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2008-04-03 Jan Hubicka <jh@suse.cz>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-03  Jan Hubicka  <jh@suse.cz>
2
3         PR tree-optimization/35795
4         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
5         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
7         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
8         * score/score3.c (score3_output_mi_thunk): Likewise.
9         * score/score7.c (score7_output_mi_thunk): Likewise.
10         * mips/mips.c (mips_output_mi_thunk): Likewise.
11
12 2008-04-03  Richard Guenther  <rguenther@suse.de>
13
14         * tree-vrp.c (extract_range_from_unary_expr): Handle all
15         conversions.  Simplify code.
16
17 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
18
19         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
20
21 2008-04-03  Tom Tromey  <tromey@redhat.com>
22             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23
24         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
25         * config/bfin/t-bfin-linux (generated_files): Add
26         linux-sysroot-suffix.h.
27         * doc/install.texi (Prerequisites): Require make 3.80.
28         * doc/sourcebuild.texi (Front End Directory): Document new
29         variable.
30         * Makefile.in (generated_files): New variable.
31         (ALL_HOST_OBJS): New variable.
32         ($(ALL_HOST_OBJS)): New target.
33
34 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
35
36         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
37         (remap_block): Call id->transform_lang_insert_block instead
38         of langhook.
39         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
40         Set id.transform_lang_insert_block to NULL.
41         (clone_body): Move to cp/optimize.c
42         * tree-inline.h (struct copy_body_data): Change
43         transform_lang_insert_block to function pointer.
44         (copy_generic_body, copy_decl_no_change): Export.
45         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
46         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
47         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
48
49         * c-tree.h (insert_block): Kill.
50         * c-decl.c (insert_block): Kill.
51
52 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
53
54         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
55         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
56         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
57         argument.
58         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
59         argument, call {push,pop}_function_context from here.
60         * c-parser.c: Use c_{push,pop}_function_context.
61
62         * function.c (push_function_context_to): Move meat ...
63         (push_function_context): ... here.  Simplify.
64         * function.c (pop_function_context_from): Move meat ...
65         (pop_function_context): ... here.  Simplify.
66         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
67         leave_nested).
68         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
69         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
70         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
71         * tree.h (push_function_context_to, pop_function_context_from): Remove.
72
73 2008-04-03  Ben Elliston  <bje@au.ibm.com>
74
75         * expmed.c (extract_force_align_mem_bit_field): Remove.
76
77 2008-04-03  Richard Guenther  <rguenther@suse.de>
78
79         PR middle-end/35800
80         * expr.h (try_casesi): Adjust prototype.
81         * expr.c (try_casesi): Take fallback label as extra parameter.
82         Use that for gen_casesi if default_label is NULL.
83         * stmt.c (expand_case): Pass fallback label to try_casesi,
84         make sure to fill gaps with a fallback label if default_label
85         is not present.
86
87 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
88
89         PR target/35801
90         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
91
92 2008-04-03  Ben Elliston  <bje@au.ibm.com>
93
94         * expmed.c (extract_split_bit_field): Remove if (0) code.
95         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
96         (do_ds_constraint): Likewise.
97
98 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
99
100         * doc/cppopts.texi (-dU): Document.
101         * c-common.h (flag_dump_macros): Update comment.
102         * c-opts.c (handle_OPT_d): Handle -dU.
103         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
104         dump_queued_macros, cb_used_define, cb_used_undef): New.
105         (init_pp_output): Handle -dU.
106         (cb_line_change): Call dump_queued_macros.
107         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
108
109 2008-04-02  Anatoly Sokolov <aesok@post.ru>
110
111         * config/avr/predicates.md (io_address_operand): New predicate. 
112         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
113         * config/avr/avr.c (avr_io_address_p): Remove function.
114         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
115         'avr_io_address_p' function.
116         (out_movhi_r_mr): (Ditto.).
117         (out_movqi_mr_r): (Ditto.).
118         (out_movhi_mr_r): (Ditto.).
119         (avr_address_cost): (Ditto.).
120
121 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
122
123         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
124         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
125         in 32bit mode when XMM registers are available to avoid store
126         forwarding stalls.
127         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
128         corresponding post-reload splitters.
129
130 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
131
132         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
133         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
134         __builtin_ia32_roundss.
135         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
136         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
137         __builtin_ia32_roundss.
138         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
139         IX86_BUILTIN_SHUFPD here.
140
141 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
142
143         * config/i386/i386.md (plogic): New.
144         (plogicprefix): Likewise.
145
146         * config/i386/mmx.md (mmx_<code><mode>3): New.
147         (mmx_and<mode>3): Removed.
148         (mmx_ior<mode>3): Likewise.
149         (mmx_xor<mode>3): Likewise.
150
151         * config/i386/sse.md (<code><mode>3): New.
152         (*<code><mode>3): Likewise.
153         (*<code><mode>3): Likewise.
154         (<code><mode>3): Likewise.
155         (*sse_<code><mode>3): Likewise.
156         (*sse2_<code><mode>3): Likewise.
157         (<code>tf3): Likewise.
158         (*<code>tf3): Likewise.
159         (and<mode>3): Likewise.
160         (*and<mode>3): Likewise.
161         (ior<mode>3): Removed.
162         (*ior<mode>3): Likewise.
163         (xor<mode>3): Likewise.
164         (*xor<mode>3): Likewise.
165         (*and<mode>3): Likewise.
166         (*ior<mode>3): Likewise.
167         (*xor<mode>3): Likewise.
168         (and<mode>3): Likewise.
169         (*sse_and<mode>3): Likewise.
170         (*sse2_and<mode>3): Likewise.
171         (andtf3): Likewise.
172         (*andtf3): Likewise.
173         (ior<mode>3): Likewise.
174         (*sse_ior<mode>3): Likewise.
175         (*sse2_ior<mode>3): Likewise.
176         (iortf3): Likewise.
177         (*iortf3): Likewise.
178         (xor<mode>3): Likewise.
179         (*sse_xor<mode>3): Likewise.
180         (*sse2_xor<mode>3): Likewise.
181         (xortf3): Likewise.
182         (*xortf3): Likewise.
183
184 2008-04-02  Richard Guenther  <rguenther@suse.de>
185
186         PR tree-optimization/14495
187         PR tree-optimization/34793
188         * tree-vrp.c (struct switch_update): New structure.
189         (to_remove_edges, to_update_switch_stmts): New VECs.
190         (simplify_switch_using_ranges): New function.  Remove not taken
191         case labels and edges.
192         (simplify_stmt_using_ranges): Call it.
193         (identify_jump_threads): Mark edges we have queued for removal
194         so we don't thread them.
195         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
196         case label vector.
197         * tree-cfg.c (group_case_labels): Deal with missing default label.
198         (tree_verify_flow_info): Allow missing default label.
199         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
200         (emit_case_nodes): Likewise.
201         (expand_case): Do not rely on the default label to be present.
202         * expr.c (try_casesi): Deal with NULL default_label.
203         (do_tablejump): Likewise.
204
205 2008-04-02  Richard Guenther  <rguenther@suse.de>
206
207         PR tree-optimization/14495
208         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
209         SWITCH_EXPR here ...
210         (vrp_visit_switch_stmt): ... but here (new function).
211         (find_case_label_index): New helper function.
212         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
213
214 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
215
216         * fwprop.c: Fix ISO-C99ism.
217
218 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
219
220         PR bootstrap/35752
221         * Makefile.in (objdir): Set it here.
222         * configure.ac: Not here.  Find dynamic linker characteristics.
223         * exec-tool.in: Use them.
224         * aclocal.m4: Regenerate.
225         * configure: Regenerate.
226
227 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
228
229         * expr.c (expand_var): Delete it.
230         * expr.h (expand_var): Delete prototype.
231         * function.c (expand_function_start): Use expand_decl instead.
232         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
233         langhook.
234
235 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
236
237         PR rtl-optimization/35542
238         * fwprop.c (forward_propagate_and_simplify): Replace
239         loc_reg_mentioned_in_p with reg_mentioned_p.
240
241 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
242
243         PR rtl-optimization/35281
244         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
245         (propagate_rtx_1): Handle PR_HANDLE_MEM.
246         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
247         (varying_mem_p): Move above propagate_rtx.
248         (all_uses_available_at): Do not check MEMs.
249
250 2008-04-02  Rafael Espindola  <espindola@google.com>
251
252         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
253         (register_edge_assert_for_2): Split the cond argument.
254         (register_edge_assert_for_1): Adjust for the change in
255         register_edge_assert_for_2.
256         (register_edge_assert_for): Split the cond argument.
257         (find_switch_asserts): Adjust for the change in
258         register_edge_assert_for.
259
260 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
261
262         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
263         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
264         offsets for 64-bit mingw.
265         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
266         abi for x86_64-pc-mingw.
267
268 2008-04-02  Richard Guenther  <rguenther@suse.de>
269
270         * tree-vrp.c (extract_range_from_assert): Make sure to not
271         produce range min/max with TREE_OVERFOW set.
272         If merging a anti-range and a range keep the anti-range if
273         the range covers all values of the type.
274         (register_edge_assert_for_2): Only allow sign-changing
275         conversions in detecting canonical range checks.  Also
276         register an assert for the unsigned name if useful.
277
278         PR tree-optimization/35787
279         * tree-vrp.c (vrp_val_max): New function.
280         (vrp_val_min): Likewise.
281         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
282         (vrp_val_is_min): Likewise.
283         (supports_overflow_infinity): Use vrp_val_{min,max}.
284         (negative_overflow_infinity): Likewise.
285         (positive_overflow_infinity): Likewise.
286         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
287         (is_positive_overflow_infinity): Likewise.
288         (is_overflow_infinity): Likewise.
289         (avoid_overflow_infinity): Use vrp_val_{min,max} and
290         vrp_val_is_{min,max}.
291         (set_and_canonicalize_value_range): Canonicalize anti-ranges
292         to ranges if possible.  Avoid empty ranges.
293
294 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
295
296         PR middle-end/35705
297         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
298         the expression is a function address.
299
300 2008-04-01  George Helffrich  <george@gcc.gnu.org>
301
302         PR fortran/PR35154, fortran/PR23057
303         * fortran/trans-common.c (create_common):  Add decl to function
304         chain to preserve identifier scope in debug output.
305
306         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
307         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
308         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
309         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
310         in common.
311         (dbxout_syms): Check for COMMON-based symbol and wrap in
312         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
313         in bracket for efficiency.
314
315         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
316         using DW_TAG_common_block + member offset.
317         (add_pubname_string): New function.
318         (dw_expand_expr): New function to find block name and offset for
319         COMMON var.
320         (common_check): New function to check whether symbol in Fortran COMMON.
321         (gen_variable_die): If COMMON, use DW_TAG_common_block.
322
323         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
324         use of common is unchanged.
325
326         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
327         with all combinations of debug options available on target.
328         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
329         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
330         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
331         .stabs functionality.
332         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
333         DWARF functionality.
334
335 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
336
337         PR c/35436
338         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
339
340 2008-04-02  Ben Elliston  <bje@au.ibm.com>
341
342         * config/v850/v850.md (casesi): Remove if (0) code.
343         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
344         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
345
346 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
347
348         * config/i386/i386.md (rex64suffix): New mode attribute.
349         (floathi<mode>2): Disable expander for SSE math.
350         (*floathi<mode>2_1): New insn insn_and_split pattern.
351         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
352         corresponding post-reload splitters.
353         (*floathi<mode>2_i387): New macroized insn pattern.
354         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
355         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
356         insn_and_split pattern.
357         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
358         New macroized instruction patterns and corresponding post-reload
359         splitters.
360         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
361         and corresponding post-reload splitters.
362         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
363         New macroized instruction patterns.
364         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
365         macroized instruction patterns and corresponding post-reload splitters.
366         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
367         corresponding post-reload splitters.
368         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
369         New macroized instruction patterns.
370         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
371         corresponding post-reload splitters.
372         (*floatsi<mode>2_i387): New macroized instruction patterns.
373
374 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
375
376         * config/i386/i386.md (smaxmin): New.
377         (umaxmin): Likewise.
378         (maxminiprefix): Likewise.
379         (maxminfprefix): Likewise.
380         (<code><mode>3): Likewise.
381         (smin<mode>3): Removed.
382         (smax<mode>3): Likewise.
383
384         * config/i386/mmx.md (mmx_<code>v2sf3): New.
385         (mmx_<code>v4hi3): Likewise.
386         (mmx_<code>v8qi3): Likewise.
387         (mmx_smaxv2sf3): Removed.
388         (mmx_sminv2sf3): Likewise.
389         (mmx_umaxv8qi3): Likewise.
390         (mmx_smaxv4hi3): Likewise.
391         (mmx_uminv8qi3): Likewise.
392         (mmx_sminv4hi3): Likewise.
393
394         * config/i386/sse.md (<addsub><mode>3): New.
395         (*<addsub><mode>3): Likewise.
396         (<sse>_vm<addsub><mode>3): Likewise.
397         (<maxmin><mode>3): Likewise.
398         (*<maxmin><mode>3_finite): Likewise.
399         (*<maxmin><mode>3): Likewise.
400         (<sse>_vm<maxmin><mode>3): Likewise.
401         (sse3_h<addsub>v4sf3): Likewise.
402         (sse3_h<addsub>v2df3): Likewise.
403         (<maxmin>v16qi3): Likewise.
404         (*<maxmin>v16qi3): Likewise.
405         (<maxmin>v8hi3): Likewise.
406         (*<maxmin>v8hi3): Likewise.
407         (*sse4_1_<maxmin><mode>3): Likewise.
408         (*sse4_1_<maxmin><mode>3): Likewise.
409         (add<mode>3): Removed.
410         (*add<mode>3): Likewise.
411         (<sse>_vmadd<mode>3): Likewise.
412         (sub<mode>3): Likewise.
413         (*sub<mode>3): Likewise.
414         (<sse>_vmsub<mode>3): Likewise.
415         (smin<mode>3): Likewise.
416         (*smin<mode>3_finite): Likewise.
417         (*smin<mode>3): Likewise.
418         (<sse>_vmsmin<mode>3): Likewise.
419         (smax<mode>3): Likewise.
420         (*smax<mode>3_finite): Likewise.
421         (*smax<mode>3): Likewise.
422         (<sse>_vmsmax<mode>3): Likewise.
423         (sse3_haddv4sf3): Likewise.
424         (sse3_haddv2df3): Likewise.
425         (sse3_hsubv4sf3): Likewise.
426         (sse3_hsubv2df3): Likewise.
427         (umaxv16qi3): Likewise.
428         (*umaxv16qi3): Likewise.
429         (smaxv8hi3): Likewise.
430         (*smaxv8hi3): Likewise.
431         (*sse4_1_smax<mode>3): Likewise.
432         (*sse4_1_umax<mode>3): Likewise.
433         (uminv16qi3): Likewise.
434         (*uminv16qi3): Likewise.
435         (sminv8hi3): Likewise.
436         (*sminv8hi3): Likewise.
437         (*sse4_1_smin<mode>3): Likewise.
438         (*sse4_1_umin<mode>3): Likewise.
439
440 2008-04-01  Rafael Espindola  <espindola@google.com>
441
442         * tree-cfg.c (verify_expr): remove in_phi.
443         (verify_stmt): Don't call walk_tree with verify_expr. Use
444         is_gimple_min_invariant instead of is_gimple_val.
445
446 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
447
448         * doc/include/gpl_v3.texi: Update for manpage generation.
449         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
450         gpl.texi.
451         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
452         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
453         gpl_v3.texi instead of gpl.texi.
454         (gpl.pod): New.
455
456 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
457
458         PR pch/13675
459         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
460
461 2008-04-01  Rafael Espindola  <espindola@google.com>
462
463         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
464         (extract_code_and_val_from_cond): Use
465         extract_code_and_val_from_cond_with_ops.
466
467 2008-04-01  Jan Hubicka  <jh@suse.cz>
468
469         * function.c (free_after_compilation): Free epilogue_delay_list.
470         (prepare_function_start): Assert that previous compilation was freed.
471
472 2008-04-01  Jan Hubicka  <jh@suse.cz>
473             Jim Wilson  <wilson@tuliptree.org>
474             Andreas Tobler <andreast@gcc.gnu.org>
475
476         PR middle-end/35781
477         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
478         rtl.emit instead cfun->emit.
479         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
480         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
481
482 2008-04-01  Ben Elliston  <bje@au.ibm.com>
483
484         * doc/c-tree.texi (Function Basics): Fix grammatical error.
485
486 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
487
488         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
489         New options
490         (fprofile-use): Add var flag_profile_use
491         * coverage.c (coverage_begin_output): Do not open a gcno file for
492         output only if -ftest-coverage is set.
493         Do not add getpwd() to gcda file path.
494         (build_gcov_info): Check the new flag
495         flag_profile_datafile_relative_path.
496         (coverage_init): Use profile_data_prefix.
497         Read profile counter only if flag_profile_use is set.
498         * opts.c (common_handle_option): New option fprofile-use=,
499         fprofile-dir=, fprofile-generate=.
500         * toplev.c (profile_data_prefix): New variable definition.
501         * toplev.h (profile_data_prefix): New declaration.
502         * doc/invoke.tex (Option Summary, Optimization Options):
503         Add new options.
504
505 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
506
507         * varasm.c (output_constant_pool_1): In LABEL_REF check,
508         use tmp consistently.
509
510         PR target/35695
511         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
512         * config/ia64/ia64.c (rtx_needs_barrier): Handle
513         UNSPEC_FR_RECIP_APPROX_RES.
514         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
515
516 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
517
518         PR c/35750
519         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
520
521 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
522
523         PR middle-end/30186
524         * fold-const.c (fold_indirect_ref_1): Support accessing non first
525         element of the vector via a pointer.
526
527 2008-03-31  Ian Lance Taylor  <iant@google.com>
528
529         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
530
531 2008-03-31  Jan Hubicka  <jh@suse.cz>
532
533         * builtins.c (expand_builtin_setjmp_receiver): Update call of
534         get_arg_pointer_save_area.
535         * expr.c (init_expr): Just clear out rtl.expr.
536         * function.c (free_after_compilation): Clear out whole RTL structure.
537         (get_func_frame_size): Merge into ...
538         (get_frame_size): ... this one.
539         (assign_stack_local_1): Merge into ...
540         (assign_stack_local): ... this one.
541         (expand_function_end): Update call of get_arg_pointer_save_area.
542         (get_art_pointer_save_area): Remove cfun argument.
543         * function.h (emit_status): regno_pointer_align does not need length
544         attribute. Move x_regno_reg_rtx to ...
545         (regno_reg_rtx): ... new global array.
546         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
547         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
548         apply_args_value, forced_labels, stack_pointer_delta):
549         Update accestors.
550         (struct varasm_status): Move here from varasm.c
551         (struct rtl_data): New. Move here some fields from struct function.
552         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
553         frame_offset, stack_check_probe_note, arg_pointer_save_area,
554         used_temp_slots avail_temp_slots, temp_slot_level,
555         nonlocal_goto_handler_labels): Update accesstors.
556         (rtl): New global variable.
557         (struct function): Move some fileds to rtl_data.
558         (get_arg_pointer_save_area): Update prototype.
559         * emit-rtl.c (rtl): Declare.
560         (regno_reg_rtx): Declare.
561         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
562         Update.
563         (gen_reg_rtx): Update.
564         (init_virtual_regs): Do not tate emit_status argument.
565         (init_emit): Do not allocate emit.
566         * varasm.c (varasm_statuc): Move to function.h.
567         (n_deferred_constatns): Update accestor.
568         (init_varasm_status): Do not allocate varasm_status.
569         (force_const_mem, get_pool_size, output_constant_pool): Update.
570         * stmt.c (force_label_rtx): Do not use x_ prefixes.
571         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
572
573 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
574
575         PR rtl-optimization/35729
576         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
577         references.
578
579 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
580
581         PR target/32000
582         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
583         load/store if memory is unaligned.
584         (*movti_rex64): Likewise.
585
586         * config/i386/predicates.md (misaligned_operand): New.
587
588 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
589
590         PR tree-opt/35431
591         * tree-ssa-phiopt.c (conditional_replacement): Return early for
592         complex types.
593
594 2008-03-31  Jan Beulich  <jbeulich@novell.com>
595
596         * config/ia64/constraints.md: Add 'j' constraint.
597         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
598         (movdi_internal): Likewise.
599
600 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
601
602         PR c/35748
603         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
604
605 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
606
607         PR target/35757
608         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
609         proper error message for the third argument on blendpd and
610         blendps.
611
612         * config/i386/sse.md (blendbits): New.
613         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
614
615 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
616
617         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
618
619 2008-03-30  Richard Guenther  <rguenther@suse.de>
620
621         PR middle-end/31023
622         * fold-const.c (fold_sign_changed_comparison): Do leave
623         conversions to base-types alone.
624
625 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
626
627         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
628         the link register if one altivec register is be saved.
629
630 2008-03-30  Ben Elliston  <bje@au.ibm.com>
631
632         * final.c (final_scan_insn): Remove if (0) code.
633
634 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
635
636         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
637
638 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
639
640         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
641         of V4SFmode to ix86_binary_operator_ok.
642
643 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
644
645         * config/i386/i386.c (override_options): Initialize
646         ix86_veclib_handler to ix86_veclibabi_svml when
647         -mveclibabi=svml is used.
648         (ix86_veclibabi_svml): New function for SVML ABI style
649         vectorization support.
650         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
651
652 2008-03-28  Rafael Espindola  <espindola@google.com>
653
654         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
655         (tree_binary_nonnegative_warnv_p): Make it public.
656         (tree_single_nonnegative_warnv_p): Make it public.
657         (tree_invalid_nonnegative_warnv_p): Make it public.
658         (tree_unary_nonzero_warnv_p): Make it public.
659         (tree_binary_nonzero_warnv_p): Make it public
660         (tree_single_nonzero_warnv_p): Make it public.
661         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
662         (extract_range_from_binary_expr): Split the expr argument.
663         (extract_range_from_unary_expr): Split the expr argument.
664         (extract_range_from_comparison): Split the expr argument.
665         (extract_range_from_expr): Use the new aux functions.
666         (vrp_evaluate_conditional_warnv): Use
667         vrp_evaluate_conditional_warnv_with_ops.
668         * tree.h (tree_unary_nonzero_warnv_p): Declare.
669         (tree_binary_nonzero_warnv_p): Declare.
670         (tree_single_nonzero_warnv_p): Declare.
671         (tree_expr_nonzero_warnv_p): Declare.
672         (tree_unary_nonnegative_warnv_p): Declare.
673         (tree_binary_nonnegative_warnv_p): Declare.
674         (tree_single_nonnegative_warnv_p): Declare.
675         (tree_invalid_nonnegative_warnv_p): Declare.
676
677 2008-03-28  Richard Guenther  <rguenther@suse.de>
678
679         PR tree-optimization/30317
680         PR tree-optimization/30911
681         PR tree-optimization/34793
682         * tree-vrp.c (set_and_canonicalize_value_range): New function.
683         (struct assert_locus_d): New member EXPR.
684         (register_new_assert_for): Add EXPR parameter to support
685         ASSERT_EXPR <name, expr OP limit>.
686         (register_edge_assert_for_1): Adjust callers.
687         (find_assert_locations): Likewise.
688         (process_assert_insertions_for): Build condition from expression.
689         (extract_range_from_assert): Handle ASSERT_EXPRs
690         of the form ASSERT_EXPR <name, expr OP limit>.
691         (register_edge_assert_for_2): New helper registering
692         asserts for comparisons.  Recognize range tests of the form
693         (unsigned)i - CST1 OP CST2.
694         (register_edge_assert_for_1): Use it.
695         (register_edge_assert_for): Likewise.
696         (needs_overflow_infinity): Integer sub-types
697         do not need overflow infinities.
698         (vrp_val_is_max): The extreme values of integer sub-types
699         are those of the base type.
700         (vrp_val_is_min): Likewise.
701         * tree.def (ASSERT_EXPR): Document extra allowed conditional
702         expressions.
703
704 2008-03-28  Nick Clifton  <nickc@redhat.com>
705
706         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
707         Return GENERAL_REGS for stack adjustment reloads.
708
709 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
710
711         PR target/31334
712         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
713         const_vector when all the vectors are constant.
714
715 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
716
717         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
718         comparisons.
719         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
720         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
721         (scc_sf): New.
722         (s<code>_sf): Use new scc_sf attribute for opcode names.
723
724 2008-03-27  Tom Tromey  <tromey@redhat.com>
725
726         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
727         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
728         config/spu/t-spu-elf, config/i386/t-interix,
729         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
730         config/i386/x-darwin, config/i386/x-mingw32,
731         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
732         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
733         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
734         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
735         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
736         config/rs6000/x-darwin, config/rs6000/t-rs6000,
737         config/score/t-score-elf, config/arm/t-strongarm-pe,
738         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
739         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
740         Revert automatic dependency patch.
741
742 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
743
744         PR target/35657
745         * config/i386/i386.c (ix86_function_arg_boundary): Align
746         decimal floating point to its natural boundary.
747
748 2008-03-27  Richard Guenther  <rguenther@suse.de>
749
750         PR middle-end/35716
751         * fold-const.c (fold_comparison): Restrict distinct decl
752         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
753         solely rely on operand_equal_p.
754
755 2008-03-27  Richard Guenther  <rguenther@suse.de>
756
757         PR c/32511
758         * c-common.c (handle_weak_attribute): Reject combination of
759         weak and inline.
760
761 2008-03-27  Richard Guenther  <rguenther@suse.de>
762
763         PR tree-optimization/32810
764         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
765         conversions from DECL_INITIAL.
766         (fold_const_aggregate_ref): Likewise from constructor elements.
767
768 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
769
770         * tree-affine.h (aff_combination_expand): Declare.
771         (get_inner_reference_aff): Likewise.
772         * tree-affine.c (aff_combination_expand): Split out from
773         tree_to_aff_combination_expand.
774         (get_inner_reference_aff): New function.
775         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
776         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
777         (struct lim_aux_data): sm_done field removed.
778         (mem_ref_loc_p, mem_ref_locs_p): New types.
779         (struct mem_ref): Added id, stored, accesses_in_loop,
780         indep_loop, dep_loop, indep_ref, dep_ref fields.
781         Removed is_stored, locs and next fields.
782         (memory_accesses): New variable.
783         (movement_possibility): Do not allow moving statements
784         that store to memory.
785         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
786         New functions.
787         (determine_max_movement): For statements with memory references,
788         find the outermost loop in that the reference is independent.
789         (move_computations_stmt): Mark the virtual operands for renaming.
790         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
791         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
792         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
793         add_vop_ref_mapping, create_vop_ref_mapping_loop,
794         create_vop_ref_mapping, analyze_memory_references,
795         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
796         get_all_locs_in_loop, ref_always_accessed_p,
797         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
798         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
799         store_motion_loop, store_motion): New functions.
800         (struct vop_to_refs_elt): New type.
801         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
802         memref_hash, memref_eq, hoist_memory_references): Rewritten.
803         (schedule_sm): Replaced by...
804         (execute_sm): ... this.
805         (determine_lsm_ref, hoist_memory_references,
806         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
807         find_more_ref_vops, free_mem_ref, free_mem_refs,
808         determine_lsm_loop, determine_lsm): Removed.
809         (tree_ssa_lim_finalize): Free data structures used by store motion.
810         (tree_ssa_lim): Call analyze_memory_references.  Use
811         store_motion instead of determine_lsm.
812
813 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
814
815         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
816         rename tmake_file to m68hc11/t-m68hc11.
817         (mcore): Set inhibit_libc to true.
818         * config.host (alpha*-dec-*vms*): Set extra_programs.
819         (interix3*): Don't use host_xmake_file.
820         * configure.ac: Let config.gcc override inhibit_libc.
821         * configure: Regenerate.
822
823         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
824         * config/t-openbsd-thread: Remove commented out lines.
825         
826         * config/x-interix: Remove.
827
828         * config/m68hc11/t-m68hc11-gas: Rename to...
829         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
830
831         * config/mcore/t-mcore: Remove T_CFLAGS.
832         * config/mcore/t-mcore-pe: Likewise.
833
834 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
835
836         * configure.ac: Replace custom __GNU_SOURCE test with
837         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
838         * aclocal.m4: Regenerate.
839         * configure: Regenerate.
840         * config.in: Regenerate.
841
842 2008-03-27  Richard Guenther  <rguenther@suse.de>
843
844         * fold-const.c (target.h): Include.
845         (fold_comparison): Fold comparison of addresses of decls
846         that bind locally or of constants.  Consolidate address folding code.
847         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
848         results from fold_binary_to_constant.
849         (compare_values_warnv): Likewise.
850
851 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
852
853         PR middle-end/35429
854         * fold-const.c (fold_truthop): Check for integeral types when folding
855         a == 0 && b == 0 and a != 0 || b != 0 .
856
857 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
858
859         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
860
861 2008-03-26  Andreas Schwab  <schwab@suse.de>
862
863         * doc/invoke.texi: Fix use of @item vs. @itemx.
864
865 2008-03-26  Tom Tromey  <tromey@redhat.com>
866
867         * Makefile.in (build/gensupport.o, build/print-rtl.o,
868         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
869         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
870         build/gencodes.o, build/genconditions.o, build/genconfig.o,
871         build/genconstants.o, build/genemit.o, build/genextract.o,
872         build/genflags.o, build/genmddeps.o, build/genopinit.o,
873         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
874         options.h.
875
876 2008-03-26  Richard Guenther  <rguenther@suse.de>
877
878         Revert
879         2008-03-26  Richard Guenther  <rguenther@suse.de>
880
881         * fold-const.c (target.h): Include.
882         (fold_comparison): Fold comparison of addresses of two decls
883         that bind locally.  Consolidate address folding code.
884
885 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
886
887         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
888         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
889         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
890         dconstsqrt2, dconstthird, dconste and/or dconst10.
891         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
892         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
893         dconstsqrt2, dconste): Delete.
894         (init_emit_once): Likewise.  Simplify initializing dconstm1.
895         Constify variable.
896         * real.c (get_real_const): New.
897         * real.h (dconst3, dconst10, dconstm2, dconstthird,
898         dconstsqrt2, dconste): Delete.
899         (real_value_const, get_real_const): New.
900
901 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
902
903         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
904
905         * config/i386/i386.c (ix86_function_arg_boundary): Check
906         BIGGEST_ALIGNMENT instead of 128.
907         (setup_incoming_varargs_64): Likewise.
908
909 2008-03-26  Tom Tromey  <tromey@redhat.com>
910
911         * Makefile.in (DEPFILES): Add missing '/'.
912
913 2008-03-26  Richard Guenther  <rguenther@suse.de>
914
915         * fold-const.c (target.h): Include.
916         (fold_comparison): Fold comparison of addresses of two decls
917         that bind locally.  Consolidate address folding code.
918
919 2008-03-26  Nick Clifton  <nickc@redhat.com>
920
921         PR target/31232
922         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
923         not allow INT+INT as a legitimate addressing mode.
924
925 2008-03-26  Richard Guenther  <rguenther@suse.de>
926
927         * tree-flow.h (widen_bitfield): Remove declaration.
928         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
929         (widen_bitfield): Remove function.
930         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
931         code.
932
933 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
934
935         PR target/31558
936         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
937         error_mark_node's.
938
939 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
940
941         PR rtl-optimization/35232
942         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
943         (forget_old_reloads_1, forget_marked_reloads): Don't clear
944         reg_reloaded_call_part_clobbered here.
945         (reload_regs_reach_end_p): New function.
946         (reload_reg_rtx_for_input): New variable.
947         (reload_reg_rtx_for_output): Likewise.
948         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
949         when reassigning a pseudo register.  Load reloadreg from 
950         reload_reg_rtx_for_input, moving the mode and register
951         calculation to...
952         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
953         instead of the original when deciding whether an input reload
954         would be a no-op or whether an output reload can be deleted.
955         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
956         when setting up new_spill_reg_store.  Load it from
957         reload_reg_rtx_for_output, moving the mode and register
958         calculation to...
959         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
960         instead of the original when deciding whether an output reload
961         would be a no-op.  Do the same when modifying insn notes.
962         Use rtx_equal_p instead of == to compare the registers.
963         (inherit_piecemeal_p): Take a mode and two register numbers
964         as argument.
965         (emit_reload_insns): Clear new_spill_reg_store for every hard
966         register in the reload register.  Remove spill registers
967         from reg_reloaded_valid before considering whether to record
968         inheritance information for them.  Use reload_reg_rtx_for_output
969         instead of reg_rtx when recording output reloads.  Use
970         reload_reg_rtx_for_input instead of reg_rtx when recording
971         input reloads.  Set or clear reg_reloaded_call_part_clobbered
972         at the same time as setting reg_reloaded_valid.
973         (delete_output_reload): Add a new_reload_reg parameter and use it
974         instead of rld[j].reg_rtx.
975         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
976         calls accordingly.
977
978 2008-03-25  Tom Tromey  <tromey@redhat.com>
979
980         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
981         (build/genattr.o): Likewise.
982         (build/genattrtab.o): Likewise.
983         (build/gencodes.o): Likewise.
984         (build/genconfig.o): Likewise.
985         (build/genconstants.o): Likewise.
986         (build/genemit.o): Likewise.
987         (build/genextract.o): Likewise.
988         (build/genflags.o): Likewise.
989
990 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
991         
992         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
993         instead of size_int for integer types.
994         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
995         to match type of MINUS_EXPR.
996         
997 2008-03-25  Tom Tromey  <tromey@redhat.com>
998
999         * configure: Rebuilt.
1000         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1001         Makefile.
1002
1003 2008-03-25  Tom Tromey  <tromey@redhat.com>
1004
1005         * config/x-solaris (host-solaris.o): Update.
1006         * config/x-linux (host-linux.o): Update.
1007         * config/x-hpux (host-hpux.o): Update.
1008         * config/x-darwin (host-darwin.o): Update.
1009         * config/v850/t-v850e (v850-c.o): Update.
1010         * config/v850/t-v850 (v850-c.o): Update.
1011         * config/t-vxworks (vxworks.o): Update.
1012         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1013         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1014         * config/spu/t-spu-elf (spu-c.o): Update.
1015         (spu.o): Remove.
1016         * config/sh/t-symbian (sh-c.o): Update.
1017         (symbian.o): Update.
1018         * config/sh/t-sh (sh-c.o): Update.
1019         * config/score/t-score-elf (score7.o, score3.o): Update.
1020         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1021         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1022         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1023         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1024         (rs6000.o): Remove.
1025         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1026         * config/m32c/t-m32c (m32c-pragma.o): Update.
1027         * config/ia64/t-ia64 (ia64-c.o): Update.
1028         * config/i386/x-mingw32 (host-mingw32.o): Update.
1029         * config/i386/x-i386 (driver-i386.o): Update.
1030         * config/i386/x-darwin (host-i386-darwin.o): Update.
1031         * config/i386/x-cygwin (host-cygwin.o): Update.
1032         * config/i386/t-nwld (nwld.o): Update.
1033         * config/i386/t-netware (netware.o): Update.
1034         * config/i386/t-interix (winnt.o): Update.
1035         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1036         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1037         msformat-c.o): Update.
1038         * config/bfin/t-bfin-linux (generated_files): Add
1039         linux-sysroot-suffix.h.
1040         * config/arm/t-wince-pe (pe.o): Update.
1041         * config/arm/t-strongarm-pe (pe.o): Update.
1042         * config/arm/t-pe (pe.o): Update.
1043         * config/arm/t-arm (arm-c.o): Update.
1044         * doc/install.texi (Prerequisites): Require make 3.80.
1045         * Makefile.in: Remove .o targets.
1046         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1047         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1048         (simple_generated_h, simple_generated_c): Move earlier.
1049         (generated_files): New variable.
1050         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1051         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1052         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1053         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1054         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1055         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1056         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1057         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1058         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1059         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1060         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1061         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1062         (.c.o): Remove.
1063         (COMPILE.base, COMPILE): New variables.
1064         (%.o): New pattern rule.
1065         (ALL_HOST_OBJS): New variable.
1066         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1067         (dummy-checksum.o, cc1-checksum.o): Remove.
1068         (DRIVER_SHLIB): New variable.
1069         (DRIVER_DEFINES): Use it.
1070         (gencondmd.c): Move out of build/.
1071         (s-conditions): Update.
1072         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1073         (ALL_BUILD_OBJS): Likewise.
1074         (build/%.o): Use BUILDCOMPILE.
1075         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1076         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1077         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1078         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1079         build/genconfig.o, build/genconstants.o, build/genemit.o,
1080         build/genextract.o, build/genflags.o, build/genmddeps.o,
1081         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1082         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1083         build/gen-protos.o, build/scan.o, build/fix-header.o,
1084         build/scan-decls.o): Simplify.
1085         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1086         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1087         prefix.o, toplev.o): Reduce to variable setting.
1088         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1089         ($(out_object_file), gcc-options.o): New targets.
1090         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1091         * configure: Rebuilt.
1092         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1093         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1094
1095 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1096
1097         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1098         complain when we hit an error, return ERROR_MARK_NODE.
1099
1100 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1101
1102         * config/sh/constraints.md (Pso, Psz): New constraints.
1103         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1104         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1105
1106 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1107
1108         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1109         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1110
1111 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1112
1113         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1114         (prefetch_sh2a): New.   
1115
1116 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1117             Naveen.H.S  <naveen.hs@kpitcummins.com>
1118
1119         * config/sh/constraints.md (I28): New constraint.
1120         * config/sh/sh.c (broken_move): Add support for movi20s.
1121         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1122
1123 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1124             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1125             Naveen.H.S  <naveen.hs@kpitcummins.com>
1126
1127         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1128         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1129         (print_operand): Handle resbank in %@ operand code.
1130         (sh_encode_section_info): New.
1131         (push_regs): Add conditions for resbank.
1132         (sh_expand_epilogue): Likewise.
1133         (sh_insert_attributes): Likewise.
1134         (sh_attribute_table): Likewise.
1135         (sh_handle_resbank_handler_attribute): New.
1136         (sh2a_handle_function_vector_handler_attribute): New.
1137         (sh2a_is_function_vector_call): New.
1138         (sh2a_get_function_vector_number): New.
1139         (sh2a_function_vector_p): New.
1140         (sh_cfun_resbank_handler_p): New.
1141         * config/sh/sh.md (calli): Emit jsr/n if possible.
1142         (calli_tbr_rel): New.
1143         (calli_pcrel): Emit jsr/n if possible.
1144         (return_i): Emit rts/n if possible.
1145         (call_valuei_tbr_rel): New.
1146         (call_valuei_pcrel): Add condition for SH2A target.
1147         (call_value): Likewise.
1148         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1149         (sh2a_get_function_vector_number): Likewise.
1150         (sh2a_is_function_vector_call): Likewise.
1151         * doc/extend.texi: Document TBR relative addressing of SH2A.
1152         (resbank): Add description for SH2A.
1153
1154 2008-03-24  Richard Guenther  <rguenther@suse.de>
1155
1156         PR c/22371
1157         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1158         pointer assignments change conversions according to middle-end rules.
1159         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1160         * configure.ac: Include type checking in yes.
1161         * configure: Regenerate.
1162
1163 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1164
1165         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1166         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1167         
1168 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1169
1170         * gthr-vxworks.h (UNUSED): Define.
1171
1172 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1173
1174         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1175
1176 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1177
1178         * doc/extend.texi (Function Attributes): Add missing comma in the
1179         example of the "alloc_size" attribute.
1180         
1181 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1182
1183         Revert:
1184         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1187         32bit host.
1188
1189         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1190
1191         PR target/35496
1192         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1193         of the underlying type of a MS bitfield layout to the natural
1194         alignment of the type.
1195
1196         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1197
1198         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1199         to their natural alignment to avoid store forwarding stalls.
1200
1201 2008-03-22  Richard Guenther  <rguenther@suse.de>
1202
1203         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1204         For PHI nodes verify the address is invariant.
1205         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1206         (get_symbol_constant_value): Use is_gimple_min_invariant.
1207         (maybe_fold_stmt_indirect): Likewise.
1208
1209 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1210
1211         PR rtl-optimization/33927
1212         * Makefile.in (dse.o): Depend on $(TM_P_H).
1213         * expr.h (extract_low_bits): Declare.
1214         * expmed.c (extract_low_bits): New function.
1215         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1216         * dse.c: Include tm_p.h.
1217         (find_shift_sequence): Remove the read_reg argument and return the
1218         read value.  Emit the instructions instead of returning them.
1219         Iterate on new_mode rather than calculating it each time.
1220         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1221         source to NEW_MODE and extract_low_bits to convert the shifted
1222         value to READ_MODE.
1223         (replace_read): Allow the load and store to have different mode
1224         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1225         or extraction instructions before trying the replacement.  Update
1226         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1227
1228 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1229
1230         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1231         to their natural alignment to avoid store forwarding stalls.
1232
1233 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1234
1235         PR target/27946
1236         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1237         encouraging but not allowing gprs for input;
1238         change the input constraint to !f#r.
1239         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1240         gprs for output;
1241         change the output constraint to !f#r.
1242
1243 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1244
1245         PR target/13958
1246         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1247         corresponding post-reload splitters.
1248         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1249         when x87 FP math is selected.
1250         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1251         New function prototype.
1252         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1253         unreachable function to ease macroization of insn patterns.
1254
1255 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1256
1257         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1258         reference dumps if ddr is NULL or dependence is unknown.
1259
1260 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1261
1262         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1263         unsigned extension into account.
1264         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1265         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1266         Do computations on a scratch register.
1267
1268 2008-03-21  Richard Guenther  <rguenther@suse.de>
1269
1270         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1271         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1272         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1273         * tree-ssa-dom.c (record_equality): Likewise.
1274         * tree-inline.c (copy_body_r): Likewise.
1275         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1276         TREE_INVARIANT.
1277
1278 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1279
1280         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1281         as 'delete_unused' argument.
1282
1283 2008-03-20  Richard Guenther  <rguenther@suse.de>
1284
1285         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1286         special casing of constant qualifiers.
1287         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1288         care about them in general.
1289         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1290         regardless of their type.
1291         (fold_stmt_r): Forcefully fold *& if we end up with that.
1292
1293 2008-03-20  Paul Brook  <paul@codesourcery.com>
1294
1295         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1296         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1297         linker flags.
1298         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1299         definition.
1300         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1301         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1302
1303 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1304
1305         * common.opt (Wmudflap): New option.
1306         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1307         (mx_register_decls): Likewise.
1308         (mudflap_finish_file): Likewise.
1309         * doc/invoke.texi: Document -Wno-mudflap.
1310
1311 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1312
1313         * c-format.c (replace_format_name_to_system_name): New.
1314         (cmp_attribs): New.
1315         (convert_format_name_to_system_name): New.
1316         (decode_format_attr): Add use of convert_format_name_to_system_name.
1317         (format_types_orig): Add gnu_ prefix to names.
1318         (check_format_info_main): Special treating of \0 escaped names for
1319         supporting multi-character format specifiers as I32, I64.
1320         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1321         (gnu_target_overrides_format_attributes): New.
1322         * c-format.h: Add structure target_ovr_attr to hold
1323         system specific formatter names.
1324         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1325         msformat-c.o file to c_target_objs and cxx_target_objs.
1326         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1327         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1328         (TARGET_N_FORMAT_TYPES): New.
1329         * config/i386/msformat-c.c: New.
1330         * config/i386/t-cygming: Add build rule for msformat-c.o.
1331         * doc/extend.texi: Add new format names gnu_* and ms_* and
1332         further details.
1333         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1334
1335 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1336
1337         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1338         optimizations turned on under -O3.
1339         (ftree-vectorize): Add that the flag is turned on with -O3.
1340
1341 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1342
1343         * regmove.c (try_auto_increment): Fix spelling error in comment.
1344         * final.c (final_scan_insn): Likewise.
1345
1346 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1347
1348         PR target/14552
1349         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1350         allocator preferences for "y" and "r" class registers.
1351         ("*mov<mode>_internal"): Ditto.
1352         ("*movv2sf_internal_rex64"): Ditto.
1353         ("*movv2sf_internal"): Ditto.
1354
1355 2008-03-19  Michael Matz  <matz@suse.de>
1356
1357         PR middle-end/35616
1358         * calls.c (expand_call): Check overlap of arguments with call
1359         address for sibcalls.
1360
1361 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1362
1363         PR target/35496
1364         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1365         of the underlying type of a MS bitfield layout to the natural
1366         alignment of the type.
1367
1368 2008-03-19  Jan Hubicka  <jh@suse.cz>
1369
1370         PR other/35094
1371         * toplev.c (decode_d_option): Handle all CPP flags.
1372         * tree-vrp.c: Update tree_pass descriptors.
1373         * regrename.c: Update tree_pass descriptors.
1374         * fwprop.c: Update tree_pass descriptors.
1375         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1376         * tree-into-ssa.c: Update tree_pass descriptors.
1377         * tree-dump.c: Update tree_pass descriptors.
1378         * tree-complex.c: Update tree_pass descriptors.
1379         * tree-dump.h: Update tree_pass descriptors.
1380         * see.c: Update tree_pass descriptors.
1381         * cgraphbuild.c: Update tree_pass descriptors.
1382         * tracer.c: Update tree_pass descriptors.
1383         * tree-loop-distribution.c: Update tree_pass descriptors.
1384         * cgraph.c: Update tree_pass descriptors.
1385         * postreload-gcse.c: Update tree_pass descriptors.
1386         * postreload.c: Update tree_pass descriptors.
1387         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1388         * tree-tailcall.c: Update tree_pass descriptors.
1389         * tree-pass.h (tree_opt_pass): Rename to ...
1390         (opt_pass) ... this one; add "type" field and remove letter field.
1391         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1392         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1393         all_lowering_passes): Update declaration.
1394         * ipa-cp.c: Update tree_pass descriptors.
1395         * final.c: Update tree_pass descriptors.
1396         * omp-low.c: Update tree_pass descriptors.
1397         * tree-ssa-dse.c: Update tree_pass descriptors.
1398         * ipa-reference.c: Update tree_pass descriptors.
1399         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1400         * auto-inc-dec.c: Update tree_pass descriptors.
1401         * reorg.c: Update tree_pass descriptors.
1402         * cgraphunit.c: Update tree_pass descriptors.
1403         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1404         * tree-ssa-ccp.c: Update tree_pass descriptors.
1405         * df-core.c: Update tree_pass descriptors.
1406         * mode-switching.c: Update tree_pass descriptors.
1407         * tree-nomudflap.c: Update tree_pass descriptors.
1408         * modulo-sched.c: Update tree_pass descriptors.
1409         * ipa-pure-const.c: Update tree_pass descriptors.
1410         * cse.c: Update tree_pass descriptors.
1411         * web.c: Update tree_pass descriptors.
1412         * tree-stdarg.c: Update tree_pass descriptors.
1413         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1414         * tree-ssa-dom.c: Update tree_pass descriptors.
1415         * tree-nrv.c: Update tree_pass descriptors.
1416         * tree-ssa-alias.c: Update tree_pass descriptors.
1417         * loop-init.c: Update tree_pass descriptors.
1418         * gimple-low.c: Update tree_pass descriptors.
1419         * ipa-inline.c: Update tree_pass descriptors.
1420         * tree-ssa-sink.c: Update tree_pass descriptors.
1421         * global.c: Update tree_pass descriptors.
1422         * ifcvt.c: Update tree_pass descriptors.
1423         * jump.c: Update tree_pass descriptors.
1424         * predict.c: Update tree_pass descriptors.
1425         * tree-ssa-loop.c: Update tree_pass descriptors.
1426         * recog.c: Update tree_pass descriptors.
1427         * dse.c: Update tree_pass descriptors.
1428         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1429         * tree-eh.c: Update tree_pass descriptors.
1430         * regmove.c: Update tree_pass descriptors.
1431         * local-alloc.c
1432         * function.c: Update tree_pass descriptors.
1433         * tree-vectorizer.c: Update tree_pass descriptors.
1434         * gcse.c: Update tree_pass descriptors.
1435         * ipa-type-escape.c: Update tree_pass descriptors.
1436         * tree-if-conv.c: Update tree_pass descriptors.
1437         * init-regs.c: Update tree_pass descriptors.
1438         * ipa.c: Update tree_pass descriptors.
1439         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1440         * rtl-factoring.c: Update tree_pass descriptors.
1441         * lower-subreg.c: Update tree_pass descriptors.
1442         * bt-load.c: Update tree_pass descriptors.
1443         * tree-dfa.c: Update tree_pass descriptors.
1444         * except.c: Update tree_pass descriptors.
1445         * emit-rtl.c: Update tree_pass descriptors.
1446         * cfgexpand.c: Update tree_pass descriptors.
1447         * tree-cfgcleanup.c: Update tree_pass descriptors.
1448         * cfgcleanup.c: Update tree_pass descriptors.
1449         * tree-ssa-pre.c: Update tree_pass descriptors.
1450         * tree-sra.c: Update tree_pass descriptors.
1451         * tree-mudflap.c: Update tree_pass descriptors.
1452         * tree-ssa-copy.c: Update tree_pass descriptors.
1453         * cfglayout.c: Update tree_pass descriptors.
1454         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1455         * tree-ssa-dce.c: Update tree_pass descriptors.
1456         * tree-ssa.c: Update tree_pass descriptors.
1457         * regclass.c: Update tree_pass descriptors.
1458         * integrate.c: Update tree_pass descriptors.
1459         * tree-optimize.c: Update tree_pass descriptors.
1460         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1461         * tree-object-size.c: Update tree_pass descriptors.
1462         * combine.c: Update tree_pass descriptors.
1463         * tree-outof-ssa.c: Update tree_pass descriptors.
1464         * bb-reorder.c: Update tree_pass descriptors.
1465         * stack-ptr-mod.c: Update tree_pass descriptors.
1466         * var-tracking.c: Update tree_pass descriptors.
1467         * tree-profile.c: Update tree_pass descriptors.
1468         * tree-vect-generic.c: Update tree_pass descriptors.
1469         * reg-stack.c: Update tree_pass descriptors.
1470         * sched-rgn.c: Update tree_pass descriptors.
1471         * tree-ssa-structalias.c: Update tree_pass descriptors.
1472         * tree-cfg.c: Update tree_pass descriptors.
1473         * passes.c (current_pass): Update declaration.
1474         (finish_optimization_passes): Update.
1475         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1476         (register_one_dump_file, register_dump_files_1, next_pass_1):
1477         Update arguments.
1478         (init_optimization_passes): Update handling of new types.
1479         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1480         * ipa-struct-reorg.c: Update tree_pass descriptors.
1481         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1482         * combine-stack-adj.c: Update tree_pass descriptors.
1483         * cfgrtl.c: Update tree_pass descriptors.
1484         * dce.c: Update tree_pass descriptors.
1485         * tree-ssanames.c: Update tree_pass descriptors.
1486
1487 2008-03-19  Richard Guenther  <rguenther@suse.de>
1488
1489         PR middle-end/35609
1490         * tree-ssa.c (walk_data): New structure.
1491         (warn_uninitialized_var): If not always_executed warn with "maybe"
1492         instead of "is".
1493         (execute_early_warn_uninitialized): Compute post-dominators.
1494         Initialize always_executed before processing each basic block.
1495
1496 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1497
1498         PR target/35504
1499         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1500         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1501
1502 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1503
1504         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1505
1506 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1507
1508         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1509         is true.
1510         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1511         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1512         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1513         target after ignore has been set, and move there also the commputation
1514         of subtarget and original_target.
1515         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1516         (LANG_HOOKS_INITIALIZER): Remove it.
1517         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1518
1519 2008-03-18  Richard Guenther  <rguenther@suse.de>
1520
1521         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1522         found an expression with constants, note that in the VN for the lhs.
1523         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1524         fold them to constants if possible.  Run cleanup_cfg if done so.
1525         (execute_pre): Return todo.
1526         (do_pre): Likewise.
1527         (execute_fre): Likewise.
1528         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1529         of constants.
1530         (get_prop_source_stmt): Look through pointer conversions.
1531
1532 2008-03-18  Jan Hubicka  <jh@suse.cz>
1533
1534         * tree-pretty-print.c: Include predict.h.
1535         (dump_generic_node): Dump predictor.
1536         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1537         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1538         * gimple-low.c (lower_stmt): Likewise.
1539         * expr.c (expand_expr_real): Likewise.
1540         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1541         them.
1542         (build_predict_expr, build_predict_expr): New.
1543         * predict.h (predictor_name, build_predict_expr): Update.
1544         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1545         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1546         * predict.def (PRED_CONTINUE): Update hitrate.
1547         * tree.def (PREDICT_EXPR): Define.
1548         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1549         do not handle BIND_EXPR.
1550         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1551         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1552         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1553         operands.
1554
1555 2008-03-18  Michael Matz  <matz@suse.de>
1556
1557         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1558
1559 2008-03-18  Richard Guenther  <rguenther@suse.de>
1560
1561         * tree-gimple.h (is_gimple_invariant_address): Declare.
1562         (is_gimple_constant): Likewise.
1563         * tree-gimple.c (is_gimple_constant): New function.
1564         (is_gimple_invariant_address): Likewise.
1565         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1566         and is_gimple_invariant_address.
1567         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1568         previous change.
1569         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1570         an addressable base.
1571
1572 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1573
1574         PR middle-end/35611
1575         * gimplify.c (gimplify_expr): Gimplify second operand of
1576         OMP_ATOMIC_LOAD.
1577
1578 2008-03-17  Richard Guenther  <rguenther@suse.de>
1579
1580         PR tree-optimization/19637
1581         * fold-const.c (fold_unary): Remove restrictions of removing
1582         intermediate pointer-conversions (P2)(P1)P0.
1583         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1584         conversion to void pointer.
1585         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1586
1587 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1588
1589         PR debug/31510
1590         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1591         emulated thread local variables.
1592
1593 2008-03-16  Richard Guenther  <rguenther@suse.de>
1594
1595         PR middle-end/35607
1596         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1597         expand TREE_INVARIANT operations that are not gimple invariant.
1598
1599 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1600
1601         * doc/extend.texi (Alignment): Say that the ABI controls
1602         the __alignof__ for non-strict-alignment targets rather
1603         than being a recommendation.
1604
1605 2008-03-15  Paul Brook  <paul@codesourcery.com>
1606
1607         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1608         annotations.
1609         (arm_output_fn_unwind): Mark functions that can not be unwound.
1610
1611 2008-03-15  Paul Brook  <paul@codesourcery.com>
1612
1613         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1614         extension instructions.
1615
1616 2008-03-15  Richard Guenther  <rguenther@suse.de>
1617
1618         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1619         and fold constant aggregate refs.
1620         (fold_const_aggregate_ref): Handle string constants
1621         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1622         (evaluate_stmt): Simplify now that ccp_fold folds constant
1623         aggregate refs.
1624
1625 2008-03-15  Paul Brook  <paul@codesourcery.com>
1626
1627         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1628         (extzv): Use gen_extzv_t2.
1629         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1630
1631 2008-03-15  Richard Guenther  <rguenther@suse.de>
1632
1633         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1634         (fold_const_aggregate_ref): Likewise.
1635         (get_value): Return NULL if we don't have any values.
1636         (ccp_finalize): Set const_val to NULL after freeing it.
1637         * tree-flow.h (get_symbol_constant_value): Declare.
1638         (fold_const_aggregate_ref): Likewise.
1639         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1640
1641 2008-03-15  Richard Guenther  <rguenther@suse.de>
1642
1643         PR middle-end/35593
1644         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1645         to not produce negative array indices if not allowed.  Add
1646         parameter to indicate that.
1647         (maybe_fold_offset_to_component_ref): Allow negative array
1648         indices only for the first member of a structure.
1649         (maybe_fold_offset_to_reference): Allow negative array indices.
1650         (maybe_fold_stmt_addition): Likewise.
1651
1652 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1653             Anatoly Sokolov <aesok@post.ru>
1654
1655         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1656         (avr_arch): Add ARCH_AVR6.
1657         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1658         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1659         instead of fixed value 2.
1660         (print_operand_address): Use gs() asm specifier instead of pm().
1661         (avr_assemble_integer): (Ditto.).
1662         (avr_output_addr_vec_elt): (Ditto.).
1663         (print_operand): Handle "!" code.
1664         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1665         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1666         (AVR_HAVE_EIJMP_EICALL): Define.
1667         (AVR_3_BYTE_PC): Redefine.
1668         (AVR_2_BYTE_PC): (Ditto.).
1669         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1670         (LINK_SPEC): Add atmega2560 and atmega2561.
1671         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1672         (crtm2561.o).
1673         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1674         for 3 byte PC devices.
1675         (call_value_insn): (Ditto.).
1676         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1677         (indirect_jump): Use only for for 2 byte PC devices.
1678         (*tablejump): (Ditto.).
1679         (*indirect_jump_avr6): Add insn.
1680         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1681         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1682         instead of ijmp for 3 byte PC devices.
1683         (__tablejump2__): (Ditto.).
1684         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1685         (MULITLIB_DIRNAMES): (Ditto.). 
1686         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1687
1688 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1689
1690         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1691         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1692         ("mmx_psadbw"): Use V1DI mode for operand 0.
1693         * config/i386/i386-modes.def (V1SI): New vector mode.
1694         * config/i386/i386.c (struct builtin_description)
1695         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1696         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1697         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1698         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1699         v1di_ftype_v8qi_v8qi type.
1700         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1701
1702         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1703         __builtin_ia32_pmuludq]: Fix the mode of return value.
1704
1705 2008-03-15  Richard Guenther  <rguenther@suse.de>
1706
1707         PR middle-end/35595
1708         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1709         being a PHI_NODE.
1710
1711 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1712         
1713         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1714         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1715         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1716         unless TARGET_SERIALIZE_VOLATILE is enabled.
1717         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1718         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1719         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1720
1721 2008-03-14  Richard Guenther  <rguenther@suse.de>
1722
1723         PR tree-optimization/34172
1724         * tree-flow.h (refs_may_alias_p): Declare.
1725         (get_single_def_stmt): Likewise.
1726         (get_single_def_stmt_from_phi): Likewise.
1727         (get_single_def_stmt_with_phi): Likewise.
1728         * tree-dfa.c (refs_may_alias_p): New function.
1729         (get_single_def_stmt): Likewise.
1730         (get_single_def_stmt_from_phi): Likewise.
1731         (get_single_def_stmt_with_phi): Likewise.
1732         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1733         (vn_reference_lookup_1): New helper function.
1734         (vn_reference_lookup): Walk the virtual use-def chain to
1735         continue searching for a match if the def does not alias the
1736         reference we are looking for.
1737
1738 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1739
1740         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1741         archive and Perzl.  Update The Written Word listing.
1742
1743 2008-03-14  Richard Guenther  <rguenther@suse.de>
1744
1745         PR tree-optimization/34043
1746         PR tree-optimization/33989
1747         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1748         when doing FRE.
1749         (bitmap_find_leader): Use extra argument to verify dominance
1750         relationship inside a basic-block.
1751         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1752         (find_leader_in_sets): Adjust.
1753         (create_component_ref_by_pieces): Take extra argument for
1754         dominance check, handle lookup failures.
1755         (find_or_generate_expression): Likewise.
1756         (create_expression_by_pieces): Likewise.
1757         (insert_into_preds_of_block): Adjust.
1758         (create_value_expr_from): If asked for, verify all operands
1759         are in the blocks AVAIL_OUT set.
1760         (make_values_for_stmt): Check for SSA_NAMEs that are life
1761         over an abnormal edge.
1762         (compute_avail): Remove such check.
1763         (do_SCCVN_insertion): New function.
1764         (eliminate): If we do not find a leader suitable for replacement
1765         insert a replacement expression from SCCVN if available.
1766         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1767         (struct vn_ssa_aux): Add needs_insertion flag.
1768         * tree-ssa-sccvn.c (may_insert): New global flag.
1769         (copy_reference_ops_from_ref): Value-number union member access
1770         based on its size, not type and member if insertion is allowed.
1771         (visit_reference_op_load): For a weak match from union type
1772         punning lookup a view-converted value and insert a SSA_NAME
1773         for that value if that is not found.
1774         (visit_use): Make dumps shorter.  Do not disallow value numbering
1775         SSA_NAMEs that are life over an abnormal edge to constants.
1776         (free_scc_vn): Release inserted SSA_NAMEs.
1777         (run_scc_vn): New flag to specify whether insertion is allowed.
1778         Process SSA_NAMEs in forward order.
1779         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1780         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1781         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1782         pointer type to/from integral types that do not change the
1783         precision to regular conversions.
1784
1785 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1786
1787         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1788         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1789         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1790         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1791         input arguments and the mode of return value.  Built-in functions
1792         that operate on whole 64-bit MMX register now use V1DI mode.
1793
1794 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1795             Olga Golovanevsky  <olga@il.ibm.com>
1796
1797         PR tree-optimization/35041
1798         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1799         to locate the right position in a statement.
1800
1801 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1802
1803         PR target/34000
1804         PR target/35553
1805         * config/i386/xmmintrin.h:  Change all static inline functions to
1806         extern inline and add __gnu_inline__ attribute.
1807         * config/i386/bmintrin.h: Ditto.
1808         * config/i386/smmintrin.h: Ditto.
1809         * config/i386/tmmintrin.h: Ditto.
1810         * config/i386/mmintrin-common.h: Ditto.
1811         * config/i386/ammintrin.h: Ditto.
1812         * config/i386/emmintrin.h: Ditto.
1813         * config/i386/pmmintrin.h: Ditto.
1814         * config/i386/mmintrin.h: Ditto.
1815         * config/i386/mm3dnow.h: Ditto.
1816
1817 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1818
1819         PR middle-end/35185
1820         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1821         (lower_omp_2): New function.
1822         (lower_omp_1, lower_omp): Rewritten.
1823
1824 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1825
1826         PR 35054
1827         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1828         with the phrase "Microsoft Windows compilers".
1829         (Push/Pop Macro Pragmas): New subsection. Document
1830         #pragma push_macro and pragma pop_macro.
1831
1832 2008-03-12  Paul Brook  <paul@codesourcery.com>
1833
1834         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1835
1836 2008-03-12  Paul Brook  <paul@codesourcery.com>
1837
1838         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1839         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1840         (thumb2_addsi_shortim): Rename ...
1841         (thumb2_addsi_short): ... to this.  Allow register operands.
1842         (thumb2_subsi_short): New pattern.
1843         (thumb2_one_cmplsi2_short,
1844         thumb2_negsi2_short): New patterns and peepholes.
1845
1846 2008-03-12  Paul Brook  <paul@codesourcery.com>
1847
1848         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1849
1850 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1851
1852         * config/i386/i386.md (int_cond): New code iterator.
1853         (fp_cond): Ditto.
1854         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1855         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1856         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1857         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1858         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1859         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1860         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1861         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1862
1863 2008-03-12  Paul Brook  <paul@codesourcery.com>
1864
1865         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1866         instead of {arm,thumb}_compute_save_reg_mask.
1867         (output_return_instruction): Ditto.
1868         (thumb_unexpanded_epilogue): Ditto.
1869         (thumb1_expand_prologue): Ditto.
1870         (thumb1_output_function_prologue): Ditto.
1871         (arm_set_return_address): Ditto.
1872         (thumb_set_return_address): Ditto.
1873         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1874         regs to achieve stack alignment.
1875         (thumb1_compute_save_reg_mask): Fix compiler warning.
1876         (arm_output_epilogue): Use offsets->saved_regs_mask.
1877         Adjust stack pointer by poping call clobered registers.
1878         (arm_expand_prologue): Use offsets->saved_regs_mask.
1879         Adjust stack pointer by pushing extra registers.
1880         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1881
1882 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1883
1884         PR tree-opt/35422
1885         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1886         conversion to the operands of a multiplication.
1887
1888 2008-03-12  Richard Guenther  <rguenther@suse.de>
1889
1890         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1891         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1892         * timevar.def (TV_TREE_PHIPROP): Add.
1893         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1894         pass description.  Use TV_TREE_PHIPROP.
1895         * tree-ssa-forwprop.c: Remove phiprop code.
1896
1897 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1898
1899         PR middle-end/35549
1900         * omp-low.c (maybe_lookup_decl): Constify first argument.
1901         (use_pointer_for_field): Change last argument from bool to
1902         omp_context *.  Disallow shared copy-in/out in nested
1903         parallel if decl is shared in outer parallel too.
1904         (build_outer_var_ref, scan_sharing_clauses,
1905         lower_rec_input_clauses, lower_copyprivate_clauses,
1906         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1907
1908 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1909             Ira Rosen  <irar@il.ibm.com>
1910
1911         * tree-vectorizer.c (free_stmt_vec_info): New function.
1912         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1913         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1914         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1915         * tree-vect-transform.c (vectorizable_conversion): Free
1916         vec_oprnds0 if it was allocated.
1917         (vect_permute_store_chain): Remove unused VECs.
1918         (vectorizable_store): Free VECs that are allocated in the..
1919         function.
1920         (vect_transform_strided_load, vectorizable_load): Likewise.
1921         (vect_remove_stores): Simplify the code.
1922         (vect_transform_loop): Move code to vect_remove_stores().
1923         Call vect_remove_stores() and free_stmt_vec_info().
1924
1925 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1926
1927         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1928         TARGET_HPUX.  Revise comment.
1929         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1930         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1931         Use sr4 variant of `be' instruction when not generating PIC code.
1932         (attr_length_call): Adjust for above change.
1933
1934 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1935
1936         * ipa-reference.c (static_execute): Remove module_statics_const and
1937         associated setting code.
1938
1939 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1940
1941         PR target/35540
1942         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1943         predicate for operand 1.
1944         (paritysi2_cmp): Use register_operand predicate for operand 2.
1945         Use earlyclobber modifier for operand 1.  Remove support for
1946         memory operands.
1947         (paritydi2_cmp): Use register_operand predicate for operand 3.
1948         Use earlyclobber modifier for operand 1.  Remove support for
1949         memory operands.
1950
1951 2008-03-11  Paul Brook  <paul@codesourcery.com>
1952             Vladimir Prus  <vladimir@codesourcery.com>
1953
1954         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1955         (arm_compute_save_reg0_reg12_mask): Always
1956         check if register 11 must be saved.  Always safe hard frame pointer
1957         when frame_pointer_needeed.
1958         (arm_compute_save_reg_mask): Save IP and PC
1959         only with apcs frames.
1960         (arm_output_epilogue): Adjust Thumb2 codepath to
1961         be also invoked and work for ARM non-apcs frames.
1962         (arm_expand_prologue): Don't bother saving IP
1963         for non-apcs frame, since it's not clobbered by
1964         prologue code.  Implement non-apcs frame
1965         layout.
1966
1967 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1968
1969         PR rtl-optimization/35281
1970         * expr.c (convert_move): Use a new pseudo for the intermediate
1971         from_mode->word_mode result.
1972
1973 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1974
1975         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1976         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1977         * toplev.c (compile_file): Don't call it.
1978
1979 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1980
1981         PR middle-end/35526
1982         * expr.c (store_expr): Call emit_block_move if the mode
1983         of "temp" RTX is BLKmode.
1984
1985 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1986             Richard Guenther  <rguenther@suse.de>
1987
1988         PR tree-optimization/31358
1989         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1990         the step with a NULL_TREE.
1991         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1992         to sizetype if type is a pointer type.
1993         (add_candidate_1): Don't convert the base and step to
1994         the generic type if the orginal type is a pointer type.
1995         (add_iv_value_candidates): Use sizetype for the step
1996         if type is a pointer type.
1997         (cand_value_at): Likewise.
1998         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1999         for pointer types.
2000         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2001         Don't convert the tem affine to the type.
2002         (add_elt_to_tree): Use sizetype for the step if a pointer.
2003         Use POINTER_PLUS_EXPR for pointers.
2004         (aff_combination_to_tree): Use sizetype for the step if a
2005         pointer.
2006
2007 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2008
2009         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2010         Remove commutativity hint.
2011
2012 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2013
2014         PR c/35438
2015         PR c/35439
2016         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2017         errorneous type.  Check that v is a VAR_DECL.
2018
2019         PR middle-end/35099
2020         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2021
2022 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2023
2024         PR tree-optimization/35494
2025         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2026         may be overriden at link and run time.
2027
2028 2008-03-10  Richard Guenther  <rguenther@suse.de>
2029
2030         PR tree-optimization/34677
2031         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2032         (poolify_tree): Likewise.
2033         (modify_expr_template): Likewise.
2034         (poolify_modify_stmt): Likewise.
2035         (insert_fake_stores): Handle all component-ref style stores
2036         in addition to INDIRECT_REF.  Also handle complex types.
2037         Do not poolify the inserted load.
2038         (realify_fake_stores): Do not rebuild the tree but only
2039         make it a SSA_NAME copy.
2040         (init_pre): Remove initialzation of modify_expr_template.
2041         Do not allocate modify_expr_node_pool.
2042         (fini_pre): Do not free modify_expr_node_pool.
2043
2044 2008-03-10  Paul Brook  <paul@codesourcery.com>
2045
2046         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2047         to avoid conflicts.
2048
2049 2008-03-10  Paul Brook  <paul@codesourcery.com>
2050             Mark Shinwell  <shinwell@codesourcery.com>
2051
2052         * config/arm/cortex-r4.md: New.
2053         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2054         insn attributes.
2055         * config/arm/arm.md: Include cortex-r4.md.
2056         (insn): Add smmls, sdiv and udiv values.
2057         (generic_sched): Don't use generic scheduling for Cortex-R4.
2058         (arm_issue_rate): New function.
2059         (TARGET_SCHED_ISSUE_RATE): Define.
2060
2061 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2062
2063         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2064
2065 2008-03-10  Richard Guenther  <rguenther@suse.de>
2066
2067         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2068         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2069
2070 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2071
2072         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2073         Set default to true.
2074
2075 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2076
2077         * c.opt (Wsynth): Deprecate.
2078         * doc/invoke.texi (Option Summary, Warning Options): Document
2079         -Wno-format-contains-nul.
2080
2081 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2082
2083         PR target/35496
2084         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2085         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2086
2087 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2088
2089         * config/rs6000/rs6000.c (builtin_description): Rename vector
2090         left shift operations.
2091         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2092         (altivec_vsl<VI_char>): Rename to ...
2093         (ashl<mode>3): ... new name.
2094         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2095         gen_ashlv4si3.
2096         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2097
2098 2008-03-08  Richard Guenther  <rguenther@suse.de>
2099
2100         * coverage.h (tree_coverage_counter_addr): Declare.
2101         * coverage.c (tree_coverage_counter_addr): New function.
2102         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2103         before using again.
2104         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2105         (tree_gen_one_value_profiler): Likewise.
2106         (tree_gen_ic_profiler): Likewise.
2107         (tree_gen_average_profiler): Likewise.
2108         (tree_gen_ior_profiler): Likewise.
2109
2110 2008-03-08  Richard Guenther  <rguenther@suse.de>
2111
2112         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2113         (vn_binary_op_insert): Likewise.
2114         (vn_unary_op_lookup): Likewise.
2115         (vn_unary_op_insert): Likewise.
2116         (vn_nary_op_lookup): Declare.
2117         (vn_nary_op_insert): Likewise.
2118         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2119         and binary hashes, use a single obstack for unary_op_pool
2120         and binary_op_pool.
2121         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2122         a single struct vn_nary_op_s.  Store tree code length and
2123         a variable number of operands.
2124         (struct vn_reference_op_struct): Remove unused op2.
2125         (vn_reference_op_eq): Do not compare op2.
2126         (vn_reference_op_compute_hash): Do not compute hash of op2.
2127         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2128         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2129         with vn_nary_op_compute_hash.
2130         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2131         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2132         vn_nary_op_lookup.
2133         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2134         vn_nary_op_insert.
2135         (visit_unary_op): Call nary functions.
2136         (visit_binary_op): Likewise.
2137         (process_scc): Adjust for struct vn_tables_s changes.
2138         (allocate_vn_table): Likewise.
2139         (free_vn_table): Likewise.
2140         * tree-vn.c (vn_add): Call nary functions.
2141         (vn_lookup): Likewise.
2142
2143 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2144
2145         PR target/35498
2146         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2147         wdst back after sync_compare_and_swapqhi_internal.
2148
2149 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2150
2151         PR target/22152
2152         * config/i386/i386-modes.def (V1DI): New vector mode.
2153         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2154         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2155         (MMXMODE248): Ditto.
2156         (MMXMODE): Add V1DI mode.
2157         (mmxvecsize): Change DI mode to V1DI mode.
2158         ("mov<mode>): Use MMXMODEI8 mode iterator.
2159         ("*mov<mode>_internal_rex64"): Ditto.
2160         ("*mov<mode>_internal"): Ditto.
2161         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2162         ("mmx_sub<mode>3"): Ditto.
2163         ("mmx_adddi3"): Remove insn pattern.
2164         ("mmx_subdi3"): Ditto.
2165         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2166         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2167         ("mmx_ashl<mode>3"): Ditto.
2168         ("mmx_lshrdi3"): Remove insn pattern.
2169         ("mmx_ashldi3"): Ditto.
2170         * config/i386/i386.c (classify_argument): Handle V1DImode.
2171         (function_arg_advance_32): Ditto.
2172         (function_arg_32): Ditto.
2173         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2174         mmx_addv1di3 insn pattern.
2175         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2176         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2177         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2178         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2179         Remove definitions of built-in functions.
2180         (V1DI_type_node): New node.
2181         (v1di_ftype_v1di_int): Ditto.
2182         (v1di_ftype_v1di_v1di): Ditto.
2183         (v2si_ftype_v2si_si): Ditto.
2184         (v4hi_ftype_v4hi_di): Remove node.
2185         (v2si_ftype_v2si_di): Ditto.
2186         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2187         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2188         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2189         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2190         Add new builtins using def_builtin_const.
2191         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2192         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2193         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2194         * config/i386/mmintrin.h (__v1di): New typedef.
2195         (_mm_add_si64): Cast arguments to __v1di type.
2196         (_mm_sub_si64): Ditto.
2197         (_mm_sll_pi16): Cast __count to __v4hi type.
2198         (_mm_sll_pi32): Cast __count to __v2si type.
2199         (_mm_sll_si64): Cast arguments to __v1di type.
2200         (_mm_srl_pi16): Cast __count to __v4hi type.
2201         (_mm_srl_pi32): Cast __count to __v2si type.
2202         (_mm_srl_si64): Cast arguments to __v1di type.
2203         (_mm_sra_pi16): Cast __count to __v4hi type.
2204         (_mm_sra_pi32): Cast __count to __v2si type.
2205         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2206         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2207         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2208         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2209         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2210         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2211         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2212         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2213         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2214         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2215         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2216         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2217
2218 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2219
2220         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2221
2222 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2223
2224         PR target/35373
2225         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2226         reg+const addressing for Altivec modes.  Don't generate reg+reg
2227         addressing for TFmode or TDmode quantities.
2228
2229 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2230
2231         * c-common.c (vector_types_convertible_p): Call langhook
2232         instead of comptypes.
2233
2234 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2235
2236         PR tree-opt/35402
2237         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2238         integral and scalar float variables which have a
2239         NULL DECL_INITIAL.
2240
2241 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2242
2243         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2244         dwarf_register_span hook when emitting unwind information for
2245         register-to-memory saves.
2246         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2247         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2248
2249 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2250
2251         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2252         for the same VAR_DECL.
2253
2254 2008-03-06  Tom Tromey  <tromey@redhat.com>
2255
2256         * treelang: Delete.
2257         * doc/standards.texi (Standards): Don't mention treelang.
2258         * doc/invoke.texi (Overall Options): Don't mention treelang.
2259         * doc/install.texi (Prerequisites): Don't mention bison or
2260         treelang.
2261         (Configuration): Don't mention treelang.
2262         (Building): Likewise.
2263         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2264
2265 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2266
2267         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2268         word-extractions out of a multi-word object.
2269
2270 2008-03-06  Richard Guenther  <rguenther@suse.de>
2271
2272         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2273         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2274         result type and precision.
2275         * expr.c (get_inner_reference): Set unsignedp based on the result
2276         type of BIT_FIELD_REF.
2277         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2278         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2279         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2280         for BIT_FIELD_REF.
2281         (sra_build_assignment): Likewise.
2282         (sra_build_elt_assignment): Likewise.
2283         (sra_explode_bitfield_assignment): Likewise.
2284         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2285         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2286         set BIT_FIELD_REF_UNSIGNED.
2287         (vectorizable_load): Likewise.
2288
2289 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2290
2291         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2292         at bb start.
2293
2294 2008-03-06  Richard Guenther  <rguenther@suse.de>
2295
2296         * alias.c (struct alias_set_entry): Move has_zero_child field
2297         to pack with alias_set.
2298
2299 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2300
2301         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2302         32bit host.
2303
2304 2008-03-05  Ian Lance Taylor  <iant@google.com>
2305
2306         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2307
2308 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2309
2310         * fwprop.c (update_df): Support width and offset parameters of
2311         df_ref_create.
2312         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2313         global_conflicts): Change DF_REF_EXTRACT to either
2314         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2315         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2316         * df-scan.c (df_ref_record, df_defs_record,
2317         df_ref_create_structure, df_def_record_1, df_uses_record,
2318         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2319         df_bb_refs_collect, df_entry_block_defs_collect,
2320         df_exit_block_uses_collect): Support new width and offset fields.
2321         (ref_extract_pool): New storage pool.
2322         (df_free_ref): New function.
2323         (df_reg_chain_unlink, df_free_collection_rec,
2324         df_sort_and_compress_refs): Call df_free_ref.
2325         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2326         of df_ref_extract.
2327         (df_ref_create_structure): Allocate df_ref_extract if offset and
2328         width fields are used.
2329         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2330         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2331         and SIGN_EXTRACT.
2332         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2333         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2334         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2335         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2336         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2337         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2338         (df_ref_extract): New structure.
2339         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2340         (df_ref_create): Add width and offset parameters.
2341         
2342 2008-03-05  Richard Guenther  <rguenther@suse.de>
2343
2344         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2345         Use ranges_overlap_p.
2346         (offset_overlaps_with_access): Rename
2347         to ranges_overlap_p and move ...
2348         * tree-flow-inline.h (ranges_overlap_p): ... here.
2349
2350         * tree.h (get_inner_reference, handled_component_p): Update
2351         comments.
2352
2353         * tree.h (record_component_aliases, get_alias_set,
2354         alias_sets_conflict_p, alias_sets_must_conflict_p,
2355         objects_must_conflict_p): Move declarations ...
2356         * alias.h (record_component_aliases, get_alias_set,
2357         alias_sets_conflict_p, alias_sets_must_conflict_p,
2358         objects_must_conflict_p): ... here.
2359         Include coretypes.h.
2360         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2361
2362 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2363
2364         * cfg.c: Include tree-flow.h.
2365         (remove_edge_raw): Call redirect_edge_var_map_clear.
2366         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2367         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2368         (redirect_edge_var_map_result): New.
2369         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2370         PENDING_STMT use with redirect_edge_var_map_*.
2371         * tree-ssa.c (edge_var_maps): New definition.
2372         (redirect_edge_var_map_add): New.
2373         (redirect_edge_var_map_clear): New.
2374         (redirect_edge_var_map_dup): New.
2375         (redirect_edge_var_map_vector): New.
2376         (redirect_edge_var_map_destroy): New.
2377         (ssa_redirect_edge): Replace PENDING_STMT use with
2378         redirect_edge_var_map_*.
2379         (flush_pending_stmts): Same.
2380         (delete_tree_ssa): Destroy edge var map.
2381         * tree-flow.h (struct _edge_var_map): New.
2382         Define edge_var_map vector type.
2383         Declare redirect_edge_var_map_* prototypes.
2384         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2385         * tree-cfg.c (reinstall_phi_args): Replace
2386         PENDING_STMT use with redirect_edge_var_map_*.
2387
2388 2008-03-05  Richard Guenther  <rguenther@suse.de>
2389
2390         PR tree-optimization/35472
2391         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2392         whose single use_stmt has a overlapping set of loaded and
2393         stored symbols as that use_stmt might be a noop assignment then.
2394
2395 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2396
2397         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2398
2399 2008-03-05  Richard Guenther  <rguenther@suse.de>
2400
2401         PR c++/35336
2402         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2403         should be constants.
2404         * tree-cfg.c (verify_expr): Verify it.
2405         * fold-const.c (fold_truthop): Remove code generating
2406         BIT_FIELD_REFs of structure bases.
2407         (fold_binary): Likewise.
2408         (fold_ternary): Position and size of BIT_FIELD_REFs are
2409         always host integers.
2410         (make_bit_field_ref): Remove.
2411         (optimize_bit_field_compare): Remove.
2412         (all_ones_mask_p): Remove.
2413
2414 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2415
2416         PR gcc/33009
2417         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2418         (split_block_and_df_analyze): New. Split basic block and rebuild
2419         dataflow.
2420         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2421         SPLIT_BLOCK.
2422         (split_pattern_seq): Likewise.
2423         (erase_matching_seqs): Likewise.
2424         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2425
2426 2008-03-04  Geoff Keating  <geoffk@apple.com>
2427
2428         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2429         declaration and code.
2430         (tree_invalid_nonnegative_warnv_p): Likewise.
2431
2432 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2433
2434         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2435         examples.  Truncate option-names then causing overfull hbox.
2436
2437 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2438
2439         PR target/35222
2440         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2441         on hpux10.
2442         * configure: Rebuilt.
2443
2444 2008-03-04  Rafael Espindola  <espindola@google.com>
2445
2446         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2447         (tree_unary_nonnegative_warnv_p): New.
2448         (tree_binary_nonnegative_warnv_p): New.
2449         (tree_single_nonnegative_warnv_p): New.
2450         (tree_invalid_nonnegative_warnv_p): New.
2451         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2452
2453 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2454
2455         PR 28322
2456         * opts.c (handle_option): Postpone 'unknown option' errors only for
2457         warning options.
2458
2459 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2460
2461         PR target/35453
2462         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2463         (_SIDD_XXX): This.
2464
2465 2008-03-04  Rafael Espindola  <espindola@google.com>
2466
2467         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2468         (tree_binary_nonzero_warnv_p): New.
2469         (tree_single_nonzero_warnv_p): New.
2470         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2471
2472 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2473
2474         PR middle-end/35456
2475         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2476         transformations for modes that have signed zeros.
2477         * ifcvt.c (noce_try_abs): Ditto.
2478
2479 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2480
2481         * config/i386/i386.c (override_options): Force
2482         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2483
2484 2008-03-04  Jan Hubicka  <jh@suse.cz>
2485
2486         PR c++/35262
2487         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2488         in last commit.
2489
2490 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2491
2492         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2493         label to probe the stack.
2494
2495 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2496
2497         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2498         (__gthr_win32_mutex_destroy): Declare.
2499         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2500         __gthr_win32_mutex_destroy.
2501         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2502
2503 2008-03-03  Jan Hubicka  <jh@suse.cz>
2504
2505         PR c++/35262
2506         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2507         aggressive on inlining cold calls.
2508
2509 2008-03-03  Richard Guenther  <rguenther@suse.de>
2510
2511         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2512         struct copies into the expression table.
2513         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2514         (try_to_simplify): Likewise.
2515         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2516         integral and pointer arguments which do not change the
2517         precision to NOP_EXPRs.
2518         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2519         VIEW_CONVERT_EXPR case.
2520
2521 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2522
2523         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2524         defined in a loop at depth 0 is invariant.
2525         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2526         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2527         be called at loop depth 0.
2528
2529 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2530
2531         PR driver/35420
2532         * gcc.c (process_command): Update copyright notice dates.
2533         * gcov.c (print_version): Likewise.
2534         * gcov-dump.c (print_version): Likewise.
2535         * mips-tfile.c (main): Likewise.
2536         * mips-tdump.c (main): Likewise.
2537
2538 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2539
2540         PR 24924
2541         * c-common.c (flag_permissive): Delete.
2542         (constant_expression_warnings): Check flags first.
2543         (constant_expression_error): New.
2544         * c-common.h (flag_permissive): Delete.
2545         (constant_expression_error): Declare.
2546         * flags.h (flag_permissive): Declare. Update description.
2547         * diagnostic.c (pedwarn): Update.
2548         (permerror): New.
2549         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2550         (permissive_error_kind): New.
2551         * toplev.c (flag_permissive): Define. Update description.
2552         * toplev.h (permissive_error_kind): Declare.
2553         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2554         (pedwarn_c90): Use pedantic_warning_kind.
2555         * c-opts.c (c_common_post_options): flag_permissive does not affect
2556         flag_pedantic_errors.
2557
2558 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2559
2560         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2561         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2562         __absvsi2, __absvDI2): Use unsigned arithmetic.
2563
2564 2008-03-02  Andi Kleen  <ak@suse.de>
2565             Richard Guenther  <rguenther@suse.de>
2566
2567         * struct-equiv.c: Remove file.
2568         * cfg_cleanup.c (condjump_equiv_p): Remove.
2569         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2570         (struct-equiv.o): Remove rule.
2571         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2572         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2573         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2574
2575 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2576
2577         * ifcvt.c (noce_process_if_block): Try to handle only the then
2578         block if the else block exists but isn't suitable.
2579
2580 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2581
2582         PR gcc/35063
2583         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2584         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2585         regression from previous patch.
2586
2587 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2588
2589         PR gcc/35063
2590         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2591         implemented.
2592         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2593         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2594         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2595         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2596         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2597         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2598         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2599         (__gthread_mutex_destroy_function): Rename to
2600         __gthread_mutex_destroy.
2601         * gthr-dce.h (__gthread_mutex_destroy): Call
2602         pthread_mutex_destroy.
2603         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2604         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2605         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2606
2607 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2608
2609         * df-scan.c (df_ref_chain_change_bb): Simplify.
2610         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2611         set_block_for_insn if there's any change.
2612         * df.h ((df_insn_change_bb): Fix prototype.
2613         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2614         df_insn_change_bb, don't call set_block_for_insn.
2615         * emit-rtl.c (reorder_insns): Likewise.
2616         * haifa-sched.c (move_insn): Likewise.
2617
2618 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2619
2620         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2621
2622 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2623
2624         * tree-flow-inline.h (next_readonly_imm_use): Return
2625         NULL_USE_OPERAND_P after the end.
2626
2627 2008-03-01  Richard Guenther  <rguenther@suse.de>
2628
2629         PR tree-optimization/35411
2630         * tree-sra.c (sra_build_assignment): Split conversion to
2631         final type to a separate statement if we are not assigning
2632         to a register.
2633
2634 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2635
2636         * fold-const.c (fold_convertible_p): Correct the logic to follow
2637         that in fold_convert().
2638
2639 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2640
2641         PR c++/35315
2642         * tree-inline.c (build_duplicate_type): When we make a
2643         duplicate type, make it unique in the canonical types system.
2644
2645 2008-02-29  Tom Tromey  <tromey@redhat.com>
2646
2647         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2648         input_file_stack_history, input_file_stack_restored): Remove.
2649         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2650         * input.h (struct file_stack): Remove.
2651         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2652         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2653         Likewise.
2654         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2655         type.
2656         (diagnostic_last_module_changed): Add 'map' argument.
2657         (diagnostic_set_last_function): Likewise.
2658         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2659         line map, not input_file_stack.
2660         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2661
2662 2008-02-29  Paul Brook  <paul@codesourcery.com>
2663
2664         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2665
2666 2008-02-29  Paul Brook  <paul@codesourcery.com>
2667
2668         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2669
2670 2008-02-29  Richard Guenther  <rguenther@suse.de>
2671
2672         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2673         vn_lookup_or_add.
2674         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2675         value for comparing for a store match.
2676         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2677         (try_to_simplify): Do not do a full-blown reference lookup.
2678
2679 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2680
2681         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2682         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2683
2684         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2685
2686 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2687
2688         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2689         strides against cache sizes.
2690
2691 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2692
2693         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2694         constant to fpul.
2695
2696 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2697
2698         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2699         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2700         is smaller than the original promoted value.
2701         (simplify_subreg): If OP is a SUBREG, try to preserve its
2702         SUBREG_PROMOTED_VAR_P information.
2703
2704 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2705
2706         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2707         (VN_INFO_GET): Allocate new objects on the obstack.
2708         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2709         for rpo_numbers_temp, for consistency.
2710         (free_scc_vn): Free the obstack.
2711
2712 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2713
2714         * doc/invoke.texi: Document -ftree-loop-distribution.
2715         * tree-loop-distribution.c: New.
2716         * tree-pass.h (pass_loop_distribution): New.
2717         * graphds.h (struct graph): Add htab_t indices.
2718         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2719         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2720         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2721         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2722         * tree-data-ref.c (debug_data_dependence_relations): New.
2723         (dump_data_dependence_relation): Also print data references.
2724         (free_data_ref): Extern.
2725         (same_access_functions): Moved...
2726         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2727         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2728         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2729         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2730         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2731         (stmts_from_loop): Skip LABEL_EXPR.
2732         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2733         New.
2734         (build_rdg): Initialize rdg->indices htab.
2735         (free_rdg, stores_from_loop, ref_base_address,
2736         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2737         have_similar_memory_accesses_1, ref_base_address_1,
2738         remove_similar_memory_refs): New.
2739         * tree-data-ref.h: Depend on tree-chrec.h.
2740         (debug_data_dependence_relations, free_data_ref): Declared.
2741         (same_access_functions): ... here.
2742         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2743         New.
2744         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2745         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2746         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2747         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2748         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2749         rdg_vertex_for_stmt): Declared.
2750         (struct rdg_edge): Add level.
2751         (RDGE_LEVEL): New.
2752         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2753         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2754         Declared.
2755         (rdg_has_similar_memory_accesses): New.
2756         * tree-vect-analyze.c: Remove unused static decls.
2757         * lambda.h (dependence_level): New.
2758         * common.opt (ftree-loop-distribution): New.
2759         * tree-flow.h (mark_virtual_ops_in_bb, 
2760         slpeel_tree_duplicate_loop_to_edge_cfg,
2761         rename_variables_in_loop): Declared.
2762         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2763         (OBJS-common): Add tree-loop-distribution.o.
2764         (tree-loop-distribution.o): New rule.
2765         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2766         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2767         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2768
2769 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2770
2771         PR target/33963
2772         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2773         other than structures and unions.
2774
2775 2008-02-28  Richard Guenther  <rguenther@suse.de>
2776
2777         Revert:
2778         2008-02-26  Richard Guenther  <rguenther@suse.de>
2779
2780         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2781         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2782         (lookup_decl_from_uid): Declare.
2783         (remove_decl_from_map): Likewise.
2784         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2785         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2786         (decl_for_uid_map): New global hashtable mapping DECL_UID
2787         to the decl tree.
2788         (init_ttree): Allocate it.
2789         (insert_decl_to_uid_decl_map): New helper function.
2790         (make_node_stat): Insert new decls into the map.
2791         (copy_node_stat): Likewise.
2792         (lookup_decl_from_uid): New function.
2793         (remove_decl_from_map): Likewise.
2794         (print_decl_for_uid_map_statistics): New helper.
2795         (dump_tree_statistics): Call it.
2796
2797         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2798         (referenced_var_iterator): Adjust.
2799         (FOR_EACH_REFERENCED_VAR): Adjust.
2800         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2801         (num_referenced_vars): Adjust.
2802         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2803         (first_referenced_var): Remove.
2804         (end_referenced_vars_p): Likewise.
2805         (next_referenced_var): Likewise.
2806         (referenced_var_iterator_set): New helper function.
2807         * tree-dfa.c (referenced_var_lookup): Adjust.
2808         (referenced_var_check_and_insert): Likewise.
2809         (remove_referenced_var): Likewise.
2810         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2811         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2812         (verify_call_clobbering): Likewise.
2813         (verify_memory_partitions): Likewise.
2814         (init_tree_ssa): Allocate bitmap instead of hashtable for
2815         referenced_vars.
2816         (delete_tree_ssa): Adjust.
2817         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2818         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2819         (compute_tag_properties): Likewise.
2820         (set_initial_properties): Likewise.
2821         (find_partition_for): Likewise.
2822         (update_reference_counts): Likewise.
2823         (dump_may_aliases_for): Likewise.
2824         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2825         (add_call_clobber_ops): Likewise.
2826         (add_call_read_ops): Likewise.
2827         (get_asm_expr_operands): Likewise.
2828         * tree-into-ssa.c (dump_decl_set): Likewise.
2829         (update_ssa): Likewise.
2830         * tree-sra.c (scan_function): Likewise.
2831         (decide_instantiations): Likewise.
2832         (scalarize_parms): Likewise.
2833         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2834         (dsa_named_for): Likewise.
2835         * tree-ssa-structalias.c (update_alias_info): Likewise.
2836         (merge_smts_into): Likewise.
2837
2838 2008-02-27  David Daney  <ddaney@avtrex.com>
2839
2840         PR target/34409
2841         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2842         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2843         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2844         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2845         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2846
2847 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2848
2849         PR target/25477
2850         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2851         (BUILT_IN_NEXTTOWARD): Remove.
2852         (BUILT_IN_NEXTTOWARDF): Ditto.
2853         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2854         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2855
2856 2008-02-27  Tom Tromey  <tromey@redhat.com>
2857
2858         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2859         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2860
2861 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2862
2863         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2864         update the respective field on newdecl.
2865
2866 2008-02-27  Revital Eres  <eres@il.ibm.com>
2867
2868         PR rtl-optimization/34999
2869         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2870         crossing edges that ends with a call insn.
2871         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2872         call insn and clear the EDGE_CROSSING flag of the crossing edge
2873         when fixing fallthru edges.
2874
2875 2008-02-27  Richard Guenther  <rguenther@suse.de>
2876
2877         PR middle-end/35390
2878         * fold-const.c (fold_unary): Return the correct argument,
2879         converted to the result type.
2880
2881 2008-02-27  Richard Guenther  <rguenther@suse.de>
2882
2883         PR middle-end/34971
2884         * expr.c (expand_expr_real_1): Assert on rotates that operate
2885         on partial modes.
2886         * fold-const.c (fold_binary): Use the types precision, not the
2887         bitsize of the mode if folding rotate expressions.  Build rotates
2888         only for full modes.
2889
2890 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2891
2892         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2893         and CPP_PRAGMA_EOL.
2894         * c-pragma.c (pragma_ns_name): New typedef.
2895         (registered_pp_pragmas): New variable.
2896         (c_pp_lookup_pragma): New function.
2897         (c_register_pragma_1): If flag_preprocess_only, do nothing
2898         for non-expanded pragmas, for expanded ones push pragma's
2899         namespace and name into registered_pp_pragmas vector.
2900         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2901         flag_preprocess_only, don't register GCC pch_preprocess
2902         pragma if flag_preprocess_only.
2903         * c-opts.c (c_common_init): Call init_pragma even if
2904         flag_preprocess_only.
2905         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2906         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2907         cpp_register_pragma if flag_preprocess_only.
2908
2909 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2910
2911         PR c/28800
2912         * c-parser.c (c_parser_translation_unit): Warn for empty
2913         translation unit, not empty source file.
2914
2915 2008-02-26  Paul Brook  <paul@codesourcery.com>
2916
2917         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2918         operand for Thumb-2.
2919         * config/arm/arm.h (reg_class): Add CORE_REGS.
2920         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2921         (BASE_REG_CLASS): Use CORE_REGS.
2922         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2923         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2924         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2925         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2926         ARM_REGNO_OK_FOR_INDEX_P.
2927         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2928         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2929         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2930         (ldm/stm peepholes): Ditto.
2931         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2932         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2933         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2934         * config/arm/constraints.md: Enable "k" constraint on ARM.
2935
2936 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2937
2938         * config/rs6000/rs6000.c: Annotate cache line size field in all
2939         instances of struct processor_costs.
2940
2941 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2942
2943         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2944         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2945         jump_bypass): New counters.
2946         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2947         * dce.c (gate_ud_dce): Same.
2948         (gate_fast_dce): Same.
2949         * dse.c (gate_dse1): New function.
2950         (gate_dse2): New function.
2951         (gate_dse): Merge results of new gate functions.
2952         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2953         (gate_handle_jump_bypass): Add dbg_cnt.
2954         (gate_handle_gcse): Add dbg_cnt.
2955         * ifcvt.c (gate_handle_if_conversion): Same.
2956         (gate_handle_if_after_combine): Same.
2957         (gate_handle_if_after_reload): Same.
2958         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2959
2960 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2961
2962         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2963         line sizes.
2964         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2965
2966 2008-02-26  Jason Merrill  <jason@redhat.com>
2967
2968         PR c++/35315
2969         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2970         alone if it's the naming decl for the type's main variant.
2971
2972 2008-02-26  Tom Tromey  <tromey@redhat.com>
2973
2974         * system.h (USE_MAPPED_LOCATION): Poison.
2975         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2976         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2977         (make_goto_expr_edges): Likewise.
2978         (remove_bb): Likewise.
2979         (execute_warn_function_return): Likewise.
2980         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2981         location_t.
2982         * c-common.c (fname_decl): Remove old location code.
2983         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2984         location code.
2985         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2986         variant.
2987         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2988         (gen_rtx_ASM_INPUT): Likewise.
2989         (gen_rtx_ASM_INPUT_loc): Likewise.
2990         (get_rtx_asm_OPERANDS): Remove.
2991         * cfglayout.c (insn_locators_alloc): Remove old location code.
2992         (set_curr_insn_source_location): Likewise.
2993         (curr_insn_locator): Likewise.
2994         * print-tree.c (print_node): Remove old location code.
2995         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2996         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2997         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2998         location_from_locus.
2999         (construct_exit_block): Remove old location code.
3000         * emit-rtl.c (force_next_line_note): Remove old location code.
3001         * profile.c (branch_prob): Remove old location code.
3002         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3003         LOC_LINE): Remove old-location variants.
3004         * langhooks.c (lhd_print_error_function): Remove old location
3005         code.
3006         * configure, config.in: Rebuilt.
3007         * configure.ac (--enable-mapped-location): Remove.
3008         * c-decl.c (c_init_decl_processing): Remove old location code.
3009         (finish_function): Likewise.
3010         * recog.c (decode_asm_operands): Remove old location code.
3011         * c-pch.c (c_common_read_pch): Remove old location code.
3012         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3013         variants.
3014         * gimple-low.c (lower_function_body): Remove old location code.
3015         * toplev.c (unknown_location): Remove.
3016         (push_srcloc): Remove old-location variant.
3017         (process_options): Remove old location code.
3018         (lang_dependent_init): Likewise.
3019         * input.h (UNKNOWN_LOCATION): Move definition.
3020         (location_t): Undeprecate.
3021         (source_locus): Remove.
3022         (location_from_locus): Remove.
3023         (struct location_s): Remove.
3024         Remove all old-location code.
3025         (input_line, input_filename): Remove.
3026         * final.c (final_scan_insn): Remove old location code.
3027         * diagnostic.c (diagnostic_build_prefix): Remove
3028         USE_MAPPED_LOCATION test.
3029         * tree.h (gimple_stmt) <locus>: Now a location_t.
3030         (tree_exp) <locus>: Likewise.
3031         (DECL_IS_BUILTIN): Remove old-location variant.
3032         (annotate_with_file_line, annotate_with_locus): Likewise.
3033         (expr_locus, set_expr_locus): Update.
3034         * tree.c (build1_stat): Remove old location code.
3035         (last_annotated_node): Remove.
3036         (annotate_with_file_line): Remove old-location variant.
3037         (annotate_with_locus): Likewise.
3038         (expr_location): Remove old location code.
3039         (set_expr_location): Likewise.
3040         (expr_has_location): Likewise.
3041         (expr_locus): Likewise.
3042         (set_expr_locus): Likewise.
3043         (expr_filename): Don't use location_from_locus.
3044         (expr_lineno): Likewise.
3045         * rtl-error.c (location_for_asm): Remove old location code.
3046         * c-lex.c (cb_line_change): Remove old location code.
3047         (fe_file_change): Likewise.
3048         (cb_def_pragma): Likewise.
3049         (c_lex_with_flags): Likewise.
3050         * gengtype.c (do_typedef): Don't special-case location types.
3051         (define_location_structures): Remove.
3052         (main): Don't call define_location_structures.
3053         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3054         code.
3055
3056 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3057
3058         PR 26264
3059         * builtins.def (BUILT_IN_STDARG_START): Remove.
3060         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3061         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3062         * tree-inline.c (inline_forbidden_p_1): Likewise.
3063         
3064 2008-02-26  Richard Guenther  <rguenther@suse.de>
3065
3066         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3067         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3068         (lookup_decl_from_uid): Declare.
3069         (remove_decl_from_map): Likewise.
3070         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3071         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3072         (decl_for_uid_map): New global hashtable mapping DECL_UID
3073         to the decl tree.
3074         (init_ttree): Allocate it.
3075         (insert_decl_to_uid_decl_map): New helper function.
3076         (make_node_stat): Insert new decls into the map.
3077         (copy_node_stat): Likewise.
3078         (lookup_decl_from_uid): New function.
3079         (remove_decl_from_map): Likewise.
3080         (print_decl_for_uid_map_statistics): New helper.
3081         (dump_tree_statistics): Call it.
3082
3083         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3084         (referenced_var_iterator): Adjust.
3085         (FOR_EACH_REFERENCED_VAR): Adjust.
3086         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3087         (num_referenced_vars): Adjust.
3088         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3089         (first_referenced_var): Remove.
3090         (end_referenced_vars_p): Likewise.
3091         (next_referenced_var): Likewise.
3092         (referenced_var_iterator_set): New helper function.
3093         * tree-dfa.c (referenced_var_lookup): Adjust.
3094         (referenced_var_check_and_insert): Likewise.
3095         (remove_referenced_var): Likewise.
3096         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3097         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3098         (verify_call_clobbering): Likewise.
3099         (verify_memory_partitions): Likewise.
3100         (init_tree_ssa): Allocate bitmap instead of hashtable for
3101         referenced_vars.
3102         (delete_tree_ssa): Adjust.
3103         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3104         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3105         (compute_tag_properties): Likewise.
3106         (set_initial_properties): Likewise.
3107         (find_partition_for): Likewise.
3108         (update_reference_counts): Likewise.
3109         (dump_may_aliases_for): Likewise.
3110         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3111         (add_call_clobber_ops): Likewise.
3112         (add_call_read_ops): Likewise.
3113         (get_asm_expr_operands): Likewise.
3114         * tree-into-ssa.c (dump_decl_set): Likewise.
3115         (update_ssa): Likewise.
3116         * tree-sra.c (scan_function): Likewise.
3117         (decide_instantiations): Likewise.
3118         (scalarize_parms): Likewise.
3119         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3120         (dsa_named_for): Likewise.
3121         * tree-ssa-structalias.c (update_alias_info): Likewise.
3122         (merge_smts_into): Likewise.
3123
3124 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3125
3126         PR 34351
3127         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3128         * c-opts.c (c_common_handle_option): Wall enables
3129         Wvolatile-register-var.
3130         * common.opt: Move Wvolatile-register-var to...
3131         * c.opt: ...here.
3132         
3133 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3134
3135         * common.opt (Wlarger-than=): New.
3136         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3137         -Wlarger-than=.
3138         * opts.c (common_handle_option): Handle -Wlarger-than=.
3139         * optc-gen.awk: Likewise.
3140         * opth-gen.awk: Likewise.
3141         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3142         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3143         
3144 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3145
3146         * c-common.c (match_case_to_enum_1): Add appropriate
3147         OPT_W* parameter to warning.
3148         (c_do_switch_warnings): Likewise.
3149         * c-typeck.c (warning_init): Add one more parameter following
3150         'warning' function.
3151         (push_init_level): Update call to warning_init.
3152         (pop_init_level): Likewise.
3153         (add_pending_init): Likewise.
3154         (output_init_element: Likewise.
3155
3156 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3157
3158         PR 28322
3159         * toplev.c (toplev_main): If there are warnings or error, print
3160         errors for ignored options.
3161         * opts.c (ignored_options): New static variable.
3162         (postpone_unknown_option_error): New.
3163         (print_ignored_options): New.
3164         (handle_option): Postpone errors for unknown -Wno-* options.
3165         * opts.h (print_ignored_options): Declare.
3166         
3167 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3168
3169         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3170         to "ghost".
3171
3172 2008-02-25  Richard Guenther  <rguenther@suse.de>
3173
3174         Revert:
3175         2008-02-25  Richard Guenther  <rguenther@suse.de>
3176
3177         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3178         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3179         (lookup_decl_from_uid): Declare.
3180         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3181         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3182         (decl_for_uid_map): New global hashtable mapping DECL_UID
3183         to the decl tree.
3184         (init_ttree): Allocate it.
3185         (insert_decl_to_uid_decl_map): New helper function.
3186         (make_node_stat): Insert new decls into the map.
3187         (copy_node_stat): Likewise.
3188         (lookup_decl_from_uid): New function.
3189         (print_decl_for_uid_map_statistics): New helper.
3190         (dump_tree_statistics): Call it.
3191
3192         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3193         (referenced_var_iterator): Adjust.
3194         (FOR_EACH_REFERENCED_VAR): Adjust.
3195         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3196         (num_referenced_vars): Adjust.
3197         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3198         (first_referenced_var): Remove.
3199         (end_referenced_vars_p): Likewise.
3200         (next_referenced_var): Likewise.
3201         (referenced_var_iterator_set): New helper function.
3202         * tree-dfa.c (referenced_var_lookup): Adjust.
3203         (referenced_var_check_and_insert): Likewise.
3204         (remove_referenced_var): Likewise.
3205         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3206         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3207         (verify_call_clobbering): Likewise.
3208         (verify_memory_partitions): Likewise.
3209         (init_tree_ssa): Allocate bitmap instead of hashtable for
3210         referenced_vars.
3211         (delete_tree_ssa): Adjust.
3212         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3213         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3214         (compute_tag_properties): Likewise.
3215         (set_initial_properties): Likewise.
3216         (find_partition_for): Likewise.
3217         (update_reference_counts): Likewise.
3218         (dump_may_aliases_for): Likewise.
3219         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3220         (add_call_clobber_ops): Likewise.
3221         (add_call_read_ops): Likewise.
3222         (get_asm_expr_operands): Likewise.
3223         * tree-into-ssa.c (dump_decl_set): Likewise.
3224         (update_ssa): Likewise.
3225         * tree-sra.c (scan_function): Likewise.
3226         (decide_instantiations): Likewise.
3227         (scalarize_parms): Likewise.
3228         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3229         (dsa_named_for): Likewise.
3230         * tree-ssa-structalias.c (update_alias_info): Likewise.
3231         (merge_smts_into): Likewise.
3232
3233 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3234
3235         PR fortran/29549
3236         * doc/invoke.texi (-fcx-limited-range): Document new option.
3237         * toplev.c (process_options): Handle -fcx-fortran-rules.
3238         * common.opt: Add documentation for -fcx-fortran-rules.
3239
3240 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3241
3242         PR c/35162
3243         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3244         actual behaviour and C99.
3245         
3246 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3247
3248         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3249         (ASM_CPU_POWER6_SPEC): Likewise.
3250         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3251         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3252         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3253
3254 2008-02-25  Richard Guenther  <rguenther@suse.de>
3255
3256         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3257         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3258         (lookup_decl_from_uid): Declare.
3259         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3260         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3261         (decl_for_uid_map): New global hashtable mapping DECL_UID
3262         to the decl tree.
3263         (init_ttree): Allocate it.
3264         (insert_decl_to_uid_decl_map): New helper function.
3265         (make_node_stat): Insert new decls into the map.
3266         (copy_node_stat): Likewise.
3267         (lookup_decl_from_uid): New function.
3268         (print_decl_for_uid_map_statistics): New helper.
3269         (dump_tree_statistics): Call it.
3270
3271         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3272         (referenced_var_iterator): Adjust.
3273         (FOR_EACH_REFERENCED_VAR): Adjust.
3274         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3275         (num_referenced_vars): Adjust.
3276         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3277         (first_referenced_var): Remove.
3278         (end_referenced_vars_p): Likewise.
3279         (next_referenced_var): Likewise.
3280         (referenced_var_iterator_set): New helper function.
3281         * tree-dfa.c (referenced_var_lookup): Adjust.
3282         (referenced_var_check_and_insert): Likewise.
3283         (remove_referenced_var): Likewise.
3284         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3285         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3286         (verify_call_clobbering): Likewise.
3287         (verify_memory_partitions): Likewise.
3288         (init_tree_ssa): Allocate bitmap instead of hashtable for
3289         referenced_vars.
3290         (delete_tree_ssa): Adjust.
3291         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3292         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3293         (compute_tag_properties): Likewise.
3294         (set_initial_properties): Likewise.
3295         (find_partition_for): Likewise.
3296         (update_reference_counts): Likewise.
3297         (dump_may_aliases_for): Likewise.
3298         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3299         (add_call_clobber_ops): Likewise.
3300         (add_call_read_ops): Likewise.
3301         (get_asm_expr_operands): Likewise.
3302         * tree-into-ssa.c (dump_decl_set): Likewise.
3303         (update_ssa): Likewise.
3304         * tree-sra.c (scan_function): Likewise.
3305         (decide_instantiations): Likewise.
3306         (scalarize_parms): Likewise.
3307         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3308         (dsa_named_for): Likewise.
3309         * tree-ssa-structalias.c (update_alias_info): Likewise.
3310         (merge_smts_into): Likewise.
3311
3312 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3313
3314         PR target/35258
3315         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3316         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3317         * alias.h (nonoverlapping_memrefs_p): Likewise.
3318
3319 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3320
3321         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3322         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3323         __emultls_get_address, __emultls_register_common,
3324         __floatundi?f, and _Unwind_GetIPInfo.
3325         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3326         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3327         (gen_regparm_prefix): Likewise.
3328         (i386_nlm_encode_section_info): Sync with
3329         config/i386/winnt.c:i386_pe_encode_section_info().
3330         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3331         i386_nlm_mangle_decl_assembler_name): New.
3332         (netware_override_options): New.
3333         * config/i386/netware.h (netware_override_options): Declare.
3334         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3335         (i386_nlm_mangle_decl_assembler_name): Declare.
3336         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3337
3338 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3339
3340         PR other/32948
3341         * c-decl.c (grokdeclarator): Remove unused local variables
3342         `typedef_type' and `type_as_written'.
3343         * bb-reorder.c
3344         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3345         unused local variable `has_hot_blocks'.
3346         (fix_crossing_conditional_branches): Remove unused local variable
3347         `prev_bb'.
3348         
3349 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3350
3351         PR middle-end/19984
3352         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3353         using DEF_C99_BUILTIN.
3354         (BUILT_IN_NANF): Ditto.
3355         (BUILT_IN_NANL): Ditto.
3356
3357 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3358             Revital Eres  <eres@il.ibm.com>
3359
3360         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3361         regarding the order of two dependent insns in the same row.
3362
3363 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3364
3365         * stor-layout.c (layout_decl): Do not bump the alignment of a
3366         bit-field to more than byte alignment if it is packed.
3367
3368 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3369
3370         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3371         e300c2 and e300c3.
3372
3373 2008-02-24  Diego Novillo  <dnovillo@google.com>
3374
3375         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3376
3377         PR 33738
3378         * tree-vrp.c (vrp_evaluate_conditional): With
3379         -Wtype-limits, emit a warning when comparing against a
3380         constant outside the natural range of OP0's type.
3381         * c.opt (Wtype-limits): Move ...
3382         * common.opt (Wtype-limits): ... here.
3383
3384 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3385
3386         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3387         * config/rs6000/e300c2c3.md: New file.
3388         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3389         e300c2 and e300c3.
3390         (rs6000_override_options): Add e300c2 and e300c3 cases to
3391         processor_target_table. Do not allow usage of Altivec or Spe
3392         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3393         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3394         * config/rs6000/rs6000.h (processor_type): Add
3395         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3396         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3397         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3398         and ppce300c3. Include e300c2c3.md.
3399
3400 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3401
3402         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3403         instead of TARGET_STRICT_ALIGN.
3404
3405 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3406
3407         * explow.c (memory_address): Assert that the generated address is
3408         valid.
3409