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1 2008-04-03  Richard Guenther  <rguenther@suse.de>
2
3         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4         conversions.  Simplify code.
5
6 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
7
8         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
9
10 2008-04-03  Tom Tromey  <tromey@redhat.com>
11             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12
13         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14         * config/bfin/t-bfin-linux (generated_files): Add
15         linux-sysroot-suffix.h.
16         * doc/install.texi (Prerequisites): Require make 3.80.
17         * doc/sourcebuild.texi (Front End Directory): Document new
18         variable.
19         * Makefile.in (generated_files): New variable.
20         (ALL_HOST_OBJS): New variable.
21         ($(ALL_HOST_OBJS)): New target.
22
23 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
24
25         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
26         (remap_block): Call id->transform_lang_insert_block instead
27         of langhook.
28         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
29         Set id.transform_lang_insert_block to NULL.
30         (clone_body): Move to cp/optimize.c
31         * tree-inline.h (struct copy_body_data): Change
32         transform_lang_insert_block to function pointer.
33         (copy_generic_body, copy_decl_no_change): Export.
34         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
35         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
36         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
37
38         * c-tree.h (insert_block): Kill.
39         * c-decl.c (insert_block): Kill.
40
41 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
42
43         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
44         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
45         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
46         argument.
47         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
48         argument, call {push,pop}_function_context from here.
49         * c-parser.c: Use c_{push,pop}_function_context.
50
51         * function.c (push_function_context_to): Move meat ...
52         (push_function_context): ... here.  Simplify.
53         * function.c (pop_function_context_from): Move meat ...
54         (pop_function_context): ... here.  Simplify.
55         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
56         leave_nested).
57         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
58         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
59         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
60         * tree.h (push_function_context_to, pop_function_context_from): Remove.
61
62 2008-04-03  Ben Elliston  <bje@au.ibm.com>
63
64         * expmed.c (extract_force_align_mem_bit_field): Remove.
65
66 2008-04-03  Richard Guenther  <rguenther@suse.de>
67
68         PR middle-end/35800
69         * expr.h (try_casesi): Adjust prototype.
70         * expr.c (try_casesi): Take fallback label as extra parameter.
71         Use that for gen_casesi if default_label is NULL.
72         * stmt.c (expand_case): Pass fallback label to try_casesi,
73         make sure to fill gaps with a fallback label if default_label
74         is not present.
75
76 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
77
78         PR target/35801
79         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
80
81 2008-04-03  Ben Elliston  <bje@au.ibm.com>
82
83         * expmed.c (extract_split_bit_field): Remove if (0) code.
84         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
85         (do_ds_constraint): Likewise.
86
87 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
88
89         * doc/cppopts.texi (-dU): Document.
90         * c-common.h (flag_dump_macros): Update comment.
91         * c-opts.c (handle_OPT_d): Handle -dU.
92         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
93         dump_queued_macros, cb_used_define, cb_used_undef): New.
94         (init_pp_output): Handle -dU.
95         (cb_line_change): Call dump_queued_macros.
96         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
97
98 2008-04-02  Anatoly Sokolov <aesok@post.ru>
99
100         * config/avr/predicates.md (io_address_operand): New predicate. 
101         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
102         * config/avr/avr.c (avr_io_address_p): Remove function.
103         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
104         'avr_io_address_p' function.
105         (out_movhi_r_mr): (Ditto.).
106         (out_movqi_mr_r): (Ditto.).
107         (out_movhi_mr_r): (Ditto.).
108         (avr_address_cost): (Ditto.).
109
110 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
111
112         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
113         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
114         in 32bit mode when XMM registers are available to avoid store
115         forwarding stalls.
116         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
117         corresponding post-reload splitters.
118
119 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
120
121         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
122         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
123         __builtin_ia32_roundss.
124         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
125         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
126         __builtin_ia32_roundss.
127         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
128         IX86_BUILTIN_SHUFPD here.
129
130 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
131
132         * config/i386/i386.md (plogic): New.
133         (plogicprefix): Likewise.
134
135         * config/i386/mmx.md (mmx_<code><mode>3): New.
136         (mmx_and<mode>3): Removed.
137         (mmx_ior<mode>3): Likewise.
138         (mmx_xor<mode>3): Likewise.
139
140         * config/i386/sse.md (<code><mode>3): New.
141         (*<code><mode>3): Likewise.
142         (*<code><mode>3): Likewise.
143         (<code><mode>3): Likewise.
144         (*sse_<code><mode>3): Likewise.
145         (*sse2_<code><mode>3): Likewise.
146         (<code>tf3): Likewise.
147         (*<code>tf3): Likewise.
148         (and<mode>3): Likewise.
149         (*and<mode>3): Likewise.
150         (ior<mode>3): Removed.
151         (*ior<mode>3): Likewise.
152         (xor<mode>3): Likewise.
153         (*xor<mode>3): Likewise.
154         (*and<mode>3): Likewise.
155         (*ior<mode>3): Likewise.
156         (*xor<mode>3): Likewise.
157         (and<mode>3): Likewise.
158         (*sse_and<mode>3): Likewise.
159         (*sse2_and<mode>3): Likewise.
160         (andtf3): Likewise.
161         (*andtf3): Likewise.
162         (ior<mode>3): Likewise.
163         (*sse_ior<mode>3): Likewise.
164         (*sse2_ior<mode>3): Likewise.
165         (iortf3): Likewise.
166         (*iortf3): Likewise.
167         (xor<mode>3): Likewise.
168         (*sse_xor<mode>3): Likewise.
169         (*sse2_xor<mode>3): Likewise.
170         (xortf3): Likewise.
171         (*xortf3): Likewise.
172
173 2008-04-02  Richard Guenther  <rguenther@suse.de>
174
175         PR tree-optimization/14495
176         PR tree-optimization/34793
177         * tree-vrp.c (struct switch_update): New structure.
178         (to_remove_edges, to_update_switch_stmts): New VECs.
179         (simplify_switch_using_ranges): New function.  Remove not taken
180         case labels and edges.
181         (simplify_stmt_using_ranges): Call it.
182         (identify_jump_threads): Mark edges we have queued for removal
183         so we don't thread them.
184         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
185         case label vector.
186         * tree-cfg.c (group_case_labels): Deal with missing default label.
187         (tree_verify_flow_info): Allow missing default label.
188         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
189         (emit_case_nodes): Likewise.
190         (expand_case): Do not rely on the default label to be present.
191         * expr.c (try_casesi): Deal with NULL default_label.
192         (do_tablejump): Likewise.
193
194 2008-04-02  Richard Guenther  <rguenther@suse.de>
195
196         PR tree-optimization/14495
197         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
198         SWITCH_EXPR here ...
199         (vrp_visit_switch_stmt): ... but here (new function).
200         (find_case_label_index): New helper function.
201         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
202
203 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
204
205         * fwprop.c: Fix ISO-C99ism.
206
207 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
208
209         PR bootstrap/35752
210         * Makefile.in (objdir): Set it here.
211         * configure.ac: Not here.  Find dynamic linker characteristics.
212         * exec-tool.in: Use them.
213         * aclocal.m4: Regenerate.
214         * configure: Regenerate.
215
216 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
217
218         * expr.c (expand_var): Delete it.
219         * expr.h (expand_var): Delete prototype.
220         * function.c (expand_function_start): Use expand_decl instead.
221         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
222         langhook.
223
224 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
225
226         PR rtl-optimization/35542
227         * fwprop.c (forward_propagate_and_simplify): Replace
228         loc_reg_mentioned_in_p with reg_mentioned_p.
229
230 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
231
232         PR rtl-optimization/35281
233         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
234         (propagate_rtx_1): Handle PR_HANDLE_MEM.
235         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
236         (varying_mem_p): Move above propagate_rtx.
237         (all_uses_available_at): Do not check MEMs.
238
239 2008-04-02  Rafael Espindola  <espindola@google.com>
240
241         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
242         (register_edge_assert_for_2): Split the cond argument.
243         (register_edge_assert_for_1): Adjust for the change in
244         register_edge_assert_for_2.
245         (register_edge_assert_for): Split the cond argument.
246         (find_switch_asserts): Adjust for the change in
247         register_edge_assert_for.
248
249 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
250
251         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
252         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
253         offsets for 64-bit mingw.
254         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
255         abi for x86_64-pc-mingw.
256
257 2008-04-02  Richard Guenther  <rguenther@suse.de>
258
259         * tree-vrp.c (extract_range_from_assert): Make sure to not
260         produce range min/max with TREE_OVERFOW set.
261         If merging a anti-range and a range keep the anti-range if
262         the range covers all values of the type.
263         (register_edge_assert_for_2): Only allow sign-changing
264         conversions in detecting canonical range checks.  Also
265         register an assert for the unsigned name if useful.
266
267         PR tree-optimization/35787
268         * tree-vrp.c (vrp_val_max): New function.
269         (vrp_val_min): Likewise.
270         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
271         (vrp_val_is_min): Likewise.
272         (supports_overflow_infinity): Use vrp_val_{min,max}.
273         (negative_overflow_infinity): Likewise.
274         (positive_overflow_infinity): Likewise.
275         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
276         (is_positive_overflow_infinity): Likewise.
277         (is_overflow_infinity): Likewise.
278         (avoid_overflow_infinity): Use vrp_val_{min,max} and
279         vrp_val_is_{min,max}.
280         (set_and_canonicalize_value_range): Canonicalize anti-ranges
281         to ranges if possible.  Avoid empty ranges.
282
283 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
284
285         PR middle-end/35705
286         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
287         the expression is a function address.
288
289 2008-04-01  George Helffrich  <george@gcc.gnu.org>
290
291         PR fortran/PR35154, fortran/PR23057
292         * fortran/trans-common.c (create_common):  Add decl to function
293         chain to preserve identifier scope in debug output.
294
295         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
296         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
297         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
298         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
299         in common.
300         (dbxout_syms): Check for COMMON-based symbol and wrap in
301         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
302         in bracket for efficiency.
303
304         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
305         using DW_TAG_common_block + member offset.
306         (add_pubname_string): New function.
307         (dw_expand_expr): New function to find block name and offset for
308         COMMON var.
309         (common_check): New function to check whether symbol in Fortran COMMON.
310         (gen_variable_die): If COMMON, use DW_TAG_common_block.
311
312         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
313         use of common is unchanged.
314
315         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
316         with all combinations of debug options available on target.
317         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
318         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
319         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
320         .stabs functionality.
321         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
322         DWARF functionality.
323
324 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
325
326         PR c/35436
327         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
328
329 2008-04-02  Ben Elliston  <bje@au.ibm.com>
330
331         * config/v850/v850.md (casesi): Remove if (0) code.
332         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
333         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
334
335 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
336
337         * config/i386/i386.md (rex64suffix): New mode attribute.
338         (floathi<mode>2): Disable expander for SSE math.
339         (*floathi<mode>2_1): New insn insn_and_split pattern.
340         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
341         corresponding post-reload splitters.
342         (*floathi<mode>2_i387): New macroized insn pattern.
343         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
344         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
345         insn_and_split pattern.
346         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
347         New macroized instruction patterns and corresponding post-reload
348         splitters.
349         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
350         and corresponding post-reload splitters.
351         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
352         New macroized instruction patterns.
353         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
354         macroized instruction patterns and corresponding post-reload splitters.
355         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
356         corresponding post-reload splitters.
357         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
358         New macroized instruction patterns.
359         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
360         corresponding post-reload splitters.
361         (*floatsi<mode>2_i387): New macroized instruction patterns.
362
363 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
364
365         * config/i386/i386.md (smaxmin): New.
366         (umaxmin): Likewise.
367         (maxminiprefix): Likewise.
368         (maxminfprefix): Likewise.
369         (<code><mode>3): Likewise.
370         (smin<mode>3): Removed.
371         (smax<mode>3): Likewise.
372
373         * config/i386/mmx.md (mmx_<code>v2sf3): New.
374         (mmx_<code>v4hi3): Likewise.
375         (mmx_<code>v8qi3): Likewise.
376         (mmx_smaxv2sf3): Removed.
377         (mmx_sminv2sf3): Likewise.
378         (mmx_umaxv8qi3): Likewise.
379         (mmx_smaxv4hi3): Likewise.
380         (mmx_uminv8qi3): Likewise.
381         (mmx_sminv4hi3): Likewise.
382
383         * config/i386/sse.md (<addsub><mode>3): New.
384         (*<addsub><mode>3): Likewise.
385         (<sse>_vm<addsub><mode>3): Likewise.
386         (<maxmin><mode>3): Likewise.
387         (*<maxmin><mode>3_finite): Likewise.
388         (*<maxmin><mode>3): Likewise.
389         (<sse>_vm<maxmin><mode>3): Likewise.
390         (sse3_h<addsub>v4sf3): Likewise.
391         (sse3_h<addsub>v2df3): Likewise.
392         (<maxmin>v16qi3): Likewise.
393         (*<maxmin>v16qi3): Likewise.
394         (<maxmin>v8hi3): Likewise.
395         (*<maxmin>v8hi3): Likewise.
396         (*sse4_1_<maxmin><mode>3): Likewise.
397         (*sse4_1_<maxmin><mode>3): Likewise.
398         (add<mode>3): Removed.
399         (*add<mode>3): Likewise.
400         (<sse>_vmadd<mode>3): Likewise.
401         (sub<mode>3): Likewise.
402         (*sub<mode>3): Likewise.
403         (<sse>_vmsub<mode>3): Likewise.
404         (smin<mode>3): Likewise.
405         (*smin<mode>3_finite): Likewise.
406         (*smin<mode>3): Likewise.
407         (<sse>_vmsmin<mode>3): Likewise.
408         (smax<mode>3): Likewise.
409         (*smax<mode>3_finite): Likewise.
410         (*smax<mode>3): Likewise.
411         (<sse>_vmsmax<mode>3): Likewise.
412         (sse3_haddv4sf3): Likewise.
413         (sse3_haddv2df3): Likewise.
414         (sse3_hsubv4sf3): Likewise.
415         (sse3_hsubv2df3): Likewise.
416         (umaxv16qi3): Likewise.
417         (*umaxv16qi3): Likewise.
418         (smaxv8hi3): Likewise.
419         (*smaxv8hi3): Likewise.
420         (*sse4_1_smax<mode>3): Likewise.
421         (*sse4_1_umax<mode>3): Likewise.
422         (uminv16qi3): Likewise.
423         (*uminv16qi3): Likewise.
424         (sminv8hi3): Likewise.
425         (*sminv8hi3): Likewise.
426         (*sse4_1_smin<mode>3): Likewise.
427         (*sse4_1_umin<mode>3): Likewise.
428
429 2008-04-01  Rafael Espindola  <espindola@google.com>
430
431         * tree-cfg.c (verify_expr): remove in_phi.
432         (verify_stmt): Don't call walk_tree with verify_expr. Use
433         is_gimple_min_invariant instead of is_gimple_val.
434
435 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
436
437         * doc/include/gpl_v3.texi: Update for manpage generation.
438         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
439         gpl.texi.
440         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
441         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
442         gpl_v3.texi instead of gpl.texi.
443         (gpl.pod): New.
444
445 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
446
447         PR pch/13675
448         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
449
450 2008-04-01  Rafael Espindola  <espindola@google.com>
451
452         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
453         (extract_code_and_val_from_cond): Use
454         extract_code_and_val_from_cond_with_ops.
455
456 2008-04-01  Jan Hubicka  <jh@suse.cz>
457
458         * function.c (free_after_compilation): Free epilogue_delay_list.
459         (prepare_function_start): Assert that previous compilation was freed.
460
461 2008-04-01  Jan Hubicka  <jh@suse.cz>
462             Jim Wilson  <wilson@tuliptree.org>
463             Andreas Tobler <andreast@gcc.gnu.org>
464
465         PR middle-end/35781
466         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
467         rtl.emit instead cfun->emit.
468         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
469         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
470
471 2008-04-01  Ben Elliston  <bje@au.ibm.com>
472
473         * doc/c-tree.texi (Function Basics): Fix grammatical error.
474
475 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
476
477         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
478         New options
479         (fprofile-use): Add var flag_profile_use
480         * coverage.c (coverage_begin_output): Do not open a gcno file for
481         output only if -ftest-coverage is set.
482         Do not add getpwd() to gcda file path.
483         (build_gcov_info): Check the new flag
484         flag_profile_datafile_relative_path.
485         (coverage_init): Use profile_data_prefix.
486         Read profile counter only if flag_profile_use is set.
487         * opts.c (common_handle_option): New option fprofile-use=,
488         fprofile-dir=, fprofile-generate=.
489         * toplev.c (profile_data_prefix): New variable definition.
490         * toplev.h (profile_data_prefix): New declaration.
491         * doc/invoke.tex (Option Summary, Optimization Options):
492         Add new options.
493
494 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
495
496         * varasm.c (output_constant_pool_1): In LABEL_REF check,
497         use tmp consistently.
498
499         PR target/35695
500         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
501         * config/ia64/ia64.c (rtx_needs_barrier): Handle
502         UNSPEC_FR_RECIP_APPROX_RES.
503         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
504
505 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
506
507         PR c/35750
508         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
509
510 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
511
512         PR middle-end/30186
513         * fold-const.c (fold_indirect_ref_1): Support accessing non first
514         element of the vector via a pointer.
515
516 2008-03-31  Ian Lance Taylor  <iant@google.com>
517
518         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
519
520 2008-03-31  Jan Hubicka  <jh@suse.cz>
521
522         * builtins.c (expand_builtin_setjmp_receiver): Update call of
523         get_arg_pointer_save_area.
524         * expr.c (init_expr): Just clear out rtl.expr.
525         * function.c (free_after_compilation): Clear out whole RTL structure.
526         (get_func_frame_size): Merge into ...
527         (get_frame_size): ... this one.
528         (assign_stack_local_1): Merge into ...
529         (assign_stack_local): ... this one.
530         (expand_function_end): Update call of get_arg_pointer_save_area.
531         (get_art_pointer_save_area): Remove cfun argument.
532         * function.h (emit_status): regno_pointer_align does not need length
533         attribute. Move x_regno_reg_rtx to ...
534         (regno_reg_rtx): ... new global array.
535         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
536         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
537         apply_args_value, forced_labels, stack_pointer_delta):
538         Update accestors.
539         (struct varasm_status): Move here from varasm.c
540         (struct rtl_data): New. Move here some fields from struct function.
541         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
542         frame_offset, stack_check_probe_note, arg_pointer_save_area,
543         used_temp_slots avail_temp_slots, temp_slot_level,
544         nonlocal_goto_handler_labels): Update accesstors.
545         (rtl): New global variable.
546         (struct function): Move some fileds to rtl_data.
547         (get_arg_pointer_save_area): Update prototype.
548         * emit-rtl.c (rtl): Declare.
549         (regno_reg_rtx): Declare.
550         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
551         Update.
552         (gen_reg_rtx): Update.
553         (init_virtual_regs): Do not tate emit_status argument.
554         (init_emit): Do not allocate emit.
555         * varasm.c (varasm_statuc): Move to function.h.
556         (n_deferred_constatns): Update accestor.
557         (init_varasm_status): Do not allocate varasm_status.
558         (force_const_mem, get_pool_size, output_constant_pool): Update.
559         * stmt.c (force_label_rtx): Do not use x_ prefixes.
560         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
561
562 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
563
564         PR rtl-optimization/35729
565         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
566         references.
567
568 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
569
570         PR target/32000
571         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
572         load/store if memory is unaligned.
573         (*movti_rex64): Likewise.
574
575         * config/i386/predicates.md (misaligned_operand): New.
576
577 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
578
579         PR tree-opt/35431
580         * tree-ssa-phiopt.c (conditional_replacement): Return early for
581         complex types.
582
583 2008-03-31  Jan Beulich  <jbeulich@novell.com>
584
585         * config/ia64/constraints.md: Add 'j' constraint.
586         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
587         (movdi_internal): Likewise.
588
589 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
590
591         PR c/35748
592         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
593
594 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
595
596         PR target/35757
597         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
598         proper error message for the third argument on blendpd and
599         blendps.
600
601         * config/i386/sse.md (blendbits): New.
602         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
603
604 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
605
606         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
607
608 2008-03-30  Richard Guenther  <rguenther@suse.de>
609
610         PR middle-end/31023
611         * fold-const.c (fold_sign_changed_comparison): Do leave
612         conversions to base-types alone.
613
614 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
615
616         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
617         the link register if one altivec register is be saved.
618
619 2008-03-30  Ben Elliston  <bje@au.ibm.com>
620
621         * final.c (final_scan_insn): Remove if (0) code.
622
623 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
624
625         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
626
627 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
628
629         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
630         of V4SFmode to ix86_binary_operator_ok.
631
632 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
633
634         * config/i386/i386.c (override_options): Initialize
635         ix86_veclib_handler to ix86_veclibabi_svml when
636         -mveclibabi=svml is used.
637         (ix86_veclibabi_svml): New function for SVML ABI style
638         vectorization support.
639         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
640
641 2008-03-28  Rafael Espindola  <espindola@google.com>
642
643         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
644         (tree_binary_nonnegative_warnv_p): Make it public.
645         (tree_single_nonnegative_warnv_p): Make it public.
646         (tree_invalid_nonnegative_warnv_p): Make it public.
647         (tree_unary_nonzero_warnv_p): Make it public.
648         (tree_binary_nonzero_warnv_p): Make it public
649         (tree_single_nonzero_warnv_p): Make it public.
650         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
651         (extract_range_from_binary_expr): Split the expr argument.
652         (extract_range_from_unary_expr): Split the expr argument.
653         (extract_range_from_comparison): Split the expr argument.
654         (extract_range_from_expr): Use the new aux functions.
655         (vrp_evaluate_conditional_warnv): Use
656         vrp_evaluate_conditional_warnv_with_ops.
657         * tree.h (tree_unary_nonzero_warnv_p): Declare.
658         (tree_binary_nonzero_warnv_p): Declare.
659         (tree_single_nonzero_warnv_p): Declare.
660         (tree_expr_nonzero_warnv_p): Declare.
661         (tree_unary_nonnegative_warnv_p): Declare.
662         (tree_binary_nonnegative_warnv_p): Declare.
663         (tree_single_nonnegative_warnv_p): Declare.
664         (tree_invalid_nonnegative_warnv_p): Declare.
665
666 2008-03-28  Richard Guenther  <rguenther@suse.de>
667
668         PR tree-optimization/30317
669         PR tree-optimization/30911
670         PR tree-optimization/34793
671         * tree-vrp.c (set_and_canonicalize_value_range): New function.
672         (struct assert_locus_d): New member EXPR.
673         (register_new_assert_for): Add EXPR parameter to support
674         ASSERT_EXPR <name, expr OP limit>.
675         (register_edge_assert_for_1): Adjust callers.
676         (find_assert_locations): Likewise.
677         (process_assert_insertions_for): Build condition from expression.
678         (extract_range_from_assert): Handle ASSERT_EXPRs
679         of the form ASSERT_EXPR <name, expr OP limit>.
680         (register_edge_assert_for_2): New helper registering
681         asserts for comparisons.  Recognize range tests of the form
682         (unsigned)i - CST1 OP CST2.
683         (register_edge_assert_for_1): Use it.
684         (register_edge_assert_for): Likewise.
685         (needs_overflow_infinity): Integer sub-types
686         do not need overflow infinities.
687         (vrp_val_is_max): The extreme values of integer sub-types
688         are those of the base type.
689         (vrp_val_is_min): Likewise.
690         * tree.def (ASSERT_EXPR): Document extra allowed conditional
691         expressions.
692
693 2008-03-28  Nick Clifton  <nickc@redhat.com>
694
695         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
696         Return GENERAL_REGS for stack adjustment reloads.
697
698 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
699
700         PR target/31334
701         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
702         const_vector when all the vectors are constant.
703
704 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
705
706         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
707         comparisons.
708         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
709         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
710         (scc_sf): New.
711         (s<code>_sf): Use new scc_sf attribute for opcode names.
712
713 2008-03-27  Tom Tromey  <tromey@redhat.com>
714
715         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
716         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
717         config/spu/t-spu-elf, config/i386/t-interix,
718         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
719         config/i386/x-darwin, config/i386/x-mingw32,
720         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
721         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
722         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
723         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
724         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
725         config/rs6000/x-darwin, config/rs6000/t-rs6000,
726         config/score/t-score-elf, config/arm/t-strongarm-pe,
727         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
728         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
729         Revert automatic dependency patch.
730
731 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
732
733         PR target/35657
734         * config/i386/i386.c (ix86_function_arg_boundary): Align
735         decimal floating point to its natural boundary.
736
737 2008-03-27  Richard Guenther  <rguenther@suse.de>
738
739         PR middle-end/35716
740         * fold-const.c (fold_comparison): Restrict distinct decl
741         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
742         solely rely on operand_equal_p.
743
744 2008-03-27  Richard Guenther  <rguenther@suse.de>
745
746         PR c/32511
747         * c-common.c (handle_weak_attribute): Reject combination of
748         weak and inline.
749
750 2008-03-27  Richard Guenther  <rguenther@suse.de>
751
752         PR tree-optimization/32810
753         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
754         conversions from DECL_INITIAL.
755         (fold_const_aggregate_ref): Likewise from constructor elements.
756
757 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
758
759         * tree-affine.h (aff_combination_expand): Declare.
760         (get_inner_reference_aff): Likewise.
761         * tree-affine.c (aff_combination_expand): Split out from
762         tree_to_aff_combination_expand.
763         (get_inner_reference_aff): New function.
764         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
765         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
766         (struct lim_aux_data): sm_done field removed.
767         (mem_ref_loc_p, mem_ref_locs_p): New types.
768         (struct mem_ref): Added id, stored, accesses_in_loop,
769         indep_loop, dep_loop, indep_ref, dep_ref fields.
770         Removed is_stored, locs and next fields.
771         (memory_accesses): New variable.
772         (movement_possibility): Do not allow moving statements
773         that store to memory.
774         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
775         New functions.
776         (determine_max_movement): For statements with memory references,
777         find the outermost loop in that the reference is independent.
778         (move_computations_stmt): Mark the virtual operands for renaming.
779         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
780         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
781         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
782         add_vop_ref_mapping, create_vop_ref_mapping_loop,
783         create_vop_ref_mapping, analyze_memory_references,
784         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
785         get_all_locs_in_loop, ref_always_accessed_p,
786         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
787         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
788         store_motion_loop, store_motion): New functions.
789         (struct vop_to_refs_elt): New type.
790         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
791         memref_hash, memref_eq, hoist_memory_references): Rewritten.
792         (schedule_sm): Replaced by...
793         (execute_sm): ... this.
794         (determine_lsm_ref, hoist_memory_references,
795         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
796         find_more_ref_vops, free_mem_ref, free_mem_refs,
797         determine_lsm_loop, determine_lsm): Removed.
798         (tree_ssa_lim_finalize): Free data structures used by store motion.
799         (tree_ssa_lim): Call analyze_memory_references.  Use
800         store_motion instead of determine_lsm.
801
802 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
803
804         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
805         rename tmake_file to m68hc11/t-m68hc11.
806         (mcore): Set inhibit_libc to true.
807         * config.host (alpha*-dec-*vms*): Set extra_programs.
808         (interix3*): Don't use host_xmake_file.
809         * configure.ac: Let config.gcc override inhibit_libc.
810         * configure: Regenerate.
811
812         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
813         * config/t-openbsd-thread: Remove commented out lines.
814         
815         * config/x-interix: Remove.
816
817         * config/m68hc11/t-m68hc11-gas: Rename to...
818         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
819
820         * config/mcore/t-mcore: Remove T_CFLAGS.
821         * config/mcore/t-mcore-pe: Likewise.
822
823 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
824
825         * configure.ac: Replace custom __GNU_SOURCE test with
826         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
827         * aclocal.m4: Regenerate.
828         * configure: Regenerate.
829         * config.in: Regenerate.
830
831 2008-03-27  Richard Guenther  <rguenther@suse.de>
832
833         * fold-const.c (target.h): Include.
834         (fold_comparison): Fold comparison of addresses of decls
835         that bind locally or of constants.  Consolidate address folding code.
836         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
837         results from fold_binary_to_constant.
838         (compare_values_warnv): Likewise.
839
840 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
841
842         PR middle-end/35429
843         * fold-const.c (fold_truthop): Check for integeral types when folding
844         a == 0 && b == 0 and a != 0 || b != 0 .
845
846 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
847
848         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
849
850 2008-03-26  Andreas Schwab  <schwab@suse.de>
851
852         * doc/invoke.texi: Fix use of @item vs. @itemx.
853
854 2008-03-26  Tom Tromey  <tromey@redhat.com>
855
856         * Makefile.in (build/gensupport.o, build/print-rtl.o,
857         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
858         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
859         build/gencodes.o, build/genconditions.o, build/genconfig.o,
860         build/genconstants.o, build/genemit.o, build/genextract.o,
861         build/genflags.o, build/genmddeps.o, build/genopinit.o,
862         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
863         options.h.
864
865 2008-03-26  Richard Guenther  <rguenther@suse.de>
866
867         Revert
868         2008-03-26  Richard Guenther  <rguenther@suse.de>
869
870         * fold-const.c (target.h): Include.
871         (fold_comparison): Fold comparison of addresses of two decls
872         that bind locally.  Consolidate address folding code.
873
874 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
875
876         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
877         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
878         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
879         dconstsqrt2, dconstthird, dconste and/or dconst10.
880         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
881         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
882         dconstsqrt2, dconste): Delete.
883         (init_emit_once): Likewise.  Simplify initializing dconstm1.
884         Constify variable.
885         * real.c (get_real_const): New.
886         * real.h (dconst3, dconst10, dconstm2, dconstthird,
887         dconstsqrt2, dconste): Delete.
888         (real_value_const, get_real_const): New.
889
890 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
891
892         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
893
894         * config/i386/i386.c (ix86_function_arg_boundary): Check
895         BIGGEST_ALIGNMENT instead of 128.
896         (setup_incoming_varargs_64): Likewise.
897
898 2008-03-26  Tom Tromey  <tromey@redhat.com>
899
900         * Makefile.in (DEPFILES): Add missing '/'.
901
902 2008-03-26  Richard Guenther  <rguenther@suse.de>
903
904         * fold-const.c (target.h): Include.
905         (fold_comparison): Fold comparison of addresses of two decls
906         that bind locally.  Consolidate address folding code.
907
908 2008-03-26  Nick Clifton  <nickc@redhat.com>
909
910         PR target/31232
911         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
912         not allow INT+INT as a legitimate addressing mode.
913
914 2008-03-26  Richard Guenther  <rguenther@suse.de>
915
916         * tree-flow.h (widen_bitfield): Remove declaration.
917         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
918         (widen_bitfield): Remove function.
919         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
920         code.
921
922 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
923
924         PR target/31558
925         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
926         error_mark_node's.
927
928 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
929
930         PR rtl-optimization/35232
931         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
932         (forget_old_reloads_1, forget_marked_reloads): Don't clear
933         reg_reloaded_call_part_clobbered here.
934         (reload_regs_reach_end_p): New function.
935         (reload_reg_rtx_for_input): New variable.
936         (reload_reg_rtx_for_output): Likewise.
937         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
938         when reassigning a pseudo register.  Load reloadreg from 
939         reload_reg_rtx_for_input, moving the mode and register
940         calculation to...
941         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
942         instead of the original when deciding whether an input reload
943         would be a no-op or whether an output reload can be deleted.
944         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
945         when setting up new_spill_reg_store.  Load it from
946         reload_reg_rtx_for_output, moving the mode and register
947         calculation to...
948         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
949         instead of the original when deciding whether an output reload
950         would be a no-op.  Do the same when modifying insn notes.
951         Use rtx_equal_p instead of == to compare the registers.
952         (inherit_piecemeal_p): Take a mode and two register numbers
953         as argument.
954         (emit_reload_insns): Clear new_spill_reg_store for every hard
955         register in the reload register.  Remove spill registers
956         from reg_reloaded_valid before considering whether to record
957         inheritance information for them.  Use reload_reg_rtx_for_output
958         instead of reg_rtx when recording output reloads.  Use
959         reload_reg_rtx_for_input instead of reg_rtx when recording
960         input reloads.  Set or clear reg_reloaded_call_part_clobbered
961         at the same time as setting reg_reloaded_valid.
962         (delete_output_reload): Add a new_reload_reg parameter and use it
963         instead of rld[j].reg_rtx.
964         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
965         calls accordingly.
966
967 2008-03-25  Tom Tromey  <tromey@redhat.com>
968
969         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
970         (build/genattr.o): Likewise.
971         (build/genattrtab.o): Likewise.
972         (build/gencodes.o): Likewise.
973         (build/genconfig.o): Likewise.
974         (build/genconstants.o): Likewise.
975         (build/genemit.o): Likewise.
976         (build/genextract.o): Likewise.
977         (build/genflags.o): Likewise.
978
979 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
980         
981         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
982         instead of size_int for integer types.
983         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
984         to match type of MINUS_EXPR.
985         
986 2008-03-25  Tom Tromey  <tromey@redhat.com>
987
988         * configure: Rebuilt.
989         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
990         Makefile.
991
992 2008-03-25  Tom Tromey  <tromey@redhat.com>
993
994         * config/x-solaris (host-solaris.o): Update.
995         * config/x-linux (host-linux.o): Update.
996         * config/x-hpux (host-hpux.o): Update.
997         * config/x-darwin (host-darwin.o): Update.
998         * config/v850/t-v850e (v850-c.o): Update.
999         * config/v850/t-v850 (v850-c.o): Update.
1000         * config/t-vxworks (vxworks.o): Update.
1001         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1002         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1003         * config/spu/t-spu-elf (spu-c.o): Update.
1004         (spu.o): Remove.
1005         * config/sh/t-symbian (sh-c.o): Update.
1006         (symbian.o): Update.
1007         * config/sh/t-sh (sh-c.o): Update.
1008         * config/score/t-score-elf (score7.o, score3.o): Update.
1009         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1010         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1011         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1012         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1013         (rs6000.o): Remove.
1014         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1015         * config/m32c/t-m32c (m32c-pragma.o): Update.
1016         * config/ia64/t-ia64 (ia64-c.o): Update.
1017         * config/i386/x-mingw32 (host-mingw32.o): Update.
1018         * config/i386/x-i386 (driver-i386.o): Update.
1019         * config/i386/x-darwin (host-i386-darwin.o): Update.
1020         * config/i386/x-cygwin (host-cygwin.o): Update.
1021         * config/i386/t-nwld (nwld.o): Update.
1022         * config/i386/t-netware (netware.o): Update.
1023         * config/i386/t-interix (winnt.o): Update.
1024         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1025         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1026         msformat-c.o): Update.
1027         * config/bfin/t-bfin-linux (generated_files): Add
1028         linux-sysroot-suffix.h.
1029         * config/arm/t-wince-pe (pe.o): Update.
1030         * config/arm/t-strongarm-pe (pe.o): Update.
1031         * config/arm/t-pe (pe.o): Update.
1032         * config/arm/t-arm (arm-c.o): Update.
1033         * doc/install.texi (Prerequisites): Require make 3.80.
1034         * Makefile.in: Remove .o targets.
1035         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1036         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1037         (simple_generated_h, simple_generated_c): Move earlier.
1038         (generated_files): New variable.
1039         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1040         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1041         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1042         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1043         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1044         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1045         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1046         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1047         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1048         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1049         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1050         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1051         (.c.o): Remove.
1052         (COMPILE.base, COMPILE): New variables.
1053         (%.o): New pattern rule.
1054         (ALL_HOST_OBJS): New variable.
1055         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1056         (dummy-checksum.o, cc1-checksum.o): Remove.
1057         (DRIVER_SHLIB): New variable.
1058         (DRIVER_DEFINES): Use it.
1059         (gencondmd.c): Move out of build/.
1060         (s-conditions): Update.
1061         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1062         (ALL_BUILD_OBJS): Likewise.
1063         (build/%.o): Use BUILDCOMPILE.
1064         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1065         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1066         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1067         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1068         build/genconfig.o, build/genconstants.o, build/genemit.o,
1069         build/genextract.o, build/genflags.o, build/genmddeps.o,
1070         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1071         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1072         build/gen-protos.o, build/scan.o, build/fix-header.o,
1073         build/scan-decls.o): Simplify.
1074         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1075         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1076         prefix.o, toplev.o): Reduce to variable setting.
1077         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1078         ($(out_object_file), gcc-options.o): New targets.
1079         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1080         * configure: Rebuilt.
1081         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1082         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1083
1084 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1085
1086         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1087         complain when we hit an error, return ERROR_MARK_NODE.
1088
1089 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1090
1091         * config/sh/constraints.md (Pso, Psz): New constraints.
1092         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1093         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1094
1095 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1096
1097         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1098         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1099
1100 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1101
1102         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1103         (prefetch_sh2a): New.   
1104
1105 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1106             Naveen.H.S  <naveen.hs@kpitcummins.com>
1107
1108         * config/sh/constraints.md (I28): New constraint.
1109         * config/sh/sh.c (broken_move): Add support for movi20s.
1110         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1111
1112 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1113             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1114             Naveen.H.S  <naveen.hs@kpitcummins.com>
1115
1116         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1117         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1118         (print_operand): Handle resbank in %@ operand code.
1119         (sh_encode_section_info): New.
1120         (push_regs): Add conditions for resbank.
1121         (sh_expand_epilogue): Likewise.
1122         (sh_insert_attributes): Likewise.
1123         (sh_attribute_table): Likewise.
1124         (sh_handle_resbank_handler_attribute): New.
1125         (sh2a_handle_function_vector_handler_attribute): New.
1126         (sh2a_is_function_vector_call): New.
1127         (sh2a_get_function_vector_number): New.
1128         (sh2a_function_vector_p): New.
1129         (sh_cfun_resbank_handler_p): New.
1130         * config/sh/sh.md (calli): Emit jsr/n if possible.
1131         (calli_tbr_rel): New.
1132         (calli_pcrel): Emit jsr/n if possible.
1133         (return_i): Emit rts/n if possible.
1134         (call_valuei_tbr_rel): New.
1135         (call_valuei_pcrel): Add condition for SH2A target.
1136         (call_value): Likewise.
1137         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1138         (sh2a_get_function_vector_number): Likewise.
1139         (sh2a_is_function_vector_call): Likewise.
1140         * doc/extend.texi: Document TBR relative addressing of SH2A.
1141         (resbank): Add description for SH2A.
1142
1143 2008-03-24  Richard Guenther  <rguenther@suse.de>
1144
1145         PR c/22371
1146         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1147         pointer assignments change conversions according to middle-end rules.
1148         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1149         * configure.ac: Include type checking in yes.
1150         * configure: Regenerate.
1151
1152 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1153
1154         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1155         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1156         
1157 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1158
1159         * gthr-vxworks.h (UNUSED): Define.
1160
1161 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1162
1163         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1164
1165 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1166
1167         * doc/extend.texi (Function Attributes): Add missing comma in the
1168         example of the "alloc_size" attribute.
1169         
1170 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1171
1172         Revert:
1173         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1174
1175         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1176         32bit host.
1177
1178         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1179
1180         PR target/35496
1181         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1182         of the underlying type of a MS bitfield layout to the natural
1183         alignment of the type.
1184
1185         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1186
1187         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1188         to their natural alignment to avoid store forwarding stalls.
1189
1190 2008-03-22  Richard Guenther  <rguenther@suse.de>
1191
1192         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1193         For PHI nodes verify the address is invariant.
1194         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1195         (get_symbol_constant_value): Use is_gimple_min_invariant.
1196         (maybe_fold_stmt_indirect): Likewise.
1197
1198 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1199
1200         PR rtl-optimization/33927
1201         * Makefile.in (dse.o): Depend on $(TM_P_H).
1202         * expr.h (extract_low_bits): Declare.
1203         * expmed.c (extract_low_bits): New function.
1204         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1205         * dse.c: Include tm_p.h.
1206         (find_shift_sequence): Remove the read_reg argument and return the
1207         read value.  Emit the instructions instead of returning them.
1208         Iterate on new_mode rather than calculating it each time.
1209         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1210         source to NEW_MODE and extract_low_bits to convert the shifted
1211         value to READ_MODE.
1212         (replace_read): Allow the load and store to have different mode
1213         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1214         or extraction instructions before trying the replacement.  Update
1215         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1216
1217 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1220         to their natural alignment to avoid store forwarding stalls.
1221
1222 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1223
1224         PR target/27946
1225         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1226         encouraging but not allowing gprs for input;
1227         change the input constraint to !f#r.
1228         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1229         gprs for output;
1230         change the output constraint to !f#r.
1231
1232 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1233
1234         PR target/13958
1235         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1236         corresponding post-reload splitters.
1237         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1238         when x87 FP math is selected.
1239         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1240         New function prototype.
1241         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1242         unreachable function to ease macroization of insn patterns.
1243
1244 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1245
1246         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1247         reference dumps if ddr is NULL or dependence is unknown.
1248
1249 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1250
1251         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1252         unsigned extension into account.
1253         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1254         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1255         Do computations on a scratch register.
1256
1257 2008-03-21  Richard Guenther  <rguenther@suse.de>
1258
1259         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1260         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1261         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1262         * tree-ssa-dom.c (record_equality): Likewise.
1263         * tree-inline.c (copy_body_r): Likewise.
1264         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1265         TREE_INVARIANT.
1266
1267 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1268
1269         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1270         as 'delete_unused' argument.
1271
1272 2008-03-20  Richard Guenther  <rguenther@suse.de>
1273
1274         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1275         special casing of constant qualifiers.
1276         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1277         care about them in general.
1278         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1279         regardless of their type.
1280         (fold_stmt_r): Forcefully fold *& if we end up with that.
1281
1282 2008-03-20  Paul Brook  <paul@codesourcery.com>
1283
1284         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1285         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1286         linker flags.
1287         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1288         definition.
1289         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1290         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1291
1292 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1293
1294         * common.opt (Wmudflap): New option.
1295         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1296         (mx_register_decls): Likewise.
1297         (mudflap_finish_file): Likewise.
1298         * doc/invoke.texi: Document -Wno-mudflap.
1299
1300 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1301
1302         * c-format.c (replace_format_name_to_system_name): New.
1303         (cmp_attribs): New.
1304         (convert_format_name_to_system_name): New.
1305         (decode_format_attr): Add use of convert_format_name_to_system_name.
1306         (format_types_orig): Add gnu_ prefix to names.
1307         (check_format_info_main): Special treating of \0 escaped names for
1308         supporting multi-character format specifiers as I32, I64.
1309         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1310         (gnu_target_overrides_format_attributes): New.
1311         * c-format.h: Add structure target_ovr_attr to hold
1312         system specific formatter names.
1313         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1314         msformat-c.o file to c_target_objs and cxx_target_objs.
1315         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1316         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1317         (TARGET_N_FORMAT_TYPES): New.
1318         * config/i386/msformat-c.c: New.
1319         * config/i386/t-cygming: Add build rule for msformat-c.o.
1320         * doc/extend.texi: Add new format names gnu_* and ms_* and
1321         further details.
1322         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1323
1324 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1325
1326         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1327         optimizations turned on under -O3.
1328         (ftree-vectorize): Add that the flag is turned on with -O3.
1329
1330 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1331
1332         * regmove.c (try_auto_increment): Fix spelling error in comment.
1333         * final.c (final_scan_insn): Likewise.
1334
1335 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1336
1337         PR target/14552
1338         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1339         allocator preferences for "y" and "r" class registers.
1340         ("*mov<mode>_internal"): Ditto.
1341         ("*movv2sf_internal_rex64"): Ditto.
1342         ("*movv2sf_internal"): Ditto.
1343
1344 2008-03-19  Michael Matz  <matz@suse.de>
1345
1346         PR middle-end/35616
1347         * calls.c (expand_call): Check overlap of arguments with call
1348         address for sibcalls.
1349
1350 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1351
1352         PR target/35496
1353         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1354         of the underlying type of a MS bitfield layout to the natural
1355         alignment of the type.
1356
1357 2008-03-19  Jan Hubicka  <jh@suse.cz>
1358
1359         PR other/35094
1360         * toplev.c (decode_d_option): Handle all CPP flags.
1361         * tree-vrp.c: Update tree_pass descriptors.
1362         * regrename.c: Update tree_pass descriptors.
1363         * fwprop.c: Update tree_pass descriptors.
1364         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1365         * tree-into-ssa.c: Update tree_pass descriptors.
1366         * tree-dump.c: Update tree_pass descriptors.
1367         * tree-complex.c: Update tree_pass descriptors.
1368         * tree-dump.h: Update tree_pass descriptors.
1369         * see.c: Update tree_pass descriptors.
1370         * cgraphbuild.c: Update tree_pass descriptors.
1371         * tracer.c: Update tree_pass descriptors.
1372         * tree-loop-distribution.c: Update tree_pass descriptors.
1373         * cgraph.c: Update tree_pass descriptors.
1374         * postreload-gcse.c: Update tree_pass descriptors.
1375         * postreload.c: Update tree_pass descriptors.
1376         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1377         * tree-tailcall.c: Update tree_pass descriptors.
1378         * tree-pass.h (tree_opt_pass): Rename to ...
1379         (opt_pass) ... this one; add "type" field and remove letter field.
1380         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1381         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1382         all_lowering_passes): Update declaration.
1383         * ipa-cp.c: Update tree_pass descriptors.
1384         * final.c: Update tree_pass descriptors.
1385         * omp-low.c: Update tree_pass descriptors.
1386         * tree-ssa-dse.c: Update tree_pass descriptors.
1387         * ipa-reference.c: Update tree_pass descriptors.
1388         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1389         * auto-inc-dec.c: Update tree_pass descriptors.
1390         * reorg.c: Update tree_pass descriptors.
1391         * cgraphunit.c: Update tree_pass descriptors.
1392         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1393         * tree-ssa-ccp.c: Update tree_pass descriptors.
1394         * df-core.c: Update tree_pass descriptors.
1395         * mode-switching.c: Update tree_pass descriptors.
1396         * tree-nomudflap.c: Update tree_pass descriptors.
1397         * modulo-sched.c: Update tree_pass descriptors.
1398         * ipa-pure-const.c: Update tree_pass descriptors.
1399         * cse.c: Update tree_pass descriptors.
1400         * web.c: Update tree_pass descriptors.
1401         * tree-stdarg.c: Update tree_pass descriptors.
1402         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1403         * tree-ssa-dom.c: Update tree_pass descriptors.
1404         * tree-nrv.c: Update tree_pass descriptors.
1405         * tree-ssa-alias.c: Update tree_pass descriptors.
1406         * loop-init.c: Update tree_pass descriptors.
1407         * gimple-low.c: Update tree_pass descriptors.
1408         * ipa-inline.c: Update tree_pass descriptors.
1409         * tree-ssa-sink.c: Update tree_pass descriptors.
1410         * global.c: Update tree_pass descriptors.
1411         * ifcvt.c: Update tree_pass descriptors.
1412         * jump.c: Update tree_pass descriptors.
1413         * predict.c: Update tree_pass descriptors.
1414         * tree-ssa-loop.c: Update tree_pass descriptors.
1415         * recog.c: Update tree_pass descriptors.
1416         * dse.c: Update tree_pass descriptors.
1417         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1418         * tree-eh.c: Update tree_pass descriptors.
1419         * regmove.c: Update tree_pass descriptors.
1420         * local-alloc.c
1421         * function.c: Update tree_pass descriptors.
1422         * tree-vectorizer.c: Update tree_pass descriptors.
1423         * gcse.c: Update tree_pass descriptors.
1424         * ipa-type-escape.c: Update tree_pass descriptors.
1425         * tree-if-conv.c: Update tree_pass descriptors.
1426         * init-regs.c: Update tree_pass descriptors.
1427         * ipa.c: Update tree_pass descriptors.
1428         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1429         * rtl-factoring.c: Update tree_pass descriptors.
1430         * lower-subreg.c: Update tree_pass descriptors.
1431         * bt-load.c: Update tree_pass descriptors.
1432         * tree-dfa.c: Update tree_pass descriptors.
1433         * except.c: Update tree_pass descriptors.
1434         * emit-rtl.c: Update tree_pass descriptors.
1435         * cfgexpand.c: Update tree_pass descriptors.
1436         * tree-cfgcleanup.c: Update tree_pass descriptors.
1437         * cfgcleanup.c: Update tree_pass descriptors.
1438         * tree-ssa-pre.c: Update tree_pass descriptors.
1439         * tree-sra.c: Update tree_pass descriptors.
1440         * tree-mudflap.c: Update tree_pass descriptors.
1441         * tree-ssa-copy.c: Update tree_pass descriptors.
1442         * cfglayout.c: Update tree_pass descriptors.
1443         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1444         * tree-ssa-dce.c: Update tree_pass descriptors.
1445         * tree-ssa.c: Update tree_pass descriptors.
1446         * regclass.c: Update tree_pass descriptors.
1447         * integrate.c: Update tree_pass descriptors.
1448         * tree-optimize.c: Update tree_pass descriptors.
1449         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1450         * tree-object-size.c: Update tree_pass descriptors.
1451         * combine.c: Update tree_pass descriptors.
1452         * tree-outof-ssa.c: Update tree_pass descriptors.
1453         * bb-reorder.c: Update tree_pass descriptors.
1454         * stack-ptr-mod.c: Update tree_pass descriptors.
1455         * var-tracking.c: Update tree_pass descriptors.
1456         * tree-profile.c: Update tree_pass descriptors.
1457         * tree-vect-generic.c: Update tree_pass descriptors.
1458         * reg-stack.c: Update tree_pass descriptors.
1459         * sched-rgn.c: Update tree_pass descriptors.
1460         * tree-ssa-structalias.c: Update tree_pass descriptors.
1461         * tree-cfg.c: Update tree_pass descriptors.
1462         * passes.c (current_pass): Update declaration.
1463         (finish_optimization_passes): Update.
1464         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1465         (register_one_dump_file, register_dump_files_1, next_pass_1):
1466         Update arguments.
1467         (init_optimization_passes): Update handling of new types.
1468         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1469         * ipa-struct-reorg.c: Update tree_pass descriptors.
1470         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1471         * combine-stack-adj.c: Update tree_pass descriptors.
1472         * cfgrtl.c: Update tree_pass descriptors.
1473         * dce.c: Update tree_pass descriptors.
1474         * tree-ssanames.c: Update tree_pass descriptors.
1475
1476 2008-03-19  Richard Guenther  <rguenther@suse.de>
1477
1478         PR middle-end/35609
1479         * tree-ssa.c (walk_data): New structure.
1480         (warn_uninitialized_var): If not always_executed warn with "maybe"
1481         instead of "is".
1482         (execute_early_warn_uninitialized): Compute post-dominators.
1483         Initialize always_executed before processing each basic block.
1484
1485 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1486
1487         PR target/35504
1488         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1489         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1490
1491 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1492
1493         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1494
1495 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1496
1497         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1498         is true.
1499         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1500         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1501         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1502         target after ignore has been set, and move there also the commputation
1503         of subtarget and original_target.
1504         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1505         (LANG_HOOKS_INITIALIZER): Remove it.
1506         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1507
1508 2008-03-18  Richard Guenther  <rguenther@suse.de>
1509
1510         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1511         found an expression with constants, note that in the VN for the lhs.
1512         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1513         fold them to constants if possible.  Run cleanup_cfg if done so.
1514         (execute_pre): Return todo.
1515         (do_pre): Likewise.
1516         (execute_fre): Likewise.
1517         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1518         of constants.
1519         (get_prop_source_stmt): Look through pointer conversions.
1520
1521 2008-03-18  Jan Hubicka  <jh@suse.cz>
1522
1523         * tree-pretty-print.c: Include predict.h.
1524         (dump_generic_node): Dump predictor.
1525         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1526         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1527         * gimple-low.c (lower_stmt): Likewise.
1528         * expr.c (expand_expr_real): Likewise.
1529         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1530         them.
1531         (build_predict_expr, build_predict_expr): New.
1532         * predict.h (predictor_name, build_predict_expr): Update.
1533         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1534         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1535         * predict.def (PRED_CONTINUE): Update hitrate.
1536         * tree.def (PREDICT_EXPR): Define.
1537         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1538         do not handle BIND_EXPR.
1539         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1540         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1541         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1542         operands.
1543
1544 2008-03-18  Michael Matz  <matz@suse.de>
1545
1546         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1547
1548 2008-03-18  Richard Guenther  <rguenther@suse.de>
1549
1550         * tree-gimple.h (is_gimple_invariant_address): Declare.
1551         (is_gimple_constant): Likewise.
1552         * tree-gimple.c (is_gimple_constant): New function.
1553         (is_gimple_invariant_address): Likewise.
1554         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1555         and is_gimple_invariant_address.
1556         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1557         previous change.
1558         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1559         an addressable base.
1560
1561 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1562
1563         PR middle-end/35611
1564         * gimplify.c (gimplify_expr): Gimplify second operand of
1565         OMP_ATOMIC_LOAD.
1566
1567 2008-03-17  Richard Guenther  <rguenther@suse.de>
1568
1569         PR tree-optimization/19637
1570         * fold-const.c (fold_unary): Remove restrictions of removing
1571         intermediate pointer-conversions (P2)(P1)P0.
1572         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1573         conversion to void pointer.
1574         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1575
1576 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1577
1578         PR debug/31510
1579         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1580         emulated thread local variables.
1581
1582 2008-03-16  Richard Guenther  <rguenther@suse.de>
1583
1584         PR middle-end/35607
1585         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1586         expand TREE_INVARIANT operations that are not gimple invariant.
1587
1588 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1589
1590         * doc/extend.texi (Alignment): Say that the ABI controls
1591         the __alignof__ for non-strict-alignment targets rather
1592         than being a recommendation.
1593
1594 2008-03-15  Paul Brook  <paul@codesourcery.com>
1595
1596         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1597         annotations.
1598         (arm_output_fn_unwind): Mark functions that can not be unwound.
1599
1600 2008-03-15  Paul Brook  <paul@codesourcery.com>
1601
1602         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1603         extension instructions.
1604
1605 2008-03-15  Richard Guenther  <rguenther@suse.de>
1606
1607         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1608         and fold constant aggregate refs.
1609         (fold_const_aggregate_ref): Handle string constants
1610         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1611         (evaluate_stmt): Simplify now that ccp_fold folds constant
1612         aggregate refs.
1613
1614 2008-03-15  Paul Brook  <paul@codesourcery.com>
1615
1616         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1617         (extzv): Use gen_extzv_t2.
1618         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1619
1620 2008-03-15  Richard Guenther  <rguenther@suse.de>
1621
1622         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1623         (fold_const_aggregate_ref): Likewise.
1624         (get_value): Return NULL if we don't have any values.
1625         (ccp_finalize): Set const_val to NULL after freeing it.
1626         * tree-flow.h (get_symbol_constant_value): Declare.
1627         (fold_const_aggregate_ref): Likewise.
1628         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1629
1630 2008-03-15  Richard Guenther  <rguenther@suse.de>
1631
1632         PR middle-end/35593
1633         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1634         to not produce negative array indices if not allowed.  Add
1635         parameter to indicate that.
1636         (maybe_fold_offset_to_component_ref): Allow negative array
1637         indices only for the first member of a structure.
1638         (maybe_fold_offset_to_reference): Allow negative array indices.
1639         (maybe_fold_stmt_addition): Likewise.
1640
1641 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1642             Anatoly Sokolov <aesok@post.ru>
1643
1644         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1645         (avr_arch): Add ARCH_AVR6.
1646         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1647         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1648         instead of fixed value 2.
1649         (print_operand_address): Use gs() asm specifier instead of pm().
1650         (avr_assemble_integer): (Ditto.).
1651         (avr_output_addr_vec_elt): (Ditto.).
1652         (print_operand): Handle "!" code.
1653         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1654         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1655         (AVR_HAVE_EIJMP_EICALL): Define.
1656         (AVR_3_BYTE_PC): Redefine.
1657         (AVR_2_BYTE_PC): (Ditto.).
1658         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1659         (LINK_SPEC): Add atmega2560 and atmega2561.
1660         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1661         (crtm2561.o).
1662         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1663         for 3 byte PC devices.
1664         (call_value_insn): (Ditto.).
1665         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1666         (indirect_jump): Use only for for 2 byte PC devices.
1667         (*tablejump): (Ditto.).
1668         (*indirect_jump_avr6): Add insn.
1669         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1670         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1671         instead of ijmp for 3 byte PC devices.
1672         (__tablejump2__): (Ditto.).
1673         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1674         (MULITLIB_DIRNAMES): (Ditto.). 
1675         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1676
1677 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1678
1679         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1680         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1681         ("mmx_psadbw"): Use V1DI mode for operand 0.
1682         * config/i386/i386-modes.def (V1SI): New vector mode.
1683         * config/i386/i386.c (struct builtin_description)
1684         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1685         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1686         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1687         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1688         v1di_ftype_v8qi_v8qi type.
1689         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1690
1691         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1692         __builtin_ia32_pmuludq]: Fix the mode of return value.
1693
1694 2008-03-15  Richard Guenther  <rguenther@suse.de>
1695
1696         PR middle-end/35595
1697         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1698         being a PHI_NODE.
1699
1700 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1701         
1702         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1703         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1704         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1705         unless TARGET_SERIALIZE_VOLATILE is enabled.
1706         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1707         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1708         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1709
1710 2008-03-14  Richard Guenther  <rguenther@suse.de>
1711
1712         PR tree-optimization/34172
1713         * tree-flow.h (refs_may_alias_p): Declare.
1714         (get_single_def_stmt): Likewise.
1715         (get_single_def_stmt_from_phi): Likewise.
1716         (get_single_def_stmt_with_phi): Likewise.
1717         * tree-dfa.c (refs_may_alias_p): New function.
1718         (get_single_def_stmt): Likewise.
1719         (get_single_def_stmt_from_phi): Likewise.
1720         (get_single_def_stmt_with_phi): Likewise.
1721         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1722         (vn_reference_lookup_1): New helper function.
1723         (vn_reference_lookup): Walk the virtual use-def chain to
1724         continue searching for a match if the def does not alias the
1725         reference we are looking for.
1726
1727 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1728
1729         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1730         archive and Perzl.  Update The Written Word listing.
1731
1732 2008-03-14  Richard Guenther  <rguenther@suse.de>
1733
1734         PR tree-optimization/34043
1735         PR tree-optimization/33989
1736         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1737         when doing FRE.
1738         (bitmap_find_leader): Use extra argument to verify dominance
1739         relationship inside a basic-block.
1740         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1741         (find_leader_in_sets): Adjust.
1742         (create_component_ref_by_pieces): Take extra argument for
1743         dominance check, handle lookup failures.
1744         (find_or_generate_expression): Likewise.
1745         (create_expression_by_pieces): Likewise.
1746         (insert_into_preds_of_block): Adjust.
1747         (create_value_expr_from): If asked for, verify all operands
1748         are in the blocks AVAIL_OUT set.
1749         (make_values_for_stmt): Check for SSA_NAMEs that are life
1750         over an abnormal edge.
1751         (compute_avail): Remove such check.
1752         (do_SCCVN_insertion): New function.
1753         (eliminate): If we do not find a leader suitable for replacement
1754         insert a replacement expression from SCCVN if available.
1755         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1756         (struct vn_ssa_aux): Add needs_insertion flag.
1757         * tree-ssa-sccvn.c (may_insert): New global flag.
1758         (copy_reference_ops_from_ref): Value-number union member access
1759         based on its size, not type and member if insertion is allowed.
1760         (visit_reference_op_load): For a weak match from union type
1761         punning lookup a view-converted value and insert a SSA_NAME
1762         for that value if that is not found.
1763         (visit_use): Make dumps shorter.  Do not disallow value numbering
1764         SSA_NAMEs that are life over an abnormal edge to constants.
1765         (free_scc_vn): Release inserted SSA_NAMEs.
1766         (run_scc_vn): New flag to specify whether insertion is allowed.
1767         Process SSA_NAMEs in forward order.
1768         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1769         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1770         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1771         pointer type to/from integral types that do not change the
1772         precision to regular conversions.
1773
1774 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1777         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1778         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1779         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1780         input arguments and the mode of return value.  Built-in functions
1781         that operate on whole 64-bit MMX register now use V1DI mode.
1782
1783 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1784             Olga Golovanevsky  <olga@il.ibm.com>
1785
1786         PR tree-optimization/35041
1787         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1788         to locate the right position in a statement.
1789
1790 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1791
1792         PR target/34000
1793         PR target/35553
1794         * config/i386/xmmintrin.h:  Change all static inline functions to
1795         extern inline and add __gnu_inline__ attribute.
1796         * config/i386/bmintrin.h: Ditto.
1797         * config/i386/smmintrin.h: Ditto.
1798         * config/i386/tmmintrin.h: Ditto.
1799         * config/i386/mmintrin-common.h: Ditto.
1800         * config/i386/ammintrin.h: Ditto.
1801         * config/i386/emmintrin.h: Ditto.
1802         * config/i386/pmmintrin.h: Ditto.
1803         * config/i386/mmintrin.h: Ditto.
1804         * config/i386/mm3dnow.h: Ditto.
1805
1806 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1807
1808         PR middle-end/35185
1809         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1810         (lower_omp_2): New function.
1811         (lower_omp_1, lower_omp): Rewritten.
1812
1813 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1814
1815         PR 35054
1816         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1817         with the phrase "Microsoft Windows compilers".
1818         (Push/Pop Macro Pragmas): New subsection. Document
1819         #pragma push_macro and pragma pop_macro.
1820
1821 2008-03-12  Paul Brook  <paul@codesourcery.com>
1822
1823         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1824
1825 2008-03-12  Paul Brook  <paul@codesourcery.com>
1826
1827         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1828         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1829         (thumb2_addsi_shortim): Rename ...
1830         (thumb2_addsi_short): ... to this.  Allow register operands.
1831         (thumb2_subsi_short): New pattern.
1832         (thumb2_one_cmplsi2_short,
1833         thumb2_negsi2_short): New patterns and peepholes.
1834
1835 2008-03-12  Paul Brook  <paul@codesourcery.com>
1836
1837         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1838
1839 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         * config/i386/i386.md (int_cond): New code iterator.
1842         (fp_cond): Ditto.
1843         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1844         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1845         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1846         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1847         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1848         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1849         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1850         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1851
1852 2008-03-12  Paul Brook  <paul@codesourcery.com>
1853
1854         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1855         instead of {arm,thumb}_compute_save_reg_mask.
1856         (output_return_instruction): Ditto.
1857         (thumb_unexpanded_epilogue): Ditto.
1858         (thumb1_expand_prologue): Ditto.
1859         (thumb1_output_function_prologue): Ditto.
1860         (arm_set_return_address): Ditto.
1861         (thumb_set_return_address): Ditto.
1862         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1863         regs to achieve stack alignment.
1864         (thumb1_compute_save_reg_mask): Fix compiler warning.
1865         (arm_output_epilogue): Use offsets->saved_regs_mask.
1866         Adjust stack pointer by poping call clobered registers.
1867         (arm_expand_prologue): Use offsets->saved_regs_mask.
1868         Adjust stack pointer by pushing extra registers.
1869         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1870
1871 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1872
1873         PR tree-opt/35422
1874         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1875         conversion to the operands of a multiplication.
1876
1877 2008-03-12  Richard Guenther  <rguenther@suse.de>
1878
1879         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1880         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1881         * timevar.def (TV_TREE_PHIPROP): Add.
1882         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1883         pass description.  Use TV_TREE_PHIPROP.
1884         * tree-ssa-forwprop.c: Remove phiprop code.
1885
1886 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1887
1888         PR middle-end/35549
1889         * omp-low.c (maybe_lookup_decl): Constify first argument.
1890         (use_pointer_for_field): Change last argument from bool to
1891         omp_context *.  Disallow shared copy-in/out in nested
1892         parallel if decl is shared in outer parallel too.
1893         (build_outer_var_ref, scan_sharing_clauses,
1894         lower_rec_input_clauses, lower_copyprivate_clauses,
1895         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1896
1897 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1898             Ira Rosen  <irar@il.ibm.com>
1899
1900         * tree-vectorizer.c (free_stmt_vec_info): New function.
1901         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1902         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1903         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1904         * tree-vect-transform.c (vectorizable_conversion): Free
1905         vec_oprnds0 if it was allocated.
1906         (vect_permute_store_chain): Remove unused VECs.
1907         (vectorizable_store): Free VECs that are allocated in the..
1908         function.
1909         (vect_transform_strided_load, vectorizable_load): Likewise.
1910         (vect_remove_stores): Simplify the code.
1911         (vect_transform_loop): Move code to vect_remove_stores().
1912         Call vect_remove_stores() and free_stmt_vec_info().
1913
1914 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1915
1916         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1917         TARGET_HPUX.  Revise comment.
1918         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1919         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1920         Use sr4 variant of `be' instruction when not generating PIC code.
1921         (attr_length_call): Adjust for above change.
1922
1923 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1924
1925         * ipa-reference.c (static_execute): Remove module_statics_const and
1926         associated setting code.
1927
1928 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1929
1930         PR target/35540
1931         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1932         predicate for operand 1.
1933         (paritysi2_cmp): Use register_operand predicate for operand 2.
1934         Use earlyclobber modifier for operand 1.  Remove support for
1935         memory operands.
1936         (paritydi2_cmp): Use register_operand predicate for operand 3.
1937         Use earlyclobber modifier for operand 1.  Remove support for
1938         memory operands.
1939
1940 2008-03-11  Paul Brook  <paul@codesourcery.com>
1941             Vladimir Prus  <vladimir@codesourcery.com>
1942
1943         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1944         (arm_compute_save_reg0_reg12_mask): Always
1945         check if register 11 must be saved.  Always safe hard frame pointer
1946         when frame_pointer_needeed.
1947         (arm_compute_save_reg_mask): Save IP and PC
1948         only with apcs frames.
1949         (arm_output_epilogue): Adjust Thumb2 codepath to
1950         be also invoked and work for ARM non-apcs frames.
1951         (arm_expand_prologue): Don't bother saving IP
1952         for non-apcs frame, since it's not clobbered by
1953         prologue code.  Implement non-apcs frame
1954         layout.
1955
1956 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1957
1958         PR rtl-optimization/35281
1959         * expr.c (convert_move): Use a new pseudo for the intermediate
1960         from_mode->word_mode result.
1961
1962 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1963
1964         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1965         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1966         * toplev.c (compile_file): Don't call it.
1967
1968 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1969
1970         PR middle-end/35526
1971         * expr.c (store_expr): Call emit_block_move if the mode
1972         of "temp" RTX is BLKmode.
1973
1974 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1975             Richard Guenther  <rguenther@suse.de>
1976
1977         PR tree-optimization/31358
1978         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1979         the step with a NULL_TREE.
1980         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1981         to sizetype if type is a pointer type.
1982         (add_candidate_1): Don't convert the base and step to
1983         the generic type if the orginal type is a pointer type.
1984         (add_iv_value_candidates): Use sizetype for the step
1985         if type is a pointer type.
1986         (cand_value_at): Likewise.
1987         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1988         for pointer types.
1989         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1990         Don't convert the tem affine to the type.
1991         (add_elt_to_tree): Use sizetype for the step if a pointer.
1992         Use POINTER_PLUS_EXPR for pointers.
1993         (aff_combination_to_tree): Use sizetype for the step if a
1994         pointer.
1995
1996 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1997
1998         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1999         Remove commutativity hint.
2000
2001 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2002
2003         PR c/35438
2004         PR c/35439
2005         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2006         errorneous type.  Check that v is a VAR_DECL.
2007
2008         PR middle-end/35099
2009         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2010
2011 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2012
2013         PR tree-optimization/35494
2014         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2015         may be overriden at link and run time.
2016
2017 2008-03-10  Richard Guenther  <rguenther@suse.de>
2018
2019         PR tree-optimization/34677
2020         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2021         (poolify_tree): Likewise.
2022         (modify_expr_template): Likewise.
2023         (poolify_modify_stmt): Likewise.
2024         (insert_fake_stores): Handle all component-ref style stores
2025         in addition to INDIRECT_REF.  Also handle complex types.
2026         Do not poolify the inserted load.
2027         (realify_fake_stores): Do not rebuild the tree but only
2028         make it a SSA_NAME copy.
2029         (init_pre): Remove initialzation of modify_expr_template.
2030         Do not allocate modify_expr_node_pool.
2031         (fini_pre): Do not free modify_expr_node_pool.
2032
2033 2008-03-10  Paul Brook  <paul@codesourcery.com>
2034
2035         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2036         to avoid conflicts.
2037
2038 2008-03-10  Paul Brook  <paul@codesourcery.com>
2039             Mark Shinwell  <shinwell@codesourcery.com>
2040
2041         * config/arm/cortex-r4.md: New.
2042         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2043         insn attributes.
2044         * config/arm/arm.md: Include cortex-r4.md.
2045         (insn): Add smmls, sdiv and udiv values.
2046         (generic_sched): Don't use generic scheduling for Cortex-R4.
2047         (arm_issue_rate): New function.
2048         (TARGET_SCHED_ISSUE_RATE): Define.
2049
2050 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2051
2052         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2053
2054 2008-03-10  Richard Guenther  <rguenther@suse.de>
2055
2056         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2057         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2058
2059 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2060
2061         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2062         Set default to true.
2063
2064 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2065
2066         * c.opt (Wsynth): Deprecate.
2067         * doc/invoke.texi (Option Summary, Warning Options): Document
2068         -Wno-format-contains-nul.
2069
2070 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2071
2072         PR target/35496
2073         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2074         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2075
2076 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2077
2078         * config/rs6000/rs6000.c (builtin_description): Rename vector
2079         left shift operations.
2080         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2081         (altivec_vsl<VI_char>): Rename to ...
2082         (ashl<mode>3): ... new name.
2083         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2084         gen_ashlv4si3.
2085         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2086
2087 2008-03-08  Richard Guenther  <rguenther@suse.de>
2088
2089         * coverage.h (tree_coverage_counter_addr): Declare.
2090         * coverage.c (tree_coverage_counter_addr): New function.
2091         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2092         before using again.
2093         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2094         (tree_gen_one_value_profiler): Likewise.
2095         (tree_gen_ic_profiler): Likewise.
2096         (tree_gen_average_profiler): Likewise.
2097         (tree_gen_ior_profiler): Likewise.
2098
2099 2008-03-08  Richard Guenther  <rguenther@suse.de>
2100
2101         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2102         (vn_binary_op_insert): Likewise.
2103         (vn_unary_op_lookup): Likewise.
2104         (vn_unary_op_insert): Likewise.
2105         (vn_nary_op_lookup): Declare.
2106         (vn_nary_op_insert): Likewise.
2107         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2108         and binary hashes, use a single obstack for unary_op_pool
2109         and binary_op_pool.
2110         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2111         a single struct vn_nary_op_s.  Store tree code length and
2112         a variable number of operands.
2113         (struct vn_reference_op_struct): Remove unused op2.
2114         (vn_reference_op_eq): Do not compare op2.
2115         (vn_reference_op_compute_hash): Do not compute hash of op2.
2116         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2117         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2118         with vn_nary_op_compute_hash.
2119         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2120         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2121         vn_nary_op_lookup.
2122         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2123         vn_nary_op_insert.
2124         (visit_unary_op): Call nary functions.
2125         (visit_binary_op): Likewise.
2126         (process_scc): Adjust for struct vn_tables_s changes.
2127         (allocate_vn_table): Likewise.
2128         (free_vn_table): Likewise.
2129         * tree-vn.c (vn_add): Call nary functions.
2130         (vn_lookup): Likewise.
2131
2132 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2133
2134         PR target/35498
2135         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2136         wdst back after sync_compare_and_swapqhi_internal.
2137
2138 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2139
2140         PR target/22152
2141         * config/i386/i386-modes.def (V1DI): New vector mode.
2142         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2143         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2144         (MMXMODE248): Ditto.
2145         (MMXMODE): Add V1DI mode.
2146         (mmxvecsize): Change DI mode to V1DI mode.
2147         ("mov<mode>): Use MMXMODEI8 mode iterator.
2148         ("*mov<mode>_internal_rex64"): Ditto.
2149         ("*mov<mode>_internal"): Ditto.
2150         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2151         ("mmx_sub<mode>3"): Ditto.
2152         ("mmx_adddi3"): Remove insn pattern.
2153         ("mmx_subdi3"): Ditto.
2154         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2155         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2156         ("mmx_ashl<mode>3"): Ditto.
2157         ("mmx_lshrdi3"): Remove insn pattern.
2158         ("mmx_ashldi3"): Ditto.
2159         * config/i386/i386.c (classify_argument): Handle V1DImode.
2160         (function_arg_advance_32): Ditto.
2161         (function_arg_32): Ditto.
2162         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2163         mmx_addv1di3 insn pattern.
2164         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2165         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2166         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2167         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2168         Remove definitions of built-in functions.
2169         (V1DI_type_node): New node.
2170         (v1di_ftype_v1di_int): Ditto.
2171         (v1di_ftype_v1di_v1di): Ditto.
2172         (v2si_ftype_v2si_si): Ditto.
2173         (v4hi_ftype_v4hi_di): Remove node.
2174         (v2si_ftype_v2si_di): Ditto.
2175         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2176         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2177         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2178         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2179         Add new builtins using def_builtin_const.
2180         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2181         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2182         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2183         * config/i386/mmintrin.h (__v1di): New typedef.
2184         (_mm_add_si64): Cast arguments to __v1di type.
2185         (_mm_sub_si64): Ditto.
2186         (_mm_sll_pi16): Cast __count to __v4hi type.
2187         (_mm_sll_pi32): Cast __count to __v2si type.
2188         (_mm_sll_si64): Cast arguments to __v1di type.
2189         (_mm_srl_pi16): Cast __count to __v4hi type.
2190         (_mm_srl_pi32): Cast __count to __v2si type.
2191         (_mm_srl_si64): Cast arguments to __v1di type.
2192         (_mm_sra_pi16): Cast __count to __v4hi type.
2193         (_mm_sra_pi32): Cast __count to __v2si type.
2194         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2195         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2196         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2197         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2198         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2199         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2200         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2201         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2202         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2203         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2204         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2205         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2206
2207 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2208
2209         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2210
2211 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2212
2213         PR target/35373
2214         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2215         reg+const addressing for Altivec modes.  Don't generate reg+reg
2216         addressing for TFmode or TDmode quantities.
2217
2218 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2219
2220         * c-common.c (vector_types_convertible_p): Call langhook
2221         instead of comptypes.
2222
2223 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2224
2225         PR tree-opt/35402
2226         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2227         integral and scalar float variables which have a
2228         NULL DECL_INITIAL.
2229
2230 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2231
2232         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2233         dwarf_register_span hook when emitting unwind information for
2234         register-to-memory saves.
2235         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2236         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2237
2238 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2239
2240         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2241         for the same VAR_DECL.
2242
2243 2008-03-06  Tom Tromey  <tromey@redhat.com>
2244
2245         * treelang: Delete.
2246         * doc/standards.texi (Standards): Don't mention treelang.
2247         * doc/invoke.texi (Overall Options): Don't mention treelang.
2248         * doc/install.texi (Prerequisites): Don't mention bison or
2249         treelang.
2250         (Configuration): Don't mention treelang.
2251         (Building): Likewise.
2252         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2253
2254 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2255
2256         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2257         word-extractions out of a multi-word object.
2258
2259 2008-03-06  Richard Guenther  <rguenther@suse.de>
2260
2261         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2262         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2263         result type and precision.
2264         * expr.c (get_inner_reference): Set unsignedp based on the result
2265         type of BIT_FIELD_REF.
2266         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2267         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2268         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2269         for BIT_FIELD_REF.
2270         (sra_build_assignment): Likewise.
2271         (sra_build_elt_assignment): Likewise.
2272         (sra_explode_bitfield_assignment): Likewise.
2273         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2274         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2275         set BIT_FIELD_REF_UNSIGNED.
2276         (vectorizable_load): Likewise.
2277
2278 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2279
2280         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2281         at bb start.
2282
2283 2008-03-06  Richard Guenther  <rguenther@suse.de>
2284
2285         * alias.c (struct alias_set_entry): Move has_zero_child field
2286         to pack with alias_set.
2287
2288 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2289
2290         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2291         32bit host.
2292
2293 2008-03-05  Ian Lance Taylor  <iant@google.com>
2294
2295         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2296
2297 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2298
2299         * fwprop.c (update_df): Support width and offset parameters of
2300         df_ref_create.
2301         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2302         global_conflicts): Change DF_REF_EXTRACT to either
2303         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2304         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2305         * df-scan.c (df_ref_record, df_defs_record,
2306         df_ref_create_structure, df_def_record_1, df_uses_record,
2307         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2308         df_bb_refs_collect, df_entry_block_defs_collect,
2309         df_exit_block_uses_collect): Support new width and offset fields.
2310         (ref_extract_pool): New storage pool.
2311         (df_free_ref): New function.
2312         (df_reg_chain_unlink, df_free_collection_rec,
2313         df_sort_and_compress_refs): Call df_free_ref.
2314         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2315         of df_ref_extract.
2316         (df_ref_create_structure): Allocate df_ref_extract if offset and
2317         width fields are used.
2318         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2319         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2320         and SIGN_EXTRACT.
2321         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2322         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2323         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2324         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2325         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2326         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2327         (df_ref_extract): New structure.
2328         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2329         (df_ref_create): Add width and offset parameters.
2330         
2331 2008-03-05  Richard Guenther  <rguenther@suse.de>
2332
2333         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2334         Use ranges_overlap_p.
2335         (offset_overlaps_with_access): Rename
2336         to ranges_overlap_p and move ...
2337         * tree-flow-inline.h (ranges_overlap_p): ... here.
2338
2339         * tree.h (get_inner_reference, handled_component_p): Update
2340         comments.
2341
2342         * tree.h (record_component_aliases, get_alias_set,
2343         alias_sets_conflict_p, alias_sets_must_conflict_p,
2344         objects_must_conflict_p): Move declarations ...
2345         * alias.h (record_component_aliases, get_alias_set,
2346         alias_sets_conflict_p, alias_sets_must_conflict_p,
2347         objects_must_conflict_p): ... here.
2348         Include coretypes.h.
2349         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2350
2351 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2352
2353         * cfg.c: Include tree-flow.h.
2354         (remove_edge_raw): Call redirect_edge_var_map_clear.
2355         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2356         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2357         (redirect_edge_var_map_result): New.
2358         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2359         PENDING_STMT use with redirect_edge_var_map_*.
2360         * tree-ssa.c (edge_var_maps): New definition.
2361         (redirect_edge_var_map_add): New.
2362         (redirect_edge_var_map_clear): New.
2363         (redirect_edge_var_map_dup): New.
2364         (redirect_edge_var_map_vector): New.
2365         (redirect_edge_var_map_destroy): New.
2366         (ssa_redirect_edge): Replace PENDING_STMT use with
2367         redirect_edge_var_map_*.
2368         (flush_pending_stmts): Same.
2369         (delete_tree_ssa): Destroy edge var map.
2370         * tree-flow.h (struct _edge_var_map): New.
2371         Define edge_var_map vector type.
2372         Declare redirect_edge_var_map_* prototypes.
2373         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2374         * tree-cfg.c (reinstall_phi_args): Replace
2375         PENDING_STMT use with redirect_edge_var_map_*.
2376
2377 2008-03-05  Richard Guenther  <rguenther@suse.de>
2378
2379         PR tree-optimization/35472
2380         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2381         whose single use_stmt has a overlapping set of loaded and
2382         stored symbols as that use_stmt might be a noop assignment then.
2383
2384 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2385
2386         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2387
2388 2008-03-05  Richard Guenther  <rguenther@suse.de>
2389
2390         PR c++/35336
2391         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2392         should be constants.
2393         * tree-cfg.c (verify_expr): Verify it.
2394         * fold-const.c (fold_truthop): Remove code generating
2395         BIT_FIELD_REFs of structure bases.
2396         (fold_binary): Likewise.
2397         (fold_ternary): Position and size of BIT_FIELD_REFs are
2398         always host integers.
2399         (make_bit_field_ref): Remove.
2400         (optimize_bit_field_compare): Remove.
2401         (all_ones_mask_p): Remove.
2402
2403 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2404
2405         PR gcc/33009
2406         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2407         (split_block_and_df_analyze): New. Split basic block and rebuild
2408         dataflow.
2409         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2410         SPLIT_BLOCK.
2411         (split_pattern_seq): Likewise.
2412         (erase_matching_seqs): Likewise.
2413         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2414
2415 2008-03-04  Geoff Keating  <geoffk@apple.com>
2416
2417         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2418         declaration and code.
2419         (tree_invalid_nonnegative_warnv_p): Likewise.
2420
2421 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2422
2423         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2424         examples.  Truncate option-names then causing overfull hbox.
2425
2426 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2427
2428         PR target/35222
2429         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2430         on hpux10.
2431         * configure: Rebuilt.
2432
2433 2008-03-04  Rafael Espindola  <espindola@google.com>
2434
2435         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2436         (tree_unary_nonnegative_warnv_p): New.
2437         (tree_binary_nonnegative_warnv_p): New.
2438         (tree_single_nonnegative_warnv_p): New.
2439         (tree_invalid_nonnegative_warnv_p): New.
2440         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2441
2442 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2443
2444         PR 28322
2445         * opts.c (handle_option): Postpone 'unknown option' errors only for
2446         warning options.
2447
2448 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2449
2450         PR target/35453
2451         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2452         (_SIDD_XXX): This.
2453
2454 2008-03-04  Rafael Espindola  <espindola@google.com>
2455
2456         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2457         (tree_binary_nonzero_warnv_p): New.
2458         (tree_single_nonzero_warnv_p): New.
2459         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2460
2461 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         PR middle-end/35456
2464         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2465         transformations for modes that have signed zeros.
2466         * ifcvt.c (noce_try_abs): Ditto.
2467
2468 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2469
2470         * config/i386/i386.c (override_options): Force
2471         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2472
2473 2008-03-04  Jan Hubicka  <jh@suse.cz>
2474
2475         PR c++/35262
2476         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2477         in last commit.
2478
2479 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2480
2481         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2482         label to probe the stack.
2483
2484 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2485
2486         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2487         (__gthr_win32_mutex_destroy): Declare.
2488         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2489         __gthr_win32_mutex_destroy.
2490         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2491
2492 2008-03-03  Jan Hubicka  <jh@suse.cz>
2493
2494         PR c++/35262
2495         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2496         aggressive on inlining cold calls.
2497
2498 2008-03-03  Richard Guenther  <rguenther@suse.de>
2499
2500         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2501         struct copies into the expression table.
2502         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2503         (try_to_simplify): Likewise.
2504         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2505         integral and pointer arguments which do not change the
2506         precision to NOP_EXPRs.
2507         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2508         VIEW_CONVERT_EXPR case.
2509
2510 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2511
2512         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2513         defined in a loop at depth 0 is invariant.
2514         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2515         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2516         be called at loop depth 0.
2517
2518 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2519
2520         PR driver/35420
2521         * gcc.c (process_command): Update copyright notice dates.
2522         * gcov.c (print_version): Likewise.
2523         * gcov-dump.c (print_version): Likewise.
2524         * mips-tfile.c (main): Likewise.
2525         * mips-tdump.c (main): Likewise.
2526
2527 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2528
2529         PR 24924
2530         * c-common.c (flag_permissive): Delete.
2531         (constant_expression_warnings): Check flags first.
2532         (constant_expression_error): New.
2533         * c-common.h (flag_permissive): Delete.
2534         (constant_expression_error): Declare.
2535         * flags.h (flag_permissive): Declare. Update description.
2536         * diagnostic.c (pedwarn): Update.
2537         (permerror): New.
2538         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2539         (permissive_error_kind): New.
2540         * toplev.c (flag_permissive): Define. Update description.
2541         * toplev.h (permissive_error_kind): Declare.
2542         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2543         (pedwarn_c90): Use pedantic_warning_kind.
2544         * c-opts.c (c_common_post_options): flag_permissive does not affect
2545         flag_pedantic_errors.
2546
2547 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2548
2549         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2550         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2551         __absvsi2, __absvDI2): Use unsigned arithmetic.
2552
2553 2008-03-02  Andi Kleen  <ak@suse.de>
2554             Richard Guenther  <rguenther@suse.de>
2555
2556         * struct-equiv.c: Remove file.
2557         * cfg_cleanup.c (condjump_equiv_p): Remove.
2558         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2559         (struct-equiv.o): Remove rule.
2560         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2561         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2562         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2563
2564 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2565
2566         * ifcvt.c (noce_process_if_block): Try to handle only the then
2567         block if the else block exists but isn't suitable.
2568
2569 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2570
2571         PR gcc/35063
2572         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2573         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2574         regression from previous patch.
2575
2576 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2577
2578         PR gcc/35063
2579         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2580         implemented.
2581         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2582         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2583         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2584         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2585         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2586         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2587         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2588         (__gthread_mutex_destroy_function): Rename to
2589         __gthread_mutex_destroy.
2590         * gthr-dce.h (__gthread_mutex_destroy): Call
2591         pthread_mutex_destroy.
2592         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2593         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2594         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2595
2596 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2597
2598         * df-scan.c (df_ref_chain_change_bb): Simplify.
2599         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2600         set_block_for_insn if there's any change.
2601         * df.h ((df_insn_change_bb): Fix prototype.
2602         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2603         df_insn_change_bb, don't call set_block_for_insn.
2604         * emit-rtl.c (reorder_insns): Likewise.
2605         * haifa-sched.c (move_insn): Likewise.
2606
2607 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2608
2609         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2610
2611 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2612
2613         * tree-flow-inline.h (next_readonly_imm_use): Return
2614         NULL_USE_OPERAND_P after the end.
2615
2616 2008-03-01  Richard Guenther  <rguenther@suse.de>
2617
2618         PR tree-optimization/35411
2619         * tree-sra.c (sra_build_assignment): Split conversion to
2620         final type to a separate statement if we are not assigning
2621         to a register.
2622
2623 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2624
2625         * fold-const.c (fold_convertible_p): Correct the logic to follow
2626         that in fold_convert().
2627
2628 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2629
2630         PR c++/35315
2631         * tree-inline.c (build_duplicate_type): When we make a
2632         duplicate type, make it unique in the canonical types system.
2633
2634 2008-02-29  Tom Tromey  <tromey@redhat.com>
2635
2636         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2637         input_file_stack_history, input_file_stack_restored): Remove.
2638         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2639         * input.h (struct file_stack): Remove.
2640         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2641         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2642         Likewise.
2643         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2644         type.
2645         (diagnostic_last_module_changed): Add 'map' argument.
2646         (diagnostic_set_last_function): Likewise.
2647         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2648         line map, not input_file_stack.
2649         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2650
2651 2008-02-29  Paul Brook  <paul@codesourcery.com>
2652
2653         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2654
2655 2008-02-29  Paul Brook  <paul@codesourcery.com>
2656
2657         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2658
2659 2008-02-29  Richard Guenther  <rguenther@suse.de>
2660
2661         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2662         vn_lookup_or_add.
2663         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2664         value for comparing for a store match.
2665         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2666         (try_to_simplify): Do not do a full-blown reference lookup.
2667
2668 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2669
2670         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2671         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2672
2673         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2674
2675 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2676
2677         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2678         strides against cache sizes.
2679
2680 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2681
2682         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2683         constant to fpul.
2684
2685 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2686
2687         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2688         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2689         is smaller than the original promoted value.
2690         (simplify_subreg): If OP is a SUBREG, try to preserve its
2691         SUBREG_PROMOTED_VAR_P information.
2692
2693 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2694
2695         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2696         (VN_INFO_GET): Allocate new objects on the obstack.
2697         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2698         for rpo_numbers_temp, for consistency.
2699         (free_scc_vn): Free the obstack.
2700
2701 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2702
2703         * doc/invoke.texi: Document -ftree-loop-distribution.
2704         * tree-loop-distribution.c: New.
2705         * tree-pass.h (pass_loop_distribution): New.
2706         * graphds.h (struct graph): Add htab_t indices.
2707         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2708         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2709         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2710         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2711         * tree-data-ref.c (debug_data_dependence_relations): New.
2712         (dump_data_dependence_relation): Also print data references.
2713         (free_data_ref): Extern.
2714         (same_access_functions): Moved...
2715         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2716         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2717         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2718         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2719         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2720         (stmts_from_loop): Skip LABEL_EXPR.
2721         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2722         New.
2723         (build_rdg): Initialize rdg->indices htab.
2724         (free_rdg, stores_from_loop, ref_base_address,
2725         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2726         have_similar_memory_accesses_1, ref_base_address_1,
2727         remove_similar_memory_refs): New.
2728         * tree-data-ref.h: Depend on tree-chrec.h.
2729         (debug_data_dependence_relations, free_data_ref): Declared.
2730         (same_access_functions): ... here.
2731         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2732         New.
2733         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2734         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2735         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2736         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2737         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2738         rdg_vertex_for_stmt): Declared.
2739         (struct rdg_edge): Add level.
2740         (RDGE_LEVEL): New.
2741         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2742         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2743         Declared.
2744         (rdg_has_similar_memory_accesses): New.
2745         * tree-vect-analyze.c: Remove unused static decls.
2746         * lambda.h (dependence_level): New.
2747         * common.opt (ftree-loop-distribution): New.
2748         * tree-flow.h (mark_virtual_ops_in_bb, 
2749         slpeel_tree_duplicate_loop_to_edge_cfg,
2750         rename_variables_in_loop): Declared.
2751         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2752         (OBJS-common): Add tree-loop-distribution.o.
2753         (tree-loop-distribution.o): New rule.
2754         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2755         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2756         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2757
2758 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2759
2760         PR target/33963
2761         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2762         other than structures and unions.
2763
2764 2008-02-28  Richard Guenther  <rguenther@suse.de>
2765
2766         Revert:
2767         2008-02-26  Richard Guenther  <rguenther@suse.de>
2768
2769         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2770         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2771         (lookup_decl_from_uid): Declare.
2772         (remove_decl_from_map): Likewise.
2773         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2774         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2775         (decl_for_uid_map): New global hashtable mapping DECL_UID
2776         to the decl tree.
2777         (init_ttree): Allocate it.
2778         (insert_decl_to_uid_decl_map): New helper function.
2779         (make_node_stat): Insert new decls into the map.
2780         (copy_node_stat): Likewise.
2781         (lookup_decl_from_uid): New function.
2782         (remove_decl_from_map): Likewise.
2783         (print_decl_for_uid_map_statistics): New helper.
2784         (dump_tree_statistics): Call it.
2785
2786         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2787         (referenced_var_iterator): Adjust.
2788         (FOR_EACH_REFERENCED_VAR): Adjust.
2789         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2790         (num_referenced_vars): Adjust.
2791         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2792         (first_referenced_var): Remove.
2793         (end_referenced_vars_p): Likewise.
2794         (next_referenced_var): Likewise.
2795         (referenced_var_iterator_set): New helper function.
2796         * tree-dfa.c (referenced_var_lookup): Adjust.
2797         (referenced_var_check_and_insert): Likewise.
2798         (remove_referenced_var): Likewise.
2799         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2800         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2801         (verify_call_clobbering): Likewise.
2802         (verify_memory_partitions): Likewise.
2803         (init_tree_ssa): Allocate bitmap instead of hashtable for
2804         referenced_vars.
2805         (delete_tree_ssa): Adjust.
2806         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2807         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2808         (compute_tag_properties): Likewise.
2809         (set_initial_properties): Likewise.
2810         (find_partition_for): Likewise.
2811         (update_reference_counts): Likewise.
2812         (dump_may_aliases_for): Likewise.
2813         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2814         (add_call_clobber_ops): Likewise.
2815         (add_call_read_ops): Likewise.
2816         (get_asm_expr_operands): Likewise.
2817         * tree-into-ssa.c (dump_decl_set): Likewise.
2818         (update_ssa): Likewise.
2819         * tree-sra.c (scan_function): Likewise.
2820         (decide_instantiations): Likewise.
2821         (scalarize_parms): Likewise.
2822         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2823         (dsa_named_for): Likewise.
2824         * tree-ssa-structalias.c (update_alias_info): Likewise.
2825         (merge_smts_into): Likewise.
2826
2827 2008-02-27  David Daney  <ddaney@avtrex.com>
2828
2829         PR target/34409
2830         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2831         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2832         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2833         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2834         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2835
2836 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2837
2838         PR target/25477
2839         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2840         (BUILT_IN_NEXTTOWARD): Remove.
2841         (BUILT_IN_NEXTTOWARDF): Ditto.
2842         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2843         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2844
2845 2008-02-27  Tom Tromey  <tromey@redhat.com>
2846
2847         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2848         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2849
2850 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2851
2852         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2853         update the respective field on newdecl.
2854
2855 2008-02-27  Revital Eres  <eres@il.ibm.com>
2856
2857         PR rtl-optimization/34999
2858         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2859         crossing edges that ends with a call insn.
2860         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2861         call insn and clear the EDGE_CROSSING flag of the crossing edge
2862         when fixing fallthru edges.
2863
2864 2008-02-27  Richard Guenther  <rguenther@suse.de>
2865
2866         PR middle-end/35390
2867         * fold-const.c (fold_unary): Return the correct argument,
2868         converted to the result type.
2869
2870 2008-02-27  Richard Guenther  <rguenther@suse.de>
2871
2872         PR middle-end/34971
2873         * expr.c (expand_expr_real_1): Assert on rotates that operate
2874         on partial modes.
2875         * fold-const.c (fold_binary): Use the types precision, not the
2876         bitsize of the mode if folding rotate expressions.  Build rotates
2877         only for full modes.
2878
2879 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2880
2881         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2882         and CPP_PRAGMA_EOL.
2883         * c-pragma.c (pragma_ns_name): New typedef.
2884         (registered_pp_pragmas): New variable.
2885         (c_pp_lookup_pragma): New function.
2886         (c_register_pragma_1): If flag_preprocess_only, do nothing
2887         for non-expanded pragmas, for expanded ones push pragma's
2888         namespace and name into registered_pp_pragmas vector.
2889         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2890         flag_preprocess_only, don't register GCC pch_preprocess
2891         pragma if flag_preprocess_only.
2892         * c-opts.c (c_common_init): Call init_pragma even if
2893         flag_preprocess_only.
2894         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2895         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2896         cpp_register_pragma if flag_preprocess_only.
2897
2898 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2899
2900         PR c/28800
2901         * c-parser.c (c_parser_translation_unit): Warn for empty
2902         translation unit, not empty source file.
2903
2904 2008-02-26  Paul Brook  <paul@codesourcery.com>
2905
2906         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2907         operand for Thumb-2.
2908         * config/arm/arm.h (reg_class): Add CORE_REGS.
2909         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2910         (BASE_REG_CLASS): Use CORE_REGS.
2911         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2912         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2913         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2914         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2915         ARM_REGNO_OK_FOR_INDEX_P.
2916         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2917         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2918         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2919         (ldm/stm peepholes): Ditto.
2920         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2921         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2922         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2923         * config/arm/constraints.md: Enable "k" constraint on ARM.
2924
2925 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2926
2927         * config/rs6000/rs6000.c: Annotate cache line size field in all
2928         instances of struct processor_costs.
2929
2930 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2931
2932         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2933         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2934         jump_bypass): New counters.
2935         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2936         * dce.c (gate_ud_dce): Same.
2937         (gate_fast_dce): Same.
2938         * dse.c (gate_dse1): New function.
2939         (gate_dse2): New function.
2940         (gate_dse): Merge results of new gate functions.
2941         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2942         (gate_handle_jump_bypass): Add dbg_cnt.
2943         (gate_handle_gcse): Add dbg_cnt.
2944         * ifcvt.c (gate_handle_if_conversion): Same.
2945         (gate_handle_if_after_combine): Same.
2946         (gate_handle_if_after_reload): Same.
2947         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2948
2949 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2950
2951         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2952         line sizes.
2953         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2954
2955 2008-02-26  Jason Merrill  <jason@redhat.com>
2956
2957         PR c++/35315
2958         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2959         alone if it's the naming decl for the type's main variant.
2960
2961 2008-02-26  Tom Tromey  <tromey@redhat.com>
2962
2963         * system.h (USE_MAPPED_LOCATION): Poison.
2964         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2965         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2966         (make_goto_expr_edges): Likewise.
2967         (remove_bb): Likewise.
2968         (execute_warn_function_return): Likewise.
2969         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2970         location_t.
2971         * c-common.c (fname_decl): Remove old location code.
2972         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2973         location code.
2974         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2975         variant.
2976         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2977         (gen_rtx_ASM_INPUT): Likewise.
2978         (gen_rtx_ASM_INPUT_loc): Likewise.
2979         (get_rtx_asm_OPERANDS): Remove.
2980         * cfglayout.c (insn_locators_alloc): Remove old location code.
2981         (set_curr_insn_source_location): Likewise.
2982         (curr_insn_locator): Likewise.
2983         * print-tree.c (print_node): Remove old location code.
2984         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2985         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2986         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2987         location_from_locus.
2988         (construct_exit_block): Remove old location code.
2989         * emit-rtl.c (force_next_line_note): Remove old location code.
2990         * profile.c (branch_prob): Remove old location code.
2991         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2992         LOC_LINE): Remove old-location variants.
2993         * langhooks.c (lhd_print_error_function): Remove old location
2994         code.
2995         * configure, config.in: Rebuilt.
2996         * configure.ac (--enable-mapped-location): Remove.
2997         * c-decl.c (c_init_decl_processing): Remove old location code.
2998         (finish_function): Likewise.
2999         * recog.c (decode_asm_operands): Remove old location code.
3000         * c-pch.c (c_common_read_pch): Remove old location code.
3001         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3002         variants.
3003         * gimple-low.c (lower_function_body): Remove old location code.
3004         * toplev.c (unknown_location): Remove.
3005         (push_srcloc): Remove old-location variant.
3006         (process_options): Remove old location code.
3007         (lang_dependent_init): Likewise.
3008         * input.h (UNKNOWN_LOCATION): Move definition.
3009         (location_t): Undeprecate.
3010         (source_locus): Remove.
3011         (location_from_locus): Remove.
3012         (struct location_s): Remove.
3013         Remove all old-location code.
3014         (input_line, input_filename): Remove.
3015         * final.c (final_scan_insn): Remove old location code.
3016         * diagnostic.c (diagnostic_build_prefix): Remove
3017         USE_MAPPED_LOCATION test.
3018         * tree.h (gimple_stmt) <locus>: Now a location_t.
3019         (tree_exp) <locus>: Likewise.
3020         (DECL_IS_BUILTIN): Remove old-location variant.
3021         (annotate_with_file_line, annotate_with_locus): Likewise.
3022         (expr_locus, set_expr_locus): Update.
3023         * tree.c (build1_stat): Remove old location code.
3024         (last_annotated_node): Remove.
3025         (annotate_with_file_line): Remove old-location variant.
3026         (annotate_with_locus): Likewise.
3027         (expr_location): Remove old location code.
3028         (set_expr_location): Likewise.
3029         (expr_has_location): Likewise.
3030         (expr_locus): Likewise.
3031         (set_expr_locus): Likewise.
3032         (expr_filename): Don't use location_from_locus.
3033         (expr_lineno): Likewise.
3034         * rtl-error.c (location_for_asm): Remove old location code.
3035         * c-lex.c (cb_line_change): Remove old location code.
3036         (fe_file_change): Likewise.
3037         (cb_def_pragma): Likewise.
3038         (c_lex_with_flags): Likewise.
3039         * gengtype.c (do_typedef): Don't special-case location types.
3040         (define_location_structures): Remove.
3041         (main): Don't call define_location_structures.
3042         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3043         code.
3044
3045 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3046
3047         PR 26264
3048         * builtins.def (BUILT_IN_STDARG_START): Remove.
3049         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3050         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3051         * tree-inline.c (inline_forbidden_p_1): Likewise.
3052         
3053 2008-02-26  Richard Guenther  <rguenther@suse.de>
3054
3055         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3056         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3057         (lookup_decl_from_uid): Declare.
3058         (remove_decl_from_map): Likewise.
3059         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3060         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3061         (decl_for_uid_map): New global hashtable mapping DECL_UID
3062         to the decl tree.
3063         (init_ttree): Allocate it.
3064         (insert_decl_to_uid_decl_map): New helper function.
3065         (make_node_stat): Insert new decls into the map.
3066         (copy_node_stat): Likewise.
3067         (lookup_decl_from_uid): New function.
3068         (remove_decl_from_map): Likewise.
3069         (print_decl_for_uid_map_statistics): New helper.
3070         (dump_tree_statistics): Call it.
3071
3072         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3073         (referenced_var_iterator): Adjust.
3074         (FOR_EACH_REFERENCED_VAR): Adjust.
3075         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3076         (num_referenced_vars): Adjust.
3077         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3078         (first_referenced_var): Remove.
3079         (end_referenced_vars_p): Likewise.
3080         (next_referenced_var): Likewise.
3081         (referenced_var_iterator_set): New helper function.
3082         * tree-dfa.c (referenced_var_lookup): Adjust.
3083         (referenced_var_check_and_insert): Likewise.
3084         (remove_referenced_var): Likewise.
3085         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3086         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3087         (verify_call_clobbering): Likewise.
3088         (verify_memory_partitions): Likewise.
3089         (init_tree_ssa): Allocate bitmap instead of hashtable for
3090         referenced_vars.
3091         (delete_tree_ssa): Adjust.
3092         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3093         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3094         (compute_tag_properties): Likewise.
3095         (set_initial_properties): Likewise.
3096         (find_partition_for): Likewise.
3097         (update_reference_counts): Likewise.
3098         (dump_may_aliases_for): Likewise.
3099         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3100         (add_call_clobber_ops): Likewise.
3101         (add_call_read_ops): Likewise.
3102         (get_asm_expr_operands): Likewise.
3103         * tree-into-ssa.c (dump_decl_set): Likewise.
3104         (update_ssa): Likewise.
3105         * tree-sra.c (scan_function): Likewise.
3106         (decide_instantiations): Likewise.
3107         (scalarize_parms): Likewise.
3108         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3109         (dsa_named_for): Likewise.
3110         * tree-ssa-structalias.c (update_alias_info): Likewise.
3111         (merge_smts_into): Likewise.
3112
3113 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3114
3115         PR 34351
3116         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3117         * c-opts.c (c_common_handle_option): Wall enables
3118         Wvolatile-register-var.
3119         * common.opt: Move Wvolatile-register-var to...
3120         * c.opt: ...here.
3121         
3122 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3123
3124         * common.opt (Wlarger-than=): New.
3125         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3126         -Wlarger-than=.
3127         * opts.c (common_handle_option): Handle -Wlarger-than=.
3128         * optc-gen.awk: Likewise.
3129         * opth-gen.awk: Likewise.
3130         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3131         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3132         
3133 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3134
3135         * c-common.c (match_case_to_enum_1): Add appropriate
3136         OPT_W* parameter to warning.
3137         (c_do_switch_warnings): Likewise.
3138         * c-typeck.c (warning_init): Add one more parameter following
3139         'warning' function.
3140         (push_init_level): Update call to warning_init.
3141         (pop_init_level): Likewise.
3142         (add_pending_init): Likewise.
3143         (output_init_element: Likewise.
3144
3145 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3146
3147         PR 28322
3148         * toplev.c (toplev_main): If there are warnings or error, print
3149         errors for ignored options.
3150         * opts.c (ignored_options): New static variable.
3151         (postpone_unknown_option_error): New.
3152         (print_ignored_options): New.
3153         (handle_option): Postpone errors for unknown -Wno-* options.
3154         * opts.h (print_ignored_options): Declare.
3155         
3156 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3157
3158         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3159         to "ghost".
3160
3161 2008-02-25  Richard Guenther  <rguenther@suse.de>
3162
3163         Revert:
3164         2008-02-25  Richard Guenther  <rguenther@suse.de>
3165
3166         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3167         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3168         (lookup_decl_from_uid): Declare.
3169         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3170         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3171         (decl_for_uid_map): New global hashtable mapping DECL_UID
3172         to the decl tree.
3173         (init_ttree): Allocate it.
3174         (insert_decl_to_uid_decl_map): New helper function.
3175         (make_node_stat): Insert new decls into the map.
3176         (copy_node_stat): Likewise.
3177         (lookup_decl_from_uid): New function.
3178         (print_decl_for_uid_map_statistics): New helper.
3179         (dump_tree_statistics): Call it.
3180
3181         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3182         (referenced_var_iterator): Adjust.
3183         (FOR_EACH_REFERENCED_VAR): Adjust.
3184         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3185         (num_referenced_vars): Adjust.
3186         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3187         (first_referenced_var): Remove.
3188         (end_referenced_vars_p): Likewise.
3189         (next_referenced_var): Likewise.
3190         (referenced_var_iterator_set): New helper function.
3191         * tree-dfa.c (referenced_var_lookup): Adjust.
3192         (referenced_var_check_and_insert): Likewise.
3193         (remove_referenced_var): Likewise.
3194         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3195         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3196         (verify_call_clobbering): Likewise.
3197         (verify_memory_partitions): Likewise.
3198         (init_tree_ssa): Allocate bitmap instead of hashtable for
3199         referenced_vars.
3200         (delete_tree_ssa): Adjust.
3201         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3202         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3203         (compute_tag_properties): Likewise.
3204         (set_initial_properties): Likewise.
3205         (find_partition_for): Likewise.
3206         (update_reference_counts): Likewise.
3207         (dump_may_aliases_for): Likewise.
3208         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3209         (add_call_clobber_ops): Likewise.
3210         (add_call_read_ops): Likewise.
3211         (get_asm_expr_operands): Likewise.
3212         * tree-into-ssa.c (dump_decl_set): Likewise.
3213         (update_ssa): Likewise.
3214         * tree-sra.c (scan_function): Likewise.
3215         (decide_instantiations): Likewise.
3216         (scalarize_parms): Likewise.
3217         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3218         (dsa_named_for): Likewise.
3219         * tree-ssa-structalias.c (update_alias_info): Likewise.
3220         (merge_smts_into): Likewise.
3221
3222 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3223
3224         PR fortran/29549
3225         * doc/invoke.texi (-fcx-limited-range): Document new option.
3226         * toplev.c (process_options): Handle -fcx-fortran-rules.
3227         * common.opt: Add documentation for -fcx-fortran-rules.
3228
3229 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3230
3231         PR c/35162
3232         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3233         actual behaviour and C99.
3234         
3235 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3236
3237         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3238         (ASM_CPU_POWER6_SPEC): Likewise.
3239         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3240         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3241         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3242
3243 2008-02-25  Richard Guenther  <rguenther@suse.de>
3244
3245         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3246         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3247         (lookup_decl_from_uid): Declare.
3248         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3249         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3250         (decl_for_uid_map): New global hashtable mapping DECL_UID
3251         to the decl tree.
3252         (init_ttree): Allocate it.
3253         (insert_decl_to_uid_decl_map): New helper function.
3254         (make_node_stat): Insert new decls into the map.
3255         (copy_node_stat): Likewise.
3256         (lookup_decl_from_uid): New function.
3257         (print_decl_for_uid_map_statistics): New helper.
3258         (dump_tree_statistics): Call it.
3259
3260         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3261         (referenced_var_iterator): Adjust.
3262         (FOR_EACH_REFERENCED_VAR): Adjust.
3263         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3264         (num_referenced_vars): Adjust.
3265         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3266         (first_referenced_var): Remove.
3267         (end_referenced_vars_p): Likewise.
3268         (next_referenced_var): Likewise.
3269         (referenced_var_iterator_set): New helper function.
3270         * tree-dfa.c (referenced_var_lookup): Adjust.
3271         (referenced_var_check_and_insert): Likewise.
3272         (remove_referenced_var): Likewise.
3273         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3274         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3275         (verify_call_clobbering): Likewise.
3276         (verify_memory_partitions): Likewise.
3277         (init_tree_ssa): Allocate bitmap instead of hashtable for
3278         referenced_vars.
3279         (delete_tree_ssa): Adjust.
3280         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3281         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3282         (compute_tag_properties): Likewise.
3283         (set_initial_properties): Likewise.
3284         (find_partition_for): Likewise.
3285         (update_reference_counts): Likewise.
3286         (dump_may_aliases_for): Likewise.
3287         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3288         (add_call_clobber_ops): Likewise.
3289         (add_call_read_ops): Likewise.
3290         (get_asm_expr_operands): Likewise.
3291         * tree-into-ssa.c (dump_decl_set): Likewise.
3292         (update_ssa): Likewise.
3293         * tree-sra.c (scan_function): Likewise.
3294         (decide_instantiations): Likewise.
3295         (scalarize_parms): Likewise.
3296         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3297         (dsa_named_for): Likewise.
3298         * tree-ssa-structalias.c (update_alias_info): Likewise.
3299         (merge_smts_into): Likewise.
3300
3301 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3302
3303         PR target/35258
3304         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3305         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3306         * alias.h (nonoverlapping_memrefs_p): Likewise.
3307
3308 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3309
3310         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3311         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3312         __emultls_get_address, __emultls_register_common,
3313         __floatundi?f, and _Unwind_GetIPInfo.
3314         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3315         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3316         (gen_regparm_prefix): Likewise.
3317         (i386_nlm_encode_section_info): Sync with
3318         config/i386/winnt.c:i386_pe_encode_section_info().
3319         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3320         i386_nlm_mangle_decl_assembler_name): New.
3321         (netware_override_options): New.
3322         * config/i386/netware.h (netware_override_options): Declare.
3323         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3324         (i386_nlm_mangle_decl_assembler_name): Declare.
3325         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3326
3327 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3328
3329         PR other/32948
3330         * c-decl.c (grokdeclarator): Remove unused local variables
3331         `typedef_type' and `type_as_written'.
3332         * bb-reorder.c
3333         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3334         unused local variable `has_hot_blocks'.
3335         (fix_crossing_conditional_branches): Remove unused local variable
3336         `prev_bb'.
3337         
3338 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3339
3340         PR middle-end/19984
3341         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3342         using DEF_C99_BUILTIN.
3343         (BUILT_IN_NANF): Ditto.
3344         (BUILT_IN_NANL): Ditto.
3345
3346 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3347             Revital Eres  <eres@il.ibm.com>
3348
3349         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3350         regarding the order of two dependent insns in the same row.
3351
3352 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3353
3354         * stor-layout.c (layout_decl): Do not bump the alignment of a
3355         bit-field to more than byte alignment if it is packed.
3356
3357 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3358
3359         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3360         e300c2 and e300c3.
3361
3362 2008-02-24  Diego Novillo  <dnovillo@google.com>
3363
3364         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3365
3366         PR 33738
3367         * tree-vrp.c (vrp_evaluate_conditional): With
3368         -Wtype-limits, emit a warning when comparing against a
3369         constant outside the natural range of OP0's type.
3370         * c.opt (Wtype-limits): Move ...
3371         * common.opt (Wtype-limits): ... here.
3372
3373 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3374
3375         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3376         * config/rs6000/e300c2c3.md: New file.
3377         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3378         e300c2 and e300c3.
3379         (rs6000_override_options): Add e300c2 and e300c3 cases to
3380         processor_target_table. Do not allow usage of Altivec or Spe
3381         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3382         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3383         * config/rs6000/rs6000.h (processor_type): Add
3384         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3385         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3386         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3387         and ppce300c3. Include e300c2c3.md.
3388
3389 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3390
3391         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3392         instead of TARGET_STRICT_ALIGN.
3393
3394 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3395
3396         * explow.c (memory_address): Assert that the generated address is
3397         valid.
3398
3399 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3400
3401         PR target/25477
3402         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3403         * config/darwin-ppc-ldouble-patch.def: New file.
3404         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3405         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3406         SUBTARGET_INIT_BUILTINS if defined.
3407         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3408         New functions.
3409
3410 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3411
3412         PR rtl-opt/33512
3413         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3414         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3415
3416 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3417
3418         PR pch/35027
3419         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3420         file" warning condtional on -Winvalid-PCH.
3421
3422 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3423
3424         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3425
3426 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3427
3428         PR target/22076
3429         PR target/34256 
3430         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3431         prevent reload from using MMX registers.
3432         (*mov<mode>_internal): Ditto.
3433         (*movv2sf_internal_rex64): Ditto.
3434         (*movv2sf_internal): Ditto.
3435
3436 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3437
3438         PR documentation/31569
3439         * doc/install.texi2html: Use makeinfo --no-number-sections.
3440
3441 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3442
3443         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3444         ensure that we can address an entire entity > 8 bytes.  Don't
3445         generate reg+reg addressing for such data.
3446
3447 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3448
3449         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3450         strings when optimizing for size, unless the target cares about
3451         alignment.
3452
3453 2008-02-22  Tom Tromey  <tromey@redhat.com>
3454
3455         * regclass.c (current_pass): Remove declaration.
3456
3457 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3458
3459         * config/avr/libgcc.S (__RAMPZ__): Define.
3460         (__do_copy_data): Add for devices with 128KB code memory.
3461
3462 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3463
3464         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3465         Use spe_abi.
3466         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3467
3468 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3469
3470         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3471         GENNONACR_REGS.
3472
3473 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3474
3475         PR c/19999
3476         * c-typeck.c (build_binary_op): Warn about floating point
3477         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3478
3479 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3480
3481         PR target/34526
3482         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3483         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3484         add vrsave.
3485         (rs6000_override_options): Set altivec_abi as default, not override,
3486         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3487         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3488         is used; use new member spe_abi.
3489         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3490         spe_abi and altivec_abi.
3491
3492 2008-02-22  Tomas Bily  <tbily@suse.cz>
3493
3494         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3495
3496 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3497
3498         PR bootstrap/35273
3499         * config.build (build_file_translate): Set to `CMD //c' only if
3500         it works.
3501         * Makefile.in (build_file_translate): Improve comment.
3502
3503 2008-02-21  Jan Hubicka  <jh@suse.cz>
3504
3505         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3506         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3507         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3508
3509 2008-02-21  Michael Matz  <matz@suse.de>
3510
3511         PR target/35264
3512         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3513
3514 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3515
3516         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3517         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3518         as insn constraint.
3519         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3520         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3521         SSE_VEC_FLOAT_MODE_P as insn constraint.
3522         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3523         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3524         sse4a_movntdf using MODEF mode iterator.
3525         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3526         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3527         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3528         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3529         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3530         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3531         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3532
3533 2008-02-21  Richard Guenther  <rguenther@suse.de>
3534
3535         * tree.def (PAREN_EXPR): New tree code.
3536         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3537         and PAREN_EXPR.
3538         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3539         * expr.c (expand_expr_real_1): Likewise.
3540         * tree-inline.c (estimate_num_insns_1): Likewise.
3541         * tree-complex.c (expand_complex_move): Likewise.
3542         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3543         as plain x.
3544
3545 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3546
3547         PR target/35225
3548         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3549
3550 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3551
3552         PR target/35190
3553         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3554
3555         * config/sh/sh.c (find_barrier): Don't go past
3556         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3557
3558 2008-02-20  DJ Delorie  <dj@redhat.com>
3559
3560         * config/h8300/h8300.md (insv): Force source operand to be a register.
3561
3562         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3563         as a jump, not as a plain insn.
3564         
3565 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3566
3567         * doc/invoke.texi (Warning Options): Add new option
3568         -Wframe-larger-than=.
3569         (-Wframe-larger-than): Document.
3570
3571         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3572         Add declarations for new option variables.
3573
3574         * final.c (final_start_function): Check the frame size
3575         before emission and issue a Wframe-larger-than warning.
3576
3577         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3578         Add definitions for new option variables.
3579         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3580
3581         * common.opt (Wframe-larger-than=): New option.
3582
3583 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3584
3585         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3586         (<sse>_div<mode>3): Ditto.
3587         (<sse>_vmdiv<mode>3): Ditto.
3588         (<sse>_vmsqrt<mode>2): Ditto.
3589         (*smax<mode>3): Ditto.
3590         (sse5_frcz<mode>2): Ditto.
3591         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3592         as insn constraint.
3593
3594 2008-02-20  Richard Guenther  <rguenther@suse.de>
3595
3596         PR middle-end/35265
3597         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3598         be happy with INTEGRAL_TYPE_P.
3599
3600 2008-02-20  Richard Guenther  <rguenther@suse.de>
3601
3602         * fold-const.c (split_tree): Associate floatig-point expressions
3603         if flag_associative_math is set.
3604
3605 2008-02-20  Richard Guenther  <rguenther@suse.de>
3606
3607         * tree.h (fold_real_zero_addition_p): Declare.
3608         * fold-const.c (fold_real_zero_addition_p): Export.
3609         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3610         floating-point operations with zero and one.
3611
3612 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3613
3614         * doc/install.texi: Correct references to CFLAGS, replacing them
3615         with BOOT_CFLAGS.  Document flags used during bootstrap for
3616         target libraries.
3617                                 
3618 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3619
3620         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3621         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3622         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3623         insn constraint.
3624         (smin<mode>3): Ditto from similar patterns.
3625         (smax<mode>3): Ditto.
3626         (*ieee_smin<mode>3): Ditto.
3627         (*ieee_smax<mode>3): Ditto.
3628         * config/i386/sse.md (sse): New mode attribute.
3629         (mov<mode>): Macroize expander from movv4sf and movv2df using
3630         SSEMODEF2P mode iterator.
3631         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3632         SSE_VEC_FLOAT_MODE_P as insn constraint.
3633         (storent<mode>): Ditto.
3634         (storent<mode>): Macroize expander from storentsf and storentdf using
3635         MODEF mode iterator.
3636         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3637         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3638         (abs<mode>2): Ditto from similar patterns.
3639         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3640         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3641         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3642         (<sse>_vmsqrt<mode>2): Ditto.
3643         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3644         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3645         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3646         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3647         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3648         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3649         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3650         insn constraint.
3651         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3652         iterator and SSE_FLOAT_MODE_P as insn constraint.
3653         (<sse>_ucomi): Ditto from similar patterns.
3654         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3655         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3656         SSE_VEC_FLOAT_MODE_P as insn constraint.
3657         (vcond<mode>): Ditto from similar patterns.
3658         (and<mode>3, *and<mode>3): Ditto.
3659         (<sse>_nand<mode>3): Ditto.
3660         (ior<mode>3, *ior<mode>3): Ditto.
3661         (xor<mode>3, *xor<mode>3): Ditto.
3662         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3663         iterator and SSE_FLOAT_MODE_P as insn constraint.
3664         (*nand<mode>3): Ditto from similar patterns.
3665         (*ior<mode>3): Ditto.
3666         (*xor<mode>3): Ditto.
3667
3668 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3669
3670         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3671         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3672         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3673
3674 2008-02-19  Jan Hubicka  <jh@suse.cz>
3675
3676         * predict.c (tree_bb_level_predictions): Remove variable next
3677         mistakely introduced by previous commit.
3678
3679 2008-02-19  Jan Hubicka  <jh@suse.cz>
3680
3681         * predict.c (predict_paths_leading_to): Rewrite.
3682         (predict_paths_for_bb): New.
3683         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3684
3685 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3686
3687         PR bootstrap/35218
3688         * Makefile.in (build_file_translate): New.
3689         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3690         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3691         * configure.ac (build_file_translate): Substitute it.
3692         * configure: Regenerate.
3693
3694 2008-02-19  Jan Hubicka  <jh@suse.cz>
3695
3696         PR rtl-optimization/34408
3697         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3698         invalid sharing.
3699
3700 2008-02-19  Jan Hubicka  <jh@suse.cz>
3701
3702         PR middle-end/28779
3703         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3704         call_expr.
3705
3706 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3707
3708         PR Ada/35186
3709         * config/i386/i386-modes.def: Revert the last DI alignment
3710         change until Ada people can look into it.
3711
3712 2008-02-19  Nick Clifton  <nickc@redhat.com>
3713
3714         * opts.c (print_specific_help): Fix typo in --help text.
3715
3716 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3717
3718         PR target/35239
3719         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3720         32-bit inline asm without asm alternatives for host GCC < 3.0.
3721
3722 2008-02-19  Richard Guenther  <rguenther@suse.de>
3723
3724         PR tree-optimization/34989
3725         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3726         Allow propagation to INDIRECT_REF if we can simplify only.
3727
3728 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3729
3730         * c-common.c (warn_for_collisions_1): Use appropriate option when
3731         warning.
3732
3733 2008-02-19  Nick Clifton  <nickc@redhat.com>
3734
3735         PR other/31349
3736         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3737         (handle_options): Fix indentation.
3738         (print_filtered_help): If no language-specific options were
3739         displayed tell the user how to list all the options supported by
3740         the language's front-end.
3741         (print_specific_help): Fix indentation and remove duplicate line.
3742         (common_handle_option): Handle the -v option.
3743         For --help enable the display of undocumented options if the -v
3744         switch has been included on the command line.
3745         For --help= check for overlaps in the arguments between the option
3746         classes and the language names and issue a warning when they
3747         cannot be disambiguated.
3748         * c.opt (v): Pass on to the common option handler.
3749
3750 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3751
3752         * modulo-sched.c (sms_schedule): Change dump message when
3753         create_ddg function fails.
3754         (try_scheduling_node_in_cycle): Rename row to cycle.
3755         (print_partial_schedule): Rename CYCLE to ROW.
3756
3757 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3758             Zdenek Dvorak  <ook@ucw.cz>
3759
3760         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3761
3762 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3763
3764         PR target/33555
3765         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3766         (*x86_movdicc_0_m1_se): Ditto.
3767
3768 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3769
3770         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3771         (CMPtype): Define as __gcc_CMPtype.
3772         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3773         (CMPtype): Define as __gcc_CMPtype.
3774
3775 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3776
3777         Support valgrind 3.3 for --enable-checking=valgrind.
3778         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3779         here.
3780         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3781         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3782         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3783         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3784         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3785         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3786         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3787         respectively.
3788         * ggc-zone.c: Similar.
3789         * ggc-page.c: Similar.
3790
3791 2008-02-19  Paul Brook  <paul@codesourcery.com>
3792
3793         PR target/35071
3794         * config/arm/ieee754-df.S: Fix do_it typo.
3795         * config/arm/ieee754-sf.S: Fix do_it typo.
3796
3797 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3798
3799         PR target/35189
3800         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3801         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3802         (OPTION_MASK_ISA_SSE_SET): Likewise.
3803         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3804         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3805         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3806         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3807         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3808         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3809         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3810         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3811         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3812         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3813         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3814         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3815         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3816         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3817         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3818         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3819         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3820         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3821         (OPTION_MASK_ISA_SSE4): Removed.
3822         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3823         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3824         (override_options): Don't turn on implied SSE/MMX bits in
3825         ix86_isa_flags.
3826
3827 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3828
3829         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3830         32bit host.
3831
3832 2008-02-18  Joey Ye  <joey.ye@intel.com>
3833
3834         PR middle-end/34921
3835         * tree-nested.c (insert_field_into_struct): Set type alignment
3836         to field alignment if the former is less than the latter.
3837
3838 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3839
3840         * BASE-VER: Set to 4.4.0.
3841
3842 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3843
3844         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3845         * doc/cfg.texi: Likewise.
3846         * doc/extend.texi: Likewise.
3847         * doc/gty.texi: Likewise.
3848         * doc/invoke.texi: Likewise.
3849         * doc/loop.texi: Likewise.
3850         * doc/md.texi: Likewise.
3851         * doc/passes.texi: Likewise.
3852         * doc/rtl.texi: Likewise.
3853         * doc/sourcebuild.texi: Likewise.
3854         * doc/tm.texi: Likewise.
3855         * doc/tree-ssa.texi: Likewise.
3856
3857 2008-02-17  Richard Guenther  <rguenther@suse.de>
3858
3859         PR middle-end/35227
3860         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3861         without default definition.
3862
3863 2008-02-17  Richard Guenther  <rguenther@suse.de>
3864
3865         PR tree-optimization/35231
3866         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3867         if A | B != 1.
3868
3869 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3870
3871         Revert:
3872         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3873         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3874         libgcc_cmp_return mode.
3875
3876 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3877
3878         PR c/28368
3879         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3880
3881 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3882
3883         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3884         multilibs.
3885
3886 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3887
3888         * doc/c-tree.texi: Use `@.' where appropriate.
3889         * doc/extend.texi: Likewise.
3890         * doc/install.texi: Likewise.
3891         * doc/invoke.texi: Likewise.
3892         * doc/loop.texi: Likewise.
3893         * doc/makefile.texi: Likewise.
3894         * doc/md.texi: Likewise.
3895         * doc/passes.texi: Likewise.
3896         * doc/standards.texi: Likewise.
3897         * doc/tm.texi: Likewise.
3898
3899 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3900
3901         PR middle-end/35196
3902         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3903         in entry_bb.
3904         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3905         rather than in entry_bb.
3906
3907 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3908
3909         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3910         libgcc_cmp_return mode.
3911
3912 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3913
3914         PR middle-end/35130
3915         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3916         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3917
3918 2008-02-15  Richard Guenther  <rguenther@suse.de>
3919             Zdenek Dvorak  <ook@ucw.cz>
3920
3921         PR tree-optimization/35164
3922         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3923         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3924         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3925         Only propagate addresses which do not have abnormal SSA_NAMEs
3926         in their operands.
3927
3928 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3929
3930         PR target/35088
3931         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3932
3933 2008-02-15  Jan Hubicka  <jh@suse.cz>
3934
3935         PR middle-end/35149
3936         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3937
3938 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3939
3940         PR middle-end/34621
3941         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3942         when calculating alignment_pad.
3943
3944 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3945
3946         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3947         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3948         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3949         and STACK_BOUNDARY define.
3950
3951 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3952
3953         PR preprocessor/35061
3954         * c-pragma.c (handle_pragma_pop_macro): Check that
3955         pushed_macro_table has been allocated.
3956
3957 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3958
3959         PR middle-end/35136
3960         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3961         (force_gimple_operand): Likewise.
3962         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3963         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3964         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3965         (find_interesting_uses_address): Check addressability and alignment
3966         of the base expression only after substituting bases of IVs into it.
3967
3968 2008-02-14  Michael Matz  <matz@suse.de>
3969
3970         PR target/34930
3971         * function.c (instantiate_virtual_regs_in_insn): Reload address
3972         before falling back to reloading the whole operand.
3973
3974 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3975
3976         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3977         before the first section switch note.
3978
3979 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3980
3981         * doc/bugreport.texi: Update copyright years.
3982         * doc/c-tree.texi: Likewise.
3983         * doc/cfg.texi: Likewise.
3984         * doc/cpp.texi: Likewise.
3985         * doc/cppinternals.texi: Likewise.
3986         * doc/fragments.texi: Likewise.
3987         * doc/frontends.texi: Likewise.
3988         * doc/gcc.texi: Likewise.
3989         * doc/gty.texi: Likewise.
3990         * doc/hostconfig.texi: Likewise.
3991         * doc/implement-c.texi: Likewise.
3992         * doc/libgcc.texi: Likewise.
3993         * doc/loop.texi: Likewise.
3994         * doc/makefile.texi: Likewise.
3995         * doc/options.texi: Likewise.
3996         * doc/passes.texi: Likewise.
3997         * doc/rtl.texi: Likewise.
3998         * doc/sourcebuild.texi: Likewise.
3999         * doc/standards.texi: Likewise.
4000         * doc/tree-ssa.texi: Likewise.
4001         * doc/trouble.texi: Likewise.
4002
4003         * doc/extend.texi: Use @: or add comma where appropriate.
4004         * doc/invoke.texi: Likewise.
4005         * doc/tm.texi: Likewise.