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PR target/18989
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-04-25  Anatoly Sokolov <aesok@post.ru>
2
3         PR target/18989
4         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
5
6 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
7
8         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
9         rounding mode to be specified by the caller.
10         (real_to_mpfr) Likewise.
11         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
12         include new arguments.
13         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
14
15 2007-04-24  Ian Lance Taylor  <iant@google.com>
16
17         PR tree-optimization/31605
18         * tree-vrp.c (set_value_range): Check that min and max are not
19         both overflow infinities.
20         (set_value_range_to_value): New static function.
21         (extract_range_from_binary_expr): Call set_value_range_to_value.
22         (extract_range_from_cond_expr): Likewise.
23         (extract_range_from_expr): Likewise.
24         (extract_range_from_unary_expr): Likewise.  Don't create a range
25         which overflows on both sides.
26         (vrp_meet): Check for a useless range.
27         (vrp_visit_phi_node): If we see a constant which looks like an
28         overflow infinity, turn off the TREE_OVERFLOW flag.
29
30 2007-04-24  Ian Lance Taylor  <iant@google.com>
31
32         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
33
34 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
35
36         PR diagnostic/25923
37         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
38         diagnostic message is being built.
39         * tree-pretty-print.c (dump_generic_node): Only write the
40         formatted text into BUFFER's stream if we are not building a
41         diagnostic message.
42         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
43         dump_generic_node.
44         * Makefile.in (toplev.o): Depend on tree-pass.h.
45
46 2007-04-24  Ian Lance Taylor  <iant@google.com>
47
48         PR tree-optimization/31602
49         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
50         conditionals in the copied loop header.
51         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
52         warnings if TREE_NO_WARNING is set.
53         * doc/invoke.texi (Warning Options): Clarify that
54         -Wstrict-overflow does not warn about loops.
55
56 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
57
58         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
59         expand on the comment about _Decimal128 arguments and check the
60         integer result of the modulus operation; for 64-bit ELF ABI, ensure
61         that _Decimal128 argument uses even/odd register pair.
62         (function_arg): Ditto.
63
64 2007-04-24  Hui-May Chang <hm.chang@apple.com>
65
66         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
67         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
68
69 2007-04-24  Richard Guenther  <rguenther@suse.de>
70             Olga Golovanevsky  <olga@il.ibm.com>
71
72         * fold-const.c (multiple_of_p): Check for bottom 
73         to be zero. 
74
75 2007-04-24  Richard Henderson  <rth@redhat.com>
76
77         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from 
78         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
79         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
80         looking for non-zero bits shifted out.  Avoid a recursive call
81         when constructing the scalar.
82         (__floatundisf): Likewise.
83
84 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
85
86         * dwarf2out.c (field_byte_offset): Move the existing logic
87         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
88         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
89
90 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
91
92         PR target/31641
93         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
94         argument of 0 for memset.
95         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
96         unsigned shift instead of the signed variant.
97
98 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
99
100         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
101         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
102         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
103         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
104         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
105         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
106         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
107         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
108         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
109         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
110         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
111         "mul<mode>3", "div<mode>3"): Insn definitions added.
112         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
113         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
114         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
115         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
116         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
117         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
118         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
119         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
120         TARGET_FLOAT_FORMAT): Macro definitions removed.
121         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
122         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
123         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
124         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
125         (s390_gen_rtx_const_DI): Function removed.
126         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
127
128 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
129
130         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
131         over an external ffs function.
132
133 2007-04-24  Chao-ying Fu  <fu@mips.com>
134             Richard Sandiford  <richard@nildram.co.uk>
135
136         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
137         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
138         (smadd_widen_optab, umadd_widen_optab): Define.
139         * optabs.c (init_optabs): Initialize smadd_widen_optab and
140         umadd_widen_optab.
141         * genopinit.c (optabs): Fill in smadd_widen_optab and
142         umadd_widen_optab.
143         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
144         and umadd_widen_optab to implement multiply-add sequences.
145         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
146         (<u>maddsidi4): ...this.  Extend condition to include
147         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
148         of operand 0 to "ka" and use the three-operand form of madd<u>
149         for TARGET_DSPR2.
150         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
151         to define_expands.
152         * config/mips/constraints.md (ka): New register constraint.
153
154 2007-04-24  Jan Hubicka  <j@suse.cz>
155
156         Revert:
157
158         2007-04-23  Jan Hubicka  <jh@suse.cz>
159         * function.c (init_function_start): Don't init line number info.
160         (expand_function_end): Update.
161         (reset_block_changes, record_block_change, finalize_block_changes,
162         check_block_change, free_block_changes): Kill.
163         * function.h (reset_block_changes, record_block_change,
164         finalize_block_changes, check_block_change, free_block_changes): Remove
165         prototypes.
166         (struct function): Remove ib_boundaries_block.
167         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
168         Use curr_insn_locator to initialize locator.
169         (emit_line_note): Remove.
170         * cfgexpand.c (expand_gimple_cond_expr): Update.
171         (construct_exit_block): Likewise.
172         (tree_expand_cfg): Initialize/finalize locators.
173         * expr.c (expand_expr_real): Update.
174         * cfglayout.c (line_locators_locs, line_locators_lines,
175         file_locators_locs, file_locators_files): Remove.
176         (set_block_levels): Move to cfgexpand.c.
177         (insn_locators_initialize): Remove.
178         (pass_insn_locators_initialize): Remove.
179         (locations_locators_locs, locations_locators_vals): New static vars.
180         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
181         Likewise.
182         (insn_locators_alloc, insn_locators_finalize,
183         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
184         New functions.
185         (locator_location): New.
186         (locator_line, locator_file): Rewrite.
187         * rtl.h (emit_line_note): Kill.
188         (insn_locators_alloc, insn_locators_finalize,
189         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
190         Declare.
191         * tree-inline.c (initialize_cfun): Do not initialize
192         ib_boundaries_block.
193         * passes.c (pass_insn_locators_initialize): Remove.
194
195 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
196
197         * doc/invoke.texi: Removed leading '-' from option index entries.
198
199 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
200
201         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
202         Use phi_nodes_ptr.
203         (create_phi_node): Use set_phi_nodes.
204         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
205         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
206         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
207         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
208         (bsi_start, bsi_last): Use bb_stmt_list.
209         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
210         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
211         Traverse the statements using tsi iterator.
212         * basic-block.h (struct basic_block_def): Fields stmt_list
213         and phi_nodes moved to ...
214         (struct tree_bb_info): ... new structure.
215         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
216         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
217         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
218         (tree_verify_flow_info): Verify that il.tree is not set for
219         entry and exit block.
220         (tree_split_block): Use set_bb_stmt_list.
221
222 2007-04-23  Mike Stump  <mrs@apple.com>
223
224         * config/i386/i386.c (ix86_tune_features
225         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
226         nocona and core2.
227
228 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
229
230         * config/i386/i386.md (prefix_extra): New attribute.
231         (length): Add prefix_extra.
232
233         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
234         (sse2_movntv2di): Likewise.
235         (sse2_cvtps2dq): Likewise.
236         (sse2_cvtpd2pi): Likewise.
237         (sse2_cvttpd2pi): Likewise.
238         (*sse2_cvtpd2ps): Likewise.
239         (*add<mode>3): Likewise.
240         (sse2_ssadd<mode>3): Likewise.
241         (sse2_usadd<mode>3): Likewise.
242         (*sub<mode>3): Likewise.
243         (sse2_sssub<mode>3): Likewise.
244         (sse2_ussub<mode>3): Likewise.
245         (*mulv8hi3): Likewise.
246         (*smulv8hi3_highpart): Likewise.
247         (*umulv8hi3_highpart): Likewise.
248         (sse2_umulv2siv2di3): Likewise.
249         (sse2_pmaddwd): Likewise.
250         (ashr<mode>3): Likewise.
251         (lshr<mode>3): Likewise.
252         (ashl<mode>3): Likewise.
253         (sse2_ashlti3): Likewise.
254         (sse2_lshrti3): Likewise.
255         (*umaxv16qi3): Likewise.
256         (*smaxv8hi3): Likewise.
257         (*uminv16qi3): Likewise.
258         (*sminv8hi3): Likewise.
259         (sse2_eq<mode>3): Likewise.
260         (sse2_gt<mode>3): Likewise.
261         (*and<mode>3): Likewise.
262         (sse2_nand<mode>3): Likewise.
263         (*ior<mode>3): Likewise.
264         (*xor<mode>3): Likewise.
265         (sse2_packsswb): Likewise.
266         (sse2_packssdw): Likewise.
267         (sse2_packuswb): Likewise.
268         (sse2_punpckhbw): Likewise.
269         (sse2_punpcklbw): Likewise.
270         (sse2_punpckhwd): Likewise.
271         (sse2_punpcklwd): Likewise.
272         (sse2_punpckhdq): Likewise.
273         (sse2_punpckldq): Likewise.
274         (sse2_punpckhqdq): Likewise.
275         (sse2_punpcklqdq): Likewise.
276         (*sse2_pinsrw): Likewise.
277         (*sse2_pextrw): Likewise.
278         (sse2_pshufd_1): Likewise.
279         (sse2_uavgv16qi3): Likewise.
280         (sse2_uavgv8hi3): Likewise.
281         (sse2_psadbw): Likewise.
282         (sse2_pmovmskb): Likewise.
283         (*sse2_maskmovdqu): Likewise.
284         (*sse2_maskmovdqu_rex64): Likewise.
285         (sse4a_extrqi): Likewise.
286         (sse4a_extrq): Likewise.
287         (sse3_lddqu): Set prefix_rep.
288         (sse3_addsubv4sf3): Likewise.
289         (sse3_haddv4sf3): Likewise.
290         (sse3_hsubv4sf3): Likewise.
291         (sse_cvtss2si): Likewise.
292         (sse_cvtss2si_2): Likewise.
293         (sse_cvtss2siq): Likewise.
294         (sse_cvtss2siq_2): Likewise.
295         (sse_cvttss2si): Likewise.
296         (sse_cvttss2siq): Likewise.
297         (sse2_cvttps2dq): Likewise.
298         (sse3_movshdup): Likewise.
299         (sse3_movsldup): Likewise.
300         (sse2_cvtsd2si): Likewise.
301         (sse2_cvtsd2si_2): Likewise.
302         (sse2_cvtsd2siq): Likewise.
303         (sse2_cvtsd2siq_2): Likewise.
304         (sse2_cvttsd2si): Likewise.
305         (sse2_cvttsd2siq): Likewise.
306         (*sse2_cvtpd2dq): Likewise.
307         (*sse2_cvttpd2dq): Likewise.
308         (sse2_pshuflw_1): Likewise.
309         (sse2_pshufhw_1): Likewise.
310         (sse4a_insertqi): Likewise.
311         (sse4a_insertq): Likewise.
312         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
313         (ssse3_phadddv4si3): Likewise.
314         (ssse3_phaddswv8hi3): Likewise.
315         (ssse3_phsubwv8hi3): Likewise.
316         (ssse3_phsubdv4si3): Likewise.
317         (ssse3_phsubswv8hi3): Likewise.
318         (ssse3_pmaddubswv8hi3): Likewise.
319         (ssse3_pmulhrswv8hi3): Likewise.
320         (ssse3_pshufbv16qi3): Likewise.
321         (ssse3_psign<mode>3): Likewise.
322         (ssse3_palignrti): Likewise.
323         (abs<mode>2): Likewise.
324         (ssse3_phaddwv4hi3): Set prefix_extra.
325         (ssse3_phadddv2si3): Likewise.
326         (ssse3_phaddswv4hi3): Likewise.
327         (ssse3_phsubwv4hi3): Likewise.
328         (ssse3_phsubdv2si3): Likewise.
329         (ssse3_phsubswv4hi3): Likewise.
330         (ssse3_pmaddubswv4hi3): Likewise.
331         (ssse3_pmulhrswv4hi3): Likewise.
332         (ssse3_pshufbv8qi3): Likewise.
333         (ssse3_psign<mode>3): Likewise.
334         (ssse3_palignrdi): Likewise.
335         (abs<mode>2): Likewise.
336         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
337         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
338         (sse2_pmovmskb): Set mode to SI instead of V2DF.
339
340 2007-04-23  Nick Clifton  <nickc@redhat.com>
341
342         * params.def: Fix formatting of emacs local variables.
343
344 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
345
346         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
347         move if inter-unit move isn't allowed.
348         Don't split moving the first element of V2DI to DI to inter-unit
349         move if inter-unit move isn't allowed.
350
351 2007-04-23  Richard Guenther  <rguenther@suse.de>
352
353         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
354         and CDI_POST_DOMINATORS separately.
355
356 2007-04-23  Nick Clifton  <nickc@redhat.com>
357
358         * c.opt (Wformat-contains-nul): Add warning attribute.
359
360 2007-04-23  Jan Hubicka  <jh@suse.cz>
361
362         * function.c (init_function_start): Don't init line number info.
363         (expand_function_end): Update.
364         (reset_block_changes, record_block_change, finalize_block_changes,
365         check_block_change, free_block_changes): Kill.
366         * function.h (reset_block_changes, record_block_change,
367         finalize_block_changes, check_block_change, free_block_changes): Remove
368         prototypes.
369         (struct function): Remove ib_boundaries_block.
370         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
371         Use curr_insn_locator to initialize locator.
372         (emit_line_note): Remove.
373         * cfgexpand.c (expand_gimple_cond_expr): Update.
374         (construct_exit_block): Likewise.
375         (tree_expand_cfg): Initialize/finalize locators.
376         * expr.c (expand_expr_real): Update.
377         * cfglayout.c (line_locators_locs, line_locators_lines,
378         file_locators_locs, file_locators_files): Remove.
379         (set_block_levels): Move to cfgexpand.c.
380         (insn_locators_initialize): Remove.
381         (pass_insn_locators_initialize): Remove.
382         (locations_locators_locs, locations_locators_vals): New static vars.
383         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
384         Likewise.
385         (insn_locators_alloc, insn_locators_finalize,
386         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
387         New functions.
388         (locator_location): New.
389         (locator_line, locator_file): Rewrite.
390         * rtl.h (emit_line_note): Kill.
391         (insn_locators_alloc, insn_locators_finalize,
392         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
393         Declare.
394         * tree-inline.c (initialize_cfun): Do not initialize
395         ib_boundaries_block.
396         * passes.c (pass_insn_locators_initialize): Remove.
397
398 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
399
400         PR middle-end/31448
401         * expr.c (reduce_to_bit_field_precision): Handle
402         CONST_INT rtx's.
403
404 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
405
406         PR tree-optimization/24659
407         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
408         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
409         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
410         * genopinit.c (optabs): Rename vec_pack_mod_optab
411         to vec_pack_trunc_optab.
412         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
413         early for scalar floating point operands for NOP_EXPR.
414         (vectorizable_type_promotion): Ditto.
415         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
416         vec_pack_trunc_optab.
417         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
418
419         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
420         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
421         Rename from VEC_PACK_MOD_EXPR.
422         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
423         * expr.c (expand_expr_real_1): Ditto.
424         * tree-inline.c (estimate_num_insns_1): Ditto.
425         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
426
427         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
428         (vec_unpacks_lo_v4sf): Ditto.
429         (vec_pack_trunc_v2df): Ditto.
430         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
431         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
432         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
433
434         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
435         vec_pack_mod_v8hi.
436         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
437
438         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
439         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
440         packing of floating point operands.
441         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
442         represent unpacking of floating point operands.
443         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
444         [vec_unpacks_hi]: Ditto.
445         [vec_unpacks_lo]: Ditto.
446
447 2007-04-22  Jan Hubicka  <jh@suse.cz>
448
449         * final.c (rest_of_handle_final): Call
450         targetm.asm_out.constructor/targetm.asm_out.destructor
451         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
452         proper priority via decl_*_priority_insert.
453         * c-common.c (c_expand_body): Likewise.
454
455 2007-04-22  Richard Guenther  <rguenther@suse.de>
456
457         PR tree-optimization/29789
458         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
459         (rewrite_reciprocal): New helper split out from
460         determine_invariantness_stmt.
461         (rewrite_bittest): Likewise.
462         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
463         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
464         is not.
465
466 2007-04-22  Revital Eres  <eres@il.ibm.com>
467
468         * loop-unroll.c (var_to_expand): New field to support also
469         insns of the form x = something + x.
470         (analyze_insn_to_expand_var): Use it.
471         (expand_var_during_unrolling): Likewise.
472
473 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
474
475         * predict.c: Include pointer-set.h.
476         (bb_predictions): New variable.
477         (tree_predicted_by_p, tree_predict_edge,
478         remove_predictions_associated_with_edge): Use bb_predictions map
479         instead of bb->predictions.
480         (clear_bb_predictions, assert_is_empty): New functions.
481         (combine_predictions_for_bb): Use bb_predictions map.  Call
482         clear_bb_predictions.
483         (tree_estimate_probability): Create and free bb_predictions map.
484         * Makefile.in (predict.o): Add pointer-set.h dependency.
485         * basic-block.h (struct basic_block_def): Remove predictions
486         field.
487         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
488
489 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
490
491         PR target/31480
492         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
493         is null.
494
495 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
496
497         * timevar.c (timevar_print): Change reference of --disable-checking to
498         --enable-checking=release.  Also warn if assert checking is disabled.
499
500 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
501
502         PR C/30265
503         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
504         decl as addressable if the compound literal was marked as
505         addressable.
506         Mark the decl as a gimple register if it is a complex or
507         vector decl and does not live in memory.
508
509 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
510
511         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
512         (GENERIC_NEXT): New function macro.
513         (PHI_CHAIN): Use phi_node's new chain variable.
514         (tree_phi_node): Change tree_common to tree_base
515         and add the chain field.
516         * tree-phinodes.c (make_phi_node): Don't set
517         TREE_TYPE on the new node.
518         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
519         instead of checking GIMPLE_TUPLE_P in chain_next.
520         * tree-vect-transform.c
521         (get_initial_def_for_induction): Look at
522         PHI_RESULT_TREE for the type of the phi node.
523         (update_vuses_to_preheader): Use PHI_CHAIN
524         instead of TREE_CHAIN on the phi node.
525         * tree-ssa-structalias.c (compute_points_to_sets):
526         Likewise.
527         (ipa_pta_execute): Likewise.
528
529 2007-04-21  Richard Guenther  <rguenther@suse.de>
530
531         PR middle-end/31136
532         * fold-const.c (fold_unary): Call fold_convert_const on the
533         original tree.
534
535 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
536
537         * gcse.c (store_killed_in_insn): Handle PARALLELs.
538         (store_killed_in_pat): New.
539
540 2007-04-20  Richard Henderson  <rth@redhat.com>
541
542         PR target/31628
543         * config/i386/i386.c (type_has_variadic_args_p): Look for any
544         TREE_LIST with a void_type_node value, not void_list_node exactly.
545
546 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
547
548         * doc/standards.texi: Re-arrange into language-specific
549         subsections. Add a C++ section, documenting which standards we
550         support.
551
552 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
553
554         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
555         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
556
557 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
558
559         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
560         ecrti.o and crtbegin.o.
561         (LIB_DEFAULT_SPEC): Include -lc.
562         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
563
564 2007-04-20  Richard Henderson  <rth@redhat.com>
565
566         PR target/28623
567         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
568         argument; update all callers.
569         (get_unaligned_offset): New.
570         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
571         get_unaligned_address, just pass on the address directly.
572         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
573         the subreg in the helper patterns.
574         (unaligned_extendqidi_le): Use get_unaligned_offset.
575         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
576         (unaligned_extendhidi_be): Likewise.
577         (unaligned_extendhidi): Tidy.
578         * config/alpha/alpha-protos.h: Update.
579
580 2007-04-20  Richard Henderson  <rth@redhat.com>
581
582         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
583         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
584         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
585         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
586         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
587         (CPP_SPEC): Don't include %(cpp_subtarget).
588         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
589         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
590         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
591
592 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
593
594         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
595         for __builtin_ia32_cmpordss.
596
597         PR tree-optimization/31632
598         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
599         and arg1 for optimizations of comparison against min/max values.
600         Fold arg0 to arg1's type for optimizations of comparison against
601         min+1 and max-1 values.
602
603 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
604
605         * reload.c (combine_reloads): When trying to use a dying register,
606         check whether it's uninitialized and don't use if so.
607
608 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
609
610         * fold-const.c: Remove prototypes for native_encode_expr and
611         native_interpret_expr.
612         (native_encode_expr): Make non-static.
613         (native_interpret_expr): Likewise.
614         * tree.h: Add prototypes for the above.
615
616 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
617
618         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
619         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
620         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
621         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
622         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
623         Add length attributes.
624
625 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
626
627         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
628         not that it is 1.
629
630         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
631         __STDC_WANT_DEC_FP__.
632
633 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
634
635         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
636         for long double compatibility.
637         * configure: Regenerate.
638
639 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
640
641         PR rtl-optimization/29841
642         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
643         trap instructions.
644         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
645         that may cause control flow transfer from being moved.
646
647 2007-04-18  Jan Hubicka  <jh@suse.cz>
648
649         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
650         types.
651
652 2007-04-18  Eric Christopher  <echristo@apple.com>
653
654         * config/rs6000/darwin.md (load_macho_picbase): Use link register
655         only. Update operands.
656         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
657         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
658         link register to pic register.
659
660 2007-04-18  Dirk Mueller  <dmueller@suse.de>
661
662         PR diagnostic/31227
663         * tree-vrp.c (search_for_addr_array): New.
664         (check_array_bounds): Suppress warning about
665         address taken of array refs if its not de-referenced.
666
667 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
668
669         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
670         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
671
672         * tree-vectorizer.h (NITERS_KNOWN_P): New.
673         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
674         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
675
676         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
677         dump print.
678         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
679         print message.
680         (vect_analyze_scalar_cycles): Fix indentation.
681         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
682         (vect_mark_relevant): Include phis in relevance analysis.
683
684         * tree-vect-transform.c (vect_transform_loop): Add an assert.
685
686 2007-04-18  Anatoly Sokolov <aesok@post.ru>
687
688         * config/avr/avr.c (ptrreg_to_str): Replace error() with
689         output_operand_lossage().
690
691 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
692
693         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
694         the unused code for reduction without adjust-in-epilog to simplify the
695         function.
696
697 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
698
699         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
700         (S390_TDC_NEGATIVE_ZERO): New constant.
701         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
702         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
703         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
704         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
705         (S390_TDC_POSITIVE_INFINITY): New constant.
706         (S390_TDC_NEGATIVE_INFINITY): New constant.
707         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
708         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
709         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
710         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
711         (S390_TDC_INFINITY): New constant.
712         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
713         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
714         optimization for UNSPEC_CCZ_TO_INT.
715         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
716         ("*ccz_to_int"): New insn.
717         ("isinf<mode>2"): New insn.
718         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
719         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
720         (UNSPEC_CCZ_TO_INT): New constant.
721
722 2007-04-18  Richard Guenther  <rguenther@suse.de>
723
724         PR tree-optimization/19431
725         PR tree-optimization/21463
726         * tree-pass.h (pass_phiprop): Declare.
727         * passes.c (init_optimization_passes): New phiprop pass.
728         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
729         (phivn_valid_p): New helper function.
730         (phiprop_insert_phi): Likewise.
731         (propagate_with_phi): Likewise.
732         (tree_ssa_phiprop): New propagator propagating loads
733         through phi nodes if profitable.
734
735 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
736
737         * tree-vect-analyze.c (process_use): New function.
738         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
739         Check phis in all bbs.
740         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
741         assert.
742
743 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
744
745         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
746         we use REG_EQUAL.
747
748 2007-04-17  Anatoly Sokolov <aesok@post.ru>
749
750         PR target/30483
751         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
752         error().
753
754 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
755
756         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
757         on "0".
758         (sse_vmmulv4sf3): Likewise.
759         (sse2_vmaddv2df3): Likewise.
760         (sse2_vmmulv2df3): Likewise.
761
762 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
763
764         PR rtl-optimization/31360
765         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
766         (target_reg_cost): New.
767         (init_set_costs): Initialize target_reg_cost.  Add comments
768         regarding the rationale of the costs.
769         (global_cost_for_size): Renamed to...
770         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
771         of register pressure.
772         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
773         estimate_reg_pressure_cost.  Add number of ivs.
774         (determine_set_costs): Dump target_reg_cost.
775         * loop-invariant.c (gain_for_invariant):  Use
776         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
777         (best_gain_for_invariant, find_invariants_to_move): Remove
778         n_inv_uses.
779         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
780         (target_reg_cost): Declare.
781         (global_cost_for_size): Declaration removed.
782         (estimate_reg_pressure_cost): Declare.
783
784 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
785
786         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
787         regnos into even/odd register pairs.
788         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
789         TDmode similar to the other floating point modes.
790         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
791         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
792         define_expand's.
793         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
794         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
795         (movdd_hardfloat64): Use TARGET_MFPGPR.
796
797 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
798
799         * reload1.c (delete_output_reload): Don't count output in n_inherited.
800
801         Revert
802         2005-01-05  Richard Henderson  <rth@redhat.com>
803         PR rtl-opt/10692
804         * reload1.c (do_input_reload): Restrict the optimization deleteing
805         a previous output reload to RELOAD_FOR_INPUT.
806
807 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
808
809         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
810         induc_vec_info_type.
811         (vectorizable_induction): New function declaration.
812         * tree-vect-transform.c (get_initial_def_for_induction): No need to
813         check if already vectorized.  Find first place in BB where new stmts
814         can be inserted.  Takes only one argument.
815         (vectorizable_induction): New function.
816         (vect_transform_stmt): Add case for induc_vec_info_type to call
817         vectorizable_induction.
818         (vect_transform_loop): Consider phis for vectorization.
819         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
820         condition.
821         (analyze_operations): Call vectorizable_induction when analyzing phis.
822         Fix comment.
823         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
824         (vect_mark_relevant): Include phis in relevance analysis.
825         (vect_mark_stmts_to_be_vectorize): Likewise.
826         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
827
828 2007-04-16  Lawrence Crowl  <crowl@google.com>
829
830         * doc/invoke.texi (Debugging Options): Add documentation for the
831         -femit-struct-debug options -femit-struct-debug-baseonly,
832         -femit-struct-debug-reduced, and
833         -femit-struct-debug-detailed[=...].
834
835         * c-opts.c (c_common_handle_option): Add
836         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
837         and OPT_femit_struct_debug_detailed_.
838         * c.opt: Add specifications for
839         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
840         and -femit-struct-debug-detailed[=...].
841         * opts.c (set_struct_debug_option): Parse the
842         -femit-struct-debug-... options.
843         * opts.c (matches_main_base, main_input_basename,
844         main_input_baselength, base_of_path, matches_main_base): Add
845         variables and functions to compare header base name to compilation
846         unit base name.
847         * opts.c (should_emit_struct_debug): Add to determine to emit a
848         structure based on the option.
849         (dump_struct_debug) Also disabled function to debug this
850         function.
851         * opts.c (handle_options): Save the base name of the
852         compilation unit.
853
854         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
855         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
856         This hook indicates if a type is generic.  Set it by default
857         to "never generic".
858         * langhooks.h (struct lang_hooks_for_types): Add a new hook
859         to determine if a struct type is generic or not.
860         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
861         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
862         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
863         with live C++ hook.
864
865         * flags.h (enum debug_info_usage): Add an enumeration to describe
866         a program's use of a structure type.
867         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
868         to indicate the program's usage of the type.  Filter structs based
869         on the -femit-struct-debug-... specification.
870         (gen_type_die): Split into two routines, gen_type_die and
871         gen_type_die_with_usage.  gen_type_die is now a wrapper
872         that assumes direct usage.
873         (gen_type_die_with_usage): Replace calls to gen_type_die
874         with gen_type_die_with_usage adding the program usage of
875         the referenced type.
876         (dwarf2out_imported_module_or_decl): Suppress struct debug
877         information using should_emit_struct_debug when appropriate.
878
879 2007-04-16  Ian Lance Taylor  <iant@google.com>
880
881         PR tree-optimization/31522
882         * tree-vrp.c (vr_phi_edge_counts): New static variable.
883         (vrp_initialize): Allocate vr_phi_edge_counts.
884         (vrp_visit_phi_node): Don't push to infinity if we saw a new
885         executable edge.  Drop test for all constants.
886         (vrp_finalize): Free vrp_phi_edge_counts.
887
888         * doc/cpp.texi (Common Predefined Macros): Clarify description of
889         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
890
891         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
892         predecessors at head rather than tail.
893
894 2007-04-16  Matthias Klose  <doko@debian.org>
895
896         * config/alpha/linux.h (CPP_SPEC): Define.
897         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
898
899 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
900
901         * function.h: Remove sequence_stack extern declaration.
902
903 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
904
905         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
906         TARGET_FIDOA.
907         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
908         defined.
909
910 2007-04-16  Anatoly Sokolov <aesok@post.ru>
911
912         * config/avr/avr.c (avr_arch_types): Rearranging  array.
913         (enum avr_arch): Add.
914         (avr_mcu_types): Use avr_arch enumeration constants instead of
915         numbers.
916         * config/avr/avr.h (LINK_SPEC): Simplify.
917
918 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
919
920         * config/m68k/m68k.c (m68k_libcall_value,
921         m68k_function_value): Use macros for register names more.
922
923         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
924         instead.
925         (M68K_REGNAME): Use A6_REG.
926         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
927
928 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
929
930         PR middle-end/28071
931         * sched-int.h (struct deps): Split field 'pending_lists_length' into
932         'pending_read_list_length' and 'pending_write_list_length'.  Update
933         comment.
934         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
935         to handle two length counters instead of one.  Update all uses.
936         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
937         two length counters instead of one.
938         * sched-rgn.c (propagate_deps): Update to handle two length counters
939         instead of one.
940
941 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
942
943         PR target/31582
944         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
945         copy of source, pass it to ix86_expand_vector_set and return
946         it as target.
947
948 2007-04-16  David Ung  <davidu@mips.com>
949             Joseph Myers  <joseph@codesourcery.com>
950
951         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
952         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
953         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
954         Add 74K processor information.
955         * config/mips/mips.md: Include 74k.md.
956         (cpu): Add 74kc,74kf,74kx.
957         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
958         * config/mips/74k.md: New.
959         * doc/invoke.texi (MIPS Options): Document 74K support.
960
961 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
962
963         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
964         vectorizable_* functions.
965         * tree-vect-transform.c (vectorizable_call): Add check for
966         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
967         (vectorizable_store): likewise.
968         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
969         Add comments.
970         (vectorizable_operation, vectorizable_type_demotion): Likewise.
971         (vectorizable_type_promotion, vectorizable_load): Likewise.
972         (vectorizable_live_operation, vectorizable_condition): Likewise.
973         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
974         STMT_VINFO_LIVE_P.
975         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
976
977 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
978
979         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
980         register numbers more.
981         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
982         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
983         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
984         FUNCTION_VALUE_REGNO_P): Likewise.
985         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
986         STATIC_CHAIN_REGNUM): Likewise.
987         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
988         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
989         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
990         * config/m68k/m68k.md (FP_REG): New.
991
992 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
993
994         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
995         alignment on fido.
996
997 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
998
999         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
1000         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
1001         comment typos.
1002
1003 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1004
1005         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
1006         cold loops.
1007
1008 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1009
1010         PR c/31520
1011         * c-decl.c (finish_decl): Grab the type of the decl after the call
1012         to store_init_value.
1013
1014 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
1015
1016         * common.opt (fforward-propagate): Fix "Optimization" annotation.
1017
1018 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
1019
1020         PR c++/25874
1021         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
1022         post dominators and cleanup cfg before returning.
1023
1024 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
1025
1026         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
1027         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
1028
1029 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
1030
1031         * config.gcc: Recognize fido.
1032         * config/m68k/m68k-devices.def (fidoa): New.
1033         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
1034         __mfido__.
1035         (FL_FIDOA, TARGET_FIDOA): New.
1036         * config/m68k/m68k.opt (mfidoa): New.
1037
1038 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1039
1040         PR middle-end/31322
1041         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
1042         when a personality function is used.
1043
1044 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
1045
1046         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
1047
1048 2007-04-13  Mike Stump  <mrs@apple.com>
1049
1050         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
1051         we can...
1052         * config/darwin.opt (fapple-kext): Make C++ only.
1053         * config/darwin.c (darwin_override_options): Remove code to ensure
1054         -fapple-kext is given for C++ only.
1055
1056 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
1057
1058         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
1059         * config/mips/mips.c (override_options): Call
1060         SUBTARGET_OVERRIDE_OPTIONS, if defined.
1061
1062 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1063
1064         * config/i386/i386.opt (msvr3-shlib): Removed.
1065
1066         * doc/invoke.texi: Remove -msvr3-shlib.
1067
1068 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
1069
1070         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
1071         with "popcnt" instruction.
1072
1073 2007-04-13  Richard Guenther  <rguenther@suse.de>
1074
1075         PR tree-optimization/21258
1076         * tree-vrp.c (compare_case_labels): New helper.
1077         (find_switch_asserts): New function.
1078         (find_assert_locations): Call it for SWITCH_EXPRs.
1079
1080 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
1081
1082         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
1083         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
1084         check is now implied in X87_FLOAT_MODE_P.
1085         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1086         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1087         (fix_trunc<mode>_i386_fisttp): Ditto.
1088         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1089         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1090         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1091         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1092         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1093         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1094         (unnamed_splitters): Ditto.
1095         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
1096         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
1097         FIRST_SSE_REG for local functions when SSE math is enabled or
1098         for functions with sseregparm attribute.
1099         (standard_80387_constant_p): Return -1 if mode is not
1100         X87_FLOAT_MODE_P.
1101         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
1102         (ix86_expand_compare): Ditto.
1103         (ix86_expand_carry_flag_compare): Ditto.
1104         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
1105         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
1106         DECIMAL_FLOAT_MODE_P.
1107         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
1108         of SCALAR_FLOAT_MODE_P.
1109         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
1110         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
1111         checks before FLOAT_MODE_P.
1112         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
1113         before FLOAT_MODE_P.
1114         [DIV]: Ditto.
1115         [NEG]: Ditto.
1116         [ABS]: Ditto.
1117         [SQRT]: Ditto.
1118         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
1119
1120 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
1121             Charles Wilson  <libtool@cwilson.fastmail.fm>
1122
1123         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
1124         (libgcc.mvars): Don't depend on them.
1125         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
1126         * exec-tool.in: New.
1127
1128 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
1129
1130         * doc/invoke.text (--help): Document --help=common.
1131
1132 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
1133
1134         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
1135
1136 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1137
1138         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
1139         * genemit.c (main): Emit #include "integrate.h".
1140         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
1141         (LOADGP_RTP): New mips_loadgp_style.
1142         * config/mips/mips.h: Include config/vxworks-dummy.h.
1143         (TARGET_RTP_PIC): New macro.
1144         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
1145         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
1146         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
1147         for TARGET_RTP_PIC.
1148         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
1149         -mvxworks-pic when using -mrtp and a PIC option.
1150         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
1151         for RTP PIC.
1152         (mips_symbolic_constant_p, mips_symbolic_address_p)
1153         (mips_symbol_insns): Handle SYMBOL_HALF.
1154         (override_options): Warn about -G and -mrtp being used together.
1155         Initialize mips_lo_relocs[SYMBOL_HALF].
1156         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
1157         (mips_emit_loadgp): Handle LOADGP_RTP.
1158         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
1159         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
1160         (tablejump): Handle function-relative case table entries if
1161         TARGET_RTP_PIC.
1162         * config/mips/predicates.md (symbol_ref_operand): New predicate.
1163
1164 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1165
1166         * config/mips/mips.md (load_call<mode>): Allow any general register.
1167         destination.
1168         (sibcall_value_internal, sibcall_value_multiple_internal)
1169         (call_value_internal, call_value_split, call_value_multiple_internal)
1170         (call_value_multiple_split): Remove constraints from operand 0.
1171
1172 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1173
1174         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
1175         rather than loadgp_noshared.
1176         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
1177         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
1178         gen_loadgp.
1179         * config/mips/mips.md (loadgp): Rename to...
1180         (loadgp_newabi): ...this.
1181         (loadgp_noshared): Rename to...
1182         (loadgp_absolute): ...this.
1183
1184 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1185
1186         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
1187         false for locally-binding symbols.
1188         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
1189
1190 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1191
1192         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
1193         (SYMBOL_GOT_PAGE_OFST): ...this.
1194         (SYMBOL_GOT_GLOBAL): Rename to...
1195         (SYMBOL_GOT_DISP): ...this.
1196         (SYMBOL_GOTOFF_GLOBAL): Rename to...
1197         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
1198         * config/mips/mips.c (mips_global_symbol_p): New function.
1199         (mips_symbol_binds_local_p): Likewise.
1200         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
1201         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
1202         and mips_symbol_binds_local_p.
1203         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
1204         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
1205         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
1206         SYMBOL_GOTOFF_DISP.
1207         (mips_ok_for_lazy_binding_p): New function.
1208         (mips_load_call_address, mips_expand_call): Use it.
1209         (mips_dangerous_for_la25_p): Likewise.
1210         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
1211         (*got_disp<mode>): Use got_disp_operand instead of
1212         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
1213         SYMBOL_GOTOFF_GLOBAL.
1214         (*got_page<mode>): Use got_page_ofst_operand instead of
1215         local_got_operand.
1216         * config/mips/predicates.md (const_call_insn_operand): Use
1217         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
1218         (global_got_operand): Rename to...
1219         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
1220         SYMBOL_GOT_GLOBAL.
1221         (local_got_operand): Rename to...
1222         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
1223         of SYMBOL_GOT_LOCAL.
1224
1225 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1226
1227         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
1228         TARGET_CALL_CLOBBERED_GP.
1229         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1230         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
1231         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
1232         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
1233         of TARGET_ABICALLS && !TARGET_NEWABI.
1234         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1235         * config/mips/mips.c (mips_load_call_address): Check
1236         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1237         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1238         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
1239         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
1240         TARGET_ABICALLS && TARGET_NEWABI.
1241         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
1242         TARGET_ABICALLS.
1243         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
1244         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
1245         TARGET_ABICALLS && TARGET_NEWABI.
1246         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
1247         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
1248         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
1249         whether indirect calls must use $25.
1250         (mips_extra_live_on_entry): Check TARGET_GOT instead of
1251         TARGET_ABICALLS.
1252         * config/mips/mips.md (jal_macro): Check flag_pic and
1253         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
1254         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
1255         instead of TARGET_ABICALLS.
1256         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
1257         TARGET_ABICALLS && TARGET_OLDABI.
1258         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
1259         (sibcall): In the comment above the define_insn, mention
1260         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
1261         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
1262         instead of TARGET_ABICALLS.
1263
1264 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1265
1266         * doc/md.texi (Blackfin family constraints): Document PA and PB.
1267         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
1268         (MACFLAGS_MATCH_P): New macro.
1269         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
1270         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
1271         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
1272         the other MACFLAG constants.
1273         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
1274         (flag_machi): Tighten constraints.  Renumber some of the operands.
1275         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
1276         output template.
1277         (flag_machi_parts_acconly): New pattern.
1278         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
1279         used.
1280         (flag_macinit1hi): Tighten constraints.
1281         (flag_mul_macv2hi_parts_acconly): New pattern.
1282
1283         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
1284         Use a more efficient implementation.
1285         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
1286         inline sequences when not optimizing for size.
1287
1288         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
1289         movhi_high2low): Delete, merge functionality into...
1290         (packv2hi): ... this pattern.
1291
1292         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
1293         * config/bfin/bfin.opt (msim): New option.
1294         (mcpu=): New option.
1295         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
1296         (bfin_cpu_t): Typedef of enum bfin_cpu.
1297         (bfin_cpu_type): New declaration.
1298         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
1299         -msim and -mcpu= options.
1300         (LIB_SPEC): Likewise.
1301         * config/bfin/bfin.c (bfin_cpu_type): Define.
1302         (bfin_handle_option): Handle -mcpu= option.
1303         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
1304         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
1305         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
1306
1307 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1308
1309         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
1310         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
1311         (powerpc-wrs-vxworksae): Use ${tm_file}.
1312         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
1313         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
1314         * config/i386/vx-common.h: New file.
1315
1316 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
1317
1318         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
1319         of crt0.o%s.
1320
1321 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
1322
1323         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
1324         ldxtr.
1325
1326 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
1327
1328         PR c++/31078
1329         PR c++/31103
1330         * c-common.c (c_build_qualified_type): Set canonical type
1331         appropriately.
1332
1333 2007-04-12  Richard Guenther  <rguenther@suse.de>
1334
1335         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
1336         lower bound and element size if lower bound is not zero
1337         or either of the ARRAY_REF operands is set.
1338
1339 2007-04-12  Richard Guenther  <rguenther@suse.de>
1340
1341         PR tree-optimization/24689
1342         PR tree-optimization/31307
1343         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
1344         indices by value.
1345         * gimplify.c (canonicalize_addr_expr): To be consistent with
1346         gimplify_compound_lval only set operands two and three of
1347         ARRAY_REFs if they are not gimple_min_invariant.  This makes
1348         it never at this place.
1349         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1350
1351 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1352
1353         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
1354         null before emitting a .nsubspa directive.
1355
1356 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1357
1358         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
1359         need_to_partition_p if there are no memory statements in the
1360         function.
1361
1362 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1363
1364         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
1365         (gcd_of_steps_may_divide_p): New function.
1366         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
1367
1368 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1369
1370         * reload.c (find_reloads_toplev, find_reloads_address,
1371         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
1372         not a pointer equality test, to decide if we need to call
1373         push_reg_equiv_alt_mem.
1374
1375 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
1376
1377         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
1378         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
1379         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
1380
1381 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
1382
1383         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
1384         vector to be positive.
1385
1386 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
1387
1388         PR 30735
1389         PR 31090
1390         * doc/invoke.texi: Document --params max-aliased-vops and
1391         avg-aliased-vops.
1392         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
1393         debug_memory_partitions): Move to tree-flow.h
1394         * params.h (AVG_ALIASED_VOPS): Define.
1395         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
1396         users.
1397         (mp_info_t): Likewise.
1398         (get_mem_sym_stats_for): New.
1399         (set_memory_partition): Move from tree-flow-inline.h.
1400         (mark_non_addressable): Only clear the set of symbols for the
1401         partition if it exists.
1402         (dump_memory_partitions): Move from tree-ssa-operands.c
1403         (debug_memory_partitions): Likewise.
1404         (need_to_partition_p): New.
1405         (dump_mem_ref_stats): New.
1406         (debug_mem_ref_stats): New.
1407         (dump_mem_sym_stats): New.
1408         (debug_mem_sym_stats): New.
1409         (update_mem_sym_stats_from_stmt): New.
1410         (compare_mp_info_entries): New.
1411         (mp_info_cmp): Call it.
1412         (sort_mp_info): Change argument to a list of mem_sym_stats_t
1413         objects.
1414         (get_mpt_for): Move from tree-ssa-operands.c.
1415         (find_partition_for): New.
1416         (create_partition_for): Remove.
1417         (estimate_vop_reduction): New.
1418         (update_reference_counts): New.
1419         (build_mp_info): New.
1420         (compute_memory_partitions): Refactor.
1421         Document new heuristic.
1422         Call build_mp_info, update_reference_counts,
1423         find_partition_for and estimate_vop_reduction.
1424         (compute_may_aliases): Populate virtual operands before
1425         calling debugging dumps.
1426         (delete_mem_sym_stats): New.
1427         (delete_mem_ref_stats): New.
1428         (init_mem_ref_stats): New.
1429         (init_alias_info): Call it.
1430         (maybe_create_global_var): Remove alias_info argument.
1431         Get number of call sites and number of pure/const call sites
1432         from gimple_mem_ref_stats().
1433         (dump_alias_info): Call dump_memory_partitions first.
1434         (dump_points_to_info_for): Show how many times a pointer has
1435         been dereferenced.
1436         * opts.c (decode_options): For -O2 set --param
1437         max-aliased-vops to 500.
1438         For -O3 set --param max-aliased-vops to 1000 and --param
1439         avg-aliased-vops to 3.
1440         * fortran/options.c (gfc_init_options): Remove assignment to
1441         MAX_ALIASED_VOPS.
1442         * tree-flow-inline.h (gimple_mem_ref_stats): New.
1443         * tree-dfa.c (dump_variable): Dump memory reference
1444         statistics.
1445         Dump NO_ALIAS* settings.
1446         (referenced_var_lookup): Tidy.
1447         (mem_sym_stats): New.
1448         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
1449         and ORIG are different SSA names for a memory partition.
1450         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
1451         * tree-flow.h (struct mem_sym_stats_d): Define.
1452         (mem_sym_stats_t): Define.
1453         (struct mem_ref_stats_d): Define.
1454         (struct gimple_df): Add field mem_ref_stats.
1455         (enum noalias_state): Define.
1456         (struct var_ann_d): Add bitfield noalias_state.
1457         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
1458         debug_mem_ref_stats, debug_memory_partitions,
1459         debug_mem_sym_stats): Declare.
1460         * tree-ssa-structalias.c (update_alias_info): Update call
1461         sites, pure/const call sites and asm sites in structure
1462         returned by gimple_mem_ref_stats.
1463         Remove local variable IS_POTENTIAL_DEREF.
1464         Increase NUM_DEREFS if the memory expression is a potential
1465         dereference.
1466         Call update_mem_sym_stats_from_stmt.
1467         If the memory references memory, call
1468         update_mem_sym_stats_from_stmt for all the direct memory
1469         symbol references found.
1470         (intra_create_variable_infos): Set noalias_state field for
1471         pointer arguments according to the value of
1472         flag_argument_noalias.
1473         * tree-ssa-structalias.h (struct alias_info): Remove fields
1474         num_calls_found and num_pure_const_calls_found.
1475         (update_mem_sym_stats_from_stmt): Declare.
1476         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
1477         Set default value to 100.
1478         (PARAM_AVG_ALIASED_VOPS): Define.
1479
1480 2007-04-11  Richard Guenther  <rguenther@suse.de>
1481
1482         PR middle-end/31530
1483         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
1484         a * -b + c as c - a * b if we honor sign dependent rounding.
1485
1486 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1487
1488         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
1489         bfin_expand_strmov.
1490         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
1491         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
1492         variables.
1493         (initialize_trampoline): Don't use old-style function definition.
1494         (bfin_secondary_reload): Mark IN_P argument as unused.
1495
1496 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
1497
1498         PR tree-optimization/31343
1499         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
1500         (build_polynomial_chrec): Return a scalar when the evolution is zero.
1501         * testsuite/gcc.dg/vect/pr31343.c: New.
1502
1503 2007-04-10  Eric Christopher  <echristo@apple.com>
1504
1505         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
1506         * config/i386/i386.md (*cmpfp0): Use.
1507         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
1508         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
1509         (fix_trunc<mode>_i386_fisttp): Ditto.
1510         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
1511         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
1512         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
1513         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
1514         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
1515         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
1516         (unnamed_splitters): Ditto.
1517         * config/i386/i386.c (output_fix_trunc): Assert that
1518         we're not being passed a TFmode operand.
1519
1520 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
1521
1522         PR tree-optimization/31526
1523         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
1524         n_basic_blocks to find newly added blocks.
1525
1526 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
1527
1528         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
1529         alternative.
1530         (fix_trunc<mode>si_sse): Ditto.
1531         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
1532         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
1533         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
1534         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
1535         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
1536         expander using SSEMODEF mode macro.
1537         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
1538         expander using SSEMODEF mode macro.
1539         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
1540         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
1541         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
1542         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
1543         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
1544         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
1545         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
1546         Macroize insn using X87MODEF mode macro.
1547
1548 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
1549
1550         * config/i386/sse.md (sse2_pinsrw): Removed.
1551         (sse2_pextrw): Renamed to ...
1552         (*sse2_pextrw): This.
1553
1554 2007-04-09  Jan Hubicka  <jh@suse.cz>
1555
1556         PR target/27869
1557         * config/i386/sse.md
1558         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
1559         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
1560         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
1561         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
1562
1563 2007-04-09  Jan Hubicka  <jh@suse.cz>
1564
1565         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
1566         multiple fields of union.
1567
1568 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
1569
1570         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
1571         (create_preheaders): Check that loops are available.
1572         (fix_loop_structure): Clean up, improve comments.
1573         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
1574         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
1575         state flags.
1576         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
1577         * predict.c (tree_estimate_probability): Do not call
1578         calculate_dominance_info.  Call create_preheaders.
1579         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
1580         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
1581         flags.
1582         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
1583         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
1584         * tree-cfg.c (tree_split_edge): Make an assert more precise.
1585         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
1586         arguments.
1587
1588 2007-04-08  Jan Hubicka  <jh@suse.cz>
1589
1590         * tree.h (maybe_fold_offset_to_component_ref): Declare.
1591         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
1592         * fold-const.c (fold_unary): Use it.
1593
1594 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1595
1596         * varasm.c (assemble_variable): Remove call to
1597         lang_hooks.decls.prepare_assemble_variable.
1598         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
1599         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
1600         * langhooks.h (lang_hooks_for_decls): Remove
1601         prepare_assemble_variable.
1602
1603 2007-04-08  Mike Stump  <mrs@apple.com>
1604
1605         * config/i386/i386.c: Use inc/dec on Core2.
1606
1607 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
1608
1609         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
1610         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1611         lhd_tree_inlining_end_inlining): Remove.
1612         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
1613         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
1614         end_inlining hooks.
1615         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
1616         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
1617         lhd_tree_inlining_end_inlining): Remove prototypes.
1618         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
1619         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
1620         LANG_HOOKS_TREE_INLINING_START_INLINING,
1621         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
1622
1623         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
1624         not set it.
1625
1626 2007-04-08  Anatoly Sokolov <aesok@post.ru>
1627
1628         PR target/29932
1629         * config/avr/predicates.md (io_address_operand): Delete predicate.
1630         (low_io_address_operand): Don't use 'mode' argument.
1631         (higth_io_address_operand): Rename ...
1632         (high_io_address_operand): ... to this. Don't use 'mode' argument.
1633         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
1634         for above change.
1635
1636 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
1637
1638         Revert change removing staticp.
1639
1640 2007-04-07  Anatoly Sokolov <aesok@post.ru>
1641
1642         PR target/30289
1643         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
1644         earlyclobber.
1645
1646 2007-04-07  Bruce Korb  <bkorb@gnu.org>
1647
1648         * c.opt: Add -Wformat-contains-nul.
1649         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
1650           -Wformat setting.
1651         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
1652         the NUL byte warning.
1653
1654 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
1655
1656         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
1657
1658 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1659
1660         * tree.c (staticp): No longer use staticp langhook.
1661         * langhooks.c (lhd_staticp): Removed.
1662         * langhooks.h (struct lang_hooks): Remove staticp.
1663         * c-common.c (c_staticp): Remove.
1664         * c-common.h (c_staticp): Ditto.
1665         * langhooks-defs.h (lhd_staticp): Ditto.
1666         (LHD_HOOKS_STATICP): Ditto
1667         * tree.h (gcc_assert_lowered): New macro.
1668
1669 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1670
1671         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
1672         argument "reliable".
1673         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
1674         Add argument "reliable".  Propagate it through calls.
1675         (infer_loop_bounds_from_undefined):  Derive number of iterations
1676         estimates from references in blocks that do not dominate loop latch.
1677         (gcov_type_to_double_int): New function.
1678         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
1679         and expected_loop_iterations_unbounded.
1680         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
1681         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
1682         * tree-data-ref.c (estimated_loop_iterations): Export.
1683         (get_references_in_stmt): Fix -- do not return addresses of local
1684         objects.
1685         * cfgloop.h (expected_loop_iterations_unbounded,
1686         estimated_loop_iterations): Declare.
1687
1688 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
1689
1690         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1691
1692 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1693
1694         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
1695         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
1696         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
1697         Use output_387_reg_move().
1698         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
1699         expander using X87MODEF12 mode macro.
1700         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
1701         choosing register preferences.  Use output_387_reg_move().
1702         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
1703         instead of "x".  Use output_387_reg_move().
1704         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
1705         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
1706         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
1707         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
1708         Use output_387_reg_move().
1709         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
1710         mode macro.
1711         (*truncxf?f_i387 splitter): Ditto.
1712
1713 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
1714
1715         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
1716         LANG_HOOKS_SAFE_FROM_P.
1717         * expr.c (safe_from_p): Remove langhook call.
1718         * langhooks.h (lang_hooks): Remove safe_from_p.
1719         (lhd_safe_from_p): Remove prototype.
1720         * langhooks.c (lhd_safe_from_p): Remove.
1721
1722 2007-04-06  Jan Hubicka  <jh@suse.cz>
1723
1724         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
1725         functions.
1726
1727 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
1728
1729         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
1730         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
1731         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
1732         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
1733         alternative.
1734         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
1735         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
1736
1737 2007-04-05  Richard Henderson  <rth@redhat.com>
1738
1739         * config/alpha/alpha.c (print_operand) [+]: Remove.
1740         (alpha_end_function): Print nop if call at end of function.
1741         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
1742         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
1743         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
1744         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
1745         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
1746         the call pattern. Update peepholes to match.
1747
1748 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
1749
1750         * doc/extend.texi (Other Builtins): Add decimal float variants
1751         of signbit.
1752         * builtins.def: Ditto.
1753         * builtins.c (expand_builtin): Ditto.
1754
1755 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
1756             H.J. Lu  <hongjiu.lu@intel.com>
1757
1758         PR target/31478
1759         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
1760         of V8HImode when calling ix86_binary_operator_ok.
1761         (sse2_pmaddwd): Call ix86_binary_operator_ok.
1762         (sdot_prodv8hi): Operands 1 and 2 must be register.
1763
1764 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1765
1766         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1767         initialize align to silence bogus warning.
1768
1769 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
1770
1771         PR middle-end/22156
1772         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
1773         all_no_warning.
1774         (struct sra_walk_fns): Remove use_all parameter from use.
1775         (sra_hash_tree): Handle BIT_FIELD_REFs.
1776         (sra_elt_hash): Don't hash bitfld blocks.
1777         (sra_elt_eq): Skip them in parent compares as well.  Handle
1778         BIT_FIELD_REFs.
1779         (sra_walk_expr): Don't maintain or pass down use_all_p.
1780         (scan_use): Remove use_all parameter.
1781         (scalarize_use): Likewise.  Re-expand assignment to
1782         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
1783         output, and re-scalarize after output.  Don't mark anything
1784         for no warning.
1785         (scalarize_ldst): Adjust.
1786         (scalarize_walk_gimple_modify_statement): Likewise.
1787         (build_element_name_1): Handle BIT_FIELD_REFs.
1788         (instantiate_element): Don't warn for any element whose parent
1789         is used as a whole.
1790         (instantiate_missing_elements_1): Return the sra_elt.
1791         (canon_type_for_field): New.
1792         (try_instantiate_multiple_fields): New.
1793         (instantiate_missing_elemnts): Use them.
1794         (mark_no_warning): Removed.
1795         (generate_one_element_ref): Handle BIT_FIELD_REFs.
1796         (REPLDUP, sra_build_elt_assignment): New.
1797         (generate_copy_inout): Use them.
1798         (generate_element_copy): Likewise.  Handle bitfld differences.
1799         (generate_element_zero): Don't recurse for blocks.  Use
1800         sra_build_elt_assignment.
1801         (generate_one_element_int): Take elt instead of var.  Use
1802         sra_build_elt_assignment.
1803         (generate_element_init_1): Adjust.
1804         (scalarize_use, scalarize_copy): Use REPLDUP.
1805         (scalarize_ldst): Move assert before dereference.
1806         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1807
1808 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1809
1810         * regmove.c: Fix unused variable warnings due to previous commit.
1811
1812 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
1813
1814         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
1815         (regmove_bb_head): Remove.
1816         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
1817         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
1818         problems with fixup_match_1.
1819         Don't initialize/free regmove_bb_head.
1820
1821         (reg_is_remote_constant_p): If an insn is in the same basic block
1822         but not before INSN, consider it remote, too.
1823
1824 2007-04-05  Anatoly Sokolov <aesok@post.ru>
1825
1826         PR target/25448
1827         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
1828         DECL_ASSEMBLER_NAME, not the DECL_NAME.
1829
1830 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
1831
1832         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
1833         (CONDITIONAL_REGISTER_USAGE): Likewise.
1834
1835 2007-04-04  Richard Henderson  <rth@redhat.com>
1836
1837         * config/alpha/lib1funcs.asm: Remove unused file.
1838
1839 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1840
1841         PR other/31356
1842         * opts.c (print_specific_help): Fix --help=<language>
1843         header line.
1844         (common_handle_option): Support --help=common.
1845
1846 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1847
1848         PR other/31353
1849         * gcc.c (main): Do not run the linker if
1850         print_subprocess_help indicates that it shouldn't be
1851         run.
1852
1853 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
1854
1855         PR doc/31355
1856         * doc/invoke.texi (--help=): Document <languages> value, fix
1857         formatting in tables of values.
1858
1859 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
1860
1861         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
1862         dllimport attribute of virtual methods.
1863
1864 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
1865
1866         * config/score/crti.asm: Change _bss_start to __bss_start.
1867         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
1868         (OUTGOING_REG_PARM_STACK_SPACE) update.
1869         * config/score/score.opt: add options to make backend support
1870         score5, score5u, score7 and score7d.
1871         * config/score/score.md: Likewise.
1872         * config/score/misc.md: Likewise.
1873         * config/score/mac.md: Likewise.
1874         * doc/invoke.texi: Likewise.
1875         * doc/md.texi: update constraints define.
1876
1877 2007-04-03  Richard Henderson  <rth@redhat.com>
1878
1879         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
1880         an appropriate type, use the mode instead.
1881
1882 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
1883
1884         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
1885         Set the default --with-arch setting to mips2.
1886         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
1887         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
1888         (MULTILIB_OSDIRNAMES): Delete.
1889         (MULTILIB_DIRNAMES): Define.
1890         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
1891         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
1892         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
1893         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
1894         VXWORKS_OS_CPP_BUILTINS.
1895         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
1896         (MIPS_DEBUGGING_INFO): Undefine.
1897         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
1898
1899 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
1900
1901         PR middle-end/30704
1902         * fold-const.c (native_encode_real): Encode real.c provided longs
1903         as a series of 32-bit native integers.
1904         (native_interpret_real): Interpret buffer as a series of 32-bit
1905         native integers.
1906
1907 2007-04-03  Richard Guenther  <rguenther@suse.de>
1908
1909         * genpreds.c (write_insn_constraint_len): Write function
1910         optimized for CONSTRAINT_LEN implementation.
1911         (write_tm_preds_h): Output insn_constraint_len inline and
1912         use it for CONSTRAINT_LEN.
1913         (write_insn_preds_c): Don't output insn_constraint_len.
1914         * doc/md.texi (define_register_constraint): Document multi-letter
1915         constraints shall have the same length if they start with the same
1916         letter.
1917
1918 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1919
1920         PR target/31175
1921         * config/i386/i386.md (isinf<mode>2): Expand only when
1922         TARGET_C99_FUNCTIONS is set.
1923
1924 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
1925
1926         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
1927         (x86_64-*-linux*): Ditto.
1928         * config/i386/i386.opt (mpc): New option.
1929         * config/i386/i386.c (overrride_options): Handle
1930         ix87_precision_string.
1931         * config/i386/crtprec.c: New file.
1932         * config/i386/t-crtpc: Ditto.
1933         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
1934         and -mpc80 options.
1935         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
1936         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
1937         crtprec32.o, crtprec64.o and crtprec80.o.
1938
1939         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
1940         and -mpc80 options.
1941         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
1942
1943 2007-04-02  Eric Christopher  <echristo@apple.com>
1944
1945         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
1946         limitations on darwin.
1947
1948 2007-04-02  Anatoly Sokolov <aesok@post.ru>
1949
1950         PR target/31137
1951         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
1952
1953 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1954
1955         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
1956
1957 2007-04-02  Dave Korn  <dave.korn@artimi.com>
1958
1959         * libgcc2.h (exception_descriptor): Don't forward-declare.
1960         (__get_eh_table_language, __get_eh_table_version): Delete
1961         prototypes of long-dead functions.
1962
1963 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
1964
1965         * ebitmap.h: New file
1966         * ebitmap.c: New file
1967         * Makefile.in (ebitmap.o): New target.
1968
1969 2007-04-01  Jan Hubicka  <jh@suse.cz>
1970
1971         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
1972         before very first instruction.
1973
1974 2007-04-01  Jan Hubicka  <jh@suse.cz>
1975
1976         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
1977         waring on 64bit hosts.
1978         * bitmap.h: Fix typo in bitmap_head_def.
1979
1980 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
1981
1982         PR rtl-optimization/31391
1983         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
1984         into a DELETED_LABEL note, and the label is in an empty basic
1985         block, update BB_END as well as BB_HEAD.
1986
1987 2007-04-01  Richard Henderson  <rth@redhat.com>
1988
1989         PR tree-optimization/31169
1990         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
1991         to varying if the range is outside [0,  prec-1].
1992
1993 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
1994
1995         PR target/31388
1996         * config/mips/mips.md (load_const_gp): New insn.
1997         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
1998         the MIPS16 GP pseudo register if no_new_pseudos.
1999         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
2000
2001 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2002
2003         PR target/31364
2004         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
2005         secureplt.
2006         (call_value): Likewise.
2007
2008 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
2009             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2010
2011         PR 14737
2012         * doc/invoke.texi: (optimization options): Reword description
2013         of -ffast-math. Document its primary purpose.
2014
2015 2007-03-31  Richard Guenther  <rguenther@suse.de>
2016
2017         * omp-low.c (splay-tree.h): Include.
2018         (lookup_decl): Replace splay-tree usage by pointer-map.
2019         (maybe_lookup_decl): Likewise.
2020         (new_omp_context): Likewise.
2021         (delete_omp_context): Likewise.
2022         * gimplify.c (splay-tree.h): Include.
2023         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
2024         pointer-map.
2025         (remap_ssa_name): Likewise.
2026         (remap_decl): Likewise.
2027         (remap_type_1): Likewise.
2028         (remap_type): Likewise.
2029         (copy_body_r): Likewise.
2030         (expand_call_inline): Likewise.
2031         (clone_body): Likewise.
2032         (copy_tree_r): Likewise.
2033         (remap_save_expr): Likewise.
2034         (unsave_r): Likewise.
2035         (unsave_expr_now): Likewise.
2036         (tree_function_versioning): Likewise.
2037         (build_duplicate_type): Likewise.
2038         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
2039         (struct copy_body_data): Replace splay-tree by pointer-map.
2040         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
2041         not $(SPLAY_TREE_H).
2042         (gimplify.o): Depend on $(SPLAY_TREE_H).
2043         (omp-low.p): Likewise.
2044
2045 2007-03-31  Anatoly Sokolov <aesok@post.ru>
2046
2047         * config/avr/predicates.md (even_register_operand,
2048         odd_register_operand): New predicates.
2049         * config/avr/avr.md (movw peephole2): New.
2050         (movw_r peephole2): New.
2051
2052 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
2053
2054         * tree.h (get_signed_or_unsigned_type): New.
2055         * fold-const.c (operand_equal_for_comparison_p): Use
2056         get_signed_or_unsigned_type instead of
2057         lang_hooks.types.signed_or_unsigned_type.
2058         * expr.c (store_expr): Ditto.
2059         * langhooks.c (get_signed_or_unsigned_type): New.
2060         (lhd_signed_or_unsigned_type): New.
2061         * langhooks.h (lhd_signed_or_unsigned_type): New.
2062         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
2063
2064 2007-03-30  Richard Henderson  <rth@redhat.com>
2065
2066         * tree-ssa-loop-ivopts.c: Include target.h.
2067         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
2068         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
2069         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
2070         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
2071
2072 2007-03-30  Richard Henderson  <rth@redhat.com>
2073             Kai Tietz  <kai.tietz@onevision.com>
2074
2075         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
2076         default for 64-bit.
2077         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
2078         (TARGET_64BIT_MS_ABI): New.
2079         (DBX_REGISTER_NUMBER): Handle 64-bit.
2080         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
2081         (LONG_TYPE_SIZE): Force to 32.
2082         (REG_PARM_STACK_SPACE): New.
2083         (OUTGOING_REG_PARM_STACK_SPACE): New.
2084         (REGPARM_MAX, SSE_REGPARM_MAX): New.
2085         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2086         (STACK_BOUNDARY): Use 128 for 64-bit.
2087         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
2088         Add 64-bit implementation.
2089         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
2090         argument unused.
2091         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
2092         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
2093         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
2094         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
2095         (ix86_handle_cconv_attribute): Don't warn when ignoring if
2096         TARGET_64BIT_MS_ABI.
2097         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
2098         (ix86_pass_by_reference): Likewise.
2099         (ix86_function_value_regno_p): Likewise.
2100         (ix86_build_builtin_va_list): Likewise.
2101         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2102         (function_arg_advance_ms_64): New.
2103         (function_arg_advance): Call it.
2104         (function_arg_ms_64): New.
2105         (function_arg): Call it.
2106         (function_value_ms_64): New.
2107         (ix86_function_value_1): Call it.
2108         (return_in_memory_ms_64): New.
2109         (ix86_return_in_memory): Call it.
2110         (setup_incoming_varargs_ms_64): New.
2111         (ix86_setup_incoming_varargs): Call it.
2112         (ix86_expand_prologue): Handle 64-bit stack probing.
2113         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
2114         (output_pic_addr_const): Likewise.
2115         (x86_this_parameter): Likewise.
2116         (x86_output_mi_thunk): Likewise.
2117         (x86_function_profiler): Likewise.
2118         (TARGET_STRICT_ARGUMENT_NAMING): New.
2119         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
2120         (TARGET_64BIT_MS_ABI): New.
2121         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
2122         * config/i386/i386.md (allocate_stack_worker): Remove.
2123         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
2124         describe the clobber of eax without a match_scratch.
2125         (allocate_stack_worker_postreload): Remove.
2126         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
2127         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
2128         (allocate_stack_worker_rex64_postreload): Remove.
2129         (allocate_stack): Handle 64-bit.
2130         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
2131         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
2132         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
2133         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
2134         (STANDARD_STARTFILE_PREFIX_1): Likewise.
2135         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
2136         * config.build (x86_64-*-mingw*): New host.
2137         * config.host (x86_64-*-mingw*): New host.
2138         * config.gcc (x86_64-*-mingw*): New target.
2139         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
2140
2141 2007-03-30  Richard Henderson  <rth@redhat.com>
2142             Kai Tietz  <kai.tietz@onevision.com>
2143
2144         * c-pragma.c (struct def_pragma_macro_value): New.
2145         (struct def_pragma_macro): New.
2146         (pushed_macro_table): New.
2147         (dpm_hash, dpm_eq): New.
2148         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
2149         (init_pragma): Install them.
2150         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
2151
2152 2007-03-30  Anatoly Sokolov <aesok@post.ru>
2153
2154         * config/avr/avr.c (avr_override_options): Clear
2155         'flag_delete_null_pointer_checks'.
2156
2157 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
2158
2159         PR c++/26099
2160         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
2161         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
2162         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
2163         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
2164         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
2165         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
2166         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
2167         C++ extensions.
2168         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
2169
2170 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
2171
2172         * regmove.c: Move all of pass_stack_adjustments from here...
2173         * combine-stack-adj.c: ...to this new file.
2174         * Makefile.in: Add rules for combine-stack-adj.o.
2175
2176 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
2177
2178         PR tree-optimization/31383
2179         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
2180         to have the same length.
2181
2182 2007-03-30  Jan Hubicka  <jh@suse.cz>
2183
2184         PR middle-end/30700
2185         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
2186         availablility; add more sanity checking; ask varpool only about
2187         VAR_DECL.
2188
2189 2007-03-29  Richard Henderson  <rth@redhat.com>
2190
2191         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
2192         to decide, but __SIZEOF_LONG_LONG__.
2193
2194 2007-03-29  Richard Henderson  <rth@redhat.com>
2195
2196         * emutls.c (struct __emutls_array): New.
2197         (emutls_destroy): Use it instead of casting element 0 from void*.
2198         (__emutls_get_address): Likewise.
2199
2200 2007-03-29  Richard Henderson  <rth@redhat.com>
2201
2202         * varasm.c (initializer_constant_valid_p): Don't deny
2203         DECL_DLLIMPORT_P on functions.
2204
2205         * config/i386/cygming.h: Remove function declarations.
2206         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
2207         (ASM_OUTPUT_LABELREF): Remove.
2208         (COMMON_ASM_OP): Remove.
2209         (ASM_OUTPUT_COMMON): Remove.
2210         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
2211         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
2212         (ASM_DECLARE_FUNCTION_NAME): Likewise.
2213         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
2214         Rename from TARGET_ENCODE_SECTION_INFO.
2215         * config/i386/netware.h: Likewise.
2216         * config/i386/i386-protos.h: Update.
2217         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
2218         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
2219         (legitimate_constant_p): Reject dllimports.
2220         (dllimport_map, get_dllimport_decl): New.
2221         (legitimize_dllimport_symbol): New.
2222         (legitimize_address, ix86_expand_move): Use it.
2223         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
2224         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
2225         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
2226         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
2227         * config/i386/predicates.md (constant_call_address_operand): Only
2228         accept symbols; reject dllimport_p symbols.
2229         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
2230         i386_pe_maybe_record_exported_symbol.
2231         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
2232         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
2233         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
2234         trust the setting of DECL_DLLIMPORT_P.
2235         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
2236         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
2237         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
2238         tidy the argument scanning loop.
2239         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
2240         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
2241         (i386_pe_strip_name_encoding): Remove.
2242         (i386_pe_binds_local_p): New.
2243         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
2244         (i386_pe_output_labelref): Remove.
2245         (i386_pe_asm_output_aligned_decl_common): New.
2246         (i386_pe_maybe_record_exported_symbol): Rename from
2247         i386_pe_record_exported_symbol; check for dllexported symbols.
2248
2249 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
2250
2251         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
2252         add comment explaining why vsnprintf cannot be used.
2253
2254 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
2255
2256         PR tree-optimization/30666
2257         * tree.c (build_complex_type): When creating type names for DWARF2
2258         debug info, create TYPE_DECLs for TYPE_NAME instead of
2259         IDENTIFIER_NODEs.
2260         (build_common_tree_nodes_2): Use build_complex_type when building
2261         predefined complex types, to preserve canonical types.
2262
2263 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
2264
2265         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
2266         (noce_get_alt_condition): Look at it to determine whether to
2267         reverse the condition or not.
2268         (noce_get_condition): Substitute the truth for lies.
2269         (noce_find_if_block): Set the then_else_reversed field.
2270
2271 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
2272
2273         * config/fr30/fr30.md (movdi): Do not accept immediates as the
2274         destination of this insn.
2275         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
2276         than calling gen_rtx_SET directly.  Use r0 to hold the value of
2277         'address + 4' rather than a stack based temporary which can be
2278         mis-optimized away.
2279
2280 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2281
2282         * config/s390/s390.c (s390_secondary_input_reload_class,
2283         s390_secondary_output_reload_class): Functions removed.
2284         (s390_secondary_reload): New function.
2285         (TARGET_SECONDARY_RELOAD): Target macro defined.
2286         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
2287         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
2288         * config/s390/s390.md ("reload_outti", "reload_outdi",
2289         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
2290         "reload_out<mode>"): Expanders removed.
2291         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
2292         "reload<mode>_nonoffmem_out"): Expanders added.
2293
2294 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
2295
2296         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
2297         SRC->DEST replacement failed anyway.
2298
2299 2007-03-28  Mike Stump  <mrs@apple.com>
2300
2301         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
2302         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
2303         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
2304
2305 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2306
2307         * config.gcc: Accept barcelona as a variant of amdfam10.
2308         * config/i386/i386.c (override_options): Likewise.
2309         * doc/invoke.texi: Likewise.
2310
2311 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
2312
2313         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
2314         offsets for BIT_FIELD_REF and COMPONENT_REF.
2315
2316 2007-03-28  Richard Guenther  <rguenther@suse.de>
2317
2318         * tree.c (is_global_var): Move ...
2319         * tree-flow-inline.h (is_global_var): ... here.
2320         * tree.h (is_global_var): Remove declaration.
2321
2322 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
2323
2324         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
2325         option.
2326         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
2327         * config/i386/i386.c (ix86_tune_features): Initialize new
2328         tuning option.
2329         * config/i386/predicates.md (promotable_binary_operator): Use
2330         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
2331
2332 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2333
2334         PR target/31380
2335         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
2336
2337 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
2338
2339         * config/fr30/fr30.md (movsi_internal): Change destination
2340         constraint from m to V and add m to the end.
2341
2342 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2343
2344         * config/sh/sh.md (movsi_i): Fix type attribute.
2345
2346 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2347
2348         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
2349         (movsf_ie): Likewise.
2350
2351 2007-03-28  Christian Bruel  <christian.bruel@st.com>
2352
2353         * config.gcc: Add sh4-300 to multilib.
2354         * config/sh/t-mlib-sh4-300: New file.
2355
2356 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2357
2358         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
2359         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
2360         fix_trunc<mode>di2.
2361         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
2362         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
2363         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
2364         "fixuns_trunctddi2"): Whitespace fix.
2365
2366 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2367
2368         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
2369         the definition of struct sh_args.
2370         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
2371         CALL_COOKIE_INT_REG_GET): Likewise.
2372
2373 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
2374
2375         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
2376         transformations are applied successfully.
2377
2378 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
2379
2380         * tree.c (tree_contains_struct): Permit 512 tree codes.
2381         * tree.h (tree_contains_struct): Ditto.
2382         (MAX_TREE_CODES): Ditto.
2383         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
2384         SPARE member to store remaining padding bits.
2385
2386 2007-03-27  Anatoly Sokolov <aesok@post.ru>
2387
2388         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
2389         architecture.
2390
2391 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
2392
2393         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
2394         * configure: Regenerate.
2395
2396         * configure: Regenerate using the correct version of autoconf.
2397
2398 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
2399
2400         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
2401         pointer regs.
2402         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
2403         regs to "__SP_L__" and "__SP_H__".
2404
2405 2007-03-27  Richard Guenther  <rguenther@suse.de>
2406
2407         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
2408         computations with it with a HOST_WIDE_INT variable.
2409
2410 2007-03-26  Mike Stump  <mrs@apple.com>
2411
2412         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
2413         objective-c-header, objective-c++-header and objc++-cpp-output
2414         support.
2415         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2416
2417 2007-03-26  Richard Henderson  <rth@redhat.com>
2418
2419         PR target/31361
2420         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
2421         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
2422         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
2423         IX86_BUILTIN_PSRLQ128): New.
2424         (ix86_init_mmx_sse_builtins): Add them.
2425         (ix86_expand_builtin): Expand them.
2426         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
2427         operand 2 be TImode.
2428         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
2429         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
2430         _mm_srli_epi64): Mark __B const.
2431         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
2432         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
2433         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
2434         new two-vector shift builtins.
2435
2436 2007-03-26  Ian Lance Taylor  <iant@google.com>
2437
2438         PR tree-optimization/31345
2439         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
2440         [+INF, +INF(OVF)] into VARYING.
2441
2442 2007-03-26  Zack Weinberg  <zackw@panix.com>
2443
2444         * gengtype-parse.c: New file.
2445         * gengtype-yacc.y: Delete.
2446         * gengtype-lex.l: Don't include gengtype-yacc.h.
2447         Define YY_DECL and yyterminate appropriately for recursive
2448         descent parser.  yylval is now a string out-parameter to yylex.
2449         (HWS, EOID): New shorthand.
2450         (IWORD): Add a couple more types.
2451         (yylex): Add a setup stanza.  Remove the complex rules for
2452         detecting GTY'ed types and typedefs; replace with simple
2453         keyword detectors.  Adjust everything for the changed
2454         definition of yylval.  Ignore all pp-directives, not just #define.
2455         (yyerror): Delete.
2456         (parse_file): Rename yybegin; do not call yyparse.
2457         (yyend): New.
2458         * gengtype.c (xasprintf): Export again.
2459         (this_file): New.  Use everywhere __FILE__ was being used.
2460         (get_lang_bitmap): Special case types defined in gengtype.c.
2461         (do_typedef, new_structure): Suppress definition of certain types.
2462         (new_structure): Improve diagnostics of duplicate definitions.
2463         Make sure location_s is associated with input.h.
2464         (nreverse_pairs, define_location_structures): New functions.
2465         (main): Improve tagging of kludge types.  Remove old kludges
2466         for input.h types; use define_location_structures.
2467         * gengtype.h: Update prototypes.  Define token codes here.
2468         * Makefile.in: Remove all references to gengtype-yacc.
2469         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
2470         and gengtype.
2471         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
2472         add GTY((skip)) to the field that's only conditionally there.
2473         * doc/install.texi: Document that Bison is no longer required
2474         unless building treelang.
2475
2476         * gengtype.c: Don't include gtyp-gen.h.
2477         (srcdir): Declare here.
2478         (base_files, lang_dir_names): Allocate dynamically.
2479         (gt_files, num_gt_files, num_lang_dirs): New globals.
2480         (measure_input_list, read_input_line, read_input_list)
2481         (set_lang_bitmap): New functions.
2482         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
2483         simplify, relying on read_input_list to set up the bitmaps.
2484         (main): Arguments are no longer unused.  Check for correct number
2485         of command line arguments, set srcdir and srcdir_len, then call
2486         read_input_list, before doing anything else.  No need to worry
2487         about duplicates in main loop.
2488         * configure.ac: Simplify the calculation of all_gtfiles.
2489         Put language tags in there.  Don't set or substitute
2490         all_gtfiles_files_langs or all_gtfiles_files_frags.
2491         * Makefile.in: Revamp the way gengtype is invoked, now that it
2492         takes a file on its command line with a much simpler format.
2493         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
2494         (GTFILES): Remove duplicates and C source files.
2495         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
2496         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
2497         * configure: Regenerate.
2498
2499         * gengtype.h: Remove all type definitions to gengtype.c; leave
2500         only definitions of options_p, type_p, and pair_p as opaque
2501         pointers.  Update prototypes.
2502         * gengtype.c: Many type definitions moved here from gengtype.h.
2503         Consolidate type definitions at the top of the file.
2504         (xvasprintf): Delete.
2505         (xasprintf): Make static.
2506         (create_nested_pointer_option): Add 'next' parameter.
2507         (create_field_all, create_field_at): New functions.
2508         (create_field): Now a thin wrapper around create_field_all.
2509         (create_optional_field): Rename create_optional_field_ and add
2510         line argument.  Original name is now a macro which supplies
2511         __LINE__.
2512         (oprintf): Use vsnprintf directly.
2513         (close_output_files): Use fatal rather than perror/exit.
2514         (note_def_vec, note_def_vec_alloc): Use create_field_at.
2515         (main): Set progname.  Don't use exit.
2516         * gengtype-yacc.y (struct_fields): Use create_field_at.
2517         (option, optionseqopt): Delete.
2518         (optionseq): Consolidate productions from option here so we
2519         can use the first argument to create_option.
2520
2521         * gengtype-lex.l: Distinguish unions from structures in the
2522         token type.  Don't call find_structure; return the tag as a string.
2523         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
2524         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
2525         Reorganize typedef_struct production accordingly.
2526         Use create_nested_ptr_option.
2527         * gengtype.c (create_nested_ptr_option): New function.
2528         * gengtype.h: Declare it.
2529
2530         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
2531         (string_type): Don't declare.
2532         (do_scalar_typedef): Declare.
2533         (create_scalar_type): Update prototype.
2534         * gengtype.c (string_type): Make static.
2535         (scalar_nonchar, scalar_char): New.
2536         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
2537         (resolve_typedef): Use scalar_nonchar for error recovery.
2538         (create_scalar_type): Remove name_len field.  Return scalar_char
2539         or scalar_nonchar as appropriate.
2540         (adjust_field_type): Look at scalar_is_char boolean to decide whether
2541         to use string_type.
2542         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
2543         whenever possible.
2544         (main): Initialize scalar_char and scalar_nonchar before calling
2545         gen_rtx_next.
2546         * gengtype-lex.l: Adjust for removal of second argument to
2547         create_scalar_type.  Use yylval.s instead of yylval.t when
2548         returning SCALAR.
2549         * gengtype-yacc.y: Type of SCALAR is string.  Call
2550         create_scalar_type from type:SCALAR rule.  Adjust for removal of
2551         second argument to create_scalar_type.
2552
2553         * vec.h: Remove all #if IN_GENGTYPE blocks.
2554         Add comment saying that changes may require adjustments to gengtype.
2555         * gengtype.c: Don't include coretypes.h or tm.h.
2556         Add comment to inclusion of errors.h.
2557         (note_def_vec, note_def_vec_alloc): New functions.
2558         * gengtype.h: Declare new functions.
2559         * gengtype-lex.l: Don't include coretypes.h.
2560         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
2561         Delete.
2562         (update_lineno): Remove unnecessary prototype.
2563         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
2564         (VEC rule): Just return VEC_TOKEN.
2565         * gengtype-yacc.y (VEC_TOKEN): New token type.
2566         (type): Add a production for VEC(a,b).
2567         * Makefile.in: Update dependencies.
2568
2569         * gengtype-lex.l: Remove rules for parsing pointer-to-function
2570         typedefs that use the old PARAMS macro.
2571
2572         * gengtype-lex.l: Remove all rules and states relating to yacc
2573         input files.
2574         * gengtype-yacc.y: Similarly.
2575         * gengtype.c (note_yacc_type): Delete function.
2576         * gengtype.h: Update prototypes.
2577
2578 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
2579
2580         * tree-pretty-print.c (dump_generic_node): Report precision of
2581         unnamed integer types.
2582
2583 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
2584
2585         * ifcvt.c (noce_try_store_flag_constants): Don't check
2586         no_new_pseudos here.
2587         (noce_try_store_flag_constants): Don't check no_new_pseudos.
2588         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
2589         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
2590         noce_try_sign_mask): Likewise.
2591         (if_convert): Check no_new_pseudos here.
2592
2593         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
2594         Remove prototypes.
2595         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
2596         (noce_get_condition): Handle new then_else_reversed argument.
2597         (noce_init_if_info): Remove, fold into noce_find_if_block.
2598         (noce_process_if_block): Take a struct noce_if_info as the
2599         argument.  Don't set up one based on ce_if_info.  Update pointer
2600         references accordingly.
2601         (cond_move_process_if_block): Likewise.
2602         (process_if_block): Removed.
2603         (find_if_block): Removed.  Move functionality two new functions,
2604         noce_find_if_block and cond_exec_find_if_block.
2605         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
2606         blocks and the symmetric IF-ELSE-JOIN case.
2607         (cond_exec_find_if_block): Also new function mostly based on old
2608         find_if_block and process_if_block.
2609         (find_if_header): Replace find_if_block call with separately
2610         guarded calls to noce_find_if_block and cond_exec_find_if_block.
2611         (find_cond_trap): Update noce_get_condition call.
2612         (dead_or_predicable): Likewise.
2613
2614 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
2615
2616         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
2617         Remove.
2618         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
2619         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
2620         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
2621         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
2622         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
2623         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
2624         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
2625         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
2626         __builtin_ia32_psrad128 builtins.
2627
2628 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
2629
2630         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
2631         * config/i386/constraints.md
2632         (define_constraint "I"): Use IN_RANGE macro.
2633         (define_constraint "J"): Ditto.
2634         (define_constraint "K"): Ditto.
2635         (define_constraint "M"): Ditto.
2636         (define_constraint "N"): Ditto.
2637         (define_constraint "O"): Ditto.
2638         * config/i386/predicates.md
2639         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
2640         (define_predicate "const_0_to_3_operand"): Ditto.
2641         (define_predicate "const_0_to_7_operand"): Ditto.
2642         (define_predicate "const_0_to_15_operand"): Ditto.
2643         (define_predicate "const_0_to_63_operand"): Ditto.
2644         (define_predicate "const_0_to_255_operand"): Ditto.
2645         (define_predicate "const_1_to_31_operand"): Ditto.
2646         (define_predicate "const_2_to_3_operand"): Ditto.
2647         (define_predicate "const_4_to_7_operand"): Ditto.
2648
2649 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2650
2651         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
2652         in SImode for save_world.
2653         * config/rs6000/altivec.md (save_world, restore_world): Convert to
2654         LR hard reg.
2655
2656 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
2657
2658         PR tree-optimization/30784
2659         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
2660         BIT_FIELD_REF.
2661
2662 2007-03-25  Revital Eres  <eres@il.ibm.com>
2663
2664         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
2665           Fold movement_possibility function into it.
2666
2667 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
2668
2669         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
2670         (load_macho_picbase_{si,di}): Convert to LR hard reg.
2671         (call_indirect_nonlocal_darwin64): Same.
2672         (call_nonlocal_darwin64): Same.
2673         (call_value_indirect_nonlocal_darwin64): Same.
2674         (call_value_nonlocal_darwin64): Same.
2675         (sibcall_nonlocal_darwin64): Same.
2676         (sibcall_value_nonlocal_darwin64): Same.
2677         (sibcall_symbolic_64): Same.
2678         (sibcall_value_symbolic_64): Same.
2679         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
2680         LR pseudo.
2681         (rs6000_emit_load_toc_table): Same.
2682         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
2683         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
2684         (mull_call): Same.
2685         (divss_call): Same.
2686         (divus_call): Same.
2687         (quoss_call): Same.
2688         (quous_call): Same.
2689         (load_toc_v4_pic_si): Same
2690         (load_toc_v4_PIC_1): Same.
2691         (load_toc_v4_PIC_1b): Same.
2692         (call_indirect_aix{32,64}): Same.
2693         (call_value_indirect_aix{32,64}): Same.
2694         (call): Same.
2695         (call_value): Same.
2696         (call_local{32,64}): Same.
2697         (call_value_local{32,64}): Same.
2698         (call_indirect_nonlocal_aix{32,64}): Same.
2699         (call_nonlocal_aix{32,64}): Same.
2700         (call_value_indirect_nonlocal_aix{32,64}): Same.
2701         (call_value_nonlocal_aix{32,64}): Same.
2702         (call_indirect_nonlocal_sysv<mode>): Same.
2703         (call_nonlocal_sysv<mode>): Same.
2704         (call_value_indirect_nonlocal_sysv<mode>): Same.
2705         (call_value_nonlocal_sysv<mode>): Same.
2706         (sibcall): Same.
2707         (sibcall_local{32,64}): Same.
2708         (sibcall_value_local{32,64}): Same.
2709         (sibcall_nonlocal_aix{32,64}): Same.
2710         (sibcall_value_nonlocal_aix{32,64}): Same.
2711         (sibcall_nonlocal_sysv<mode>): Same.
2712         (sibcall_value): Same.
2713         (sibcall_value_nonlocal_sysv<mode>): Same.
2714
2715 2007-03-24  Paul Brook  <paul@codesourcery.com>
2716
2717         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
2718         * config/arm/linux-eabi.h: Remove legacy syscall hack.
2719
2720 2007-03-24  Richard Henderson  <rth@redhat.com>
2721
2722         * config/ia64/constraints.md: New file.
2723         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
2724         satisfies_constraint_?.
2725         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
2726         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
2727         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
2728         ia64_output_mi_thunk): Likewise.
2729         (ia64_const_ok_for_letter_p): Remove.
2730         (ia64_const_double_ok_for_letter_p): Remove.
2731         (ia64_extra_constraint): Remove.
2732         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
2733         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
2734         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
2735         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
2736         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
2737         EXTRA_MEMORY_CONSTRAINT): Remove.
2738         * config/ia64/ia64.md: Include constriants.md.  Replace
2739         CONST_OK_FOR_? with satisfies_constraint_?.
2740
2741 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
2742             H.J. Lu  <hongjiu.lu@intel.com>
2743
2744         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
2745         DPD or BID name.
2746         (name macros): Use DPD_BID_NAME to convert names properly.
2747
2748         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
2749         decimal floating point format.
2750         (init_floating_libfuncs): Change decimal functions so that they
2751         have a "bid_" prefix if the decimal system uses the BID format,
2752         and "dpd_" prefix if the decimal system uses the DPD format.
2753         (init_interclass_conv_libfuncs): Ditto.
2754         (init_intraclass_conv_libfuncs): Ditto.
2755
2756         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2757         using the BID format.
2758
2759         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2760         whether we are using the BID decimal format.
2761         * configure: Regenerate.
2762
2763         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2764         the compiler has decimal floating point enabled.  Define
2765         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2766         instead of DPD.
2767
2768         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
2769         using the BID format.
2770
2771         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
2772         whether we are using the BID decimal format.
2773         * configure: Regenerate.
2774
2775         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
2776         the compiler has decimal floating point enabled.  Define
2777         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
2778         instead of DPD.
2779
2780         * doc/install.texi (--enable-decimal-float): Document BID and DPD
2781         options, and that it is enabled for i386/x86_64 systems.
2782
2783         * Makefile.in (enable_decimal_float): New.
2784         (DECNUMFMT): New.
2785         (DECNUMINC): Add  -I$(DECNUMFMT).
2786         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
2787         to $(DECNUMFMT) from $(DECNUM).
2788
2789         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
2790         Substitute enable_decimal_float.
2791         * configure: Regenerated.
2792
2793         PR other/30529
2794         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
2795         unsigned long.
2796
2797         * configure.ac: Enable decimal float for x86_64-*-linux*.
2798         * configure: Regenerated.
2799
2800         PR other/30530
2801         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
2802         decimal128ClearSign to flip and clear the sign bit in decimal128.
2803         (decimal_real_maxval): Set decimal128SetSign to set the sign
2804         bit in decimal128.
2805
2806 2007-03-23  Ian Lance Taylor  <iant@google.com>
2807
2808         * fold-const.c (fold_binary): Correct warning for X - c >= X.
2809
2810 2007-03-23  Ian Lance Taylor  <iant@google.com>
2811
2812         * tree-dump.c (dump_files): Correct comment.
2813
2814 2007-03-23  Ian Lance Taylor  <iant@google.com>
2815
2816         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
2817
2818 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
2819
2820         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
2821         in cfglayout mode.  Don't go into and out of cfglayout mode.
2822         Link the blocks in the order of the constructed traces.
2823         (rest_of_handle_tracer): Adjust call to tracer.
2824         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
2825         Don't go into cfglayout mode.
2826         (rtl_loop_done): Don't go out of cfglayout mode.
2827         * cfglayout.c (relink_block_chain): New function, split out from...
2828         (fixup_reorder_chain): ...here.  Remove redundant checking.
2829         (cfg_layout_finalize): Don't clear the header, footer, and aux
2830         fields here, move the code to do so to relink_block_chain.  Likewise
2831         for free_original_copy_tables.
2832         * rtl.h (tracer): Update prototype.
2833         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
2834         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
2835         mode.  Use relink_block_chain to serialize the CFG according to the
2836         new basic block order.  Move targetm.cannot_modify_jumps_p check from
2837         here...
2838         (gate_handle_reorder_blocks): ...to here.
2839         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
2840         from here...
2841         (gate_duplicate_computed_gotos): ...to here.
2842         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
2843         something always changes when going into and out of cfglayout mode.
2844         Perform an expensive cfg cleanup while going into cfglayout mode.
2845         Always update liveness information on HAVE_conditional_execution
2846         targets.  Reserialize the basic blocks and go out of cfglayout mode.
2847         * reg-stack.c: Include cfglayout.h.
2848         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
2849         the call to reorder_basic_blocks.
2850         * basic-block.h (reorder_basic_blocks): Update prototype.
2851         (relink_block_chain): New prototype.
2852         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
2853
2854 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
2855
2856         * config/mips/mips.md (type, hazard, *movdi_32bit,
2857         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
2858         *movhi_internal, *movqi_internal, *movsf_hardfloat,
2859         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
2860         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
2861         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
2862         applicable.
2863         (movcc): Change first xfer to multi.
2864         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
2865         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
2866         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
2867         config/mips/generic.md: Change reservations using "xfer" to use
2868         "mfc,mtc".
2869         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
2870         using match_operand.
2871         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
2872         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
2873         examining mode.
2874         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
2875
2876 2007-03-22  Richard Henderson  <rth@redhat.com>
2877
2878         * config/i386/i386.c: Remove unnecessary function declarations.
2879         Move targetm definition, and all related macros, to the end of
2880         the file.  Resort some functions to put definitions before uses.
2881         (ix86_attribute_table): Make static.  Move to end of file.
2882         (ix86_gimplify_va_arg): Make static.
2883
2884 2007-03-22  Richard Henderson  <rth@redhat.com>
2885
2886         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
2887         don't increase local_regparm with force_align_arg_pointer check.
2888         (ix86_function_sseregparm): Assert 32-bit.
2889         (type_has_variadic_args_p): New.
2890         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
2891         type_has_variadic_args_p.
2892         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
2893         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
2894         use memset instead.  Do maybe_vaarg check first; skip attribute
2895         tests if true; skip attribute tests for 64-bit.
2896         (construct_container): Remove TARGET_DEBUG_ARG.
2897         (function_arg_advance_32, function_arg_advance_64): Split out ...
2898         (function_arg_advance): ... from here.
2899         (function_arg_32, function_arg_64): Split out ...
2900         (function_arg): ... from here.
2901         (ix86_pass_by_reference): Tidy.
2902         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
2903         (function_value_32): New, from parts of ix86_function_value
2904         and ix86_value_regno.
2905         (function_value_64): New, from parts of ix86_function_value
2906         and ix86_libcall_value.
2907         (ix86_function_value_1): New.
2908         (ix86_function_value, ix86_libcall_value): Use it.
2909         (return_in_memory_32, return_in_memory_64): Split out ...
2910         (ix86_return_in_memory): ... from here.
2911         (ix86_struct_value_rtx): Skip for 64-bit.
2912         (ix86_libcall_value, ix86_value_regno): Remove.
2913         (setup_incoming_varargs_64): Split out ...
2914         (ix86_setup_incoming_varargs): ... from here.
2915         (ix86_va_start): Remove TARGET_DEBUG_ARG.
2916         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
2917         * config/i386/i386-protos.h (ix86_function_value): Remove.
2918         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
2919
2920 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2921
2922         PR other/23572
2923         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
2924         infinities not supported, otherwise emit warning if -Woverflow. On
2925         underflow, emit warning if -Woverflow.
2926         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
2927         and 0 otherwise.
2928         * real.h (real_from_string): Update declaration
2929
2930 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
2931             Richard Henderson  <rth@redhat.com>
2932
2933         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
2934         * calls.c (compute_argument_block_size, expand_call,
2935         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
2936         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
2937         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
2938         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
2939         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
2940         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
2941         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
2942         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
2943         Set to 1.
2944
2945 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
2946
2947         * c-incpath.c (add_sysroot_to_chain): New.
2948         (merge_include_chains): Add sysroot argument.  Call
2949         add_sysroot_to_chain if sysrooted.
2950         (register_include_chains): Update call to merge_include_chains.
2951         * doc/cppopts.texi: Document use of '=' in include directory
2952         arguments.
2953
2954 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
2955
2956         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
2957         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
2958         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
2959         insn pattern using X87MODEF12 mode macro.
2960
2961 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
2962
2963         * regmove.c (regmove_optimize): Use reg_mentioned_p
2964         instead of reg_overlap_mentioned_p for DST.
2965
2966 2007-03-21  Mike Stump  <mrs@apple.com>
2967
2968         * c.opt: Fixup for Objective-C/C++.
2969
2970 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
2971
2972         * explow.c (convert_memory_address): Fold memory reference when
2973         POINTERS_EXTEND_UNSIGNED < 0
2974
2975 2007-03-21  Richard Henderson  <rth@redhat.com>
2976
2977         PR target/31245
2978         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
2979         * config/i386/mmintrin.h (__m64): Likewise.
2980         * config/i386/xmmintrin.h (__m128): Likewise.
2981
2982 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2983
2984         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
2985         (VXWORKS_OS_CPP_BUILTINS): Define.
2986         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
2987         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
2988
2989 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2990
2991         * rtl.h (constant_pool_reference_p): Delete.
2992         (find_constant_src): Declare.
2993         * rtlanal.c (find_constant_src): New function.
2994         * simplify-rtx.c (constant_pool_reference_p): Delete.
2995         * config/i386/i386.md: Use find_constant_src instead of
2996         constant_pool_reference_p/avoid_constant_pool_reference pairs.
2997
2998 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
2999
3000         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
3001         * c-cppbuiltin.c (c_cpp_builtins): Define them.
3002
3003 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
3004
3005         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
3006         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
3007         (arm_elf_asm_constructor): Use it.
3008         (arm_elf_asm_destructor): New function.
3009
3010 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3011
3012         * jump.c (mark_jump_label): Treat SEQUENCE specially.
3013
3014 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
3015
3016         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
3017
3018 2007-03-19  Andrew Haley  <aph@redhat.com>
3019
3020         PR tree-optimization/31264
3021         * tree-vrp.c (register_edge_assert_for_1): Don't look though
3022         VIEW_CONVERT_EXPRs.
3023
3024 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
3025
3026         PR rtl-optimization/30907
3027         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
3028         (fwprop_init): Always call loop_optimizer_initialize.
3029         (fwprop_done): Always call loop_optimizer_finalize.
3030         (fwprop): We always have loop info now.
3031         (gate_fwprop_addr): Remove.
3032         (pass_fwprop_addr): Use gate_fwprop as gate.
3033
3034         PR rtl-optimization/30841
3035         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
3036         df_chain_alloc): Call df_reorganize_refs unconditionally.
3037         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
3038         refs_organized to refs_organized_size.
3039         (df_ref_create_structure): Use refs_organized_size instead of
3040         bitmap_size if refs had been organized, and keep refs_organized_size
3041         up-to-date.
3042         * df.h (struct df_ref_info): Change refs_organized to
3043         refs_organized_size.
3044         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
3045         bitmap_size.
3046
3047 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
3048
3049         * except.c (output_function_exception_table): Do not reference the
3050         EH personality routine for functions that do not require an
3051         exception table.
3052
3053 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
3054
3055         PR c/30762
3056         * c-typeck.c (convert_for_assignment): Call comptypes for
3057         RECORD_TYPE or UNION_TYPE.
3058
3059         PR inline-asm/30505
3060         * reload1.c (reload): Do invalid ASM checking after
3061         cleanup_subreg_operands.
3062
3063 2007-03-19  Jeff Law  <law@redhat.com>
3064
3065         * tree-cfg.c (find_taken_edge): Tighten conditions for
3066         optimizing computed gotos.
3067
3068 2007-03-19  Michael Matz  <matz@suse.de>
3069
3070         * builtins.c (expand_builtin_sync_operation,
3071         expand_builtin_compare_and_swap,
3072         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
3073         correctly.
3074
3075         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
3076         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
3077         for operand 3.
3078
3079 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3080
3081         * doc/tm.texi: Add brackets around the return type of
3082         TARGET_SECONDARY_RELOAD.
3083
3084 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3085         Richard Guenther  <rguenther@suse.de>
3086
3087         PR tree-optimization/31254
3088         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
3089         Use handled_component_p () where appropriate.  Continue
3090         propagating into the rhs if we propagated into an INDIRECT_REF
3091         on the lhs.
3092
3093 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3094
3095         * config/s390/s390.md (op_type attribute): RRR instruction type added.
3096         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
3097         (xde, xdee): Mode attributes adjusted to support DFP modes.
3098         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
3099         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
3100         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
3101         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
3102         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
3103         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3104         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
3105         numbers.
3106         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
3107         "movsf"): Insn definitions removed.
3108         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
3109         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
3110         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
3111         definitions added.
3112         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
3113         "reload_in<mode>", "reload_out<mode>"): Expander added.
3114         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
3115         Expander removed.
3116
3117 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3118
3119         * config/s390/s390.md: Only non-functional changes.  Renamed
3120         FPR mode macro to BFP all over the file.
3121
3122 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3123
3124         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
3125         (op_type attribute): RRF instruction type added.
3126         (fT0): New mode attribute.
3127         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
3128         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
3129         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
3130         no secondary memory is needed when moving DFmode values between GPRs
3131         and FPRs.
3132
3133 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3134
3135         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
3136         inverted and documentation adjusted.
3137         ("mhard-dfp", "msoft-dfp"): New options.
3138         * config/s390/s390.c (s390_handle_arch_option): New architecture
3139         switch: z9-ec.
3140         (override_options): Sanity checks for the new options added.
3141         * config.gcc: New architecture switch: z9-ec.
3142         * config/s390/s390.h (processor_flags): PF_DFP added.
3143         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
3144         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
3145         when the bit is NOT set so remove it from the defaults.
3146
3147 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
3148
3149         * genemit.c (main): Print include statement for dfp.h.
3150         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
3151         is not available.
3152
3153 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3154
3155         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
3156
3157 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
3158
3159         PR target/31022
3160         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
3161         instead of PATTERN.
3162
3163 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3164
3165         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
3166         attr_length_call, output_call, output_indirect_call): Cleanup
3167         formatting of targetm calls.
3168
3169 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
3170
3171         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
3172
3173 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3174
3175         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
3176         reservation, bypass and anti-bypass descriptions for these instructions.
3177         Update move patterns.
3178         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
3179         TYPE_FPSTORE.
3180
3181 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
3182
3183         * tree-vect-transform.c (get_initial_def_for_induction): Replace
3184         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
3185         (get_initial_def_for_reduction): Likewise.
3186
3187 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
3188
3189         Fix PR tree-optimization/29922
3190         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
3191         (get_representative): Removed.
3192         (value_dies_in_block_x): Update for rvuse removal.
3193         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
3194         (compute_antic_aux): Handle when PHI nodes appear in
3195         non-single-successors.
3196         (dump_bitmap_of_names): Removed.
3197         (compute_antic_safe): Renamed and removed rvuse calculation.
3198         Calculate only antic safe.
3199         (insert_into_preds_of_block): Remove assert.
3200         (execute_pre): Update for renamed functions.
3201         (defer_or_phi_translate_block): New function.
3202
3203 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3204
3205         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
3206         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
3207         typos.
3208         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
3209         Follow spelling conventions.
3210
3211         * tree-data-ref.h: Remove the prototype for analyze_array.
3212
3213 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
3214
3215         PR tree-optimization/31041
3216         * tree-vect-transform.c (get_initial_def_for_induction): Call
3217         force_gimple_operand.
3218
3219 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
3220
3221         * ipa-type-escape.c (look_for_casts) : Revert code to use
3222         handled_component_p due to ada test a-numaux.adb.
3223
3224 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
3225
3226         * final.c (final_scan_insn): Alter the condition of a
3227         conditional trap if we have nonstandard CC.
3228
3229 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3230
3231         * configure.ac: Remove excess quoting from asm line 0 test.
3232         * configure: Rebuilt.
3233
3234 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3235
3236         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
3237         * c-common.c (convert_and_check): Move warning logic to...
3238         (warnings_for_convert_and_check): ...here. Define.
3239         * c-common.h (warnings_for_convert_and_check): Declare.
3240
3241 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3242
3243         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
3244         (output_call): Likewise.
3245
3246 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3247
3248         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
3249
3250 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
3251
3252         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
3253
3254 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
3255
3256         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
3257         opteron, athlon-64 and athlon-fx processor_alias_table entries.
3258
3259 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
3260
3261         PR tree-optimization/31183
3262         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
3263         Use double_int instead of unsigned int for representing access_strides.
3264         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
3265
3266 2007-03-16  Richard Guenther  <rguenther@suse.de>
3267
3268         PR tree-optimization/31146
3269         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
3270         to allow recursion of forward_propagate_addr_expr.
3271         (forward_propagate_addr_into_variable_array_index): Likewise.
3272         (forward_propagate_addr_expr): Likewise.
3273         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3274         (forward_propagate_addr_expr_1): Recurse on simple copies
3275         instead of propagating into them.  Do so for useless conversions
3276         as well.
3277         (forward_propagate_addr_expr): Clean up unused statements after
3278         recursion.
3279
3280 2007-03-16  Richard Guenther  <rguenther@suse.de>
3281
3282         * builtins.c (expand_builtin_cexpi): Use the right argument
3283         for the expansion via cexp.
3284
3285 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3286
3287         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
3288         * configure: Rebuilt.
3289
3290 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
3291
3292         PR debug/29906
3293         * dwarf2out.c (force_type_die): Adjust comment.
3294         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
3295
3296 2007-03-15  DJ Delorie  <dj@redhat.com>
3297
3298         * config/frv/predicates.md (minmax_operator): Don't check operands
3299         here.
3300
3301 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3302
3303         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
3304         Update constant estimates of number of iterations.
3305         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
3306         argument renamed to "realistic".
3307         (compute_estimated_nb_iterations): Removed.
3308         (record_niter_bound): New function.
3309         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
3310         call record_nonwrapping_iv with upper = false.
3311         (infer_loop_bounds_from_signedness): Pass upper argument to
3312         record_nonwrapping_iv.
3313         (estimate_numbers_of_iterations_loop): Do not call
3314         compute_estimated_nb_iterations.  Record estimate based on profile
3315         information.  Initialize the constant estimates of number of
3316         iterations.
3317         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
3318         estimates.
3319         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
3320         number of iterations is too small.
3321         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
3322         (EST_NOT_AVAILABLE): Removed.
3323         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
3324         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
3325         fields.
3326
3327 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
3328
3329         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
3330         Handle NE_EXPR guards.
3331
3332 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3333
3334         PR c++/24924
3335         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
3336         Set also -pedantic-errors by default for the  preprocessor unless
3337         -fpermissive is given.
3338
3339 2007-03-15  Richard Guenther  <rguenther@suse.de>
3340
3341         PR middle-end/29719
3342         PR middle-end/31161
3343         * builtins.c (expand_builtin_cexpi): As a fallback if we
3344         don't have builtins for sincos or cexp create a function
3345         declaration for cexp and expand to a call to that.
3346         (expand_builtin_int_roundingfn): Always fall
3347         back to floor/ceil and its variants even if they may be
3348         not available.
3349
3350 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
3351
3352         PR middle-end/31159
3353         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
3354         jump tables, move the call to delete_dead_jumptables from here...
3355         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
3356         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
3357         don't allow merging of blocks that try_redirect_by_replacing_jump
3358         also does not handle when not optimizing.
3359
3360 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3361             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3362
3363         * config/i386/i386.md (x86_sahf_1): Correctly handle
3364         HAVE_AS_IX86_SAHF.
3365
3366 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
3367
3368         PR target/31167
3369         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
3370         x86_64_general_operand as operand[2] predicate.  Remove "iF"
3371         from operand constraints and use "e" constraint instead.
3372         (*subti3_1, *subti3_1 splitter): Ditto.
3373         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
3374         operand[1] predicate.
3375
3376 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
3377
3378         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
3379         arrays, multiply the access strides by the size of the sub-array.
3380         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
3381
3382 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3383
3384         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
3385         the configured assembler supports the sahf mnemonic.
3386         * configure: Regenerate.
3387         * config.in: Regenerate.
3388
3389         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
3390         emit "sahf" or ".byte\t0x9e" as asm template.
3391
3392 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
3393
3394         PR 31018
3395         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
3396         option to replace hard coded TARGET_xxx in md file.
3397         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
3398         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3399         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
3400         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
3401         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
3402         (X86_TUNE_NOT_VECTORMODE): Ditto.
3403         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
3404         (TUNE_AVOID_VECTOR_DECODE): Ditto.
3405         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
3406         (TUNE_SLOW_IMUL_IMM8): Ditto.
3407         (TUNE_MOVE_M1_VIA_OR): Ditto.
3408         (TUNE_NOT_UNPAIRABLE): Ditto.
3409         (TUNE_NOT_VECTORMODE): Ditto.
3410
3411         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
3412         options.
3413
3414         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
3415         tuning options instead of hard coded TARGET_xxx.
3416         (fix ssemode peephole2's): Ditto.
3417         (imul peephole2's): Ditto.
3418         (movsi_or): Ditto.
3419         (movdi_or_rex64): Ditto.
3420         (move peephole2): Ditto.
3421         (not peephole2's): Ditto.
3422
3423 2007-03-14  Dirk Mueller  <dmueller@suse.de>
3424
3425         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
3426         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
3427         * c-parser.c (c_parser_if_body): Always add an empty statement in case
3428         of empty body.
3429         * c-parser.c (c_parser_do_statement): Warn about empty body in
3430         do/while statement.
3431         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
3432         * doc/invoke.texi (-Wempty-body): Update documentation.
3433
3434 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3435
3436         PR c/21438
3437         * c-common.h (warn_for_div_by_zero): Declare.
3438         * c-common.c (warn_for_div_by_zero): Define.
3439         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
3440         warning.
3441
3442 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3443
3444         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
3445         to PREFIX and STANDARD_PREFIX.
3446
3447 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3448             Phil Edwards  <phil@codesourcery.com>
3449
3450         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
3451         (__gthread_once_t): Remove busy field for RTPs.
3452         (__GTHREAD_ONCE_INIT): Update accordingly.
3453
3454 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
3455
3456         * doc/invoke.texi: Document VxWorks options.
3457
3458 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
3459
3460         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
3461
3462 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
3463
3464         PR tree-optimization/30590
3465         * tree-nrv.c (tree_nrv): Check for the partial update of the
3466         return value.
3467
3468 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3469
3470         * flags.h (flag_random_seed): Remove declaration, in favor of...
3471         * toplev.h (get_random_seed, set_random_seed): ... these.
3472         * tree.c (get_file_function_name): Use the former.
3473         * opts.c (common_handle_option): Use the latter.
3474         * toplev.c
3475
3476 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
3477
3478         PR middle-end/31127
3479         * cse.c (cse_find_path): Do not bail out if a basic block that
3480         we already visited now becomes part of a path that starts at a
3481         different basic block.  Just disallow this, to make sure we
3482         visit each basic block at most once.
3483
3484 2007-03-13  Jan Hubicka  <jh@suse.cz>
3485
3486         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
3487         when profile esitmate is present, calls with very low frequency are
3488         cold.
3489
3490 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
3491
3492         PR tree-optimization/30730
3493         PR tree-optimization/26900
3494         * tree-ssa-loop-niter.c: Include gmp.h.
3495         (bounds): New type.
3496         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
3497         split_to_var_and_offset, determine_value_range,
3498         bound_difference_of_offsetted_base, refine_bounds_using_guard,
3499         bound_difference, bounds_add, bounds_negate,
3500         number_of_iterations_ne_max, dump_affine_iv): New functions.
3501         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3502         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
3503         difference of initial and final value of control iv to validate
3504         results.
3505         (number_of_iterations_cond): Add loop parameter.  Determine bounds
3506         on the difference of the extremes of the control iv.  Add dumps.
3507         (expand_simple_operations): Handle phi nodes.
3508         (simplify_using_initial_conditions): Do not record used conditions.
3509         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
3510         Do not set additional_info.
3511         (implies_nonnegative_p, implies_ge_p): Removed.
3512         (derive_constant_upper_bound): Do not use parameter `additional'.
3513         (record_estimate): Parameter `additional' removed.  Parameter
3514         `i_bound' added.  Do not call derive_constant_upper_bound.
3515         (record_nonwrapping_iv): Use derive_constant_upper_bound to
3516         bound the number of iterations estimate.
3517         (estimate_numbers_of_iterations_loop): Pass the estimate from
3518         the number of iterations analysis to record_estimate.
3519         * tree.h (multiple_of_p): Declare.
3520         * tree-scalar-evolution.c (expression_expensive_p): Removed.
3521         (scev_const_prop): Do not check expression_expensive_p.
3522         * fold-const.c (multiple_of_p): Exported.
3523         * double-int.c (double_int_mask): Exported.
3524         * double-int.h (double_int_mask): Declare.
3525         * tree-flow.h (struct tree_niter_desc): Removed additional_info
3526         field.  Added max field.
3527
3528 2007-03-13  David Taylor  <taylor@candd.org>
3529
3530         PR driver/12448:
3531         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
3532         default -MQ.
3533
3534 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3535
3536         PR target/31123
3537         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
3538         two unamed patterns.
3539
3540 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
3541
3542         * config/i386/i386.opt (mcx16, msahf): New options.
3543         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
3544         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
3545
3546         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
3547         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
3548         Output -mcx16 and -msahf options when corresponding bit is set.
3549
3550         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
3551         and -msahf options.
3552
3553 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
3554
3555         * configure.ac: Test for assembler tolerance to # 0 "".
3556         * configure, config.in: Rebuilt.
3557         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
3558
3559 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
3560
3561         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
3562
3563         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
3564         (handle_syscall): Handle direct system calls.
3565         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
3566
3567 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3568
3569         * doc/invoke.texi: Fix cpp.info cross-reference.
3570         * doc/passes.texi: Fix gcc.info cross-reference.
3571
3572 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
3573
3574         PR tree-optimization/30835
3575         * lambda-code.c (can_convert_to_perfect_nest): Check whether
3576         bb_for_stmt is not NULL before accessing it.
3577
3578 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
3579
3580         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
3581         some multilibs.
3582
3583 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
3584
3585         PR 30635
3586         * doc/install.texi: Document --enable-stage1-languages
3587
3588 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
3589
3590         * tree-pass.h (pass_into_cfg_layout_mode,
3591         pass_outof_cfg_layout_mode): Declare.
3592         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
3593         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
3594         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
3595         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
3596
3597 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
3598
3599         * c-decl.c (warn_variable_length_array): New function.
3600         Refactored from grokdeclarator to handle warn_vla
3601         and handle unnamed array case.
3602         (grokdeclarator): Refactored VLA warning case.
3603         * c.opt (Wvla): New flag.
3604         * doc/invoke.texi (Wvla): New warning.
3605
3606 2007-03-12  Richard Henderson  <rth@redhat.com>
3607
3608         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
3609         (TARGET_SECTION_TYPE_FLAGS): New.
3610
3611 2007-03-12  Richard Henderson  <rth@redhat.com>
3612
3613         * config/darwin.c (machopic_reloc_rw_mask): New.
3614         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
3615         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
3616
3617 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
3618
3619         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
3620         * cppdefault.h (cpp_PREFIX): Document.
3621         (cpp_PREFIX_len): Likewise.
3622         (cpp_EXEC_PREFIX): New variable.
3623         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
3624         * c-incpath.c (add_standard_paths): Correct logic for relocating
3625         paths within prefix.
3626
3627 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
3628
3629         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
3630         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
3631         mode macro.
3632         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
3633         fix_truncdfdi_sse using SSEMODEF mode macro.
3634         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
3635         fix_truncdfsi_sse using SSEMODEF mode macro.
3636         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
3637         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
3638
3639 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
3640
3641         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
3642         elfos.h to tm_file.
3643
3644 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
3645
3646         * tree.h : Add multiple_of_p declaration.
3647         * fold-const.c (multiple_of_p): Make multiple_of_p public.
3648         * ipa-type-escape.c (results_of_malloc): Redundant.
3649         (visited_stmts): New. Visited stmt for walk_use_def_chains.
3650         (cast_type): Extended with new members.
3651         (check_cast): Returns cast_type.
3652         (cast): New structure for data of walk_use_def_chains.
3653         (is_malloc_result, is_cast_from_non_pointer_1,
3654         is_cast_from_non_pointer,
3655         is_array_access_through_pointer_and_index): New functions.
3656         (look_for_casts): Returns cast types.
3657         (check_call): Returns void.
3658         (okay_pointer_operation): Use support of pointer plus index,
3659         pointer plus constant and allow all multiplications.
3660
3661 2007-03-11  Richard Guenther  <rguenther@suse.de>
3662
3663         PR tree-optimization/31115
3664         * tree-vrp.c (extract_range_from_binary_expr): Make sure
3665         the shift count is positive and non-anti-range for RSHIFT_EXPR.
3666         A shift count of zero is not special as with *_DIV_EXPR.
3667         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
3668         direction.
3669
3670 2007-03-11  Ian Lance Taylor  <iant@google.com>
3671
3672         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
3673         the *_DIV_EXPR codes correctly with overflow infinities.
3674
3675 2007-03-11  Ira Rosen  <irar@il.ibm.com>
3676
3677         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
3678         indicate success/failure of the analysis. Add negation to subtrahend
3679         in case of subtraction. Fail if both operands contain constants.
3680         (create_data_ref): Fail if analyze_offset fails.
3681
3682 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
3683
3684         * config/i386/i386.md (frndintxf2): Rename to ...
3685         (rintxf2): ... this. Remove expander having same name.
3686         (rintsf2, rintdf2): Implement using SSEMODEF macro.
3687         (roundsf2, rounddf2): Ditto.
3688         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
3689         (lround<mode>di2, lround<mode>si2): Ditto.
3690
3691 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
3692
3693         * lower-subreg.c: Include except.h.
3694         (decompose_multiword_subregs): Verify that the only control flow
3695         insns we can split are loads to multi-words pseudos.
3696         Handle breaking such blocks after splitting, instead of calling
3697         find_many_sub_basic_blocks.
3698
3699         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
3700         on the new basic block.  Add a lengthy comment explaining why we
3701         thought this was necessary.
3702         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
3703
3704 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
3705
3706         PR c++/30924
3707         * tree.c (walk_type_fields): Recurse into the element type of
3708         ARRAY_TYPEs if there is a pointer set.
3709
3710 2007-03-10  Dirk Mueller  <dmueller@suse.de>
3711
3712         * c-common.c (warn_logical_operator): Fix condition.
3713
3714 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
3715
3716         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
3717         quotation mark.
3718         * config/darwin.c (machopic_select_section): Remove superfluous
3719         argument in call to categorize_decl_for_section.  Remove unused
3720         variable shlib.
3721
3722 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
3723
3724         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
3725         defined.
3726         * configure: Regenerate.
3727
3728 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
3729
3730         PR target/31101
3731         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
3732         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
3733         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
3734         Add LABEL_NUSES to emitted label.
3735         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
3736         branch probability value to emitted jump insn.
3737         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
3738         Do not check life information and do not re-arrange input operands
3739         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
3740
3741 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3742
3743         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
3744         the change of decode_asm_operands.
3745
3746 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3747
3748         * mode-switching.c (create_pre_exit): Skip blockage insn.
3749
3750 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
3751
3752         * tree-pass.h (TODO_update_smt_usage): Remove.
3753         Update all users.
3754         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3755         argument SOME.
3756         Update all users.
3757
3758 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3759
3760         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
3761         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
3762         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
3763         SOM target.
3764
3765 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
3766
3767         * gcc.c: Document %{, in big comment at top.
3768         (input_suffix_matches): Remove special handling for .s and
3769         .S.
3770         (input_spec_matches): New.
3771         (handle_braces): Handle %{,.
3772         (validate_switches): ',' indicates a value which is not a switch.
3773         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
3774         to detect assembler input.
3775         * config/i386/sol2.h (CPP_SPEC): Likewise.
3776         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
3777         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
3778         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
3779         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
3780         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
3781         -m64 causes deployment target to default to 10.5.
3782         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3783
3784 2007-03-09  Richard Henderson  <rth@redhat.com>
3785
3786         PR target/26090
3787         * target.h (targetm.asm.out.reloc_rw_mask): New.
3788         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
3789         (TARGET_ASM_OUT): Use it.
3790         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
3791         * varasm.c (categorize_decl_for_section): Remove shlib argument;
3792         use the new reloc_rw_mask target hook instead.
3793         (default_section_type_flags_1): Merge into...
3794         (default_section_type_flags): ... here.
3795         (decl_readonly_section_1): Merge into...
3796         (decl_readonly_section): ... here.
3797         (default_elf_select_section_1): Merge into...
3798         (default_elf_select_section): ... here.
3799         (default_unique_section_1): Merge into...
3800         (default_unique_section): ... here.
3801         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
3802         (default_select_rtx_section): Use it.
3803         (default_elf_select_rtx_section): Likewise.
3804         * output.h: Update to match.
3805         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
3806         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
3807         (TARGET_ASM_RELOC_RW_MASK): New.
3808         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
3809         to categorize_decl_for_section.
3810         (x86_64_elf_unique_section): Likewise.
3811         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
3812         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
3813         (TARGET_ASM_RELOC_RW_MASK): New.
3814         * config/ia64/ia64.c (ia64_rwreloc_select_section,
3815         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
3816         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
3817         (TARGET_RWRELOC): Remove.
3818         (ia64_section_type_flags): Adjust call to default_section_type_flags.
3819         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3820         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
3821         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
3822         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
3823         (rs6000_xcoff_select_section): Use decl_readonly_section.
3824         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
3825         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
3826         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
3827         (TARGET_SECTION_TYPE_FLAGS): Remove.
3828         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
3829
3830 2007-03-09  Roger Sayle  <roger@eyesopen.com>
3831
3832         * fold-const.c (fold_comparison): Remove compile-time evaluation of
3833         complex constant equality/inequality comparisons for here.
3834         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
3835         known at compile-time or can be simplified to a scalar comparison.
3836         (fold_relational_const): Move compile-time evaluation of complex
3837         constant equality/inequality comparisons to here.
3838
3839 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3840
3841         PR rtl-optimization/30643
3842         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
3843         dest_addr_elt.
3844         (fold_rtx): Recurse, like before 2006-11-03.
3845
3846 2007-03-09  DJ Delorie  <dj@redhat.com>
3847
3848         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
3849         m32c-pragma.o.
3850
3851 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
3852
3853         PR tree-optimization/30375
3854         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
3855         LHS of statements is not the same.
3856         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
3857
3858 2007-03-09  Chao-ying Fu  <fu@mips.com>
3859
3860         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
3861         REV 2.
3862         * doc/invoke.texi (-mdspr2): Document new option.
3863         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
3864         New unspec for DSP REV 2.
3865         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
3866         these instructions are extended in DSP REV 2.
3867         (mips-dspr2.md): Include.
3868         * config/mips/mips.opt (mdspr2): New option.
3869         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
3870         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
3871         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
3872         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
3873         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
3874         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
3875         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
3876         and 2 builtins.
3877         (bdesc_map): Add one field of unsupported_target_flags.
3878         (bdesc_arrays):  Update entries to have extra fields.  Add
3879         dsp_32only_bdesc.
3880         (mips_init_builtins): Initialize new function types.
3881         Check unsupported_target_fileds to filter out builtins.
3882         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
3883         TARGET_DSPR2.
3884         (ASM_SPEC): Pass mdspr2 to the assembler.
3885         * config/mips/mips-dspr2.md: New file.
3886
3887 2007-03-09  Sa Liu  <saliu@de.ibm.com>
3888
3889         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
3890
3891 2007-03-09  Ian Lance Taylor  <iant@google.com>
3892
3893         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
3894         argument) like -Wstrict-overflow=2.
3895         * doc/invoke.texi (Warning Options): Update documentation.
3896
3897 2007-03-09  Dirk Mueller  <dmueller@suse.de>
3898
3899         PR c++/17946
3900         * doc/invoke.texi (-Wlogical-op): Document.
3901         * common.opt (-Wlogical-op): New.
3902         * c-common.h (warn_logical_operator): Declare.
3903         * c-common.c (warn_logical_operator): Define.
3904         * c-typeck.c (parser_build_binary_op): Call
3905         warn_logical_operator.
3906
3907 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3908
3909         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
3910         * final.c (final_scan_insn): Test for non-"" file name.
3911
3912 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
3913
3914         * doc/loop.texi: Document the Omega linear constraints solver.
3915         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
3916         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
3917         omega-hash-table-size, omega-max-keys, and
3918         omega-eliminate-redundant-constraints.
3919         * tree-pass.h (pass_check_data_deps): Declared.
3920         * omega.c: New.
3921         * omega.h: New.
3922         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
3923         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
3924         pass_check_data_deps): New.
3925         * tree-data-ref.c (init_data_ref): Remove declaration.
3926         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
3927         (analyze_array): Renamed init_array_ref, move up initializations.
3928         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
3929         Removed arguments that are set to NULL.
3930         (analyze_indirect_ref): Correct indentation, correct call to
3931         init_pointer_ref.
3932         (object_analysis): Call init_array_ref instead of analyze_array.
3933         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
3934         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
3935         of DR_ACCESS_FNS_ADDR.
3936         (init_omega_eq_with_af, omega_extract_distance_vectors,
3937         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
3938         ddr_consistent_p): New.
3939         (compute_affine_dependence): Check consistency of ddrs when
3940         flag_check_data_deps is passed.
3941         (analyze_all_data_dependences): Uncomment.
3942         (tree_check_data_deps): New.
3943         * tree-data-ref.h: Include omega.h.
3944         (DR_ACCESS_FNS_ADDR): Removed.
3945         (data_dependence_relation): Add inner_loop.
3946         (DDR_INNER_LOOP): New.
3947         * common.opt (fcheck-data-deps): New.
3948         * tree-flow.h (tree_check_data_deps): Declare.
3949         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
3950         (OBJS-common): Depend on omega.o.
3951         (omega.o): Define.
3952         * passes.c (pass_check_data_deps): Scheduled.
3953         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
3954         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
3955         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
3956         PARAM_VECT_MAX_VERSION_CHECKS,
3957         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
3958
3959 2007-03-09  Richard Guenther  <rguenther@suse.de>
3960
3961         PR tree-optimization/30904
3962         PR middle-end/31058
3963         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
3964         the same way as *_DIV_EXPR.
3965
3966 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3967
3968         * recog.c (decode_asm_operands): No mixed declarations and code.
3969
3970 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
3971
3972         * rtl.def (ASM_INPUT): Add location.
3973         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
3974         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
3975         (decode_asm_operands): Add loc operand.
3976         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
3977         * stmt.c (expand_asm): Rename to...
3978         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
3979         gen_rtx_ASM_INPUT_loc.
3980         (expand_asm_expr): Adjust.
3981         * recog.c (decode_asm_operands): Add loc operand.
3982         (check_asm_operands, extract_insn): Adjust.
3983         * reload1.c (maybe_fix_stack_asms): Likewise.
3984         * final.c (asm_insn_count): Likewise.
3985         (final_scan_insn): Output # line before and after asm.
3986
3987 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
3988
3989         * tree-ssa-structalias.c (variable_info): Remove
3990         finished_solution.
3991         (new_var_info): Ditto.
3992         (shared_bitmap_info_t): New structure.
3993         (shared_bitmap_table): New variable.
3994         (shared_bitmap_hash): New function.
3995         (shared_bitmap_eq): Ditto
3996         (shared_bitmap_lookup): Ditto.
3997         (shared_bitmap_add): Ditto.
3998         (merge_smts_into): Change to take bitmap directly.
3999         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
4000         (init_alias_vars): Init shared bitmap hashtable.
4001         (delete_points_to_sets): Delete shared bitmap hashtable.
4002         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
4003         is_aliased removal as a change that was still necessary was
4004         deleted.
4005
4006 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
4007
4008         * config/i386/i386.h (override_options): Conditionally disable
4009         x86_sahf for 64bit targets only.
4010
4011 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4012
4013         PR C/31072
4014         * c-decl.c (merge_decls): Don't call make_var_volatile.
4015         * varasm.c (make_var_volatile): Remove.
4016         * output.h (make_var_volatile): Remove.
4017
4018 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
4019
4020         PR tree-optimization/31085
4021         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
4022
4023 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4024
4025         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
4026         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
4027         ATTR_CONST_NOTHROW_LIST.
4028
4029         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4030         FIX_TRUNC_EXPR.
4031
4032 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
4033
4034         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
4035
4036 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
4037
4038         PR 31013
4039         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
4040         is declared.
4041         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
4042         passed, use shared libgcc.
4043
4044 2007-03-08  Roger Sayle  <roger@eyesopen.com>
4045
4046         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
4047         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4048         (honor_protect_cleanup_actions, lower_try_finally_switch):
4049         Likewise.
4050         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
4051         ifc_temp_var): Likewise.
4052         * tree-inline.c (setup_one_parameter): Likewise.
4053         * tree-mudflap.c (mf_decl_cache_locals,
4054         mf_build_check_statement_for): Likewise.
4055         * tree-nested.c (init_tmp_var, save_tmp_var,
4056         finalize_nesting_tree_1): Likewise.
4057         * tree-outof-ssa.c (insert_copy_on_edge,
4058         insert_backedge_copies): Likewise.
4059         * tree-profile.c (tree_gen_edge_profiler,
4060         tree_gen_ic_profiler): Likewise.
4061         * tree-scalar-evolution.c (scev_const_prop): Likewise.
4062         * tree-sra.c (sra_build_assignment): Likewise.
4063         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
4064         * tree-ssa-math-opts.c (insert_reciprocals,
4065         execute_cse_sincos_1): Likewise.
4066         * tree-tailcall.c (adjust_accumulator_values,
4067         adjust_return_value): Likewise.
4068         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
4069         * tree-vect-transform.c (vect_create_data_ref_ptr,
4070         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
4071         vect_create_epilog_for_reduction, vectorizable_reduction,
4072         vectorizable_call, vectorizable_conversion,
4073         vectorizable_assignment, vectorizable_operation,
4074         vectorizable_type_demotion, vect_gen_widened_results_half,
4075         vect_permute_store_chain, vectorizable_store,
4076         vect_setup_realignment, vect_permute_load_chain,
4077         vectorizable_load, vectorizable_condition,
4078         vect_create_cond_for_align_checks): Likewise.
4079         * tree-vrp.c (build_assert_expr_for): Likewise.
4080
4081 2007-03-08  Ian Lance Taylor  <iant@google.com>
4082
4083         * tree-vrp.c: Include "intl.h".
4084         (usable_range_p): New static function.
4085         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
4086         overflowed values, juts set *strict_overflow_p.
4087         (compare_values): Only return -2 if one of the operands is not a
4088         constant.
4089         (compare_ranges): Call usable_range_p.
4090         (compare_range_with_value): Likewise.
4091         (vrp_evaluate_conditional_warnv): Rename from
4092         vrp_evaluate_conditional.  Make static.  Change all callers.
4093         (vrp_evaluate_conditional): New function.
4094         (simplify_div_or_mod_using_ranges): Issue warning about reliance
4095         on signed overflow.
4096         (simplify_abs_using_ranges): Likewise.
4097         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
4098         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
4099         within_stmt parameter.
4100         * tree-ssa-propagate.c (fold_predicate_in): Update call to
4101         vrp_evaluate_conditional.
4102         * tree-ssa-threadedge.c
4103         (record_temporary_equivalences_from_stmts_at_dest): Change
4104         simplify parameter to take a second tree parameter.
4105         (simplify_control_stmt_condition): Likewise.
4106         (thread_across_edge): Likewise.
4107         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4108         (thread_across_edge): Likewise.
4109         * Makefile.in (tree-vrp.o): Depend upon intl.h.
4110
4111 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
4112
4113         * config/i386/i386.h (TARGET_SAHF): New define.
4114         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
4115         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
4116         (x86_sahf): New global variable.
4117         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
4118         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
4119         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
4120         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
4121         for 64-bit.
4122         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
4123         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
4124         when expanding fcomi/sahf based tests.
4125         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
4126         expanding sahf based alternative. Emit sahf based sequence when
4127         optimizing for code size.
4128         * config/i386/i386.md (x86_sahf_1): Do not disable for
4129         TARGET_64BIT, enable for TARGET_SAHF.
4130
4131 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
4132
4133         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
4134         spurious whitespace from error message.
4135
4136 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
4137
4138         PR c++/30852
4139         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
4140
4141 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
4142
4143         * c-decl.c (grokdeclarator): Disable warnings for anonymous
4144         bitfields.
4145         * tree-sra.c (instantiate_element): Propagate disabled warnings
4146         from the element itself to the created variable.
4147
4148 2007-03-07  Richard Henderson  <rth@redhat.com>
4149
4150         PR target/30848
4151         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
4152         silently fix up the stack in the case of a missing register.
4153
4154 2007-03-07  Paul Brook  <paul@codesourcery.com>
4155
4156         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
4157
4158 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
4159
4160         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
4161         New.
4162         (phase1_vrs): Use them.
4163         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
4164         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
4165         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
4166         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
4167         __gnu_Unwind_Restore_WMMXC if required.
4168         (_Unwind_VRS_Pop): Implement iWMMXt support.
4169         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
4170         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
4171         gnu_Unwind_Save_WMMXC): Define.
4172
4173 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4174
4175         * config/vxworks.h (vxworks_override_options): Declare.
4176         (VXWORKS_OVERRIDE_OPTIONS): Use it.
4177         * config/vxworks.c: Include target.h and toplev.h.
4178         (vxworks_override_options): New function.
4179         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
4180
4181 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4182
4183         * config/s390/s390.c (override_options): Don't emit an error when
4184         -mstack-size is used without providing -mstack-guard.
4185         (s390_emit_prologue): Choose stack_guard value automatically if not
4186         provided via command line.
4187         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
4188
4189 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
4190
4191         * config/i386/i386.c (output_set_got): Add a GOT initialization
4192         sequence for VxWorks PIC.
4193         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
4194         around labels as well as symbols.  Use gotoff_operand instead
4195         of local_symbolic_operand.
4196         (legitimize_pic_address): Use gotoff_operand instead of
4197         local_symbolic_operand.  Use @GOT accesses for labels as
4198         well as symbols.
4199         (ix86_output_addr_diff_elt): Use PC-relative rather than
4200         GP-relative offsets for VxWorks PIC.
4201         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
4202         no_new_pseudos.  Check whether the returned register is op0.
4203         * config/i386/i386.md (tablejump): Use PC-relative rather than
4204         GP-relative offsets for VxWorks PIC.
4205         * config/i386/predicates.md (gotoff_operand): New predicate.
4206
4207 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4208
4209         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
4210         before defining.
4211         * config/vxworks-dummy.h: New file.
4212         * config/i386/i386.h: Include it.
4213
4214 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
4215
4216         * dwarf2out.c (is_inlined_entry_point): New
4217         (add_high_low_attributes): Emit DW_AT_entry_pc along with
4218         DW_AT_ranges if the first subblock is the entry point.
4219
4220 2007-03-06  David Daney  <ddaney@avtrex.com>
4221
4222         * doc/install.texi (mips-*-*): Change recommended binutils
4223         version.
4224
4225 2007-03-06  Anatoly Sokolov <aesok@post.ru>
4226
4227         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
4228         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
4229         devices.
4230         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4231         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4232
4233 2007-03-06  Jan Hubicka  <jh@suse.cz>
4234
4235         * errors.h (warning, error, fatal, internal_error): Mark as cold.
4236         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
4237         are hot.
4238         (probably_cold_bb_p): Cold functions are cold.
4239         (probably_never_executed_bb_p): Cold functions are cold.
4240         (tree_bb_level_predictions): Predict calls to cold functions as not
4241         taken.
4242         (compute_function_frequency): Check hot/cold attributes.
4243         * function.h (function_frequency): Update comments.
4244         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
4245         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
4246         (c_common_att): Add cold and hot.
4247
4248         * doc/extend.texi (hot,cold attributes): Document.
4249
4250 2007-03-06  Andrew Haley  <aph@redhat.com>
4251
4252         * function.c (expand_function_end): Move blockage to just after we
4253         emit the label for the naked return from the function.
4254
4255 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4256
4257         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
4258         before redefining.
4259
4260 2007-03-06  Jan Hubicka  <jh@suse.cz>
4261
4262         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
4263         loaded for constant large models.  Non-large 64bit PIC can do.
4264         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
4265         * cmodel.h: Add LARGE PIC.
4266         * i386.md (UNSPEC_PLTOFF): New.
4267         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
4268         needed.
4269         (*call_1_rex64): Disable for large models.
4270         (*call_1_rex64_large): New.
4271         (*call_value_1_rex64): Disable for large models.
4272         (*call_value_1_rex64_large): New.
4273         (set_rip_rex4): New.
4274         (set_got_offset_rex64): New.
4275         * predicates.md (constant_call_address_operand): For large model
4276         constant calls are not possible.
4277         * i386-protos.h (construct_plt_address): Declare.
4278         * i386.c (override_options): Accept large models.
4279         (ix86_expand_prologue): Expand large PIC GOT pointer load.
4280         (legitimate_constant_p): Add new UNSPECs.
4281         (legitimate_pic_operand_p): Likewise.
4282         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
4283         (legitimize_pic_address): Do easy RIP relative way for TLS only for
4284         non-large model.
4285         (output_pic_addr_const): Add PLTOFF.
4286         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
4287         (ix86_expand_move): Legitimize pic address when in PIC mode.
4288         (construct_plt_address): New function.
4289         (ix86_expand_call): Offload the address to register and use GOT pointer
4290         for large model.
4291         * invoke.texi (mcmodel=large): Update documentation.
4292
4293 2007-03-06  Richard Henderson  <rth@redhat.com>
4294
4295         * config/i386/i386.c (x86_use_leave, x86_push_memory,
4296         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
4297         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
4298         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
4299         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
4300         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
4301         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
4302         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
4303         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
4304         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4305         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4306         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
4307         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4308         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4309         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
4310         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
4311         x86_schedule, x86_use_bt, x86_pad_returns,
4312         x86_use_xchgb): Merge into ...
4313         (ix86_tune_features): ... here.  New array.
4314         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4315         x86_bswap): Merge into ...
4316         (ix86_arch_features): ... here.  New array.
4317         (x86_3dnow_a): Remove.
4318         (x86_accumulate_outgoing_args): Make static.
4319         (x86_arch_always_fancy_math_387): Make static.
4320         (ix86_tune_mask, ix86_arch_mask): Move ...
4321         (override_options): ... to local variables here.  Apply the
4322         appropriate mask to each element of ix86_arch_features and
4323         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
4324         as were done in the old macros.
4325         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
4326         * config/i386/i386.h (x86_use_leave, x86_push_memory,
4327         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
4328         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
4329         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
4330         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
4331         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
4332         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
4333         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
4334         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
4335         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
4336         x86_partial_reg_dependency, x86_memory_mismatch_stall,
4337         x86_accumulate_outgoing_args, x86_prologue_using_move,
4338         x86_epilogue_using_move, x86_decompose_lea,
4339         x86_arch_always_fancy_math_387, x86_shift1,
4340         x86_sse_partial_reg_dependency, x86_sse_split_regs,
4341         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
4342         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
4343         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
4344         x86_use_incdec, x86_pad_returns, x86_bswap,
4345         x86_partial_flag_reg_stall): Remove.
4346         (enum ix86_tune_indices): New.
4347         (ix86_tune_features): New.
4348         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
4349         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
4350         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
4351         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
4352         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
4353         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
4354         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
4355         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
4356         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
4357         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
4358         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
4359         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
4360         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
4361         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
4362         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
4363         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
4364         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
4365         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
4366         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
4367         TARGET_EXT_80387_CONSTANTS): Use it.
4368         (enum ix86_arch_indices): New.
4369         (ix86_arch_features): New.
4370         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
4371         TARGET_BSWAP): Use it.
4372         (ix86_tune_mask, ix86_arch_mask): Remove.
4373
4374 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
4375
4376         PR bootstrap/31020
4377         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
4378         Define using $${sysroot_headers_suffix}.
4379         * configure: Regenerate.
4380         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
4381         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
4382         defined.
4383         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
4384         * gcc.c (print_sysroot_headers_suffix): New.
4385         (option_map): Include --print-sysroot-headers-suffix.
4386         (display_help): Mention -print-sysroot-headers-suffix.
4387         (process_command): Handle -print-sysroot-headers-suffix.
4388         (do_spec_1): Append multilib directory to include-fixed path if
4389         sysroot suffixes in use.
4390         (main): Handle -print-sysroot-headers-suffix.
4391         * Makefile.in (start.encap): Don't depend on xlimits.h
4392         (xlimits.h): Remove.
4393         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
4394         limits.h for each multilib in fixinc_list.
4395         (fixinc_list, s-fixinc_list): New.
4396         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
4397         generate them for each multilib in fixinc_list.
4398         (stmp-fixproto): Use include-fixed.  Run fixproto for each
4399         multilib in fixinc_list.
4400         (mostlyclean): Don't remove xlimits.h.
4401         (clean): Remove include-fixed.
4402         (real-install-headers-tar, real-install-headers-cpio,
4403         real-install-headers-cp): Don't copy include, only include-fixed.
4404         (install-mkheaders): Depend on fixinc_list.  Don't depend on
4405         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
4406         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
4407         SYSTEM_HEADER_DIR setting in mkheaders.conf.
4408
4409 2007-03-06  Jan Hubicka  <jh@suse.cz>
4410
4411         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
4412         NANs easilly.
4413
4414 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4415
4416         * configure.ac: Allow tm_file to contain build-directory files.
4417         * configure: Regenerate.
4418         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
4419         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
4420         * config/m68k/print-sysroot-suffix.sh: New file.
4421
4422 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4423
4424         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
4425         of pic_offset_table_rtx if reload_completed.
4426         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
4427         PIC_OFFSET_TABLE_REGNUM.
4428         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
4429         return true.
4430         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
4431         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
4432
4433 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4434
4435         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4436         functions that call eh_return.
4437
4438 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4439
4440         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
4441         functions that need a constant pool.
4442
4443 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4444
4445         PR target/28181
4446         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
4447         (m68k_preferred_reload_class): Likewise.
4448         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
4449         (SECONDARY_RELOAD_CLASS): Define.
4450         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
4451         (LIMIT_RELOAD_CLASS): Delete.
4452         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
4453         registers from storing bytes.
4454         (m68k_secondary_reload_class): New function.
4455         (m68k_preferred_reload_class): Likewise.
4456
4457 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4458
4459         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
4460         leaf functions.
4461         (m68k_expand_prologue): Likewise.
4462
4463 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4464
4465         * config/m68k/m68k-protos.h (output_sibcall): Declare.
4466         (mips_expand_epilogue): Add a bool parameter.
4467         (m68k_legitimize_sibcall_address): Declare.
4468         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
4469         (m68k_expand_epilogue): Add a parameter to select between sibling
4470         and normal epilogues.  Only generate a return for the latter.
4471         (m68k_ok_for_sibcall_p): New function.
4472         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
4473         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
4474         (sibcall_value, *sibcall_value): Likewise.
4475         (*call, *call_value): Require !SIBLING_CALL_P.
4476         (epilogue): Update call to m68k_expand_epilogue.
4477         (sibcall_epilogue): New pattern.
4478         * config/m68k/predicates.md (const_call_operand): Say that this
4479         predicate applies to sibling calls too.
4480         (sibcall_operand): New predicate.
4481
4482 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4483
4484         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4485         alternatives as movsi_cf.
4486         (movsf_cf_hard): Add commentary.
4487
4488 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
4489             Richard Sandiford  <richard@codesourcery.com>
4490
4491         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
4492         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
4493         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
4494         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
4495         as being live on exit from an interrupt function.
4496         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
4497         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
4498         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
4499         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
4500         (m68k_interrupt_function_p): Globalize.
4501         (m68k_compute_frame_layout): Remove reverse mask code.
4502         (m68k_emit_movem, m68k_set_frame_related): New functions.
4503         (m68k_output_function_prologue): Delete in favor of...
4504         (m68k_expand_prologue): ...this new function.
4505         (m68k_output_function_epilogue): Delete in favor of...
4506         (m68k_expand_epilogue): ...this new function.
4507         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
4508         functions.
4509         (print_operand): Handle %?.
4510         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
4511         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
4512         (prologue, epilogue): New patterns.
4513         (return): Turn into a define_expand.
4514         (*return): New pattern, derived from old "return" pattern.  Use rte
4515         rather than rts for interrupt functions.  Only use rtd if the pop
4516         count is nonzero.
4517         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
4518         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
4519         (link, *link, unlink, *unlink, load_got): Likewise.
4520
4521 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
4522
4523         PR target/23482
4524         PR target/17114
4525         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
4526         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
4527         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
4528         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
4529         and m68k_matches_u_p.
4530         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
4531         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
4532         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
4533         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
4534         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
4535         (REG_STRICT_P): New macro.
4536         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
4537         PCREL_GENERAL_OPERAND_OK.
4538         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
4539         m68k_legitimate_base_reg_p.
4540         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
4541         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
4542         (PIC_CASE_VECTOR_ADDRESS): Update comment.
4543         * config/m68k/m68k.c (m68k_address): New structure.
4544         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
4545         (m68k_decompose_index, m68k_legitimate_constant_address_p)
4546         (m68k_jump_table_ref_p, m68k_decompose_address)
4547         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
4548         (m68k_matches_u_p): New functions.
4549         (print_operand_address): Rewrite to use m68k_decompose_index.
4550
4551 2007-03-05  David Taylor  <dtaylor@emc.com>
4552
4553         * gcc.c: Correct copyright date in --version output.
4554
4555 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4556
4557         * pa.md: In unamed move patterns, disparge copies between general
4558         and floating point registers using '?' modifier.  Don't include 'f'
4559         constraint for register preferences in DImode, SImode, HImode and
4560         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
4561         Remove constraints for copies between general and floating registers
4562         in soft-float DFmode pattern.
4563         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
4564         floating register.
4565         (movsf): Likewise.
4566
4567 2007-03-05  Mike Stump  <mrs@apple.com>
4568
4569         * c-common.c (targetcm): Add.
4570         * c-opts.c (c_common_handle_option): Handle language specific
4571         target options.
4572         * opts.c (handle_option): Verify language for target options, if
4573         any are given.
4574         * opth-gen.awk: Add CL_LANG_ALL.
4575         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
4576         (TARGETCM_INITIALIZER): Add.
4577         * target.h (struct gcc_targetcm): Add.
4578         (targetcm): Add.
4579         * targhooks.c (default_handle_c_option): Add.
4580         * targhooks.h (default_handle_c_option): Add.
4581         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
4582
4583         * config/darwin.opt (iframework): Add.
4584         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
4585         * config/darwin-c.c (handle_c_option): Add.
4586         (TARGET_HANDLE_C_OPTION): Add.
4587         (targetcm): Add.
4588         * doc/invoke.texi (Darwin Options): Add -iframework.
4589
4590 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4591
4592         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
4593         conversion.
4594
4595 2007-03-05  Ian Lance Taylor  <iant@google.com>
4596
4597         * c.opt (fgnu89-inline): New option.
4598         * c-opts.c (c_common_post_options): Set default value for
4599         flag_gnu89_inline.
4600         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
4601         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
4602         inline functions.
4603         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
4604         (grokdeclarator, start_function): Likewise.
4605         * c-cppbuiltin.c (c_cpp_builtins): Define either
4606         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
4607         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
4608         (C Dialect Options): Document -fgnu89-inline.
4609         * doc/extend.texi (Function Attributes): Explain what the
4610         gnu_inline attribute does.
4611         * doc/cpp.texi (Common Predefined Macros): Document
4612         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4613
4614 2007-03-05  Ian Lance Taylor  <iant@google.com>
4615
4616         PR tree-optimization/31034
4617         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
4618         half-range if the other side is an overflow infinity.
4619
4620 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4621
4622         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
4623         (bfin*-linux-uclibc*): New configuration.
4624         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
4625         defining.
4626         * config/bfin/linux.h: New file.
4627         * config/bfin/libgcc-bfin.ver: New file.
4628         * config/bfin/t-bfin-uclinux: New file.
4629         * config/bfin/t-bfin-linux: New file.
4630         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
4631         (TARGET_OS_CPP_BUILTINS): New macro.
4632
4633 2007-03-05  Richard Guenther  <rguenther@suse.de>
4634
4635         * fold-const.c (fold_binary): Remove duplicate folding
4636         of comparison of non-null ADDR_EXPR against null.
4637
4638 2007-03-05  Richard Guenther  <rguenther@suse.de>
4639             Dorit Nuzman  <dorit@il.ibm.com>
4640
4641         PR tree-optimization/26420
4642         * tree-vectorizer.c (vectorize_loops): Bail out early if there
4643         are no loops in the function.  Only print the number of
4644         vectorized loops if it is greater than zero or we are supposed
4645         to print information about unvectorized loops.
4646
4647 2007-03-05  Revital Eres  <eres@il.ibm.com>
4648
4649         * gcc.dg/var-expand1.c: New test.
4650         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
4651         when an accumulator is expanded.
4652
4653 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4654
4655         PR other/30465
4656         * c-common.c (convert_and_check): Don't give warnings for
4657         conversion if 'expr' already overflowed.
4658
4659 2007-03-04  Roger Sayle  <roger@eyesopen.com>
4660
4661         PR middle-end/30744
4662         * fold-const.c (fold_comparison): Enforce type consistency when
4663         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
4664
4665 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
4666
4667         * tree-ssa-address.c (create_mem_ref): Do not put an expression
4668         containing a cast to the base of TARGET_MEM_REF.
4669
4670 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
4671
4672         * tree.c (tree_contains_struct_check_failed): Remove spurious
4673         whitespace from error message.
4674
4675 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
4676
4677         PR target/30406
4678         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
4679         instead of precision.
4680
4681 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
4682             Nathan Sidwell  <nathan@codesourcery.com>
4683
4684         * emit-rtl.c (find_auto_inc): New.
4685         (try_split): recreate REG_INC notes,
4686         Use regular for loops rather than whiles.
4687
4688 2007-03-03  Andreas Schwab  <schwab@suse.de>
4689
4690         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
4691         * configure: Regenerate.
4692
4693 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4694
4695         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
4696         flag_rounding_math, not flag_unsafe_math_optimizations.
4697
4698         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
4699         fold_build2.
4700         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
4701         alpha_fold_vector_minmax): Likewise.
4702         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
4703         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
4704
4705 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4706
4707         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
4708         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
4709         if the lhs has side-effects.
4710         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
4711
4712 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4713
4714         * config/i386/i386.h (TUNEMASK): Remove define.
4715         (ARCHMASK): Remove define.
4716         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
4717          Use ix86_arch_mask variable instead of ARCHMASK.
4718         * config/i386/i386.c (override_options): Ditto.
4719         (standard_80387_constant_p): Ditto.
4720
4721 2007-03-02  Ian Lance Taylor  <iant@google.com>
4722
4723         Used signed infinities in VRP.
4724         * tree-vrp.c (uses_overflow_infinity): New static function.
4725         (supports_overflow_infinity): New static function.
4726         (make_overflow_infinity): New static function.
4727         (negative_overflow_infinity): New static function.
4728         (positive_overflow_infinity): New static function.
4729         (is_negative_overflow_infinity): New static function.
4730         (is_positive_overflow_infinity): New static function.
4731         (is_overflow_infinity): New static function.
4732         (overflow_infinity_range_p): New static function.
4733         (compare_values_warnv): New function split out of compare_values.
4734         (compare_value): Call it.
4735         (set_value_range_to_nonnegative): Add overflow_infinity
4736         parameter.  Change caller.
4737         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
4738         Change callers.
4739         (vrp_expr_computes_nonzero): Likewise.
4740         (compare_ranges, compare_range_with_value): Likewise.
4741         (compare_name_with_value, compare_names): Likewise.
4742         (vrp_evaluate_conditional): Likewise.
4743         (set_value_range): Handle infinity
4744         (vrp_operand_equal_p, operand_less_p): Likewise.
4745         (extract_range_from_assert): Likewise.
4746         (vrp_int_const_binop): Likewise.
4747         (extract_range_from_binary_expr): Likewise.
4748         (extract_range_from_unary_expr): Likewise.
4749         (extract_range_from_comparison): Likewise.
4750         (extract_range_from_expr): Likewise.
4751         (dump_value_range): Likewise.
4752         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
4753         (test_for_singularity): Likewise.
4754         (vrp_int_const_binop): Remove inline qualifier.
4755         (adjust_range_with_scev): Add comment.
4756         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
4757
4758 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
4759
4760         * tree-ssa-structalias.c (could_have_pointers): Tidy.
4761         (get_constraint_for): Likewise.
4762         (do_structure_copy): Likewise.
4763         (find_func_aliases): Fix references to MODIFY_EXPR.
4764         (intra_create_variable_infos): Tidy.
4765         * tree-ssa-operands.c (add_virtual_operand): Add argument
4766         IS_CALL_SITE.
4767         When adding members of alias sets, if IS_CALL_SITE is true and
4768         the symbol is not call-clobbered, skip it.
4769         Adjust all callers.
4770
4771 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
4772
4773         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
4774         entry by means of emit_insn_at_entry.
4775
4776 2007-03-02  Richard Henderson  <rth@redhat.com>
4777
4778         * expr.h (promoted_input_arg): Remove decl.
4779         * function.c (promoted_input_arg): Merge into ...
4780         * combine.c (setup_incoming_promotions): ... only caller.
4781         Rearrange to avoid double loop.
4782
4783 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4784             Peter Bergner  <bergner@vnet.ibm.com>
4785             Janis Johnson  <janis187@us.ibm.com>
4786
4787         * config/rs6000/dfp.md: New file.
4788         * config/rs6000/rs6000.md: Include dfp.md.
4789         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
4790         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
4791         and TDmode decimal float modes in FP registers.
4792         (num_insns_constant): Likewise.
4793         (rs6000_legitimate_offset_address_p): Likewise.
4794         (rs6000_legitimize_address): Likewise.
4795         (rs6000_legitimize_reload_address): Likewise.
4796         (rs6000_legitimate_address): Likewise.
4797         (rs6000_emit_move): Likewise.
4798         (function_arg_boundary): Likewise.
4799         (function_arg_advance): Likewise.
4800         (rs6000_darwin64_record_arg_recurse): Likewise.
4801         (function_arg): Likewise.
4802         (rs6000_gimplify_va_arg): Likewise.
4803         (rs6000_split_multireg_move): Likewise.
4804         (rs6000_output_function_epilogue): Likewise.
4805         (rs6000_output_function_epilogue): Likewise.
4806         (rs6000_register_move_cost): Likewise.
4807         (rs6000_function_value): Likewise.
4808         (rs6000_libcall_value): Likewise.
4809
4810 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4811
4812         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
4813
4814 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
4815
4816         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
4817         Use $MULTIDIR to choose between the kernel and RTP headers,
4818         and use $WIND_BASE and $WIND_USR to locate them.
4819
4820 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4821
4822         * config/i386/i386.c (override_options): Put initialization of
4823         ix86_tune_mask and ix86_arch_mask to the correct place.
4824
4825 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
4826             Michael Meissner  <michael.meissner@amd.com>
4827
4828         PR target/31019
4829         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
4830         (ARCHMASK): Define.
4831         (TARGET_CMOVE): Use ARCHMASK.
4832         (TARGET_CMPXCHG): Ditto.
4833         (TARGET_CMPXCHG8B): Ditto.
4834         (TARGET_XADD): Ditto.
4835         (TARGET_BSWAP): Ditto.
4836         * config/i386/i386.c (ix86_tune_mask): New global variable.
4837         (ix86_arch_mask): Ditto.
4838         (override_options): Initialize ix86_tune_mask and
4839         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
4840         target_flags.
4841
4842 2007-03-02  Ben Elliston  <bje@au.ibm.com>
4843
4844         PR 30992
4845         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
4846
4847 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
4848
4849         * target.h (init_dwarf_reg_sizes_extra): New target hook.
4850         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
4851         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
4852         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
4853         hook.
4854         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
4855         rs6000_init_dwarf_reg_sizes_extra): New.
4856         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
4857         SPE register high parts.
4858
4859 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
4860
4861         * Makefile.in: Add install-pdf target as
4862         copied from automake v1.10 rules.
4863         * configure.ac: Add install-pdf to target list.
4864         * configure: Regenerate.
4865
4866 2007-03-01  Paul Brook  <paul@codesourcery.com>
4867
4868         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
4869         modes to LDRD for DImode.
4870         (output_move_double): Fixup out of range ldrd/strd.
4871         (vfp_secondary_reload_class): Rename...
4872         (coproc_secondary_reload_class): ... to this.  Add wb argument.
4873         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
4874         coproc_secondary_reload_class for CLASS_IWMMXT.
4875         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
4876         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
4877
4878 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
4879
4880         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
4881         factor by the estimated number of iterations.
4882         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
4883         prefetch latency.
4884
4885         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
4886         decode_caches_intel, detect_caches_intel): New functions.
4887         (host_detect_local_cpu): Use detect_caches_amd and
4888         detect_caches_intel.
4889
4890 2007-03-01  Richard Henderson  <rth@redhat.com>
4891
4892         * expr.c (emit_move_complex_push): Export.
4893         (emit_move_complex_parts): Split out from ...
4894         (emit_move_complex): ... here.
4895         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
4896         * config/i386/i386.md (movcdi): New.
4897
4898 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
4899
4900         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
4901         size of mode1 to check for tieable modes in MMX case.
4902
4903 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
4904
4905         * Makefile.in (rtlanal.o): Depend on tree.h.
4906         * rtl.h (offset_within_section_p, split_const): Declare.
4907         * rtlanal.c: Include tree.h.
4908         (offset_within_block_p): New function, taken from
4909         mips_offset_within_object_p.
4910         (split_const): New function, taken from mips_split_const.
4911         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
4912         Declare.
4913         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
4914         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
4915         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
4916         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4917         (m68k_illegitimate_symbolic_constant_p): New function.
4918         * config/m68k/m68k.md (movsi): Remove misleading predicates.
4919         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
4920         symbolic constant that might be outside the symbol's section,
4921         move the symbol first and then add the offset.
4922         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
4923         Override.
4924         * config/mips/mips.c (mips_split_const): Delete.
4925         (mips_offset_within_object_p): Delete.
4926         (mips_symbolic_constant_p): Use offset_within_section_p and
4927         split_const instead of mips_offset_within_object_p and
4928         mips_split_const.
4929         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
4930         (mips_legitimize_const_move, print_operand_reloc)
4931         (mips_dangerous_for_la25_p): Use split_const instead of
4932         mips_split_const.
4933
4934 2007-02-28  Eric Christopher  <echristo@apple.com>
4935
4936         * Makefile.in (install-include-dir): Don't rm -rf include.
4937
4938 2007-02-28  Richard Guenther  <rguenther@suse.de>
4939
4940         PR middle-end/30364
4941         * fold-const.c (fold_binary): Do not associate expressions
4942         with more than one variable for integer types that do not wrap.
4943
4944 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
4945
4946         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
4947         Delete, and replace with...
4948         (fold_builtin_call_array): This.  Update callers to use it.
4949         * fold-const.c (fold_build_call_list): Delete, and replace with...
4950         (fold_build_call_array): This.
4951         (fold_build_call_list_initializer): Delete, and replace with...
4952         (fold_build_call_array_initializer): This.
4953         * tree.h: Update declarations to reflect above changes.
4954
4955         * c-typeck.c (build_function_call): Store converted arguments
4956         in a stack-allocated array instead of building a list.
4957         (convert_arguments): Store arguments in the array passed in as an
4958         argument, and return the actual number of arguments.
4959         * c-format.c: (check_function_format): Pass arguments in an
4960         array instead of a list.
4961         * c-common.c (check_function_nonnull): Likewise.
4962         (check_function_sentinel): Likewise.
4963         (check_function_arguments): Likewise.
4964         * c-common.h: Update declarations to reflect above changes.
4965
4966 2007-02-28  Jan Hubicka  <jh@suse.cz>
4967
4968         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
4969         PRED_NEGATIVE_RETURN): Update outcomes.
4970
4971 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
4972
4973         * calls.c (emit_library_call_value_1): Handle partial registers
4974         correctly when building up CALL_INSN_FUNCTION_USAGE.
4975
4976 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4977
4978         * pa/predicates.md (move_src_operand): Allow zero for mode.
4979         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
4980         move pattern.
4981
4982 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
4983
4984         PR target/30970
4985         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
4986         *movv2df_internal): Enable pattern only for valid operand
4987         combinations.
4988         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
4989         tie only 128bit modes. For MMX registers, tie only 64bit modes.
4990
4991 2007-02-27  Mike Stump  <mrs@apple.com>
4992
4993         * config/darwin-crt3.c: Avoid compilation when compiling for a
4994         kext multilib.
4995
4996 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
4997
4998         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
4999         FIXED_INCLUDE_DIR.
5000         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
5001         for fixed headers and limits.h.
5002         (install-include-dir, install-headers-tar, install-headers-cpio,
5003         install-headers-cp, real-install-headers-tar,
5004         real-install-headers-cpio, real-install-headers-cp): Handle
5005         include-fixed as well as include.
5006         (install-mkheaders): Don't install files that go only in include
5007         not include-fixed.
5008         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
5009         from GCC_INCLUDE_DIR.
5010         * gcc.c (process_command): Remove special -BstageN/ handling.
5011         (do_spec_1): Add include-fixed directories.
5012
5013 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5014
5015         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
5016         _smulsi3_highpart.
5017         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
5018         New functions.
5019         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
5020         patterns.
5021
5022 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
5023
5024         * c-common.c (get_priority): Add check for
5025         SUPPORTS_INIT_PRIORITY.
5026
5027 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5028
5029         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5030
5031         * config/bfin/bfin.c: Include "cfglayout.h".
5032         (MAX_LSETUP_DISTANCE): New macro.
5033         (struct loop_info): New members incoming, incoming_src and
5034         incoming_dest.  Delete member predecessor.
5035         (length_for_loop): New function.
5036         (bfin_optimize_loop): Handle more different loop structures.
5037         (bfin_discover_loop): Rework detection of predecessor blocks by
5038         examining incoming edges.
5039         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
5040         bfin_reorg_loops.
5041         (bfin_reorder_loops): New function.
5042         (bfin_reorg_loops): Use these three new functions.
5043
5044         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
5045         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
5046         (CONSTRAINT_LEN): Add entry for 'q'.
5047         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
5048         Add 'q' constraints.
5049         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
5050         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
5051
5052         * config/bfin/bfin.md (add_with_carry): New pattern.
5053         (s_or_u, su_optab, su_modifier): New code macros/attrs.
5054         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
5055         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
5056         support unsigned multiplies too.  Removed incorrect commutativity from
5057         operand 1 constraint where appropriate.
5058         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
5059         patterns.
5060         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
5061         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
5062         New patterns.
5063         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
5064         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
5065         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
5066         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
5067         usmulhisi_hh_huh): New patterns.
5068
5069         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
5070         lshifthi3): Fix output template to use half reg for operand 2.
5071
5072         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
5073         instead of R2.
5074
5075         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
5076
5077 2007-02-27  Andreas Schwab  <schwab@suse.de>
5078
5079         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5080
5081 2007-02-27  Jan Hubicka  <jh@suse.cz>
5082
5083         * predict.c (last_basic_block_p): Remove.
5084         (tree_estimate_probability): Update return heuristic for commonized
5085         return blocks.
5086
5087 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5088
5089         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
5090
5091 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
5092
5093         * doc/include/gcc-common.texi (versionsubtitle): New macro.
5094         * doc/cpp.texi: Standardize title page.
5095         * doc/cppinternals.texi: Likewise.
5096         * doc/gcc.texi: Standardize title page, remove version number
5097         from copyright page.
5098         * doc/gccint.texi: Likewise.
5099         * doc/install.texi: Standardize title page, add table of
5100         contents.
5101
5102 2007-02-26  Jan Hubicka  <jh@suse.cz>
5103
5104         * predict.def: Set outcomes according to more recent results.
5105         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
5106         Remove dead predictors.
5107         * predict.c (return_prediction): Fix pasto.
5108
5109 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
5110
5111         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
5112         change; avoid a memory leak when returning early.
5113
5114 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
5115
5116         * c-decl.c (static_ctors): Move to c-common.c.
5117         (static_dtors): Likewise.
5118         (finish_function): Use c_record_cdtor_fn.
5119         (build_cdtor): Move to c-common.c.
5120         (c_write_global_declarations): Use c_build_cdtor_fns.
5121         * c-common.h (static_ctors): Declare.
5122         (static_dtors): Likewise.
5123         (c_record_cdtor_fn): Likewise.
5124         (c_build_cdtor_fns): Likewise.
5125         * c-common.c (static_ctors): New variable.
5126         (static_dtors): Likewise.
5127         (c_record_cdtor_fn): New function.
5128         (build_cdtor): Move from c-decl.c
5129         (c_build_cdtor_fns): New function.
5130
5131         * output.h (assemble_addr_to_section): Declare.
5132         (get_cdtor_priority_section): Likewise.
5133         * varasm.c (assemble_addr_to_section): New function.
5134         (get_cdtor_priority_section): Likewise.
5135         (default_named_section_asm_out_destructor): Use them.
5136         (destor_dtor_section_asm_out_destructor): Likewise.
5137         (default_named_section_asm_out_constructor): Likewise.
5138         (default_ctor_section_asm_out_constructor): Likewise.
5139         * config.gcc (*-*-vxworks*): Include vxworks.o.
5140         * config/t-vxworks (vxworks.o): New target.
5141         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
5142         (TARGET_ASM_CONSTRUCTOR): Define.
5143         (TARGET_ASM_DESTRUCTOR): Likewise.
5144         (vxworks_asm_out_constructor): Declare.
5145         (vxworks_asm_out_destructor): Likewise.
5146
5147         * c-common.c (get_priority): Check that we have not just an
5148         INTEGER_CST, but an integer constant with integeral type.
5149
5150 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
5151
5152         PR tree-optimization/30938
5153         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
5154         use &dt[nargs-1] instead of &dt[nargs] in the call to
5155         vect_is_simple_use().
5156
5157 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
5158
5159         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
5160         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5161         Do not attempt to handle MEM inside auto-inc expressions.
5162         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
5163         of a register modified by an auto-inc expression.  However, do handle
5164         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
5165         (elimination_effects): Prohibit elimination of a register modified
5166         by an auto-inc expression.  Disable register elimination rules whose
5167         target register is modified by an auto-inc expression with variable
5168         increment.
5169
5170 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
5171
5172         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
5173         off-by-one error.
5174         (array_at_struct_end_p): New function.
5175         (idx_infer_loop_bounds): Use it.
5176         (estimate_numbers_of_iterations_loop): Export.
5177         * predict.c (predict_loops): Use estimated_loop_iterations_int.
5178         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
5179         (tree_estimate_probability): Call record_loop_exits.
5180         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
5181         (estimated_loop_iterations, estimated_loop_iterations_int,
5182         estimated_loop_iterations_tree): New functions.
5183         (analyze_siv_subscript_cst_affine,
5184         compute_overlap_steps_for_affine_1_2,
5185         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
5186         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
5187         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
5188         (PRED_LOOP_ITERATIONS_GUESSED): New.
5189         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
5190         * cfgloop.h (estimate_numbers_of_iterations_loop,
5191         estimated_loop_iterations_int): Declare.
5192
5193 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
5194
5195         * doc/extend.texi: Document optional priority argument to
5196         constructors and destructors.
5197         * tree.c (init_priority_for_decl): Adjust GTY markers.
5198         (init_ttree): Use priority-info hash functions for
5199         init_priority_for_decl.
5200         (tree_map_eq): Rename to ...
5201         (tree_map_base_eq): ... this.
5202         (tree_map_marked_p): Rename to ...
5203         (tree_map_base_marked_p): ... this.
5204         (tree_map_base_hash): New function.
5205         (decl_init_priority_lookup): Rework.
5206         (decl_fini_priority_lookup): New function.
5207         (decl_priority_info): New function.
5208         (decl_init_priority_insert): Use it.
5209         (decl_fini_priority_insert): Likewise.
5210         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
5211         hierarchy.
5212         (decl_restrict_base_insert): Likewise.
5213         (decl_debug_expr_insert): Likewise.
5214         (decl_value_expr_lookup): Likewise.
5215         (decl_value_expr_insert): Likewise.
5216         * tree.h (priority_type): New type.
5217         (decl_init_priority_lookup): Use priority_type.
5218         (decl_fini_priority_lookup): New function.
5219         (decl_init_priority_insert): Use priority_type.
5220         (decl_fini_priority_insert): New function.
5221         (DECL_HAS_INIT_PRIORITY): Tweak comments.
5222         (DECL_INIT_PRIORITY): Likewise.
5223         (SET_DECL_INIT_PRIORITY): Add comment.
5224         (DECL_FINI_PRIORITY): New macro.
5225         (SET_DECL_FINI_PRIORITY): Likewise.
5226         (DEFAULT_INIT_PRIORITY): Document.
5227         (MAX_INIT_PRIORITY): Likewise.
5228         (MAX_RESERVED_INIT_PRIORITY): Likewise.
5229         (tree_map_base): New type.
5230         (tree_map_base_eq): New function.
5231         (tree_map_base_hash): Likewise.
5232         (tree_map_base_marked_p): Likewise.
5233         (tree_map): Inherit from tree_map_base.
5234         (tree_map_eq): Make it a macro.
5235         (tree_map_marked_p): Likewise.
5236         (tree_int_map): Inherit from tree_map_base.
5237         (tree_int_map_eq): Make it a macro.
5238         (tree_int_map_hash): Likewise.
5239         (tree_int_map_marked_p): Likewise.
5240         (tree_priority_map): New type.
5241         (tree_priority_map_eq): New macro.
5242         (tree_priority_map_hash): Likewise.
5243         (tree_priority_map_marked_p): Likewise.
5244         * varasm.c (emults_decl): Adjust for refactoring of tree_map
5245         hierarchy.
5246         (emutls_common_1): Likewise.
5247         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
5248         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
5249         of tree_map hierarchy.
5250         * tree-cfg.c (move_stmt_r): Likewise.
5251         (new_label_mapper): Likewise.
5252         * c-tree.h (c_expand_body): Move to ...
5253         * c-common.h (c_expand_body): ... here.
5254         * c-decl.c (c_expand_body): Move to ...
5255         * c-common.c (c_expand_body): ... here.
5256         (c_common_attribute_table): Allow 1 argument for the constructor
5257         and destructor attributes.
5258         (get_priority): New function.
5259         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
5260         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
5261
5262 2007-02-24  Jan Hubicka  <jh@suse.cz>
5263
5264         PR middle-end/30509
5265         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
5266
5267 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5268             Jan Hubicka  <jh@suse.cz>
5269
5270         PR target/30778
5271         * i386.c (counter_mode): New function.
5272         (expand_set_or_movmem_via_loop): Use it.
5273         (expand_movmem_epilogue): Likewise; fix pasto.
5274         (ix86_expand_movmem): Do emit guard even for constant counts.
5275         (ix86_expand_setmem): Likewise.
5276
5277 2007-02-25  Nick Clifton  <nickc@redhat.com>
5278
5279         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
5280         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5281
5282 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
5283
5284         PR target/30770
5285         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
5286         count argument with 0x10, not with 0x16.
5287         (expand_setmem_epilogue): Ditto.
5288
5289 2007-02-24  Mike Stump  <mrs@apple.com>
5290
5291         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
5292         symbols.
5293
5294 2007-02-24  Richard Guenther  <rguenther@suse.de>
5295
5296         PR middle-end/30951
5297         * fold-const.c (fold_binary): Fold x +- CST op x for
5298         EQ_EXPR and NE_EXPR.
5299
5300 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5301
5302         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
5303
5304 2007-02-24  Jan Hubicka  <jh@suse.cz>
5305
5306         * cgraphunit.c (decide_is_function_needed): Honor
5307         -fkeep-inline-functions.
5308
5309 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5310
5311         * builtins.c (fold_builtin_modf): New.
5312         (fold_builtin_2): Use it.
5313
5314 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
5315
5316         * loop-iv.c (implies_p): Detect additional cases where A implies B.
5317         (determine_max_iter): Take additional LOOP arg; all callers changed.
5318         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
5319         one using simplifications.
5320         (simplify_using_initial_values): Return if the expression becomes
5321         invalid due to altered regs.
5322
5323 2007-02-23  DJ Delorie  <dj@redhat.com>
5324
5325         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
5326
5327 2007-02-23  Mike Stump  <mrs@apple.com>
5328
5329         * tlink.c (scan_linker_output): Parse linker messages from
5330         darwin9's linker better.
5331
5332 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
5333
5334         PR debug/29614
5335         * varpool.c (varpool_assemble_pending_decls):  Set
5336         varpool_last_needed_node to null.
5337
5338 2007-02-23  DJ Delorie  <dj@redhat.com>
5339
5340         * config/i386/i386.c (ix86_data_alignment): Don't specify an
5341         alignment bigger than the object file can handle.
5342
5343 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
5344
5345         PR target/30825
5346         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
5347         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
5348         (*movsf_1): Penalize MMX moves.
5349
5350 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
5351
5352         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
5353         2^32-1 or more times unless flag_unsafe_loop_optimizations.
5354
5355         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
5356
5357 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5358
5359         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
5360         (fold_builtin_1): Use them.
5361         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5362         BUILT_IN_SIGNIFICAND.
5363
5364 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
5365
5366         * config/i386/i386.c (bdesc_1arg): Initialize
5367         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
5368         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
5369         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
5370         and IX86_BUILTIN_MOVSLDUP.
5371
5372 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
5373
5374         PR rtl-optimization/30841
5375         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
5376
5377 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5378
5379         * builtins.c (fold_builtin_frexp): New.
5380         (fold_builtin_2): Use it.
5381
5382 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
5383
5384         * doc/invoke.texi (Spec Files): Document getenv spec function.
5385
5386         * gcc.c (getenv_spec_function): New function.
5387         (static_spec_functions): Add it.
5388         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
5389         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
5390         header files.
5391
5392 2007-02-22  Michael Matz  <matz@suse.de
5393
5394         PR c++/29433
5395         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
5396         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
5397
5398 2007-02-22  Ian Lance Taylor  <iant@google.com>
5399
5400         PR debug/30898
5401         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
5402         (mem_loc_descriptor): Call it.
5403
5404 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
5405             Ira Rosen  <irar@il.ibm.com>
5406
5407         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
5408
5409 2007-02-22  Ira Rosen  <irar@il.ibm.com>
5410
5411         PR tree-optimization/30843
5412         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
5413         stores only after all the group is vectorized.
5414
5415 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
5416
5417         PR tree-optimization/30858
5418         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
5419         in the reduction cycle have a single use in the loop.
5420         * tree-vectorizer.h (relevant): Add documentation.
5421
5422 2007-02-20  Mike Stump  <mrs@apple.com>
5423
5424         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
5425         * configure: Regenerate.
5426
5427 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
5428
5429         Change the defaults of some parameters and options.
5430         * config/spu/spu-protos.h (spu_optimization_options): Declare.
5431         * config/spu/spu.c (spu_optimization_options): Add.
5432         (spu_override_options): Change params in spu_optimization_options.
5433         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
5434
5435         Register 127 is only 16 byte aligned when used as a frame pointer.
5436         * config/spu/spu-protos.h (spu_init_expanders): Declare.
5437         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
5438         HARD_FRAME_POINTER_REGNUM.
5439         (spu_legitimate_address):  Use regno_aligned_for_reload.
5440         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
5441         aligned when frame_pointer_needed is true.
5442         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
5443         to 8 bits.
5444         * config/spu/spu.h (INIT_EXPANDERS): Define.
5445
5446         Make sure shift and rotate instructions have valid immediate operands.
5447         * config/spu/predicates.md (spu_shift_operand): Remove.
5448         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
5449         * config/spu/constraints.md (W, O): Extend range.
5450         * config/spu/spu.md (umask, nmask): Define.
5451         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
5452         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
5453         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
5454         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
5455         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
5456         (lshr<mode>3_reg):  Fix rtl description.
5457
5458         Make sure mulhisi immediate operands are valid.
5459         * config/spu/predicates.md (imm_K_operand): Add.
5460         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
5461
5462         Generate constants using fsmbi and andi.
5463         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
5464         (print_operand, spu_split_immediate, classify_immediate,
5465         fsmbi_const_p): Handle IC_FSMBI2.
5466
5467         Correctly handle a CONST_VECTOR containing symbols.
5468         * config/spu/spu.c (print_operand): Handle HIGH correctly.
5469         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
5470         (immediate_load_p): Allow symbols that use 2 instructions to create.
5471         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
5472         with symbols when flag_pic is set.
5473         (const_vector_immediate_p): New.
5474         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
5475         accept a CONST_VECTOR with symbols.
5476         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
5477         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
5478         correctly.
5479         * config/spu/spu.md (high, low): Delete.
5480         (low_<mode>): Define.
5481
5482         Remove INTRmode and INTR_REGNUM, which didn't work.
5483         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
5484         of INTR_REGNUM.
5485         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
5486         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
5487         peephole2 pattern): Don't use INTR or 131.
5488         (movintrcc): Delete.
5489         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
5490         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
5491         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
5492         (UNSPEC_SET_INTR): Add.
5493         * config/spu/spu-modes.def (INTR): Remove.
5494
5495         More accurate warnings about run-time relocations.
5496         * config/spu/spu.c (reloc_diagnostic): Test in_section.
5497
5498         Correctly warn about immediate arguments to specific intrinsics.
5499         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
5500         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
5501         the instruction predicate.
5502
5503         Fix tree check errors with latest update.
5504         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
5505         CALL_EXPR_ARG.
5506         (spu_expand_builtin): Use CALL_EXPR_FN.
5507
5508         Add missing specific intrinsics.
5509         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
5510         si_bislede.
5511         * config/spu/spu_internals.h: Ditto.
5512
5513         Fix incorrect operand modifiers.
5514         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
5515         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
5516
5517         Optimize one case of zero_extend of a vec_select.
5518         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
5519
5520         Accept any immediate for hbr.
5521         * config/spu/spu.md (hbr):  Change s constraints to i.
5522
5523 2007-02-21  Paul Brook  <paul@codesourcery.com>
5524
5525         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
5526         condexec_count when skipping USE and CLOBBER.
5527
5528 2007-02-21  Nick Clifton  <nickc@redhat.com>
5529
5530         * common.opt (Warray-bounds): Add Warning attribute.
5531         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
5532         Likewise.
5533         (fsized-zeroes): Add Optimization attribute.
5534         (fsplit-wide-types, ftree-scev-cprop): Likewise.
5535         * c.opt (Wc++0x-compat): Add Warning attribute.
5536
5537 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
5538
5539         PR middle-end/30761
5540         * reload1.c (eliminate_regs_in_insn): In the single_set special
5541         case, attempt to re-recognize the insn before falling back to
5542         having reload fix it up.
5543
5544 2007-02-20  Eric Christopher  <echristo@gmail.com>
5545
5546         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
5547         Rewrite accordingly.
5548         (frv_read_iacc_argument): Ditto.
5549         (frv_expand_set_builtin): Take a call instead of arglist, update for
5550         above changes.
5551         (frv_expand_unop_builtin): Ditto.
5552         (frv_expand_binop_builtin): Ditto.
5553         (frv_expand_cut_builtin): Ditto.
5554         (frv_expand_binopimm_builtin): Ditto.
5555         (frv_expand_voidbinop_builtin): Ditto.
5556         (frv_expand_int_void2arg): Ditto.
5557         (frv_expand_prefetches): Ditto.
5558         (frv_expand_voidtriop_builtin): Ditto.
5559         (frv_expand_voidaccop_builtin): Ditto.
5560         (frv_expand_load_builtin): Ditto.
5561         (frv_expand_store_builtin): Ditto.
5562         (frv_expand_mdpackh_builtin): Ditto.
5563         (frv_expand_mclracc_builtin): Ditto.
5564         (frv_expand_mrdacc_builtin): Ditto.
5565         (frv_expand_mwtacc_builtin): Ditto.
5566         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
5567         calls for above.
5568
5569 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
5570
5571         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
5572         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
5573         cmpb instruction.
5574         (HAVE_GAS_DFP): Check for assembler support of decimal floating
5575         point instructions.
5576         * configure: Regenerate.
5577         * config.in: Regenerate.
5578         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
5579         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
5580         masks to power6 and power6x and to POWERPC_MASKS.
5581         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
5582         _ARCH_PWR6.
5583         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
5584         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
5585         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5586         Access PROTOTYPE as variable, not mask.
5587
5588 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5589
5590         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
5591         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
5592         * combine.c (adjust_for_new_dest): Use it.
5593         * postreload.c (reload_combine): Likewise.
5594
5595 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
5596
5597         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
5598         notes on an insn with multiple sets, even if single_set returns
5599         non-NULL for that insn.
5600
5601 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5602
5603         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
5604         scalbn and scalbln.
5605
5606 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
5607
5608         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
5609         if user didn't pass it.
5610         * config/i386/darwin.h (CC1_SPEC): Likewise.
5611         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
5612         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
5613         -mmacosx-version-min.
5614
5615 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5616             Uros Bizjak  <ubizjak@gmail.com>
5617
5618         * optabs.h (enum optab_index): Add new OTI_scalb.
5619         (scalb_optab): Define corresponding macro.
5620         * optabs.c (init_optabs): Initialize scalb_optab.
5621         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
5622         patterns.
5623         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
5624         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
5625         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
5626         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
5627         flag_unsafe_math_optimizations is set.
5628
5629         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
5630         to implement scalbf, scalb and scalbl built-ins as inline x87
5631         intrinsics.
5632
5633 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5634             DJ Delorie <dj@redhat.com>
5635
5636         PR other/30824
5637         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
5638         (diagnostic_report_diagnostic): ... here, and turn them into real
5639         errors. If warnings are inhibited, no need to do anything.
5640
5641 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
5642
5643         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
5644         better code generation.
5645
5646 2007-02-20  Ben Elliston  <bje@au.ibm.com>
5647
5648         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
5649
5650 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
5651
5652         * config/alpha/alpha.c, config/alpha/alpha.md,
5653         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
5654         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
5655         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
5656         config/arm/lib1funcs.asm: Follow spelling conventions.
5657
5658         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
5659         config/fr30/fr30.md, config/i386/i386.h,
5660         config/iq2000/iq2000.h, config/iq2000/predicates.md,
5661         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
5662         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
5663         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
5664         config/rs6000/altivec.md, config/rs6000/rs6000.c,
5665         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
5666         config/sparc/sparc.c, config/sparc/sparc.h,
5667         config/sparc/sparc.md, config/spu/constraints.md,
5668         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
5669         conventions.
5670
5671 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
5672
5673         PR target/29943
5674         * varasm.c (use_blocks_for_decl_p): Return false for decls with
5675         alias attribute.
5676
5677 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5678
5679         * doc/invoke.texi (-ftree-lrs): Remove.
5680
5681 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
5682
5683         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
5684         NULL.
5685
5686 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
5687
5688         * config/ia64/ia64.c (ia64_expand_builtin): Use the
5689         new CALL_EXPR_FN macro for retrieving the function
5690         declaration of the input expression.
5691
5692 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5693
5694         * c.opt (Waddress): New.
5695         * common.opt (Walways-true): Delete.
5696         (Wstring-literal-comparison): Delete.
5697         * doc/invoke.texi (Warning Options): Delete -Walways-true and
5698         -Wstring-literal-comparison. Add -Waddress.
5699         (Waddress): New.
5700         (Walways-true): Delete.
5701         (Wstring-literal-comparison): Delete.
5702         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
5703         consistently instead of -Walways-true in example.
5704         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
5705         * c-typeck.c (parser_build_binary_op): Replace
5706         -Wstring-literal-comparison and -Walways-true with -Waddress.
5707         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
5708         with -Waddress.
5709
5710 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5711
5712         * tree-cfg.c (dump_function_to_file): Be prepared for functions
5713         without DECL_STRUCT_FUNCTION initialized.
5714
5715 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
5716
5717         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
5718         due to calls to functions taking pointers as parameters.
5719
5720 2007-02-19  Richard Henderson  <rth@redhat.com>
5721
5722         PR debug/29558
5723         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
5724         in memory.
5725
5726 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5727
5728         * config/s390/s390.c (s390_call_saved_register_used,
5729         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
5730         accessed to the new scheme.
5731
5732 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5733
5734         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
5735         (cris_print_index, cris_print_operand, cris_print_operand_address)
5736         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
5737         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
5738         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
5739         GET_CODE () == xxx.
5740         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
5741         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
5742         GO_IF_LEGITIMATE_ADDRESS): Ditto.
5743         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
5744         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
5745         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
5746         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
5747         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
5748         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
5749         (uminsi3, call, call_value): Ditto.
5750         (define_split: indir_to_reg_split, unnamed): Ditto.
5751
5752 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
5753
5754         PR tree-optimization/30975
5755         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
5756         wrong assert.
5757
5758 2007-02-18  Eric Christopher  <echristo@gmail.com>
5759
5760         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
5761         Remove use of arglist.
5762         (mips_expand_builtin): Remove use of arglist, pass in expr.
5763         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
5764         (mips_expand_builtin_movtf): Ditto.
5765         (mips_expand_builtin_compare): Ditto.
5766
5767 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5768
5769         * tree-sra.c (sra_build_assignment): Replace assertion
5770         checking with a comment explaining why it can't be done.
5771
5772 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5773
5774         PR middle-end/30833
5775         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
5776         during CALL_EXPR representation conversion.
5777         * tree-ssa-propagate.c (set_rhs): Likewise.
5778
5779 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
5780
5781         * tree-sra.c (sra_build_assignment): Disable assertion checking
5782         for now.
5783
5784 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5785
5786         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
5787         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5788         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
5789         Likewise.
5790         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
5791         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
5792         gimplify_init_ctor_eval_range, gimple_push_cleanup,
5793         gimplify_omp_for, gimplify_omp_atomic_pipeline,
5794         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
5795         force_gimple_operand): Likewise.
5796         * ipa-cp.c (constant_val_insert): Likewise.
5797         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5798         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
5799         perfect_nestify): Likewise.
5800         * langhooks.c (lhd_omp_assignment): Likewise.
5801         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
5802         lower_copyprivate_clauses, lower_send_clauses,
5803         lower_send_shared_vars, expand_parallel_call,
5804         expand_omp_for_generic, expand_omp_for_static_nochunk,
5805         expand_omp_for_static_chunk, expand_omp_sections,
5806         lower_omp_single_copy, lower_omp_for_lastprivate,
5807         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
5808         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
5809         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
5810         Likewise.
5811
5812 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
5813
5814         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
5815         config/sh/sh.md: Follow spelling conventions.
5816
5817         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
5818         config/frv/predicates.md: Follow spelling conventions.
5819
5820         * config/m68k/linux-unwind.h: Fix a comment typo.
5821         * target.h: Follow spelling conventions.
5822
5823 2007-02-18  Roger Sayle  <roger@eyesopen.com>
5824
5825         PR rtl-optimization/28173
5826         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
5827         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
5828         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
5829         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
5830         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
5831
5832 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5833
5834         * builtins.c (fold_builtin_load_exponent): New.
5835         (fold_builtin_2): Use it.
5836
5837 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
5838
5839         PR rtl-optimization/30773
5840         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
5841         if we fail to attach a REG_EQUIV note.
5842
5843 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
5844             Roger Sayle  <roger@eyesopen.com>
5845
5846         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
5847
5848 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
5849
5850         * calls.c (initialize_argument_information): Pass original EXP
5851         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
5852         code to split complex arguments here, as part of initializing the
5853         ARGS array.
5854         (expand_call): Remove code that builds a list of arguments and
5855         inserts implicit arguments into it.  Instead, just count how many
5856         implicit arguments there will be so we can determine the size of
5857         the ARGS array, and let initialize_argument_information do the work.
5858         (split_complex_values): Delete unused function.
5859
5860 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5861
5862         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
5863
5864 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
5865
5866         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
5867         for arg pointer based indexed addressing.
5868
5869 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5870
5871         * config/ia64/ia64.h, config/ia64/ia64.md,
5872         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
5873         spelling conventions.
5874
5875 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5876
5877         * config/m68k/m68k.c (split_di): New.
5878         * config/m68k/m68k-protos.h: Declare split_di.
5879         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
5880           Improve predicate handling and split constant shifts.
5881
5882 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5883
5884         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
5885         parameter for register bitfield operations, general predicates
5886         cleanup
5887
5888 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
5889
5890         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
5891         * config/m68k/linux-unwind.h: New file.
5892
5893 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
5894
5895         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
5896         config/i386/athlon.md, config/ia64/ia64.md,
5897         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
5898         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
5899         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
5900         tree-ssa-loop-niter.c, tree-vect-analyze.c,
5901         tree-vect-transform.c: Fix comment typos.
5902
5903 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
5904
5905         * sched-deps.c (find_insn_list): Remove.
5906         * sched-int.h: Remove the prototype for find_insn_list.
5907
5908 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
5909
5910         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
5911         to linker.
5912         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
5913         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
5914         darwin_rs6000_override_options.
5915         (C_COMMON_OVERRIDE_OPTIONS): Expect
5916         darwin_macosx_version_min to be non-NULL always.
5917         (TARGET_C99_FUNCTIONS): Likewise.
5918         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
5919         (DARWIN_MINVERSION_SPEC): New.
5920         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
5921         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
5922         to cc1*.
5923         (DARWIN_MINVERSION_SPEC): New.
5924         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
5925         value.
5926         * config/darwin-c.c (darwin_cpp_builtins): Expect
5927         darwin_macosx_version_min to be non-NULL always.
5928
5929         * config/rs6000/rs6000.c: Clean up trailing whitespace.
5930
5931 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
5932
5933         * config/i386/i386.h (x86_use_xchgb): New.
5934         (TARGET_USE_XCHGB): New macro.
5935         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
5936         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
5937         Split after reload into bswaphi for shifts of 8.
5938         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
5939         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
5940         or when optimizing for size.
5941
5942 2007-02-16  Richard Guenther  <rguenther@suse.de>
5943             Christian Bruel  <christian.bruel@st.com>
5944
5945         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
5946         DECLs but prefer SSA_NAMEs over DECLs.
5947
5948 2007-02-16  Richard Guenther  <rguenther@suse.de>
5949
5950         * tree-flow-inline.h (single_imm_use_p): Remove.
5951         (zero_imm_uses_p): Likewise.
5952         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
5953         instead of single_imm_use_p.
5954         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
5955         zero_imm_uses_p.
5956
5957 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5958
5959         PR other/27843
5960         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
5961         nested double- and backquotes.
5962
5963 2007-02-15  Roger Sayle  <roger@eyesopen.com>
5964
5965         PR middle-end/30391
5966         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
5967         should be unreachable.
5968         (build2_stat): Allow construction of MODIFY_EXPR at any time.
5969         For the time being redirect GIMPLE_MODIFY_STMT to the new
5970         (renamed) build_gimple_modify_stmt_stat.
5971         (build2_gimple_stat): Rename to...
5972         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
5973         Always build a GIMPLE_MODIFY_STMT node.
5974         * tree.h (build2_gimple, build2_gimple_stat): Delete.
5975         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
5976         declarations.
5977
5978         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
5979         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
5980         * tree-complex.c (set_component_ssa_name, expand_complex_move,
5981         expand_complex_div_wide): Likewise.
5982         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
5983         * tree-ssa-loop-im.c (schedule_sm): Likewise.
5984         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
5985         * tree-ssa-loop-manip.c (create_iv): Likewise.
5986         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
5987         abs_replacement): Likewise.
5988         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
5989         realify_fake_stores): Likewise.
5990
5991         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
5992         node rather than a GIMPLE_MODIFY_STMT node.
5993         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
5994         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
5995         Likewise.
5996         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
5997         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
5998         GIMPLE_MODIFY_STMT.
5999
6000 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6001
6002         PR middle-end/30433
6003         * fold-const.c (fold_comparison): Add back the
6004         folding of constant complex comparisions.
6005
6006 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6007
6008         PR middle-end/30729
6009         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
6010         effects unknown to this function, return early.
6011
6012 2007-02-15  Ian Lance Taylor  <iant@google.com>
6013
6014         * lower-subreg.c (move_eh_region_note): New static function.
6015         (resolve_simple_move): Call it.
6016         (decompose_multiword_subregs): Track blocks for which we resolve a
6017         simple move which is also a control flow insn.  Pass them to
6018         find_many_sub_basic_blocks.
6019         (pass_lower_subreg): Add TODO_verify_flow.
6020         (pass_lower_subreg2): Likewise.
6021
6022 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6023             Brooks Moses  <brooks.moses@codesourcery.com>
6024             Lee Millward  <lee.millward@codesourcery.com>
6025
6026         * tree.h (enum tree_code_class): Add tcc_vl_exp.
6027         (VL_EXP_CLASS_P): New.
6028         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
6029         TREE_CODE_LENGTH.
6030         (TREE_OPERAND_CHECK_CODE): Likewise.
6031         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
6032         (TREE_RTL_OPERAND_CHECK): Likewise.
6033         (tree_operand_check_failed): Make second parameter the whole tree
6034         instead of its code.  Fixed callers.
6035         (VL_EXP_CHECK): New.
6036         (TREE_OPERAND_LENGTH): New.
6037         (VL_EXP_OPERAND_LENGTH): New.
6038         (CALL_EXPR_FN): New.
6039         (CALL_EXPR_STATIC_CHAIN): New.
6040         (CALL_EXPR_ARGS): New.
6041         (CALL_EXPR_ARG): New.
6042         (call_expr_nargs): New.
6043         (CALL_EXPR_ARGP): New.
6044         (build_nt_call_list): Declare.
6045         (build_vl_exp_stat): Declare.
6046         (build_vl_exp): New.
6047         (build_call_list): Declare.
6048         (build_call_nary): Declare.
6049         (build_call_valist): Declare.
6050         (build_call_array): Declare.
6051         (call_expr_arg): Declare.
6052         (call_expr_argp): Declare.
6053         (call_expr_arglist): Declare.
6054         (fold_build_call_list): Declare.
6055         (fold_build_call_list_initializer): Declare.
6056         (fold_call_expr): Declare to replace fold_builtin.
6057         (fold_builtin_fputs): Update to agree with modified definition.
6058         (fold_builtin_strcpy): Likewise.
6059         (fold_builtin_strncpy): Likewise.
6060         (fold_builtin_memory_chk): Likewise.
6061         (fold_builtin_stxcpy_chk): Likewise.
6062         (fold_builtin_strncpy_chk): Likewise.
6063         (fold_builtin_next_arg): Likewise.
6064         (fold_build_call_expr): Declare.
6065         (fold_builtin_call_list): Declare.
6066         (fold_builtin_call_valist): Declare.
6067         (build_call_expr): Declare.
6068         (validate_arglist): Update to agree with modified definition.
6069         (tree_operand_length): New.
6070         (call_expr_arg_iterator): New.
6071         (init_call_expr_arg_iterator): New.
6072         (next_call_expr_arg): New.
6073         (first_call_expr_arg): New.
6074         (more_call_expr_args_p): New.
6075         (FOR_EACH_CALL_EXPR_ARG): New.
6076
6077         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
6078         and tcc_gimple_stmt.
6079         (tree_code_size): Update documentation.  Use sizeof (tree) rather
6080         than sizeof (char *).
6081         (tree_size): Likewise.  Add case for tcc_vl_exp.
6082         (tree_node_structure): Add case for tcc_vl_exp.
6083         (contains_placeholder_p): Likewise.
6084         (substitute_in_expr): Likewise.
6085         (substitute_placeholder_in_expr): Likewise.
6086         (stabilize_reference_1): Likewise.
6087         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
6088         to diagnose breakage of this interface for constructing CALL_EXPRs.
6089         (build_nt): Add similar assertion here.
6090         (build_nt_call_list): New.
6091         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
6092         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
6093         TREE_CODE_LENGTH.
6094         (get_callee_fndecl): Use new CALL_EXPR accessors.
6095         (tree_operand_check_failed): Change parameters to pass entire node
6096         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
6097         (process_call_operands): New.
6098         (build_vl_exp_stat): New.
6099         (build_call_list): New.
6100         (build_call_nary): New.
6101         (build_call_valist): New.
6102         (build_call_array): New.
6103         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6104         (call_expr_arglist): New.
6105
6106         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
6107         tcc_vl_exp instead of a fixed-size tcc_expression.
6108
6109         * doc/c-tree.texi (CALL_EXPR): Document new representation and
6110         accessors for CALL_EXPRs.
6111         (AGGR_INIT_EXPR): Likewise.
6112
6113 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6114             Brooks Moses  <brooks.moses@codesourcery.com>
6115             Lee Millward  <lee.millward@codesourcery.com>
6116
6117         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
6118         (expand_builtin_nonlocal_goto): Change parameter to be entire
6119         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
6120         (expand_builtin_prefetch): Likewise.
6121         (expand_builtin_classify_type): Likewise.
6122         (mathfn_built_in): Return NULL_TREE instead of 0.
6123         (expand_errno_check): Use new CALL_EXPR accessors.
6124         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
6125         Return NULL_RTX instead of 0.
6126         (expand_builtin_mathfn_2): Likewise.
6127         (expand_builtin_mathfn_3): Likewise.
6128         (expand_builtin_interclass_mathfn): Likewise.
6129         (expand_builtin_sincos): Likewise.
6130         (expand_builtin_cexpi): Likewise.
6131         (expand_builtin_int_roundingfn): Likewise.
6132         (expand_builtin_int_roundingfn_2): Likewise.
6133         (expand_builtin_pow): Likewise.
6134         (expand_builtin_powi): Likewise.
6135         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
6136         of arglist, fixing callers appropriately.  Use new CALL_EXPR
6137         accessors and constructors.  Return NULL_RTX instead of 0.
6138         (expand_builtin_strstr): Likewise.
6139         (expand_builtin_strchr): Likewise.
6140         (expand_builtin_strrchr): Likewise.
6141         (expand_builtin_strpbrk): Likewise.
6142         (expand_builtin_memcpy): Likewise.
6143         (expand_builtin_mempcpy): Likewise.
6144         (expand_builtin_mempcpy_args): New.
6145         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
6146         (expand_builtin_memmove_args): New.
6147         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
6148         (expand_movstr): Likewise.
6149         (expand_builtin_strcpy): Likewise.
6150         (expand_builtin_strcpy_args): New.
6151         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
6152         (expand_builtin_strncpy): Likewise.
6153         (expand_builtin_memset): Likewise.
6154         (expand_builtin_memset_args): New.
6155         (expand_builtin_bzero): Similarly to expand_builtin_memset.
6156         (expand_builtin_memcmp): Likewise.
6157         (expand_builtin_strcmp): Likewise.
6158         (expand_builtin_strncmp): Likewise.
6159         (expand_builtin_strcat): Likewise.
6160         (expand_builtin_strncat): Likewise.
6161         (expand_builtin_strspn): Likewise.
6162         (expand_builtin_strcspn): Likewise.
6163         (expand_builtin_args_info): Likewise.
6164         (expand_builtin_va_start): Likewise.
6165         (gimplify_va_arg_expr): Likewise.
6166         (expand_builtin_va_end): Likewise.
6167         (expand_builtin_va_copy): Likewise.
6168         (expand_builtin_frame_address): Likewise.
6169         (expand_builtin_alloca): Likewise.
6170         (expand_builtin_bswap): Likewise.
6171         (expand_builtin_unop): Likewise.
6172         (expand_builtin_fputs): Likewise.
6173         (expand_builtin_expect): Likewise.
6174         (expand_builtin_fabs): Likewise.
6175         (expand_builtin_copysign): Likewise.
6176         (expand_builtin_printf): Likewise.
6177         (expand_builtin_fprintf): Likewise.
6178         (expand_builtin_sprintf): Likewise.
6179         (expand_builtin_init_trampoline): Likewise.
6180         (expand_builtin_signbit): Likewise.
6181         (expand_builtin_fork_or_exec): Likewise.
6182         (expand_builtin_sync_operation): Likewise.
6183         (expand_builtin_compare_and_swap): Likewise.
6184         (expand_builtin_lock_test_and_set): Likewise.
6185         (expand_builtin_lock_release): Likewise.
6186         (expand_builtin): Likewise.
6187         (builtin_mathfn_code): Likewise.
6188
6189         (fold_builtin_constant_p): Pass call arguments individually instead
6190         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6191         accessors and constructors.  Return NULL_TREE instead of 0.
6192         (fold_builtin_expect): Likewise.
6193         (fold_builtin_classify_type): Likewise.
6194         (fold_builtin_strlen): Likewise.
6195         (fold_builtin_nan): Likewise.
6196         (integer_valued_real_p): Likewise.
6197         (fold_trunc_transparent_mathfn): Likewise.
6198         (fold_fixed_mathfn): Likewise.
6199         (fold_builtin_cabs): Likewise.
6200         (fold_builtin_sqrt): Likewise.
6201         (fold_builtin_cbrt): Likewise.
6202         (fold_builtin_cos): Likewise.
6203         (fold_builtin_cosh): Likewise.
6204         (fold_builtin_tan): Likewise.
6205         (fold_builtin_sincos): Likewise.
6206         (fold_builtin_cexp): Likewise.
6207         (fold_builtin_trunc): Likewise.
6208         (fold_builtin_floor): Likewise.
6209         (fold_builtin_ceil): Likewise.
6210         (fold_builtin_round): Likewise.
6211         (fold_builtin_int_roundingfn): Likewise.
6212         (fold_builtin_bitop): Likewise.
6213         (fold_builtin_bswap): Likewise.
6214         (fold_builtin_logarithm): Likewise.
6215         (fold_builtin_hypot): Likewise.
6216         (fold_builtin_pow): Likewise.
6217         (fold_builtin_powi): Likewise.
6218         (fold_builtin_exponent): Likewise.
6219         (fold_builtin_memset): Likewise.
6220         (fold_builtin_bzero): Likewise.
6221         (fold_builtin_memory_op): Likewise.
6222         (fold_builtin_bcopy): Deleted; call site changed to invoke
6223         fold_builtin_memory_op directly.
6224         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
6225         (fold_builtin_strncpy): Likewise.
6226         (fold_builtin_memcmp): Likewise.
6227         (fold_builtin_strcmp): Likewise.
6228         (fold_builtin_strncmp): Likewise.
6229         (fold_builtin_signbit): Likewise.
6230         (fold_builtin_copysign): Likewise.
6231         (fold_builtin_isascii): Likewise.
6232         (fold_builtin_toascii): Likewise.
6233         (fold_builtin_isdigit): Likewise.
6234         (fold_builtin_fabs): Likewise.
6235         (fold_builtin_abs): Likewise.
6236         (fold_builtin_fmin_fmax): Likewise.
6237         (fold_builtin_carg): Likewise.
6238         (fold_builtin_classify): Likewise.
6239         (fold_builtin_unordered_cmp): Likewise.
6240
6241         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
6242         New functions split out from fold_builtin_1.
6243         (fold_builtin_n): New.
6244         (fold_builtin_varargs): New.
6245         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
6246         instead.
6247         (fold_call_expr): New.
6248         (build_function_call_expr): Rewrite to use new helper function.
6249         (fold_builtin_call_list): New.
6250         (build_call_expr): New.
6251         (fold_builtin_call_valist): New.
6252         (rewrite_call_expr): New.
6253         (validate_arg): New.
6254         (validate_arglist): Change parameter to be entire CALL_EXPR instead
6255         of an arglist.  Change return type to bool.  Use new CALL_EXPR
6256         accessors.
6257
6258         (fold_builtin_strstr):  Pass call arguments individually instead
6259         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6260         accessors and constructors.  Return NULL_TREE instead of 0.
6261         (fold_builtin_strchr): Likewise.
6262         (fold_builtin_strrchr): Likewise.
6263         (fold_builtin_strpbrk): Likewise.
6264         (fold_builtin_strcat): Likewise.
6265         (fold_builtin_strncat): Likewise.
6266         (fold_builtin_strspn): Likewise.
6267         (fold_builtin_strcspn): Likewise.
6268         (fold_builtin_fputs): Likewise.
6269         (fold_builtin_next_arg): Likewise.
6270         (fold_builtin_sprintf): Likewise.
6271
6272         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
6273         NULL_RTX instead of 0.
6274         (expand_builtin_memory_chk): Likewise.
6275         (maybe_emit_chk_warning): Likewise.
6276         (maybe_emit_sprintf_chk_warning): Likewise.
6277
6278         (fold_builtin_object_size): Pass call arguments individually instead
6279         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
6280         accessors and constructors.  Return NULL_TREE instead of 0.
6281         (fold_builtin_memory_chk): Likewise.
6282         (fold_builtin_stxcpy_chk): Likewise.
6283         (fold_builtin_strncpy_chk): Likewise.
6284         (fold_builtin_strcat_chk): Likewise.
6285         (fold_builtin_strcat_chk): Likewise.
6286         (fold_builtin_strncat_chk): Likewise.
6287         (fold_builtin_sprintf_chk): Likewise.
6288         (fold_builtin_snprintf_chk): Likewise.
6289         (fold_builtin_printf): Likewise.
6290         (fold_builtin_vprintf): Likewise.
6291
6292         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
6293         constructors.
6294         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
6295         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6296         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
6297         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
6298         (fold_unary): Likewise.
6299         (fold_binary): Likewise.
6300         (fold_ternary): Remove CALL_EXPR case, since they are no longer
6301         ternary expressions.
6302         (fold): Add logic for tcc_vl_exp.
6303         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
6304         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6305         (fold_build3_stat): Add assertion to flag broken interface for
6306         constructing CALL_EXPRs.
6307         (fold_build_call_list): New.
6308         (fold_build_call_list_initializer): New.
6309         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
6310         constructors.
6311         (fold_strip_sign_ops): Likewise.
6312
6313 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6314             Brooks Moses  <brooks.moses@codesourcery.com>
6315             Lee Millward  <lee.millward@codesourcery.com>
6316
6317         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
6318         accessors and dump arguments explicitly.
6319
6320         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
6321         TREE_CODE_LENGTH.
6322         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
6323         explicitly.
6324         (print_call_name): Use new CALL_EXPR accessors.
6325
6326         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
6327         CALL_EXPR arguments explicitly instead of as a list.  Use
6328         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6329
6330         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
6331         (vrp_visit_stmt): Likewise.
6332
6333         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
6334         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
6335         TREE_CODE_LENGTH.
6336         (force_move_till_expr): Likewise.
6337
6338         * targhooks.c (default_external_stack_protect_fail): Use
6339         build_call_expr instead of build_function_call_expr.
6340         (default_hidden_stack_protect_fail): Likewise.
6341
6342         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
6343         build the call.
6344
6345         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
6346         and walk arguments explicitly.
6347
6348         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
6349         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6350         (expand_simple_operations): Likewise.
6351         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
6352
6353         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
6354         of TREE_CODE_LENGTH.
6355         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
6356
6357         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
6358         instead of TREE_CODE_LENGTH.
6359
6360         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
6361         (tree_ic_transform): Likewise.
6362         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
6363         parameter instead of arglist.  Fix callers.
6364         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
6365         (tree_stringops_transform): Likewise.
6366         (tree_indirect_call_to_profile): Likewise.
6367         (tree_stringops_values_to_profile): Likewise.
6368
6369         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
6370         (eliminate_tail_call): Likewise.
6371
6372         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
6373
6374         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
6375         Use TREE_OPERAND_LENGTH and generalize to handle any number of
6376         operands.
6377         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
6378
6379         * omp-low.c (build_omp_barrier): Use build_call_expr.
6380         (lower_rec_input_clauses): Likewise.
6381         (lower_reduction_clauses): Likewise.
6382         (expand_parallel_call): Likewise.
6383         (maybe_catch_exception): Likewise.
6384         (expand_omp_for_generic): Likewise.
6385         (expand_omp_for_static_nochunk): Likewise.
6386         (expand_omp_sections): Likewise.
6387         (lower_omp_single_simple): Likewise.
6388         (lower_omp_single_copy): Likewise.
6389         (lower_omp_master): Likewise.
6390         (lower_omp_ordered): Likewise.
6391         (lower_omp_critical): Likewise.
6392
6393         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
6394         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
6395
6396         * tree-gimple.c (is_gimple_call_addr): Fix doc.
6397         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
6398         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
6399
6400         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
6401         and generalize to handle any number of operands.
6402         (chrec_contains_undetermined): Likewise.
6403         (tree_contains_chrecs): Likewise.
6404         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
6405
6406         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
6407
6408         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
6409         fold_call_expr instead of fold_builtin.
6410         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
6411         match declarations there.
6412         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
6413         updates.
6414
6415         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
6416         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6417
6418         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
6419         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
6420
6421         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
6422         accessors.
6423
6424         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
6425         (execute_cse_sincos): Use new CALL_EXPR accessors.
6426
6427         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
6428
6429         * gimple-low.c (lower_function_body): Use build_call_expr.
6430         (lower_builtin_setjmp): Likewise.
6431
6432         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
6433         (set_storage_via_libcall): Likewise.
6434         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
6435         instead of TREE_CODE_LENGTH.
6436         (expand_expr_real_1): Use new CALL_EXPR accessors.
6437
6438         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
6439         generalize to handle any number of operands.
6440         (TB_parent_eq): Likewise.
6441
6442         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
6443         (strip_builtin_expect): Likewise.
6444
6445         * function.c (gimplify_parameters): Use build_call_expr.
6446
6447         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
6448         instead of TREE_CODE_LENGTH.
6449
6450         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
6451         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
6452
6453         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
6454         iterators.
6455
6456         * gimplify.c (build_stack_save_restore): Use build_call_expr.
6457         (gimplify_decl_expr): Likewise.
6458         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
6459         Use new CALL_EXPR iterators.
6460         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
6461         (gimplify_modify_expr_to_memset): Likewise.
6462         (gimplify_variable_sized_compare): Likewise.
6463         (gimplify_omp_atomic_fetch_op): Likewise.
6464         (gimplify_omp_atomic_pipeline): Likewise.
6465         (gimplify_omp_atomic_mutex): Likewise.
6466         (gimplify_function_tree): Likewise.
6467
6468         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
6469         (call_expr_flags): Likewise.
6470         (expand_call): Likewise.
6471
6472         * except.c (expand_builtin_eh_return_data_regno): Pass entire
6473         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6474         accessors.
6475
6476         * coverage.c (create_coverage): Use build_call_expr.
6477
6478         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
6479         (temp_call_expr_obstack): New.
6480         (pool_copy_list): Delete.
6481         (temp_copy_call_expr): New.
6482         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
6483         CALL_EXPR accessors.  Get rid of special goo for copying argument
6484         lists and use temp_copy_call_expr instead.
6485         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
6486         CALL_EXPR accessors.
6487         (create_expression_by_pieces): Likewise.  Use build_call_array
6488         to construct the result instead of fold_build3.
6489         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
6490         dealing with argument lists.
6491         (init_pre): Remove references to expression_node_pool and
6492         list_node_pool.  Init temp_call_expr_obstack instead.
6493         (fini_pre): Remove references to expression_node_pool and
6494         list_node_pool.
6495
6496         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
6497         and walk arguments explicitly instead of as a list.
6498
6499         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
6500         (mx_register_decls): Likewise.
6501         (mudflap_register_call): Likewise.
6502         (mudflap_finish_file): Likewise.
6503
6504         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
6505         (ipa_callsite_compute_param): Likewise.
6506
6507         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
6508         accessors and constructor.
6509
6510         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
6511         accessors and constructor.
6512         (convert_tramp_reference): Likewise.
6513         (convert_call_expr): Likewise.
6514         (finalize_nesting_tree_1): Likewise.
6515
6516         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
6517         accessors.
6518
6519         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
6520
6521         * tree-inline.c (initialize_inlined_parameters): Pass entire
6522         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
6523         accessors.
6524         (estimate_num_insns_1): Use new CALL_EXPR accessors.
6525         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
6526
6527         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
6528         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6529         (vectorizable_reduction): Likewise.
6530         (vectorizable_call): Use new CALL_EXPR iterators.
6531         (vectorizable_conversion): Use build_call_expr.
6532         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
6533         (vect_gen_widened_results_half): Use build_call_expr.
6534         (vect_setup_realignment): Likewise.
6535         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
6536
6537         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
6538         (pass_through_call): Likewise.
6539         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
6540         fold_builtin.
6541
6542         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
6543         (tree_gen_pow2_profiler): Likewise.
6544         (tree_gen_one_value_profiler): Likewise.
6545         (tree_gen_ic_func_profiler): Likewise.
6546         (tree_gen_average_profiler): Likewise.
6547         (tree_gen_ior_profiler): Likewise.
6548
6549         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
6550         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
6551         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
6552
6553         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
6554         of TREE_CODE_LENGTH.
6555
6556         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
6557         of TREE_CODE_LENGTH.
6558
6559         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
6560         constructor.
6561         (convert_to_integer): Likewise.
6562
6563         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
6564         accessors.
6565
6566 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6567             Brooks Moses  <brooks.moses@codesourcery.com>
6568             Lee Millward  <lee.millward@codesourcery.com>
6569
6570         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
6571         accessors.
6572         * config/frv/frv.c (frv_expand_builtin): Likewise.
6573         * config/s390/s390.c (s390_expand_builtin): Likewise.
6574
6575         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
6576         (sparc_expand_builtin): Use new CALL_EXPR accessors.
6577
6578         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
6579         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
6580         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
6581         (ix86_expand_store_builtin): Likewise.
6582         (ix86_expand_unop_builtin): Likewise.
6583         (ix86_expand_unop1_builtin): Likewise.
6584         (ix86_expand_sse_compare): Likewise.
6585         (ix86_expand_sse_comi): Likewise.
6586         (ix86_expand_vec_init_builtin): Likewise.
6587         (ix86_expand_vec_ext_builtin): Likewise.
6588         (ix86_expand_vec_set_builtin): Likewise.
6589         (ix86_expand_builtin): Use new CALL_EXPR accessors.
6590
6591         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
6592         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
6593
6594         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
6595         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6596         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
6597
6598         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
6599         build_call_expr.
6600         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
6601         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
6602         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6603         (altivec_expand_abs_builtin): Likewise.
6604         (rs6000_expand_binop_builtin): Likewise.
6605         (altivec_expand_predicate_builtin): Likewise.
6606         (altivec_expand_lv_builtin): Likewise.
6607         (spe_expand_stv_builtin): Likewise.
6608         (altivec_expand_stv_builtin): Likewise.
6609         (rs6000_expand_ternop_builtin): Likewise.
6610         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
6611         (altivec_expand_st_builtin): Likewise.
6612         (altivec_expand_dst_builtin): Likewise.
6613         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
6614         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6615         (altivec_expand_vec_set_builtin): Likewise.
6616         (altivec_expand_vec_ext_builtin): Likewise.
6617         (altivec_expand_builtin): Use new CALL_EXPR accessors.
6618         (spe_expand_builtin): Likewise.
6619         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
6620         arglist.  Use new CALL_EXPR accessors.  Fix callers.
6621         (spe_expand_evsel_builtin): Likewise.
6622         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
6623         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
6624
6625         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
6626         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6627         (arm_expand_unop_builtin): Likewise.
6628         (arm_expand_builtin): Use new CALL_EXPR accessors.
6629
6630         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
6631         accessors.
6632
6633         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
6634         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
6635         (bfin_expand_unop_builtin): Likewise.
6636         (bfin_expand_builtin): Use new CALL_EXPR accessors.
6637
6638 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
6639             Brooks Moses  <brooks.moses@codesourcery.com>
6640             Lee Millward  <lee.millward@codesourcery.com>
6641
6642         * c-semantics.c (build_stmt): Add internal diagnostic check.
6643
6644         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
6645         accessors.  Print arguments explicitly instead of as a list.
6646
6647         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
6648
6649         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
6650         (c_finish_omp_flish): Likewise.
6651
6652         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
6653         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
6654         instead of TREE_CODE_LENGTH.
6655         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
6656         (c_warn_unused_result): Likewise.
6657
6658 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6659
6660         PR c/26494
6661         * doc/invoke.texi (Warning Options): Remove
6662         -Werror-implicit-function-declaration.
6663         (Wimplicit-function-declaration): Update description.
6664         * opts.c (common_handle_option): Move handling of -Werror=* to...
6665         (enable_warning_as_error): ...here.
6666         * opts.h (enable_warning_as_error): Declare.
6667         * c-decl.c (implicit_decl_warning): Unless
6668         -Wno-implicit-function-declaration is given, emit a pedwarn if
6669         -std=c99 or emit a warning if -Wimplicit-function-declaration.
6670         * c.opt (Wimplicit-function-declaration): Replace
6671         mesg_implicit_function_declaration with
6672         warn_implicit_function_declaration.
6673         * c-opts.c (c_common_handle_option):
6674         -Werror-implicit-function-declaration is exactly equal as
6675         -Werror=implicit-function-declaration.
6676         (set_Wimplicit): Replace mesg_implicit_function_declaration with
6677         warn_implicit_function_declaration.
6678         (c_common_post_options): -Wimplict-function-declaration is enabled
6679         by default by -std=c99, otherwise is disabled by default.
6680         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
6681
6682 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6683
6684         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
6685         DECL on the rhs to a DECL on the lhs for debug info purposes if the
6686         former is ignored but not the latter.
6687
6688 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
6689
6690         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
6691         is made and the reference doesn't use the alias set of its type,
6692         do not create the temporary using that type.
6693
6694 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
6695
6696         * jump.c: Remove prototypes for delete_computation and
6697         delete_prior_computation.
6698
6699 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6700
6701         * jump.c (get_label_after): Delete.
6702         (get_label_before, delete_computation, delete_jump,
6703         delete_prior_computation, follow_jumps): Move...
6704         * reorg.c (delete_computation, delete_prior_computation): ... here...
6705         (get_label_before, delete_jump): ... making these static ...
6706         (follow_jumps): ... and simplifying this since it only runs after
6707         reload.
6708         * rtl.h (get_label_after, get_label_before, delete_jump,
6709         follow_jumps): Delete prototypes.
6710
6711 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
6712
6713         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
6714
6715 2007-02-15  Nick Clifton  <nickc@redhat.com>
6716
6717         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
6718         order to prevent it from being munged by the target.
6719
6720 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
6721
6722         * config/i386/i386.md: Remove misleading comment.
6723
6724 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6725
6726         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
6727         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
6728         invalid patterns.
6729
6730 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6731
6732         * tree-sra.c (instantiate_missing_elements): Canonicalize
6733         bit-field types.
6734         (sra_build_assignment): New.
6735         (generate_copy_inout, generate_element_copy,
6736         generate_element_zero, generate_one_element_init): Use it.
6737
6738 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6739
6740         * tree-sra.c (instantiate_missing_elements): Canonicalize
6741         bit-field types.
6742         (sra_build_assignment): New.
6743         (generate_copy_inout, generate_element_copy,
6744         generate_element_zero, generate_one_element_init): Use it.
6745
6746 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
6747
6748         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
6749         limbo die nodes.
6750
6751 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
6752
6753         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
6754         types as aggregates not scalars.
6755         * function.c (assign_stack_temp_for_type): Likewise.
6756
6757 2007-02-14  Roger Sayle  <roger@eyesopen.com>
6758             Zdenek Dvorak  <dvorakz@suse.cz>
6759
6760         * tree-dump.c (dump_switch_p_1): Require exact match of the option
6761         name.
6762
6763 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
6764
6765         * passes.c (next_pass_1): Clear the next field of the copied
6766         pass structure.
6767
6768 2007-02-14  Richard Henderson  <rth@redhat.com>
6769
6770         * tree-sra.c (early_sra): New.
6771         (decl_can_be_decomposed_p): Deny va_list if early_sra.
6772         (tree_sra_early, pass_sra_early): New.
6773         * tree-pass.h (pass_sra_early): Declare.
6774         * passes.c (init_optimization_passes): Use it.
6775
6776 2007-02-14  Richard Guenther  <rguenther@suse.de>
6777
6778         * flags.h (issue_strict_overflow_warning): Convert to a macro.
6779
6780 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
6781
6782          PR tree-optimization/30771
6783         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
6784         also phi nodes.
6785         (vect_analyze_operations): Induction phis can now be marked as
6786         used_in_loop.
6787         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
6788         Update documentation accordingly.
6789
6790 2007-02-14  Nick Clifton  <nickc@redhat.com>
6791
6792         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
6793         most 3 arguments are supported.
6794         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
6795
6796 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
6797
6798         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
6799         Ensure dst->current is valid.
6800
6801 2007-02-13  Paul Brook  <paul@codesourcery.com>
6802
6803         * config.gcc: Add arm*-*-uclinux-*eabi.
6804         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
6805         (SUBTARGET_EXTRA_LINK_SPEC): Define.
6806         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
6807         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
6808         (LINK_SPEC): Define.
6809         (LIB_SPEC): Define.
6810         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
6811         register.
6812         * config/arm/uclinux-eabi.h: New file.
6813         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
6814         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
6815         based targets.
6816
6817 2007-02-13  Ian Lance Taylor  <iant@google.com>
6818
6819         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
6820         * flags.h (warn_strict_overflow): Declare.
6821         (enum warn_strict_overflow_code): Define.
6822         (issue_strict_overflow_warning): New static inline function.
6823         * opts.c (warn_strict_overflow): New variable.
6824         (common_handle_option): Handle OPT_Wstrict_overflow and
6825         OPT_Wstrict_overflow_.
6826         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
6827         OPT_Wall.
6828         * fold-const.c: Include intl.h.
6829         (fold_deferring_overflow_warnings): New static variable.
6830         (fold_deferred_overflow_warning): New static variable.
6831         (fold_deferred_overflow_code): New static variable.
6832         (fold_defer_overflow_warnings): New function.
6833         (fold_undefer_overflow_warnings): New function.
6834         (fold_undefer_and_ignore_overflow_warnings): New function.
6835         (fold_deferring_overflow_warnings_p): New function.
6836         (fold_overflow_warning): New static function.
6837         (make_range): Add strict_overflow_p parameter.  Change all
6838         callers.
6839         (extract_muldiv, extract_muldiv_1): Likewise.
6840         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
6841         tree_expr_nonnegative_p.
6842         (fold_negate_expr): Call fold_overflow_warning.
6843         (fold_range_test): Likewise.
6844         (fold_comparison): Likewise.
6845         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
6846         instead of tree_expr_nonnegative_p.
6847         (tree_expr_nonnegative_warnv_p): Rename from
6848         tree_expr_nonnegative_p, add strict_overflow_p parameter.
6849         (tree_expr_nonnegative_p): New function.
6850         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
6851         strict_overflow_p parameter.
6852         (tree_expr_nonzero_p): New function.
6853         * passes.c (verify_interpass_invariants): New static function.
6854         (execute_one_pass): Call it.
6855         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
6856         warnings.
6857         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
6858         (estimate_numbers_of_iterations): Likewise.
6859         (scev_probably_wraps_p): Likewise.
6860         * tree-ssa-ccp.c: Include "toplev.h".
6861         (evaluate_stmt): Defer fold overflow warnings until we know we are
6862         going to optimize.
6863         (struct fold_stmt_r_data): Add stmt field.
6864         (fold_stmt_r): Defer fold overflow warnings until we know we
6865         optimized.
6866         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
6867         (fold_stmt_inplace): Likewise.
6868         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
6869         (cleanup_control_expr_graph): Defer fold overflow warnings until
6870         we know we are going to optimize.
6871         * tree-cfg.c (fold_cond_expr_cond): Likewise.
6872         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
6873         Likewise.
6874         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
6875         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
6876         * tree-ssa-loop-manip.c (create_iv): Likewise.
6877         * c-typeck.c (build_conditional_expr): Likewise.
6878         (build_binary_op): Likewise.
6879         * tree-vrp.c (vrp_expr_computes_nonzero): Call
6880         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
6881         (extract_range_from_unary_expr): Likewise.
6882         * simplify-rtx.c (simplify_const_relational_operation): Warn when
6883         assuming that signed overflow does not occur.
6884         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
6885         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
6886         (fold_defer_overflow_warnings): Declare.
6887         (fold_undefer_overflow_warnings): Declare.
6888         (fold_undefer_and_ignore_overflow_warnings): Declare.
6889         (fold_deferring_overflow_warnings_p): Declare.
6890         (tree_expr_nonzero_warnv_p): Declare.
6891         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
6892         of warning options.
6893         (Warning Options): Document -Wstrict-overflow.
6894         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
6895         (tree-ssa-ccp.o): Likewise.
6896         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
6897         (fold-const.o): Depend on intl.h.
6898
6899 2007-02-13  Ian Lance Taylor  <iant@google.com>
6900
6901         PR middle-end/30751
6902         * lower-subreg.c (resolve_simple_move): Decompose subregs in
6903         addresses.
6904
6905 2007-02-13  Stuart Hastings  <stuart@apple.com>
6906
6907         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
6908
6909 2007-02-13  Richard Henderson  <rth@redhat.com>
6910
6911         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
6912         handled_component_p before looking for the indirect_ref.
6913
6914 2007-02-13  Richard Henderson  <rth@redhat.com>
6915
6916         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
6917         remove flags clobber.
6918         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
6919         (bswaphi_lowpart): New.
6920         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
6921         remove TARGET_BSWAP test.  Delete expander of the same name.
6922
6923         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
6924         (expand_unop): Use them.
6925
6926 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
6927
6928         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
6929         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
6930         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
6931         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
6932         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
6933         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
6934         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
6935         assembler dialect choice from asm templates.
6936
6937 2007-02-12  Richard Henderson  <rth@redhat.com>
6938
6939         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
6940         (fixuns_trunc<SSEMODEF>si2): Use it.
6941         * config/i386/sse.md (vec_setv4sf_0): Export.
6942         * config/i386/i386.c (ix86_build_const_vector): Export.
6943         (ix86_split_convert_uns_si_sse): Rename from
6944         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
6945         * config/i386/i386-protos.h: Update.
6946
6947 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6948
6949         PR c/29521
6950         * c-typeck.c (c_finish_return): Improve warning message.
6951
6952 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6953
6954         * alias.c (find_symbolic_term): Delete unused function.
6955
6956 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
6957
6958         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
6959         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
6960         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
6961
6962 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6963
6964         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
6965         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
6966         the function, temporarily point the debug interface to the null one.
6967
6968 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6969
6970         * dwarf2out.c (round_up_to_align): New static function.
6971         (field_byte_offset): Use it to round the offset.
6972
6973 2007-02-12  Richard Henderson  <rth@redhat.com>
6974
6975         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
6976         (inswl_const): Export.
6977
6978 2007-02-12  Richard Henderson  <rth@redhat.com>
6979
6980         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
6981         result mode of the libcall, convert back to outmode.
6982
6983 2007-02-12  Roger Sayle  <roger@eyesopen.com>
6984
6985         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
6986         (bswapdi2): New define_expand to implement 32-bit implementation.
6987
6988 2007-02-12  Nick Clifton  <nickc@redhat.com>
6989
6990         * doc/invoke.texi (Overall Options): Document --help=.
6991         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
6992         (cc1_options): Pass --help= on to cc1.
6993         (display_help): Add description of --help=.
6994         (process_command): Add code to handle --help=.  Allow translated
6995         --help and --target-help switches to be passed on to compiler
6996         sub-process.
6997         (main): Remove unused if statement.
6998         * opts.c (columns): Remove.
6999         (LEFT_COLUMN): Define.
7000         (wrap_help): Add columns argument.
7001         (print_filtered_help): Change parameters to be an include bitmask,
7002         an exclude bitmask, an any bitmask and the column width.  Move the
7003         code to display the params list here.  Add code to display the
7004         status of options rather than their descriptions if the quiet flag
7005         is not active.
7006         (print_specific_help): Change parameters to be an include bitmask,
7007         an exclude bitmask and an any bitmask.  Move code to look up the
7008         column width here.  Decide upon the title for an options listing.
7009         (common_handle_options): Add code to handle --help=.  Adapt code
7010         for --help and --target-help to use the revised form of the
7011         print_specific_help function.
7012         (print_help): Delete.
7013         (print_param_help): Delete.
7014         (print_switch): Delete.
7015         * opts.h (cl_lang_count): Add prototype.
7016         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
7017         CL_MAX_OPTION_CLASS): New defines.
7018         * optc-gen.awk: Add construction of cl_lang_count.
7019         * c.opt: Add Warning attribute to warning options and Optimization
7020         attribute to optimization options.
7021         * common.opt: Likewise.
7022         Add --help=.
7023         Add -fhelp and -ftarget-help as aliases for the transformed --help
7024         and --target-help options.
7025         * opt-functions.awk: Add code to handle Warning and Optimization
7026         attributes.
7027
7028 2007-02-12  Richard Henderson  <rth@redhat.com>
7029
7030         * config/alpha/constraints.md: New file.
7031         * config/alpha/alpha.c: Include tm-constrs.h.
7032         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
7033         alpha_extra_constraint): Remove.
7034         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
7035         * config/alpha/alpha-protos.h: Update.
7036         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
7037         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
7038         (EXTRA_CONSTRAINT): Remove.
7039         * config/alpha/alpha.md: Include constraints.md.
7040         (adddi splitter): Use satisfies_constraint_*.
7041         * config/alpha/predicates.md (add_operand): Likewise.
7042         (sext_add_operand, addition_operation): Likewise.
7043
7044 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
7045
7046         PR tree-optimization/29145
7047         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
7048         in our handling of restrict qualified pointers.
7049
7050 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7051
7052         PR middle-end/7651
7053         * doc/invoke.texi (Wunused-value): Update description.
7054         (Wextra): Delete item.
7055         * opts.c (set_Wextra): Don't use the value of Wextra to set the
7056         value of Wunused-value.
7057         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
7058         (c_finish_stmt_expr): Don't check extra_warnings.
7059         (emit_side_effect_warnings): The caller is responsible to check
7060         warn_unused_value.
7061
7062 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7063             Matt Thomas  <matt@3am-software.com>
7064
7065         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
7066
7067 2007-02-11  Roger Sayle  <roger@eyesopen.com>
7068
7069         * simplify-rtx.c (simplify_relational_operation_1): Optimize
7070         comparisons of POPCOUNT against zero.
7071         (simplify_const_relational_operation): Likewise.
7072
7073 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7074
7075         * doc/invoke.texi (Wextra): Delete outdated paragraph.
7076
7077 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7078
7079         * dwarf2out.c (root_type): Delete unused function.
7080
7081 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7082
7083         * genattrtab.c (contained_in_p): Delete unused function.
7084         (write_expr_attr_cache): Likewise.
7085
7086 2007-02-11  Jan Hubicka  <jh@suse.cz>
7087
7088         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
7089         previous patch.
7090
7091 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
7092
7093         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
7094         to add the REG_EQ* note.
7095         * see.c (see_merge_one_use_extension): Likewise.
7096         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
7097         turn REG_EQUAL notes into REG_EQUIV notes if the target
7098         register may have more than one set.
7099         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
7100         * gcse.c (try_replace_reg): Likewise.
7101         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
7102         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
7103         more than one REG_EQUIV note.
7104         * reload1.c (gen_reload): Use set_unique_reg_note.
7105
7106 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
7107
7108         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
7109         (ix86_builtin_conversion): New function.
7110
7111 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
7112
7113         PR target/29487
7114         * tree.h (DECL_REPLACEABLE_P): New macro.
7115         * except.c (set_nothrow_function_flags): Likewise.
7116
7117 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
7118             Ira Rosen  <irar@il.ibm.com>
7119             Dorit Nuzman  <dorit@il.ibm.com>
7120
7121         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
7122         * targhooks.c (default_builtin_vectorized_conversion): New.
7123         * targhooks.h (default_builtin_vectorized_function): New declaration.
7124         * target.h (struct vectorize): Add builtin_conversion field.
7125         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
7126         stmt_vec_info_type value.
7127         (vectorizable_conversion): New declaration.
7128         * tree-vect-analyze.c (vect_analyze_operations): Add
7129         vectorizable_conversion call.
7130         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
7131         * tree-vect-transform.c (vectorizable_conversion): New function.
7132         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
7133         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
7134         mode.
7135         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
7136         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
7137         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
7138         or ALTIVEC_BUILTIN_VCFSX.
7139
7140 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7141
7142         PR target/30634
7143         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
7144         CONST_DOUBLE and operand 0 is a hard register.
7145         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
7146         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
7147         is a hard floating-point register.
7148
7149 2007-02-10  Richard Henderson  <rth@redhat.com>
7150             Jakub Jelinek  <jakub@redhat.com>
7151             Alexandre Oliva  <aoliva@redhat.com>
7152
7153         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
7154         * builtin-types.def (BT_WORD): Make unsigned.
7155         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7156         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7157         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7158         * c-decl.c (grokdeclarator): Don't error if !have_tls.
7159         * c-parser.c (c_parser_omp_threadprivate): Likewise.
7160         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7161         emulated tls.
7162         * expr.c (emutls_var_address): New.
7163         (expand_expr_real_1): Expand emulated tls.
7164         (expand_expr_addr_expr_1): Likewise.
7165         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7166         * output.h (emutls_finish): Declare.
7167         * toplev.c (compile_file): Call it.
7168         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7169         address before wrapping in CONST.
7170         * varasm.c (emutls_htab, emutls_object_type): New.
7171         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7172         (get_emutls_object_name, get_emutls_object_type): New.
7173         (get_emutls_init_templ_addr, emutls_decl): New.
7174         (emutls_common_1, emutls_finish): New.
7175         (assemble_variable): When emulating tls, swap decls; generate
7176         constructor for the emutls objects.
7177         (do_assemble_alias): When emulating tls, swap decl and target name.
7178         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7179         for emulated tls.
7180         * varpool.c (decide_is_variable_needed): Look at force_output.
7181         Recurse for emulated tls.
7182         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
7183         with decide_is_variable_needed.
7184         * emutls.c: New file.
7185         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7186         tls_object for real tls.
7187
7188 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7189
7190         PR rtl-optimization/29599
7191         * reload1.c (eliminate_regs_in_insn): Take the destination
7192         mode into account when computing the offset.
7193
7194 2007-02-09  Stuart Hastings  <stuart@apple.com>
7195             Richard Henderson  <rth@redhat.com>
7196
7197         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7198         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
7199         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
7200         fixuns_truncdfhi2): New.
7201         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
7202         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
7203         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
7204         (floatunssidf2): Allow nonimmediate source.
7205         * config/i386/sse.md (movdi_to_sse): New.
7206         (vec_concatv2di): Drop '*'.
7207         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
7208         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7209         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
7210         New.
7211         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
7212         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
7213         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
7214         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
7215         (ix86_build_signbit_mask): Fix decl of v, refactor to call
7216         ix86_build_const_vector.
7217         (x86_emit_floatuns): Rewrite.
7218
7219 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7220
7221         * genautomata.c (longest_path_length): Delete unused function.
7222         (struct state): Delete unused longest_path_length.
7223         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
7224         (get_free_state): Delete unused.
7225
7226 2007-02-09  Jan Hubicka  <jh@suse.cz>
7227
7228         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
7229         * doc/invoke.texi (inline-unit-growth): Update default value.
7230
7231         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
7232         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
7233         (rebuild_cgraph_edges): Likewise.
7234         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
7235         (dump_cgraph_node): Dump frequencies.
7236         (cgraph_clone_edge): Add frequency scales.
7237         (cgraph_clone_node): Add freuqnecy.
7238         * cgraph.h (cgraph_edge): Add freuqnecy argument.
7239         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
7240         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
7241         * tree-pass.h (TODO_rebuild_frequencies): New constant.
7242         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
7243         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
7244         (save_inline_function_body): Likewise.
7245         * ipa-inline.c: inluce rtl.h
7246         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
7247         (cgraph_edge_badness): Use frequencies.
7248         (cgraph_decide_recursive_inlining): Update clonning.
7249         (cgraph_decide_inlining_of_small_function): Dump frequency.
7250         * predict.c (estimate_bb_frequencies): Export.
7251         * predict.h (estimate_bb_frequencies): Declare.
7252         * tree-inline.c (copy_bb): Watch overflows.
7253         (expand_call_inline): Update call of cgraph_create_edge.
7254         (optimize_inline_calls): Use TODO flags to update frequnecies.
7255         * passes.h: Include predict.h
7256         (init_optimization_passes): Move profile ahead.
7257         (execute_function_todo): Handle TODO_rebuild_frequencies.
7258
7259 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7260
7261         * config/alpha/alpha.c (emit_insxl): Force the first operand of
7262         the insbl or inswl pattern into a register.
7263
7264 2007-02-09  Roger Sayle  <roger@eyesopen.com>
7265
7266         * config/ia64/ia64.md (bswapdi2): New define_insn.
7267
7268 2007-02-09  Richard Henderson  <rth@redhat.com>
7269
7270         * config/i386/constraints.md (Ym): New constraint.
7271         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
7272         (movdi_1_rex64): Split sse and xmm general register moves from
7273         memory move alternatives.  Use conditional register constraints.
7274         (movsf_1, movdf_integer): Likewise.
7275         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
7276         (movdf_integer_rex64): New.
7277         (pushsf_rex64): Fix output constraints.
7278         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
7279         (sse2_stored): Likewise.
7280         (sse2_storeq_rex64): New.
7281         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
7282         amd and not generic.
7283         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
7284         for optimize_size.  Remove SF/DFmode hack.
7285
7286 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
7287
7288         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
7289         (bit_SSE4a): New.
7290
7291 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
7292             Richard Sandiford  <richard@codesourcery.com>
7293
7294         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
7295         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
7296         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
7297         m68k/t-mlib to tmake_file.
7298         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
7299         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
7300         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
7301         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
7302         variable is not empty, add t-$m68k_arch_family to tmake_file.
7303         Add t-mlibs to tmake_file.
7304         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
7305         * config/m68k/t-cf: New file.
7306         * config/m68k/t-m68k: Likewise.
7307         * config/m68k/t-mlibs: Likewise.
7308         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7309         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7310         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7311         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7312         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
7313         Delete.
7314         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
7315         (INSTALL_LIBGCC): Delete.
7316         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
7317         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7318         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7319         (M68K_MLIB_CPU): Define.
7320         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
7321         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
7322         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
7323
7324 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
7325             Richard Guenther  <rguenther@suse.de>
7326
7327         PR middle-end/23361
7328         * fold-const.c (fold_comparison): Handle obfuscated comparisons
7329         against INT_MIN/INT_MAX.
7330         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
7331         file if a loop is removed.
7332
7333 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
7334
7335         * calls.c (store_one_arg): Pass correct alignment to
7336         emit_push_insn for non-BLKmode values.
7337         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
7338         unaligned stack slot via a suitably aligned slot.
7339
7340 2007-02-08  DJ Delorie  <dj@redhat.com>
7341
7342         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
7343         warnings.
7344         (legal_subregs): Use unsigned char, make const.
7345         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
7346
7347 2007-02-08  Paul Brook  <paul@codesourcery.com>
7348
7349         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
7350         special interworking needed.
7351
7352 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
7353
7354         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
7355         conditional to __SSE2__.
7356         (Entries below should have been added to first ChangeLog
7357         entry for amdfam10 dated 2007-02-05)
7358         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
7359         defined.
7360         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
7361         defined.
7362         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
7363         defined.
7364
7365 2007-02-08  DJ Delorie  <dj@redhat.com>
7366
7367         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
7368         * config/m32c/m32c.c (legal_subregs): New.
7369         (m32c_illegal_subreg_p): New.
7370         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
7371         unsupported subregs of hard regs.
7372
7373 2007-02-08  Jan Hubicka  <jh@suse.cz>
7374
7375         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
7376         the same one; always update histograms.
7377
7378 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7379
7380         * passes.c (init_optimization_passes): Tidy comment.
7381
7382 2007-02-08  Roger Sayle  <roger@eyesopen.com>
7383
7384         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
7385         strip zero_extend, bswap and rotates from POCOUNT's argument.
7386         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
7387         zero_extend and rotates from PARITY's argument.
7388         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
7389         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
7390         of an integer constant at compile-time.
7391
7392 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
7393
7394         PR 30562
7395         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
7396         Update all users.
7397         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
7398         users.
7399         (init_alias_info):
7400         * tree-ssa-live.c (remove_unused_locals): Do not remove
7401         TREE_ADDRESSABLE variables.
7402         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
7403         * tree-ssa-operands.c (add_virtual_operand): Remove argument
7404         FOR_CLOBBER.  Update all users.
7405         If VAR has an associated alias set, add a virtual operand for
7406         it if no alias is found to conflict with the memory reference.
7407
7408 2007-02-07  Jan Hubicka  <jh@suse.cz>
7409             Robert Kidd <rkidd@crhc.uiuc.edu>
7410
7411         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
7412
7413 2007-02-07  Ian Lance Taylor  <iant@google.com>
7414
7415         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
7416
7417 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7418
7419         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
7420         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
7421         tablejumpdi, movsi_to_cr_one): Remove constraints from
7422         define_expand's match_operands.
7423
7424 2007-02-07  Roger Sayle  <roger@eyesopen.com>
7425
7426         * global.c (compute_regsets): Move declatation of "i" inside of
7427         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
7428
7429 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
7430
7431         PR c++/30703
7432         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
7433         of INDIRECT_REF <RESULT_DECL>.
7434
7435         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
7436
7437 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
7438             Kaz Kojima  <kkojima@gcc.gnu.org>
7439
7440         PR target/29746
7441         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
7442         properly.
7443         (sh_initialize_trampoline): Add parentheses to avoid a warning.
7444
7445 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
7446
7447         * doc/loop.texi: Document possibility not to perform disambiguation
7448         of loops with multiple latches.
7449         * cfgloopmanip.c (alp_enum_p): Removed.
7450         (add_loop): Handle subloops.  Use get_loop_body_with_size.
7451         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
7452         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
7453         the new forwarder block.
7454         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
7455         Handle the case latch is NULL.
7456         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
7457         when marking loop exits.
7458         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
7459         be modified.
7460         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
7461         disambiguate_loops_with_multiple_latches.
7462         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
7463         before fix_loop_structure.
7464         * cfgloop.c: Include pointer-set.h and output.h.
7465         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
7466         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
7467         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
7468         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
7469         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
7470         disambiguate_multiple_latches, get_loop_body_with_size,
7471         disambiguate_loops_with_multiple_latches): New functions.
7472         (flow_loop_dump): Dump multiple latch edges.
7473         (flow_loop_nodes_find): Handle loops with multiple latches.
7474         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
7475         (glb_enum_p): Modified.
7476         (get_loop_body): Use get_loop_body_with_size.
7477         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
7478         (AVOID_CFG_MODIFICATIONS): New constant.
7479         (disambiguate_loops_with_multiple_latches, add_loop,
7480         get_loop_body_with_size): Declare.
7481         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
7482
7483 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
7484
7485         PR inline-asm/28686
7486         * global.c (compute_regsets): New function.
7487         (global_alloc): Refactored ELIMINABLE_REGSET
7488         and NO_GLOBAL_ALLOC_REGS computation out.
7489         (rest_of_handle_global_alloc): Call compute_regsets()
7490         for non-optimizing case.
7491
7492 2007-02-06  Richard Henderson  <rth@redhat.com>
7493
7494         * config/i386/constraints.md (Y2): Rename from Y.
7495         (Yi): New constraint.
7496         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
7497         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
7498         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
7499         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
7500         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
7501         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
7502         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
7503         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
7504         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
7505         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
7506         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
7507         vec_extractv2si_1): Change Y constraints to Y2.
7508         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
7509         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
7510         Change Y constraints to Y2.
7511         (sse2_loadld): Change Y constraints to x.
7512
7513 2007-02-06  Roger Sayle  <roger@eyesopen.com>
7514
7515         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
7516         (parity<mode>2): New define_expand using rs6000_emit_parity.
7517         * config/rs6000/rs6000.c (rs6000_emit_popcount,
7518         rs6000_emit_parity): New functions.
7519         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
7520         rs6000_emit_parity): Prototype here.
7521
7522 2007-02-06  Ian Lance Taylor  <iant@google.com>
7523
7524         * lower-subreg.c (simple_move_operand): Reject CONST.
7525         (resolve_clobber): Call validate_change rather than directly
7526         assigning to XEXP (pat, 0).
7527
7528 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7529
7530         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
7531         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
7532         (tree-cfg.o): Remove hashtab.h dependency.
7533
7534         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
7535         (struct ivopts_data): Change niters to pointer_map_t.
7536         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
7537         (niter_for_exit): Create pointer_map on demand.  Change for
7538         pointer_map API.
7539         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
7540         (free_loop_data): Destroy data->niters if created and reset field.
7541         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
7542         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
7543
7544         * tree-ssa-reassoc.c: Include pointer-set.h.
7545         (bb_rank): Change to long *.
7546         (operand_rank): Change to pointer_map_t.
7547         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
7548         (insert_operand_rank): Accept long.
7549         (operand_entry_hash, operand_entry_eq): Remove.
7550         (get_rank): Return long.  Adjust for changes above.
7551         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
7552         and operand_rank.
7553         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
7554
7555         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
7556         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
7557         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
7558         is not NULL.
7559         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
7560         directly since it cannot be NULL.
7561         (get_vi_for_tree): Rewrite for pointer_map API.
7562         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
7563         (init_alias_vars): Create vi_for_tree as pointer_map.
7564         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
7565
7566         * tree-cfg.c: Don't include hashtab.h.
7567         (edge_to_cases): Declare as pointer_map.
7568         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
7569         Delete.
7570         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
7571         (start_recording_case_labels): Create edge_to_cases as pointer_map.
7572         (end_recoding_case_labels): Cleanup edge_to_cases manually before
7573         destroying it.
7574         (record_switch_edge): Delete.
7575         (get_cases_for_edge): Adjust for pointer_map API, inline
7576         record_switch_edge (rewritten for new API), remove goto.
7577
7578 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
7579
7580         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
7581         * tree-nested.c: Include pointer-set.h.
7582         (var_map_elt, var_map_eq, var_map_hash): Delete.
7583         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
7584         to pointer_map_t's.
7585         (nesting_info_bitmap_obstack): New.
7586         (lookup_field_for_decl): Adjust for pointer_map API.
7587         (lookup_tramp_for_decl): Adjust for pointer_map API.
7588         (get_nonlocal_debug_decl): Adjust for pointer_map API.
7589         (get_local_debug_decl): Adjust for pointer_map API.
7590         (convert_nl_goto_reference): Adjust for pointer_map API.
7591         (convert_nl_goto_receiver): Adjust for pointer_map API.
7592         (create_nesting_tree): Create outside GGC space.  Create bitmap on
7593         the new obstack.  Create field_map and var_map as pointer_maps.
7594         (free_nesting_tree): Adjust for changes to create_nesting_tree.
7595         (root): Delete.
7596         (lower_nested_functions): Move root here, no need to NULL it.
7597         Initialize and release the obstack.
7598
7599 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
7600
7601         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
7602         Remove prototypes and make them non-static.
7603         (struct tree_int_map): Remove.
7604         * tree.h (struct tree_int_map): Move here, turning TO into an
7605         unsigned int.
7606         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
7607
7608         * tree.h (TREE_COMPLEXITY): Remove.
7609         (struct tree_exp): Remove complexity field.
7610         * tree.c (build1_stat): Don't set it.
7611
7612 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
7613             Victor Kaplansky  <victork@il.ibm.com>
7614
7615         * tree-vectorizer.c (vect_is_simple_use): Support induction.
7616         (vect_is_simple_reduction): Support reduction with induction as
7617         one of the operands.
7618         (vect_is_simple_iv_evolution): Fix formatting.
7619         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
7620         formatting.  Don't mark induction phis for vectorization.
7621         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
7622         * tree-vect-transform.c (get_initial_def_for_induction): New function.
7623         (vect_get_vec_def_for_operand): Support induction.
7624         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
7625         induction case.
7626         (vectorizable_reduction): Support reduction with induction as one of
7627         the operands.
7628         (vectorizable_type_demotion): Use def-type of stmt argument rather
7629         than dummy def-type.
7630
7631         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
7632         flag_tree_scev_cprop.
7633         * common.opt (tree-scev-cprop): New flag.
7634
7635         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
7636         call to vect_get_new_vect_var.
7637
7638 2007-02-06  Ira Rosen  <irar@il.ibm.com>
7639
7640         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
7641         vectype is not NULL.
7642         (vect_pattern_recog_1): Likewise.
7643
7644 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7645
7646         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
7647         (fold_negate_expr): Likewise.
7648
7649 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
7650
7651         PR debug/30189
7652         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
7653         even if cv-qualification is the same.
7654
7655 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
7656
7657         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
7658         __enable_execute_stack on completion.
7659
7660 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7661
7662         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
7663         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
7664         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
7665         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
7666         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
7667         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
7668         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
7669         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
7670
7671 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7672
7673         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
7674         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
7675         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
7676         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
7677         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
7678         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
7679         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
7680         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
7681         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
7682         umuldi3_highpart_rex64, umulsi3_highpart_insn,
7683         umulsi3_highpart_zext, smuldi3_highpart_rex64,
7684         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
7685         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
7686         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
7687         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
7688         sqrtextenddfxf2_i387): Added amdfam10_decode.
7689
7690         * config/i386/athlon.md (athlon_idirect_amdfam10,
7691         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
7692         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
7693         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
7694         athlon_ivector_store_amdfam10): New define_insn_reservation.
7695         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
7696         amdfam10.
7697
7698 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7699
7700         * config/i386/athlon.md (athlon_call_amdfam10,
7701         athlon_pop_amdfam10, athlon_lea_amdfam10): New
7702         define_insn_reservation.
7703         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
7704         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
7705         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
7706
7707 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7708
7709         * config/i386/athlon.md (athlon_sseld_amdfam10,
7710         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
7711         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
7712
7713 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7714
7715         * config/i386/athlon.md (athlon_sseins_amdfam10): New
7716         define_insn_reservation.
7717         * config/i386/i386.md (sseins): Added sseins to define_attr type
7718         and define_attr unit.
7719         * config/i386/sse.md: Set type attribute to sseins for insertq
7720         and insertqi.
7721
7722 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7723
7724         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
7725         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
7726         ssecomi_load_amdfam10, ssecomi_amdfam10,
7727         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
7728         define_insn_reservation.
7729         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
7730
7731 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7732
7733         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
7734         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
7735         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
7736         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
7737         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
7738         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
7739         define_insn_reservation.
7740
7741         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
7742         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
7743         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
7744         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
7745         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
7746
7747 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7748
7749         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
7750         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
7751         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
7752         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
7753         athlon_ssemul_load_k8): Added amdfam10.
7754
7755 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7756
7757         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
7758         (x86_sse_unaligned_move_optimal): New variable.
7759
7760         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
7761         m_AMDFAM10.
7762         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
7763         for unaligned vector SSE double/single precision loads for AMDFAM10.
7764
7765 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7766
7767         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
7768         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
7769         Define TARGET_CPU_DEFAULT_amdfam10.
7770         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
7771         (processor_type): Add PROCESSOR_AMDFAM10.
7772
7773         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
7774         processor_type in config/i386/i386.h.
7775         Enable imul peepholes for TARGET_AMDFAM10.
7776
7777         * config.gcc: Add support for --with-cpu option for amdfam10.
7778
7779         * config/i386/i386.c (amdfam10_cost): New variable.
7780         (m_AMDFAM10): New macro.
7781         (m_ATHLON_K8_AMDFAM10): New macro.
7782         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
7783         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
7784         x86_promote_QImode, x86_integer_DFmode_moves,
7785         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7786         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
7787         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
7788         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
7789         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
7790         Enable/disable for amdfam10.
7791         (override_options): Add amdfam10_cost to processor_target_table.
7792         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
7793         processor_alias_table.
7794         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
7795         (ix86_adjust_cost): Add code for amdfam10.
7796
7797 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
7798
7799         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
7800         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
7801         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
7802         * config/i386/i386.h: Add builtin definition for SSE4A.
7803         * config/i386/i386.md: Add support for ABM instructions
7804         (popcnt and lzcnt).
7805         * config/i386/sse.md: Add support for SSE4A instructions
7806         (movntss, movntsd, extrq, insertq).
7807         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
7808         Add -march=amdfam10 flag.
7809         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
7810         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
7811         and amdfam10.
7812         * doc/extend.texi: Add documentation for SSE4A builtins.
7813
7814 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
7815
7816         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
7817
7818 2007-02-05  Richard Guenther  <rguenther@suse.de>
7819
7820         * tree-vectorizer.h (vectorizable_function): Add argument type
7821         argument, change return type.
7822         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
7823         * tree-vect-transform.c (vectorizable_function): Handle extra
7824         argument, return vectorized function decl.
7825         (build_vectorized_function_call): Remove.
7826         (vectorizable_call): Handle calls with result and argument types
7827         differing.  Handle loop vectorization factor correctly.
7828         * targhooks.c (default_builtin_vectorized_function): Adjust for
7829         extra argument.
7830         * targhooks.h (default_builtin_vectorized_function): Likewise.
7831         * target.h (builtin_vectorized_function): Add argument type
7832         argument.
7833         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
7834         extra argument, allow vectorizing of lrintf.
7835         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
7836         documentation of target hook.
7837
7838 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
7839
7840         PR target/30665
7841         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
7842         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
7843         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
7844
7845 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7846
7847         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
7848         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
7849         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
7850         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
7851         before canonicalizing sincos to cexpi.
7852         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
7853
7854 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7855
7856         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
7857         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
7858         (alpha_init_builtins): Use alpha_add_builtins to process tables.
7859
7860 2007-02-05  Roger Sayle  <roger@eyesopen.com>
7861
7862         * mips-tfile.c (initialize_init_file): Correct endianness test.
7863
7864 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
7865
7866         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
7867         the 'y' constraint.
7868
7869 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7870
7871         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
7872         saves in a PARALLEL before the register assignments.
7873
7874 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
7875
7876         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
7877         DWARF_FRAME_RETURN_COLUMN to be a general register.
7878         * dwarf2out.c (init_return_column_size): New function, split from...
7879         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
7880         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
7881         to be nongeneral registers.
7882         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
7883         integer registers.
7884         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
7885         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
7886
7887 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7888
7889         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
7890
7891 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
7892
7893         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
7894         (remove_path): Use can_remove_branch_p and remove_branch instead
7895         of loop_delete_branch_edge.
7896         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
7897         (tree_transform_and_unroll_loop): Remove dead branches immediately.
7898         Update profile using scale_dominated_blocks_in_loop.
7899         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
7900         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
7901         (can_remove_branch_p, remove_branch): Declare.
7902         * tree-cfg.c (tree_can_remove_branch_p): New function.
7903         (tree_cfg_hooks): Add tree_can_remove_branch_p.
7904         * cfgrtl.c (rtl_can_remove_branch_p): New function.
7905         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
7906
7907 2007-02-05  Jan Hubicka  <jh@suse.cz>
7908
7909         PR middle-end/30696
7910         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
7911         nodes in cgraph, don't remove offline copy of the function.
7912
7913 2007-02-04  Jan Hubicka  <jh@suse.cz>
7914
7915         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
7916         vectors might cause maybe_lookup_element_for_expr to be called
7917         on non-sra-candidate.
7918
7919 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7920
7921         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
7922         config/bfin/bfin.md, config/bfin/predicates.md: Follow
7923         spelling conventions.
7924
7925 2007-02-04  Richard Guenther  <rguenther@suse.de>
7926
7927         PR middle-end/30636
7928         * fold-const.c (try_move_mult_to_index): Make sure to not
7929         overflow one dimension of a multi-dimensional array access.
7930
7931 2007-02-04  Jan Hubicka  <jh@suse.cz>
7932
7933         * passes.c (init_optimization_passes): Reindent.
7934
7935 2007-02-04  Jan Hubicka  <jh@suse.cz>
7936             Eric Botcazou  <ebotcazou@adacore.com>
7937
7938         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
7939         (execute_fixup_cfg): Break out the abnormal goto code.
7940         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
7941         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
7942         (optimize_inline_calls): Call make_nonlocal_label_edges.
7943
7944 2007-02-04  Jan Hubicka  <jh@suse.cz>
7945
7946         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
7947         true when something was changed.
7948         (rename_ssa_copies): When something was changed, do
7949         TODO_remove_unused_locals.
7950         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
7951         add TODO_remove_unused_locals when instruction was removed.
7952
7953 2007-02-04  Jan Hubicka  <jh@suse.cz>
7954
7955         * ipa-inline.c (try_inline): Improve debug output; work on already
7956         inline edges too.
7957         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
7958         call try_inline for already inlined edges too when flattening;
7959         inline also functions that make callee growth but overall unit size
7960         reduce.
7961
7962 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7963
7964         * config/m32c/bitops.md, config/m32c/jump.md,
7965         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
7966         config/m32r/m32r.h, config/m32r/m32r.md,
7967         config/m32r/predicates.md, config/m68hc11/larith.asm,
7968         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
7969         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
7970         config/mips/mips-protos.h, config/mips/mips.c,
7971         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
7972         config/mn10300/mn10300.h, config/mn10300/predicates.md,
7973         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
7974         spelling conventions.
7975
7976         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
7977         Follow spelling conventions.
7978
7979 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
7980
7981         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
7982         warn about C++0x compatibility.
7983
7984 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
7985
7986         * config/h8300/h8300.c, config/h8300/h8300.h,
7987         config/h8300/h8300.md: Follow spelling conventions.
7988
7989 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
7990
7991         PR middle-end/30667
7992         * combine.c (try_combine): Do not substitute source operand
7993         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
7994
7995 2007-02-03  Jan Hubicka  <jh@suse.cz>
7996
7997         PR gcov-profile/30650
7998         * value-prof.c (stringop_block_profile): Fix handling of size counter;
7999         do not divide by zero for never executed counters.
8000         (tree_find_values_to_profile): Fix counters.
8001         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
8002
8003 2007-02-03  Ian Lance Taylor  <iant@google.com>
8004
8005         * lower-subreg.c (simple_move_operand): New static function,
8006         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
8007         operands.
8008         (simple_move): Call simple_move_operand.
8009         (find_decomposable_subregs): Add special handling of MEMs.
8010         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
8011         meaning of return value.  If we see a hard register, test whether
8012         it can store a word_mode value.  Change all callers.
8013
8014 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8015
8016         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
8017         ftrapv insns and expanders.
8018         (subdi3): Change define_expand operand 1 to arith11_operand, and
8019         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
8020         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
8021         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
8022         respectively.
8023
8024         PR middle-end/30174
8025         * varasm.c (notice_global_symbol): Treat global objects as weak when
8026         flag_shlib is true.
8027
8028 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8029
8030         * emit-rtl.c (dconstpi): Delete.
8031         (dconstsqrt2): New.
8032         (init_emit_once): Delete dconstpi and init dconstsqrt2.
8033         * real.h (dconstpi): Delete.
8034         (dconstsqrt2): New.
8035         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
8036         (fold_builtin_hypot): Likewise.
8037
8038 2007-02-03  Tom Tromey  <tromey@redhat.com>
8039
8040         PR driver/30246
8041         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
8042         -gcoff3, -gxcoff3, -gvms3 implies -dD.
8043
8044 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
8045
8046         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
8047         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
8048         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
8049         config/rs6000/cell.md, config/rs6000/darwin.h,
8050         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
8051         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
8052         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
8053         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
8054         typos.  Follow spelling conventions.
8055         * doc/invoke.texi: Follow spelling conventions.
8056
8057 2007-02-03  Roger Sayle  <roger@eyesopen.com>
8058
8059         * simplify-rtx.c (simplify_relational_operation_1): Implement some
8060         canonicalization transformations that attempt to simplify integer
8061         constant comparisons to become comparisons against zero.
8062
8063 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8064
8065         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
8066         fabs(x)*sqrt(2).
8067         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
8068         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
8069
8070 2007-02-02  Mike Stump  <mrs@apple.com>
8071
8072         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
8073         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
8074         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
8075         generate a branch island.
8076
8077 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
8078
8079         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
8080         (xtensa_legitimate_address_p): New.
8081         (xtensa_legitimize_address): New.
8082         (xtensa_output_addr_const_extra): New.
8083         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
8084         (BASE_REG_P): New.
8085         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
8086         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
8087         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
8088         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
8089         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
8090         (xtensa_legitimize_address): New.
8091         (xtensa_output_addr_const_extra): New.
8092
8093 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
8094
8095         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
8096
8097 2007-02-02  Ian Lance Taylor  <iant@google.com>
8098
8099         * expmed.c (expand_divmod): Add comment.
8100
8101 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
8102
8103         * emit-rtl.c (renumber_insns): Remove.
8104         * flags.h: Remove the extern for flag_renumber_insns.
8105         * rtl.h: Remove the prototype for renumber_insns.
8106         * toplev.c (flag_renumber_insns): Remove.
8107
8108 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
8109
8110         Revert for x86 darwin:
8111         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
8112
8113         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
8114         code before the following patch under TARGET_MACHO.
8115         (ix86_function_value_regno_p): Likewise.
8116
8117 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8118
8119         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
8120         COMPLEX_EXPR.
8121
8122 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8123
8124         PR target/29682
8125         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
8126         general or fp registers.  Add comments.
8127         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
8128
8129 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
8130
8131         * pointer-set.c (insert_aux): Only return insertion slot.
8132         (pointer_set_insert): Adjust.
8133         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
8134         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
8135         pointer_map_traverse): New.
8136         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
8137         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
8138         pointer_map_contains, pointer_map_traverse): Declare.
8139
8140 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
8141
8142         PR middle-end/30473
8143         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
8144         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
8145
8146 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
8147
8148         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
8149
8150         (struct _dep): New type.
8151         (dep_t): New typedef.
8152         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
8153         (DEP_STATUS): New access macro.  The macro with the same name was
8154         renamed to DEP_LINK_STATUS.
8155         (dep_init): Declare function
8156
8157         (struct _dep_link): New type.
8158         (dep_link_t): New typedef.
8159         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
8160         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
8161         (DEP_LINK_STATUS): New macro.
8162         (debug_dep_links): New debug function.
8163
8164         (struct _deps_list): New type.
8165         (deps_list_t): New typedef.
8166         (DEPS_LIST_FIRST): New access macro.
8167         (FOR_EACH_DEP_LINK): New cycle macro.
8168         (create_deps_list, free_deps_list, delete_deps_list): Declare
8169         functions.
8170         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
8171         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
8172         (copy_deps_list_change_con): Ditto.
8173
8174         (move_dep_link): Declare function.
8175
8176         (struct _dep_node): New type.
8177         (dep_node_t): New typedef.
8178         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
8179
8180         (struct haifa_insn_data.back_deps): New field to hold backward
8181         dependencies of the insn.
8182         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
8183         to deps_list_t.
8184         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
8185         Change its type to deps_list_t.
8186         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
8187         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
8188         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
8189
8190         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
8191
8192         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
8193
8194         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
8195         all callers.
8196         (dep_cost): Declare.
8197
8198         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
8199         (ds_to_dk, dk_to_ds): New functions.
8200
8201         (init_dep_1): New static function.
8202         (init_dep): New function.
8203         (copy_dep): New static function.
8204
8205         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
8206         functions.
8207         (detach_dep_link): New static function.
8208         (move_dep_link): New function.
8209
8210         (dep_links_consistent_p, dump_dep_links): New static functions.
8211         (debug_dep_links): New debugging function.
8212
8213         (deps_obstack, dl_obstack, dn_obstack): New static variables.
8214
8215         (alloc_deps_list, init_deps_list): New static functions.
8216         (create_deps_list): New function.
8217         (clear_deps_list): New static function.
8218         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
8219         (deps_list_consistent_p, dump_deps_list): New static functions.
8220         (debug_deps_list): New function.
8221         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
8222         functions.
8223         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
8224
8225         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
8226         use new scheduler dependencies lists.
8227         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
8228         (sched_analyze): Ditto.  Initialize dependencies lists.
8229         (add_forw_dep, compute_forward_dependences): Update to use new
8230         scheduler dependencies lists.
8231
8232         (init_dependency_caches): Init deps_obstack.
8233         (free_dependency_caches): Free deps_obstack.
8234
8235         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
8236         new scheduler dependencies lists.
8237         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
8238         (add_back_forw_dep, delete_back_forw_dep): Ditto.
8239
8240         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
8241         Update to use new scheduler dependencies lists.
8242         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
8243         (debug_dependencies): Ditto.
8244         (schedule_region): Update comments.
8245
8246         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
8247         scheduler dependencies lists.
8248         (schedule_ebb): Update comments.
8249
8250         * rtl.def (DEPS_LIST): Remove.
8251
8252         * lists.c (unused_deps_list): Remove.
8253         (free_list): Update assertions.
8254
8255         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
8256         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8257
8258         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
8259         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
8260
8261         * haifa-sched.c (comments): Update.
8262         (insn_cost1): Remove.  Inline the code into insn_cost ().
8263         (insn_cost): Update to use new scheduler dependencies lists.  Move
8264         processing of the dependency cost to dep_cost ().
8265         (dep_cost): New function.  Use it instead of insn_cost () when
8266         evaluating cost of the dependency.  Use compatible interface to
8267         interact with the target.
8268         (priority): Update to use new scheduler dependencies lists.
8269         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
8270         with greater number of insns that depend on the insn.
8271         (schedule_insn): Update to use new scheduler dependencies lists.  Add
8272         code to free backward dependencies lists.  Inline and optimize code
8273         from resolve_dep () - see PR28071.
8274         (ok_for_early_queue_removal): Update to use new scheduler dependencies
8275         lists.  Update call to targetm.sched.is_costly_dependence hook.
8276
8277         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
8278         scheduler dependencies lists.
8279
8280         (resolve_dep): Remove.  Move the logic to schedule_insn ().
8281         (init_h_i_d): Initialize dependencies lists.
8282
8283         (process_insn_depend_be_in_spec): Rename to
8284         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
8285         dependencies lists.
8286         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
8287         Update to use new scheduler dependencies lists.
8288         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
8289
8290         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
8291         new scheduler dependencies lists.
8292         (build_intra_loop_deps): Ditto.
8293
8294         * target.h (struct _dep): Declare to use in
8295         gcc_target.sched.is_costly_dependence.
8296         (struct gcc_target.sched.adjust_cost): Fix typo.
8297         (struct gcc_target.sched.is_costly_dependence): Change signature to use
8298         single dep_t parameter instead of an equivalent triad.
8299         (struct gcc_target.sched.adjust_cost_2): Remove.
8300
8301         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
8302
8303         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
8304
8305         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
8306         documentation.
8307         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
8308
8309         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
8310         (REG_DEP_TRUE): Document.
8311
8312         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
8313         Change signature to correspond to the targetm.sched.adjust_cost hook.
8314         Update use in TARGET_SCHED_ADJUST_COST_2.
8315         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
8316         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
8317         new scheduler dependencies lists.
8318         (ia64_gen_check): Ditto.
8319
8320         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
8321         dependencies lists.
8322
8323         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
8324         signature to correspond to the targetm.sched.is_costly_dependence hook.
8325         (is_costly_group): Update to use new scheduler dependencies lists.
8326
8327         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
8328         instead of INSN_COST () macro.
8329
8330 2007-02-01  Ian Lance Taylor  <iant@google.com>
8331
8332         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
8333
8334 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
8335
8336         * pa.md (tp_load): Correct mfctl instruction syntax.
8337
8338 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
8339
8340         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
8341         altivec_padding_size calculation on AIX.  Improve comment, add
8342         assert to verify that it's right.
8343
8344         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
8345         64-bit.
8346
8347 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
8348
8349         PR inline-asm/28686
8350         * global.c (global_alloc): Add mising initialization of
8351         ELIMINABLE_REGSET.
8352
8353 2007-02-01  Roger Sayle  <roger@eyesopen.com>
8354
8355         * alias.c (init_alias_analysis): Correct whitespace.
8356         * bb-reorder.c (fix_edges_for_rarely_executed_code,
8357         partition_hot_cold_basic_blocks): Likewise.
8358         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
8359         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
8360         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
8361         fold_builtin_snprintf_chk, fold_builtin_printf,
8362         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
8363         do_mpfr_arg3, do_mpfr_sincos): Likewise.
8364         * cfgcleanup.c (cleanup_cfg): Likewise.
8365         * cfgexpand.c (tree_expand_cfg): Likewise.
8366         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
8367         * function.c (get_next_funcdef_no): Likewise.
8368         * gengtype.c (main): Likewise.
8369         * genmodes.c (main): Likewise.
8370         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
8371         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
8372         * ifcvt.c (noce_emit_move_insn): Likewise.
8373         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
8374         Likewise.
8375         * stor-layout.c (get_best_mode): Likewise.
8376         * tree-ssa-loop-niter.c (get_val_for): Likewise.
8377         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
8378         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
8379         perform_var_substitution, solve_graph): Likewise.
8380         * tree-vrp.c (vrp_finalize): Likewise.
8381
8382 2007-02-01  Ian Lance Taylor  <iant@google.com>
8383
8384         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
8385         high part of a paradoxical subreg, return a constant zero.
8386
8387 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
8388
8389         * toplev.c (lang_dependent_init): Call init_set_costs.
8390         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
8391
8392 2007-02-01  Richard Guenther  <rguenther@suse.de>
8393
8394         PR middle-end/30656
8395         * fold-const.c (fold_negate_expr): Allow negating a
8396         constant if overflow does not change.
8397
8398 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8399
8400         * doc/c-tree.texi (Expression trees): Improve markup.
8401         * doc/tm.texi (Register Classes, Addressing Modes)
8402         (Floating Point): Fix spacing after abbreviations.  Fix some
8403         typos.
8404
8405 2007-02-01  Ben Elliston  <bje@au.ibm.com>
8406
8407         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
8408         * doc/contrib.texi: Likewise.
8409         * doc/install.texi: Likewise.
8410
8411 2007-01-31  Richard Henderson  <rth@redhat.com>
8412             Ian Lance Taylor  <iant@google.com>
8413
8414         * lower-subreg.c: New file.
8415         * rtl.def (CONCATN): Define.
8416         * passes.c (init_optimization_passes): Add pass_lower_subreg and
8417         pass_lower_subreg2.
8418         * emit-rtl.c (update_reg_offset): New static function, broken out
8419         of gen_rtx_REG_offset.
8420         (gen_rtx_REG_offset): Call update_reg_offset.
8421         (gen_reg_rtx_offset): New function.
8422         * regclass.c: Revert patch of 2006-03-05, restoring
8423         reg_scan_update.
8424         (clear_reg_info_regno): New function.
8425         * dwarf2out.c (concatn_loc_descriptor): New static function.
8426         (loc_descriptor): Handle CONCATN.
8427         * common.opt (fsplit_wide_types): New option.
8428         * opts.c (decode_options): Set flag_split_wide_types when
8429         optimizing.
8430         * timevar.def (TV_LOWER_SUBREG): Define.
8431         * rtl.h (gen_reg_rtx_offset): Declare.
8432         (reg_scan_update): Declare.
8433         * regs.h (clear_reg_info_regno): Declare.
8434         * tree-pass.h (pass_lower_subreg): Declare.
8435         (pass_lower_subreg2): Declare.
8436         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
8437         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
8438         -fsplit-wide-types.
8439         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
8440         * Makefile.in (OBJS-common): Add lower-subreg.o.
8441         (lower-subreg.o): New target.
8442
8443 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8444
8445         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
8446
8447 2007-01-31  Anatoly Sokolov <aesok@post.ru>
8448
8449         PR target/19087
8450         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
8451
8452 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8453
8454         PR middle-end/29335
8455         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
8456
8457 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
8458
8459         * cfgloop.h: Include vec-prim.h.
8460         (enum li_flags): Remove LI_ONLY_OLD.
8461         (loop_iterator): Changed.
8462         (fel_next, fel_init): Iterate over loop tree.
8463         (FOR_EACH_LOOP_BREAK): New macro.
8464         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
8465         FOR_EACH_LOOP.
8466         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
8467         * modulo-sched.c (sms_schedule): Ditto.
8468         * tree-vectorizer.c (vectorize_loops): Ditto.
8469         * doc/loop.texi: Update information on loop numbering and behavior of
8470         FOR_EACH_LOOP wrto new loops.
8471         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8472         add_to_evolution_1): Test nestedness of loops instead of comparing
8473         their numbers.
8474         * tree-chrec.c (chrec_fold_plus_poly_poly,
8475         chrec_fold_multiply_poly_poly, chrec_evaluate,
8476         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
8477         reset_evolution_in_loop): Ditto.
8478         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
8479
8480 2007-01-31  Dirk Mueller  <dmueller@suse.de>
8481
8482         * c-common.c (warn_about_parentheses): Separate warning about
8483         un-parenthized sequence of comparison operators from the one
8484         which is supposed to warn about x <= y <= z.
8485
8486 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
8487
8488         * optabs.h (enum optab_index): Add new OTI_isinf.
8489         (isinf_optab): Define corresponding macro.
8490         * optabs.c (init_optabs): Initialize isinf_optab.
8491         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
8492         patterns.
8493         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
8494         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
8495         using isinf_optab.
8496         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
8497         expand_builtin_interclass_mathfn.
8498         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
8499         * config/i386/i386.md (UNSPEC_FXAM): New constant.
8500         (fxam<mode>2_i387): New insn pattern.
8501         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
8502         built-in functions as x87 inline asm.
8503
8504 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8505
8506         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
8507
8508 2007-01-30  Eric Christopher  <echristo@apple.com>
8509
8510         * config.gcc: Add geode.
8511
8512 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
8513
8514         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
8515         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
8516         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
8517         value-prof.c: Fix comment typos.
8518
8519 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8520
8521         PR c++/24745
8522         * doc/invoke.texi (Wpointer-arith): Document warning.
8523
8524 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
8525
8526         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
8527         the list of discrepancies from the draft TR.
8528
8529 2007-01-30  Dirk Mueller  <dmueller@suse.de>
8530
8531         PR c++/30601
8532         * doc/invoke.texi (-Wreturn-type): Update description to
8533         match new behavior.
8534
8535 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
8536
8537         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
8538
8539 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
8540
8541         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
8542         to handle optabs that operate on floating point input argument and
8543         output to integer output.
8544         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
8545         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
8546         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
8547         expand_builtin_interclass_mathfn ().
8548         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
8549         (ilogbsi2): Remove.
8550         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
8551         ilogbl built-in functions as x87 intrinsics.
8552
8553 2007-01-30  Richard Guenther  <rguenther@suse.de>
8554
8555         PR middle-end/27657
8556         * dwarf2out.c (reference_to_unused): Query varpool if the
8557         variable was output.
8558
8559 2007-01-30  Richard Guenther  <rguenther@suse.de>
8560
8561         PR middle-end/30313
8562         * passes.c (execute_one_pass): Reset in_gimple_form to not
8563         confuse non-unit-at-a-time mode.
8564
8565 2007-01-29  Roger Sayle  <roger@eyesopen.com>
8566             Richard Guenther  <rguenther@suse.de>
8567
8568         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
8569         avoid undefined behaviour on overflow.  Use force_fit_type_double
8570         to construct the constant with the specified TREE_OVERFLOW.
8571
8572 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8573
8574         * config/dfp-bit.c: Add parameterized support for fp exceptions.
8575         * config/dfp-bit.h: Ditto.
8576
8577 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8578
8579         * c-decl.c (pop_scope): Replace warnings with call to
8580         warn_for_unused_label.
8581         * c-common.h (warn_for_unused_label): Declare.
8582         * c-common.c (warn_for_unused_label): Define.
8583
8584 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8585
8586         * tree-optimize.c (update_inlined_to_pointers): Delete unused
8587         function.
8588
8589 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
8590
8591         * Makefile.in (USER_H): Remove decfloat.h.
8592         * ginclude/decfloat.h: Delete, moving contents to ...
8593         * ginclude/float.h: Add support for decimal floating point,
8594         guarded by __STDC_WANT_DEC_FP__.
8595
8596 2007-01-29  Mike Stump  <mrs@apple.com>
8597
8598         * doc/gccint.texi (Top): Rename Loop Representation to Loop
8599         Analysis and Representation to resolve case insensitive conflict.
8600         * doc/loop.texi (Loop Analysis and Representation): Likewise.
8601
8602 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
8603
8604         * tree.h (struct tree_memory_tag): Add aliases member.
8605         (MTAG_ALIASES): New macro.
8606         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
8607         (add_may_alias): Remove pointer-set. Update for may_aliases being
8608         a bitmap.
8609         (mark_aliases_call_clobbered): Update for may_aliases being a
8610         bitmap.
8611         (compute_tag_properties): Ditto.
8612         (create_partition_for): Ditto.
8613         (compute_memory_partitions): Ditto.
8614         (dump_may_aliases_for): Ditto.
8615         (is_aliased_with): Ditto.
8616         (add_may_alias_for_new_tag): Ditto.
8617         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
8618         (compute_is_aliased): New function.
8619         (compute_may_aliases): Call compute_is_aliased).
8620         (init_alias_info): Initialize alias_bitmap_obstack.
8621         (union_alias_set_into): New function.
8622         (compute_flow_sensitive_aliasing): Use union_aliases_into.
8623         (have_common_aliases_p): Rewrite to take two bitmaps and use
8624         intersection.
8625         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
8626         Update for bitmaps.
8627         (finalize_ref_all_pointers): Update for add_may_alias changes.
8628         (new_type_alias): Ditto.
8629         * tree-flow-inline.h (may_aliases): Return a bitmap.
8630         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
8631         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
8632         may_aliases being a bitmap.
8633         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
8634         may_aliases now returns a bitmap.
8635         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
8636         being a bitmap.
8637         * tree-ssa-operands.c (add_virtual_operand): Update for
8638         may_aliases being a bitmap.
8639
8640 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
8641
8642         PR tree-optimization/30630
8643         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
8644         variable as changed.
8645
8646 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
8647
8648         PR c++/28266
8649         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
8650         expanded only once even if an error occurs.
8651
8652 2007-01-29  Ben Elliston  <bje@au.ibm.com>
8653
8654         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
8655         (__gcov_average_profiler): Likewise.
8656         (__gcov_ior_profiler): Likewise.
8657         (__gcov_merge_ior): Likewise.
8658
8659 2007-01-28  Jan Hubicka  <jh@suse.cz>
8660
8661         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
8662         * value-prof.c (stringop_block_profile): Likewise.
8663
8664 2007-01-28  Jan Hubicka  <jh@suse.cz>
8665
8666         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
8667         variant handling histograms; add wrapper.
8668         (clear_storage_via_libcall): Export.
8669         (emit_block_move_hints): Break out from ...; add histograms.
8670         (emit_block_move): ... this one.
8671         (clear_storage_hints): Break out from ...; add histograms.
8672         (clear_storage): ... this one.
8673         (set_storage_via_memset): Handle histogram.
8674         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
8675         (clear_storage_hints, clear_storage_via_libcall): Declare.
8676         (set_storage_via_setmem): Update prototype.
8677         * doc/md.texi (movmem, setmem): Document new arguments.
8678
8679         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
8680         new histograms.
8681         (stringop_block_profile): New global function.
8682         (tree_stringops_values_to_profile): Profile block size and alignment.
8683         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
8684         HIST_TYPE_IOR.
8685         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
8686         (stringop_block_profile): Declare.
8687         * builtins.c: Include value-prof.h.
8688         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
8689         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
8690         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
8691         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
8692         * profile.c (instrument_values): Add new counters.
8693         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
8694         calls.
8695         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
8696         (tree_init_edge_profiler): Build new profilers.
8697         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
8698         (pass_tree_profile): Add dump.
8699         (tree_profile_hooks): Update.
8700         * Makefile.in (LIBGCOV): Add new constants.
8701         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
8702         __gcov_ior_profiler): New.
8703         * i386.md (movmem/setmem expanders): Add new optional arguments.
8704
8705 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
8706
8707         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
8708
8709 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8710
8711         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
8712         (tree_unswitch_single_loop): Pass eni_size_weights to
8713         tree_num_loop_insns.
8714         * tree-ssa-loop-manip.c: Include tree-inline.h.
8715         (can_unroll_loop_p): Pass eni_size_weights to
8716         tree_num_loop_insns.
8717         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
8718         Pass eni_size_weights to estimate_num_insns.
8719         * tree.h (init_inline_once): Export.
8720         * toplev.c (backend_init): Call init_inline_once.
8721         * cgraphunit.c (cgraph_process_new_functions,
8722         cgraph_analyze_function): Pass eni_inlining_weights to
8723         estimate_num_insns.
8724         * ipa-inline.c (compute_inline_parameters): Ditto.
8725         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
8726         to estimate_num_insns.
8727         (try_unroll_loop_completely): Pass eni_size_weights to
8728         tree_num_loop_insns.
8729         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
8730         ot estimate_num_insns.
8731         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
8732         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
8733         * tree-inline.c (eni_inlining_weights, eni_size_weights,
8734         eni_time_weights): New variables.
8735         (init_inline_once): Initialize them.
8736         (struct eni_data): Mew.
8737         (estimate_num_insns_1, estimate_num_insns): Use weights.
8738         * tree-inline.h (struct eni_weights_d): New.
8739         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
8740         (estimate_num_insns): Declaration changed.
8741         * cfgloop.h (tree_num_loop_insns): Declaration changed.
8742         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
8743         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
8744
8745 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
8746
8747         * tree-data-ref.c (conflict_fn): Assert that the number of affine
8748         relations in the conflict function is valid.
8749
8750 2007-01-27  Ian Lance Taylor  <iant@google.com>
8751
8752         * common.opt: Add fstrict-overflow.
8753         * opts.c (decode_options): Set flag_strict_overflow if -O2.
8754         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
8755         (TYPE_OVERFLOW_UNDEFINED): Define.
8756         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
8757         Replace all uses.
8758         * tree.h (TYPE_TRAP_SIGNED): Don't define.
8759         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
8760         (fold_negate_expr): Likewise.
8761         (make_range): Likewise.
8762         (extract_muldiv_1): Likewise.
8763         (maybe_canonicalize_comparison): Likewise.
8764         (fold_comparison): Likewise.
8765         (fold_binary): Likewise.
8766         (tree_expr_nonnegative_p): Likewise.
8767         (tree_expr_nonzero_p): Likewise.
8768         * tree-vrp.c (compare_values): Likewise.
8769         (extract_range_from_binary_expr): Likewise.
8770         (extract_range_from_unary_expr): Likewise.
8771         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
8772         Likewise.
8773         (nowrap_type_p): Likewise.
8774         * tree-scalar-evolution.c (simple_iv): Likewise.
8775         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
8776         (build_range_check): Likewise.
8777         (extract_muldiv_1): Likewise.
8778         (fold_comparison): Likewise.
8779         * tree-vrp.c (vrp_int_const_binop): Likewise.
8780         (extract_range_from_unary_expr): Likewise.
8781         * convert.c (convert_to_integer): Likewise.
8782         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
8783         (fold_comparison): Likewise.
8784         (fold_binary): Likewise.
8785         * optabs.c (optab_for_tree_code): Likewise.
8786         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
8787         * simplify-rtx.c (simplify_const_relational_operation): Check
8788         flag_strict_overflow and flag_trapv.
8789         (simplify_const_relational_operation): Likewise.
8790         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
8791         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
8792         -fstrict-overflow.
8793
8794 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8795
8796         * tree.c (tree_fold_gcd): Delete.
8797         * tree.h (tree_fold_gcd): Remove prototype.
8798         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
8799         test whether one constant integer is a multiple of another.  Instead
8800         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
8801         * fold-const.c (multiple_of_p):  We've determined both TOP and
8802         BOTTOM are integer constants so we can call int_const_binop directly
8803         instead of the more generic const_binop.
8804
8805 2007-01-27  Roger Sayle  <roger@eyesopen.com>
8806
8807         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
8808         1*X check that the constant hasn't overflowed, to preserve the
8809         TREE_OVERFLOW bit.
8810         (round_up): Provide an efficient implementation when rouding-up an
8811         INTEGER_CST to a power-of-two.
8812
8813 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8814
8815         * doc/sourcebuild.texi: Add comma for clarity.
8816         * doc/extend.texi: Fix some typos.
8817         * doc/passes.texi: Likewise.
8818         * doc/cppinternals.texi: Likewise.
8819         * doc/c-tree.texi: Likewise.
8820         * doc/tree-ssa.texi: Likewise.
8821         * doc/install.texi: Likewise.
8822
8823 2007-01-27  Jan Hubicka  <jh@suse.cz>
8824
8825         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
8826         (pass_sra): Do not require alias information.
8827         * passes.c (init_optimization_passes): Add SRA
8828
8829 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
8830
8831         * tracer.c (rest_of_handle_tracer): We already cleaned
8832         up the CFG in tracer() so don't do it here again.
8833         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
8834         cleanup_cfg here, either.  And don't call renumber_insns.
8835
8836         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
8837         and BB_HEAD are in the insn stream here.  Instead make sure
8838         that BB_INSN is valid on all insns.  Also, do check here that
8839         there are no pending branch predictions...
8840         (rtl_verify_flow_info): ...instead of doing it here.  Checks
8841         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
8842         here.
8843
8844 2007-01-26  Roger Sayle  <roger@eyesopen.com>
8845
8846         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
8847         function to simplify/factorize operand order canonicalization.
8848         (ix86_fixup_binary_operands): Reorganize using the above function.
8849         (ix86_binary_operator_ok): Likewise.
8850
8851 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
8852
8853         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
8854         file scope from optimize_attrs.
8855         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
8856         up search.
8857         (optimize_attrs): Clear insn_code_values after freeing it.
8858
8859 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8860
8861         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
8862         a parts.base assignment.
8863
8864 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
8865
8866         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
8867         (compute_subscript_distance, initialize_data_dependence_relation,
8868         finalize_ddr_dependent, analyze_ziv_subscript,
8869         analyze_siv_subscript_cst_affine,
8870         compute_overlap_steps_for_affine_univar,
8871         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
8872         analyze_siv_subscript, analyze_miv_subscript,
8873         analyze_overlapping_iterations, subscript_dependence_tester_1,
8874         compute_self_dependence, free_dependence_relation): Work
8875         with affine_fn instead of chrecs.
8876         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
8877         common_affine_function, affine_function_base,
8878         affine_function_constant_p, affine_fn_op, affine_fn_plus,
8879         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
8880         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
8881         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
8882         (all_chrecs_equal_p): Removed.
8883         * tree-data-ref.h (affine_fn, conflict_function): New types.
8884         (struct subscript): Change type of conflicting_iterations_in_a
8885         and conflicting_iterations_in_b.
8886
8887 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
8888
8889         PR other/30182
8890         * config/pa/pa.h (TARGET_HPUX_11): New.
8891         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
8892         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
8893
8894 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
8895         Richard Guenther  <rguenther@suse.de>
8896
8897         * tree-ssa-structalias.c (solve_graph): Handle case
8898         we merged the variable to another.
8899
8900 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8901
8902         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
8903         functions.
8904
8905         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
8906         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
8907
8908 2007-01-25  DJ Delorie  <dj@redhat.com>
8909
8910         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
8911         allow changes to modes which don't fit in those registers.
8912
8913         * reload1.c (choose_reload_regs): Check for invalid subregs before
8914         computing their locations, not after.
8915
8916 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
8917
8918         PR 25127
8919         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
8920         save Altivec registers in an eh_return function.
8921         (compute_vrsave_mask): Likewise.
8922         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
8923         for saving Altivec registers.
8924         (rs6000_emit_prologue): Don't allocate stack twice in
8925         eh_return function.  Correct expected value of altivec_save_offset
8926         when using save_world.  Describe save of R0 to stack when using
8927         save_world.  Describe stack pointer adjustment when using
8928         save_world.  Remove duplicated eh_return parameter register saving.
8929         Update sp_offset variable after save_world.
8930         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
8931         darwin-world.asm.
8932         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
8933         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
8934         implies Altivec.
8935
8936 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8937
8938         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
8939
8940 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
8941
8942         PR other/30182
8943         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
8944         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
8945
8946 2007-01-25  Richard Guenther  <rguenther@suse.de>
8947
8948         * doc/invoke.texi (-Wcoverage-mismatch): Document.
8949         * common.opt (-Wcoverage-mismatch): New warning option.
8950         * coverage.c (get_coverage_counts): Ignore coverage mismatch
8951         if -Wcoverage-mismatch is given.
8952
8953 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
8954
8955         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
8956         (ipcp_driver): Change to static definition.
8957         Add dumping of the ifunctions.
8958         (constant_val_insert): Remove unused parameter. Support for SSA.
8959         (ipcp_propagate_const): Support for SSA.
8960         (ipcp_profile_bb_print): Print only analyzed nodes.
8961         (ipcp_replace_map_create): Remove support for Fortran constant
8962         for now.
8963         * ipa-prop.c (ipa_method_modify_stmt,
8964         ipa_callsite_compute_param): Support for SSA.
8965         * ipa-prop.h (ipcp_driver): Remove declaration.
8966         (IS_VALID_TREE_MAP_INDEX): Add define.
8967
8968 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
8969
8970         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
8971
8972 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8973
8974         PR middle-end/30447
8975         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
8976         constant argument to cabs and do it without checking for
8977         -funsafe-math-optimizations.
8978
8979 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
8980
8981         * c-common.h (RID_FIRST_CXX0X): New.
8982         (RID_LAST_CXX0X): New.
8983         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
8984         by -Wall.
8985         * c.opt (Wc++0x-compat): New.
8986         * doc/invoke.texi (-Wc++0x-compat): Document.
8987
8988 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8989
8990         * builtins.c (fold_builtin_carg): New.
8991         (fold_builtin_1): Use it.
8992
8993 2007-01-24  Jan Hubicka  <jh@suse.cz>
8994
8995         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
8996
8997         * ipa-inline.c (initial_insns, max_insns): Delete.
8998         (compute_max_insns): New function.
8999         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
9000         of insns as base for code growth.
9001         (cgraph_decide_inlining): Make initial_insns local; do not compute
9002         max_insns.
9003         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
9004         * doc/invoke.texi (inline-unit-growth): Update docs.
9005
9006 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
9007
9008         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
9009         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
9010         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
9011         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
9012         for CPUs that have PTA_CX16 set.
9013
9014         PR middle-end/27416
9015         * gimplify.c (omp_check_private): New function.
9016         (gimplify_scan_omp_clauses): Use it for
9017         firstprivate/lastprivate/reduction.
9018
9019         PR middle-end/30494
9020         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
9021         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
9022
9023         PR middle-end/30421
9024         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
9025         If lower_lastprivate_clauses emits some statements, append them
9026         to dlist rather than body_p and to body_p append an initializer.
9027         (lower_omp_for): Adjust caller.
9028
9029 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
9030
9031         * target.h (globalize_decl_name): New.
9032         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9033         * output.h (default_globalize_decl_name): New.
9034         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
9035         globalize_label.
9036         (globalize_decl): Ditto.
9037         (default_globalize_decl_name): New.
9038         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
9039         (ia64_handle_version_id_attribute): New.
9040         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
9041         (ia64_asm_output_external): Use globalize_decl_name instead
9042         of globalize_label.
9043         * doc/extend.texi (version_id): New pragma.
9044         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
9045
9046 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9047
9048         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
9049         _uleb128_t and _Unwind_SWord with _sleb128_t.
9050         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
9051         uw_frame_state_for, uw_update_context_1): Likewise.
9052         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
9053         * unwind-pe.h (read_uleb128, read_sleb128,
9054         read_encoded_value_with_base): Likewise.
9055         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
9056
9057 2007-01-24  Richard Guenther  <rguenther@suse.de>
9058
9059         * builtins.c (expand_builtin_cexpi): Get the fndecl
9060         for cexp in the correct way.
9061
9062 2007-01-24  Jan Hubicka  <jh@suse.cz>
9063
9064         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
9065
9066 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9067
9068         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
9069         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
9070         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
9071         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
9072         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
9073         __SIZEOF_PTRDIFF_T__.
9074         * doc/cpp.texi: Documentation for the new builtin macros added.
9075
9076 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
9077
9078         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
9079         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
9080         instead of operands[2] to avoid access past the end of array.
9081
9082 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
9083
9084         * reload1.c (emit_reload_insns): Pass the reload register
9085         for a non-spill output reload through forget_old_reloads_1.
9086
9087 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
9088
9089         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9090         _SOFT_DOUBLE if doubles use software floating-point.
9091         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
9092         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9093         * config/rs6000/darwin-ldouble.c: Also compile functions for
9094         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
9095         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
9096         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
9097         commented-out long double override.
9098         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
9099         * config/rs6000/eabispe.h: Likewise.
9100         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
9101         long double for non-SPE.
9102         (rs6000_handle_option): Likewise.
9103         (invalid_e500_subreg): Disallow more subregs involding DImode,
9104         DFmode, TImode or TFmode.
9105         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
9106         E500 double.
9107         (legitimate_lo_sum_address_p): Also check for TFmode for E500
9108         double.
9109         (rs6000_legitimize_address): Also handle TFmode for E500 double.
9110         (rs6000_legitimize_reload_address): Also handle TFmode for E500
9111         double.
9112         (rs6000_legitimate_address): Also check for TFmode for E500
9113         double.
9114         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
9115         (spe_build_register_parallel): Handle TFmode and TCmode.
9116         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
9117         double.
9118         (function_arg): Handle TFmode and TCmode for E500 double.
9119         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
9120         in general.
9121         (print_operand): Handle TFmode and TImode for %y.
9122         (rs6000_generate_compare): Handle TFmode comparisons for E500
9123         double.
9124         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
9125         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
9126         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
9127         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
9128         TFmode for E500 double.
9129         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
9130         (floatsidf2): Enable for E500 double.
9131         (movtf_softfloat): Use rs6000_nonimmediate_operand.
9132         (extenddftf2): Change to extenddftf2_fprs.
9133         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
9134         depending on TARGET_E500_DOUBLE.
9135         (extendsftf2): Enable for E500 double.
9136         (trunctfdf2): Enable for E500 double.
9137         (trunctfsf2): Change to trunctfsf2_fprs.
9138         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
9139         depending on TARGET_E500_DOUBLE.
9140         (floatsitf2): Enable for E500 double.
9141         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
9142         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
9143         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
9144         (negtf2): Change to negtf2_internal.
9145         (negtf2): New expander.
9146         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
9147         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
9148         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
9149         (movdi_internal32): Use rs6000_nonimmediate_operand.
9150         (unnamed splitter): Likewise.
9151         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
9152         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
9153         (SPE64TF, DITI): New mode macros.
9154         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
9155         modes.
9156         (frob_tf_ti): New.
9157         (frob_<mode>_di_2): New.
9158         (frob_tf_di_8_2): New.
9159         (frob_di_df): Change to frob_di_<mode>; allow more modes.
9160         (frob_ti_tf): New.
9161         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
9162         more modes.
9163         (frob_ti_<mode>_8_2): New.
9164         (frob_ti_tf_2): New.
9165         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
9166         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
9167         TFmode.
9168         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
9169         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
9170         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
9171         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
9172         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
9173         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
9174         tsttflt_gp): New.
9175
9176 2007-01-23  Ian Lance Taylor  <iant@google.com>
9177
9178         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
9179         insn-*.o first.
9180         (OBJS-archive): Reformat, alphabetize.
9181         (OBJS): Change out_object_file to OBJS-md.
9182
9183 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
9184
9185         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
9186         JUMP_P and CALL_P predicates where applicable.
9187         * config/i386/i386.c: Ditto.
9188         * config/i386/i386.md: Ditto.
9189         * config/i386/mmx.md: Ditto.
9190         * config/i386/predicates.md: Ditto.
9191
9192 2007-01-22  Andreas Schwab  <schwab@suse.de>
9193
9194         * config/m68k/m68k.h: Fix comment.
9195
9196 2007-01-22  Jan Hubicka  <jh@suse.cz>
9197
9198         * passes.c (init_optimization_passes): Do not rerun
9199         pass_early_warn_uninitialized.
9200
9201 2007-01-22  Richard Guenther  <rguenther@suse.de>
9202
9203         PR tree-optimization/30038
9204         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
9205         function.
9206         (execute_cse_sincos_1): Likewise.
9207         (execute_cse_sincos): Likewise.
9208         (gate_cse_sincos): Likewise.
9209         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
9210         the cexpi() canonicalization of sincos().
9211         * tree-pass.h (pass_cse_sincos): Declare.
9212         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
9213
9214 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9215
9216         PR rtl-optimization/29329
9217         * combine.c (replaced_rhs_insn): Rename to i2mod.
9218         (replaced_rhs_value): Rename to i2mod_new_rhs.
9219         (i2mod_old_rhs): New global variable.
9220         (combine_instructions): Adjust for above change.  Save a copy of
9221         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
9222         note are substituted in the second instruction.
9223         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
9224         ditch the note if it pertains to the second eliminated register
9225         and this register is mentioned in i2mod_old_rhs.
9226
9227         Revert:
9228         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
9229
9230         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
9231         the insn to which the note was originally attached.
9232
9233 2007-01-21  Jan Hubicka  <jh@suse.cz>
9234
9235         * ipa-inline.c (inlining_mode): Comment, move up.
9236         (cgraph_decide_inlining_incrementally): Do not perform inlining
9237         itself; fix handling of flattening of self recursive functions.
9238         (cgraph_find_cycles): Remove.
9239         (cgraph_flatten_node): Remove.
9240         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
9241         (try_inline): New function.
9242         (cgraph_early_inlining): Update call of
9243         cgraph_decide_inlining_incrementally.  Apply inlining here.
9244         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
9245
9246 2007-01-21  Dirk Mueller  <dmueller@suse.de>
9247
9248         PR bootstrap/30511
9249         * tree-vrp.c (check_array_bounds): do not warn
9250         about ADDR_EXPR's of ARRAY_REF's which are immediately
9251         used in binary expressions.
9252
9253 2007-01-21  Ira Rosen  <irar@il.ibm.com>
9254
9255         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
9256         read_write_dep and macros for its access.
9257         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
9258         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
9259         argument, call vect_check_interleaving for every independent pair of
9260         data-refs. Mark loads that access the same memory location as a store
9261         in the loop.
9262         (vect_check_dependences): Remove.
9263         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
9264         call, fix the call to vect_analyze_data_ref_dependence.
9265         (vect_analyze_data_ref_access): For statements that access the same
9266         data-ref, check that they are not stores; for loads, check that there
9267         is no store that access the same location.
9268
9269 2007-01-20  Roger Sayle  <roger@eyesopen.com>
9270             Joseph Myers  <joseph@codesourcery.com>
9271
9272         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
9273         (-fdump-rtl-stack): Likewise.
9274         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
9275         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
9276         (-mpt-fixed): Use @minus{} for minus sign.
9277         (Using Precompiled Headers): Fix under/overfull hbox.
9278
9279 2007-01-20  Jan Hubicka  <jh@suse.cz>
9280
9281         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
9282         place within annotation.
9283
9284 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9285
9286         * pa.c (output_move_double): Change array size of xoperands to 4.
9287
9288 2007-01-20  Jan Hubicka  <jh@suse.cz>
9289
9290         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
9291         as temporary.
9292
9293 2007-01-19  Ian Lance Taylor  <iant@google.com>
9294
9295         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
9296         constant to unsigned HOST_WIDE_INT before negating.
9297
9298 2007-01-19  Ian Lance Taylor  <iant@google.com>
9299
9300         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
9301         to unsigned.
9302         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
9303         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9304         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
9305         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
9306         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
9307         (realloc_vdef, realloc_vuse): Change second parameter to
9308         unsigned.
9309         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
9310         fields to unsigned.
9311         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
9312         unsigned. Change x and lim locals to unsigned.
9313         (realloc_vdef, realloc_vuse): Change num_elem parameter to
9314         unsigned.
9315         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
9316         (copy_virtual_operands): Change i and n locals to unsigned.
9317
9318 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9319
9320         PR middle-end/29335
9321         * builtins.c (fold_builtin_1): Handle builtin fdim.
9322
9323 2007-01-20  Jan Hubicka  <jh@suse.cz>
9324
9325         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
9326         * tree-ssa-structalias.c (compute_points_to_sets): Do call
9327         init_alias_heapvars.
9328         (init_alias_heapvars): Initialize only when not already initialized.
9329         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
9330
9331 2007-01-19  Roger Sayle  <roger@eyesopen.com>
9332
9333         * common.opt (fsigned-zeros): New command line option.
9334         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
9335         of flag_unsafe_math_optimizations.
9336         * opts.c (set_fast_math_flags): The -ffast-math command line option
9337         implies -fno-signed-zeros.
9338         (fast_math_flags_set_p): Likewise.
9339
9340         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
9341         the documentation of -ffast-math appropriately.  Wrap long lines.
9342
9343 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
9344
9345         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
9346         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
9347
9348 2007-01-19  Tomas Bily  <tbily@suse.cz>
9349
9350         * cgraphunit.c (cgraph_finalize_function): Updating of pid
9351         * tree-profile.c:
9352         (tree_init_ic_make_global_vars): New function
9353         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
9354         (tree_gen_ic_profiler): New function
9355         (tree_gen_ic_func_profiler): New function
9356         (tree_profiling): Added calling of tree_gen_ic_func_profiler
9357         (tree_profile_hooks): Added hook for indirec/virtual calls
9358         * value-prof.c (tree_find_values_to_profile): New case for
9359         indirect calls
9360         (tree_values_to_profile): Call for determining indirect/virtual
9361         counters
9362         (tree_indirect_call_to_profile): New function
9363         (tree_ic_transform): New function
9364         (tree_ic): New function
9365         (find_func_by_pid): New function
9366         (init_pid_map): New function
9367         (tree_value_profile_transformations): Added check for
9368         indirect/virtual call transformation
9369         * value-prof.h (enum hist_type): New counter type for
9370         indirect/virtual calls
9371         (profile_hooks): Added new hook for profiling indirect/virtual
9372         calls
9373         * profile.c (instrument_values): New case for indirect/virtual
9374         call added
9375         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
9376         (GCOV_COUNTER_V_INDIR): New counter type
9377         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
9378         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
9379         call added
9380         * cgraph.c: Definition of cgraph_max_pid
9381         (cgraph_create_node): Default init of pid attribute
9382         * cgraph.h: Declaration of cgraph_max_pid
9383         (struct cgraph_node): Added pid attribute
9384         * libgcov.c (__gcov_indirect_call_profiler): New function
9385         (__gcov_one_value_profiler_body): New function
9386         (__gcov_one_value_profiler): Body was moved to
9387         __gcov_one_value_profiler_body and calls it
9388
9389 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
9390
9391         * doc/gty.texi (Options): Document the mark_hook option to GTY.
9392         * gengtype.c (write_types_data, write_func_for_structure,
9393         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
9394         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
9395         (walk_type, write_func_for_structure): Generate the mark_hook if
9396         needed.
9397
9398 2007-01-19  Jan Hubicka  <jh@suse.cz>
9399
9400         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
9401         'early' argument take inlining mode argument specifying whether to
9402         inline for size/speeed or all functions; add support for flattening;
9403         improve dumpting.
9404         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
9405
9406 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9407
9408         PR c++/17947
9409         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
9410         the name of the declared identifier.
9411
9412 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9413
9414         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
9415         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
9416         duplicate evaluation.
9417
9418 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9419
9420         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
9421         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
9422         to XFMode, use acosxf2 and truncate result to requested mode.
9423         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9424         (asin<mode>2): Similarly, with asin expanders.
9425         (*fscalexf4_i387): Rename from *fscalexf4.
9426         (expNcorexf3): New expander.
9427         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
9428         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
9429         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
9430         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
9431         patterns for SSE math.
9432         (exp10<mode>2): Similarly, with exp10 expanders.
9433         (exp2<mode>2): Similarly, with exp2 expanders.
9434         (expm1<mode>2): Similarly, with expm1 expanders.
9435         (ldexp<mode>3): Similarly, with ldexp expanders.
9436         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
9437         Use gen_truncxf<mode>2_i387_noop to truncate result.
9438
9439 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9440
9441         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
9442         for ColdFire targets.
9443
9444 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
9445             Richard Sandiford  <richard@codesourcery.com>
9446
9447         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
9448         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
9449         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
9450         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
9451         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9452         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
9453
9454 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9455
9456         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
9457         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
9458         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
9459         (*adddi_dilshr32_cf): New pattern.
9460         (adddi3, subdi3): Remove first alternatives.
9461
9462 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9463
9464         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
9465         implemented using move.l, do not use its cc result for floating-point
9466         comparisons.
9467
9468 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9469
9470         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
9471         from accepting 's' constraints if flag_pic.
9472
9473 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9474
9475         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
9476         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
9477         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
9478         condition from TARGET_68881 to TARGET_HARD_FLOAT.
9479
9480 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
9481
9482         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
9483         ColdFire alternatives.
9484         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
9485         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
9486         architectures that support ff1 instruction.
9487
9488 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9489             Julian Brown  <julian@codesourcery.com>
9490
9491         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
9492         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
9493         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
9494         Add commentary.
9495
9496 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
9497
9498         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
9499         and return a bool.
9500         (output_move_const_into_data_reg, output_move_simode_const): Delete.
9501         * config/m68k/m68k.c (const_method, const_int_cost): Take a
9502         HOST_WIDE_INT instead of an rtx.
9503         (m68k_rtx_costs): Update call accordingly.
9504         (output_move_const_into_data_reg): Likewise.  Fix formatting.
9505         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
9506         Return a bool.
9507         (output_move_simode_const): Update calls after above changes.
9508         Rework to use automatic variables and predicates like MEM_P.
9509         * config/m68k/m68k.md (pushexthisi_const): Update call to
9510         valid_mov3q_const.
9511
9512 2007-01-19  Dirk Mueller  <dmueller@suse.de>
9513
9514         * tree-ssa-alias.c (perform_var_substitution): Fix typo
9515         in dump_flags test.
9516
9517 2007-01-19  Richard Guenther  <rguenther@suse.de>
9518
9519         * builtins.c (expand_builtin_cexpi): Fall back to expanding
9520         via cexp in case sincos is not available.
9521
9522 2007-01-19  Richard Guenther  <rguenther@suse.de>
9523
9524         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
9525         * defaults.h (TARGET_HAS_SINCOS): Default to off.
9526         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
9527         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
9528         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
9529         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
9530         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
9531         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
9532
9533 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
9534
9535         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
9536         New insn patterns.
9537         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
9538         (atan2xf3): Directly generate RTL pattern.
9539         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
9540         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9541         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9542         disable patterns for SSE math.
9543         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
9544         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
9545         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9546         disable patterns for SSE math.
9547
9548 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
9549
9550         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
9551
9552 2007-01-18  Roger Sayle  <roger@eyesopen.com>
9553
9554         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
9555         VIEW_CONVERT_EXPR to the same type as it's operand.
9556
9557 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
9558
9559         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
9560         configured for long double 128.
9561
9562 2007-01-18  Mike Stump  <mrs@apple.com>
9563
9564         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
9565         error.
9566
9567 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
9568
9569         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
9570         type correct.
9571
9572 2007-01-18  Jan Hubicka  <jh@suse.cz>
9573
9574         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
9575         greater than NUM_VOP_FREE_BUCKETS.
9576
9577 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
9578
9579         * tree-ssa-structalias.c: Update comments.
9580         (ptabitmap_obstack): Removed.
9581         (pta_obstack): New.
9582         (oldpta_obstack): Ditto.
9583         (stats): Add a few members.
9584         (struct variable_info): Remove node, complex, address_taken, and
9585         indirect_target members. Add oldsolution member.
9586         (new_var_info): Do not initialize removed members.
9587         (constraint_expr_type): Remove INCLUDES.
9588         (constraint_graph): Add size, implicit_preds, rep,
9589         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
9590         (FIRST_REF_NODE): New macro.
9591         (LAST_REF_NODE): Ditto.
9592         (FIRST_ADDR_NODE): Ditto.
9593         (find): New function.
9594         (unite): Ditto.
9595         (dump_constraint): Do not handle INCLUDES.
9596         (insert_into_complex): Do not insert duplicate constraints.
9597         (condense_varmap_nodes): Renamed and rewritten into ...
9598         (merge_node_constraints): This. Also fix bug in handling of
9599         offseted copy constraints.
9600         (clear_edges_for_node): No longer need to deal with preds at all,
9601         or removing associated preds/succs.
9602         (merge_graph_nodes): Deal with indirect_cycles.
9603         Don't deal with predecessors.
9604         (add_implicit_graph_edge): New function.
9605         (add_pred_graph_edge): Ditto.
9606         (add_graph_edge): Don't deal with predecessors.
9607         (build_constraint_graph): Removed.
9608         (build_pred_graph): New function.
9609         (build_succ_graph): Ditto.
9610         (struct scc_info): Removed in_component. Added roots, dfs, and
9611         node_mapping. Remove visited_index, unification_queue.
9612         (scc_visit): Deal with union-find we do now.
9613         Deal with cycles with REF nodes.
9614         (collapse_nodes): Renamed and rewritten to ...
9615         (unify_nodes): This.
9616         (process_unification_queue): Removed.
9617         (topo_visit): Cleanup
9618         (do_da_constraint): Use find.
9619         (do_sd_constraint): Ditto.
9620         (do_ds_constraint): Ditto.
9621         (do_complex_constraint): Ditto.
9622         (init_scc_info): Update for removed and added members.
9623         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
9624         (find_indirect_cycles): This.
9625         (equivalence_class): New variable.
9626         (label_visit): New function.
9627         (perform_variable_substitution): Rewritten.
9628         (free_var_substitution_info): New function.
9629         (find_equivalent_node): Ditto.
9630         (move_complex_constraints): Ditto.
9631         (eliminate_indirect_cycles): Ditto.
9632         (solve_graph): Only propagate changed bits.
9633         Use indirect cycle elimination.
9634         Use find.
9635         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
9636         (tree_id_eq): Renamed to ...
9637         (tree_vi_eq): This. Update for member change
9638         (insert_id_for_tree): Renamed and rewritten to ...
9639         (insert_vi_for_tree): This.
9640         (lookup_id_for_tree): Renamed and rewritten to ...
9641         (lookup_vi_for_tree): This.
9642         (get_id_for_tree): Renamed and rewritten to ...
9643         (get_vi_for_tree): Ditto.
9644         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
9645         (process_constraint): Don't handle INCLUDES.
9646         Remove special ADDRESSOF case.
9647         (find_func_aliases): Rewrite to use vi functions instead of id
9648         ones.
9649         (create_function_info_for): Ditto.
9650         (create_variable_info_for): Ditto.
9651         (intra_create_variable_infos): Ditto.
9652         (merge_smts_into): Ditto.
9653         (find_what_p_points_to): Ditto.
9654         (init_base_vars): Ditto.
9655         (init_alias_vars): Ditto.
9656         (remove_preds_and_fake_succs): New function.
9657         (dump_sa_points_to_info): Dump new stats.
9658         (dump_solution_for_var): Use find.
9659         (set_used_smts): Fix formatting.
9660         (compute_points_to_sets): Updated for new functions.
9661         (ipa_pta_execute): Ditto.
9662
9663 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9664             Richard Sandiford  <richard@codesourcery.com>
9665
9666         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
9667         parallels.
9668         * calls.c (expand_call): If the return value is a PARALLEL,
9669         extract its first member.
9670         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
9671         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9672         use FUNCTION_EXTRA_EPILOGUE.
9673         (m68k_function_value): Return a PARALLEL if the return value
9674         is of a pointer type.
9675         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
9676         (FUNCTION_EXTRA_EPILOGUE): Remove.
9677         * config/m68k/m68k.md (D0_REG): New constant.
9678
9679 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9680
9681         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
9682         output a NOP for empty epilogues.
9683
9684 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9685
9686         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
9687         before function.  Extend register save check to include all
9688         registers, not just integer ones.
9689
9690 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9691
9692         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
9693         (m68k_use_return_insn): ...this.
9694         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
9695         * config/m68k/m68k.c (use_return_insn): Rename to...
9696         (m68k_use_return_insn): ...this.
9697         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
9698         of USE_RETURN_INSN.
9699
9700 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9701
9702         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
9703         nearest even, fix denormal rounding overflow.
9704
9705 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9706
9707         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
9708         f%$smove and f%$move.
9709         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
9710         (extendsfdf2_cf): Use fdmove instead of f%&move.
9711         (truncdfsf2_cf): Use fsmove instead of f%$smove.
9712         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
9713
9714 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9715
9716         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
9717         GPR<-GPR moves.
9718
9719 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9720
9721         * real.h (real_format): Add a canonical_nan_lsbs_set field.
9722         (coldfire_single_format): Declare.
9723         (coldfire_double_format): Likewise.
9724         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
9725         of qnan_msb_set to determine the lower bits of a canonical
9726         NaN significand.
9727         (encode_ieee_double): Likewise.
9728         (encode_ieee_quad): Likewise.
9729         (ieee_single_format): Initialize canonical_nan_lsbs_set.
9730         (mips_single_format): Likewise.
9731         (ieee_double_format): Likewise.
9732         (mips_double_format): Likewise.
9733         (ieee_extended_motorola_format): Likewise.
9734         (ieee_extended_intel_96_format): Likewise.
9735         (ieee_extended_intel_128_format): Likewise.
9736         (ieee_extended_intel_96_round_53_format): Likewise.
9737         (ibm_extended_format): Likewise.
9738         (mips_extended_format): Likewise.
9739         (ieee_quad_format): Likewise.
9740         (mips_quad_format): Likewise.
9741         (vax_f_format): Likewise.
9742         (vax_d_format): Likewise.
9743         (vax_g_format): Likewise.
9744         (i370_single_format): Likewise.
9745         (i370_double_format): Likewise.
9746         (decimal_single_format): Likewise.
9747         (decimal_double_format): Likewise.
9748         (decimal_quad_format): Likewise.
9749         (c4x_single_format): Likewise.
9750         (c4x_extended_format): Likewise.
9751         (real_internal_format): Likewise.
9752         (coldfire_single_format): New real_format.
9753         (coldfire_double_format): Likewise.
9754         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
9755         canonical_nan_lsbs_set.
9756         (pdp11_d_format): Likewise.
9757         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
9758         if TARGET_COLDFIRE_CPU.
9759
9760 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9761
9762         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
9763         (output_call, m68k_legitimize_call_address): Declare.
9764         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
9765         parenthesees.  Add support for a 'W' constraint.
9766         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
9767         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
9768         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
9769         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
9770         variables.
9771         (override_options): Initialize them.  Do not set flag_no_function_cse
9772         for TARGET_ID_SHARED_LIBRARY.
9773         (m68k_output_pic_call): Delete.
9774         (m68k_legitimize_call_address): New function.
9775         (print_operand): Remove the %o prefix.  Handle the %p prefix.
9776         (output_call): New function.
9777         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
9778         target address from the GOT if symbolic jumps are not allowed.
9779         * config/m68k/m68k.md (call, general_operand): Do not set
9780         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
9781         Merge separate flag_pic and !flag_pic define_insns into...
9782         (*call, *call_value): ...these new patterns.  Match the address
9783         rather than the containing MEM and require it to be a call_operand.
9784         Use output_call to generate the asm template.
9785         * config/m68k/predicates.md (const_call_operand): New predicate.
9786         (call_operand): Likewise.
9787
9788 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9789
9790         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
9791         (STACK_GROWS_DOWNWARD): Define to 1.
9792         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
9793         comments, emphasizing that these values are only defaults.
9794         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
9795         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
9796
9797 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9798
9799         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
9800
9801 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
9802             Richard Sandiford  <richard@codesourcery.com>
9803
9804         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
9805         (FP_REGNO_P): New macros.
9806         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
9807         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
9808         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
9809         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
9810
9811 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9812
9813         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9814         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
9815         to $tmake_file.
9816         * config/m68k/t-floatlib: New file, extracting common code from...
9817         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
9818         * config/m68k/t-uclinux: Here.
9819         * config/m68k/fpgnulib.c: Do not compile extendeed precision
9820         routines on ColdFire targets.
9821
9822 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
9823
9824         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9825         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
9826         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
9827         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
9828         explicitly set MOTOROLA to 1.
9829         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
9830
9831 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9832             Nathan Sidwell  <nathan@codesourcery.com>
9833
9834         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
9835         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
9836         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
9837         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
9838         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
9839         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
9840         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
9841         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
9842         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
9843         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9844         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
9845         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
9846         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
9847         (DBX_REGISTER_NUMBER): Delete.
9848         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
9849         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
9850         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
9851
9852 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9853
9854         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
9855         * config/flat.h: New file.
9856         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
9857         OBJECT_FORMAT_FLAT.
9858         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
9859         indirect references for -msep-data or -mid-shared-library.
9860         Do not use PC-relative code addresses either.
9861         * config/m68k/m68k.c (override_options): Restrict -fPIC error
9862         to -mpcrel.
9863         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
9864         for shared libraries and crt1.o for executables.  Use crti.o and
9865         crtbegin.o.
9866         (ENDFILE_SPEC): Use crtend.o and crtn.o.
9867         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
9868         Do not add -elf2flt or -shared-lib-id options here.
9869         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
9870         Pass -shared-lib-id if -mid-shared-library, taking the library
9871         identifier from -mshared-library-id if given, otherwise
9872         defaulting to 0.
9873         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
9874         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
9875         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
9876         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
9877         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
9878         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
9879         and crtend.o.
9880         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
9881         jump sequence for ISA A and ISA A+.
9882         (PICJUMP): Likewise.
9883
9884 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9885
9886         * config.gcc (m68k-*-uclinux*): Base the port on the common
9887         and m68k GNU/Linux files rather than on the generic ELF ones.
9888         * config/m68k/uclinux.h (TARGET_VERSION): Override.
9889         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
9890
9891 2007-01-18  Julian Brown  <julian@codesourcery.com>
9892             Richard Sandiford  <richard@codesourcery.com>
9893
9894         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
9895         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9896         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
9897         before redefining.
9898         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
9899         80 unconditionally.
9900         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
9901
9902 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
9903
9904         * doc/install.texi: Document m68k-uclinuxoldabi.
9905         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
9906         * config/m68k/uclinux-oldabi.h: New file, copied from
9907         config/m68k/uclinux.h.
9908
9909 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
9910
9911         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
9912         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
9913         (m32r_compute_frame_size): Use unsigned for regno.
9914         (m32r_reload_lr): Use gen_frame_mem.
9915         (pop): New.
9916         (m32r_output_function_epilogue): Don't output the function epilogue
9917         textually here.
9918         (m32r_expand_epilogue): New.
9919         (direct_return): Return false if the function has the interrupt
9920         attribute.
9921         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
9922         * config/m32r/m32r.md (epilogue): New expander.
9923         (return_lr, return_rte): New insns.
9924         (return): Make it expander.
9925         (return_normal): New expander.
9926
9927 2007-01-18  Josh Conner  <jconner@apple.com>
9928
9929         PR target/30485
9930         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
9931         support for UNLE, UNLT, UNGE, and UNGT.
9932
9933 2007-01-18  Jan Hubicka  <jh@suse.cz>
9934
9935         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
9936         * tree-tailcall (add_virtual_phis): Likewise.
9937         (optimize_tail_call): Return TODOs.
9938         (execute_tail_calls): Return TODOs.
9939         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
9940         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
9941         changed.
9942         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9943         Cleanup cfg using TODO.
9944         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
9945         * passes.c (execute_function_todo): When cleanup did something, remove
9946         unused locals.
9947         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
9948         (make_edges): Don't cleanup_cfg.
9949
9950 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
9951
9952         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
9953         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
9954         operate on the top of stack.
9955         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
9956         register handling of instructions that output to the second
9957         stack slot.
9958         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
9959         (move_for_stack_reg): Special-case check for dead destination
9960         stack slot for constant load of 1.0 inside UNSPEC_TAN.
9961
9962         * config/i386/i386.md (UNSPEC_TAN): New constant.
9963         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
9964         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
9965         to correctly model move of constant 1.0 to top stack slot.
9966         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
9967         (unnamed peephole2 pattern): Remove corresponding peephole2
9968         pattern that optimizes tan insn and loading of constant 1.0.
9969         (tanxf2): Use fptanxf4_i387.
9970         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
9971         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
9972         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
9973         disable patterns for SSE math.
9974         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
9975         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
9976
9977 2007-01-18  Dirk Mueller  <dmueller@suse.de>
9978             Richard Guenther <rguenther@suse.de>
9979
9980         PR diagnostic/8268
9981         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
9982         * common.opt (Warray-bounds): Add new warning option.
9983         * c-opts.c (c_common_handle_option): Define -Warray-bounds
9984         if -Wall is given.
9985         * Makefile.in: make tree-vrp.o depend on toplev.h
9986         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
9987         is enabled.
9988         (check_array_refs, check_array_bounds, check_array_ref): New.
9989
9990 2007-01-18  Jan Hubicka  <jh@suse.cz>
9991
9992         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
9993         (execute_ssa_ccp): Return flags conditionally.
9994         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
9995         changed.
9996         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
9997
9998 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
9999
10000         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
10001         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
10002
10003         * Makefile.c (GTFILES): Add cfglayout.h.
10004         * gengtype.c (open_base_files): Likewise.
10005         * cfglayout.c (cfg_layout_function_footer,
10006         cfg_layout_function_header) Reindent to make gengtype happy.
10007         * cfglayout.h (cfg_layout_function_footer,
10008         cfg_layout_function_header): Add GTY(()) marker.
10009
10010         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
10011
10012 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10013
10014         * genautomata.c (write_automata): Include xstrerror output in the
10015         error message if writing the DFA description file fails.
10016
10017 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
10018
10019         * config/mips/mips-protos.h (mips_output_external): Make it
10020         return void.
10021         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
10022         * config/mips/mips.c (irix_output_external_libcall): Likewise.
10023         (extern_list): Likewise.
10024         (extern_head): Likewise.
10025         (TARGET_ASM_FILE_END): Likewise.
10026         (mips_file_end): Likewise.
10027         (mips_output_external): Rewritten.
10028
10029 2007-01-18  Ben Elliston  <bje@au.ibm.com>
10030
10031         * genpreds.c (write_insn_preds_c): Only write out the function
10032         body for regclass_for_constraint if we have register constraints.
10033
10034 2007-01-17  Tom Tromey  <tromey@redhat.com>
10035
10036         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
10037         * doc/install.texi (Testing): Use sourceware.org.
10038         (Binaries): Likewise.
10039         (Specific): Likewise.
10040         * doc/contrib.texi (Contributors): Use sourceware.org.
10041
10042 2007-01-17  Anatoly Sokolov <aesok@post.ru>
10043
10044         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
10045         (AVR_ENHANCED): Rename to ...
10046         (AVR_HAVE_MUL): ... new.
10047         (avr_enhanced_p): Rename to ...
10048         (avr_have_mul_p): ... new.
10049         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
10050         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
10051         * config/avr/avr.c (avr_enhanced_p): Rename to ...
10052         (avr_have_mul_p): ... new.
10053         (base_arch_s): Rename 'enhanced' to 'have_mul'.
10054         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
10055         'avr_enhanced_p' and 'enhanced'.
10056         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
10057         AVR_HAVE_MUL instead of AVR_ENHANCED.
10058         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10059         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
10060         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
10061         instead of AVR_ENHANCED.
10062         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
10063         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
10064         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
10065
10066 2007-01-17  Ian Lance Taylor  <iant@google.com>
10067
10068         * vec.h (VEC_reserve_exact): Define.
10069         (vec_gc_p_reserve_exact): Declare.
10070         (vec_gc_o_reserve_exact): Declare.
10071         (vec_heap_p_reserve_exact): Declare.
10072         (vec_heap_o_reserve_exact): Declare.
10073         (VEC_OP (T,A,reserve_exact)): New static inline function, three
10074         versions.
10075         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
10076         negative parameter.
10077         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
10078         (VEC_OP (T,A,copy)) [all versions]: Likewise.
10079         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
10080         * vec.c (calculate_allocation): Add exact parameter.  Change all
10081         callers.
10082         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
10083         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
10084         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
10085         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
10086         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
10087         (vec_heap_p_reserve_exact): New function.
10088         (vec_heap_o_reserve_exact): New function.
10089
10090 2007-01-17  Jan Hubicka  <jh@suse.cz>
10091
10092         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
10093
10094 2007-01-17  Eric Christopher  <echristo@apple.com>
10095
10096         * config.gcc: Support core2 processor.
10097
10098 2007-01-16  Jan Hubicka  <jh@suse.cz>
10099
10100         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
10101         the names, just unlink the chain so we don't crash on dangling pointers
10102         to dead SSA names.
10103
10104 2007-01-16  Jan Hubicka  <jh@suse.cz>
10105
10106         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
10107         * tree-pass.h: Reorder to make IPA passes appear toegher.
10108         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
10109         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
10110         parameters, do not call early inliner.
10111         * ipa-inline.c: Update comments.  Include tree-flow.h
10112         (cgraph_decide_inlining): Do not compute inlining parameters.
10113         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
10114         be called with function context set up.
10115         (pass_ipa_inline): Remove unreachable functions before pass.
10116         (cgraph_early_inlining): Simplify assuming to be called from the
10117         PM as local pass.
10118         (pass_early_inline): New pass.
10119         (cgraph_gate_ipa_early_inlining): New gate.
10120         (pass_ipa_early_inline): Turn into simple wrapper.
10121         (compute_inline_parameters): New function.
10122         (gate_inline_passes): New gate.
10123         (pass_inline_parameters): New pass.
10124         (apply_inline): Move here from tree-optimize.c
10125         (pass_apply_inline): New pass.
10126         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
10127         transforming.
10128         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
10129         doing them by hand.
10130         (tree_function_versioning): Do not allocate dummy struct function.
10131         * tree-inline.h (optimize_inline_calls): Update prototype.
10132         * tree-optimize.c (execute_fixup_cfg): Export.
10133         (pass_fixup_cfg): Remove
10134         (tree_rest_of_compilation): Do not apply inlines.
10135         * tree-flow.h (execute_fixup_cfg): Declare.
10136         * Makefile.in (gt-passes.c): New.
10137         * passes.c: Include gt-passes.h
10138         (init_optimization_passes): New passes.
10139         (nnodes, order): New static vars.
10140         (do_per_function_toporder): New function.
10141         (execute_one_pass): Dump current pass here.
10142         (execute_ipa_pass_list): Don't dump current pass here.
10143
10144 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
10145
10146         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
10147         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
10148
10149 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
10150
10151         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
10152         (strong_alias): Define.
10153         (__gcc_qmul): Provide non-FMA for soft-float.
10154         (__gcc_qdiv): Same.
10155         (__gcc_qneg): New.
10156         (__gcc_qeq): New.
10157         (__gcc_qle): New.
10158         (__gcc_qge): New.
10159         (__gcc_qunord): New.
10160         (__gcc_stoq): New.
10161         (__gcc_dtoq): New.
10162         (__gcc_qtos): New.
10163         (__gcc_qtod): New.
10164         (__gcc_qtoi): New.
10165         (__gcc_qtou): New.
10166         (__gcc_itoq): New.
10167         (__gcc_utoq): New.
10168         (fmsub): New.
10169         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
10170         soft-float functions.
10171         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
10172         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
10173         about long double soft float.
10174
10175 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
10176             Tehila Meyzels  <tehila@il.ibm.com>
10177
10178         * tree-vectorizer.h (is_pattern_stmt_p): New.
10179         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
10180         formatting (tabs instead of spaces). Cleanup and clarify setting
10181         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
10182         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
10183         (vectorizable_type_demotion): Check that types are integral.
10184         (vectorizable_type_promotion): Likewise.
10185         (vectorizable_store): Fix typo.  Eliminate new-line at end of
10186         comments.
10187
10188 2007-01-16  Jan Hubicka  <jh@suse.cz>
10189
10190         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
10191         cgraph edges too.
10192
10193 2007-01-15  Eric Christopher  <echristo@apple.com>
10194
10195         * ifcvt.c: Include vec.h, vecprim.h.
10196         (check_cond_move_block): New argument regs.
10197         Reorganize. Add registers used to regs.
10198         (cond_move_process_if_block): Use regs set above as
10199         loop bounds.
10200
10201 2007-01-15  Eric Christopher  <echristo@apple.com>
10202
10203         * config/darwin.h: Update copyright.
10204         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
10205         (LINK_COMMAND_SPEC): Add -u.
10206         (LINK_SPEC): Fix umbrella for above.
10207
10208 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
10209
10210         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
10211         glibc CVS.
10212
10213 2007-01-15  Tom Tromey  <tromey@redhat.com>
10214
10215         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
10216         * doc/install.texi (Testing): Don't mention jacks.
10217         (Configuration): Document --enable-java-maintainer-mode.  Move
10218         --with-java-home to libgcj-specific section.  Document
10219         --with-ecj-jar.
10220         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
10221
10222 2007-01-15  Jan Hubicka  <jh@suse.cz>
10223
10224         * tree-ssa-dce.c (DCE_TODOs): New.
10225         (propagate_necessity): Return if something changed.
10226         (eliminate_unnecessary_stmts): Likewise.
10227         (perform_tree_ssa_dce): Return TODO flags when needed.
10228         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
10229
10230 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
10231
10232         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
10233         (fyl2x_extend<mode>xf3_i387): New insn pattern.
10234         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
10235         patterns using X87MODEF12 mode macro.  Extend operand 1
10236         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10237         (log10<mode>2): Ditto.
10238         (log2<mode>2): Ditto.
10239         (log1p<mode>2): Ditto.
10240         (logb<mode>2): Ditto.
10241         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
10242         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
10243         (*fxtractxf3_i387): Rename from *fxtractxf3.
10244         (fxtract_extend<mode>xf3_i387): New insn pattern.
10245         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
10246         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
10247         and gen_fyl2xxf3_i387().
10248
10249 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
10250
10251         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
10252         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
10253         get_loop_exit_edges.  Changed return type to bool.
10254         * cfgloop.h (fix_loop_placement): Declaration removed.
10255
10256 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
10257
10258         * param.h (MIN_VECT_LOOP_BOUND): New.
10259         * params.def (MIN_VECT_LOOP_BOUND): New.
10260         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
10261         argument - minimum threshold for number of iterations.
10262         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
10263         argument to declaration.
10264         * tree-vect-analyze.c (vect_analyze_operations): Check value of
10265         MIN_VECT_LOOP_BOUND.
10266         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
10267         slpeel_tree_peel_loop_to_edge with additional argument.
10268         (vect_do_peeling_for_alignment): Likewise.
10269         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
10270
10271 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
10272
10273         PR target/30413
10274         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
10275         operands of size 1.
10276
10277 2007-01-14  Jan Hubicka  <jh@suse.cz>
10278
10279         * tree-dfa.c (remove_referenced_var): New function.
10280         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
10281         prune referenced vars list too.
10282         * tree-flow.h (remove_referenced_var): Declare.
10283
10284 2007-01-14  Jan Hubicka  <jh@suse.cz>
10285
10286         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
10287         separately.
10288         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
10289         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
10290         * except.h (verify_eh_throw_table_statements): Kill prototype.
10291         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
10292         into call exrepssions.
10293         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
10294         eh trhow verifier.
10295         * tree-cfg.c: Include pointer-set.h.
10296         (verify_node_sharing): Work on pointer set.
10297         (verify_eh_throw_stmt_node): New.
10298         (verify_stmts): Use pointers sets, verify throw_stmt.
10299
10300 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
10301
10302         * ipa-reference.c (analyze_function): Consider also addresses taken
10303         in phi nodes.
10304
10305 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10306
10307         * c-typeck.c (null_pointer_constant_p): Replace use of
10308         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10309         (build_c_cast): Likewise.
10310
10311 2007-01-12  Roger Sayle  <roger@eyesopen.com>
10312
10313         * tree.h (force_fit_type_double): Remove unused final argument.
10314         * c-common.c (constant_expression_warning): Replace use of
10315         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10316         (convert_and_check): Likewise.
10317         (shorten_compare): Update call to force_fit_type_double.
10318         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
10319         * convert.c (convert_to_pointer): Update call to
10320         force_fit_type_double.
10321         * fold-const.c (force_fit_type_double): Remove overflowed_const
10322         argument.
10323         (int_const_binop, fold_convert_const_int_from_int,
10324         fold_convert_const_int_from_real, fold_div_compare,
10325         fold_sign_changed_comparison, fold_unary, fold_negate_const,
10326         fold_abs_const, fold_not_const): Remove the final argument from
10327         calls to force_fit_type_double.
10328
10329 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10330
10331         * configure.ac: Set insn to "nop" for spu-*-* also.
10332         * configure: Regenerate.
10333
10334 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
10335
10336         * builtins.def : Add BUILT_IN_FREE.
10337
10338 2007-01-12  Jan Hubicka  <jh@suse.cz>
10339
10340         PR tree-optimization/30443
10341         * tree-inline.c (tree_function_versioning): Do not optimize when
10342         cloning for inlining.
10343
10344 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
10345
10346         * doc/loop.texi: Document recording of loop exits.
10347         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
10348         (update_single_exits_after_duplication,
10349         update_single_exit_for_duplicated_loop,
10350         update_single_exit_for_duplicated_loops): Removed.
10351         (duplicate_loop_to_header_edge): Do not call
10352         update_single_exits_after_duplication and
10353         update_single_exit_for_duplicated_loops.
10354         (loop_version): Do not update single_exit information.
10355         (fix_loop_structure): Use record_loop_exits instead of
10356         mark_single_exit_loops.
10357         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
10358         the lists of loop exits.
10359         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
10360         split_edge, merge_blocks): Update the lists of loop exits.
10361         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
10362         loop_optimizer_init.
10363         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
10364         of mark_single_exit_loops.
10365         (loop_optimizer_finalize): Call release_recorded_exits.
10366         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
10367         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
10368         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
10369         update single exit information.
10370         * lambda-code.c (perfect_nestify): Ditto.
10371         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
10372         (mark_single_exit_loops): Removed.
10373         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
10374         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
10375         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
10376         functions.
10377         (get_loop_exit_edges, single_exit): Use recorded exit lists.
10378         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
10379         (verify_loop_structure): Verify consistency of the exit lists.
10380         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
10381         (set_single_exit): Removed.
10382         * cfgloop.h (struct loop_exit): New function.
10383         (struct loop): single_exit_ field replaced by exits field.
10384         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
10385         (struct loops): Added exits hash.
10386         (mark_single_exit_loops, set_single_exit): Declaration removed.
10387         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
10388
10389 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10390
10391         * doc/invoke.texi: Avoid use of @headitem.
10392
10393 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10394
10395         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
10396
10397 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10398
10399         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
10400         list of targets.
10401
10402 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10403             Richard Sandiford  <richard@codesourcery.com>
10404
10405         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
10406         * config/m68k/m68k.opt: Resort options.
10407         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
10408
10409 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10410             Richard Sandiford  <richard@codesourcery.com>
10411
10412         * doc/invoke.texi: Document the macros that are defined by
10413         m68k's -mtune and -mhard-float options.
10414         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
10415         (m68k_cpp_cpu_family): Likewise.
10416         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
10417         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
10418         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
10419         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
10420         (m68k_cpp_cpu_family): Likewise.
10421
10422 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10423
10424         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
10425         macros besides mc68000 as tuning macros.  Use a switch statement
10426         to set them and mcpu32.
10427
10428 2007-01-12  Julian Brown  <julian@codesourcery.com>
10429
10430         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
10431         (TARGET_68040_ONLY): Rename to...
10432         (TARGET_68040): ...this.
10433         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
10434         * config/m68k/m68k.md: Likewise.
10435
10436 2007-01-12  Julian Brown  <julian@codesourcery.com>
10437             Nathan Sidwell  <nathan@codesourcery.com>
10438             Richard Sandiford  <richard@codesourcery.com>
10439
10440         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
10441         the -mcpu= argument associated with the --with-cpu setting.
10442         Define M68K_DEFAULT_TUNE to the default -mtune= option,
10443         if different from the one implied by the -mcpu setting.
10444         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
10445         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
10446         * doc/invoke.texi: Mention ColdFire in the introduction to the
10447         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
10448         -mno-div and -mhard-float options.  Make -m68881 a synonym for
10449         -mhard-float.  Document the previously-undocumented -m5206e,
10450         -m528x, -m5307 and -m5407 options.  Tweak the existing option
10451         documentation for consistency.
10452         * doc/install.texi: Mention new --with-cpu arguments.
10453         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
10454         default CPU if neither -mcpu nor -march are specified.
10455         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
10456         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
10457         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
10458         using m68k_tune to decide between families that implement the
10459         same ISA.  Use m68k_tune to set __mcfv4e__.
10460         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
10461         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
10462         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
10463         (FL_ISA_C, FL_ISA_MMU): New macros.
10464         (MASK_COLDFIRE): Delete.
10465         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
10466         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
10467         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
10468         (TARGET_HARD_FLOAT): Do not define here.
10469         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
10470         (TUNE_68000): New macro.
10471         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
10472         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
10473         (TUNE_CFV2): Redefine in terms of m68k_tune.
10474         (uarch_type, target_device, fpu_type): New enums.
10475         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
10476         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
10477         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
10478         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
10479         (FL_FOR_isa_c): New macros.
10480         (m68k_isa): New enum.
10481         (m68k_target_selection): New structure.
10482         (all_devices, all_isas, all_microarchs): New tables.
10483         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
10484         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
10485         (MASK_ALL_CPU_BITS): Delete.
10486         (m68k_find_selection): New function.
10487         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
10488         Map the legacy target options to a combination of the new ones.
10489         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
10490         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
10491         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
10492         settings.
10493         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
10494         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
10495         properties.
10496         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
10497         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
10498         * config/m68k/m68k-devices.def: New file.
10499
10500 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10501             Nathan Sidwell  <nathan@codesourcery.com>
10502
10503         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
10504         (SUBTARGET_EXTRA_SPECS): New macros.
10505         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
10506         use %(asm_cpu_spec) instead.
10507         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
10508         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
10509         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
10510         (EXTRA_SPECS): Rename to...
10511         (SUBTARGET_EXTRA_SPECS): ...this.
10512
10513 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
10514             Richard Sandiford  <richard@codesourcery.com>
10515             Julian Brown  <julian@codesourcery.com>
10516
10517         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
10518         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
10519         to the configuration's default CPU.
10520         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
10521         Remove default masks.
10522         (m680[012]0-*-*): Set the default with_cpu to the first part of
10523         the target name.
10524         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
10525         (m68k*-*-linux): Extend the --with-cpu handling to...
10526         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
10527         and m68010.  Don't set target_cpu_default2.
10528         * doc/install.texi: Document --with-cpu for m68k.
10529         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
10530         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
10531         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
10532         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
10533         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
10534         (ASM_SPEC): Remove use of %(asm_cpu_default).
10535         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
10536         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
10537         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
10538         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
10539         __HAVE_FPU__ if TARGET_HARD_FLOAT.
10540         (TARGET_DEFAULT): Delete.
10541         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
10542         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
10543         (CPP_CPU_SPEC): Delete.
10544         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
10545         the appropriate string.
10546         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
10547         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
10548         (ASM_SPEC): Don't use %(asm_default_spec).
10549         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10550         TARGET_DEFAULT and add MASK_68881.
10551         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
10552
10553 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10554
10555         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
10556         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
10557         MASK_68010 alongside MASK_68020.
10558         * doc/invoke.texi: Document -m68010.
10559         * config/m68k/m68k.opt (m68010): New.
10560         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
10561         if TUNE_68010.
10562         (TUNE_68010): New macro.
10563         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
10564         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
10565         (M68K_CPU_m68332): Add MASK_68010.
10566         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
10567         fallback definition.
10568         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
10569         defines.
10570         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
10571         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
10572         to all entries that use MASK_68020.
10573         (output_move_simode_const, output_move_himode, output_move_qimode)
10574         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
10575         instead of TARGET_68020 to select clr behavior.  Remove comment
10576         about there being no TARGET_68010.
10577         * config/m68k/m68k.md: Likewise throughout.
10578
10579 2007-01-12  Julian Brown  <julian@codesourcery.com>
10580
10581         * config/m68k/m68k.h (TARGET_ISAB): New macro.
10582         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
10583         * config/m68k/m68k.md: Likewise.
10584
10585 2007-01-12  Julian Brown  <julian@codesourcery.com>
10586
10587         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
10588         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
10589
10590 2007-01-12  Julian Brown  <julian@codesourcery.com>
10591
10592         * config/m68k/m68k.h (TUNE_68040_60): New macro.
10593         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
10594         * config/m68k/m68k.md: Likewise.
10595
10596 2007-01-12  Julian Brown  <julian@codesourcery.com>
10597             Richard Sandiford  <richard@codesourcery.com>
10598
10599         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
10600         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
10601         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
10602         TARGET_CPU32.
10603         (TARGET_CPU32): Rename to...
10604         (TUNE_CPU32): ...this.
10605         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
10606         (TUNE_CFV2): New macros.
10607         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
10608         remove conditions that are implied by TARGET_68020.
10609         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
10610         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
10611         (m68k_output_function_epilogue): Likewise.
10612         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
10613         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
10614         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
10615         non-68000 timings.  Refactor multiplication and division costs.
10616         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
10617         TUNE_CPU32 instead of TARGET_CPU32.
10618         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
10619         and TUNE_68060 instead of TARGET_68060.
10620         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
10621         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
10622         TARGET_CPU32.
10623         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
10624         && !TARGET_COLDFIRE" to choose between moveq and clr.
10625         Likewise in the unnamed movsf pattern.
10626         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
10627         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
10628         ashiftrt pattern.
10629
10630 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
10631
10632         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
10633         of tabbing before backslashes.
10634
10635 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10636
10637         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
10638         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
10639         (ASM_OUTPUT_INTERNAL_LABEL): Define.
10640
10641 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10642
10643         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
10644         find_interesting_uses_cond.
10645         (find_interesting_uses_cond): Use extract_cond_operands.
10646         (rewrite_use_compare): Use extract_cond_operands and
10647         force_gimple_operand_bsi.  Do not call update_stmt.
10648         (determine_use_iv_cost_condition): Use extract_cond_operands.
10649         Return cheaper of using original bound and changing the exit bound.
10650
10651 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
10652
10653         PR tree-optimization/29516
10654         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
10655         most_expensive_mult_to_index, addr_to_parts,
10656         create_mem_ref, maybe_fold_tmr): Make the type of
10657         fields of TARGET_MEM_REF sizetype.
10658         (move_fixed_address_to_symbol, move_pointer_to_base):
10659         New functions.
10660         * tree.def (TARGET_MEM_REF): Add comment on types of
10661         the operands.
10662
10663 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
10664
10665         * c-common.c (vector_types_convertible_p): Treat opaque types as
10666         always convertible if they have the same size, but not otherwise.
10667
10668 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
10669
10670         * ifcvt.c (struct noce_if_info): Add comments to the fields.
10671         Remove the b_unconditional field.
10672         (noce_try_sign_mask): Do not look at b_unconditional.
10673         (noce_process_if_block): Do not use merge_if_blocks.  Update
10674         the CFG here.  Do not set b_unconditional.
10675         (cond_move_process_if_block): Likewise.
10676         (find_cond_trap): Likewise.
10677         (check_cond_move_block): Require simple jump insns at the end
10678         of the basic block.
10679
10680 2007-01-11  Jan Hubicka  <jh@suse.cz>
10681
10682         PR tree-optimization/1046
10683         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
10684         when alias info is not ready.
10685         (pass_tail_recursion): Do not require aliasing.
10686         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
10687         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
10688         * tree-ssa-copy.c (pass_copy_prop): Likewise.
10689         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
10690         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
10691         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
10692         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
10693         before inlining.
10694         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
10695         When aliasing is not build, mark statement as volatile.
10696
10697 2007-01-11  Tom Tromey  <tromey@redhat.com>
10698
10699         PR preprocessor/15185, PR preprocessor/20989:
10700         * doc/cppopts.texi <-MT>: Update description of algorithm for
10701         computing default target.
10702         <-M, -MD>: Reword "basename" text.
10703
10704 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10705
10706         * builtins.c (expand_builtin_pow, expand_builtin_powi,
10707         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
10708         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
10709         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
10710         fold_builtin_bswap, real_constp, fold_builtin_pow,
10711         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
10712         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
10713         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
10714         * convert.c (convert_to_pointer): Likewise.
10715         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
10716         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
10717         const_binop, fold_convert_const_int_from_int,
10718         fold_convert_const_int_from_real,
10719         fold_convert_const_real_from_real, sign_bit_p,
10720         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
10721         fold_sign_changed_comparison, fold_unary, fold_comparison,
10722         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
10723         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
10724         * print-tree.c (print_node_brief, print_node): Likewise.
10725         * stor-layout.c (place_field, layout_type): Likewise.
10726         * tree-chrec.c (keep_cast): Likewise.
10727         * tree.c (build_vector, build_real, build_real_from_int_cst,
10728         build_complex): Likewise.
10729
10730 2007-01-11  Roger Sayle  <roger@eyesopen.com>
10731
10732         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
10733         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
10734
10735 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
10736
10737         * configure.ac (strict1_warn): Rename to strict_warn.
10738         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
10739         cc_set_by_configure, quoted_cc_set_by_configure,
10740         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
10741         all_boot_languages, all_stagestuff): Remove.
10742         (target_list): Remove bootstrap targets.
10743         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
10744         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
10745         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
10746         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
10747         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
10748         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
10749         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
10750         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
10751         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
10752         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
10753         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
10754         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
10755         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
10756         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
10757         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
10758         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
10759         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
10760         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
10761         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
10762         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
10763         (mostlyclean): Adjust.
10764         (clean, distclean): Don't mention bootstrap stuff.
10765         * configure: Regenerate.
10766         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
10767         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
10768         treelang/config-lang.in (stagestuff): Remove.
10769         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
10770         stageprofile, stagefeedback, stagestuff): Remove mention.
10771
10772 2007-01-11  Nick Clifton  <nickc@redhat.com>
10773
10774         * config/mcore/predicates.md (mcore_general_movesrc_operand):
10775         Accept CONSTs.
10776         (mcore_general_movdst_operand): Do not accept CONST_INTs.
10777         (mcore_arith_K_S_operand): Run the test for the S constraint not
10778         the test for the M constraint.
10779         (mcore_addsub_operand): Do not accept integer values that are
10780         larger than 32 bits.
10781         * config/mcore/mcore.md: Remove unused constraints from split.
10782         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
10783         (addsi3): Likewise.
10784         (allocate_stack): Likewise.
10785         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
10786         operands to 32 bits.
10787         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
10788         INTVAL.
10789         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
10790         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
10791         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
10792         mcore_output_bclri, mcore_output_andn, output_inline_const,
10793         mcore_output_move, mcore_output_movedouble): Likewise.
10794         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
10795         (output_inline_const): Likewise.
10796         (output_inline_const): Fix format strings used in sprintf
10797         statements.
10798         * config/mcore/mcore-protos.h: Update prototypes for changed
10799         functions in mcore.c.
10800         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
10801         HOST_WIDE_INT and not int.
10802         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
10803         CONST_OK_FOR_N): Likewise.
10804         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
10805         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
10806         an INTVAL.
10807
10808 2007-01-10  Jan Hubicka  <jh@suse.cz>
10809
10810         * tree-vrp.c (remove_range_assertions): Release defs.
10811         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
10812         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
10813
10814 2007-01-10  Paul Brook  <paul@codesourcery.com>
10815
10816         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
10817         * config/arm/arm.md (mulsi3subsi): New insn.
10818
10819 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
10820
10821         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
10822         (tree_transform_and_unroll_loop): New.
10823         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
10824         Declare.
10825
10826 2007-01-10  Robert Kennedy <jimbob@google.com>
10827
10828         * fold-const.c (fold_comparison): Fold comparisons like (x *
10829         1000 < 0) to (x < 0).
10830
10831 2007-01-10  Ian Lance Taylor  <iant@google.com>
10832
10833         * tree-pretty-print.c (dump_generic_node): Print parentheses when
10834         operands have the same priority.
10835
10836 2007-01-10  Tom Tromey  <tromey@redhat.com>
10837
10838         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
10839         (fold_binary): Likewise.
10840         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
10841         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
10842         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
10843         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
10844         * langhooks.h (struct lang_hooks): Removed field
10845         'can_use_bit_fields_p'.
10846
10847 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
10848
10849         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
10850
10851 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
10852
10853         * function.c (get_last_funcdef_no): New function.
10854         * function.h (get_last_funcdef_no): Declare.
10855         * tree-inline.c (initialize_cfun): Add initialization.
10856         (tree_function_versioning): Cleanup.
10857
10858 2007-01-10  Jan Hubicka  <jh@suse.cz>
10859
10860         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
10861         PHIs.
10862
10863 2007-01-10  Sa Liu  <saliu@de.ibm.com>
10864             Ben Elliston  <bje@au.ibm.com>
10865
10866         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
10867         for SAVE_NONLOCAL and Pmode for any other save level.
10868         * spu-protos.h (spu_restore_stack_block): Declare.
10869         * spu.md (save_stack_block): Remove.
10870         (restore_stack_block): Call spu_restore_stack_block.
10871         * spu.c (spu_restore_stack_block): New function.
10872         (spu_expand_epilogue): Remove old comment.
10873
10874 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
10875
10876         PR tree-optimization/30322
10877         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
10878         (cand_value_at): Return the value as aff_tree.
10879         (may_eliminate_iv): Convert the bound from aff_tree to tree.
10880         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
10881         aff_combination_mult): New functions.
10882         (aff_combination_add): Use aff_combination_add_cst.
10883         (aff_combination_convert): Allow conversions to a wider type.
10884         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
10885         * tree-affine.h (aff_combination_mult): Declare.
10886
10887 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
10888
10889         * doc/tm.texi: Update documentation to reflect reality of exec
10890         and start file search behaviours. Update copyright year.
10891         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
10892         header file directories.
10893
10894 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
10895
10896         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
10897         (*cosxf2): Rename to cosxf2_i387.
10898         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
10899         using X87MODEF12 mode macro. Rename patterns to
10900         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
10901         for SSE math.
10902         (*cosdf2, *cossf2): Ditto.
10903         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
10904         to match extended input operands.
10905         (sincos<mode>3): New expander.
10906         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
10907         insn patterns and corresponding splitters.
10908
10909 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
10910
10911         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
10912         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
10913
10914 2007-01-09  Nicolas Pitre  <nico@cam.org>
10915
10916         PR target/30173
10917         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
10918
10919 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10920
10921         * target.h (struct gcc_target): New field library_rtti_comdat.
10922         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
10923         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
10924         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
10925         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
10926
10927 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
10928
10929         * doc/invoke.texi (Optimize Options): Correct description of -O0.
10930
10931 2007-01-08  Richard Guenther  <rguenther@suse.de>
10932
10933         * tree.h (force_fit_type_double): Export.
10934         (force_fit_type): Remove.
10935         * fold-const.c (force_fit_type_double): New function.
10936         (force_fit_type): Remove.
10937         (int_const_binop): Use it.
10938         (fold_convert_const_int_from_int): Likewise.
10939         (fold_convert_const_int_from_real): Likewise.
10940         (fold_div_compare): Likewise.
10941         (fold_sign_changed_comparison): Likewise.
10942         (fold_unary): Likewise.
10943         (fold_negate_const): Likewise.
10944         (fold_abs_const): Likewise.
10945         (fold_not_const): Likewise.
10946         * c-common.c (shorten_compare): Use force_fit_type_double.
10947         * convert.c (convert_to_pointer): Likewise.
10948
10949 2007-01-08  Richard Guenther  <rguenther@suse.de>
10950
10951         * tree.h (build_int_cst_wide_type): Export.
10952         * tree.c (build_int_cst_wide_type): New function.
10953         (build_int_cst_wide): Fix comment.
10954         * builtins.c (fold_builtin_object_size): Use build_int_cst
10955         to build -1 or 0 of the correct type.  Use fit_double_type
10956         to check for overflow.
10957         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
10958         to build the mask.
10959         (decode_field_reference): Likewise.
10960         (all_ones_mask_p): Likewise.
10961         (native_interpret_int): Use build_int_cst_wide_type.
10962         (fold_binary): Use build_int_cst_type to build an all-ones
10963         value.
10964         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
10965
10966 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
10967
10968         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
10969
10970 2007-01-09  Ben Elliston  <bje@au.ibm.com>
10971
10972         * genautomata.c (STATS_OPTION): New option.
10973         (stats_flag): New flag.
10974         (gen_automata_option): Handle it.
10975         (initiate_automaton_gen): Ditto.
10976         (write_automata): Output statistics only if stats_flag is
10977         set. Likewise, output time statistics only if time_flag is set.
10978         * doc/md.texi (Processor pipeline description): Document new flag.
10979
10980 2007-01-08  Richard Guenther  <rguenther@suse.de>
10981
10982         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
10983         * tree.c (build_int_cst_type): Likewise.
10984         (size_in_bytes): Don't call force_fit_type on the result.
10985         (int_fits_type_p): Use fit_double_type.
10986         * fold-const.c (fit_double_type): New function.
10987         (force_fit_type): Use it.
10988         * tree.h (fit_double_type): Export.
10989
10990 2007-01-08  Jan Hubicka  <jh@suse.cz>
10991
10992         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
10993         * ipa.c (function_and_variable_visibility): Fix return type.
10994
10995 2007-01-08  Richard Guenther  <rguenther@suse.de>
10996
10997         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
10998         of offset to build the index.
10999         * tree-pretty-print.c (dump_generic_node): Don't build negated
11000         const just for printing.
11001         * c-pretty-print.c (pp_c_integer_constant): Likewise.
11002         * builtins.c (fold_builtin_int_roundingfn): Check if result
11003         fits the type by using force_fit_type and comparing the result.
11004         * predict.c (predict_loops): Use compare_tree_int for comparison.
11005         * tree.c (build_int_cst): Fall back to integer_type_node for
11006         NULL_TREE type.
11007         (build_int_cst_wide): Assert type is non-null.
11008
11009 2007-01-08  Roberto Costa  <roberto.costa@st.com>
11010
11011         * tree-vrp.c (extract_range_from_cond_expr): New.
11012         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
11013         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
11014         as expressions.
11015         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
11016         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
11017         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
11018         used as expressions.
11019         * tree-object-size.c (cond_expr_object_size): New.
11020         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
11021
11022 2007-01-08  Jan Hubicka  <jh@suse.cz>
11023
11024         * tree-ssa-forwprop.c (forward_propagate_into_cond,
11025         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
11026         statement.
11027
11028 2007-01-08  Richard Guenther  <rguenther@suse.de>
11029
11030         PR tree-optimization/23603
11031         * tree-vrp.c (set_value_range_to_truthvalue): New function.
11032         (extract_range_from_binary): Fall back to truthvalue instead of
11033         varying for TRUTH_*_EXPR.
11034         (extract_range_from_comparison): Fall back to truthvalue instead of
11035         varying.
11036         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
11037         if all visited PHI values were constant.
11038
11039 2007-01-08  Jan Hubicka  <jh@suse.cz>
11040
11041         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
11042         (cgraph_analyze_function): break out from ...
11043         (cgraph_finalize_compilation_unit): ... here.
11044         (cgraph_expand_function): Remove forgoten commented out line.
11045         (cgraph_optimize): Analyze functions.
11046
11047 2007-01-08  Jan Hubicka  <jh@suse.cz>
11048
11049         * tree-pas.h (TODO_remove_function): New flag.
11050         (TODO_update*): Renumber.
11051         (pass_ipa_increase_alignment,
11052         pass_ipa_function_and_variable_visibility): New passes.
11053         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
11054         (cgraph_function_and_variable_visibility): Move to ipa.c
11055         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
11056         cgraph_increase_alignment.
11057         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
11058         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
11059         calling tree-inline.
11060         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
11061         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
11062         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
11063         (gate_increase_alignment): New function.
11064         (pass_ipa_increase_alignment): New pass.
11065         * ipa.c: Inline tree-pass.h and timevar.h
11066         (function_and_variable_visibility): Move here from cgraphunit.c
11067         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
11068         * passes.c (init_optimization_passes): Add the two new passes.
11069         (execute_todo): Handle cgraph_remove_functions.
11070
11071 2007-01-08  Nick Clifton  <nickc@redhat.com>
11072
11073         * config/frv/predicates.md (reg_or_0_operand): Accept
11074         CONST_DOUBLEs.
11075
11076 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
11077
11078         * config/bfin/rtems.h, config/bfin/t-rtems: New.
11079         * config.gcc: Add bfin*-rtems*.
11080
11081 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11082
11083         * c.opt: Add -flax-vector-conversions.
11084         * c-typeck.c (convert_for_assignment): Pass flag to
11085         vector_types_convertible_p to allow emission of note.
11086         (digest_init): Likewise.
11087         * c-opts.c: Handle -flax-vector-conversions.
11088         * c-common.c (flag_lax_vector_conversions): New.
11089         (vector_types_convertible_p): Unless -flax-vector conversions
11090         has been passed, disallow conversions between vectors with
11091         differing numbers of subparts and/or element types.  If such
11092         a conversion is disallowed, possibly emit a note on the first
11093         occasion only to inform the user of -flax-vector-conversions.
11094         The new last argument specifies this.
11095         * c-common.h (flag_lax_vector_conversions): New.
11096         (vector_types_convertible_p): Add extra argument.
11097         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
11098         char_type_node for V*QI type vectors.
11099         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
11100         Update to satisfy new typechecking rules.
11101         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
11102         C and C++ variants.
11103         * doc/invoke.texi (C Dialect Options): Document
11104         -flax-vector-conversions.
11105
11106 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
11107
11108         PR tree-optimization/29877
11109         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
11110         a register variable on the RHS to not be replaceable.
11111
11112 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
11113         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
11114         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
11115         const_simm15, const_pow2, const_npow2): Added.
11116         * config/score/misc.md (insv, extv, extzv, movmemsi,
11117         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
11118         * config/score/score.c (score_address_cost, score_select_cc_mode):
11119         Added.
11120         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
11121         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
11122         Update score_print_operand.
11123         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
11124         Adjust register allocate order and update some macro define.
11125         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
11126         mdx_block_move_straight, mdx_block_move_loop_head,
11127         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
11128         mdx_block_move): Added.
11129         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
11130         mdp_limm): Updated and fix some bug and typo.
11131         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
11132         (movsf, movdf, doloop_end): Added.
11133
11134 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
11135
11136         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
11137         config/arm/thumb2.md: Fix comment typos.
11138         * doc/extend.texi: Fix a typo.
11139
11140 2007-01-07  Eric Christopher  <echristo@apple.com>
11141
11142         * configure.ac: Check for __stack_chk_fail for darwin.
11143         * configure: Regenerate.
11144
11145 2007-01-07  Richard Guenther  <rguenther@suse.de>
11146
11147         * tree-vrp.c (extract_range_from_assert): CSE calls to
11148         compare_values where possible.
11149         (extract_range_from_unary_expr): Likewise.
11150
11151 2007-01-07  Anatoly Sokolov <aesok@post.ru>
11152
11153         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
11154         * config/avr/avr.c (call_insn_operand): Delete function.
11155         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
11156         instead of register number. Use predicates.
11157         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
11158         call_insn_operand): Add.
11159
11160 2007-01-06  Jan Hubicka  <jh@suse.cz>
11161
11162         * tree-pass.h (pass_build_cgraph_edges): Declare.
11163         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
11164         (visited_nodes): Remove.
11165         (cgraph_create_edges): Move to cgraphbuild.c; rename to
11166         build_cgrpah_edges; make visited_nodes local.
11167         (cgraph_process_new_functions): DO not call initialize_inline_failed.
11168         (record_references_in_initializer): Move to cgraphbuild.c
11169         (initialize_inline_failed, rebuild_cgraph_edges,
11170         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
11171         (verify_cgraph_node): Make visited_nodes local.
11172         (cgraph_analyze_function): Do not call cgraph_create_edges and
11173         initialize_inline_failed.
11174         (cgraph_expand_function): Do not call cgraph_lower_function;
11175         assert that function is already lowered.
11176         * Makefile.in (cgraphbuild.o): New.
11177         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
11178         at the end of lowering passes.
11179
11180 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
11181
11182         * ifcvt.c (cond_move_convert_if_block): New function, code
11183         factored out from...
11184         (cond_move_process_if_block): ...here.  Call the new function
11185         on the THEN and ELSE blocks.
11186         (merge_if_block): Do not copy global_live_at_end, merge_blocks
11187         already takes care of this.
11188
11189 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11190
11191         PR c/19978
11192         * tree.h (TREE_OVERFLOW_P): New.
11193         * c-typeck.c (parser_build_unary_op): Warn only if result
11194         overflowed and operands did not.
11195         (parser_build_binary_op): Likewise.
11196         (convert_for_assignment): Remove redundant overflow_warning.
11197         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
11198
11199 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11200
11201         * c-typeck.c (store_init_value): Split over two lines to follow
11202         the GNU coding style.
11203
11204 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
11205
11206         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
11207         __GXX_EXPERIMENTAL_CXX0X__.
11208         * doc/cpp.texi: Same.
11209
11210 2007-01-05  Richard Guenther  <rguenther@suse.de>
11211
11212         PR middle-end/27826
11213         * tree.c (get_narrower): Do not construct COMPONENT_REFs
11214         with mismatched types.  Instead explicitly build a
11215         conversion NOP_EXPR.
11216
11217 2007-01-05  Ian Lance Taylor  <iant@google.com>
11218
11219         * c-common.c (decl_with_nonnull_addr_p): New function.
11220         (c_common_truthvalue_conversion): Call it.
11221         * c-typeck.c (build_binary_op): Likewise.
11222         * c-common.h (decl_with_nonnull_addr_p): Declare.
11223
11224 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
11225
11226         PR c/30360
11227         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
11228         denom against 0.0.
11229
11230 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
11231
11232         * doc/install.texi (Final install): Document the fact that
11233         the GNAT runtime should not be stripped.
11234
11235 2007-01-04  Jan Hubicka  <jh@suse.cz>
11236
11237         * tree-inline.c (fold_marked_statements): Update operand caches
11238         and EH after folding
11239
11240 2007-01-04  Ian Lance Taylor  <iant@google.com>
11241
11242         * c-common.c (check_function_nonnull): Whitespace fix.
11243
11244 2007-01-04  Jan Hubicka  <jh@suse.cz>
11245
11246         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
11247         comitted older version of patch.
11248         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
11249         function, celanup cfg and collect garbage.
11250
11251 2007-01-04  Mike Stump  <mrs@apple.com>
11252
11253         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
11254         (clean): Likewise.
11255
11256 2007-01-04  Eric Christopher  <echristo@apple.com>
11257
11258         * libgcc2.c (__bswapsi2): Use SItype.
11259         (__bswapdi2): Use DItype.
11260         * libgcc2.h: Update for above.
11261
11262 2007-01-04  Paul Brook  <paul@codesourcery.com>
11263
11264         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
11265         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
11266         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
11267         umulsidi3, umulsidi3adddi, smulsi3_highpart,
11268         umulsi3_highpart): Make conditional on !arm_arch6.
11269         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
11270         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
11271         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
11272         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
11273         umulsi3_highpart_v6): New insns.
11274
11275 2007-01-04  Roger Sayle  <roger@eyesopen.com>
11276
11277         * fold-const.c (fold_convert): When casting an expression to void,
11278         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
11279         have a type.  Instead of attempting to build a NOP_EXPR, return
11280         these "special" trees directly.
11281
11282 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
11283
11284         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
11285         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
11286         rs6000_cost->fp not 0 as adjustment for outer NEG.
11287
11288 2007-01-04  Jan Hubicka  <jh@suse.cz>
11289
11290         * cgraph.c (cgraph_release_function_body): New function.
11291         (cgraph_remove_node): Use it.
11292         * cgraph.h (cgraph_release_function_body): Declare.
11293         * cgraphunit.c (cgraph_expand_function): Use it.
11294         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
11295         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
11296         is initialized and while compilation of other function is running.
11297         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
11298         statement CFG annotations from here to ...
11299         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
11300
11301 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
11302
11303         * cfgloop.h (enum li_flags): Make the constants powers of two.
11304
11305 2007-01-04  Jan Hubicka  <jh@suse.cz>
11306
11307         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
11308         set.
11309         (fold_marked_statements): New function.
11310         (optimize_inline_calls, tree_function_versioning): Fold new statements.
11311         * tree-inline.h (copy_body_data): Add statements_to_fold.
11312
11313 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
11314
11315         * config.gcc: Mention libgcc/config.host.
11316         * Makefile.in: Update comments mentioning libgcc.
11317         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
11318         (all.cross, start.encap, rest.encap, rest.cross): Update
11319         dependencies for libgcc move.
11320         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
11321         (clean-target, clean-target-libgcc): Delete.
11322         (srcdirify, GCC_EXTRA_PARTS): New macros.
11323         (libgcc-support, libgcc.mvars): New rules.
11324         (distclean): Remove mention of mklibgcc.
11325         (install): Don't reference INSTALL_LIBGCC.
11326         (install-common): Don't reference EXTRA_PARTS.
11327         (install-libgcc, install-multilib): Delete rules.
11328         * mklibgcc.in: Delete file.
11329         * doc/configfiles.texi: Don't mention mklibgcc.
11330
11331         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
11332         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
11333         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
11334         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
11335         (mklibgcc, ldblspecs): Likewise.
11336
11337         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
11338         (posixpre.def): Use $(T).
11339         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
11340         (SHLIB_SRC, SHLIB_INSTALL): Delete.
11341         (SHLIB_LINK): Make dummy.
11342         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
11343
11344         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
11345
11346         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
11347         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
11348         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
11349         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
11350
11351         * configure.ac (all_outputs): Remove mklibgcc.
11352         * configure: Regenerated.
11353
11354 2007-01-03  Josh Conner  <jconner@apple.com>
11355
11356         PR middle-end/29683
11357         * calls.c (compute_argument_addresses): Set stack and stack_slot
11358         for partial args, too.
11359         (store_one_arg): Use locate.size.constant for the size when
11360         generating a save_area.
11361
11362 2007-01-03  Robert Kennedy <jimbob@google.com>
11363
11364         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
11365         whose definitions are deleted due to basic block merging.
11366
11367 2007-01-03  Paul Brook  <paul@codesourcery.com>
11368
11369         PR target/16634
11370         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
11371         functions.
11372         (use_return_insn): Return 0 for Thumb interrupt functions.
11373         (print_multi_reg): Add rfe argument for IRQ returns.
11374         (arm_output_epilogue): Pop interrupt return address directly into PC.
11375         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
11376
11377 2007-01-03  Paul Brook  <paul@codesourcery.com>
11378
11379         Merge from sourcerygxx-4_1.
11380         * config/arm/thumb2.md: New file.
11381         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
11382         Thumb-2.
11383         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
11384         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11385         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
11386         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
11387         tables.
11388         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
11389         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
11390         comptibility.
11391         * config/arm/ieee754-sf.S: Ditto.
11392         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
11393         (thumb1_base_register_rtx_p): ... to this.
11394         (thumb_index_register_rtx_p): Rename...
11395         (thumb1_index_register_rtx_p): ... to this.
11396         (thumb_output_function_prologue): Rename...
11397         (thumb1_output_function_prologue): ... to this.
11398         (thumb_legitimate_address_p): Rename...
11399         (thumb1_legitimate_address_p): ... to this.
11400         (thumb_rtx_costs): Rename...
11401         (thumb1_rtx_costs): ... to this.
11402         (thumb_compute_save_reg_mask): Rename...
11403         (thumb1_compute_save_reg_mask): ... to this.
11404         (thumb_final_prescan_insn): Rename...
11405         (thumb1_final_prescan_insn): ... to this.
11406         (thumb_expand_epilogue): Rename...
11407         (thumb1_expand_epilogue): ... to this.
11408         (arm_unwind_emit_stm): Rename...
11409         (arm_unwind_emit_sequence): ... to this.
11410         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
11411         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
11412         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
11413         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
11414         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
11415         thumb2_output_casesi): New functions.
11416         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
11417         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
11418         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
11419         THUMB2_WORK_REGS): Define.
11420         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
11421         arm_condexec_mask, arm_condexec_masklen)): New variables.
11422         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
11423         (arm_override_options): Check new CPU capabilities.
11424         Set new architecture flag variables.
11425         (arm_isr_value): Handle v7m interrupt functions.
11426         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
11427         Thumb-2.
11428         (const_ok_for_arm): Handle Thumb-2 constants.
11429         (arm_gen_constant): Ditto.  Use movw when available.
11430         (arm_function_ok_for_sibcall): Return false for v7m interrupt
11431         functions.
11432         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
11433         (thumb_find_work_register, arm_load_pic_register,
11434         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
11435         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
11436         print_multi_reg, output_mov_long_double_fpa_from_arm,
11437         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
11438         output_mov_double_fpa_from_arm, output_move_double,
11439         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
11440         output_return_instruction, arm_output_function_prologue,
11441         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
11442         arm_output_mi_thunk, thumb_set_return_address): Ditto.
11443         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
11444         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
11445         (arithmetic_instr, shift_op): Use arm_shift_nmem.
11446         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
11447         '!' and 'L'.
11448         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
11449         (thumb_expand_prologue): Use thumb_set_frame_pointer.
11450         (arm_file_start): Output directive for unified syntax.
11451         (arm_unwind_emit_set): Handle stack alignment instruction.
11452         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
11453         Add v6t2, v7, v7a, v7r and v7m.
11454         (RETLDM): Add Thumb-2 code.
11455         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
11456         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
11457         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
11458         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
11459         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
11460         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
11461         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
11462         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
11463         ADJUST_INSN_LENGTH): Define.
11464         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
11465         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
11466         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
11467         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
11468         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
11469         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
11470         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
11471         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
11472         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
11473         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
11474         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
11475         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
11476         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
11477         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
11478         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
11479         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
11480         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
11481         cortex-m3.
11482         * config/arm/arm-tune.md: Regenerate.
11483         * config/arm/arm-protos.h: Update prototypes.
11484         * config/arm/vfp.md: Enable patterns for Thumb-2.
11485         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
11486         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
11487         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
11488         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
11489         * config/arm/libunwind.S: Add Thumb-2 code.
11490         * config/arm/constraints.md: Update include Thumb-2.
11491         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
11492         * config/arm/ieee754-df.S: Ditto.
11493         * config/arm/bpabi.S: Ditto.
11494         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
11495         * config/arm/predicates.md (low_register_operand,
11496         low_reg_or_int_operand, thumb_16bit_operator): New.
11497         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
11498         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
11499         * config/arm/t-arm-elf: Add armv7 multilib.
11500         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
11501         Include thumb2.md.
11502         (UNSPEC_STACK_ALIGN, ce_count): New.
11503         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
11504         arm_zero_extendsidi2, arm_zero_extendqidi2): New
11505         insns/expanders.
11506         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
11507         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
11508         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
11509         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
11510         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
11511         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
11512         insns.
11513         * doc/extend.texi: Document ARMv7-M interrupt functions.
11514         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
11515
11516 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
11517
11518         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
11519         (struct _Unwind_Context): Rename args_size to flags, remove
11520         signal_frame field, add a new args_size field and version field.
11521         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
11522         _Unwind_IsExtendedContext): New inline functions.
11523         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
11524         Assume by_value array is only present if _Unwind_IsExtendedContext.
11525         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
11526         _Unwind_IsSignalFrame.
11527         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
11528         (uw_update_context_1): Use _Unwind_SetSignalFrame.
11529         (uw_init_context_1): Initialize context->flags to
11530         EXTENDED_CONTEXT_BIT.
11531         * config/rs6000/linux-unwind.h (frob_update_context): Use
11532         _Unwind_SetSignalFrame.
11533
11534 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11535
11536         PR middle-end/30353
11537         * gimplify.c (gimplify_modify_expr_complex_part): Move below
11538         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
11539         the value.
11540
11541 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
11542
11543         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
11544         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
11545         RET, AT_SP): Remove.
11546         * config/i386/i386.md (*sse_prologue_save_insn): Use return
11547         instead of RET.
11548
11549         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11550         * cfgbuild.c (find_basic_blocks): Likewise.
11551         * cfgrtl.c (rtl_create_basic_block): Likewise.
11552         * function.c (temp_slots_at_level): Likewise.
11553         * reg-stack.c (stack_regs_mentioned): Likewise.
11554         * regclass.c (allocate_reg_info): Likewise.
11555         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11556         set_bb_for_stmt, move_block_to_fn): Likewise.
11557         * tree-complex.c (tree_lower_complex): Likewise.
11558         * vec.h (VEC_safe_grow_cleared): New.
11559
11560         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
11561
11562 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
11563
11564         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
11565         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
11566         to loop_version.
11567         * cfgloopmanip.c (scale_loop_frequencies): Export.
11568         (loopify): Scale the frequencies by prescribed coefficients.
11569         (set_zero_probability): New function.
11570         (duplicate_loop_to_header_edge): Improve updating of frequencies.
11571         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
11572         and frequencies according to arguments.
11573         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
11574         correctly.
11575         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
11576         * modulo-sched.c (sms_schedule): Set probabilities for entering
11577         versioned loop correctly.
11578         * tree-vect-transform.c (vect_transform_loop): Ditto.
11579         * cfgloop.h (loopify, loop_version): Declaration changed.
11580         (scale_loop_frequencies): Declared.
11581
11582 2007-01-02  Jan Hubicka  <jh@suse.cz>
11583
11584         * cgraph.c: Include tree-flow.h
11585         (cgraph_add_new-function): Handle IPA_SSA mode; execute
11586         early_local_passes.
11587         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
11588         * tree-pass.h (pass_all_early_optimizations): Declare.
11589         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
11590         early_local_passes.
11591         (cgraph_analyze_function): Do early_local_passes.
11592         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11593         Do not add referenced vars.
11594         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
11595         SSA form.
11596         (gate_all_early_local_passes): New gate.
11597         (pass_early_local_passes): Use new gate.
11598         (execute_early_local_optimizations): New functions.
11599         (gate_all_early_optimizations): New gate.
11600         (pass_all_early_optimizations): New pass.
11601         (execute_free_datastructures): Free SSA only when initialized.
11602         (gate_init_datastructures): Init only when optimizing.
11603         (tree_lowering_passes): Do early local passes when called late.
11604         * tree-profile.c (do_tree_profiling): Don't profile functions added
11605         late.
11606         (do_early_tree_profiling, pass_early_tree_profile): Kill.
11607         * tree-cfg.c (update_modified_stmts): Do not update when operands are
11608         not active.
11609         * passes.c (init_optimizations_passes): Reorder so we go into SSA
11610         during early_local_passes.
11611         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
11612
11613
11614 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11615
11616         * Makefile.in: Update copyright year.
11617
11618 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
11619
11620         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
11621         in $(lang_checks) and check-consistency targets.
11622
11623 2007-01-02  Jan Hubicka  <jh@suse.cz>
11624
11625         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
11626         Do not add referenced vars.
11627         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
11628         are not active.
11629         * passes.c (init_optimization_passes): Put mudflap_2 after
11630         free_datastructures.
11631
11632 2007-01-02  Jan Hubicka  <jh@suse.cz>
11633
11634         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
11635         Set NOTHROW flag on call statements proved to be nothrow.
11636         Update statement of local calls so new pure/const functions are
11637         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
11638         goto receivers.
11639         (tree_rest_of_compilation): Register hooks and initialize bitmap
11640         early. Do not set after_inlining flag.
11641
11642 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
11643
11644         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
11645         HOST_BITS_PER_LONGLONG
11646
11647 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11648
11649         PR c/19977
11650         * c-typeck.c (store_init_value): Don't emit pedantic overflow
11651         warning for non-static initializers.
11652
11653 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
11654
11655         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
11656         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
11657         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
11658         Always use set_unique_reg_note to add REG_EQUAL notes.
11659
11660 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11661
11662         Revert:
11663         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11664
11665         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11666         * cfgbuild.c (find_basic_blocks): Likewise.
11667         * cfgrtl.c (rtl_create_basic_block): Likewise.
11668         * function.c (temp_slots_at_level): Likewise.
11669         * reg-stack.c (stack_regs_mentioned): Likewise.
11670         * regclass.c (allocate_reg_info): Likewise.
11671         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11672         set_bb_for_stmt, move_block_to_fn): Likewise.
11673         * tree-complex.c (tree_lower_complex): Likewise.
11674         * vec.h (VEC_safe_grow_cleared): New.
11675
11676 2007-01-02  Ian Lance Taylor  <iant@google.com>
11677
11678         * c-common.c (c_common_truthvalue_conversion): When warning about
11679         using an assignment as a truth value, set TREE_NO_WARNING.
11680
11681 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11682
11683         PR middle-end/7651
11684         * c.opt (Wold-style-declaration): New.
11685         * doc/invoke.texi (C-only Warning Options): New.
11686         (Wold-style-declaration): Document it.
11687         (Wextra): Enabled by -Wextra.
11688         * c-opts.c (c_common_post_options): Enabled by -Wextra.
11689         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
11690         -Wold-style-declaration.
11691
11692 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
11693
11694         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
11695         * cfgbuild.c (find_basic_blocks): Likewise.
11696         * cfgrtl.c (rtl_create_basic_block): Likewise.
11697         * function.c (temp_slots_at_level): Likewise.
11698         * reg-stack.c (stack_regs_mentioned): Likewise.
11699         * regclass.c (allocate_reg_info): Likewise.
11700         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
11701         set_bb_for_stmt, move_block_to_fn): Likewise.
11702         * tree-complex.c (tree_lower_complex): Likewise.
11703         * vec.h (VEC_safe_grow_cleared): New.
11704
11705 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
11706
11707         * c-common.c (c_common_nodes_and_builtins): Since variants of
11708         void_type_node get built before it is given a name, we need to
11709         give those variants the name, too.
11710         (complete_array_type): We need to work with the canonical main
11711         type of the array, from which we will build the qualified version.
11712         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
11713         * print-tree.c (print_node): Display canonical type information
11714         for each type.
11715         * stor-layout.c (layout_type): When we don't know the
11716         alignment of a type for which we're building an array, we end up
11717         guessing wrong, so make the type require structural equality.
11718         * tree.c (make_node_stat): When we build a new type, it is its
11719         own canonical type.
11720         (build_type_attribute_qual_variant): When building an attribute
11721         variant, its canonical type is the non-attribute variant. However,
11722         if the attributes are target-dependent and they differ, we need to
11723         use structural equality checks for this type.
11724         (build_qualified_type): A qualified type is not equivalent to its
11725         unqualified variant; set the canonical type appropriately.
11726         (build_distinct_type_copy): When building a distinct type from
11727         another type, the new type is its own canonical type.
11728         (build_variant_type_copy): When building a new type variant, we
11729         assume that it is equivalent to the original type.
11730         (build_pointer_type_for_mode): When building a pointer type, also
11731         build a canonical type pointer.
11732         (build_reference_type_for_mode): When building a reference type,
11733         also build a canonical type reference.
11734         (build_index_type): When we can't hash an index type (e.g.,
11735         because its maximum value is negative), the index type requires
11736         structural equality tests.
11737         (build_array_type): Build the canonical form of an array type.
11738         (build_function_type): Function types require structural equality,
11739         because they contain default arguments, attributes, etc.
11740         (build_method_type_directly): Ditto for method types.
11741         (build_offset_type): Build the canonical offset type.
11742         (build_complex_type): Build the canonical vector type.
11743         (make_vector_type): Build the canonical vector type.
11744         * tree.h (TYPE_CANONICAL): New.
11745         (TYPE_STRUCTURAL_EQUALITY_P): New.
11746         (SET_TYPE_STRUCTURAL_EQUALITY): New.
11747         (struct tree_type): Added "canonical" field.
11748         * params.h (VERIFY_CANONICAL_TYPES): New.
11749         * doc/c-tree.texi (TYPE_CANONICAL): Document.
11750         (TYPE_STRUCTURAL_EQUALITY_P): Document.
11751         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
11752         * doc/invoke.texi (verify-canonical-types): Document --param
11753         parameter for verifying canonical types.
11754
11755 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11756
11757         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
11758         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
11759         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
11760         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
11761         tm_file.
11762         * config/rs6000/e500.h: New.
11763         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
11764         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
11765         Remove.
11766         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
11767         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
11768         TARGET_E500_DOUBLE): Remove.
11769         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
11770         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
11771         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
11772         * config/rs6000/rs6000.c (rs6000_override_options): Use
11773         CHECK_E500_OPTIONS.
11774
11775 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11776
11777         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
11778         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
11779         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
11780         rs6000_emit_cmove): Don't check TARGET_E500.
11781         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
11782         sordered): Don't check TARGET_E500.
11783
11784 2007-01-01  Eric Christopher  <echristo@apple.com>
11785
11786         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
11787         HARD_REGISTER_NUM_P.
11788
11789 2007-01-01  Roger Sayle  <roger@eyesopen.com>
11790
11791         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
11792         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
11793         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
11794         eq/ne Y".
11795
11796 2007-01-01  Mike Stump  <mrs@apple.com>
11797
11798         * configure.ac: Remove support for building with Apple's gcc-3.1.
11799
11800 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
11801
11802         PR middle-end/30311
11803         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
11804         REG is a hard register.  Do not modify REG before calling
11805         subreg_nregs.
11806         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
11807         multiple of the size of YMODE for certain lowpart cases.
11808
11809 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11810
11811         PR middle-end/30253
11812         * gimplify (voidify_wrapper_expr): Update for
11813         GIMPLE_MODIFY_STMT.
11814
11815 2007-01-01  Andreas Schwab  <schwab@suse.de>
11816
11817         PR target/29166
11818         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
11819         save of BR0 in extra_spill_size instead of spill_size.
11820         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
11821         area.
11822         (ia64_expand_epilogue): Restore BR0 from its new location.
11823
11824 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11825
11826         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
11827         Use a temporary variable if the left hand side is not a gimple
11828         register.
11829
11830 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
11831
11832         * gimplify.c (gimplify_return_expr): Make the temporary variable
11833         for the return expression, a gimple register variable.
11834
11835 2007-01-01  Jan Hubicka  <jh@suse.cz>
11836
11837         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
11838         INSN_LIST.
11839
11840 2007-01-01  Mike Stump  <mrs@apple.com>
11841
11842         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
11843         .literal16.
11844         * config/darwin.c (machopic_select_rtx_section): Use
11845         HAVE_GAS_LITERAL16.
11846         (darwin_mergeable_constant_section): Likewise.
11847         * configure: Regenerate.
11848         * config.in: Regenerate.
11849
11850 2007-01-01  Jan Hubicka  <jh@suse.cz>
11851             Andrew Pinski  <pinskia@gmail.com>
11852
11853         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
11854         before starting IPA passes.