ref): Remove declaration.
20752         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
20753         (analyze_array): Renamed init_array_ref, move up initializations.
20754         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
20755         Removed arguments that are set to NULL.
20756         (analyze_indirect_ref): Correct indentation, correct call to
20757         init_pointer_ref.
20758         (object_analysis): Call init_array_ref instead of analyze_array.
20759         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
20760         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
20761         of DR_ACCESS_FNS_ADDR.
20762         (init_omega_eq_with_af, omega_extract_distance_vectors,
20763         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
20764         ddr_consistent_p): New.
20765         (compute_affine_dependence): Check consistency of ddrs when
20766         flag_check_data_deps is passed.
20767         (analyze_all_data_dependences): Uncomment.
20768         (tree_check_data_deps): New.
20769         * tree-data-ref.h: Include omega.h.
20770         (DR_ACCESS_FNS_ADDR): Removed.
20771         (data_dependence_relation): Add inner_loop.
20772         (DDR_INNER_LOOP): New.
20773         * common.opt (fcheck-data-deps): New.
20774         * tree-flow.h (tree_check_data_deps): Declare.
20775         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
20776         (OBJS-common): Depend on omega.o.
20777         (omega.o): Define.
20778         * passes.c (pass_check_data_deps): Scheduled.
20779         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
20780         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
20781         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
20782         PARAM_VECT_MAX_VERSION_CHECKS,
20783         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
20784
20785 2007-03-09  Richard Guenther  <rguenther@suse.de>
20786
20787         PR tree-optimization/30904
20788         PR middle-end/31058
20789         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
20790         the same way as *_DIV_EXPR.
20791
20792 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20793
20794         * recog.c (decode_asm_operands): No mixed declarations and code.
20795
20796 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20797
20798         * rtl.def (ASM_INPUT): Add location.
20799         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
20800         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
20801         (decode_asm_operands): Add loc operand.
20802         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
20803         * stmt.c (expand_asm): Rename to...
20804         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
20805         gen_rtx_ASM_INPUT_loc.
20806         (expand_asm_expr): Adjust.
20807         * recog.c (decode_asm_operands): Add loc operand.
20808         (check_asm_operands, extract_insn): Adjust.
20809         * reload1.c (maybe_fix_stack_asms): Likewise.
20810         * final.c (asm_insn_count): Likewise.
20811         (final_scan_insn): Output # line before and after asm.
20812
20813 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
20814
20815         * tree-ssa-structalias.c (variable_info): Remove
20816         finished_solution.
20817         (new_var_info): Ditto.
20818         (shared_bitmap_info_t): New structure.
20819         (shared_bitmap_table): New variable.
20820         (shared_bitmap_hash): New function.
20821         (shared_bitmap_eq): Ditto
20822         (shared_bitmap_lookup): Ditto.
20823         (shared_bitmap_add): Ditto.
20824         (merge_smts_into): Change to take bitmap directly.
20825         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
20826         (init_alias_vars): Init shared bitmap hashtable.
20827         (delete_points_to_sets): Delete shared bitmap hashtable.
20828         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
20829         is_aliased removal as a change that was still necessary was
20830         deleted.
20831
20832 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
20833
20834         * config/i386/i386.h (override_options): Conditionally disable
20835         x86_sahf for 64bit targets only.
20836
20837 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20838
20839         PR C/31072
20840         * c-decl.c (merge_decls): Don't call make_var_volatile.
20841         * varasm.c (make_var_volatile): Remove.
20842         * output.h (make_var_volatile): Remove.
20843
20844 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
20845
20846         PR tree-optimization/31085
20847         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
20848
20849 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20850
20851         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
20852         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
20853         ATTR_CONST_NOTHROW_LIST.
20854
20855         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
20856         FIX_TRUNC_EXPR.
20857
20858 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
20859
20860         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
20861
20862 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
20863
20864         PR 31013
20865         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
20866         is declared.
20867         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
20868         passed, use shared libgcc.
20869
20870 2007-03-08  Roger Sayle  <roger@eyesopen.com>
20871
20872         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
20873         instead of calling build2 with a GIMPLE_MODIFY_STMT.
20874         (honor_protect_cleanup_actions, lower_try_finally_switch):
20875         Likewise.
20876         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
20877         ifc_temp_var): Likewise.
20878         * tree-inline.c (setup_one_parameter): Likewise.
20879         * tree-mudflap.c (mf_decl_cache_locals,
20880         mf_build_check_statement_for): Likewise.
20881         * tree-nested.c (init_tmp_var, save_tmp_var,
20882         finalize_nesting_tree_1): Likewise.
20883         * tree-outof-ssa.c (insert_copy_on_edge,
20884         insert_backedge_copies): Likewise.
20885         * tree-profile.c (tree_gen_edge_profiler,
20886         tree_gen_ic_profiler): Likewise.
20887         * tree-scalar-evolution.c (scev_const_prop): Likewise.
20888         * tree-sra.c (sra_build_assignment): Likewise.
20889         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
20890         * tree-ssa-math-opts.c (insert_reciprocals,
20891         execute_cse_sincos_1): Likewise.
20892         * tree-tailcall.c (adjust_accumulator_values,
20893         adjust_return_value): Likewise.
20894         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
20895         * tree-vect-transform.c (vect_create_data_ref_ptr,
20896         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
20897         vect_create_epilog_for_reduction, vectorizable_reduction,
20898         vectorizable_call, vectorizable_conversion,
20899         vectorizable_assignment, vectorizable_operation,
20900         vectorizable_type_demotion, vect_gen_widened_results_half,
20901         vect_permute_store_chain, vectorizable_store,
20902         vect_setup_realignment, vect_permute_load_chain,
20903         vectorizable_load, vectorizable_condition,
20904         vect_create_cond_for_align_checks): Likewise.
20905         * tree-vrp.c (build_assert_expr_for): Likewise.
20906
20907 2007-03-08  Ian Lance Taylor  <iant@google.com>
20908
20909         * tree-vrp.c: Include "intl.h".
20910         (usable_range_p): New static function.
20911         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
20912         overflowed values, juts set *strict_overflow_p.
20913         (compare_values): Only return -2 if one of the operands is not a
20914         constant.
20915         (compare_ranges): Call usable_range_p.
20916         (compare_range_with_value): Likewise.
20917         (vrp_evaluate_conditional_warnv): Rename from
20918         vrp_evaluate_conditional.  Make static.  Change all callers.
20919         (vrp_evaluate_conditional): New function.
20920         (simplify_div_or_mod_using_ranges): Issue warning about reliance
20921         on signed overflow.
20922         (simplify_abs_using_ranges): Likewise.
20923         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
20924         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
20925         within_stmt parameter.
20926         * tree-ssa-propagate.c (fold_predicate_in): Update call to
20927         vrp_evaluate_conditional.
20928         * tree-ssa-threadedge.c
20929         (record_temporary_equivalences_from_stmts_at_dest): Change
20930         simplify parameter to take a second tree parameter.
20931         (simplify_control_stmt_condition): Likewise.
20932         (thread_across_edge): Likewise.
20933         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
20934         (thread_across_edge): Likewise.
20935         * Makefile.in (tree-vrp.o): Depend upon intl.h.
20936
20937 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
20938
20939         * config/i386/i386.h (TARGET_SAHF): New define.
20940         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
20941         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
20942         (x86_sahf): New global variable.
20943         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
20944         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
20945         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
20946         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
20947         for 64-bit.
20948         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
20949         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
20950         when expanding fcomi/sahf based tests.
20951         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
20952         expanding sahf based alternative. Emit sahf based sequence when
20953         optimizing for code size.
20954         * config/i386/i386.md (x86_sahf_1): Do not disable for
20955         TARGET_64BIT, enable for TARGET_SAHF.
20956
20957 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
20958
20959         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
20960         spurious whitespace from error message.
20961
20962 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
20963
20964         PR c++/30852
20965         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
20966
20967 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
20968
20969         * c-decl.c (grokdeclarator): Disable warnings for anonymous
20970         bitfields.
20971         * tree-sra.c (instantiate_element): Propagate disabled warnings
20972         from the element itself to the created variable.
20973
20974 2007-03-07  Richard Henderson  <rth@redhat.com>
20975
20976         PR target/30848
20977         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
20978         silently fix up the stack in the case of a missing register.
20979
20980 2007-03-07  Paul Brook  <paul@codesourcery.com>
20981
20982         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
20983
20984 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
20985
20986         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
20987         New.
20988         (phase1_vrs): Use them.
20989         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
20990         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
20991         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
20992         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
20993         __gnu_Unwind_Restore_WMMXC if required.
20994         (_Unwind_VRS_Pop): Implement iWMMXt support.
20995         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
20996         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
20997         gnu_Unwind_Save_WMMXC): Define.
20998
20999 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21000
21001         * config/vxworks.h (vxworks_override_options): Declare.
21002         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21003         * config/vxworks.c: Include target.h and toplev.h.
21004         (vxworks_override_options): New function.
21005         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21006
21007 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21008
21009         * config/s390/s390.c (override_options): Don't emit an error when
21010         -mstack-size is used without providing -mstack-guard.
21011         (s390_emit_prologue): Choose stack_guard value automatically if not
21012         provided via command line.
21013         * doc/invoke.texi: Adjust description of -mstack-guard and
21014         -mstack-size.
21015
21016 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21017
21018         * config/i386/i386.c (output_set_got): Add a GOT initialization
21019         sequence for VxWorks PIC.
21020         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21021         around labels as well as symbols.  Use gotoff_operand instead
21022         of local_symbolic_operand.
21023         (legitimize_pic_address): Use gotoff_operand instead of
21024         local_symbolic_operand.  Use @GOT accesses for labels as
21025         well as symbols.
21026         (ix86_output_addr_diff_elt): Use PC-relative rather than
21027         GP-relative offsets for VxWorks PIC.
21028         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21029         no_new_pseudos.  Check whether the returned register is op0.
21030         * config/i386/i386.md (tablejump): Use PC-relative rather than
21031         GP-relative offsets for VxWorks PIC.
21032         * config/i386/predicates.md (gotoff_operand): New predicate.
21033
21034 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21035
21036         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21037         before defining.
21038         * config/vxworks-dummy.h: New file.
21039         * config/i386/i386.h: Include it.
21040
21041 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21042
21043         * dwarf2out.c (is_inlined_entry_point): New
21044         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21045         DW_AT_ranges if the first subblock is the entry point.
21046
21047 2007-03-06  David Daney  <ddaney@avtrex.com>
21048
21049         * doc/install.texi (mips-*-*): Change recommended binutils
21050         version.
21051
21052 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21053
21054         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21055         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21056         devices.
21057         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21058         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21059
21060 2007-03-06  Jan Hubicka  <jh@suse.cz>
21061
21062         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21063         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21064         functions are hot.
21065         (probably_cold_bb_p): Cold functions are cold.
21066         (probably_never_executed_bb_p): Cold functions are cold.
21067         (tree_bb_level_predictions): Predict calls to cold functions as not
21068         taken.
21069         (compute_function_frequency): Check hot/cold attributes.
21070         * function.h (function_frequency): Update comments.
21071         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21072         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21073         (c_common_att): Add cold and hot.
21074
21075         * doc/extend.texi (hot,cold attributes): Document.
21076
21077 2007-03-06  Andrew Haley  <aph@redhat.com>
21078
21079         * function.c (expand_function_end): Move blockage to just after we
21080         emit the label for the naked return from the function.
21081
21082 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21083
21084         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21085         before redefining.
21086
21087 2007-03-06  Jan Hubicka  <jh@suse.cz>
21088
21089         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21090         loaded for constant large models.  Non-large 64bit PIC can do.
21091         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21092         * cmodel.h: Add LARGE PIC.
21093         * i386.md (UNSPEC_PLTOFF): New.
21094         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21095         unspecs as needed.
21096         (*call_1_rex64): Disable for large models.
21097         (*call_1_rex64_large): New.
21098         (*call_value_1_rex64): Disable for large models.
21099         (*call_value_1_rex64_large): New.
21100         (set_rip_rex4): New.
21101         (set_got_offset_rex64): New.
21102         * predicates.md (constant_call_address_operand): For large model
21103         constant calls are not possible.
21104         * i386-protos.h (construct_plt_address): Declare.
21105         * i386.c (override_options): Accept large models.
21106         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21107         (legitimate_constant_p): Add new UNSPECs.
21108         (legitimate_pic_operand_p): Likewise.
21109         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21110         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21111         non-large model.
21112         (output_pic_addr_const): Add PLTOFF.
21113         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21114         (ix86_expand_move): Legitimize pic address when in PIC mode.
21115         (construct_plt_address): New function.
21116         (ix86_expand_call): Offload the address to register and use GOT
21117         pointer for large model.
21118         * invoke.texi (mcmodel=large): Update documentation.
21119
21120 2007-03-06  Richard Henderson  <rth@redhat.com>
21121
21122         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21123         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21124         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21125         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21126         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21127         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21128         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21129         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21130         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21131         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21132         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21133         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21134         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21135         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21136         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21137         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21138         x86_schedule, x86_use_bt, x86_pad_returns,
21139         x86_use_xchgb): Merge into ...
21140         (ix86_tune_features): ... here.  New array.
21141         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21142         x86_bswap): Merge into ...
21143         (ix86_arch_features): ... here.  New array.
21144         (x86_3dnow_a): Remove.
21145         (x86_accumulate_outgoing_args): Make static.
21146         (x86_arch_always_fancy_math_387): Make static.
21147         (ix86_tune_mask, ix86_arch_mask): Move ...
21148         (override_options): ... to local variables here.  Apply the
21149         appropriate mask to each element of ix86_arch_features and
21150         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21151         as were done in the old macros.
21152         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21153         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21154         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21155         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21156         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21157         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21158         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21159         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21160         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21161         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21162         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21163         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21164         x86_accumulate_outgoing_args, x86_prologue_using_move,
21165         x86_epilogue_using_move, x86_decompose_lea,
21166         x86_arch_always_fancy_math_387, x86_shift1,
21167         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21168         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21169         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21170         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21171         x86_use_incdec, x86_pad_returns, x86_bswap,
21172         x86_partial_flag_reg_stall): Remove.
21173         (enum ix86_tune_indices): New.
21174         (ix86_tune_features): New.
21175         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21176         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21177         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21178         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21179         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21180         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21181         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21182         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21183         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21184         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21185         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21186         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21187         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21188         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21189         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21190         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21191         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21192         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21193         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21194         TARGET_EXT_80387_CONSTANTS): Use it.
21195         (enum ix86_arch_indices): New.
21196         (ix86_arch_features): New.
21197         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21198         TARGET_BSWAP): Use it.
21199         (ix86_tune_mask, ix86_arch_mask): Remove.
21200
21201 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21202
21203         PR bootstrap/31020
21204         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21205         Define using $${sysroot_headers_suffix}.
21206         * configure: Regenerate.
21207         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21208         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21209         defined.
21210         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21211         * gcc.c (print_sysroot_headers_suffix): New.
21212         (option_map): Include --print-sysroot-headers-suffix.
21213         (display_help): Mention -print-sysroot-headers-suffix.
21214         (process_command): Handle -print-sysroot-headers-suffix.
21215         (do_spec_1): Append multilib directory to include-fixed path if
21216         sysroot suffixes in use.
21217         (main): Handle -print-sysroot-headers-suffix.
21218         * Makefile.in (start.encap): Don't depend on xlimits.h
21219         (xlimits.h): Remove.
21220         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21221         limits.h for each multilib in fixinc_list.
21222         (fixinc_list, s-fixinc_list): New.
21223         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21224         generate them for each multilib in fixinc_list.
21225         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21226         multilib in fixinc_list.
21227         (mostlyclean): Don't remove xlimits.h.
21228         (clean): Remove include-fixed.
21229         (real-install-headers-tar, real-install-headers-cpio,
21230         real-install-headers-cp): Don't copy include, only include-fixed.
21231         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21232         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21233         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21234         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21235
21236 2007-03-06  Jan Hubicka  <jh@suse.cz>
21237
21238         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21239         NANs easilly.
21240
21241 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21242
21243         * configure.ac: Allow tm_file to contain build-directory files.
21244         * configure: Regenerate.
21245         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21246         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21247         * config/m68k/print-sysroot-suffix.sh: New file.
21248
21249 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21250
21251         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21252         of pic_offset_table_rtx if reload_completed.
21253         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21254         PIC_OFFSET_TABLE_REGNUM.
21255         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21256         return true.
21257         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21258         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21259
21260 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21261
21262         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21263         functions that call eh_return.
21264
21265 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21266
21267         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21268         functions that need a constant pool.
21269
21270 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21271
21272         PR target/28181
21273         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21274         (m68k_preferred_reload_class): Likewise.
21275         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21276         (SECONDARY_RELOAD_CLASS): Define.
21277         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21278         (LIMIT_RELOAD_CLASS): Delete.
21279         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21280         registers from storing bytes.
21281         (m68k_secondary_reload_class): New function.
21282         (m68k_preferred_reload_class): Likewise.
21283
21284 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21285
21286         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21287         leaf functions.
21288         (m68k_expand_prologue): Likewise.
21289
21290 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21291
21292         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21293         (mips_expand_epilogue): Add a bool parameter.
21294         (m68k_legitimize_sibcall_address): Declare.
21295         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21296         (m68k_expand_epilogue): Add a parameter to select between sibling
21297         and normal epilogues.  Only generate a return for the latter.
21298         (m68k_ok_for_sibcall_p): New function.
21299         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21300         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21301         (sibcall_value, *sibcall_value): Likewise.
21302         (*call, *call_value): Require !SIBLING_CALL_P.
21303         (epilogue): Update call to m68k_expand_epilogue.
21304         (sibcall_epilogue): New pattern.
21305         * config/m68k/predicates.md (const_call_operand): Say that this
21306         predicate applies to sibling calls too.
21307         (sibcall_operand): New predicate.
21308
21309 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21310
21311         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21312         alternatives as movsi_cf.
21313         (movsf_cf_hard): Add commentary.
21314
21315 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21316             Richard Sandiford  <richard@codesourcery.com>
21317
21318         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21319         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21320         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21321         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21322         as being live on exit from an interrupt function.
21323         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21324         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21325         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21326         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21327         (m68k_interrupt_function_p): Globalize.
21328         (m68k_compute_frame_layout): Remove reverse mask code.
21329         (m68k_emit_movem, m68k_set_frame_related): New functions.
21330         (m68k_output_function_prologue): Delete in favor of...
21331         (m68k_expand_prologue): ...this new function.
21332         (m68k_output_function_epilogue): Delete in favor of...
21333         (m68k_expand_epilogue): ...this new function.
21334         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21335         functions.
21336         (print_operand): Handle %?.
21337         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21338         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21339         (prologue, epilogue): New patterns.
21340         (return): Turn into a define_expand.
21341         (*return): New pattern, derived from old "return" pattern.  Use rte
21342         rather than rts for interrupt functions.  Only use rtd if the pop
21343         count is nonzero.
21344         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21345         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21346         (link, *link, unlink, *unlink, load_got): Likewise.
21347
21348 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21349
21350         PR target/23482
21351         PR target/17114
21352         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21353         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21354         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21355         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21356         and m68k_matches_u_p.
21357         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21358         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21359         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21360         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21361         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21362         (REG_STRICT_P): New macro.
21363         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21364         PCREL_GENERAL_OPERAND_OK.
21365         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21366         m68k_legitimate_base_reg_p.
21367         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21368         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21369         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21370         * config/m68k/m68k.c (m68k_address): New structure.
21371         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21372         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21373         (m68k_jump_table_ref_p, m68k_decompose_address)
21374         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21375         (m68k_matches_u_p): New functions.
21376         (print_operand_address): Rewrite to use m68k_decompose_index.
21377
21378 2007-03-05  David Taylor  <dtaylor@emc.com>
21379
21380         * gcc.c: Correct copyright date in --version output.
21381
21382 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21383
21384         * pa.md: In unamed move patterns, disparge copies between general
21385         and floating point registers using '?' modifier.  Don't include 'f'
21386         constraint for register preferences in DImode, SImode, HImode and
21387         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21388         Remove constraints for copies between general and floating registers
21389         in soft-float DFmode pattern.
21390         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21391         floating register.
21392         (movsf): Likewise.
21393
21394 2007-03-05  Mike Stump  <mrs@apple.com>
21395
21396         * c-common.c (targetcm): Add.
21397         * c-opts.c (c_common_handle_option): Handle language specific
21398         target options.
21399         * opts.c (handle_option): Verify language for target options, if
21400         any are given.
21401         * opth-gen.awk: Add CL_LANG_ALL.
21402         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21403         (TARGETCM_INITIALIZER): Add.
21404         * target.h (struct gcc_targetcm): Add.
21405         (targetcm): Add.
21406         * targhooks.c (default_handle_c_option): Add.
21407         * targhooks.h (default_handle_c_option): Add.
21408         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21409
21410         * config/darwin.opt (iframework): Add.
21411         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21412         * config/darwin-c.c (handle_c_option): Add.
21413         (TARGET_HANDLE_C_OPTION): Add.
21414         (targetcm): Add.
21415         * doc/invoke.texi (Darwin Options): Add -iframework.
21416
21417 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21418
21419         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21420         conversion.
21421
21422 2007-03-05  Ian Lance Taylor  <iant@google.com>
21423
21424         * c.opt (fgnu89-inline): New option.
21425         * c-opts.c (c_common_post_options): Set default value for
21426         flag_gnu89_inline.
21427         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21428         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21429         inline functions.
21430         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21431         (grokdeclarator, start_function): Likewise.
21432         * c-cppbuiltin.c (c_cpp_builtins): Define either
21433         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21434         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21435         (C Dialect Options): Document -fgnu89-inline.
21436         * doc/extend.texi (Function Attributes): Explain what the
21437         gnu_inline attribute does.
21438         * doc/cpp.texi (Common Predefined Macros): Document
21439         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21440
21441 2007-03-05  Ian Lance Taylor  <iant@google.com>
21442
21443         PR tree-optimization/31034
21444         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21445         half-range if the other side is an overflow infinity.
21446
21447 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21448
21449         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21450         (bfin*-linux-uclibc*): New configuration.
21451         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21452         defining.
21453         * config/bfin/linux.h: New file.
21454         * config/bfin/libgcc-bfin.ver: New file.
21455         * config/bfin/t-bfin-uclinux: New file.
21456         * config/bfin/t-bfin-linux: New file.
21457         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21458         (TARGET_OS_CPP_BUILTINS): New macro.
21459
21460 2007-03-05  Richard Guenther  <rguenther@suse.de>
21461
21462         * fold-const.c (fold_binary): Remove duplicate folding
21463         of comparison of non-null ADDR_EXPR against null.
21464
21465 2007-03-05  Richard Guenther  <rguenther@suse.de>
21466             Dorit Nuzman  <dorit@il.ibm.com>
21467
21468         PR tree-optimization/26420
21469         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21470         are no loops in the function.  Only print the number of
21471         vectorized loops if it is greater than zero or we are supposed
21472         to print information about unvectorized loops.
21473
21474 2007-03-05  Revital Eres  <eres@il.ibm.com>
21475
21476         * gcc.dg/var-expand1.c: New test.
21477         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21478         when an accumulator is expanded.
21479
21480 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21481
21482         PR other/30465
21483         * c-common.c (convert_and_check): Don't give warnings for
21484         conversion if 'expr' already overflowed.
21485
21486 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21487
21488         PR middle-end/30744
21489         * fold-const.c (fold_comparison): Enforce type consistency when
21490         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21491
21492 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21493
21494         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21495         containing a cast to the base of TARGET_MEM_REF.
21496
21497 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21498
21499         * tree.c (tree_contains_struct_check_failed): Remove spurious
21500         whitespace from error message.
21501
21502 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21503
21504         PR target/30406
21505         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21506         instead of precision.
21507
21508 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21509             Nathan Sidwell  <nathan@codesourcery.com>
21510
21511         * emit-rtl.c (find_auto_inc): New.
21512         (try_split): recreate REG_INC notes,
21513         Use regular for loops rather than whiles.
21514
21515 2007-03-03  Andreas Schwab  <schwab@suse.de>
21516
21517         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21518         * configure: Regenerate.
21519
21520 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21521
21522         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21523         flag_rounding_math, not flag_unsafe_math_optimizations.
21524
21525         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21526         fold_build2.
21527         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21528         alpha_fold_vector_minmax): Likewise.
21529         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21530         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21531
21532 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21533
21534         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21535         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21536         if the lhs has side-effects.
21537         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21538
21539 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21540
21541         * config/i386/i386.h (TUNEMASK): Remove define.
21542         (ARCHMASK): Remove define.
21543         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21544          Use ix86_arch_mask variable instead of ARCHMASK.
21545         * config/i386/i386.c (override_options): Ditto.
21546         (standard_80387_constant_p): Ditto.
21547
21548 2007-03-02  Ian Lance Taylor  <iant@google.com>
21549
21550         Used signed infinities in VRP.
21551         * tree-vrp.c (uses_overflow_infinity): New static function.
21552         (supports_overflow_infinity): New static function.
21553         (make_overflow_infinity): New static function.
21554         (negative_overflow_infinity): New static function.
21555         (positive_overflow_infinity): New static function.
21556         (is_negative_overflow_infinity): New static function.
21557         (is_positive_overflow_infinity): New static function.
21558         (is_overflow_infinity): New static function.
21559         (overflow_infinity_range_p): New static function.
21560         (compare_values_warnv): New function split out of compare_values.
21561         (compare_value): Call it.
21562         (set_value_range_to_nonnegative): Add overflow_infinity
21563         parameter.  Change caller.
21564         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21565         Change callers.
21566         (vrp_expr_computes_nonzero): Likewise.
21567         (compare_ranges, compare_range_with_value): Likewise.
21568         (compare_name_with_value, compare_names): Likewise.
21569         (vrp_evaluate_conditional): Likewise.
21570         (set_value_range): Handle infinity
21571         (vrp_operand_equal_p, operand_less_p): Likewise.
21572         (extract_range_from_assert): Likewise.
21573         (vrp_int_const_binop): Likewise.
21574         (extract_range_from_binary_expr): Likewise.
21575         (extract_range_from_unary_expr): Likewise.
21576         (extract_range_from_comparison): Likewise.
21577         (extract_range_from_expr): Likewise.
21578         (dump_value_range): Likewise.
21579         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21580         (test_for_singularity): Likewise.
21581         (vrp_int_const_binop): Remove inline qualifier.
21582         (adjust_range_with_scev): Add comment.
21583         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21584
21585 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21586
21587         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21588         (get_constraint_for): Likewise.
21589         (do_structure_copy): Likewise.
21590         (find_func_aliases): Fix references to MODIFY_EXPR.
21591         (intra_create_variable_infos): Tidy.
21592         * tree-ssa-operands.c (add_virtual_operand): Add argument
21593         IS_CALL_SITE.
21594         When adding members of alias sets, if IS_CALL_SITE is true and
21595         the symbol is not call-clobbered, skip it.
21596         Adjust all callers.
21597
21598 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21599
21600         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21601         entry by means of emit_insn_at_entry.
21602
21603 2007-03-02  Richard Henderson  <rth@redhat.com>
21604
21605         * expr.h (promoted_input_arg): Remove decl.
21606         * function.c (promoted_input_arg): Merge into ...
21607         * combine.c (setup_incoming_promotions): ... only caller.
21608         Rearrange to avoid double loop.
21609
21610 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21611             Peter Bergner  <bergner@vnet.ibm.com>
21612             Janis Johnson  <janis187@us.ibm.com>
21613
21614         * config/rs6000/dfp.md: New file.
21615         * config/rs6000/rs6000.md: Include dfp.md.
21616         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21617         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21618         and TDmode decimal float modes in FP registers.
21619         (num_insns_constant): Likewise.
21620         (rs6000_legitimate_offset_address_p): Likewise.
21621         (rs6000_legitimize_address): Likewise.
21622         (rs6000_legitimize_reload_address): Likewise.
21623         (rs6000_legitimate_address): Likewise.
21624         (rs6000_emit_move): Likewise.
21625         (function_arg_boundary): Likewise.
21626         (function_arg_advance): Likewise.
21627         (rs6000_darwin64_record_arg_recurse): Likewise.
21628         (function_arg): Likewise.
21629         (rs6000_gimplify_va_arg): Likewise.
21630         (rs6000_split_multireg_move): Likewise.
21631         (rs6000_output_function_epilogue): Likewise.
21632         (rs6000_output_function_epilogue): Likewise.
21633         (rs6000_register_move_cost): Likewise.
21634         (rs6000_function_value): Likewise.
21635         (rs6000_libcall_value): Likewise.
21636
21637 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21638
21639         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21640
21641 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21642
21643         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21644         Use $MULTIDIR to choose between the kernel and RTP headers,
21645         and use $WIND_BASE and $WIND_USR to locate them.
21646
21647 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21648
21649         * config/i386/i386.c (override_options): Put initialization of
21650         ix86_tune_mask and ix86_arch_mask to the correct place.
21651
21652 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21653             Michael Meissner  <michael.meissner@amd.com>
21654
21655         PR target/31019
21656         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21657         (ARCHMASK): Define.
21658         (TARGET_CMOVE): Use ARCHMASK.
21659         (TARGET_CMPXCHG): Ditto.
21660         (TARGET_CMPXCHG8B): Ditto.
21661         (TARGET_XADD): Ditto.
21662         (TARGET_BSWAP): Ditto.
21663         * config/i386/i386.c (ix86_tune_mask): New global variable.
21664         (ix86_arch_mask): Ditto.
21665         (override_options): Initialize ix86_tune_mask and
21666         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21667         target_flags.
21668
21669 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21670
21671         PR 30992
21672         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21673
21674 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21675
21676         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21677         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21678         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21679         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21680         hook.
21681         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
21682         rs6000_init_dwarf_reg_sizes_extra): New.
21683         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
21684         SPE register high parts.
21685
21686 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
21687
21688         * Makefile.in: Add install-pdf target as
21689         copied from automake v1.10 rules.
21690         * configure.ac: Add install-pdf to target list.
21691         * configure: Regenerate.
21692
21693 2007-03-01  Paul Brook  <paul@codesourcery.com>
21694
21695         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
21696         modes to LDRD for DImode.
21697         (output_move_double): Fixup out of range ldrd/strd.
21698         (vfp_secondary_reload_class): Rename...
21699         (coproc_secondary_reload_class): ... to this.  Add wb argument.
21700         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
21701         coproc_secondary_reload_class for CLASS_IWMMXT.
21702         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
21703         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
21704
21705 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
21706
21707         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
21708         unroll factor by the estimated number of iterations.
21709         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
21710         than prefetch latency.
21711
21712         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
21713         decode_caches_intel, detect_caches_intel): New functions.
21714         (host_detect_local_cpu): Use detect_caches_amd and
21715         detect_caches_intel.
21716
21717 2007-03-01  Richard Henderson  <rth@redhat.com>
21718
21719         * expr.c (emit_move_complex_push): Export.
21720         (emit_move_complex_parts): Split out from ...
21721         (emit_move_complex): ... here.
21722         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
21723         * config/i386/i386.md (movcdi): New.
21724
21725 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
21726
21727         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
21728         size of mode1 to check for tieable modes in MMX case.
21729
21730 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
21731
21732         * Makefile.in (rtlanal.o): Depend on tree.h.
21733         * rtl.h (offset_within_section_p, split_const): Declare.
21734         * rtlanal.c: Include tree.h.
21735         (offset_within_block_p): New function, taken from
21736         mips_offset_within_object_p.
21737         (split_const): New function, taken from mips_split_const.
21738         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
21739         Declare.
21740         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
21741         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
21742         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
21743         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
21744         (m68k_illegitimate_symbolic_constant_p): New function.
21745         * config/m68k/m68k.md (movsi): Remove misleading predicates.
21746         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
21747         symbolic constant that might be outside the symbol's section,
21748         move the symbol first and then add the offset.
21749         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
21750         Override.
21751         * config/mips/mips.c (mips_split_const): Delete.
21752         (mips_offset_within_object_p): Delete.
21753         (mips_symbolic_constant_p): Use offset_within_section_p and
21754         split_const instead of mips_offset_within_object_p and
21755         mips_split_const.
21756         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
21757         (mips_legitimize_const_move, print_operand_reloc)
21758         (mips_dangerous_for_la25_p): Use split_const instead of
21759         mips_split_const.
21760
21761 2007-02-28  Eric Christopher  <echristo@apple.com>
21762
21763         * Makefile.in (install-include-dir): Don't rm -rf include.
21764
21765 2007-02-28  Richard Guenther  <rguenther@suse.de>
21766
21767         PR middle-end/30364
21768         * fold-const.c (fold_binary): Do not associate expressions
21769         with more than one variable for integer types that do not wrap.
21770
21771 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
21772
21773         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
21774         Delete, and replace with...
21775         (fold_builtin_call_array): This.  Update callers to use it.
21776         * fold-const.c (fold_build_call_list): Delete, and replace with...
21777         (fold_build_call_array): This.
21778         (fold_build_call_list_initializer): Delete, and replace with...
21779         (fold_build_call_array_initializer): This.
21780         * tree.h: Update declarations to reflect above changes.
21781
21782         * c-typeck.c (build_function_call): Store converted arguments
21783         in a stack-allocated array instead of building a list.
21784         (convert_arguments): Store arguments in the array passed in as an
21785         argument, and return the actual number of arguments.
21786         * c-format.c: (check_function_format): Pass arguments in an
21787         array instead of a list.
21788         * c-common.c (check_function_nonnull): Likewise.
21789         (check_function_sentinel): Likewise.
21790         (check_function_arguments): Likewise.
21791         * c-common.h: Update declarations to reflect above changes.
21792
21793 2007-02-28  Jan Hubicka  <jh@suse.cz>
21794
21795         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
21796         PRED_NEGATIVE_RETURN): Update outcomes.
21797
21798 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
21799
21800         * calls.c (emit_library_call_value_1): Handle partial registers
21801         correctly when building up CALL_INSN_FUNCTION_USAGE.
21802
21803 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21804
21805         * pa/predicates.md (move_src_operand): Allow zero for mode.
21806         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
21807         move pattern.
21808
21809 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
21810
21811         PR target/30970
21812         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
21813         *movv2df_internal): Enable pattern only for valid operand
21814         combinations.
21815         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
21816         tie only 128bit modes. For MMX registers, tie only 64bit modes.
21817
21818 2007-02-27  Mike Stump  <mrs@apple.com>
21819
21820         * config/darwin-crt3.c: Avoid compilation when compiling for a
21821         kext multilib.
21822
21823 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
21824
21825         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
21826         FIXED_INCLUDE_DIR.
21827         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
21828         for fixed headers and limits.h.
21829         (install-include-dir, install-headers-tar, install-headers-cpio,
21830         install-headers-cp, real-install-headers-tar,
21831         real-install-headers-cpio, real-install-headers-cp): Handle
21832         include-fixed as well as include.
21833         (install-mkheaders): Don't install files that go only in include
21834         not include-fixed.
21835         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
21836         from GCC_INCLUDE_DIR.
21837         * gcc.c (process_command): Remove special -BstageN/ handling.
21838         (do_spec_1): Add include-fixed directories.
21839
21840 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21841
21842         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
21843         _smulsi3_highpart.
21844         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
21845         New functions.
21846         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
21847         patterns.
21848
21849 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
21850
21851         * c-common.c (get_priority): Add check for
21852         SUPPORTS_INIT_PRIORITY.
21853
21854 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21855
21856         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
21857
21858         * config/bfin/bfin.c: Include "cfglayout.h".
21859         (MAX_LSETUP_DISTANCE): New macro.
21860         (struct loop_info): New members incoming, incoming_src and
21861         incoming_dest.  Delete member predecessor.
21862         (length_for_loop): New function.
21863         (bfin_optimize_loop): Handle more different loop structures.
21864         (bfin_discover_loop): Rework detection of predecessor blocks by
21865         examining incoming edges.
21866         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
21867         bfin_reorg_loops.
21868         (bfin_reorder_loops): New function.
21869         (bfin_reorg_loops): Use these three new functions.
21870
21871         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
21872         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
21873         (CONSTRAINT_LEN): Add entry for 'q'.
21874         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
21875         Add 'q' constraints.
21876         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
21877         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
21878
21879         * config/bfin/bfin.md (add_with_carry): New pattern.
21880         (s_or_u, su_optab, su_modifier): New code macros/attrs.
21881         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
21882         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
21883         support unsigned multiplies too.  Removed incorrect commutativity from
21884         operand 1 constraint where appropriate.
21885         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
21886         patterns.
21887         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
21888         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
21889         New patterns.
21890         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
21891         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
21892         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
21893         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
21894         usmulhisi_hh_huh): New patterns.
21895
21896         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
21897         lshifthi3): Fix output template to use half reg for operand 2.
21898
21899         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
21900         instead of R2.
21901
21902         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
21903
21904 2007-02-27  Andreas Schwab  <schwab@suse.de>
21905
21906         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
21907
21908 2007-02-27  Jan Hubicka  <jh@suse.cz>
21909
21910         * predict.c (last_basic_block_p): Remove.
21911         (tree_estimate_probability): Update return heuristic for commonized
21912         return blocks.
21913
21914 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21915
21916         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
21917
21918 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21919
21920         * doc/include/gcc-common.texi (versionsubtitle): New macro.
21921         * doc/cpp.texi: Standardize title page.
21922         * doc/cppinternals.texi: Likewise.
21923         * doc/gcc.texi: Standardize title page, remove version number
21924         from copyright page.
21925         * doc/gccint.texi: Likewise.
21926         * doc/install.texi: Standardize title page, add table of
21927         contents.
21928
21929 2007-02-26  Jan Hubicka  <jh@suse.cz>
21930
21931         * predict.def: Set outcomes according to more recent results.
21932         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
21933         Remove dead predictors.
21934         * predict.c (return_prediction): Fix pasto.
21935
21936 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21937
21938         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
21939         change; avoid a memory leak when returning early.
21940
21941 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
21942
21943         * c-decl.c (static_ctors): Move to c-common.c.
21944         (static_dtors): Likewise.
21945         (finish_function): Use c_record_cdtor_fn.
21946         (build_cdtor): Move to c-common.c.
21947         (c_write_global_declarations): Use c_build_cdtor_fns.
21948         * c-common.h (static_ctors): Declare.
21949         (static_dtors): Likewise.
21950         (c_record_cdtor_fn): Likewise.
21951         (c_build_cdtor_fns): Likewise.
21952         * c-common.c (static_ctors): New variable.
21953         (static_dtors): Likewise.
21954         (c_record_cdtor_fn): New function.
21955         (build_cdtor): Move from c-decl.c
21956         (c_build_cdtor_fns): New function.
21957
21958         * output.h (assemble_addr_to_section): Declare.
21959         (get_cdtor_priority_section): Likewise.
21960         * varasm.c (assemble_addr_to_section): New function.
21961         (get_cdtor_priority_section): Likewise.
21962         (default_named_section_asm_out_destructor): Use them.
21963         (destor_dtor_section_asm_out_destructor): Likewise.
21964         (default_named_section_asm_out_constructor): Likewise.
21965         (default_ctor_section_asm_out_constructor): Likewise.
21966         * config.gcc (*-*-vxworks*): Include vxworks.o.
21967         * config/t-vxworks (vxworks.o): New target.
21968         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
21969         (TARGET_ASM_CONSTRUCTOR): Define.
21970         (TARGET_ASM_DESTRUCTOR): Likewise.
21971         (vxworks_asm_out_constructor): Declare.
21972         (vxworks_asm_out_destructor): Likewise.
21973
21974         * c-common.c (get_priority): Check that we have not just an
21975         INTEGER_CST, but an integer constant with integeral type.
21976
21977 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
21978
21979         PR tree-optimization/30938
21980         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
21981         use &dt[nargs-1] instead of &dt[nargs] in the call to
21982         vect_is_simple_use().
21983
21984 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
21985
21986         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
21987         from register elimination as PRE_MODIFY / POST_MODIFY increments.
21988         Do not attempt to handle MEM inside auto-inc expressions.
21989         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
21990         of a register modified by an auto-inc expression.  However, do handle
21991         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
21992         (elimination_effects): Prohibit elimination of a register modified
21993         by an auto-inc expression.  Disable register elimination rules whose
21994         target register is modified by an auto-inc expression with variable
21995         increment.
21996
21997 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
21998
21999         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22000         off-by-one error.
22001         (array_at_struct_end_p): New function.
22002         (idx_infer_loop_bounds): Use it.
22003         (estimate_numbers_of_iterations_loop): Export.
22004         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22005         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22006         (tree_estimate_probability): Call record_loop_exits.
22007         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22008         (estimated_loop_iterations, estimated_loop_iterations_int,
22009         estimated_loop_iterations_tree): New functions.
22010         (analyze_siv_subscript_cst_affine,
22011         compute_overlap_steps_for_affine_1_2,
22012         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22013         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22014         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22015         (PRED_LOOP_ITERATIONS_GUESSED): New.
22016         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22017         * cfgloop.h (estimate_numbers_of_iterations_loop,
22018         estimated_loop_iterations_int): Declare.
22019
22020 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22021
22022         * doc/extend.texi: Document optional priority argument to
22023         constructors and destructors.
22024         * tree.c (init_priority_for_decl): Adjust GTY markers.
22025         (init_ttree): Use priority-info hash functions for
22026         init_priority_for_decl.
22027         (tree_map_eq): Rename to ...
22028         (tree_map_base_eq): ... this.
22029         (tree_map_marked_p): Rename to ...
22030         (tree_map_base_marked_p): ... this.
22031         (tree_map_base_hash): New function.
22032         (decl_init_priority_lookup): Rework.
22033         (decl_fini_priority_lookup): New function.
22034         (decl_priority_info): New function.
22035         (decl_init_priority_insert): Use it.
22036         (decl_fini_priority_insert): Likewise.
22037         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22038         hierarchy.
22039         (decl_restrict_base_insert): Likewise.
22040         (decl_debug_expr_insert): Likewise.
22041         (decl_value_expr_lookup): Likewise.
22042         (decl_value_expr_insert): Likewise.
22043         * tree.h (priority_type): New type.
22044         (decl_init_priority_lookup): Use priority_type.
22045         (decl_fini_priority_lookup): New function.
22046         (decl_init_priority_insert): Use priority_type.
22047         (decl_fini_priority_insert): New function.
22048         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22049         (DECL_INIT_PRIORITY): Likewise.
22050         (SET_DECL_INIT_PRIORITY): Add comment.
22051         (DECL_FINI_PRIORITY): New macro.
22052         (SET_DECL_FINI_PRIORITY): Likewise.
22053         (DEFAULT_INIT_PRIORITY): Document.
22054         (MAX_INIT_PRIORITY): Likewise.
22055         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22056         (tree_map_base): New type.
22057         (tree_map_base_eq): New function.
22058         (tree_map_base_hash): Likewise.
22059         (tree_map_base_marked_p): Likewise.
22060         (tree_map): Inherit from tree_map_base.
22061         (tree_map_eq): Make it a macro.
22062         (tree_map_marked_p): Likewise.
22063         (tree_int_map): Inherit from tree_map_base.
22064         (tree_int_map_eq): Make it a macro.
22065         (tree_int_map_hash): Likewise.
22066         (tree_int_map_marked_p): Likewise.
22067         (tree_priority_map): New type.
22068         (tree_priority_map_eq): New macro.
22069         (tree_priority_map_hash): Likewise.
22070         (tree_priority_map_marked_p): Likewise.
22071         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22072         hierarchy.
22073         (emutls_common_1): Likewise.
22074         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22075         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22076         of tree_map hierarchy.
22077         * tree-cfg.c (move_stmt_r): Likewise.
22078         (new_label_mapper): Likewise.
22079         * c-tree.h (c_expand_body): Move to ...
22080         * c-common.h (c_expand_body): ... here.
22081         * c-decl.c (c_expand_body): Move to ...
22082         * c-common.c (c_expand_body): ... here.
22083         (c_common_attribute_table): Allow 1 argument for the constructor
22084         and destructor attributes.
22085         (get_priority): New function.
22086         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22087         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22088
22089 2007-02-24  Jan Hubicka  <jh@suse.cz>
22090
22091         PR middle-end/30509
22092         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22093         copying for inlining.
22094
22095 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22096             Jan Hubicka  <jh@suse.cz>
22097
22098         PR target/30778
22099         * i386.c (counter_mode): New function.
22100         (expand_set_or_movmem_via_loop): Use it.
22101         (expand_movmem_epilogue): Likewise; fix pasto.
22102         (ix86_expand_movmem): Do emit guard even for constant counts.
22103         (ix86_expand_setmem): Likewise.
22104
22105 2007-02-25  Nick Clifton  <nickc@redhat.com>
22106
22107         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22108         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22109
22110 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22111
22112         PR target/30770
22113         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22114         count argument with 0x10, not with 0x16.
22115         (expand_setmem_epilogue): Ditto.
22116
22117 2007-02-24  Mike Stump  <mrs@apple.com>
22118
22119         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22120         symbols.
22121
22122 2007-02-24  Richard Guenther  <rguenther@suse.de>
22123
22124         PR middle-end/30951
22125         * fold-const.c (fold_binary): Fold x +- CST op x for
22126         EQ_EXPR and NE_EXPR.
22127
22128 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22129
22130         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22131
22132 2007-02-24  Jan Hubicka  <jh@suse.cz>
22133
22134         * cgraphunit.c (decide_is_function_needed): Honor
22135         -fkeep-inline-functions.
22136
22137 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22138
22139         * builtins.c (fold_builtin_modf): New.
22140         (fold_builtin_2): Use it.
22141
22142 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22143
22144         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22145         (determine_max_iter): Take additional LOOP arg; all callers changed.
22146         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22147         one using simplifications.
22148         (simplify_using_initial_values): Return if the expression becomes
22149         invalid due to altered regs.
22150
22151 2007-02-23  DJ Delorie  <dj@redhat.com>
22152
22153         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22154
22155 2007-02-23  Mike Stump  <mrs@apple.com>
22156
22157         * tlink.c (scan_linker_output): Parse linker messages from
22158         darwin9's linker better.
22159
22160 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22161
22162         PR debug/29614
22163         * varpool.c (varpool_assemble_pending_decls): Set
22164         varpool_last_needed_node to null.
22165
22166 2007-02-23  DJ Delorie  <dj@redhat.com>
22167
22168         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22169         alignment bigger than the object file can handle.
22170
22171 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22172
22173         PR target/30825
22174         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22175         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22176         (*movsf_1): Penalize MMX moves.
22177
22178 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22179
22180         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22181         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22182
22183         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22184
22185 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22186
22187         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22188         (fold_builtin_1): Use them.
22189         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22190         BUILT_IN_SIGNIFICAND.
22191
22192 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22193
22194         * config/i386/i386.c (bdesc_1arg): Initialize
22195         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22196         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22197         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22198         and IX86_BUILTIN_MOVSLDUP.
22199
22200 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22201
22202         PR rtl-optimization/30841
22203         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22204
22205 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22206
22207         * builtins.c (fold_builtin_frexp): New.
22208         (fold_builtin_2): Use it.
22209
22210 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22211
22212         * doc/invoke.texi (Spec Files): Document getenv spec function.
22213
22214         * gcc.c (getenv_spec_function): New function.
22215         (static_spec_functions): Add it.
22216         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22217         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22218         header files.
22219
22220 2007-02-22  Michael Matz  <matz@suse.de
22221
22222         PR c++/29433
22223         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22224         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22225
22226 2007-02-22  Ian Lance Taylor  <iant@google.com>
22227
22228         PR debug/30898
22229         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22230         (mem_loc_descriptor): Call it.
22231
22232 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22233             Ira Rosen  <irar@il.ibm.com>
22234
22235         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22236
22237 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22238
22239         PR tree-optimization/30843
22240         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22241         stores only after all the group is vectorized.
22242
22243 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22244
22245         PR tree-optimization/30858
22246         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22247         in the reduction cycle have a single use in the loop.
22248         * tree-vectorizer.h (relevant): Add documentation.
22249
22250 2007-02-20  Mike Stump  <mrs@apple.com>
22251
22252         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22253         * configure: Regenerate.
22254
22255 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22256
22257         Change the defaults of some parameters and options.
22258         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22259         * config/spu/spu.c (spu_optimization_options): Add.
22260         (spu_override_options): Change params in spu_optimization_options.
22261         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22262
22263         Register 127 is only 16 byte aligned when used as a frame pointer.
22264         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22265         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22266         HARD_FRAME_POINTER_REGNUM.
22267         (spu_legitimate_address): Use regno_aligned_for_reload.
22268         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22269         aligned when frame_pointer_needed is true.
22270         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22271         to 8 bits.
22272         * config/spu/spu.h (INIT_EXPANDERS): Define.
22273
22274         Make sure shift and rotate instructions have valid immediate operands.
22275         * config/spu/predicates.md (spu_shift_operand): Remove.
22276         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22277         * config/spu/constraints.md (W, O): Extend range.
22278         * config/spu/spu.md (umask, nmask): Define.
22279         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22280         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22281         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22282         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22283         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22284         (lshr<mode>3_reg): Fix rtl description.
22285
22286         Make sure mulhisi immediate operands are valid.
22287         * config/spu/predicates.md (imm_K_operand): Add.
22288         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22289
22290         Generate constants using fsmbi and andi.
22291         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22292         (print_operand, spu_split_immediate, classify_immediate,
22293         fsmbi_const_p): Handle IC_FSMBI2.
22294
22295         Correctly handle a CONST_VECTOR containing symbols.
22296         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22297         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22298         (immediate_load_p): Allow symbols that use 2 instructions to create.
22299         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22300         with symbols when flag_pic is set.
22301         (const_vector_immediate_p): New.
22302         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22303         accept a CONST_VECTOR with symbols.
22304         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22305         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22306         correctly.
22307         * config/spu/spu.md (high, low): Delete.
22308         (low_<mode>): Define.
22309
22310         Remove INTRmode and INTR_REGNUM, which didn't work.
22311         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22312         of INTR_REGNUM.
22313         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22314         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22315         peephole2 pattern): Don't use INTR or 131.
22316         (movintrcc): Delete.
22317         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22318         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22319         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22320         (UNSPEC_SET_INTR): Add.
22321         * config/spu/spu-modes.def (INTR): Remove.
22322
22323         More accurate warnings about run-time relocations.
22324         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22325
22326         Correctly warn about immediate arguments to specific intrinsics.
22327         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22328         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22329         the instruction predicate.
22330
22331         Fix tree check errors with latest update.
22332         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22333         CALL_EXPR_ARG.
22334         (spu_expand_builtin): Use CALL_EXPR_FN.
22335
22336         Add missing specific intrinsics.
22337         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22338         si_bislede.
22339         * config/spu/spu_internals.h: Ditto.
22340
22341         Fix incorrect operand modifiers.
22342         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22343         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22344
22345         Optimize one case of zero_extend of a vec_select.
22346         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22347
22348         Accept any immediate for hbr.
22349         * config/spu/spu.md (hbr): Change s constraints to i.
22350
22351 2007-02-21  Paul Brook  <paul@codesourcery.com>
22352
22353         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22354         condexec_count when skipping USE and CLOBBER.
22355
22356 2007-02-21  Nick Clifton  <nickc@redhat.com>
22357
22358         * common.opt (Warray-bounds): Add Warning attribute.
22359         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22360         Likewise.
22361         (fsized-zeroes): Add Optimization attribute.
22362         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22363         * c.opt (Wc++0x-compat): Add Warning attribute.
22364
22365 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22366
22367         PR middle-end/30761
22368         * reload1.c (eliminate_regs_in_insn): In the single_set special
22369         case, attempt to re-recognize the insn before falling back to
22370         having reload fix it up.
22371
22372 2007-02-20  Eric Christopher  <echristo@gmail.com>
22373
22374         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22375         Rewrite accordingly.
22376         (frv_read_iacc_argument): Ditto.
22377         (frv_expand_set_builtin): Take a call instead of arglist, update for
22378         above changes.
22379         (frv_expand_unop_builtin): Ditto.
22380         (frv_expand_binop_builtin): Ditto.
22381         (frv_expand_cut_builtin): Ditto.
22382         (frv_expand_binopimm_builtin): Ditto.
22383         (frv_expand_voidbinop_builtin): Ditto.
22384         (frv_expand_int_void2arg): Ditto.
22385         (frv_expand_prefetches): Ditto.
22386         (frv_expand_voidtriop_builtin): Ditto.
22387         (frv_expand_voidaccop_builtin): Ditto.
22388         (frv_expand_load_builtin): Ditto.
22389         (frv_expand_store_builtin): Ditto.
22390         (frv_expand_mdpackh_builtin): Ditto.
22391         (frv_expand_mclracc_builtin): Ditto.
22392         (frv_expand_mrdacc_builtin): Ditto.
22393         (frv_expand_mwtacc_builtin): Ditto.
22394         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22395         calls for above.
22396
22397 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22398
22399         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22400         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22401         cmpb instruction.
22402         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22403         point instructions.
22404         * configure: Regenerate.
22405         * config.in: Regenerate.
22406         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22407         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22408         masks to power6 and power6x and to POWERPC_MASKS.
22409         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22410         _ARCH_PWR6.
22411         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22412         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22413         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22414         Access PROTOTYPE as variable, not mask.
22415
22416 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22417
22418         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22419         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22420         * combine.c (adjust_for_new_dest): Use it.
22421         * postreload.c (reload_combine): Likewise.
22422
22423 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22424
22425         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22426         notes on an insn with multiple sets, even if single_set returns
22427         non-NULL for that insn.
22428
22429 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22430
22431         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22432         scalbn and scalbln.
22433
22434 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22435
22436         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22437         if user didn't pass it.
22438         * config/i386/darwin.h (CC1_SPEC): Likewise.
22439         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22440         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22441         -mmacosx-version-min.
22442
22443 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22444             Uros Bizjak  <ubizjak@gmail.com>
22445
22446         * optabs.h (enum optab_index): Add new OTI_scalb.
22447         (scalb_optab): Define corresponding macro.
22448         * optabs.c (init_optabs): Initialize scalb_optab.
22449         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22450         patterns.
22451         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22452         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22453         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22454         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22455         flag_unsafe_math_optimizations is set.
22456
22457         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22458         to implement scalbf, scalb and scalbl built-ins as inline x87
22459         intrinsics.
22460
22461 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22462             DJ Delorie <dj@redhat.com>
22463
22464         PR other/30824
22465         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22466         (diagnostic_report_diagnostic): ... here, and turn them into real
22467         errors. If warnings are inhibited, no need to do anything.
22468
22469 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22470
22471         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22472         better code generation.
22473
22474 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22475
22476         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22477
22478 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22479
22480         * config/alpha/alpha.c, config/alpha/alpha.md,
22481         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22482         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22483         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22484         config/arm/lib1funcs.asm: Follow spelling conventions.
22485
22486         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22487         config/fr30/fr30.md, config/i386/i386.h,
22488         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22489         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22490         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22491         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22492         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22493         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22494         config/sparc/sparc.c, config/sparc/sparc.h,
22495         config/sparc/sparc.md, config/spu/constraints.md,
22496         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22497         conventions.
22498
22499 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22500
22501         PR target/29943
22502         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22503         alias attribute.
22504
22505 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22506
22507         * doc/invoke.texi (-ftree-lrs): Remove.
22508
22509 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22510
22511         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22512         NULL.
22513
22514 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22515
22516         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22517         new CALL_EXPR_FN macro for retrieving the function
22518         declaration of the input expression.
22519
22520 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22521
22522         * c.opt (Waddress): New.
22523         * common.opt (Walways-true): Delete.
22524         (Wstring-literal-comparison): Delete.
22525         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22526         -Wstring-literal-comparison. Add -Waddress.
22527         (Waddress): New.
22528         (Walways-true): Delete.
22529         (Wstring-literal-comparison): Delete.
22530         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22531         consistently instead of -Walways-true in example.
22532         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22533         * c-typeck.c (parser_build_binary_op): Replace
22534         -Wstring-literal-comparison and -Walways-true with -Waddress.
22535         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22536         with -Waddress.
22537
22538 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22539
22540         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22541         without DECL_STRUCT_FUNCTION initialized.
22542
22543 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22544
22545         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22546         due to calls to functions taking pointers as parameters.
22547
22548 2007-02-19  Richard Henderson  <rth@redhat.com>
22549
22550         PR debug/29558
22551         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22552         in memory.
22553
22554 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22555
22556         * config/s390/s390.c (s390_call_saved_register_used,
22557         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22558         accessed to the new scheme.
22559
22560 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22561
22562         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22563         (cris_print_index, cris_print_operand, cris_print_operand_address)
22564         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22565         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22566         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22567         GET_CODE () == xxx.
22568         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22569         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22570         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22571         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22572         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22573         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22574         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22575         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22576         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22577         (uminsi3, call, call_value): Ditto.
22578         (define_split: indir_to_reg_split, unnamed): Ditto.
22579
22580 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22581
22582         PR tree-optimization/30975
22583         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22584         wrong assert.
22585
22586 2007-02-18  Eric Christopher  <echristo@gmail.com>
22587
22588         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22589         Remove use of arglist.
22590         (mips_expand_builtin): Remove use of arglist, pass in expr.
22591         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22592         (mips_expand_builtin_movtf): Ditto.
22593         (mips_expand_builtin_compare): Ditto.
22594
22595 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22596
22597         * tree-sra.c (sra_build_assignment): Replace assertion
22598         checking with a comment explaining why it can't be done.
22599
22600 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22601
22602         PR middle-end/30833
22603         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22604         during CALL_EXPR representation conversion.
22605         * tree-ssa-propagate.c (set_rhs): Likewise.
22606
22607 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22608
22609         * tree-sra.c (sra_build_assignment): Disable assertion checking
22610         for now.
22611
22612 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22613
22614         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22615         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22616         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22617         Likewise.
22618         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22619         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22620         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22621         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22622         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22623         force_gimple_operand): Likewise.
22624         * ipa-cp.c (constant_val_insert): Likewise.
22625         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22626         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22627         perfect_nestify): Likewise.
22628         * langhooks.c (lhd_omp_assignment): Likewise.
22629         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22630         lower_copyprivate_clauses, lower_send_clauses,
22631         lower_send_shared_vars, expand_parallel_call,
22632         expand_omp_for_generic, expand_omp_for_static_nochunk,
22633         expand_omp_for_static_chunk, expand_omp_sections,
22634         lower_omp_single_copy, lower_omp_for_lastprivate,
22635         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22636         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22637         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22638         Likewise.
22639
22640 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22641
22642         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22643         config/sh/sh.md: Follow spelling conventions.
22644
22645         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22646         config/frv/predicates.md: Follow spelling conventions.
22647
22648         * config/m68k/linux-unwind.h: Fix a comment typo.
22649         * target.h: Follow spelling conventions.
22650
22651 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22652
22653         PR rtl-optimization/28173
22654         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22655         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22656         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22657         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22658         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22659
22660 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22661
22662         * builtins.c (fold_builtin_load_exponent): New.
22663         (fold_builtin_2): Use it.
22664
22665 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22666
22667         PR rtl-optimization/30773
22668         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22669         if we fail to attach a REG_EQUIV note.
22670
22671 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22672             Roger Sayle  <roger@eyesopen.com>
22673
22674         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22675
22676 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22677
22678         * calls.c (initialize_argument_information): Pass original EXP
22679         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22680         code to split complex arguments here, as part of initializing the
22681         ARGS array.
22682         (expand_call): Remove code that builds a list of arguments and
22683         inserts implicit arguments into it.  Instead, just count how many
22684         implicit arguments there will be so we can determine the size of
22685         the ARGS array, and let initialize_argument_information do the work.
22686         (split_complex_values): Delete unused function.
22687
22688 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22689
22690         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
22691
22692 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
22693
22694         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
22695         for arg pointer based indexed addressing.
22696
22697 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22698
22699         * config/ia64/ia64.h, config/ia64/ia64.md,
22700         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
22701         spelling conventions.
22702
22703 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22704
22705         * config/m68k/m68k.c (split_di): New.
22706         * config/m68k/m68k-protos.h: Declare split_di.
22707         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
22708           Improve predicate handling and split constant shifts.
22709
22710 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22711
22712         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
22713         parameter for register bitfield operations, general predicates
22714         cleanup
22715
22716 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
22717
22718         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
22719         * config/m68k/linux-unwind.h: New file.
22720
22721 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
22722
22723         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
22724         config/i386/athlon.md, config/ia64/ia64.md,
22725         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
22726         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
22727         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
22728         tree-ssa-loop-niter.c, tree-vect-analyze.c,
22729         tree-vect-transform.c: Fix comment typos.
22730
22731 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
22732
22733         * sched-deps.c (find_insn_list): Remove.
22734         * sched-int.h: Remove the prototype for find_insn_list.
22735
22736 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
22737
22738         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
22739         to linker.
22740         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
22741         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
22742         darwin_rs6000_override_options.
22743         (C_COMMON_OVERRIDE_OPTIONS): Expect
22744         darwin_macosx_version_min to be non-NULL always.
22745         (TARGET_C99_FUNCTIONS): Likewise.
22746         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
22747         (DARWIN_MINVERSION_SPEC): New.
22748         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
22749         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
22750         to cc1*.
22751         (DARWIN_MINVERSION_SPEC): New.
22752         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
22753         value.
22754         * config/darwin-c.c (darwin_cpp_builtins): Expect
22755         darwin_macosx_version_min to be non-NULL always.
22756
22757         * config/rs6000/rs6000.c: Clean up trailing whitespace.
22758
22759 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
22760
22761         * config/i386/i386.h (x86_use_xchgb): New.
22762         (TARGET_USE_XCHGB): New macro.
22763         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
22764         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
22765         Split after reload into bswaphi for shifts of 8.
22766         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
22767         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
22768         or when optimizing for size.
22769
22770 2007-02-16  Richard Guenther  <rguenther@suse.de>
22771             Christian Bruel  <christian.bruel@st.com>
22772
22773         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
22774         DECLs but prefer SSA_NAMEs over DECLs.
22775
22776 2007-02-16  Richard Guenther  <rguenther@suse.de>
22777
22778         * tree-flow-inline.h (single_imm_use_p): Remove.
22779         (zero_imm_uses_p): Likewise.
22780         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
22781         instead of single_imm_use_p.
22782         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
22783         zero_imm_uses_p.
22784
22785 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22786
22787         PR other/27843
22788         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
22789         nested double- and backquotes.
22790
22791 2007-02-15  Roger Sayle  <roger@eyesopen.com>
22792
22793         PR middle-end/30391
22794         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
22795         should be unreachable.
22796         (build2_stat): Allow construction of MODIFY_EXPR at any time.
22797         For the time being redirect GIMPLE_MODIFY_STMT to the new
22798         (renamed) build_gimple_modify_stmt_stat.
22799         (build2_gimple_stat): Rename to...
22800         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
22801         Always build a GIMPLE_MODIFY_STMT node.
22802         * tree.h (build2_gimple, build2_gimple_stat): Delete.
22803         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
22804         declarations.
22805
22806         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
22807         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
22808         * tree-complex.c (set_component_ssa_name, expand_complex_move,
22809         expand_complex_div_wide): Likewise.
22810         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
22811         * tree-ssa-loop-im.c (schedule_sm): Likewise.
22812         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
22813         * tree-ssa-loop-manip.c (create_iv): Likewise.
22814         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
22815         abs_replacement): Likewise.
22816         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
22817         realify_fake_stores): Likewise.
22818
22819         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
22820         node rather than a GIMPLE_MODIFY_STMT node.
22821         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
22822         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
22823         Likewise.
22824         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
22825         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
22826         GIMPLE_MODIFY_STMT.
22827
22828 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22829
22830         PR middle-end/30433
22831         * fold-const.c (fold_comparison): Add back the
22832         folding of constant complex comparisions.
22833
22834 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22835
22836         PR middle-end/30729
22837         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
22838         effects unknown to this function, return early.
22839
22840 2007-02-15  Ian Lance Taylor  <iant@google.com>
22841
22842         * lower-subreg.c (move_eh_region_note): New static function.
22843         (resolve_simple_move): Call it.
22844         (decompose_multiword_subregs): Track blocks for which we resolve a
22845         simple move which is also a control flow insn.  Pass them to
22846         find_many_sub_basic_blocks.
22847         (pass_lower_subreg): Add TODO_verify_flow.
22848         (pass_lower_subreg2): Likewise.
22849
22850 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22851             Brooks Moses  <brooks.moses@codesourcery.com>
22852             Lee Millward  <lee.millward@codesourcery.com>
22853
22854         * tree.h (enum tree_code_class): Add tcc_vl_exp.
22855         (VL_EXP_CLASS_P): New.
22856         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
22857         TREE_CODE_LENGTH.
22858         (TREE_OPERAND_CHECK_CODE): Likewise.
22859         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
22860         (TREE_RTL_OPERAND_CHECK): Likewise.
22861         (tree_operand_check_failed): Make second parameter the whole tree
22862         instead of its code.  Fixed callers.
22863         (VL_EXP_CHECK): New.
22864         (TREE_OPERAND_LENGTH): New.
22865         (VL_EXP_OPERAND_LENGTH): New.
22866         (CALL_EXPR_FN): New.
22867         (CALL_EXPR_STATIC_CHAIN): New.
22868         (CALL_EXPR_ARGS): New.
22869         (CALL_EXPR_ARG): New.
22870         (call_expr_nargs): New.
22871         (CALL_EXPR_ARGP): New.
22872         (build_nt_call_list): Declare.
22873         (build_vl_exp_stat): Declare.
22874         (build_vl_exp): New.
22875         (build_call_list): Declare.
22876         (build_call_nary): Declare.
22877         (build_call_valist): Declare.
22878         (build_call_array): Declare.
22879         (call_expr_arg): Declare.
22880         (call_expr_argp): Declare.
22881         (call_expr_arglist): Declare.
22882         (fold_build_call_list): Declare.
22883         (fold_build_call_list_initializer): Declare.
22884         (fold_call_expr): Declare to replace fold_builtin.
22885         (fold_builtin_fputs): Update to agree with modified definition.
22886         (fold_builtin_strcpy): Likewise.
22887         (fold_builtin_strncpy): Likewise.
22888         (fold_builtin_memory_chk): Likewise.
22889         (fold_builtin_stxcpy_chk): Likewise.
22890         (fold_builtin_strncpy_chk): Likewise.
22891         (fold_builtin_next_arg): Likewise.
22892         (fold_build_call_expr): Declare.
22893         (fold_builtin_call_list): Declare.
22894         (fold_builtin_call_valist): Declare.
22895         (build_call_expr): Declare.
22896         (validate_arglist): Update to agree with modified definition.
22897         (tree_operand_length): New.
22898         (call_expr_arg_iterator): New.
22899         (init_call_expr_arg_iterator): New.
22900         (next_call_expr_arg): New.
22901         (first_call_expr_arg): New.
22902         (more_call_expr_args_p): New.
22903         (FOR_EACH_CALL_EXPR_ARG): New.
22904
22905         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
22906         and tcc_gimple_stmt.
22907         (tree_code_size): Update documentation.  Use sizeof (tree) rather
22908         than sizeof (char *).
22909         (tree_size): Likewise.  Add case for tcc_vl_exp.
22910         (tree_node_structure): Add case for tcc_vl_exp.
22911         (contains_placeholder_p): Likewise.
22912         (substitute_in_expr): Likewise.
22913         (substitute_placeholder_in_expr): Likewise.
22914         (stabilize_reference_1): Likewise.
22915         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
22916         to diagnose breakage of this interface for constructing CALL_EXPRs.
22917         (build_nt): Add similar assertion here.
22918         (build_nt_call_list): New.
22919         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
22920         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
22921         TREE_CODE_LENGTH.
22922         (get_callee_fndecl): Use new CALL_EXPR accessors.
22923         (tree_operand_check_failed): Change parameters to pass entire node
22924         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
22925         (process_call_operands): New.
22926         (build_vl_exp_stat): New.
22927         (build_call_list): New.
22928         (build_call_nary): New.
22929         (build_call_valist): New.
22930         (build_call_array): New.
22931         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
22932         (call_expr_arglist): New.
22933
22934         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
22935         tcc_vl_exp instead of a fixed-size tcc_expression.
22936
22937         * doc/c-tree.texi (CALL_EXPR): Document new representation and
22938         accessors for CALL_EXPRs.
22939         (AGGR_INIT_EXPR): Likewise.
22940
22941 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
22942             Brooks Moses  <brooks.moses@codesourcery.com>
22943             Lee Millward  <lee.millward@codesourcery.com>
22944
22945         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
22946         (expand_builtin_nonlocal_goto): Change parameter to be entire
22947         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
22948         (expand_builtin_prefetch): Likewise.
22949         (expand_builtin_classify_type): Likewise.
22950         (mathfn_built_in): Return NULL_TREE instead of 0.
22951         (expand_errno_check): Use new CALL_EXPR accessors.
22952         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
22953         Return NULL_RTX instead of 0.
22954         (expand_builtin_mathfn_2): Likewise.
22955         (expand_builtin_mathfn_3): Likewise.
22956         (expand_builtin_interclass_mathfn): Likewise.
22957         (expand_builtin_sincos): Likewise.
22958         (expand_builtin_cexpi): Likewise.
22959         (expand_builtin_int_roundingfn): Likewise.
22960         (expand_builtin_int_roundingfn_2): Likewise.
22961         (expand_builtin_pow): Likewise.
22962         (expand_builtin_powi): Likewise.
22963         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
22964         of arglist, fixing callers appropriately.  Use new CALL_EXPR
22965         accessors and constructors.  Return NULL_RTX instead of 0.
22966         (expand_builtin_strstr): Likewise.
22967         (expand_builtin_strchr): Likewise.
22968         (expand_builtin_strrchr): Likewise.
22969         (expand_builtin_strpbrk): Likewise.
22970         (expand_builtin_memcpy): Likewise.
22971         (expand_builtin_mempcpy): Likewise.
22972         (expand_builtin_mempcpy_args): New.
22973         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
22974         (expand_builtin_memmove_args): New.
22975         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
22976         (expand_movstr): Likewise.
22977         (expand_builtin_strcpy): Likewise.
22978         (expand_builtin_strcpy_args): New.
22979         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
22980         (expand_builtin_strncpy): Likewise.
22981         (expand_builtin_memset): Likewise.
22982         (expand_builtin_memset_args): New.
22983         (expand_builtin_bzero): Similarly to expand_builtin_memset.
22984         (expand_builtin_memcmp): Likewise.
22985         (expand_builtin_strcmp): Likewise.
22986         (expand_builtin_strncmp): Likewise.
22987         (expand_builtin_strcat): Likewise.
22988         (expand_builtin_strncat): Likewise.
22989         (expand_builtin_strspn): Likewise.
22990         (expand_builtin_strcspn): Likewise.
22991         (expand_builtin_args_info): Likewise.
22992         (expand_builtin_va_start): Likewise.
22993         (gimplify_va_arg_expr): Likewise.
22994         (expand_builtin_va_end): Likewise.
22995         (expand_builtin_va_copy): Likewise.
22996         (expand_builtin_frame_address): Likewise.
22997         (expand_builtin_alloca): Likewise.
22998         (expand_builtin_bswap): Likewise.
22999         (expand_builtin_unop): Likewise.
23000         (expand_builtin_fputs): Likewise.
23001         (expand_builtin_expect): Likewise.
23002         (expand_builtin_fabs): Likewise.
23003         (expand_builtin_copysign): Likewise.
23004         (expand_builtin_printf): Likewise.
23005         (expand_builtin_fprintf): Likewise.
23006         (expand_builtin_sprintf): Likewise.
23007         (expand_builtin_init_trampoline): Likewise.
23008         (expand_builtin_signbit): Likewise.
23009         (expand_builtin_fork_or_exec): Likewise.
23010         (expand_builtin_sync_operation): Likewise.
23011         (expand_builtin_compare_and_swap): Likewise.
23012         (expand_builtin_lock_test_and_set): Likewise.
23013         (expand_builtin_lock_release): Likewise.
23014         (expand_builtin): Likewise.
23015         (builtin_mathfn_code): Likewise.
23016
23017         (fold_builtin_constant_p): Pass call arguments individually instead
23018         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23019         accessors and constructors.  Return NULL_TREE instead of 0.
23020         (fold_builtin_expect): Likewise.
23021         (fold_builtin_classify_type): Likewise.
23022         (fold_builtin_strlen): Likewise.
23023         (fold_builtin_nan): Likewise.
23024         (integer_valued_real_p): Likewise.
23025         (fold_trunc_transparent_mathfn): Likewise.
23026         (fold_fixed_mathfn): Likewise.
23027         (fold_builtin_cabs): Likewise.
23028         (fold_builtin_sqrt): Likewise.
23029         (fold_builtin_cbrt): Likewise.
23030         (fold_builtin_cos): Likewise.
23031         (fold_builtin_cosh): Likewise.
23032         (fold_builtin_tan): Likewise.
23033         (fold_builtin_sincos): Likewise.
23034         (fold_builtin_cexp): Likewise.
23035         (fold_builtin_trunc): Likewise.
23036         (fold_builtin_floor): Likewise.
23037         (fold_builtin_ceil): Likewise.
23038         (fold_builtin_round): Likewise.
23039         (fold_builtin_int_roundingfn): Likewise.
23040         (fold_builtin_bitop): Likewise.
23041         (fold_builtin_bswap): Likewise.
23042         (fold_builtin_logarithm): Likewise.
23043         (fold_builtin_hypot): Likewise.
23044         (fold_builtin_pow): Likewise.
23045         (fold_builtin_powi): Likewise.
23046         (fold_builtin_exponent): Likewise.
23047         (fold_builtin_memset): Likewise.
23048         (fold_builtin_bzero): Likewise.
23049         (fold_builtin_memory_op): Likewise.
23050         (fold_builtin_bcopy): Deleted; call site changed to invoke
23051         fold_builtin_memory_op directly.
23052         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23053         (fold_builtin_strncpy): Likewise.
23054         (fold_builtin_memcmp): Likewise.
23055         (fold_builtin_strcmp): Likewise.
23056         (fold_builtin_strncmp): Likewise.
23057         (fold_builtin_signbit): Likewise.
23058         (fold_builtin_copysign): Likewise.
23059         (fold_builtin_isascii): Likewise.
23060         (fold_builtin_toascii): Likewise.
23061         (fold_builtin_isdigit): Likewise.
23062         (fold_builtin_fabs): Likewise.
23063         (fold_builtin_abs): Likewise.
23064         (fold_builtin_fmin_fmax): Likewise.
23065         (fold_builtin_carg): Likewise.
23066         (fold_builtin_classify): Likewise.
23067         (fold_builtin_unordered_cmp): Likewise.
23068
23069         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23070         New functions split out from fold_builtin_1.
23071         (fold_builtin_n): New.
23072         (fold_builtin_varargs): New.
23073         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23074         instead.
23075         (fold_call_expr): New.
23076         (build_function_call_expr): Rewrite to use new helper function.
23077         (fold_builtin_call_list): New.
23078         (build_call_expr): New.
23079         (fold_builtin_call_valist): New.
23080         (rewrite_call_expr): New.
23081         (validate_arg): New.
23082         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23083         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23084         accessors.
23085
23086         (fold_builtin_strstr): Pass call arguments individually instead
23087         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23088         accessors and constructors.  Return NULL_TREE instead of 0.
23089         (fold_builtin_strchr): Likewise.
23090         (fold_builtin_strrchr): Likewise.
23091         (fold_builtin_strpbrk): Likewise.
23092         (fold_builtin_strcat): Likewise.
23093         (fold_builtin_strncat): Likewise.
23094         (fold_builtin_strspn): Likewise.
23095         (fold_builtin_strcspn): Likewise.
23096         (fold_builtin_fputs): Likewise.
23097         (fold_builtin_next_arg): Likewise.
23098         (fold_builtin_sprintf): Likewise.
23099
23100         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23101         NULL_RTX instead of 0.
23102         (expand_builtin_memory_chk): Likewise.
23103         (maybe_emit_chk_warning): Likewise.
23104         (maybe_emit_sprintf_chk_warning): Likewise.
23105
23106         (fold_builtin_object_size): Pass call arguments individually instead
23107         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23108         accessors and constructors.  Return NULL_TREE instead of 0.
23109         (fold_builtin_memory_chk): Likewise.
23110         (fold_builtin_stxcpy_chk): Likewise.
23111         (fold_builtin_strncpy_chk): Likewise.
23112         (fold_builtin_strcat_chk): Likewise.
23113         (fold_builtin_strcat_chk): Likewise.
23114         (fold_builtin_strncat_chk): Likewise.
23115         (fold_builtin_sprintf_chk): Likewise.
23116         (fold_builtin_snprintf_chk): Likewise.
23117         (fold_builtin_printf): Likewise.
23118         (fold_builtin_vprintf): Likewise.
23119
23120         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23121         constructors.
23122         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23123         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23124         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23125         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23126         (fold_unary): Likewise.
23127         (fold_binary): Likewise.
23128         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23129         ternary expressions.
23130         (fold): Add logic for tcc_vl_exp.
23131         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23132         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23133         (fold_build3_stat): Add assertion to flag broken interface for
23134         constructing CALL_EXPRs.
23135         (fold_build_call_list): New.
23136         (fold_build_call_list_initializer): New.
23137         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23138         constructors.
23139         (fold_strip_sign_ops): Likewise.
23140
23141 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23142             Brooks Moses  <brooks.moses@codesourcery.com>
23143             Lee Millward  <lee.millward@codesourcery.com>
23144
23145         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23146         accessors and dump arguments explicitly.
23147
23148         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23149         TREE_CODE_LENGTH.
23150         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23151         explicitly.
23152         (print_call_name): Use new CALL_EXPR accessors.
23153
23154         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23155         CALL_EXPR arguments explicitly instead of as a list.  Use
23156         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23157
23158         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23159         (vrp_visit_stmt): Likewise.
23160
23161         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23162         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23163         TREE_CODE_LENGTH.
23164         (force_move_till_expr): Likewise.
23165
23166         * targhooks.c (default_external_stack_protect_fail): Use
23167         build_call_expr instead of build_function_call_expr.
23168         (default_hidden_stack_protect_fail): Likewise.
23169
23170         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23171         build the call.
23172
23173         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23174         and walk arguments explicitly.
23175
23176         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23177         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23178         (expand_simple_operations): Likewise.
23179         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23180
23181         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23182         of TREE_CODE_LENGTH.
23183         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23184
23185         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23186         instead of TREE_CODE_LENGTH.
23187
23188         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23189         (tree_ic_transform): Likewise.
23190         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23191         parameter instead of arglist.  Fix callers.
23192         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23193         (tree_stringops_transform): Likewise.
23194         (tree_indirect_call_to_profile): Likewise.
23195         (tree_stringops_values_to_profile): Likewise.
23196
23197         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23198         (eliminate_tail_call): Likewise.
23199
23200         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23201
23202         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23203         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23204         operands.
23205         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23206
23207         * omp-low.c (build_omp_barrier): Use build_call_expr.
23208         (lower_rec_input_clauses): Likewise.
23209         (lower_reduction_clauses): Likewise.
23210         (expand_parallel_call): Likewise.
23211         (maybe_catch_exception): Likewise.
23212         (expand_omp_for_generic): Likewise.
23213         (expand_omp_for_static_nochunk): Likewise.
23214         (expand_omp_sections): Likewise.
23215         (lower_omp_single_simple): Likewise.
23216         (lower_omp_single_copy): Likewise.
23217         (lower_omp_master): Likewise.
23218         (lower_omp_ordered): Likewise.
23219         (lower_omp_critical): Likewise.
23220
23221         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23222         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23223
23224         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23225         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23226         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23227
23228         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23229         and generalize to handle any number of operands.
23230         (chrec_contains_undetermined): Likewise.
23231         (tree_contains_chrecs): Likewise.
23232         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23233
23234         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23235
23236         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23237         fold_call_expr instead of fold_builtin.
23238         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23239         match declarations there.
23240         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23241         updates.
23242
23243         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23244         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23245
23246         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23247         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23248
23249         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23250         accessors.
23251
23252         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23253         (execute_cse_sincos): Use new CALL_EXPR accessors.
23254
23255         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23256
23257         * gimple-low.c (lower_function_body): Use build_call_expr.
23258         (lower_builtin_setjmp): Likewise.
23259
23260         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23261         (set_storage_via_libcall): Likewise.
23262         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23263         instead of TREE_CODE_LENGTH.
23264         (expand_expr_real_1): Use new CALL_EXPR accessors.
23265
23266         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23267         generalize to handle any number of operands.
23268         (TB_parent_eq): Likewise.
23269
23270         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23271         (strip_builtin_expect): Likewise.
23272
23273         * function.c (gimplify_parameters): Use build_call_expr.
23274
23275         * tree-vectorizer.c (vect_is_simple_reduction): Use
23276         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23277
23278         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23279         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23280
23281         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23282         iterators.
23283
23284         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23285         (gimplify_decl_expr): Likewise.
23286         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23287         Use new CALL_EXPR iterators.
23288         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23289         (gimplify_modify_expr_to_memset): Likewise.
23290         (gimplify_variable_sized_compare): Likewise.
23291         (gimplify_omp_atomic_fetch_op): Likewise.
23292         (gimplify_omp_atomic_pipeline): Likewise.
23293         (gimplify_omp_atomic_mutex): Likewise.
23294         (gimplify_function_tree): Likewise.
23295
23296         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23297         (call_expr_flags): Likewise.
23298         (expand_call): Likewise.
23299
23300         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23301         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23302         accessors.
23303
23304         * coverage.c (create_coverage): Use build_call_expr.
23305
23306         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23307         (temp_call_expr_obstack): New.
23308         (pool_copy_list): Delete.
23309         (temp_copy_call_expr): New.
23310         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23311         CALL_EXPR accessors.  Get rid of special goo for copying argument
23312         lists and use temp_copy_call_expr instead.
23313         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23314         CALL_EXPR accessors.
23315         (create_expression_by_pieces): Likewise.  Use build_call_array
23316         to construct the result instead of fold_build3.
23317         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23318         dealing with argument lists.
23319         (init_pre): Remove references to expression_node_pool and
23320         list_node_pool.  Init temp_call_expr_obstack instead.
23321         (fini_pre): Remove references to expression_node_pool and
23322         list_node_pool.
23323
23324         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23325         and walk arguments explicitly instead of as a list.
23326
23327         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23328         (mx_register_decls): Likewise.
23329         (mudflap_register_call): Likewise.
23330         (mudflap_finish_file): Likewise.
23331
23332         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23333         (ipa_callsite_compute_param): Likewise.
23334
23335         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23336         accessors and constructor.
23337
23338         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23339         accessors and constructor.
23340         (convert_tramp_reference): Likewise.
23341         (convert_call_expr): Likewise.
23342         (finalize_nesting_tree_1): Likewise.
23343
23344         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23345         accessors.
23346
23347         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23348
23349         * tree-inline.c (initialize_inlined_parameters): Pass entire
23350         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23351         accessors.
23352         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23353         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23354
23355         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23356         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23357         (vectorizable_reduction): Likewise.
23358         (vectorizable_call): Use new CALL_EXPR iterators.
23359         (vectorizable_conversion): Use build_call_expr.
23360         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23361         (vect_gen_widened_results_half): Use build_call_expr.
23362         (vect_setup_realignment): Likewise.
23363         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23364
23365         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23366         (pass_through_call): Likewise.
23367         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23368         fold_builtin.
23369
23370         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23371         (tree_gen_pow2_profiler): Likewise.
23372         (tree_gen_one_value_profiler): Likewise.
23373         (tree_gen_ic_func_profiler): Likewise.
23374         (tree_gen_average_profiler): Likewise.
23375         (tree_gen_ior_profiler): Likewise.
23376
23377         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23378         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23379         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23380
23381         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23382         of TREE_CODE_LENGTH.
23383
23384         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23385         of TREE_CODE_LENGTH.
23386
23387         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23388         constructor.
23389         (convert_to_integer): Likewise.
23390
23391         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23392         accessors.
23393
23394 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23395             Brooks Moses  <brooks.moses@codesourcery.com>
23396             Lee Millward  <lee.millward@codesourcery.com>
23397
23398         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23399         accessors.
23400         * config/frv/frv.c (frv_expand_builtin): Likewise.
23401         * config/s390/s390.c (s390_expand_builtin): Likewise.
23402
23403         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23404         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23405
23406         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23407         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23408         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23409         (ix86_expand_store_builtin): Likewise.
23410         (ix86_expand_unop_builtin): Likewise.
23411         (ix86_expand_unop1_builtin): Likewise.
23412         (ix86_expand_sse_compare): Likewise.
23413         (ix86_expand_sse_comi): Likewise.
23414         (ix86_expand_vec_init_builtin): Likewise.
23415         (ix86_expand_vec_ext_builtin): Likewise.
23416         (ix86_expand_vec_set_builtin): Likewise.
23417         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23418
23419         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23420         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23421
23422         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23423         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23424         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23425
23426         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23427         build_call_expr.
23428         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23429         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23430         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23431         (altivec_expand_abs_builtin): Likewise.
23432         (rs6000_expand_binop_builtin): Likewise.
23433         (altivec_expand_predicate_builtin): Likewise.
23434         (altivec_expand_lv_builtin): Likewise.
23435         (spe_expand_stv_builtin): Likewise.
23436         (altivec_expand_stv_builtin): Likewise.
23437         (rs6000_expand_ternop_builtin): Likewise.
23438         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23439         (altivec_expand_st_builtin): Likewise.
23440         (altivec_expand_dst_builtin): Likewise.
23441         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23442         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23443         (altivec_expand_vec_set_builtin): Likewise.
23444         (altivec_expand_vec_ext_builtin): Likewise.
23445         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23446         (spe_expand_builtin): Likewise.
23447         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23448         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23449         (spe_expand_evsel_builtin): Likewise.
23450         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23451         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23452
23453         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23454         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23455         (arm_expand_unop_builtin): Likewise.
23456         (arm_expand_builtin): Use new CALL_EXPR accessors.
23457
23458         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23459         accessors.
23460
23461         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23462         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23463         Fix callers.
23464         (bfin_expand_unop_builtin): Likewise.
23465         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23466
23467 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23468             Brooks Moses  <brooks.moses@codesourcery.com>
23469             Lee Millward  <lee.millward@codesourcery.com>
23470
23471         * c-semantics.c (build_stmt): Add internal diagnostic check.
23472
23473         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23474         accessors.  Print arguments explicitly instead of as a list.
23475
23476         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23477
23478         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23479         (c_finish_omp_flish): Likewise.
23480
23481         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23482         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23483         instead of TREE_CODE_LENGTH.
23484         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23485         (c_warn_unused_result): Likewise.
23486
23487 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23488
23489         PR c/26494
23490         * doc/invoke.texi (Warning Options): Remove
23491         -Werror-implicit-function-declaration.
23492         (Wimplicit-function-declaration): Update description.
23493         * opts.c (common_handle_option): Move handling of -Werror=* to...
23494         (enable_warning_as_error): ...here.
23495         * opts.h (enable_warning_as_error): Declare.
23496         * c-decl.c (implicit_decl_warning): Unless
23497         -Wno-implicit-function-declaration is given, emit a pedwarn if
23498         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23499         * c.opt (Wimplicit-function-declaration): Replace
23500         mesg_implicit_function_declaration with
23501         warn_implicit_function_declaration.
23502         * c-opts.c (c_common_handle_option):
23503         -Werror-implicit-function-declaration is exactly equal as
23504         -Werror=implicit-function-declaration.
23505         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23506         warn_implicit_function_declaration.
23507         (c_common_post_options): -Wimplict-function-declaration is enabled
23508         by default by -std=c99, otherwise is disabled by default.
23509         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23510
23511 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23512
23513         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23514         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23515         former is ignored but not the latter.
23516
23517 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23518
23519         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23520         is made and the reference doesn't use the alias set of its type,
23521         do not create the temporary using that type.
23522
23523 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23524
23525         * jump.c: Remove prototypes for delete_computation and
23526         delete_prior_computation.
23527
23528 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23529
23530         * jump.c (get_label_after): Delete.
23531         (get_label_before, delete_computation, delete_jump,
23532         delete_prior_computation, follow_jumps): Move...
23533         * reorg.c (delete_computation, delete_prior_computation): ... here...
23534         (get_label_before, delete_jump): ... making these static ...
23535         (follow_jumps): ... and simplifying this since it only runs after
23536         reload.
23537         * rtl.h (get_label_after, get_label_before, delete_jump,
23538         follow_jumps): Delete prototypes.
23539
23540 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23541
23542         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23543
23544 2007-02-15  Nick Clifton  <nickc@redhat.com>
23545
23546         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23547         order to prevent it from being munged by the target.
23548
23549 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23550
23551         * config/i386/i386.md: Remove misleading comment.
23552
23553 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23554
23555         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23556         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23557         invalid patterns.
23558
23559 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23560
23561         * tree-sra.c (instantiate_missing_elements): Canonicalize
23562         bit-field types.
23563         (sra_build_assignment): New.
23564         (generate_copy_inout, generate_element_copy,
23565         generate_element_zero, generate_one_element_init): Use it.
23566
23567 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23568
23569         * tree-sra.c (instantiate_missing_elements): Canonicalize
23570         bit-field types.
23571         (sra_build_assignment): New.
23572         (generate_copy_inout, generate_element_copy,
23573         generate_element_zero, generate_one_element_init): Use it.
23574
23575 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23576
23577         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23578         limbo die nodes.
23579
23580 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23581
23582         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23583         types as aggregates not scalars.
23584         * function.c (assign_stack_temp_for_type): Likewise.
23585
23586 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23587             Zdenek Dvorak  <dvorakz@suse.cz>
23588
23589         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23590         name.
23591
23592 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23593
23594         * passes.c (next_pass_1): Clear the next field of the copied
23595         pass structure.
23596
23597 2007-02-14  Richard Henderson  <rth@redhat.com>
23598
23599         * tree-sra.c (early_sra): New.
23600         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23601         (tree_sra_early, pass_sra_early): New.
23602         * tree-pass.h (pass_sra_early): Declare.
23603         * passes.c (init_optimization_passes): Use it.
23604
23605 2007-02-14  Richard Guenther  <rguenther@suse.de>
23606
23607         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23608
23609 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23610
23611          PR tree-optimization/30771
23612         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23613         also phi nodes.
23614         (vect_analyze_operations): Induction phis can now be marked as
23615         used_in_loop.
23616         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23617         Update documentation accordingly.
23618
23619 2007-02-14  Nick Clifton  <nickc@redhat.com>
23620
23621         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23622         most 3 arguments are supported.
23623         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23624
23625 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23626
23627         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23628         Ensure dst->current is valid.
23629
23630 2007-02-13  Paul Brook  <paul@codesourcery.com>
23631
23632         * config.gcc: Add arm*-*-uclinux-*eabi.
23633         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23634         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23635         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23636         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23637         (LINK_SPEC): Define.
23638         (LIB_SPEC): Define.
23639         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23640         register.
23641         * config/arm/uclinux-eabi.h: New file.
23642         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23643         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23644         based targets.
23645
23646 2007-02-13  Ian Lance Taylor  <iant@google.com>
23647
23648         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23649         * flags.h (warn_strict_overflow): Declare.
23650         (enum warn_strict_overflow_code): Define.
23651         (issue_strict_overflow_warning): New static inline function.
23652         * opts.c (warn_strict_overflow): New variable.
23653         (common_handle_option): Handle OPT_Wstrict_overflow and
23654         OPT_Wstrict_overflow_.
23655         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23656         OPT_Wall.
23657         * fold-const.c: Include intl.h.
23658         (fold_deferring_overflow_warnings): New static variable.
23659         (fold_deferred_overflow_warning): New static variable.
23660         (fold_deferred_overflow_code): New static variable.
23661         (fold_defer_overflow_warnings): New function.
23662         (fold_undefer_overflow_warnings): New function.
23663         (fold_undefer_and_ignore_overflow_warnings): New function.
23664         (fold_deferring_overflow_warnings_p): New function.
23665         (fold_overflow_warning): New static function.
23666         (make_range): Add strict_overflow_p parameter.  Change all
23667         callers.
23668         (extract_muldiv, extract_muldiv_1): Likewise.
23669         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23670         tree_expr_nonnegative_p.
23671         (fold_negate_expr): Call fold_overflow_warning.
23672         (fold_range_test): Likewise.
23673         (fold_comparison): Likewise.
23674         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23675         instead of tree_expr_nonnegative_p.
23676         (tree_expr_nonnegative_warnv_p): Rename from
23677         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23678         (tree_expr_nonnegative_p): New function.
23679         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23680         strict_overflow_p parameter.
23681         (tree_expr_nonzero_p): New function.
23682         * passes.c (verify_interpass_invariants): New static function.
23683         (execute_one_pass): Call it.
23684         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
23685         warnings.
23686         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
23687         (estimate_numbers_of_iterations): Likewise.
23688         (scev_probably_wraps_p): Likewise.
23689         * tree-ssa-ccp.c: Include "toplev.h".
23690         (evaluate_stmt): Defer fold overflow warnings until we know we are
23691         going to optimize.
23692         (struct fold_stmt_r_data): Add stmt field.
23693         (fold_stmt_r): Defer fold overflow warnings until we know we
23694         optimized.
23695         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
23696         (fold_stmt_inplace): Likewise.
23697         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
23698         (cleanup_control_expr_graph): Defer fold overflow warnings until
23699         we know we are going to optimize.
23700         * tree-cfg.c (fold_cond_expr_cond): Likewise.
23701         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
23702         Likewise.
23703         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
23704         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
23705         * tree-ssa-loop-manip.c (create_iv): Likewise.
23706         * c-typeck.c (build_conditional_expr): Likewise.
23707         (build_binary_op): Likewise.
23708         * tree-vrp.c (vrp_expr_computes_nonzero): Call
23709         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
23710         (extract_range_from_unary_expr): Likewise.
23711         * simplify-rtx.c (simplify_const_relational_operation): Warn when
23712         assuming that signed overflow does not occur.
23713         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
23714         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
23715         (fold_defer_overflow_warnings): Declare.
23716         (fold_undefer_overflow_warnings): Declare.
23717         (fold_undefer_and_ignore_overflow_warnings): Declare.
23718         (fold_deferring_overflow_warnings_p): Declare.
23719         (tree_expr_nonzero_warnv_p): Declare.
23720         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
23721         of warning options.
23722         (Warning Options): Document -Wstrict-overflow.
23723         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
23724         (tree-ssa-ccp.o): Likewise.
23725         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
23726         (fold-const.o): Depend on intl.h.
23727
23728 2007-02-13  Ian Lance Taylor  <iant@google.com>
23729
23730         PR middle-end/30751
23731         * lower-subreg.c (resolve_simple_move): Decompose subregs in
23732         addresses.
23733
23734 2007-02-13  Stuart Hastings  <stuart@apple.com>
23735
23736         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
23737
23738 2007-02-13  Richard Henderson  <rth@redhat.com>
23739
23740         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
23741         handled_component_p before looking for the indirect_ref.
23742
23743 2007-02-13  Richard Henderson  <rth@redhat.com>
23744
23745         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
23746         remove flags clobber.
23747         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
23748         (bswaphi_lowpart): New.
23749         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
23750         remove TARGET_BSWAP test.  Delete expander of the same name.
23751
23752         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
23753         (expand_unop): Use them.
23754
23755 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
23756
23757         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
23758         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
23759         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
23760         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
23761         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
23762         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
23763         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
23764         assembler dialect choice from asm templates.
23765
23766 2007-02-12  Richard Henderson  <rth@redhat.com>
23767
23768         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
23769         (fixuns_trunc<SSEMODEF>si2): Use it.
23770         * config/i386/sse.md (vec_setv4sf_0): Export.
23771         * config/i386/i386.c (ix86_build_const_vector): Export.
23772         (ix86_split_convert_uns_si_sse): Rename from
23773         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
23774         * config/i386/i386-protos.h: Update.
23775
23776 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23777
23778         PR c/29521
23779         * c-typeck.c (c_finish_return): Improve warning message.
23780
23781 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23782
23783         * alias.c (find_symbolic_term): Delete unused function.
23784
23785 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
23786
23787         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
23788         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
23789         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
23790
23791 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23792
23793         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
23794         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
23795         the function, temporarily point the debug interface to the null one.
23796
23797 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
23798
23799         * dwarf2out.c (round_up_to_align): New static function.
23800         (field_byte_offset): Use it to round the offset.
23801
23802 2007-02-12  Richard Henderson  <rth@redhat.com>
23803
23804         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
23805         (inswl_const): Export.
23806
23807 2007-02-12  Richard Henderson  <rth@redhat.com>
23808
23809         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
23810         result mode of the libcall, convert back to outmode.
23811
23812 2007-02-12  Roger Sayle  <roger@eyesopen.com>
23813
23814         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
23815         (bswapdi2): New define_expand to implement 32-bit implementation.
23816
23817 2007-02-12  Nick Clifton  <nickc@redhat.com>
23818
23819         * doc/invoke.texi (Overall Options): Document --help=.
23820         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
23821         (cc1_options): Pass --help= on to cc1.
23822         (display_help): Add description of --help=.
23823         (process_command): Add code to handle --help=.  Allow translated
23824         --help and --target-help switches to be passed on to compiler
23825         sub-process.
23826         (main): Remove unused if statement.
23827         * opts.c (columns): Remove.
23828         (LEFT_COLUMN): Define.
23829         (wrap_help): Add columns argument.
23830         (print_filtered_help): Change parameters to be an include bitmask,
23831         an exclude bitmask, an any bitmask and the column width.  Move the
23832         code to display the params list here.  Add code to display the
23833         status of options rather than their descriptions if the quiet flag
23834         is not active.
23835         (print_specific_help): Change parameters to be an include bitmask,
23836         an exclude bitmask and an any bitmask.  Move code to look up the
23837         column width here.  Decide upon the title for an options listing.
23838         (common_handle_options): Add code to handle --help=.  Adapt code
23839         for --help and --target-help to use the revised form of the
23840         print_specific_help function.
23841         (print_help): Delete.
23842         (print_param_help): Delete.
23843         (print_switch): Delete.
23844         * opts.h (cl_lang_count): Add prototype.
23845         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
23846         CL_MAX_OPTION_CLASS): New defines.
23847         * optc-gen.awk: Add construction of cl_lang_count.
23848         * c.opt: Add Warning attribute to warning options and Optimization
23849         attribute to optimization options.
23850         * common.opt: Likewise.
23851         Add --help=.
23852         Add -fhelp and -ftarget-help as aliases for the transformed --help
23853         and --target-help options.
23854         * opt-functions.awk: Add code to handle Warning and Optimization
23855         attributes.
23856
23857 2007-02-12  Richard Henderson  <rth@redhat.com>
23858
23859         * config/alpha/constraints.md: New file.
23860         * config/alpha/alpha.c: Include tm-constrs.h.
23861         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
23862         alpha_extra_constraint): Remove.
23863         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
23864         * config/alpha/alpha-protos.h: Update.
23865         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
23866         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
23867         (EXTRA_CONSTRAINT): Remove.
23868         * config/alpha/alpha.md: Include constraints.md.
23869         (adddi splitter): Use satisfies_constraint_*.
23870         * config/alpha/predicates.md (add_operand): Likewise.
23871         (sext_add_operand, addition_operation): Likewise.
23872
23873 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
23874
23875         PR tree-optimization/29145
23876         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
23877         in our handling of restrict qualified pointers.
23878
23879 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23880
23881         PR middle-end/7651
23882         * doc/invoke.texi (Wunused-value): Update description.
23883         (Wextra): Delete item.
23884         * opts.c (set_Wextra): Don't use the value of Wextra to set the
23885         value of Wunused-value.
23886         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
23887         (c_finish_stmt_expr): Don't check extra_warnings.
23888         (emit_side_effect_warnings): The caller is responsible to check
23889         warn_unused_value.
23890
23891 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23892             Matt Thomas  <matt@3am-software.com>
23893
23894         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
23895
23896 2007-02-11  Roger Sayle  <roger@eyesopen.com>
23897
23898         * simplify-rtx.c (simplify_relational_operation_1): Optimize
23899         comparisons of POPCOUNT against zero.
23900         (simplify_const_relational_operation): Likewise.
23901
23902 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23903
23904         * doc/invoke.texi (Wextra): Delete outdated paragraph.
23905
23906 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23907
23908         * dwarf2out.c (root_type): Delete unused function.
23909
23910 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23911
23912         * genattrtab.c (contained_in_p): Delete unused function.
23913         (write_expr_attr_cache): Likewise.
23914
23915 2007-02-11  Jan Hubicka  <jh@suse.cz>
23916
23917         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
23918         previous patch.
23919
23920 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
23921
23922         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
23923         to add the REG_EQ* note.
23924         * see.c (see_merge_one_use_extension): Likewise.
23925         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
23926         turn REG_EQUAL notes into REG_EQUIV notes if the target
23927         register may have more than one set.
23928         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
23929         * gcse.c (try_replace_reg): Likewise.
23930         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
23931         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
23932         more than one REG_EQUIV note.
23933         * reload1.c (gen_reload): Use set_unique_reg_note.
23934
23935 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
23936
23937         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
23938         (ix86_builtin_conversion): New function.
23939
23940 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
23941
23942         PR target/29487
23943         * tree.h (DECL_REPLACEABLE_P): New macro.
23944         * except.c (set_nothrow_function_flags): Likewise.
23945
23946 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
23947             Ira Rosen  <irar@il.ibm.com>
23948             Dorit Nuzman  <dorit@il.ibm.com>
23949
23950         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
23951         * targhooks.c (default_builtin_vectorized_conversion): New.
23952         * targhooks.h (default_builtin_vectorized_function): New declaration.
23953         * target.h (struct vectorize): Add builtin_conversion field.
23954         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
23955         stmt_vec_info_type value.
23956         (vectorizable_conversion): New declaration.
23957         * tree-vect-analyze.c (vect_analyze_operations): Add
23958         vectorizable_conversion call.
23959         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
23960         * tree-vect-transform.c (vectorizable_conversion): New function.
23961         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
23962         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
23963         mode.
23964         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
23965         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
23966         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
23967         or ALTIVEC_BUILTIN_VCFSX.
23968
23969 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23970
23971         PR target/30634
23972         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
23973         CONST_DOUBLE and operand 0 is a hard register.
23974         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
23975         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
23976         is a hard floating-point register.
23977
23978 2007-02-10  Richard Henderson  <rth@redhat.com>
23979             Jakub Jelinek  <jakub@redhat.com>
23980             Alexandre Oliva  <aoliva@redhat.com>
23981
23982         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
23983         * builtin-types.def (BT_WORD): Make unsigned.
23984         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
23985         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
23986         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
23987         * c-decl.c (grokdeclarator): Don't error if !have_tls.
23988         * c-parser.c (c_parser_omp_threadprivate): Likewise.
23989         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
23990         emulated tls.
23991         * expr.c (emutls_var_address): New.
23992         (expand_expr_real_1): Expand emulated tls.
23993         (expand_expr_addr_expr_1): Likewise.
23994         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
23995         * output.h (emutls_finish): Declare.
23996         * toplev.c (compile_file): Call it.
23997         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
23998         address before wrapping in CONST.
23999         * varasm.c (emutls_htab, emutls_object_type): New.
24000         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24001         (get_emutls_object_name, get_emutls_object_type): New.
24002         (get_emutls_init_templ_addr, emutls_decl): New.
24003         (emutls_common_1, emutls_finish): New.
24004         (assemble_variable): When emulating tls, swap decls; generate
24005         constructor for the emutls objects.
24006         (do_assemble_alias): When emulating tls, swap decl and target name.
24007         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24008         for emulated tls.
24009         * varpool.c (decide_is_variable_needed): Look at force_output.
24010         Recurse for emulated tls.
24011         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24012         with decide_is_variable_needed.
24013         * emutls.c: New file.
24014         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24015         tls_object for real tls.
24016
24017 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24018
24019         PR rtl-optimization/29599
24020         * reload1.c (eliminate_regs_in_insn): Take the destination
24021         mode into account when computing the offset.
24022
24023 2007-02-09  Stuart Hastings  <stuart@apple.com>
24024             Richard Henderson  <rth@redhat.com>
24025
24026         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24027         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24028         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24029         fixuns_truncdfhi2): New.
24030         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24031         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24032         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24033         (floatunssidf2): Allow nonimmediate source.
24034         * config/i386/sse.md (movdi_to_sse): New.
24035         (vec_concatv2di): Drop '*'.
24036         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24037         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24038         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24039         New.
24040         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24041         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24042         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24043         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24044         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24045         ix86_build_const_vector.
24046         (x86_emit_floatuns): Rewrite.
24047
24048 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24049
24050         * genautomata.c (longest_path_length): Delete unused function.
24051         (struct state): Delete unused longest_path_length.
24052         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24053         (get_free_state): Delete unused.
24054
24055 2007-02-09  Jan Hubicka  <jh@suse.cz>
24056
24057         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24058         * doc/invoke.texi (inline-unit-growth): Update default value.
24059
24060         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24061         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24062         (rebuild_cgraph_edges): Likewise.
24063         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24064         (dump_cgraph_node): Dump frequencies.
24065         (cgraph_clone_edge): Add frequency scales.
24066         (cgraph_clone_node): Add freuqnecy.
24067         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24068         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24069         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24070         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24071         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24072         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24073         (save_inline_function_body): Likewise.
24074         * ipa-inline.c: inluce rtl.h
24075         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24076         (cgraph_edge_badness): Use frequencies.
24077         (cgraph_decide_recursive_inlining): Update clonning.
24078         (cgraph_decide_inlining_of_small_function): Dump frequency.
24079         * predict.c (estimate_bb_frequencies): Export.
24080         * predict.h (estimate_bb_frequencies): Declare.
24081         * tree-inline.c (copy_bb): Watch overflows.
24082         (expand_call_inline): Update call of cgraph_create_edge.
24083         (optimize_inline_calls): Use TODO flags to update frequnecies.
24084         * passes.h: Include predict.h
24085         (init_optimization_passes): Move profile ahead.
24086         (execute_function_todo): Handle TODO_rebuild_frequencies.
24087
24088 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24089
24090         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24091         the insbl or inswl pattern into a register.
24092
24093 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24094
24095         * config/ia64/ia64.md (bswapdi2): New define_insn.
24096
24097 2007-02-09  Richard Henderson  <rth@redhat.com>
24098
24099         * config/i386/constraints.md (Ym): New constraint.
24100         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24101         (movdi_1_rex64): Split sse and xmm general register moves from
24102         memory move alternatives.  Use conditional register constraints.
24103         (movsf_1, movdf_integer): Likewise.
24104         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24105         (movdf_integer_rex64): New.
24106         (pushsf_rex64): Fix output constraints.
24107         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24108         (sse2_stored): Likewise.
24109         (sse2_storeq_rex64): New.
24110         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24111         amd and not generic.
24112         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24113         for optimize_size.  Remove SF/DFmode hack.
24114
24115 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24116
24117         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24118         (bit_SSE4a): New.
24119
24120 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24121             Richard Sandiford  <richard@codesourcery.com>
24122
24123         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24124         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24125         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24126         m68k/t-mlib to tmake_file.
24127         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24128         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24129         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24130         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24131         variable is not empty, add t-$m68k_arch_family to tmake_file.
24132         Add t-mlibs to tmake_file.
24133         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24134         * config/m68k/t-cf: New file.
24135         * config/m68k/t-m68k: Likewise.
24136         * config/m68k/t-mlibs: Likewise.
24137         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24138         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24139         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24140         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24141         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24142         Delete.
24143         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24144         (INSTALL_LIBGCC): Delete.
24145         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24146         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24147         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24148         (M68K_MLIB_CPU): Define.
24149         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24150         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24151         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24152
24153 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24154             Richard Guenther  <rguenther@suse.de>
24155
24156         PR middle-end/23361
24157         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24158         against INT_MIN/INT_MAX.
24159         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24160         file if a loop is removed.
24161
24162 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24163
24164         * calls.c (store_one_arg): Pass correct alignment to
24165         emit_push_insn for non-BLKmode values.
24166         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24167         unaligned stack slot via a suitably aligned slot.
24168
24169 2007-02-08  DJ Delorie  <dj@redhat.com>
24170
24171         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24172         warnings.
24173         (legal_subregs): Use unsigned char, make const.
24174         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24175
24176 2007-02-08  Paul Brook  <paul@codesourcery.com>
24177
24178         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24179         special interworking needed.
24180
24181 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24182
24183         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24184         conditional to __SSE2__.
24185         (Entries below should have been added to first ChangeLog
24186         entry for amdfam10 dated 2007-02-05)
24187         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24188         defined.
24189         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24190         defined.
24191         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24192         defined.
24193
24194 2007-02-08  DJ Delorie  <dj@redhat.com>
24195
24196         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24197         * config/m32c/m32c.c (legal_subregs): New.
24198         (m32c_illegal_subreg_p): New.
24199         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24200         unsupported subregs of hard regs.
24201
24202 2007-02-08  Jan Hubicka  <jh@suse.cz>
24203
24204         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24205         the same one; always update histograms.
24206
24207 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24208
24209         * passes.c (init_optimization_passes): Tidy comment.
24210
24211 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24212
24213         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24214         strip zero_extend, bswap and rotates from POCOUNT's argument.
24215         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24216         zero_extend and rotates from PARITY's argument.
24217         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24218         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24219         of an integer constant at compile-time.
24220
24221 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24222
24223         PR 30562
24224         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24225         Update all users.
24226         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24227         users.
24228         (init_alias_info):
24229         * tree-ssa-live.c (remove_unused_locals): Do not remove
24230         TREE_ADDRESSABLE variables.
24231         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24232         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24233         FOR_CLOBBER.  Update all users.
24234         If VAR has an associated alias set, add a virtual operand for
24235         it if no alias is found to conflict with the memory reference.
24236
24237 2007-02-07  Jan Hubicka  <jh@suse.cz>
24238             Robert Kidd <rkidd@crhc.uiuc.edu>
24239
24240         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24241
24242 2007-02-07  Ian Lance Taylor  <iant@google.com>
24243
24244         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24245
24246 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24247
24248         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24249         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24250         tablejumpdi, movsi_to_cr_one): Remove constraints from
24251         define_expand's match_operands.
24252
24253 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24254
24255         * global.c (compute_regsets): Move declatation of "i" inside of
24256         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24257
24258 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24259
24260         PR c++/30703
24261         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24262         of INDIRECT_REF <RESULT_DECL>.
24263
24264         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24265
24266 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24267             Kaz Kojima  <kkojima@gcc.gnu.org>
24268
24269         PR target/29746
24270         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24271         properly.
24272         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24273
24274 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24275
24276         * doc/loop.texi: Document possibility not to perform disambiguation
24277         of loops with multiple latches.
24278         * cfgloopmanip.c (alp_enum_p): Removed.
24279         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24280         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24281         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24282         the new forwarder block.
24283         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24284         Handle the case latch is NULL.
24285         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24286         modifications when marking loop exits.
24287         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24288         be modified.
24289         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24290         disambiguate_loops_with_multiple_latches.
24291         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24292         before fix_loop_structure.
24293         * cfgloop.c: Include pointer-set.h and output.h.
24294         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24295         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24296         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24297         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24298         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24299         disambiguate_multiple_latches, get_loop_body_with_size,
24300         disambiguate_loops_with_multiple_latches): New functions.
24301         (flow_loop_dump): Dump multiple latch edges.
24302         (flow_loop_nodes_find): Handle loops with multiple latches.
24303         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24304         (glb_enum_p): Modified.
24305         (get_loop_body): Use get_loop_body_with_size.
24306         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24307         (AVOID_CFG_MODIFICATIONS): New constant.
24308         (disambiguate_loops_with_multiple_latches, add_loop,
24309         get_loop_body_with_size): Declare.
24310         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24311
24312 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24313
24314         PR inline-asm/28686
24315         * global.c (compute_regsets): New function.
24316         (global_alloc): Refactored ELIMINABLE_REGSET
24317         and NO_GLOBAL_ALLOC_REGS computation out.
24318         (rest_of_handle_global_alloc): Call compute_regsets()
24319         for non-optimizing case.
24320
24321 2007-02-06  Richard Henderson  <rth@redhat.com>
24322
24323         * config/i386/constraints.md (Y2): Rename from Y.
24324         (Yi): New constraint.
24325         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24326         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24327         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24328         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24329         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24330         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24331         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24332         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24333         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24334         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24335         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24336         vec_extractv2si_1): Change Y constraints to Y2.
24337         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24338         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24339         Change Y constraints to Y2.
24340         (sse2_loadld): Change Y constraints to x.
24341
24342 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24343
24344         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24345         (parity<mode>2): New define_expand using rs6000_emit_parity.
24346         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24347         rs6000_emit_parity): New functions.
24348         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24349         rs6000_emit_parity): Prototype here.
24350
24351 2007-02-06  Ian Lance Taylor  <iant@google.com>
24352
24353         * lower-subreg.c (simple_move_operand): Reject CONST.
24354         (resolve_clobber): Call validate_change rather than directly
24355         assigning to XEXP (pat, 0).
24356
24357 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24358
24359         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24360         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24361         (tree-cfg.o): Remove hashtab.h dependency.
24362
24363         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24364         (struct ivopts_data): Change niters to pointer_map_t.
24365         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24366         (niter_for_exit): Create pointer_map on demand.  Change for
24367         pointer_map API.
24368         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24369         (free_loop_data): Destroy data->niters if created and reset field.
24370         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24371         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24372
24373         * tree-ssa-reassoc.c: Include pointer-set.h.
24374         (bb_rank): Change to long *.
24375         (operand_rank): Change to pointer_map_t.
24376         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24377         (insert_operand_rank): Accept long.
24378         (operand_entry_hash, operand_entry_eq): Remove.
24379         (get_rank): Return long.  Adjust for changes above.
24380         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24381         and operand_rank.
24382         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24383
24384         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24385         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24386         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24387         is not NULL.
24388         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24389         directly since it cannot be NULL.
24390         (get_vi_for_tree): Rewrite for pointer_map API.
24391         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24392         (init_alias_vars): Create vi_for_tree as pointer_map.
24393         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24394
24395         * tree-cfg.c: Don't include hashtab.h.
24396         (edge_to_cases): Declare as pointer_map.
24397         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24398         Delete.
24399         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24400         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24401         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24402         destroying it.
24403         (record_switch_edge): Delete.
24404         (get_cases_for_edge): Adjust for pointer_map API, inline
24405         record_switch_edge (rewritten for new API), remove goto.
24406
24407 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24408
24409         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24410         * tree-nested.c: Include pointer-set.h.
24411         (var_map_elt, var_map_eq, var_map_hash): Delete.
24412         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24413         to pointer_map_t's.
24414         (nesting_info_bitmap_obstack): New.
24415         (lookup_field_for_decl): Adjust for pointer_map API.
24416         (lookup_tramp_for_decl): Adjust for pointer_map API.
24417         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24418         (get_local_debug_decl): Adjust for pointer_map API.
24419         (convert_nl_goto_reference): Adjust for pointer_map API.
24420         (convert_nl_goto_receiver): Adjust for pointer_map API.
24421         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24422         the new obstack.  Create field_map and var_map as pointer_maps.
24423         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24424         (root): Delete.
24425         (lower_nested_functions): Move root here, no need to NULL it.
24426         Initialize and release the obstack.
24427
24428 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24429
24430         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24431         Remove prototypes and make them non-static.
24432         (struct tree_int_map): Remove.
24433         * tree.h (struct tree_int_map): Move here, turning TO into an
24434         unsigned int.
24435         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24436
24437         * tree.h (TREE_COMPLEXITY): Remove.
24438         (struct tree_exp): Remove complexity field.
24439         * tree.c (build1_stat): Don't set it.
24440
24441 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24442             Victor Kaplansky  <victork@il.ibm.com>
24443
24444         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24445         (vect_is_simple_reduction): Support reduction with induction as
24446         one of the operands.
24447         (vect_is_simple_iv_evolution): Fix formatting.
24448         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24449         formatting.  Don't mark induction phis for vectorization.
24450         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24451         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24452         (vect_get_vec_def_for_operand): Support induction.
24453         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24454         induction case.
24455         (vectorizable_reduction): Support reduction with induction as one of
24456         the operands.
24457         (vectorizable_type_demotion): Use def-type of stmt argument rather
24458         than dummy def-type.
24459
24460         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24461         flag_tree_scev_cprop.
24462         * common.opt (tree-scev-cprop): New flag.
24463
24464         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24465         call to vect_get_new_vect_var.
24466
24467 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24468
24469         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24470         vectype is not NULL.
24471         (vect_pattern_recog_1): Likewise.
24472
24473 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24474
24475         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24476         (fold_negate_expr): Likewise.
24477
24478 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24479
24480         PR debug/30189
24481         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24482         even if cv-qualification is the same.
24483
24484 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24485
24486         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24487         __enable_execute_stack on completion.
24488
24489 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24490
24491         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24492         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24493         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24494         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24495         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24496         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24497         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24498         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24499
24500 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24501
24502         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24503         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24504         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24505         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24506         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24507         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24508         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24509         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24510         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24511         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24512         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24513         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24514         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24515         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24516         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24517         sqrtextenddfxf2_i387): Added amdfam10_decode.
24518
24519         * config/i386/athlon.md (athlon_idirect_amdfam10,
24520         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24521         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24522         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24523         athlon_ivector_store_amdfam10): New define_insn_reservation.
24524         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24525         amdfam10.
24526
24527 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24528
24529         * config/i386/athlon.md (athlon_call_amdfam10,
24530         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24531         define_insn_reservation.
24532         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24533         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24534         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24535
24536 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24537
24538         * config/i386/athlon.md (athlon_sseld_amdfam10,
24539         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24540         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24541
24542 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24543
24544         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24545         define_insn_reservation.
24546         * config/i386/i386.md (sseins): Added sseins to define_attr type
24547         and define_attr unit.
24548         * config/i386/sse.md: Set type attribute to sseins for insertq
24549         and insertqi.
24550
24551 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24552
24553         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24554         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24555         ssecomi_load_amdfam10, ssecomi_amdfam10,
24556         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24557         define_insn_reservation.
24558         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24559
24560 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24561
24562         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24563         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24564         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24565         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24566         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24567         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24568         define_insn_reservation.
24569
24570         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24571         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24572         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24573         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24574         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24575
24576 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24577
24578         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24579         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24580         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24581         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24582         athlon_ssemul_load_k8): Added amdfam10.
24583
24584 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24585
24586         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24587         (x86_sse_unaligned_move_optimal): New variable.
24588
24589         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24590         m_AMDFAM10.
24591         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24592         for unaligned vector SSE double/single precision loads for AMDFAM10.
24593
24594 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24595
24596         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24597         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24598         Define TARGET_CPU_DEFAULT_amdfam10.
24599         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24600         (processor_type): Add PROCESSOR_AMDFAM10.
24601
24602         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24603         processor_type in config/i386/i386.h.
24604         Enable imul peepholes for TARGET_AMDFAM10.
24605
24606         * config.gcc: Add support for --with-cpu option for amdfam10.
24607
24608         * config/i386/i386.c (amdfam10_cost): New variable.
24609         (m_AMDFAM10): New macro.
24610         (m_ATHLON_K8_AMDFAM10): New macro.
24611         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24612         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24613         x86_promote_QImode, x86_integer_DFmode_moves,
24614         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24615         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24616         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24617         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24618         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24619         Enable/disable for amdfam10.
24620         (override_options): Add amdfam10_cost to processor_target_table.
24621         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24622         processor_alias_table.
24623         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24624         (ix86_adjust_cost): Add code for amdfam10.
24625
24626 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24627
24628         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24629         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24630         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24631         * config/i386/i386.h: Add builtin definition for SSE4A.
24632         * config/i386/i386.md: Add support for ABM instructions
24633         (popcnt and lzcnt).
24634         * config/i386/sse.md: Add support for SSE4A instructions
24635         (movntss, movntsd, extrq, insertq).
24636         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24637         Add -march=amdfam10 flag.
24638         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24639         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24640         and amdfam10.
24641         * doc/extend.texi: Add documentation for SSE4A builtins.
24642
24643 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24644
24645         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24646
24647 2007-02-05  Richard Guenther  <rguenther@suse.de>
24648
24649         * tree-vectorizer.h (vectorizable_function): Add argument type
24650         argument, change return type.
24651         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24652         * tree-vect-transform.c (vectorizable_function): Handle extra
24653         argument, return vectorized function decl.
24654         (build_vectorized_function_call): Remove.
24655         (vectorizable_call): Handle calls with result and argument types
24656         differing.  Handle loop vectorization factor correctly.
24657         * targhooks.c (default_builtin_vectorized_function): Adjust for
24658         extra argument.
24659         * targhooks.h (default_builtin_vectorized_function): Likewise.
24660         * target.h (builtin_vectorized_function): Add argument type
24661         argument.
24662         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24663         extra argument, allow vectorizing of lrintf.
24664         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24665         documentation of target hook.
24666
24667 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24668
24669         PR target/30665
24670         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24671         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24672         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24673
24674 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24675
24676         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24677         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24678         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24679         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24680         before canonicalizing sincos to cexpi.
24681         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
24682
24683 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24684
24685         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
24686         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
24687         (alpha_init_builtins): Use alpha_add_builtins to process tables.
24688
24689 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24690
24691         * mips-tfile.c (initialize_init_file): Correct endianness test.
24692
24693 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
24694
24695         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
24696         the 'y' constraint.
24697
24698 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24699
24700         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
24701         saves in a PARALLEL before the register assignments.
24702
24703 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
24704
24705         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
24706         DWARF_FRAME_RETURN_COLUMN to be a general register.
24707         * dwarf2out.c (init_return_column_size): New function, split from...
24708         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
24709         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
24710         to be nongeneral registers.
24711         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
24712         integer registers.
24713         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
24714         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
24715
24716 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24717
24718         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
24719
24720 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
24721
24722         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
24723         (remove_path): Use can_remove_branch_p and remove_branch instead
24724         of loop_delete_branch_edge.
24725         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
24726         (tree_transform_and_unroll_loop): Remove dead branches immediately.
24727         Update profile using scale_dominated_blocks_in_loop.
24728         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
24729         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
24730         (can_remove_branch_p, remove_branch): Declare.
24731         * tree-cfg.c (tree_can_remove_branch_p): New function.
24732         (tree_cfg_hooks): Add tree_can_remove_branch_p.
24733         * cfgrtl.c (rtl_can_remove_branch_p): New function.
24734         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
24735
24736 2007-02-05  Jan Hubicka  <jh@suse.cz>
24737
24738         PR middle-end/30696
24739         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
24740         nodes in cgraph, don't remove offline copy of the function.
24741
24742 2007-02-04  Jan Hubicka  <jh@suse.cz>
24743
24744         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
24745         vectors might cause maybe_lookup_element_for_expr to be called
24746         on non-sra-candidate.
24747
24748 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24749
24750         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
24751         config/bfin/bfin.md, config/bfin/predicates.md: Follow
24752         spelling conventions.
24753
24754 2007-02-04  Richard Guenther  <rguenther@suse.de>
24755
24756         PR middle-end/30636
24757         * fold-const.c (try_move_mult_to_index): Make sure to not
24758         overflow one dimension of a multi-dimensional array access.
24759
24760 2007-02-04  Jan Hubicka  <jh@suse.cz>
24761
24762         * passes.c (init_optimization_passes): Reindent.
24763
24764 2007-02-04  Jan Hubicka  <jh@suse.cz>
24765             Eric Botcazou  <ebotcazou@adacore.com>
24766
24767         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
24768         (execute_fixup_cfg): Break out the abnormal goto code.
24769         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
24770         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
24771         (optimize_inline_calls): Call make_nonlocal_label_edges.
24772
24773 2007-02-04  Jan Hubicka  <jh@suse.cz>
24774
24775         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
24776         true when something was changed.
24777         (rename_ssa_copies): When something was changed, do
24778         TODO_remove_unused_locals.
24779         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
24780         add TODO_remove_unused_locals when instruction was removed.
24781
24782 2007-02-04  Jan Hubicka  <jh@suse.cz>
24783
24784         * ipa-inline.c (try_inline): Improve debug output; work on already
24785         inline edges too.
24786         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
24787         call try_inline for already inlined edges too when flattening;
24788         inline also functions that make callee growth but overall unit size
24789         reduce.
24790
24791 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24792
24793         * config/m32c/bitops.md, config/m32c/jump.md,
24794         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
24795         config/m32r/m32r.h, config/m32r/m32r.md,
24796         config/m32r/predicates.md, config/m68hc11/larith.asm,
24797         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
24798         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
24799         config/mips/mips-protos.h, config/mips/mips.c,
24800         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
24801         config/mn10300/mn10300.h, config/mn10300/predicates.md,
24802         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
24803         spelling conventions.
24804
24805         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
24806         Follow spelling conventions.
24807
24808 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
24809
24810         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
24811         warn about C++0x compatibility.
24812
24813 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
24814
24815         * config/h8300/h8300.c, config/h8300/h8300.h,
24816         config/h8300/h8300.md: Follow spelling conventions.
24817
24818 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
24819
24820         PR middle-end/30667
24821         * combine.c (try_combine): Do not substitute source operand
24822         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
24823
24824 2007-02-03  Jan Hubicka  <jh@suse.cz>
24825
24826         PR gcov-profile/30650
24827         * value-prof.c (stringop_block_profile): Fix handling of size counter;
24828         do not divide by zero for never executed counters.
24829         (tree_find_values_to_profile): Fix counters.
24830         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
24831
24832 2007-02-03  Ian Lance Taylor  <iant@google.com>
24833
24834         * lower-subreg.c (simple_move_operand): New static function,
24835         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
24836         operands.
24837         (simple_move): Call simple_move_operand.
24838         (find_decomposable_subregs): Add special handling of MEMs.
24839         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
24840         meaning of return value.  If we see a hard register, test whether
24841         it can store a word_mode value.  Change all callers.
24842
24843 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24844
24845         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
24846         ftrapv insns and expanders.
24847         (subdi3): Change define_expand operand 1 to arith11_operand, and
24848         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
24849         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
24850         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
24851         respectively.
24852
24853         PR middle-end/30174
24854         * varasm.c (notice_global_symbol): Treat global objects as weak when
24855         flag_shlib is true.
24856
24857 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24858
24859         * emit-rtl.c (dconstpi): Delete.
24860         (dconstsqrt2): New.
24861         (init_emit_once): Delete dconstpi and init dconstsqrt2.
24862         * real.h (dconstpi): Delete.
24863         (dconstsqrt2): New.
24864         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
24865         (fold_builtin_hypot): Likewise.
24866
24867 2007-02-03  Tom Tromey  <tromey@redhat.com>
24868
24869         PR driver/30246
24870         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
24871         -gcoff3, -gxcoff3, -gvms3 implies -dD.
24872
24873 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
24874
24875         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
24876         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
24877         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
24878         config/rs6000/cell.md, config/rs6000/darwin.h,
24879         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
24880         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
24881         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
24882         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
24883         typos.  Follow spelling conventions.
24884         * doc/invoke.texi: Follow spelling conventions.
24885
24886 2007-02-03  Roger Sayle  <roger@eyesopen.com>
24887
24888         * simplify-rtx.c (simplify_relational_operation_1): Implement some
24889         canonicalization transformations that attempt to simplify integer
24890         constant comparisons to become comparisons against zero.
24891
24892 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24893
24894         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
24895         fabs(x)*sqrt(2).
24896         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
24897         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
24898
24899 2007-02-02  Mike Stump  <mrs@apple.com>
24900
24901         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
24902         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
24903         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
24904         generate a branch island.
24905
24906 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
24907
24908         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
24909         (xtensa_legitimate_address_p): New.
24910         (xtensa_legitimize_address): New.
24911         (xtensa_output_addr_const_extra): New.
24912         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
24913         (BASE_REG_P): New.
24914         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
24915         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
24916         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
24917         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
24918         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
24919         (xtensa_legitimize_address): New.
24920         (xtensa_output_addr_const_extra): New.
24921
24922 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
24923
24924         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
24925
24926 2007-02-02  Ian Lance Taylor  <iant@google.com>
24927
24928         * expmed.c (expand_divmod): Add comment.
24929
24930 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
24931
24932         * emit-rtl.c (renumber_insns): Remove.
24933         * flags.h: Remove the extern for flag_renumber_insns.
24934         * rtl.h: Remove the prototype for renumber_insns.
24935         * toplev.c (flag_renumber_insns): Remove.
24936
24937 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
24938
24939         Revert for x86 darwin:
24940         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
24941
24942         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
24943         code before the following patch under TARGET_MACHO.
24944         (ix86_function_value_regno_p): Likewise.
24945
24946 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24947
24948         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
24949         COMPLEX_EXPR.
24950
24951 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24952
24953         PR target/29682
24954         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
24955         loads to general or fp registers.  Add comments.
24956         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
24957
24958 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
24959
24960         * pointer-set.c (insert_aux): Only return insertion slot.
24961         (pointer_set_insert): Adjust.
24962         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
24963         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
24964         pointer_map_traverse): New.
24965         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
24966         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
24967         pointer_map_contains, pointer_map_traverse): Declare.
24968
24969 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
24970
24971         PR middle-end/30473
24972         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
24973         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
24974
24975 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
24976
24977         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
24978
24979         (struct _dep): New type.
24980         (dep_t): New typedef.
24981         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
24982         (DEP_STATUS): New access macro.  The macro with the same name was
24983         renamed to DEP_LINK_STATUS.
24984         (dep_init): Declare function
24985
24986         (struct _dep_link): New type.
24987         (dep_link_t): New typedef.
24988         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
24989         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
24990         (DEP_LINK_STATUS): New macro.
24991         (debug_dep_links): New debug function.
24992
24993         (struct _deps_list): New type.
24994         (deps_list_t): New typedef.
24995         (DEPS_LIST_FIRST): New access macro.
24996         (FOR_EACH_DEP_LINK): New cycle macro.
24997         (create_deps_list, free_deps_list, delete_deps_list): Declare
24998         functions.
24999         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25000         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25001         (copy_deps_list_change_con): Ditto.
25002
25003         (move_dep_link): Declare function.
25004
25005         (struct _dep_node): New type.
25006         (dep_node_t): New typedef.
25007         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25008
25009         (struct haifa_insn_data.back_deps): New field to hold backward
25010         dependencies of the insn.
25011         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25012         to deps_list_t.
25013         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25014         Change its type to deps_list_t.
25015         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25016         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25017         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25018
25019         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25020
25021         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25022
25023         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25024         and all callers.
25025         (dep_cost): Declare.
25026
25027         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25028         (ds_to_dk, dk_to_ds): New functions.
25029
25030         (init_dep_1): New static function.
25031         (init_dep): New function.
25032         (copy_dep): New static function.
25033
25034         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25035         functions.
25036         (detach_dep_link): New static function.
25037         (move_dep_link): New function.
25038
25039         (dep_links_consistent_p, dump_dep_links): New static functions.
25040         (debug_dep_links): New debugging function.
25041
25042         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25043
25044         (alloc_deps_list, init_deps_list): New static functions.
25045         (create_deps_list): New function.
25046         (clear_deps_list): New static function.
25047         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25048         (deps_list_consistent_p, dump_deps_list): New static functions.
25049         (debug_deps_list): New function.
25050         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25051         functions.
25052         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25053
25054         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25055         use new scheduler dependencies lists.
25056         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25057         (sched_analyze): Ditto.  Initialize dependencies lists.
25058         (add_forw_dep, compute_forward_dependences): Update to use new
25059         scheduler dependencies lists.
25060
25061         (init_dependency_caches): Init deps_obstack.
25062         (free_dependency_caches): Free deps_obstack.
25063
25064         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25065         new scheduler dependencies lists.
25066         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25067         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25068
25069         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25070         Update to use new scheduler dependencies lists.
25071         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25072         (debug_dependencies): Ditto.
25073         (schedule_region): Update comments.
25074
25075         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25076         scheduler dependencies lists.
25077         (schedule_ebb): Update comments.
25078
25079         * rtl.def (DEPS_LIST): Remove.
25080
25081         * lists.c (unused_deps_list): Remove.
25082         (free_list): Update assertions.
25083
25084         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25085         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25086
25087         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25088         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25089
25090         * haifa-sched.c (comments): Update.
25091         (insn_cost1): Remove.  Inline the code into insn_cost ().
25092         (insn_cost): Update to use new scheduler dependencies lists.  Move
25093         processing of the dependency cost to dep_cost ().
25094         (dep_cost): New function.  Use it instead of insn_cost () when
25095         evaluating cost of the dependency.  Use compatible interface to
25096         interact with the target.
25097         (priority): Update to use new scheduler dependencies lists.
25098         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25099         with greater number of insns that depend on the insn.
25100         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25101         code to free backward dependencies lists.  Inline and optimize code
25102         from resolve_dep () - see PR28071.
25103         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25104         lists.  Update call to targetm.sched.is_costly_dependence hook.
25105
25106         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25107         scheduler dependencies lists.
25108
25109         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25110         (init_h_i_d): Initialize dependencies lists.
25111
25112         (process_insn_depend_be_in_spec): Rename to
25113         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25114         dependencies lists.
25115         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25116         Update to use new scheduler dependencies lists.
25117         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25118
25119         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25120         new scheduler dependencies lists.
25121         (build_intra_loop_deps): Ditto.
25122
25123         * target.h (struct _dep): Declare to use in
25124         gcc_target.sched.is_costly_dependence.
25125         (struct gcc_target.sched.adjust_cost): Fix typo.
25126         (struct gcc_target.sched.is_costly_dependence): Change signature to
25127         use single dep_t parameter instead of an equivalent triad.
25128         (struct gcc_target.sched.adjust_cost_2): Remove.
25129
25130         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25131
25132         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25133
25134         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25135         documentation.
25136         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25137
25138         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25139         (REG_DEP_TRUE): Document.
25140
25141         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25142         Change signature to correspond to the targetm.sched.adjust_cost hook.
25143         Update use in TARGET_SCHED_ADJUST_COST_2.
25144         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25145         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25146         new scheduler dependencies lists.
25147         (ia64_gen_check): Ditto.
25148
25149         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25150         scheduler dependencies lists.
25151
25152         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25153         signature to correspond to the targetm.sched.is_costly_dependence hook.
25154         (is_costly_group): Update to use new scheduler dependencies lists.
25155
25156         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25157         instead of INSN_COST () macro.
25158
25159 2007-02-01  Ian Lance Taylor  <iant@google.com>
25160
25161         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25162
25163 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25164
25165         * pa.md (tp_load): Correct mfctl instruction syntax.
25166
25167 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25168
25169         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25170         altivec_padding_size calculation on AIX.  Improve comment, add
25171         assert to verify that it's right.
25172
25173         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25174         64-bit.
25175
25176 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25177
25178         PR inline-asm/28686
25179         * global.c (global_alloc): Add mising initialization of
25180         ELIMINABLE_REGSET.
25181
25182 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25183
25184         * alias.c (init_alias_analysis): Correct whitespace.
25185         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25186         partition_hot_cold_basic_blocks): Likewise.
25187         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25188         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25189         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25190         fold_builtin_snprintf_chk, fold_builtin_printf,
25191         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25192         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25193         * cfgcleanup.c (cleanup_cfg): Likewise.
25194         * cfgexpand.c (tree_expand_cfg): Likewise.
25195         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25196         * function.c (get_next_funcdef_no): Likewise.
25197         * gengtype.c (main): Likewise.
25198         * genmodes.c (main): Likewise.
25199         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25200         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25201         * ifcvt.c (noce_emit_move_insn): Likewise.
25202         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25203         Likewise.
25204         * stor-layout.c (get_best_mode): Likewise.
25205         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25206         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25207         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25208         perform_var_substitution, solve_graph): Likewise.
25209         * tree-vrp.c (vrp_finalize): Likewise.
25210
25211 2007-02-01  Ian Lance Taylor  <iant@google.com>
25212
25213         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25214         high part of a paradoxical subreg, return a constant zero.
25215
25216 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25217
25218         * toplev.c (lang_dependent_init): Call init_set_costs.
25219         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25220
25221 2007-02-01  Richard Guenther  <rguenther@suse.de>
25222
25223         PR middle-end/30656
25224         * fold-const.c (fold_negate_expr): Allow negating a
25225         constant if overflow does not change.
25226
25227 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25228
25229         * doc/c-tree.texi (Expression trees): Improve markup.
25230         * doc/tm.texi (Register Classes, Addressing Modes)
25231         (Floating Point): Fix spacing after abbreviations.  Fix some
25232         typos.
25233
25234 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25235
25236         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25237         * doc/contrib.texi: Likewise.
25238         * doc/install.texi: Likewise.
25239
25240 2007-01-31  Richard Henderson  <rth@redhat.com>
25241             Ian Lance Taylor  <iant@google.com>
25242
25243         * lower-subreg.c: New file.
25244         * rtl.def (CONCATN): Define.
25245         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25246         pass_lower_subreg2.
25247         * emit-rtl.c (update_reg_offset): New static function, broken out
25248         of gen_rtx_REG_offset.
25249         (gen_rtx_REG_offset): Call update_reg_offset.
25250         (gen_reg_rtx_offset): New function.
25251         * regclass.c: Revert patch of 2006-03-05, restoring
25252         reg_scan_update.
25253         (clear_reg_info_regno): New function.
25254         * dwarf2out.c (concatn_loc_descriptor): New static function.
25255         (loc_descriptor): Handle CONCATN.
25256         * common.opt (fsplit_wide_types): New option.
25257         * opts.c (decode_options): Set flag_split_wide_types when
25258         optimizing.
25259         * timevar.def (TV_LOWER_SUBREG): Define.
25260         * rtl.h (gen_reg_rtx_offset): Declare.
25261         (reg_scan_update): Declare.
25262         * regs.h (clear_reg_info_regno): Declare.
25263         * tree-pass.h (pass_lower_subreg): Declare.
25264         (pass_lower_subreg2): Declare.
25265         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25266         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25267         -fsplit-wide-types.
25268         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25269         * Makefile.in (OBJS-common): Add lower-subreg.o.
25270         (lower-subreg.o): New target.
25271
25272 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25273
25274         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25275
25276 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25277
25278         PR target/19087
25279         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25280
25281 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25282
25283         PR middle-end/29335
25284         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25285
25286 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25287
25288         * cfgloop.h: Include vec-prim.h.
25289         (enum li_flags): Remove LI_ONLY_OLD.
25290         (loop_iterator): Changed.
25291         (fel_next, fel_init): Iterate over loop tree.
25292         (FOR_EACH_LOOP_BREAK): New macro.
25293         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25294         FOR_EACH_LOOP.
25295         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25296         * modulo-sched.c (sms_schedule): Ditto.
25297         * tree-vectorizer.c (vectorize_loops): Ditto.
25298         * doc/loop.texi: Update information on loop numbering and behavior of
25299         FOR_EACH_LOOP wrto new loops.
25300         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25301         add_to_evolution_1): Test nestedness of loops instead of comparing
25302         their numbers.
25303         * tree-chrec.c (chrec_fold_plus_poly_poly,
25304         chrec_fold_multiply_poly_poly, chrec_evaluate,
25305         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25306         reset_evolution_in_loop): Ditto.
25307         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25308
25309 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25310
25311         * c-common.c (warn_about_parentheses): Separate warning about
25312         un-parenthized sequence of comparison operators from the one
25313         which is supposed to warn about x <= y <= z.
25314
25315 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25316
25317         * optabs.h (enum optab_index): Add new OTI_isinf.
25318         (isinf_optab): Define corresponding macro.
25319         * optabs.c (init_optabs): Initialize isinf_optab.
25320         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25321         patterns.
25322         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25323         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25324         using isinf_optab.
25325         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25326         expand_builtin_interclass_mathfn.
25327         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25328         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25329         (fxam<mode>2_i387): New insn pattern.
25330         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25331         built-in functions as x87 inline asm.
25332
25333 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25334
25335         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25336
25337 2007-01-30  Eric Christopher  <echristo@apple.com>
25338
25339         * config.gcc: Add geode.
25340
25341 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25342
25343         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25344         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25345         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25346         value-prof.c: Fix comment typos.
25347
25348 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25349
25350         PR c++/24745
25351         * doc/invoke.texi (Wpointer-arith): Document warning.
25352
25353 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25354
25355         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25356         the list of discrepancies from the draft TR.
25357
25358 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25359
25360         PR c++/30601
25361         * doc/invoke.texi (-Wreturn-type): Update description to
25362         match new behavior.
25363
25364 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25365
25366         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25367
25368 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25369
25370         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25371         to handle optabs that operate on floating point input argument and
25372         output to integer output.
25373         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25374         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25375         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25376         expand_builtin_interclass_mathfn ().
25377         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25378         (ilogbsi2): Remove.
25379         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25380         ilogbl built-in functions as x87 intrinsics.
25381
25382 2007-01-30  Richard Guenther  <rguenther@suse.de>
25383
25384         PR middle-end/27657
25385         * dwarf2out.c (reference_to_unused): Query varpool if the
25386         variable was output.
25387
25388 2007-01-30  Richard Guenther  <rguenther@suse.de>
25389
25390         PR middle-end/30313
25391         * passes.c (execute_one_pass): Reset in_gimple_form to not
25392         confuse non-unit-at-a-time mode.
25393
25394 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25395             Richard Guenther  <rguenther@suse.de>
25396
25397         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25398         avoid undefined behaviour on overflow.  Use force_fit_type_double
25399         to construct the constant with the specified TREE_OVERFLOW.
25400
25401 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25402
25403         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25404         * config/dfp-bit.h: Ditto.
25405
25406 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25407
25408         * c-decl.c (pop_scope): Replace warnings with call to
25409         warn_for_unused_label.
25410         * c-common.h (warn_for_unused_label): Declare.
25411         * c-common.c (warn_for_unused_label): Define.
25412
25413 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25414
25415         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25416         function.
25417
25418 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25419
25420         * Makefile.in (USER_H): Remove decfloat.h.
25421         * ginclude/decfloat.h: Delete, moving contents to ...
25422         * ginclude/float.h: Add support for decimal floating point,
25423         guarded by __STDC_WANT_DEC_FP__.
25424
25425 2007-01-29  Mike Stump  <mrs@apple.com>
25426
25427         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25428         Analysis and Representation to resolve case insensitive conflict.
25429         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25430
25431 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25432
25433         * tree.h (struct tree_memory_tag): Add aliases member.
25434         (MTAG_ALIASES): New macro.
25435         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25436         (add_may_alias): Remove pointer-set. Update for may_aliases being
25437         a bitmap.
25438         (mark_aliases_call_clobbered): Update for may_aliases being a
25439         bitmap.
25440         (compute_tag_properties): Ditto.
25441         (create_partition_for): Ditto.
25442         (compute_memory_partitions): Ditto.
25443         (dump_may_aliases_for): Ditto.
25444         (is_aliased_with): Ditto.
25445         (add_may_alias_for_new_tag): Ditto.
25446         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25447         (compute_is_aliased): New function.
25448         (compute_may_aliases): Call compute_is_aliased).
25449         (init_alias_info): Initialize alias_bitmap_obstack.
25450         (union_alias_set_into): New function.
25451         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25452         (have_common_aliases_p): Rewrite to take two bitmaps and use
25453         intersection.
25454         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25455         Update for bitmaps.
25456         (finalize_ref_all_pointers): Update for add_may_alias changes.
25457         (new_type_alias): Ditto.
25458         * tree-flow-inline.h (may_aliases): Return a bitmap.
25459         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25460         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25461         may_aliases being a bitmap.
25462         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25463         may_aliases now returns a bitmap.
25464         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25465         being a bitmap.
25466         * tree-ssa-operands.c (add_virtual_operand): Update for
25467         may_aliases being a bitmap.
25468
25469 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25470
25471         PR tree-optimization/30630
25472         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25473         variable as changed.
25474
25475 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25476
25477         PR c++/28266
25478         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25479         expanded only once even if an error occurs.
25480
25481 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25482
25483         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25484         (__gcov_average_profiler): Likewise.
25485         (__gcov_ior_profiler): Likewise.
25486         (__gcov_merge_ior): Likewise.
25487
25488 2007-01-28  Jan Hubicka  <jh@suse.cz>
25489
25490         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25491         * value-prof.c (stringop_block_profile): Likewise.
25492
25493 2007-01-28  Jan Hubicka  <jh@suse.cz>
25494
25495         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25496         Add variant handling histograms; add wrapper.
25497         (clear_storage_via_libcall): Export.
25498         (emit_block_move_hints): Break out from ...; add histograms.
25499         (emit_block_move): ... this one.
25500         (clear_storage_hints): Break out from ...; add histograms.
25501         (clear_storage): ... this one.
25502         (set_storage_via_memset): Handle histogram.
25503         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25504         (clear_storage_hints, clear_storage_via_libcall): Declare.
25505         (set_storage_via_setmem): Update prototype.
25506         * doc/md.texi (movmem, setmem): Document new arguments.
25507
25508         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25509         Add new histograms.
25510         (stringop_block_profile): New global function.
25511         (tree_stringops_values_to_profile): Profile block size and alignment.
25512         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25513         HIST_TYPE_IOR.
25514         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25515         (stringop_block_profile): Declare.
25516         * builtins.c: Include value-prof.h.
25517         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25518         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25519         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25520         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25521         * profile.c (instrument_values): Add new counters.
25522         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25523         calls.
25524         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25525         (tree_init_edge_profiler): Build new profilers.
25526         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25527         (pass_tree_profile): Add dump.
25528         (tree_profile_hooks): Update.
25529         * Makefile.in (LIBGCOV): Add new constants.
25530         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25531         __gcov_ior_profiler): New.
25532         * i386.md (movmem/setmem expanders): Add new optional arguments.
25533
25534 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25535
25536         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25537
25538 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25539
25540         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25541         (tree_unswitch_single_loop): Pass eni_size_weights to
25542         tree_num_loop_insns.
25543         * tree-ssa-loop-manip.c: Include tree-inline.h.
25544         (can_unroll_loop_p): Pass eni_size_weights to
25545         tree_num_loop_insns.
25546         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25547         Pass eni_size_weights to estimate_num_insns.
25548         * tree.h (init_inline_once): Export.
25549         * toplev.c (backend_init): Call init_inline_once.
25550         * cgraphunit.c (cgraph_process_new_functions,
25551         cgraph_analyze_function): Pass eni_inlining_weights to
25552         estimate_num_insns.
25553         * ipa-inline.c (compute_inline_parameters): Ditto.
25554         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25555         to estimate_num_insns.
25556         (try_unroll_loop_completely): Pass eni_size_weights to
25557         tree_num_loop_insns.
25558         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25559         ot estimate_num_insns.
25560         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25561         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25562         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25563         eni_time_weights): New variables.
25564         (init_inline_once): Initialize them.
25565         (struct eni_data): Mew.
25566         (estimate_num_insns_1, estimate_num_insns): Use weights.
25567         * tree-inline.h (struct eni_weights_d): New.
25568         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25569         (estimate_num_insns): Declaration changed.
25570         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25571         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25572         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25573
25574 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25575
25576         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25577         relations in the conflict function is valid.
25578
25579 2007-01-27  Ian Lance Taylor  <iant@google.com>
25580
25581         * common.opt: Add fstrict-overflow.
25582         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25583         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25584         (TYPE_OVERFLOW_UNDEFINED): Define.
25585         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25586         Replace all uses.
25587         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25588         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25589         (fold_negate_expr): Likewise.
25590         (make_range): Likewise.
25591         (extract_muldiv_1): Likewise.
25592         (maybe_canonicalize_comparison): Likewise.
25593         (fold_comparison): Likewise.
25594         (fold_binary): Likewise.
25595         (tree_expr_nonnegative_p): Likewise.
25596         (tree_expr_nonzero_p): Likewise.
25597         * tree-vrp.c (compare_values): Likewise.
25598         (extract_range_from_binary_expr): Likewise.
25599         (extract_range_from_unary_expr): Likewise.
25600         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25601         Likewise.
25602         (nowrap_type_p): Likewise.
25603         * tree-scalar-evolution.c (simple_iv): Likewise.
25604         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25605         (build_range_check): Likewise.
25606         (extract_muldiv_1): Likewise.
25607         (fold_comparison): Likewise.
25608         * tree-vrp.c (vrp_int_const_binop): Likewise.
25609         (extract_range_from_unary_expr): Likewise.
25610         * convert.c (convert_to_integer): Likewise.
25611         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25612         (fold_comparison): Likewise.
25613         (fold_binary): Likewise.
25614         * optabs.c (optab_for_tree_code): Likewise.
25615         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25616         * simplify-rtx.c (simplify_const_relational_operation): Check
25617         flag_strict_overflow and flag_trapv.
25618         (simplify_const_relational_operation): Likewise.
25619         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25620         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25621         -fstrict-overflow.
25622
25623 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25624
25625         * tree.c (tree_fold_gcd): Delete.
25626         * tree.h (tree_fold_gcd): Remove prototype.
25627         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25628         test whether one constant integer is a multiple of another.  Instead
25629         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25630         * fold-const.c (multiple_of_p): We've determined both TOP and
25631         BOTTOM are integer constants so we can call int_const_binop directly
25632         instead of the more generic const_binop.
25633
25634 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25635
25636         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25637         1*X check that the constant hasn't overflowed, to preserve the
25638         TREE_OVERFLOW bit.
25639         (round_up): Provide an efficient implementation when rouding-up an
25640         INTEGER_CST to a power-of-two.
25641
25642 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25643
25644         * doc/sourcebuild.texi: Add comma for clarity.
25645         * doc/extend.texi: Fix some typos.
25646         * doc/passes.texi: Likewise.
25647         * doc/cppinternals.texi: Likewise.
25648         * doc/c-tree.texi: Likewise.
25649         * doc/tree-ssa.texi: Likewise.
25650         * doc/install.texi: Likewise.
25651
25652 2007-01-27  Jan Hubicka  <jh@suse.cz>
25653
25654         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25655         (pass_sra): Do not require alias information.
25656         * passes.c (init_optimization_passes): Add SRA
25657
25658 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25659
25660         * tracer.c (rest_of_handle_tracer): We already cleaned
25661         up the CFG in tracer() so don't do it here again.
25662         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25663         cleanup_cfg here, either.  And don't call renumber_insns.
25664
25665         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25666         and BB_HEAD are in the insn stream here.  Instead make sure
25667         that BB_INSN is valid on all insns.  Also, do check here that
25668         there are no pending branch predictions...
25669         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25670         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25671         here.
25672
25673 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25674
25675         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25676         function to simplify/factorize operand order canonicalization.
25677         (ix86_fixup_binary_operands): Reorganize using the above function.
25678         (ix86_binary_operator_ok): Likewise.
25679
25680 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
25681
25682         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
25683         file scope from optimize_attrs.
25684         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
25685         up search.
25686         (optimize_attrs): Clear insn_code_values after freeing it.
25687
25688 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25689
25690         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
25691         a parts.base assignment.
25692
25693 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
25694
25695         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
25696         (compute_subscript_distance, initialize_data_dependence_relation,
25697         finalize_ddr_dependent, analyze_ziv_subscript,
25698         analyze_siv_subscript_cst_affine,
25699         compute_overlap_steps_for_affine_univar,
25700         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
25701         analyze_siv_subscript, analyze_miv_subscript,
25702         analyze_overlapping_iterations, subscript_dependence_tester_1,
25703         compute_self_dependence, free_dependence_relation): Work
25704         with affine_fn instead of chrecs.
25705         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
25706         common_affine_function, affine_function_base,
25707         affine_function_constant_p, affine_fn_op, affine_fn_plus,
25708         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
25709         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
25710         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
25711         (all_chrecs_equal_p): Removed.
25712         * tree-data-ref.h (affine_fn, conflict_function): New types.
25713         (struct subscript): Change type of conflicting_iterations_in_a
25714         and conflicting_iterations_in_b.
25715
25716 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
25717
25718         PR other/30182
25719         * config/pa/pa.h (TARGET_HPUX_11): New.
25720         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
25721         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
25722
25723 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
25724         Richard Guenther  <rguenther@suse.de>
25725
25726         * tree-ssa-structalias.c (solve_graph): Handle case
25727         we merged the variable to another.
25728
25729 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25730
25731         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
25732         functions.
25733
25734         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
25735         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
25736
25737 2007-01-25  DJ Delorie  <dj@redhat.com>
25738
25739         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
25740         allow changes to modes which don't fit in those registers.
25741
25742         * reload1.c (choose_reload_regs): Check for invalid subregs before
25743         computing their locations, not after.
25744
25745 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
25746
25747         PR 25127
25748         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
25749         save Altivec registers in an eh_return function.
25750         (compute_vrsave_mask): Likewise.
25751         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
25752         for saving Altivec registers.
25753         (rs6000_emit_prologue): Don't allocate stack twice in
25754         eh_return function.  Correct expected value of altivec_save_offset
25755         when using save_world.  Describe save of R0 to stack when using
25756         save_world.  Describe stack pointer adjustment when using
25757         save_world.  Remove duplicated eh_return parameter register saving.
25758         Update sp_offset variable after save_world.
25759         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
25760         darwin-world.asm.
25761         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
25762         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
25763         implies Altivec.
25764
25765 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25766
25767         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
25768
25769 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
25770
25771         PR other/30182
25772         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
25773         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
25774
25775 2007-01-25  Richard Guenther  <rguenther@suse.de>
25776
25777         * doc/invoke.texi (-Wcoverage-mismatch): Document.
25778         * common.opt (-Wcoverage-mismatch): New warning option.
25779         * coverage.c (get_coverage_counts): Ignore coverage mismatch
25780         if -Wcoverage-mismatch is given.
25781
25782 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
25783
25784         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
25785         (ipcp_driver): Change to static definition.
25786         Add dumping of the ifunctions.
25787         (constant_val_insert): Remove unused parameter. Support for SSA.
25788         (ipcp_propagate_const): Support for SSA.
25789         (ipcp_profile_bb_print): Print only analyzed nodes.
25790         (ipcp_replace_map_create): Remove support for Fortran constant
25791         for now.
25792         * ipa-prop.c (ipa_method_modify_stmt,
25793         ipa_callsite_compute_param): Support for SSA.
25794         * ipa-prop.h (ipcp_driver): Remove declaration.
25795         (IS_VALID_TREE_MAP_INDEX): Add define.
25796
25797 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
25798
25799         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
25800
25801 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25802
25803         PR middle-end/30447
25804         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
25805         constant argument to cabs and do it without checking for
25806         -funsafe-math-optimizations.
25807
25808 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
25809
25810         * c-common.h (RID_FIRST_CXX0X): New.
25811         (RID_LAST_CXX0X): New.
25812         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
25813         by -Wall.
25814         * c.opt (Wc++0x-compat): New.
25815         * doc/invoke.texi (-Wc++0x-compat): Document.
25816
25817 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25818
25819         * builtins.c (fold_builtin_carg): New.
25820         (fold_builtin_1): Use it.
25821
25822 2007-01-24  Jan Hubicka  <jh@suse.cz>
25823
25824         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
25825
25826         * ipa-inline.c (initial_insns, max_insns): Delete.
25827         (compute_max_insns): New function.
25828         (cgraph_decide_inlining_of_small_function): Use it; take minimal
25829         amount of insns as base for code growth.
25830         (cgraph_decide_inlining): Make initial_insns local; do not compute
25831         max_insns.
25832         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
25833         * doc/invoke.texi (inline-unit-growth): Update docs.
25834
25835 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
25836
25837         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
25838         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
25839         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
25840         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
25841         for CPUs that have PTA_CX16 set.
25842
25843         PR middle-end/27416
25844         * gimplify.c (omp_check_private): New function.
25845         (gimplify_scan_omp_clauses): Use it for
25846         firstprivate/lastprivate/reduction.
25847
25848         PR middle-end/30494
25849         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
25850         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
25851
25852         PR middle-end/30421
25853         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
25854         If lower_lastprivate_clauses emits some statements, append them
25855         to dlist rather than body_p and to body_p append an initializer.
25856         (lower_omp_for): Adjust caller.
25857
25858 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
25859
25860         * target.h (globalize_decl_name): New.
25861         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25862         * output.h (default_globalize_decl_name): New.
25863         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
25864         globalize_label.
25865         (globalize_decl): Ditto.
25866         (default_globalize_decl_name): New.
25867         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
25868         (ia64_handle_version_id_attribute): New.
25869         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
25870         (ia64_asm_output_external): Use globalize_decl_name instead
25871         of globalize_label.
25872         * doc/extend.texi (version_id): New pragma.
25873         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
25874
25875 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25876
25877         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
25878         _uleb128_t and _Unwind_SWord with _sleb128_t.
25879         * unwind-dw2.c (extract_cie_info, execute_stack_op,
25880         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
25881         Likewise.
25882         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
25883         * unwind-pe.h (read_uleb128, read_sleb128,
25884         read_encoded_value_with_base): Likewise.
25885         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
25886
25887 2007-01-24  Richard Guenther  <rguenther@suse.de>
25888
25889         * builtins.c (expand_builtin_cexpi): Get the fndecl
25890         for cexp in the correct way.
25891
25892 2007-01-24  Jan Hubicka  <jh@suse.cz>
25893
25894         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
25895         of calls.
25896
25897 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
25898
25899         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
25900         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
25901         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
25902         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
25903         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
25904         __SIZEOF_PTRDIFF_T__.
25905         * doc/cpp.texi: Documentation for the new builtin macros added.
25906
25907 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
25908
25909         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
25910         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
25911         instead of operands[2] to avoid access past the end of array.
25912
25913 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
25914
25915         * reload1.c (emit_reload_insns): Pass the reload register
25916         for a non-spill output reload through forget_old_reloads_1.
25917
25918 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
25919
25920         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
25921         _SOFT_DOUBLE if doubles use software floating-point.
25922         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
25923         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25924         * config/rs6000/darwin-ldouble.c: Also compile functions for
25925         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
25926         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
25927         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
25928         commented-out long double override.
25929         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
25930         * config/rs6000/eabispe.h: Likewise.
25931         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
25932         long double for non-SPE.
25933         (rs6000_handle_option): Likewise.
25934         (invalid_e500_subreg): Disallow more subregs involding DImode,
25935         DFmode, TImode or TFmode.
25936         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
25937         E500 double.
25938         (legitimate_lo_sum_address_p): Also check for TFmode for E500
25939         double.
25940         (rs6000_legitimize_address): Also handle TFmode for E500 double.
25941         (rs6000_legitimize_reload_address): Also handle TFmode for E500
25942         double.
25943         (rs6000_legitimate_address): Also check for TFmode for E500
25944         double.
25945         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
25946         (spe_build_register_parallel): Handle TFmode and TCmode.
25947         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
25948         double.
25949         (function_arg): Handle TFmode and TCmode for E500 double.
25950         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
25951         in general.
25952         (print_operand): Handle TFmode and TImode for %y.
25953         (rs6000_generate_compare): Handle TFmode comparisons for E500
25954         double.
25955         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
25956         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
25957         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
25958         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
25959         TFmode for E500 double.
25960         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
25961         (floatsidf2): Enable for E500 double.
25962         (movtf_softfloat): Use rs6000_nonimmediate_operand.
25963         (extenddftf2): Change to extenddftf2_fprs.
25964         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
25965         depending on TARGET_E500_DOUBLE.
25966         (extendsftf2): Enable for E500 double.
25967         (trunctfdf2): Enable for E500 double.
25968         (trunctfsf2): Change to trunctfsf2_fprs.
25969         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
25970         depending on TARGET_E500_DOUBLE.
25971         (floatsitf2): Enable for E500 double.
25972         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
25973         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
25974         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
25975         (negtf2): Change to negtf2_internal.
25976         (negtf2): New expander.
25977         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
25978         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
25979         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
25980         (movdi_internal32): Use rs6000_nonimmediate_operand.
25981         (unnamed splitter): Likewise.
25982         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
25983         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
25984         (SPE64TF, DITI): New mode macros.
25985         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
25986         modes.
25987         (frob_tf_ti): New.
25988         (frob_<mode>_di_2): New.
25989         (frob_tf_di_8_2): New.
25990         (frob_di_df): Change to frob_di_<mode>; allow more modes.
25991         (frob_ti_tf): New.
25992         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
25993         more modes.
25994         (frob_ti_<mode>_8_2): New.
25995         (frob_ti_tf_2): New.
25996         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
25997         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
25998         TFmode.
25999         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26000         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26001         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26002         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26003         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26004         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26005         tsttflt_gp): New.
26006
26007 2007-01-23  Ian Lance Taylor  <iant@google.com>
26008
26009         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26010         insn-*.o first.
26011         (OBJS-archive): Reformat, alphabetize.
26012         (OBJS): Change out_object_file to OBJS-md.
26013
26014 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26015
26016         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26017         JUMP_P and CALL_P predicates where applicable.
26018         * config/i386/i386.c: Ditto.
26019         * config/i386/i386.md: Ditto.
26020         * config/i386/mmx.md: Ditto.
26021         * config/i386/predicates.md: Ditto.
26022
26023 2007-01-22  Andreas Schwab  <schwab@suse.de>
26024
26025         * config/m68k/m68k.h: Fix comment.
26026
26027 2007-01-22  Jan Hubicka  <jh@suse.cz>
26028
26029         * passes.c (init_optimization_passes): Do not rerun
26030         pass_early_warn_uninitialized.
26031
26032 2007-01-22  Richard Guenther  <rguenther@suse.de>
26033
26034         PR tree-optimization/30038
26035         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26036         function.
26037         (execute_cse_sincos_1): Likewise.
26038         (execute_cse_sincos): Likewise.
26039         (gate_cse_sincos): Likewise.
26040         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26041         the cexpi() canonicalization of sincos().
26042         * tree-pass.h (pass_cse_sincos): Declare.
26043         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26044
26045 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26046
26047         PR rtl-optimization/29329
26048         * combine.c (replaced_rhs_insn): Rename to i2mod.
26049         (replaced_rhs_value): Rename to i2mod_new_rhs.
26050         (i2mod_old_rhs): New global variable.
26051         (combine_instructions): Adjust for above change.  Save a copy of
26052         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26053         note are substituted in the second instruction.
26054         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26055         ditch the note if it pertains to the second eliminated register
26056         and this register is mentioned in i2mod_old_rhs.
26057
26058         Revert:
26059         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26060
26061         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26062         the insn to which the note was originally attached.
26063
26064 2007-01-21  Jan Hubicka  <jh@suse.cz>
26065
26066         * ipa-inline.c (inlining_mode): Comment, move up.
26067         (cgraph_decide_inlining_incrementally): Do not perform inlining
26068         itself; fix handling of flattening of self recursive functions.
26069         (cgraph_find_cycles): Remove.
26070         (cgraph_flatten_node): Remove.
26071         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26072         (try_inline): New function.
26073         (cgraph_early_inlining): Update call of
26074         cgraph_decide_inlining_incrementally.  Apply inlining here.
26075         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26076
26077 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26078
26079         PR bootstrap/30511
26080         * tree-vrp.c (check_array_bounds): do not warn
26081         about ADDR_EXPR's of ARRAY_REF's which are immediately
26082         used in binary expressions.
26083
26084 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26085
26086         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26087         read_write_dep and macros for its access.
26088         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26089         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26090         argument, call vect_check_interleaving for every independent pair of
26091         data-refs. Mark loads that access the same memory location as a store
26092         in the loop.
26093         (vect_check_dependences): Remove.
26094         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26095         call, fix the call to vect_analyze_data_ref_dependence.
26096         (vect_analyze_data_ref_access): For statements that access the same
26097         data-ref, check that they are not stores; for loads, check that there
26098         is no store that access the same location.
26099
26100 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26101             Joseph Myers  <joseph@codesourcery.com>
26102
26103         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26104         (-fdump-rtl-stack): Likewise.
26105         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26106         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26107         (-mpt-fixed): Use @minus{} for minus sign.
26108         (Using Precompiled Headers): Fix under/overfull hbox.
26109
26110 2007-01-20  Jan Hubicka  <jh@suse.cz>
26111
26112         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26113         place within annotation.
26114
26115 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26116
26117         * pa.c (output_move_double): Change array size of xoperands to 4.
26118
26119 2007-01-20  Jan Hubicka  <jh@suse.cz>
26120
26121         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26122         as temporary.
26123
26124 2007-01-19  Ian Lance Taylor  <iant@google.com>
26125
26126         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26127         constant to unsigned HOST_WIDE_INT before negating.
26128
26129 2007-01-19  Ian Lance Taylor  <iant@google.com>
26130
26131         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26132         to unsigned.
26133         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26134         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26135         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26136         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26137         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26138         (realloc_vdef, realloc_vuse): Change second parameter to
26139         unsigned.
26140         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26141         fields to unsigned.
26142         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26143         unsigned. Change x and lim locals to unsigned.
26144         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26145         unsigned.
26146         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26147         (copy_virtual_operands): Change i and n locals to unsigned.
26148
26149 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26150
26151         PR middle-end/29335
26152         * builtins.c (fold_builtin_1): Handle builtin fdim.
26153
26154 2007-01-20  Jan Hubicka  <jh@suse.cz>
26155
26156         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26157         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26158         init_alias_heapvars.
26159         (init_alias_heapvars): Initialize only when not already initialized.
26160         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26161
26162 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26163
26164         * common.opt (fsigned-zeros): New command line option.
26165         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26166         of flag_unsafe_math_optimizations.
26167         * opts.c (set_fast_math_flags): The -ffast-math command line option
26168         implies -fno-signed-zeros.
26169         (fast_math_flags_set_p): Likewise.
26170
26171         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26172         the documentation of -ffast-math appropriately.  Wrap long lines.
26173
26174 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26175
26176         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26177         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26178
26179 2007-01-19  Tomas Bily  <tbily@suse.cz>
26180
26181         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26182         * tree-profile.c:
26183         (tree_init_ic_make_global_vars): New function
26184         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26185         (tree_gen_ic_profiler): New function
26186         (tree_gen_ic_func_profiler): New function
26187         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26188         (tree_profile_hooks): Added hook for indirec/virtual calls
26189         * value-prof.c (tree_find_values_to_profile): New case for
26190         indirect calls
26191         (tree_values_to_profile): Call for determining indirect/virtual
26192         counters
26193         (tree_indirect_call_to_profile): New function
26194         (tree_ic_transform): New function
26195         (tree_ic): New function
26196         (find_func_by_pid): New function
26197         (init_pid_map): New function
26198         (tree_value_profile_transformations): Added check for
26199         indirect/virtual call transformation
26200         * value-prof.h (enum hist_type): New counter type for
26201         indirect/virtual calls
26202         (profile_hooks): Added new hook for profiling indirect/virtual
26203         calls
26204         * profile.c (instrument_values): New case for indirect/virtual
26205         call added
26206         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26207         (GCOV_COUNTER_V_INDIR): New counter type
26208         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26209         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26210         call added
26211         * cgraph.c: Definition of cgraph_max_pid
26212         (cgraph_create_node): Default init of pid attribute
26213         * cgraph.h: Declaration of cgraph_max_pid
26214         (struct cgraph_node): Added pid attribute
26215         * libgcov.c (__gcov_indirect_call_profiler): New function
26216         (__gcov_one_value_profiler_body): New function
26217         (__gcov_one_value_profiler): Body was moved to
26218         __gcov_one_value_profiler_body and calls it
26219
26220 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26221
26222         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26223         * gengtype.c (write_types_data, write_func_for_structure,
26224         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26225         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26226         (walk_type, write_func_for_structure): Generate the mark_hook if
26227         needed.
26228
26229 2007-01-19  Jan Hubicka  <jh@suse.cz>
26230
26231         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26232         'early' argument take inlining mode argument specifying whether to
26233         inline for size/speeed or all functions; add support for flattening;
26234         improve dumpting.
26235         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26236
26237 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26238
26239         PR c++/17947
26240         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26241         the name of the declared identifier.
26242
26243 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26244
26245         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26246         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26247         duplicate evaluation.
26248
26249 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26250
26251         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26252         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26253         to XFMode, use acosxf2 and truncate result to requested mode.
26254         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26255         (asin<mode>2): Similarly, with asin expanders.
26256         (*fscalexf4_i387): Rename from *fscalexf4.
26257         (expNcorexf3): New expander.
26258         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26259         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26260         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26261         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26262         patterns for SSE math.
26263         (exp10<mode>2): Similarly, with exp10 expanders.
26264         (exp2<mode>2): Similarly, with exp2 expanders.
26265         (expm1<mode>2): Similarly, with expm1 expanders.
26266         (ldexp<mode>3): Similarly, with ldexp expanders.
26267         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26268         Use gen_truncxf<mode>2_i387_noop to truncate result.
26269
26270 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26271
26272         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26273         for ColdFire targets.
26274
26275 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26276             Richard Sandiford  <richard@codesourcery.com>
26277
26278         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26279         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26280         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26281         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26282         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26283         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26284
26285 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26286
26287         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26288         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26289         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26290         (*adddi_dilshr32_cf): New pattern.
26291         (adddi3, subdi3): Remove first alternatives.
26292
26293 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26294
26295         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26296         implemented using move.l, do not use its cc result for floating-point
26297         comparisons.
26298
26299 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26300
26301         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26302         from accepting 's' constraints if flag_pic.
26303
26304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26305
26306         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26307         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26308         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26309         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26310
26311 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26312
26313         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26314         ColdFire alternatives.
26315         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26316         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26317         architectures that support ff1 instruction.
26318
26319 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26320             Julian Brown  <julian@codesourcery.com>
26321
26322         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26323         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26324         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26325         Add commentary.
26326
26327 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26328
26329         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26330         and return a bool.
26331         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26332         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26333         HOST_WIDE_INT instead of an rtx.
26334         (m68k_rtx_costs): Update call accordingly.
26335         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26336         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26337         Return a bool.
26338         (output_move_simode_const): Update calls after above changes.
26339         Rework to use automatic variables and predicates like MEM_P.
26340         * config/m68k/m68k.md (pushexthisi_const): Update call to
26341         valid_mov3q_const.
26342
26343 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26344
26345         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26346         in dump_flags test.
26347
26348 2007-01-19  Richard Guenther  <rguenther@suse.de>
26349
26350         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26351         via cexp in case sincos is not available.
26352
26353 2007-01-19  Richard Guenther  <rguenther@suse.de>
26354
26355         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26356         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26357         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26358         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26359         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26360         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26361         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26362         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26363
26364 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26365
26366         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26367         New insn patterns.
26368         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26369         (atan2xf3): Directly generate RTL pattern.
26370         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26371         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26372         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26373         disable patterns for SSE math.
26374         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26375         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26376         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26377         disable patterns for SSE math.
26378
26379 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26380
26381         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26382
26383 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26384
26385         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26386         VIEW_CONVERT_EXPR to the same type as it's operand.
26387
26388 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26389
26390         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26391         configured for long double 128.
26392
26393 2007-01-18  Mike Stump  <mrs@apple.com>
26394
26395         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26396         error.
26397
26398 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26399
26400         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26401         type correct.
26402
26403 2007-01-18  Jan Hubicka  <jh@suse.cz>
26404
26405         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26406         greater than NUM_VOP_FREE_BUCKETS.
26407
26408 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26409
26410         * tree-ssa-structalias.c: Update comments.
26411         (ptabitmap_obstack): Removed.
26412         (pta_obstack): New.
26413         (oldpta_obstack): Ditto.
26414         (stats): Add a few members.
26415         (struct variable_info): Remove node, complex, address_taken, and
26416         indirect_target members. Add oldsolution member.
26417         (new_var_info): Do not initialize removed members.
26418         (constraint_expr_type): Remove INCLUDES.
26419         (constraint_graph): Add size, implicit_preds, rep,
26420         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26421         (FIRST_REF_NODE): New macro.
26422         (LAST_REF_NODE): Ditto.
26423         (FIRST_ADDR_NODE): Ditto.
26424         (find): New function.
26425         (unite): Ditto.
26426         (dump_constraint): Do not handle INCLUDES.
26427         (insert_into_complex): Do not insert duplicate constraints.
26428         (condense_varmap_nodes): Renamed and rewritten into ...
26429         (merge_node_constraints): This. Also fix bug in handling of
26430         offseted copy constraints.
26431         (clear_edges_for_node): No longer need to deal with preds at all,
26432         or removing associated preds/succs.
26433         (merge_graph_nodes): Deal with indirect_cycles.
26434         Don't deal with predecessors.
26435         (add_implicit_graph_edge): New function.
26436         (add_pred_graph_edge): Ditto.
26437         (add_graph_edge): Don't deal with predecessors.
26438         (build_constraint_graph): Removed.
26439         (build_pred_graph): New function.
26440         (build_succ_graph): Ditto.
26441         (struct scc_info): Removed in_component. Added roots, dfs, and
26442         node_mapping. Remove visited_index, unification_queue.
26443         (scc_visit): Deal with union-find we do now.
26444         Deal with cycles with REF nodes.
26445         (collapse_nodes): Renamed and rewritten to ...
26446         (unify_nodes): This.
26447         (process_unification_queue): Removed.
26448         (topo_visit): Cleanup
26449         (do_da_constraint): Use find.
26450         (do_sd_constraint): Ditto.
26451         (do_ds_constraint): Ditto.
26452         (do_complex_constraint): Ditto.
26453         (init_scc_info): Update for removed and added members.
26454         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26455         (find_indirect_cycles): This.
26456         (equivalence_class): New variable.
26457         (label_visit): New function.
26458         (perform_variable_substitution): Rewritten.
26459         (free_var_substitution_info): New function.
26460         (find_equivalent_node): Ditto.
26461         (move_complex_constraints): Ditto.
26462         (eliminate_indirect_cycles): Ditto.
26463         (solve_graph): Only propagate changed bits.
26464         Use indirect cycle elimination.
26465         Use find.
26466         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26467         (tree_id_eq): Renamed to ...
26468         (tree_vi_eq): This. Update for member change
26469         (insert_id_for_tree): Renamed and rewritten to ...
26470         (insert_vi_for_tree): This.
26471         (lookup_id_for_tree): Renamed and rewritten to ...
26472         (lookup_vi_for_tree): This.
26473         (get_id_for_tree): Renamed and rewritten to ...
26474         (get_vi_for_tree): Ditto.
26475         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26476         (process_constraint): Don't handle INCLUDES.
26477         Remove special ADDRESSOF case.
26478         (find_func_aliases): Rewrite to use vi functions instead of id
26479         ones.
26480         (create_function_info_for): Ditto.
26481         (create_variable_info_for): Ditto.
26482         (intra_create_variable_infos): Ditto.
26483         (merge_smts_into): Ditto.
26484         (find_what_p_points_to): Ditto.
26485         (init_base_vars): Ditto.
26486         (init_alias_vars): Ditto.
26487         (remove_preds_and_fake_succs): New function.
26488         (dump_sa_points_to_info): Dump new stats.
26489         (dump_solution_for_var): Use find.
26490         (set_used_smts): Fix formatting.
26491         (compute_points_to_sets): Updated for new functions.
26492         (ipa_pta_execute): Ditto.
26493
26494 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26495             Richard Sandiford  <richard@codesourcery.com>
26496
26497         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26498         parallels.
26499         * calls.c (expand_call): If the return value is a PARALLEL,
26500         extract its first member.
26501         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26502         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26503         use FUNCTION_EXTRA_EPILOGUE.
26504         (m68k_function_value): Return a PARALLEL if the return value
26505         is of a pointer type.
26506         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26507         (FUNCTION_EXTRA_EPILOGUE): Remove.
26508         * config/m68k/m68k.md (D0_REG): New constant.
26509
26510 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26511
26512         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26513         output a NOP for empty epilogues.
26514
26515 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26516
26517         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26518         before function.  Extend register save check to include all
26519         registers, not just integer ones.
26520
26521 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26522
26523         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26524         (m68k_use_return_insn): ...this.
26525         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26526         * config/m68k/m68k.c (use_return_insn): Rename to...
26527         (m68k_use_return_insn): ...this.
26528         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26529         of USE_RETURN_INSN.
26530
26531 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26532
26533         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26534         nearest even, fix denormal rounding overflow.
26535
26536 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26537
26538         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26539         f%$smove and f%$move.
26540         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26541         (extendsfdf2_cf): Use fdmove instead of f%&move.
26542         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26543         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26544
26545 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26546
26547         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26548         GPR<-GPR moves.
26549
26550 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26551
26552         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26553         (coldfire_single_format): Declare.
26554         (coldfire_double_format): Likewise.
26555         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26556         of qnan_msb_set to determine the lower bits of a canonical
26557         NaN significand.
26558         (encode_ieee_double): Likewise.
26559         (encode_ieee_quad): Likewise.
26560         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26561         (mips_single_format): Likewise.
26562         (ieee_double_format): Likewise.
26563         (mips_double_format): Likewise.
26564         (ieee_extended_motorola_format): Likewise.
26565         (ieee_extended_intel_96_format): Likewise.
26566         (ieee_extended_intel_128_format): Likewise.
26567         (ieee_extended_intel_96_round_53_format): Likewise.
26568         (ibm_extended_format): Likewise.
26569         (mips_extended_format): Likewise.
26570         (ieee_quad_format): Likewise.
26571         (mips_quad_format): Likewise.
26572         (vax_f_format): Likewise.
26573         (vax_d_format): Likewise.
26574         (vax_g_format): Likewise.
26575         (i370_single_format): Likewise.
26576         (i370_double_format): Likewise.
26577         (decimal_single_format): Likewise.
26578         (decimal_double_format): Likewise.
26579         (decimal_quad_format): Likewise.
26580         (c4x_single_format): Likewise.
26581         (c4x_extended_format): Likewise.
26582         (real_internal_format): Likewise.
26583         (coldfire_single_format): New real_format.
26584         (coldfire_double_format): Likewise.
26585         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26586         canonical_nan_lsbs_set.
26587         (pdp11_d_format): Likewise.
26588         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26589         if TARGET_COLDFIRE_CPU.
26590
26591 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26592
26593         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26594         (output_call, m68k_legitimize_call_address): Declare.
26595         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26596         parenthesees.  Add support for a 'W' constraint.
26597         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26598         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26599         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26600         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26601         variables.
26602         (override_options): Initialize them.  Do not set flag_no_function_cse
26603         for TARGET_ID_SHARED_LIBRARY.
26604         (m68k_output_pic_call): Delete.
26605         (m68k_legitimize_call_address): New function.
26606         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26607         (output_call): New function.
26608         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26609         target address from the GOT if symbolic jumps are not allowed.
26610         * config/m68k/m68k.md (call, general_operand): Do not set
26611         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26612         Merge separate flag_pic and !flag_pic define_insns into...
26613         (*call, *call_value): ...these new patterns.  Match the address
26614         rather than the containing MEM and require it to be a call_operand.
26615         Use output_call to generate the asm template.
26616         * config/m68k/predicates.md (const_call_operand): New predicate.
26617         (call_operand): Likewise.
26618
26619 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26620
26621         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26622         (STACK_GROWS_DOWNWARD): Define to 1.
26623         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26624         comments, emphasizing that these values are only defaults.
26625         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26626         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26627
26628 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26629
26630         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26631
26632 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26633             Richard Sandiford  <richard@codesourcery.com>
26634
26635         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26636         (FP_REGNO_P): New macros.
26637         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26638         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26639         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26640         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26641
26642 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26643
26644         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26645         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26646         to $tmake_file.
26647         * config/m68k/t-floatlib: New file, extracting common code from...
26648         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26649         * config/m68k/t-uclinux: Here.
26650         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26651         routines on ColdFire targets.
26652
26653 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26654
26655         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26656         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26657         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26658         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26659         explicitly set MOTOROLA to 1.
26660         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26661
26662 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26663             Nathan Sidwell  <nathan@codesourcery.com>
26664
26665         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26666         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26667         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26668         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26669         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26670         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26671         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26672         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26673         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26674         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26675         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26676         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26677         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26678         (DBX_REGISTER_NUMBER): Delete.
26679         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26680         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26681         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
26682
26683 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26684
26685         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
26686         * config/flat.h: New file.
26687         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
26688         OBJECT_FORMAT_FLAT.
26689         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
26690         indirect references for -msep-data or -mid-shared-library.
26691         Do not use PC-relative code addresses either.
26692         * config/m68k/m68k.c (override_options): Restrict -fPIC error
26693         to -mpcrel.
26694         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
26695         for shared libraries and crt1.o for executables.  Use crti.o and
26696         crtbegin.o.
26697         (ENDFILE_SPEC): Use crtend.o and crtn.o.
26698         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
26699         Do not add -elf2flt or -shared-lib-id options here.
26700         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
26701         Pass -shared-lib-id if -mid-shared-library, taking the library
26702         identifier from -mshared-library-id if given, otherwise
26703         defaulting to 0.
26704         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
26705         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
26706         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
26707         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
26708         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
26709         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
26710         and crtend.o.
26711         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
26712         jump sequence for ISA A and ISA A+.
26713         (PICJUMP): Likewise.
26714
26715 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26716
26717         * config.gcc (m68k-*-uclinux*): Base the port on the common
26718         and m68k GNU/Linux files rather than on the generic ELF ones.
26719         * config/m68k/uclinux.h (TARGET_VERSION): Override.
26720         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
26721
26722 2007-01-18  Julian Brown  <julian@codesourcery.com>
26723             Richard Sandiford  <richard@codesourcery.com>
26724
26725         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
26726         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26727         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
26728         before redefining.
26729         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
26730         80 unconditionally.
26731         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
26732
26733 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26734
26735         * doc/install.texi: Document m68k-uclinuxoldabi.
26736         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
26737         * config/m68k/uclinux-oldabi.h: New file, copied from
26738         config/m68k/uclinux.h.
26739
26740 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
26741
26742         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
26743         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
26744         (m32r_compute_frame_size): Use unsigned for regno.
26745         (m32r_reload_lr): Use gen_frame_mem.
26746         (pop): New.
26747         (m32r_output_function_epilogue): Don't output the function epilogue
26748         textually here.
26749         (m32r_expand_epilogue): New.
26750         (direct_return): Return false if the function has the interrupt
26751         attribute.
26752         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
26753         * config/m32r/m32r.md (epilogue): New expander.
26754         (return_lr, return_rte): New insns.
26755         (return): Make it expander.
26756         (return_normal): New expander.
26757
26758 2007-01-18  Josh Conner  <jconner@apple.com>
26759
26760         PR target/30485
26761         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
26762         support for UNLE, UNLT, UNGE, and UNGT.
26763
26764 2007-01-18  Jan Hubicka  <jh@suse.cz>
26765
26766         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
26767         * tree-tailcall (add_virtual_phis): Likewise.
26768         (optimize_tail_call): Return TODOs.
26769         (execute_tail_calls): Return TODOs.
26770         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
26771         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
26772         changed.
26773         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
26774         Cleanup cfg using TODO.
26775         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
26776         * passes.c (execute_function_todo): When cleanup did something, remove
26777         unused locals.
26778         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
26779         (make_edges): Don't cleanup_cfg.
26780
26781 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
26782
26783         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
26784         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
26785         operate on the top of stack.
26786         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
26787         register handling of instructions that output to the second
26788         stack slot.
26789         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
26790         (move_for_stack_reg): Special-case check for dead destination
26791         stack slot for constant load of 1.0 inside UNSPEC_TAN.
26792
26793         * config/i386/i386.md (UNSPEC_TAN): New constant.
26794         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
26795         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
26796         to correctly model move of constant 1.0 to top stack slot.
26797         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
26798         (unnamed peephole2 pattern): Remove corresponding peephole2
26799         pattern that optimizes tan insn and loading of constant 1.0.
26800         (tanxf2): Use fptanxf4_i387.
26801         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
26802         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
26803         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26804         disable patterns for SSE math.
26805         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
26806         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
26807
26808 2007-01-18  Dirk Mueller  <dmueller@suse.de>
26809             Richard Guenther <rguenther@suse.de>
26810
26811         PR diagnostic/8268
26812         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
26813         * common.opt (Warray-bounds): Add new warning option.
26814         * c-opts.c (c_common_handle_option): Define -Warray-bounds
26815         if -Wall is given.
26816         * Makefile.in: make tree-vrp.o depend on toplev.h
26817         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
26818         is enabled.
26819         (check_array_refs, check_array_bounds, check_array_ref): New.
26820
26821 2007-01-18  Jan Hubicka  <jh@suse.cz>
26822
26823         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
26824         (execute_ssa_ccp): Return flags conditionally.
26825         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
26826         changed.
26827         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
26828
26829 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
26830
26831         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
26832         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
26833
26834         * Makefile.c (GTFILES): Add cfglayout.h.
26835         * gengtype.c (open_base_files): Likewise.
26836         * cfglayout.c (cfg_layout_function_footer,
26837         cfg_layout_function_header) Reindent to make gengtype happy.
26838         * cfglayout.h (cfg_layout_function_footer,
26839         cfg_layout_function_header): Add GTY(()) marker.
26840
26841         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
26842
26843 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26844
26845         * genautomata.c (write_automata): Include xstrerror output in the
26846         error message if writing the DFA description file fails.
26847
26848 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
26849
26850         * config/mips/mips-protos.h (mips_output_external): Make it
26851         return void.
26852         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
26853         * config/mips/mips.c (irix_output_external_libcall): Likewise.
26854         (extern_list): Likewise.
26855         (extern_head): Likewise.
26856         (TARGET_ASM_FILE_END): Likewise.
26857         (mips_file_end): Likewise.
26858         (mips_output_external): Rewritten.
26859
26860 2007-01-18  Ben Elliston  <bje@au.ibm.com>
26861
26862         * genpreds.c (write_insn_preds_c): Only write out the function
26863         body for regclass_for_constraint if we have register constraints.
26864
26865 2007-01-17  Tom Tromey  <tromey@redhat.com>
26866
26867         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
26868         * doc/install.texi (Testing): Use sourceware.org.
26869         (Binaries): Likewise.
26870         (Specific): Likewise.
26871         * doc/contrib.texi (Contributors): Use sourceware.org.
26872
26873 2007-01-17  Anatoly Sokolov <aesok@post.ru>
26874
26875         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
26876         (AVR_ENHANCED): Rename to ...
26877         (AVR_HAVE_MUL): ... new.
26878         (avr_enhanced_p): Rename to ...
26879         (avr_have_mul_p): ... new.
26880         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
26881         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
26882         * config/avr/avr.c (avr_enhanced_p): Rename to ...
26883         (avr_have_mul_p): ... new.
26884         (base_arch_s): Rename 'enhanced' to 'have_mul'.
26885         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
26886         'avr_enhanced_p' and 'enhanced'.
26887         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
26888         AVR_HAVE_MUL instead of AVR_ENHANCED.
26889         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26890         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
26891         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
26892         instead of AVR_ENHANCED.
26893         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
26894         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
26895         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
26896
26897 2007-01-17  Ian Lance Taylor  <iant@google.com>
26898
26899         * vec.h (VEC_reserve_exact): Define.
26900         (vec_gc_p_reserve_exact): Declare.
26901         (vec_gc_o_reserve_exact): Declare.
26902         (vec_heap_p_reserve_exact): Declare.
26903         (vec_heap_o_reserve_exact): Declare.
26904         (VEC_OP (T,A,reserve_exact)): New static inline function, three
26905         versions.
26906         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
26907         negative parameter.
26908         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
26909         (VEC_OP (T,A,copy)) [all versions]: Likewise.
26910         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
26911         * vec.c (calculate_allocation): Add exact parameter.  Change all
26912         callers.
26913         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
26914         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
26915         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
26916         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
26917         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
26918         (vec_heap_p_reserve_exact): New function.
26919         (vec_heap_o_reserve_exact): New function.
26920
26921 2007-01-17  Jan Hubicka  <jh@suse.cz>
26922
26923         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
26924
26925 2007-01-17  Eric Christopher  <echristo@apple.com>
26926
26927         * config.gcc: Support core2 processor.
26928
26929 2007-01-16  Jan Hubicka  <jh@suse.cz>
26930
26931         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
26932         the names, just unlink the chain so we don't crash on dangling
26933         pointers
26934         to dead SSA names.
26935
26936 2007-01-16  Jan Hubicka  <jh@suse.cz>
26937
26938         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
26939         * tree-pass.h: Reorder to make IPA passes appear toegher.
26940         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
26941         Declare.
26942         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
26943         parameters, do not call early inliner.
26944         * ipa-inline.c: Update comments.  Include tree-flow.h
26945         (cgraph_decide_inlining): Do not compute inlining parameters.
26946         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
26947         be called with function context set up.
26948         (pass_ipa_inline): Remove unreachable functions before pass.
26949         (cgraph_early_inlining): Simplify assuming to be called from the
26950         PM as local pass.
26951         (pass_early_inline): New pass.
26952         (cgraph_gate_ipa_early_inlining): New gate.
26953         (pass_ipa_early_inline): Turn into simple wrapper.
26954         (compute_inline_parameters): New function.
26955         (gate_inline_passes): New gate.
26956         (pass_inline_parameters): New pass.
26957         (apply_inline): Move here from tree-optimize.c
26958         (pass_apply_inline): New pass.
26959         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
26960         transforming.
26961         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
26962         doing them by hand.
26963         (tree_function_versioning): Do not allocate dummy struct function.
26964         * tree-inline.h (optimize_inline_calls): Update prototype.
26965         * tree-optimize.c (execute_fixup_cfg): Export.
26966         (pass_fixup_cfg): Remove
26967         (tree_rest_of_compilation): Do not apply inlines.
26968         * tree-flow.h (execute_fixup_cfg): Declare.
26969         * Makefile.in (gt-passes.c): New.
26970         * passes.c: Include gt-passes.h
26971         (init_optimization_passes): New passes.
26972         (nnodes, order): New static vars.
26973         (do_per_function_toporder): New function.
26974         (execute_one_pass): Dump current pass here.
26975         (execute_ipa_pass_list): Don't dump current pass here.
26976
26977 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
26978
26979         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
26980         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
26981
26982 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
26983
26984         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
26985         (strong_alias): Define.
26986         (__gcc_qmul): Provide non-FMA for soft-float.
26987         (__gcc_qdiv): Same.
26988         (__gcc_qneg): New.
26989         (__gcc_qeq): New.
26990         (__gcc_qle): New.
26991         (__gcc_qge): New.
26992         (__gcc_qunord): New.
26993         (__gcc_stoq): New.
26994         (__gcc_dtoq): New.
26995         (__gcc_qtos): New.
26996         (__gcc_qtod): New.
26997         (__gcc_qtoi): New.
26998         (__gcc_qtou): New.
26999         (__gcc_itoq): New.
27000         (__gcc_utoq): New.
27001         (fmsub): New.
27002         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27003         soft-float functions.
27004         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27005         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27006         about long double soft float.
27007
27008 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27009             Tehila Meyzels  <tehila@il.ibm.com>
27010
27011         * tree-vectorizer.h (is_pattern_stmt_p): New.
27012         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27013         formatting (tabs instead of spaces). Cleanup and clarify setting
27014         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27015         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27016         (vectorizable_type_demotion): Check that types are integral.
27017         (vectorizable_type_promotion): Likewise.
27018         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27019         comments.
27020
27021 2007-01-16  Jan Hubicka  <jh@suse.cz>
27022
27023         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27024         cgraph edges too.
27025
27026 2007-01-15  Eric Christopher  <echristo@apple.com>
27027
27028         * ifcvt.c: Include vec.h, vecprim.h.
27029         (check_cond_move_block): New argument regs.
27030         Reorganize. Add registers used to regs.
27031         (cond_move_process_if_block): Use regs set above as
27032         loop bounds.
27033
27034 2007-01-15  Eric Christopher  <echristo@apple.com>
27035
27036         * config/darwin.h: Update copyright.
27037         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27038         (LINK_COMMAND_SPEC): Add -u.
27039         (LINK_SPEC): Fix umbrella for above.
27040
27041 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27042
27043         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27044         glibc CVS.
27045
27046 2007-01-15  Tom Tromey  <tromey@redhat.com>
27047
27048         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27049         * doc/install.texi (Testing): Don't mention jacks.
27050         (Configuration): Document --enable-java-maintainer-mode.  Move
27051         --with-java-home to libgcj-specific section.  Document
27052         --with-ecj-jar.
27053         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27054
27055 2007-01-15  Jan Hubicka  <jh@suse.cz>
27056
27057         * tree-ssa-dce.c (DCE_TODOs): New.
27058         (propagate_necessity): Return if something changed.
27059         (eliminate_unnecessary_stmts): Likewise.
27060         (perform_tree_ssa_dce): Return TODO flags when needed.
27061         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27062
27063 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27064
27065         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27066         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27067         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27068         patterns using X87MODEF12 mode macro.  Extend operand 1
27069         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27070         (log10<mode>2): Ditto.
27071         (log2<mode>2): Ditto.
27072         (log1p<mode>2): Ditto.
27073         (logb<mode>2): Ditto.
27074         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27075         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27076         (*fxtractxf3_i387): Rename from *fxtractxf3.
27077         (fxtract_extend<mode>xf3_i387): New insn pattern.
27078         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27079         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27080         and gen_fyl2xxf3_i387().
27081
27082 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27083
27084         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27085         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27086         get_loop_exit_edges.  Changed return type to bool.
27087         * cfgloop.h (fix_loop_placement): Declaration removed.
27088
27089 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27090
27091         * param.h (MIN_VECT_LOOP_BOUND): New.
27092         * params.def (MIN_VECT_LOOP_BOUND): New.
27093         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27094         argument - minimum threshold for number of iterations.
27095         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27096         argument to declaration.
27097         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27098         MIN_VECT_LOOP_BOUND.
27099         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27100         slpeel_tree_peel_loop_to_edge with additional argument.
27101         (vect_do_peeling_for_alignment): Likewise.
27102         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27103
27104 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27105
27106         PR target/30413
27107         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27108         operands of size 1.
27109
27110 2007-01-14  Jan Hubicka  <jh@suse.cz>
27111
27112         * tree-dfa.c (remove_referenced_var): New function.
27113         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27114         prune referenced vars list too.
27115         * tree-flow.h (remove_referenced_var): Declare.
27116
27117 2007-01-14  Jan Hubicka  <jh@suse.cz>
27118
27119         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27120         separately.
27121         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27122         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27123         * except.h (verify_eh_throw_table_statements): Kill prototype.
27124         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27125         into call exrepssions.
27126         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27127         eh trhow verifier.
27128         * tree-cfg.c: Include pointer-set.h.
27129         (verify_node_sharing): Work on pointer set.
27130         (verify_eh_throw_stmt_node): New.
27131         (verify_stmts): Use pointers sets, verify throw_stmt.
27132
27133 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27134
27135         * ipa-reference.c (analyze_function): Consider also addresses taken
27136         in phi nodes.
27137
27138 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27139
27140         * c-typeck.c (null_pointer_constant_p): Replace use of
27141         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27142         (build_c_cast): Likewise.
27143
27144 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27145
27146         * tree.h (force_fit_type_double): Remove unused final argument.
27147         * c-common.c (constant_expression_warning): Replace use of
27148         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27149         (convert_and_check): Likewise.
27150         (shorten_compare): Update call to force_fit_type_double.
27151         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27152         * convert.c (convert_to_pointer): Update call to
27153         force_fit_type_double.
27154         * fold-const.c (force_fit_type_double): Remove overflowed_const
27155         argument.
27156         (int_const_binop, fold_convert_const_int_from_int,
27157         fold_convert_const_int_from_real, fold_div_compare,
27158         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27159         fold_abs_const, fold_not_const): Remove the final argument from
27160         calls to force_fit_type_double.
27161
27162 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27163
27164         * configure.ac: Set insn to "nop" for spu-*-* also.
27165         * configure: Regenerate.
27166
27167 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27168
27169         * builtins.def : Add BUILT_IN_FREE.
27170
27171 2007-01-12  Jan Hubicka  <jh@suse.cz>
27172
27173         PR tree-optimization/30443
27174         * tree-inline.c (tree_function_versioning): Do not optimize when
27175         cloning for inlining.
27176
27177 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27178
27179         * doc/loop.texi: Document recording of loop exits.
27180         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27181         (update_single_exits_after_duplication,
27182         update_single_exit_for_duplicated_loop,
27183         update_single_exit_for_duplicated_loops): Removed.
27184         (duplicate_loop_to_header_edge): Do not call
27185         update_single_exits_after_duplication and
27186         update_single_exit_for_duplicated_loops.
27187         (loop_version): Do not update single_exit information.
27188         (fix_loop_structure): Use record_loop_exits instead of
27189         mark_single_exit_loops.
27190         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27191         the lists of loop exits.
27192         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27193         split_edge, merge_blocks): Update the lists of loop exits.
27194         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27195         loop_optimizer_init.
27196         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27197         of mark_single_exit_loops.
27198         (loop_optimizer_finalize): Call release_recorded_exits.
27199         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27200         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27201         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27202         update single exit information.
27203         * lambda-code.c (perfect_nestify): Ditto.
27204         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27205         (mark_single_exit_loops): Removed.
27206         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27207         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27208         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27209         functions.
27210         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27211         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27212         (verify_loop_structure): Verify consistency of the exit lists.
27213         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27214         (set_single_exit): Removed.
27215         * cfgloop.h (struct loop_exit): New function.
27216         (struct loop): single_exit_ field replaced by exits field.
27217         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27218         LOOPS_HAVE_RECORDED_EXITS.
27219         (struct loops): Added exits hash.
27220         (mark_single_exit_loops, set_single_exit): Declaration removed.
27221         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27222
27223 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27224
27225         * doc/invoke.texi: Avoid use of @headitem.
27226
27227 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27228
27229         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27230
27231 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27232
27233         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27234         list of targets.
27235
27236 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27237             Richard Sandiford  <richard@codesourcery.com>
27238
27239         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27240         * config/m68k/m68k.opt: Resort options.
27241         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27242
27243 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27244             Richard Sandiford  <richard@codesourcery.com>
27245
27246         * doc/invoke.texi: Document the macros that are defined by
27247         m68k's -mtune and -mhard-float options.
27248         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27249         (m68k_cpp_cpu_family): Likewise.
27250         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27251         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27252         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27253         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27254         (m68k_cpp_cpu_family): Likewise.
27255
27256 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27257
27258         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27259         macros besides mc68000 as tuning macros.  Use a switch statement
27260         to set them and mcpu32.
27261
27262 2007-01-12  Julian Brown  <julian@codesourcery.com>
27263
27264         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27265         (TARGET_68040_ONLY): Rename to...
27266         (TARGET_68040): ...this.
27267         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27268         * config/m68k/m68k.md: Likewise.
27269
27270 2007-01-12  Julian Brown  <julian@codesourcery.com>
27271             Nathan Sidwell  <nathan@codesourcery.com>
27272             Richard Sandiford  <richard@codesourcery.com>
27273
27274         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27275         the -mcpu= argument associated with the --with-cpu setting.
27276         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27277         if different from the one implied by the -mcpu setting.
27278         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27279         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27280         * doc/invoke.texi: Mention ColdFire in the introduction to the
27281         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27282         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27283         -mhard-float.  Document the previously-undocumented -m5206e,
27284         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27285         documentation for consistency.
27286         * doc/install.texi: Mention new --with-cpu arguments.
27287         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27288         default CPU if neither -mcpu nor -march are specified.
27289         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27290         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27291         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27292         using m68k_tune to decide between families that implement the
27293         same ISA.  Use m68k_tune to set __mcfv4e__.
27294         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27295         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27296         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27297         (FL_ISA_C, FL_ISA_MMU): New macros.
27298         (MASK_COLDFIRE): Delete.
27299         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27300         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27301         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27302         (TARGET_HARD_FLOAT): Do not define here.
27303         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27304         (TUNE_68000): New macro.
27305         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27306         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27307         (TUNE_CFV2): Redefine in terms of m68k_tune.
27308         (uarch_type, target_device, fpu_type): New enums.
27309         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27310         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27311         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27312         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27313         (FL_FOR_isa_c): New macros.
27314         (m68k_isa): New enum.
27315         (m68k_target_selection): New structure.
27316         (all_devices, all_isas, all_microarchs): New tables.
27317         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27318         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27319         (MASK_ALL_CPU_BITS): Delete.
27320         (m68k_find_selection): New function.
27321         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27322         Map the legacy target options to a combination of the new ones.
27323         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27324         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27325         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27326         settings.
27327         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27328         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27329         properties.
27330         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27331         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27332         * config/m68k/m68k-devices.def: New file.
27333
27334 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27335             Nathan Sidwell  <nathan@codesourcery.com>
27336
27337         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27338         (SUBTARGET_EXTRA_SPECS): New macros.
27339         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27340         use %(asm_cpu_spec) instead.
27341         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27342         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27343         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27344         (EXTRA_SPECS): Rename to...
27345         (SUBTARGET_EXTRA_SPECS): ...this.
27346
27347 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27348             Richard Sandiford  <richard@codesourcery.com>
27349             Julian Brown  <julian@codesourcery.com>
27350
27351         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27352         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27353         to the configuration's default CPU.
27354         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27355         Remove default masks.
27356         (m680[012]0-*-*): Set the default with_cpu to the first part of
27357         the target name.
27358         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27359         (m68k*-*-linux): Extend the --with-cpu handling to...
27360         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27361         and m68010.  Don't set target_cpu_default2.
27362         * doc/install.texi: Document --with-cpu for m68k.
27363         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27364         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27365         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27366         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27367         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27368         (ASM_SPEC): Remove use of %(asm_cpu_default).
27369         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27370         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27371         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27372         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27373         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27374         (TARGET_DEFAULT): Delete.
27375         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27376         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27377         (CPP_CPU_SPEC): Delete.
27378         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27379         the appropriate string.
27380         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27381         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27382         (ASM_SPEC): Don't use %(asm_default_spec).
27383         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27384         TARGET_DEFAULT and add MASK_68881.
27385         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27386
27387 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27388
27389         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27390         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27391         MASK_68010 alongside MASK_68020.
27392         * doc/invoke.texi: Document -m68010.
27393         * config/m68k/m68k.opt (m68010): New.
27394         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27395         if TUNE_68010.
27396         (TUNE_68010): New macro.
27397         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27398         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27399         (M68K_CPU_m68332): Add MASK_68010.
27400         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27401         fallback definition.
27402         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27403         defines.
27404         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27405         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27406         to all entries that use MASK_68020.
27407         (output_move_simode_const, output_move_himode, output_move_qimode)
27408         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27409         instead of TARGET_68020 to select clr behavior.  Remove comment
27410         about there being no TARGET_68010.
27411         * config/m68k/m68k.md: Likewise throughout.
27412
27413 2007-01-12  Julian Brown  <julian@codesourcery.com>
27414
27415         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27416         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27417         * config/m68k/m68k.md: Likewise.
27418
27419 2007-01-12  Julian Brown  <julian@codesourcery.com>
27420
27421         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27422         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27423
27424 2007-01-12  Julian Brown  <julian@codesourcery.com>
27425
27426         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27427         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27428         * config/m68k/m68k.md: Likewise.
27429
27430 2007-01-12  Julian Brown  <julian@codesourcery.com>
27431             Richard Sandiford  <richard@codesourcery.com>
27432
27433         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27434         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27435         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27436         TARGET_CPU32.
27437         (TARGET_CPU32): Rename to...
27438         (TUNE_CPU32): ...this.
27439         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27440         (TUNE_CFV2): New macros.
27441         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27442         remove conditions that are implied by TARGET_68020.
27443         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27444         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27445         (m68k_output_function_epilogue): Likewise.
27446         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27447         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27448         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27449         non-68000 timings.  Refactor multiplication and division costs.
27450         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27451         TUNE_CPU32 instead of TARGET_CPU32.
27452         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27453         and TUNE_68060 instead of TARGET_68060.
27454         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27455         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27456         TARGET_CPU32.
27457         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27458         && !TARGET_COLDFIRE" to choose between moveq and clr.
27459         Likewise in the unnamed movsf pattern.
27460         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27461         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27462         ashiftrt pattern.
27463
27464 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27465
27466         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27467         of tabbing before backslashes.
27468
27469 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27470
27471         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27472         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27473         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27474
27475 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27476
27477         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27478         find_interesting_uses_cond.
27479         (find_interesting_uses_cond): Use extract_cond_operands.
27480         (rewrite_use_compare): Use extract_cond_operands and
27481         force_gimple_operand_bsi.  Do not call update_stmt.
27482         (determine_use_iv_cost_condition): Use extract_cond_operands.
27483         Return cheaper of using original bound and changing the exit bound.
27484
27485 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27486
27487         PR tree-optimization/29516
27488         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27489         most_expensive_mult_to_index, addr_to_parts,
27490         create_mem_ref, maybe_fold_tmr): Make the type of
27491         fields of TARGET_MEM_REF sizetype.
27492         (move_fixed_address_to_symbol, move_pointer_to_base):
27493         New functions.
27494         * tree.def (TARGET_MEM_REF): Add comment on types of
27495         the operands.
27496
27497 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27498
27499         * c-common.c (vector_types_convertible_p): Treat opaque types as
27500         always convertible if they have the same size, but not otherwise.
27501
27502 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27503
27504         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27505         Remove the b_unconditional field.
27506         (noce_try_sign_mask): Do not look at b_unconditional.
27507         (noce_process_if_block): Do not use merge_if_blocks.  Update
27508         the CFG here.  Do not set b_unconditional.
27509         (cond_move_process_if_block): Likewise.
27510         (find_cond_trap): Likewise.
27511         (check_cond_move_block): Require simple jump insns at the end
27512         of the basic block.
27513
27514 2007-01-11  Jan Hubicka  <jh@suse.cz>
27515
27516         PR tree-optimization/1046
27517         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27518         when alias info is not ready.
27519         (pass_tail_recursion): Do not require aliasing.
27520         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27521         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27522         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27523         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27524         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27525         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27526         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27527         before inlining.
27528         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27529         When aliasing is not build, mark statement as volatile.
27530
27531 2007-01-11  Tom Tromey  <tromey@redhat.com>
27532
27533         PR preprocessor/15185, PR preprocessor/20989:
27534         * doc/cppopts.texi <-MT>: Update description of algorithm for
27535         computing default target.
27536         <-M, -MD>: Reword "basename" text.
27537
27538 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27539
27540         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27541         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27542         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27543         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27544         fold_builtin_bswap, real_constp, fold_builtin_pow,
27545         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27546         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27547         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27548         * convert.c (convert_to_pointer): Likewise.
27549         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27550         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27551         const_binop, fold_convert_const_int_from_int,
27552         fold_convert_const_int_from_real,
27553         fold_convert_const_real_from_real, sign_bit_p,
27554         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27555         fold_sign_changed_comparison, fold_unary, fold_comparison,
27556         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27557         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27558         * print-tree.c (print_node_brief, print_node): Likewise.
27559         * stor-layout.c (place_field, layout_type): Likewise.
27560         * tree-chrec.c (keep_cast): Likewise.
27561         * tree.c (build_vector, build_real, build_real_from_int_cst,
27562         build_complex): Likewise.
27563
27564 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27565
27566         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27567         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27568
27569 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27570
27571         * configure.ac (strict1_warn): Rename to strict_warn.
27572         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27573         cc_set_by_configure, quoted_cc_set_by_configure,
27574         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27575         all_boot_languages, all_stagestuff): Remove.
27576         (target_list): Remove bootstrap targets.
27577         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27578         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27579         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27580         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27581         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27582         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27583         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27584         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27585         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27586         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27587         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27588         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27589         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27590         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27591         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27592         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27593         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27594         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27595         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27596         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27597         (mostlyclean): Adjust.
27598         (clean, distclean): Don't mention bootstrap stuff.
27599         * configure: Regenerate.
27600         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27601         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27602         treelang/config-lang.in (stagestuff): Remove.
27603         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27604         stageprofile, stagefeedback, stagestuff): Remove mention.
27605
27606 2007-01-11  Nick Clifton  <nickc@redhat.com>
27607
27608         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27609         Accept CONSTs.
27610         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27611         (mcore_arith_K_S_operand): Run the test for the S constraint not
27612         the test for the M constraint.
27613         (mcore_addsub_operand): Do not accept integer values that are
27614         larger than 32 bits.
27615         * config/mcore/mcore.md: Remove unused constraints from split.
27616         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27617         (addsi3): Likewise.
27618         (allocate_stack): Likewise.
27619         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27620         operands to 32 bits.
27621         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27622         INTVAL.
27623         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27624         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27625         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27626         mcore_output_bclri, mcore_output_andn, output_inline_const,
27627         mcore_output_move, mcore_output_movedouble): Likewise.
27628         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27629         (output_inline_const): Likewise.
27630         (output_inline_const): Fix format strings used in sprintf
27631         statements.
27632         * config/mcore/mcore-protos.h: Update prototypes for changed
27633         functions in mcore.c.
27634         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27635         HOST_WIDE_INT and not int.
27636         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27637         CONST_OK_FOR_N): Likewise.
27638         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27639         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27640         an INTVAL.
27641
27642 2007-01-10  Jan Hubicka  <jh@suse.cz>
27643
27644         * tree-vrp.c (remove_range_assertions): Release defs.
27645         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27646         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27647
27648 2007-01-10  Paul Brook  <paul@codesourcery.com>
27649
27650         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27651         * config/arm/arm.md (mulsi3subsi): New insn.
27652
27653 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27654
27655         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27656         (tree_transform_and_unroll_loop): New.
27657         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27658         Declare.
27659
27660 2007-01-10  Robert Kennedy <jimbob@google.com>
27661
27662         * fold-const.c (fold_comparison): Fold comparisons like (x *
27663         1000 < 0) to (x < 0).
27664
27665 2007-01-10  Ian Lance Taylor  <iant@google.com>
27666
27667         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27668         operands have the same priority.
27669
27670 2007-01-10  Tom Tromey  <tromey@redhat.com>
27671
27672         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27673         (fold_binary): Likewise.
27674         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27675         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27676         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27677         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27678         * langhooks.h (struct lang_hooks): Removed field
27679         'can_use_bit_fields_p'.
27680
27681 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
27682
27683         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
27684
27685 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
27686
27687         * function.c (get_last_funcdef_no): New function.
27688         * function.h (get_last_funcdef_no): Declare.
27689         * tree-inline.c (initialize_cfun): Add initialization.
27690         (tree_function_versioning): Cleanup.
27691
27692 2007-01-10  Jan Hubicka  <jh@suse.cz>
27693
27694         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
27695         PHIs.
27696
27697 2007-01-10  Sa Liu  <saliu@de.ibm.com>
27698             Ben Elliston  <bje@au.ibm.com>
27699
27700         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
27701         for SAVE_NONLOCAL and Pmode for any other save level.
27702         * spu-protos.h (spu_restore_stack_block): Declare.
27703         * spu.md (save_stack_block): Remove.
27704         (restore_stack_block): Call spu_restore_stack_block.
27705         * spu.c (spu_restore_stack_block): New function.
27706         (spu_expand_epilogue): Remove old comment.
27707
27708 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
27709
27710         PR tree-optimization/30322
27711         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
27712         (cand_value_at): Return the value as aff_tree.
27713         (may_eliminate_iv): Convert the bound from aff_tree to tree.
27714         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
27715         aff_combination_mult): New functions.
27716         (aff_combination_add): Use aff_combination_add_cst.
27717         (aff_combination_convert): Allow conversions to a wider type.
27718         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
27719         * tree-affine.h (aff_combination_mult): Declare.
27720
27721 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
27722
27723         * doc/tm.texi: Update documentation to reflect reality of exec
27724         and start file search behaviours. Update copyright year.
27725         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
27726         header file directories.
27727
27728 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
27729
27730         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
27731         (*cosxf2): Rename to cosxf2_i387.
27732         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
27733         using X87MODEF12 mode macro. Rename patterns to
27734         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
27735         for SSE math.
27736         (*cosdf2, *cossf2): Ditto.
27737         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
27738         to match extended input operands.
27739         (sincos<mode>3): New expander.
27740         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
27741         insn patterns and corresponding splitters.
27742
27743 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
27744
27745         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
27746         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
27747
27748 2007-01-09  Nicolas Pitre  <nico@cam.org>
27749
27750         PR target/30173
27751         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
27752
27753 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27754
27755         * target.h (struct gcc_target): New field library_rtti_comdat.
27756         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
27757         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
27758         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
27759         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
27760
27761 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
27762
27763         * doc/invoke.texi (Optimize Options): Correct description of -O0.
27764
27765 2007-01-08  Richard Guenther  <rguenther@suse.de>
27766
27767         * tree.h (force_fit_type_double): Export.
27768         (force_fit_type): Remove.
27769         * fold-const.c (force_fit_type_double): New function.
27770         (force_fit_type): Remove.
27771         (int_const_binop): Use it.
27772         (fold_convert_const_int_from_int): Likewise.
27773         (fold_convert_const_int_from_real): Likewise.
27774         (fold_div_compare): Likewise.
27775         (fold_sign_changed_comparison): Likewise.
27776         (fold_unary): Likewise.
27777         (fold_negate_const): Likewise.
27778         (fold_abs_const): Likewise.
27779         (fold_not_const): Likewise.
27780         * c-common.c (shorten_compare): Use force_fit_type_double.
27781         * convert.c (convert_to_pointer): Likewise.
27782
27783 2007-01-08  Richard Guenther  <rguenther@suse.de>
27784
27785         * tree.h (build_int_cst_wide_type): Export.
27786         * tree.c (build_int_cst_wide_type): New function.
27787         (build_int_cst_wide): Fix comment.
27788         * builtins.c (fold_builtin_object_size): Use build_int_cst
27789         to build -1 or 0 of the correct type.  Use fit_double_type
27790         to check for overflow.
27791         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
27792         to build the mask.
27793         (decode_field_reference): Likewise.
27794         (all_ones_mask_p): Likewise.
27795         (native_interpret_int): Use build_int_cst_wide_type.
27796         (fold_binary): Use build_int_cst_type to build an all-ones
27797         value.
27798         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
27799
27800 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
27801
27802         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
27803
27804 2007-01-09  Ben Elliston  <bje@au.ibm.com>
27805
27806         * genautomata.c (STATS_OPTION): New option.
27807         (stats_flag): New flag.
27808         (gen_automata_option): Handle it.
27809         (initiate_automaton_gen): Ditto.
27810         (write_automata): Output statistics only if stats_flag is
27811         set. Likewise, output time statistics only if time_flag is set.
27812         * doc/md.texi (Processor pipeline description): Document new flag.
27813
27814 2007-01-08  Richard Guenther  <rguenther@suse.de>
27815
27816         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
27817         * tree.c (build_int_cst_type): Likewise.
27818         (size_in_bytes): Don't call force_fit_type on the result.
27819         (int_fits_type_p): Use fit_double_type.
27820         * fold-const.c (fit_double_type): New function.
27821         (force_fit_type): Use it.
27822         * tree.h (fit_double_type): Export.
27823
27824 2007-01-08  Jan Hubicka  <jh@suse.cz>
27825
27826         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
27827         * ipa.c (function_and_variable_visibility): Fix return type.
27828
27829 2007-01-08  Richard Guenther  <rguenther@suse.de>
27830
27831         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
27832         of offset to build the index.
27833         * tree-pretty-print.c (dump_generic_node): Don't build negated
27834         const just for printing.
27835         * c-pretty-print.c (pp_c_integer_constant): Likewise.
27836         * builtins.c (fold_builtin_int_roundingfn): Check if result
27837         fits the type by using force_fit_type and comparing the result.
27838         * predict.c (predict_loops): Use compare_tree_int for comparison.
27839         * tree.c (build_int_cst): Fall back to integer_type_node for
27840         NULL_TREE type.
27841         (build_int_cst_wide): Assert type is non-null.
27842
27843 2007-01-08  Roberto Costa  <roberto.costa@st.com>
27844
27845         * tree-vrp.c (extract_range_from_cond_expr): New.
27846         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
27847         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
27848         as expressions.
27849         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
27850         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
27851         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
27852         used as expressions.
27853         * tree-object-size.c (cond_expr_object_size): New.
27854         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
27855
27856 2007-01-08  Jan Hubicka  <jh@suse.cz>
27857
27858         * tree-ssa-forwprop.c (forward_propagate_into_cond,
27859         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
27860         statement.
27861
27862 2007-01-08  Richard Guenther  <rguenther@suse.de>
27863
27864         PR tree-optimization/23603
27865         * tree-vrp.c (set_value_range_to_truthvalue): New function.
27866         (extract_range_from_binary): Fall back to truthvalue instead of
27867         varying for TRUTH_*_EXPR.
27868         (extract_range_from_comparison): Fall back to truthvalue instead of
27869         varying.
27870         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
27871         if all visited PHI values were constant.
27872
27873 2007-01-08  Jan Hubicka  <jh@suse.cz>
27874
27875         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
27876         (cgraph_analyze_function): break out from ...
27877         (cgraph_finalize_compilation_unit): ... here.
27878         (cgraph_expand_function): Remove forgoten commented out line.
27879         (cgraph_optimize): Analyze functions.
27880
27881 2007-01-08  Jan Hubicka  <jh@suse.cz>
27882
27883         * tree-pas.h (TODO_remove_function): New flag.
27884         (TODO_update*): Renumber.
27885         (pass_ipa_increase_alignment,
27886         pass_ipa_function_and_variable_visibility): New passes.
27887         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
27888         (cgraph_function_and_variable_visibility): Move to ipa.c
27889         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
27890         cgraph_increase_alignment.
27891         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
27892         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
27893         calling tree-inline.
27894         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
27895         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
27896         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
27897         (gate_increase_alignment): New function.
27898         (pass_ipa_increase_alignment): New pass.
27899         * ipa.c: Inline tree-pass.h and timevar.h
27900         (function_and_variable_visibility): Move here from cgraphunit.c
27901         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
27902         * passes.c (init_optimization_passes): Add the two new passes.
27903         (execute_todo): Handle cgraph_remove_functions.
27904
27905 2007-01-08  Nick Clifton  <nickc@redhat.com>
27906
27907         * config/frv/predicates.md (reg_or_0_operand): Accept
27908         CONST_DOUBLEs.
27909
27910 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
27911
27912         * config/bfin/rtems.h, config/bfin/t-rtems: New.
27913         * config.gcc: Add bfin*-rtems*.
27914
27915 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27916
27917         * c.opt: Add -flax-vector-conversions.
27918         * c-typeck.c (convert_for_assignment): Pass flag to
27919         vector_types_convertible_p to allow emission of note.
27920         (digest_init): Likewise.
27921         * c-opts.c: Handle -flax-vector-conversions.
27922         * c-common.c (flag_lax_vector_conversions): New.
27923         (vector_types_convertible_p): Unless -flax-vector conversions
27924         has been passed, disallow conversions between vectors with
27925         differing numbers of subparts and/or element types.  If such
27926         a conversion is disallowed, possibly emit a note on the first
27927         occasion only to inform the user of -flax-vector-conversions.
27928         The new last argument specifies this.
27929         * c-common.h (flag_lax_vector_conversions): New.
27930         (vector_types_convertible_p): Add extra argument.
27931         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
27932         char_type_node for V*QI type vectors.
27933         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
27934         Update to satisfy new typechecking rules.
27935         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
27936         C and C++ variants.
27937         * doc/invoke.texi (C Dialect Options): Document
27938         -flax-vector-conversions.
27939
27940 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
27941
27942         PR tree-optimization/29877
27943         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
27944         a register variable on the RHS to not be replaceable.
27945
27946 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
27947         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
27948         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
27949         const_simm15, const_pow2, const_npow2): Added.
27950         * config/score/misc.md (insv, extv, extzv, movmemsi,
27951         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
27952         * config/score/score.c (score_address_cost, score_select_cc_mode):
27953         Added.
27954         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
27955         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
27956         Update score_print_operand.
27957         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
27958         Adjust register allocate order and update some macro define.
27959         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
27960         mdx_block_move_straight, mdx_block_move_loop_head,
27961         mdx_block_move_loop_body, mdx_block_move_loop_foot,
27962         mdx_block_move_loop, mdx_block_move): Added.
27963         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
27964         mdp_limm): Updated and fix some bug and typo.
27965         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
27966         (movsf, movdf, doloop_end): Added.
27967
27968 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
27969
27970         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
27971         config/arm/thumb2.md: Fix comment typos.
27972         * doc/extend.texi: Fix a typo.
27973
27974 2007-01-07  Eric Christopher  <echristo@apple.com>
27975
27976         * configure.ac: Check for __stack_chk_fail for darwin.
27977         * configure: Regenerate.
27978
27979 2007-01-07  Richard Guenther  <rguenther@suse.de>
27980
27981         * tree-vrp.c (extract_range_from_assert): CSE calls to
27982         compare_values where possible.
27983         (extract_range_from_unary_expr): Likewise.
27984
27985 2007-01-07  Anatoly Sokolov <aesok@post.ru>
27986
27987         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
27988         * config/avr/avr.c (call_insn_operand): Delete function.
27989         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
27990         instead of register number. Use predicates.
27991         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
27992         call_insn_operand): Add.
27993
27994 2007-01-06  Jan Hubicka  <jh@suse.cz>
27995
27996         * tree-pass.h (pass_build_cgraph_edges): Declare.
27997         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
27998         (visited_nodes): Remove.
27999         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28000         build_cgrpah_edges; make visited_nodes local.
28001         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28002         (record_references_in_initializer): Move to cgraphbuild.c
28003         (initialize_inline_failed, rebuild_cgraph_edges,
28004         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28005         (verify_cgraph_node): Make visited_nodes local.
28006         (cgraph_analyze_function): Do not call cgraph_create_edges and
28007         initialize_inline_failed.
28008         (cgraph_expand_function): Do not call cgraph_lower_function;
28009         assert that function is already lowered.
28010         * Makefile.in (cgraphbuild.o): New.
28011         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28012         at the end of lowering passes.
28013
28014 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28015
28016         * ifcvt.c (cond_move_convert_if_block): New function, code
28017         factored out from...
28018         (cond_move_process_if_block): ...here.  Call the new function
28019         on the THEN and ELSE blocks.
28020         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28021         already takes care of this.
28022
28023 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28024
28025         PR c/19978
28026         * tree.h (TREE_OVERFLOW_P): New.
28027         * c-typeck.c (parser_build_unary_op): Warn only if result
28028         overflowed and operands did not.
28029         (parser_build_binary_op): Likewise.
28030         (convert_for_assignment): Remove redundant overflow_warning.
28031         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28032
28033 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28034
28035         * c-typeck.c (store_init_value): Split over two lines to follow
28036         the GNU coding style.
28037
28038 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28039
28040         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28041         __GXX_EXPERIMENTAL_CXX0X__.
28042         * doc/cpp.texi: Same.
28043
28044 2007-01-05  Richard Guenther  <rguenther@suse.de>
28045
28046         PR middle-end/27826
28047         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28048         with mismatched types.  Instead explicitly build a
28049         conversion NOP_EXPR.
28050
28051 2007-01-05  Ian Lance Taylor  <iant@google.com>
28052
28053         * c-common.c (decl_with_nonnull_addr_p): New function.
28054         (c_common_truthvalue_conversion): Call it.
28055         * c-typeck.c (build_binary_op): Likewise.
28056         * c-common.h (decl_with_nonnull_addr_p): Declare.
28057
28058 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28059
28060         PR c/30360
28061         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28062         denom against 0.0.
28063
28064 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28065
28066         * doc/install.texi (Final install): Document the fact that
28067         the GNAT runtime should not be stripped.
28068
28069 2007-01-04  Jan Hubicka  <jh@suse.cz>
28070
28071         * tree-inline.c (fold_marked_statements): Update operand caches
28072         and EH after folding
28073
28074 2007-01-04  Ian Lance Taylor  <iant@google.com>
28075
28076         * c-common.c (check_function_nonnull): Whitespace fix.
28077
28078 2007-01-04  Jan Hubicka  <jh@suse.cz>
28079
28080         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28081         comitted older version of patch.
28082         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28083         function, celanup cfg and collect garbage.
28084
28085 2007-01-04  Mike Stump  <mrs@apple.com>
28086
28087         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28088         (clean): Likewise.
28089
28090 2007-01-04  Eric Christopher  <echristo@apple.com>
28091
28092         * libgcc2.c (__bswapsi2): Use SItype.
28093         (__bswapdi2): Use DItype.
28094         * libgcc2.h: Update for above.
28095
28096 2007-01-04  Paul Brook  <paul@codesourcery.com>
28097
28098         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28099         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28100         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28101         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28102         umulsi3_highpart): Make conditional on !arm_arch6.
28103         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28104         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28105         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28106         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28107         umulsi3_highpart_v6): New insns.
28108
28109 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28110
28111         * fold-const.c (fold_convert): When casting an expression to void,
28112         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28113         have a type.  Instead of attempting to build a NOP_EXPR, return
28114         these "special" trees directly.
28115
28116 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28117
28118         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28119         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28120         rs6000_cost->fp not 0 as adjustment for outer NEG.
28121
28122 2007-01-04  Jan Hubicka  <jh@suse.cz>
28123
28124         * cgraph.c (cgraph_release_function_body): New function.
28125         (cgraph_remove_node): Use it.
28126         * cgraph.h (cgraph_release_function_body): Declare.
28127         * cgraphunit.c (cgraph_expand_function): Use it.
28128         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28129         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28130         is initialized and while compilation of other function is running.
28131         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28132         statement CFG annotations from here to ...
28133         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28134
28135 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28136
28137         * cfgloop.h (enum li_flags): Make the constants powers of two.
28138
28139 2007-01-04  Jan Hubicka  <jh@suse.cz>
28140
28141         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28142         set.
28143         (fold_marked_statements): New function.
28144         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28145         * tree-inline.h (copy_body_data): Add statements_to_fold.
28146
28147 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28148
28149         * config.gcc: Mention libgcc/config.host.
28150         * Makefile.in: Update comments mentioning libgcc.
28151         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28152         (all.cross, start.encap, rest.encap, rest.cross): Update
28153         dependencies for libgcc move.
28154         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28155         (clean-target, clean-target-libgcc): Delete.
28156         (srcdirify, GCC_EXTRA_PARTS): New macros.
28157         (libgcc-support, libgcc.mvars): New rules.
28158         (distclean): Remove mention of mklibgcc.
28159         (install): Don't reference INSTALL_LIBGCC.
28160         (install-common): Don't reference EXTRA_PARTS.
28161         (install-libgcc, install-multilib): Delete rules.
28162         * mklibgcc.in: Delete file.
28163         * doc/configfiles.texi: Don't mention mklibgcc.
28164
28165         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28166         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28167         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28168         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28169         (mklibgcc, ldblspecs): Likewise.
28170
28171         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28172         (posixpre.def): Use $(T).
28173         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28174         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28175         (SHLIB_LINK): Make dummy.
28176         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28177
28178         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28179
28180         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28181         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28182         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28183         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28184
28185         * configure.ac (all_outputs): Remove mklibgcc.
28186         * configure: Regenerated.
28187
28188 2007-01-03  Josh Conner  <jconner@apple.com>
28189
28190         PR middle-end/29683
28191         * calls.c (compute_argument_addresses): Set stack and stack_slot
28192         for partial args, too.
28193         (store_one_arg): Use locate.size.constant for the size when
28194         generating a save_area.
28195
28196 2007-01-03  Robert Kennedy <jimbob@google.com>
28197
28198         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28199         whose definitions are deleted due to basic block merging.
28200
28201 2007-01-03  Paul Brook  <paul@codesourcery.com>
28202
28203         PR target/16634
28204         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28205         functions.
28206         (use_return_insn): Return 0 for Thumb interrupt functions.
28207         (print_multi_reg): Add rfe argument for IRQ returns.
28208         (arm_output_epilogue): Pop interrupt return address directly into PC.
28209         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28210
28211 2007-01-03  Paul Brook  <paul@codesourcery.com>
28212
28213         Merge from sourcerygxx-4_1.
28214         * config/arm/thumb2.md: New file.
28215         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28216         Thumb-2.
28217         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28218         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28219         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28220         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28221         tables.
28222         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28223         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28224         comptibility.
28225         * config/arm/ieee754-sf.S: Ditto.
28226         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28227         (thumb1_base_register_rtx_p): ... to this.
28228         (thumb_index_register_rtx_p): Rename...
28229         (thumb1_index_register_rtx_p): ... to this.
28230         (thumb_output_function_prologue): Rename...
28231         (thumb1_output_function_prologue): ... to this.
28232         (thumb_legitimate_address_p): Rename...
28233         (thumb1_legitimate_address_p): ... to this.
28234         (thumb_rtx_costs): Rename...
28235         (thumb1_rtx_costs): ... to this.
28236         (thumb_compute_save_reg_mask): Rename...
28237         (thumb1_compute_save_reg_mask): ... to this.
28238         (thumb_final_prescan_insn): Rename...
28239         (thumb1_final_prescan_insn): ... to this.
28240         (thumb_expand_epilogue): Rename...
28241         (thumb1_expand_epilogue): ... to this.
28242         (arm_unwind_emit_stm): Rename...
28243         (arm_unwind_emit_sequence): ... to this.
28244         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28245         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28246         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28247         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28248         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28249         thumb2_output_casesi): New functions.
28250         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28251         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28252         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28253         THUMB2_WORK_REGS): Define.
28254         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28255         arm_condexec_mask, arm_condexec_masklen)): New variables.
28256         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28257         (arm_override_options): Check new CPU capabilities.
28258         Set new architecture flag variables.
28259         (arm_isr_value): Handle v7m interrupt functions.
28260         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28261         Thumb-2.
28262         (const_ok_for_arm): Handle Thumb-2 constants.
28263         (arm_gen_constant): Ditto.  Use movw when available.
28264         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28265         functions.
28266         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28267         (thumb_find_work_register, arm_load_pic_register,
28268         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28269         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28270         print_multi_reg, output_mov_long_double_fpa_from_arm,
28271         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28272         output_mov_double_fpa_from_arm, output_move_double,
28273         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28274         output_return_instruction, arm_output_function_prologue,
28275         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28276         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28277         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28278         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28279         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28280         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28281         '!' and 'L'.
28282         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28283         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28284         (arm_file_start): Output directive for unified syntax.
28285         (arm_unwind_emit_set): Handle stack alignment instruction.
28286         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28287         Add v6t2, v7, v7a, v7r and v7m.
28288         (RETLDM): Add Thumb-2 code.
28289         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28290         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28291         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28292         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28293         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28294         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28295         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28296         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28297         ADJUST_INSN_LENGTH): Define.
28298         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28299         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28300         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28301         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28302         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28303         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28304         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28305         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28306         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28307         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28308         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28309         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28310         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28311         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28312         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28313         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28314         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28315         cortex-m3.
28316         * config/arm/arm-tune.md: Regenerate.
28317         * config/arm/arm-protos.h: Update prototypes.
28318         * config/arm/vfp.md: Enable patterns for Thumb-2.
28319         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28320         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28321         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28322         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28323         * config/arm/libunwind.S: Add Thumb-2 code.
28324         * config/arm/constraints.md: Update include Thumb-2.
28325         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28326         * config/arm/ieee754-df.S: Ditto.
28327         * config/arm/bpabi.S: Ditto.
28328         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28329         * config/arm/predicates.md (low_register_operand,
28330         low_reg_or_int_operand, thumb_16bit_operator): New.
28331         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28332         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28333         * config/arm/t-arm-elf: Add armv7 multilib.
28334         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28335         Include thumb2.md.
28336         (UNSPEC_STACK_ALIGN, ce_count): New.
28337         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28338         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28339         insns/expanders.
28340         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28341         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28342         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28343         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28344         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28345         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28346         insns.
28347         * doc/extend.texi: Document ARMv7-M interrupt functions.
28348         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28349
28350 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28351
28352         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28353         (struct _Unwind_Context): Rename args_size to flags, remove
28354         signal_frame field, add a new args_size field and version field.
28355         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28356         _Unwind_IsExtendedContext): New inline functions.
28357         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28358         Assume by_value array is only present if _Unwind_IsExtendedContext.
28359         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28360         _Unwind_IsSignalFrame.
28361         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28362         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28363         (uw_init_context_1): Initialize context->flags to
28364         EXTENDED_CONTEXT_BIT.
28365         * config/rs6000/linux-unwind.h (frob_update_context): Use
28366         _Unwind_SetSignalFrame.
28367
28368 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28369
28370         PR middle-end/30353
28371         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28372         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28373         the value.
28374
28375 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28376
28377         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28378         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28379         RET, AT_SP): Remove.
28380         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28381         instead of RET.
28382
28383         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28384         * cfgbuild.c (find_basic_blocks): Likewise.
28385         * cfgrtl.c (rtl_create_basic_block): Likewise.
28386         * function.c (temp_slots_at_level): Likewise.
28387         * reg-stack.c (stack_regs_mentioned): Likewise.
28388         * regclass.c (allocate_reg_info): Likewise.
28389         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28390         set_bb_for_stmt, move_block_to_fn): Likewise.
28391         * tree-complex.c (tree_lower_complex): Likewise.
28392         * vec.h (VEC_safe_grow_cleared): New.
28393
28394         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28395
28396 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28397
28398         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28399         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28400         to loop_version.
28401         * cfgloopmanip.c (scale_loop_frequencies): Export.
28402         (loopify): Scale the frequencies by prescribed coefficients.
28403         (set_zero_probability): New function.
28404         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28405         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28406         and frequencies according to arguments.
28407         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28408         correctly.
28409         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28410         * modulo-sched.c (sms_schedule): Set probabilities for entering
28411         versioned loop correctly.
28412         * tree-vect-transform.c (vect_transform_loop): Ditto.
28413         * cfgloop.h (loopify, loop_version): Declaration changed.
28414         (scale_loop_frequencies): Declared.
28415
28416 2007-01-02  Jan Hubicka  <jh@suse.cz>
28417
28418         * cgraph.c: Include tree-flow.h
28419         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28420         early_local_passes.
28421         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28422         * tree-pass.h (pass_all_early_optimizations): Declare.
28423         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28424         early_local_passes.
28425         (cgraph_analyze_function): Do early_local_passes.
28426         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28427         Do not add referenced vars.
28428         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28429         SSA form.
28430         (gate_all_early_local_passes): New gate.
28431         (pass_early_local_passes): Use new gate.
28432         (execute_early_local_optimizations): New functions.
28433         (gate_all_early_optimizations): New gate.
28434         (pass_all_early_optimizations): New pass.
28435         (execute_free_datastructures): Free SSA only when initialized.
28436         (gate_init_datastructures): Init only when optimizing.
28437         (tree_lowering_passes): Do early local passes when called late.
28438         * tree-profile.c (do_tree_profiling): Don't profile functions added
28439         late.
28440         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28441         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28442         not active.
28443         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28444         during early_local_passes.
28445         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28446
28447
28448 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28449
28450         * Makefile.in: Update copyright year.
28451
28452 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28453
28454         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28455         in $(lang_checks) and check-consistency targets.
28456
28457 2007-01-02  Jan Hubicka  <jh@suse.cz>
28458
28459         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28460         Do not add referenced vars.
28461         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28462         are not active.
28463         * passes.c (init_optimization_passes): Put mudflap_2 after
28464         free_datastructures.
28465
28466 2007-01-02  Jan Hubicka  <jh@suse.cz>
28467
28468         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28469         Set NOTHROW flag on call statements proved to be nothrow.
28470         Update statement of local calls so new pure/const functions are
28471         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28472         goto receivers.
28473         (tree_rest_of_compilation): Register hooks and initialize bitmap
28474         early. Do not set after_inlining flag.
28475
28476 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28477
28478         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28479         HOST_BITS_PER_LONGLONG
28480
28481 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28482
28483         PR c/19977
28484         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28485         warning for non-static initializers.
28486
28487 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28488
28489         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28490         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28491         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28492         Always use set_unique_reg_note to add REG_EQUAL notes.
28493
28494 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28495
28496         Revert:
28497         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28498
28499         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28500         * cfgbuild.c (find_basic_blocks): Likewise.
28501         * cfgrtl.c (rtl_create_basic_block): Likewise.
28502         * function.c (temp_slots_at_level): Likewise.
28503         * reg-stack.c (stack_regs_mentioned): Likewise.
28504         * regclass.c (allocate_reg_info): Likewise.
28505         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28506         set_bb_for_stmt, move_block_to_fn): Likewise.
28507         * tree-complex.c (tree_lower_complex): Likewise.
28508         * vec.h (VEC_safe_grow_cleared): New.
28509
28510 2007-01-02  Ian Lance Taylor  <iant@google.com>
28511
28512         * c-common.c (c_common_truthvalue_conversion): When warning about
28513         using an assignment as a truth value, set TREE_NO_WARNING.
28514
28515 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28516
28517         PR middle-end/7651
28518         * c.opt (Wold-style-declaration): New.
28519         * doc/invoke.texi (C-only Warning Options): New.
28520         (Wold-style-declaration): Document it.
28521         (Wextra): Enabled by -Wextra.
28522         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28523         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28524         -Wold-style-declaration.
28525
28526 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28527
28528         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28529         * cfgbuild.c (find_basic_blocks): Likewise.
28530         * cfgrtl.c (rtl_create_basic_block): Likewise.
28531         * function.c (temp_slots_at_level): Likewise.
28532         * reg-stack.c (stack_regs_mentioned): Likewise.
28533         * regclass.c (allocate_reg_info): Likewise.
28534         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28535         set_bb_for_stmt, move_block_to_fn): Likewise.
28536         * tree-complex.c (tree_lower_complex): Likewise.
28537         * vec.h (VEC_safe_grow_cleared): New.
28538
28539 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28540
28541         * c-common.c (c_common_nodes_and_builtins): Since variants of
28542         void_type_node get built before it is given a name, we need to
28543         give those variants the name, too.
28544         (complete_array_type): We need to work with the canonical main
28545         type of the array, from which we will build the qualified version.
28546         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28547         * print-tree.c (print_node): Display canonical type information
28548         for each type.
28549         * stor-layout.c (layout_type): When we don't know the
28550         alignment of a type for which we're building an array, we end up
28551         guessing wrong, so make the type require structural equality.
28552         * tree.c (make_node_stat): When we build a new type, it is its
28553         own canonical type.
28554         (build_type_attribute_qual_variant): When building an attribute
28555         variant, its canonical type is the non-attribute variant. However,
28556         if the attributes are target-dependent and they differ, we need to
28557         use structural equality checks for this type.
28558         (build_qualified_type): A qualified type is not equivalent to its
28559         unqualified variant; set the canonical type appropriately.
28560         (build_distinct_type_copy): When building a distinct type from
28561         another type, the new type is its own canonical type.
28562         (build_variant_type_copy): When building a new type variant, we
28563         assume that it is equivalent to the original type.
28564         (build_pointer_type_for_mode): When building a pointer type, also
28565         build a canonical type pointer.
28566         (build_reference_type_for_mode): When building a reference type,
28567         also build a canonical type reference.
28568         (build_index_type): When we can't hash an index type (e.g.,
28569         because its maximum value is negative), the index type requires
28570         structural equality tests.
28571         (build_array_type): Build the canonical form of an array type.
28572         (build_function_type): Function types require structural equality,
28573         because they contain default arguments, attributes, etc.
28574         (build_method_type_directly): Ditto for method types.
28575         (build_offset_type): Build the canonical offset type.
28576         (build_complex_type): Build the canonical vector type.
28577         (make_vector_type): Build the canonical vector type.
28578         * tree.h (TYPE_CANONICAL): New.
28579         (TYPE_STRUCTURAL_EQUALITY_P): New.
28580         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28581         (struct tree_type): Added "canonical" field.
28582         * params.h (VERIFY_CANONICAL_TYPES): New.
28583         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28584         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28585         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28586         * doc/invoke.texi (verify-canonical-types): Document --param
28587         parameter for verifying canonical types.
28588
28589 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28590
28591         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28592         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28593         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28594         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28595         tm_file.
28596         * config/rs6000/e500.h: New.
28597         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28598         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28599         Remove.
28600         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28601         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28602         TARGET_E500_DOUBLE): Remove.
28603         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28604         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28605         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28606         * config/rs6000/rs6000.c (rs6000_override_options): Use
28607         CHECK_E500_OPTIONS.
28608
28609 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28610
28611         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28612         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28613         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28614         rs6000_emit_cmove): Don't check TARGET_E500.
28615         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28616         sordered): Don't check TARGET_E500.
28617
28618 2007-01-01  Eric Christopher  <echristo@apple.com>
28619
28620         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28621         HARD_REGISTER_NUM_P.
28622
28623 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28624
28625         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28626         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28627         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28628         eq/ne Y".
28629
28630 2007-01-01  Mike Stump  <mrs@apple.com>
28631
28632         * configure.ac: Remove support for building with Apple's gcc-3.1.
28633
28634 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28635
28636         PR middle-end/30311
28637         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28638         REG is a hard register.  Do not modify REG before calling
28639         subreg_nregs.
28640         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28641         multiple of the size of YMODE for certain lowpart cases.
28642
28643 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28644
28645         PR middle-end/30253
28646         * gimplify (voidify_wrapper_expr): Update for
28647         GIMPLE_MODIFY_STMT.
28648
28649 2007-01-01  Andreas Schwab  <schwab@suse.de>
28650
28651         PR target/29166
28652         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28653         save of BR0 in extra_spill_size instead of spill_size.
28654         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28655         area.
28656         (ia64_expand_epilogue): Restore BR0 from its new location.
28657
28658 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28659
28660         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28661         Use a temporary variable if the left hand side is not a gimple
28662         register.
28663
28664 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28665
28666         * gimplify.c (gimplify_return_expr): Make the temporary variable
28667         for the return expression, a gimple register variable.
28668
28669 2007-01-01  Jan Hubicka  <jh@suse.cz>
28670
28671         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28672         INSN_LIST.
28673
28674 2007-01-01  Mike Stump  <mrs@apple.com>
28675
28676         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28677         .literal16.
28678         * config/darwin.c (machopic_select_rtx_section): Use
28679         HAVE_GAS_LITERAL16.
28680         (darwin_mergeable_constant_section): Likewise.
28681         * configure: Regenerate.
28682         * config.in: Regenerate.
28683
28684 2007-01-01  Jan Hubicka  <jh@suse.cz>
28685             Andrew Pinski  <pinskia@gmail.com>
28686
28687         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
28688         before starting IPA passes.