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1 2008-04-03  Richard Guenther  <rguenther@suse.de>
2
3         PR middle-end/35800
4         * expr.h (try_casesi): Adjust prototype.
5         * expr.c (try_casesi): Take fallback label as extra parameter.
6         Use that for gen_casesi if default_label is NULL.
7         * stmt.c (expand_case): Pass fallback label to try_casesi,
8         make sure to fill gaps with a fallback label if default_label
9         is not present.
10
11 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
12
13         PR target/35801
14         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
15
16 2008-04-03  Ben Elliston  <bje@au.ibm.com>
17
18         * expmed.c (extract_split_bit_field): Remove if (0) code.
19         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
20         (do_ds_constraint): Likewise.
21
22 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
23
24         * doc/cppopts.texi (-dU): Document.
25         * c-common.h (flag_dump_macros): Update comment.
26         * c-opts.c (handle_OPT_d): Handle -dU.
27         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
28         dump_queued_macros, cb_used_define, cb_used_undef): New.
29         (init_pp_output): Handle -dU.
30         (cb_line_change): Call dump_queued_macros.
31         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
32
33 2008-04-02  Anatoly Sokolov <aesok@post.ru>
34
35         * config/avr/predicates.md (io_address_operand): New predicate. 
36         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
37         * config/avr/avr.c (avr_io_address_p): Remove function.
38         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
39         'avr_io_address_p' function.
40         (out_movhi_r_mr): (Ditto.).
41         (out_movqi_mr_r): (Ditto.).
42         (out_movhi_mr_r): (Ditto.).
43         (avr_address_cost): (Ditto.).
44
45 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
46
47         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
48         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
49         in 32bit mode when XMM registers are available to avoid store
50         forwarding stalls.
51         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
52         corresponding post-reload splitters.
53
54 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
55
56         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
57         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
58         __builtin_ia32_roundss.
59         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
60         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
61         __builtin_ia32_roundss.
62         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
63         IX86_BUILTIN_SHUFPD here.
64
65 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
66
67         * config/i386/i386.md (plogic): New.
68         (plogicprefix): Likewise.
69
70         * config/i386/mmx.md (mmx_<code><mode>3): New.
71         (mmx_and<mode>3): Removed.
72         (mmx_ior<mode>3): Likewise.
73         (mmx_xor<mode>3): Likewise.
74
75         * config/i386/sse.md (<code><mode>3): New.
76         (*<code><mode>3): Likewise.
77         (*<code><mode>3): Likewise.
78         (<code><mode>3): Likewise.
79         (*sse_<code><mode>3): Likewise.
80         (*sse2_<code><mode>3): Likewise.
81         (<code>tf3): Likewise.
82         (*<code>tf3): Likewise.
83         (and<mode>3): Likewise.
84         (*and<mode>3): Likewise.
85         (ior<mode>3): Removed.
86         (*ior<mode>3): Likewise.
87         (xor<mode>3): Likewise.
88         (*xor<mode>3): Likewise.
89         (*and<mode>3): Likewise.
90         (*ior<mode>3): Likewise.
91         (*xor<mode>3): Likewise.
92         (and<mode>3): Likewise.
93         (*sse_and<mode>3): Likewise.
94         (*sse2_and<mode>3): Likewise.
95         (andtf3): Likewise.
96         (*andtf3): Likewise.
97         (ior<mode>3): Likewise.
98         (*sse_ior<mode>3): Likewise.
99         (*sse2_ior<mode>3): Likewise.
100         (iortf3): Likewise.
101         (*iortf3): Likewise.
102         (xor<mode>3): Likewise.
103         (*sse_xor<mode>3): Likewise.
104         (*sse2_xor<mode>3): Likewise.
105         (xortf3): Likewise.
106         (*xortf3): Likewise.
107
108 2008-04-02  Richard Guenther  <rguenther@suse.de>
109
110         PR tree-optimization/14495
111         PR tree-optimization/34793
112         * tree-vrp.c (struct switch_update): New structure.
113         (to_remove_edges, to_update_switch_stmts): New VECs.
114         (simplify_switch_using_ranges): New function.  Remove not taken
115         case labels and edges.
116         (simplify_stmt_using_ranges): Call it.
117         (identify_jump_threads): Mark edges we have queued for removal
118         so we don't thread them.
119         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
120         case label vector.
121         * tree-cfg.c (group_case_labels): Deal with missing default label.
122         (tree_verify_flow_info): Allow missing default label.
123         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
124         (emit_case_nodes): Likewise.
125         (expand_case): Do not rely on the default label to be present.
126         * expr.c (try_casesi): Deal with NULL default_label.
127         (do_tablejump): Likewise.
128
129 2008-04-02  Richard Guenther  <rguenther@suse.de>
130
131         PR tree-optimization/14495
132         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
133         SWITCH_EXPR here ...
134         (vrp_visit_switch_stmt): ... but here (new function).
135         (find_case_label_index): New helper function.
136         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
137
138 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
139
140         * fwprop.c: Fix ISO-C99ism.
141
142 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
143
144         PR bootstrap/35752
145         * Makefile.in (objdir): Set it here.
146         * configure.ac: Not here.  Find dynamic linker characteristics.
147         * exec-tool.in: Use them.
148         * aclocal.m4: Regenerate.
149         * configure: Regenerate.
150
151 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
152
153         * expr.c (expand_var): Delete it.
154         * expr.h (expand_var): Delete prototype.
155         * function.c (expand_function_start): Use expand_decl instead.
156         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
157         langhook.
158
159 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
160
161         PR rtl-optimization/35542
162         * fwprop.c (forward_propagate_and_simplify): Replace
163         loc_reg_mentioned_in_p with reg_mentioned_p.
164
165 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
166
167         PR rtl-optimization/35281
168         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
169         (propagate_rtx_1): Handle PR_HANDLE_MEM.
170         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
171         (varying_mem_p): Move above propagate_rtx.
172         (all_uses_available_at): Do not check MEMs.
173
174 2008-04-02  Rafael Espindola  <espindola@google.com>
175
176         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
177         (register_edge_assert_for_2): Split the cond argument.
178         (register_edge_assert_for_1): Adjust for the change in
179         register_edge_assert_for_2.
180         (register_edge_assert_for): Split the cond argument.
181         (find_switch_asserts): Adjust for the change in
182         register_edge_assert_for.
183
184 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
185
186         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
187         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
188         offsets for 64-bit mingw.
189         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
190         abi for x86_64-pc-mingw.
191
192 2008-04-02  Richard Guenther  <rguenther@suse.de>
193
194         * tree-vrp.c (extract_range_from_assert): Make sure to not
195         produce range min/max with TREE_OVERFOW set.
196         If merging a anti-range and a range keep the anti-range if
197         the range covers all values of the type.
198         (register_edge_assert_for_2): Only allow sign-changing
199         conversions in detecting canonical range checks.  Also
200         register an assert for the unsigned name if useful.
201
202         PR tree-optimization/35787
203         * tree-vrp.c (vrp_val_max): New function.
204         (vrp_val_min): Likewise.
205         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
206         (vrp_val_is_min): Likewise.
207         (supports_overflow_infinity): Use vrp_val_{min,max}.
208         (negative_overflow_infinity): Likewise.
209         (positive_overflow_infinity): Likewise.
210         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
211         (is_positive_overflow_infinity): Likewise.
212         (is_overflow_infinity): Likewise.
213         (avoid_overflow_infinity): Use vrp_val_{min,max} and
214         vrp_val_is_{min,max}.
215         (set_and_canonicalize_value_range): Canonicalize anti-ranges
216         to ranges if possible.  Avoid empty ranges.
217
218 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
219
220         PR middle-end/35705
221         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
222         the expression is a function address.
223
224 2008-04-01  George Helffrich  <george@gcc.gnu.org>
225
226         PR fortran/PR35154, fortran/PR23057
227         * fortran/trans-common.c (create_common):  Add decl to function
228         chain to preserve identifier scope in debug output.
229
230         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
231         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
232         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
233         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
234         in common.
235         (dbxout_syms): Check for COMMON-based symbol and wrap in
236         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
237         in bracket for efficiency.
238
239         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
240         using DW_TAG_common_block + member offset.
241         (add_pubname_string): New function.
242         (dw_expand_expr): New function to find block name and offset for
243         COMMON var.
244         (common_check): New function to check whether symbol in Fortran COMMON.
245         (gen_variable_die): If COMMON, use DW_TAG_common_block.
246
247         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
248         use of common is unchanged.
249
250         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
251         with all combinations of debug options available on target.
252         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
253         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
254         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
255         .stabs functionality.
256         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
257         DWARF functionality.
258
259 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
260
261         PR c/35436
262         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
263
264 2008-04-02  Ben Elliston  <bje@au.ibm.com>
265
266         * config/v850/v850.md (casesi): Remove if (0) code.
267         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
268         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
269
270 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
271
272         * config/i386/i386.md (rex64suffix): New mode attribute.
273         (floathi<mode>2): Disable expander for SSE math.
274         (*floathi<mode>2_1): New insn insn_and_split pattern.
275         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
276         corresponding post-reload splitters.
277         (*floathi<mode>2_i387): New macroized insn pattern.
278         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
279         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
280         insn_and_split pattern.
281         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
282         New macroized instruction patterns and corresponding post-reload
283         splitters.
284         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
285         and corresponding post-reload splitters.
286         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
287         New macroized instruction patterns.
288         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
289         macroized instruction patterns and corresponding post-reload splitters.
290         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
291         corresponding post-reload splitters.
292         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
293         New macroized instruction patterns.
294         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
295         corresponding post-reload splitters.
296         (*floatsi<mode>2_i387): New macroized instruction patterns.
297
298 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
299
300         * config/i386/i386.md (smaxmin): New.
301         (umaxmin): Likewise.
302         (maxminiprefix): Likewise.
303         (maxminfprefix): Likewise.
304         (<code><mode>3): Likewise.
305         (smin<mode>3): Removed.
306         (smax<mode>3): Likewise.
307
308         * config/i386/mmx.md (mmx_<code>v2sf3): New.
309         (mmx_<code>v4hi3): Likewise.
310         (mmx_<code>v8qi3): Likewise.
311         (mmx_smaxv2sf3): Removed.
312         (mmx_sminv2sf3): Likewise.
313         (mmx_umaxv8qi3): Likewise.
314         (mmx_smaxv4hi3): Likewise.
315         (mmx_uminv8qi3): Likewise.
316         (mmx_sminv4hi3): Likewise.
317
318         * config/i386/sse.md (<addsub><mode>3): New.
319         (*<addsub><mode>3): Likewise.
320         (<sse>_vm<addsub><mode>3): Likewise.
321         (<maxmin><mode>3): Likewise.
322         (*<maxmin><mode>3_finite): Likewise.
323         (*<maxmin><mode>3): Likewise.
324         (<sse>_vm<maxmin><mode>3): Likewise.
325         (sse3_h<addsub>v4sf3): Likewise.
326         (sse3_h<addsub>v2df3): Likewise.
327         (<maxmin>v16qi3): Likewise.
328         (*<maxmin>v16qi3): Likewise.
329         (<maxmin>v8hi3): Likewise.
330         (*<maxmin>v8hi3): Likewise.
331         (*sse4_1_<maxmin><mode>3): Likewise.
332         (*sse4_1_<maxmin><mode>3): Likewise.
333         (add<mode>3): Removed.
334         (*add<mode>3): Likewise.
335         (<sse>_vmadd<mode>3): Likewise.
336         (sub<mode>3): Likewise.
337         (*sub<mode>3): Likewise.
338         (<sse>_vmsub<mode>3): Likewise.
339         (smin<mode>3): Likewise.
340         (*smin<mode>3_finite): Likewise.
341         (*smin<mode>3): Likewise.
342         (<sse>_vmsmin<mode>3): Likewise.
343         (smax<mode>3): Likewise.
344         (*smax<mode>3_finite): Likewise.
345         (*smax<mode>3): Likewise.
346         (<sse>_vmsmax<mode>3): Likewise.
347         (sse3_haddv4sf3): Likewise.
348         (sse3_haddv2df3): Likewise.
349         (sse3_hsubv4sf3): Likewise.
350         (sse3_hsubv2df3): Likewise.
351         (umaxv16qi3): Likewise.
352         (*umaxv16qi3): Likewise.
353         (smaxv8hi3): Likewise.
354         (*smaxv8hi3): Likewise.
355         (*sse4_1_smax<mode>3): Likewise.
356         (*sse4_1_umax<mode>3): Likewise.
357         (uminv16qi3): Likewise.
358         (*uminv16qi3): Likewise.
359         (sminv8hi3): Likewise.
360         (*sminv8hi3): Likewise.
361         (*sse4_1_smin<mode>3): Likewise.
362         (*sse4_1_umin<mode>3): Likewise.
363
364 2008-04-01  Rafael Espindola  <espindola@google.com>
365
366         * tree-cfg.c (verify_expr): remove in_phi.
367         (verify_stmt): Don't call walk_tree with verify_expr. Use
368         is_gimple_min_invariant instead of is_gimple_val.
369
370 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
371
372         * doc/include/gpl_v3.texi: Update for manpage generation.
373         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
374         gpl.texi.
375         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
376         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
377         gpl_v3.texi instead of gpl.texi.
378         (gpl.pod): New.
379
380 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
381
382         PR pch/13675
383         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
384
385 2008-04-01  Rafael Espindola  <espindola@google.com>
386
387         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
388         (extract_code_and_val_from_cond): Use
389         extract_code_and_val_from_cond_with_ops.
390
391 2008-04-01  Jan Hubicka  <jh@suse.cz>
392
393         * function.c (free_after_compilation): Free epilogue_delay_list.
394         (prepare_function_start): Assert that previous compilation was freed.
395
396 2008-04-01  Jan Hubicka  <jh@suse.cz>
397             Jim Wilson  <wilson@tuliptree.org>
398             Andreas Tobler <andreast@gcc.gnu.org>
399
400         PR middle-end/35781
401         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
402         rtl.emit instead cfun->emit.
403         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
404         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
405
406 2008-04-01  Ben Elliston  <bje@au.ibm.com>
407
408         * doc/c-tree.texi (Function Basics): Fix grammatical error.
409
410 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
411
412         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
413         New options
414         (fprofile-use): Add var flag_profile_use
415         * coverage.c (coverage_begin_output): Do not open a gcno file for
416         output only if -ftest-coverage is set.
417         Do not add getpwd() to gcda file path.
418         (build_gcov_info): Check the new flag
419         flag_profile_datafile_relative_path.
420         (coverage_init): Use profile_data_prefix.
421         Read profile counter only if flag_profile_use is set.
422         * opts.c (common_handle_option): New option fprofile-use=,
423         fprofile-dir=, fprofile-generate=.
424         * toplev.c (profile_data_prefix): New variable definition.
425         * toplev.h (profile_data_prefix): New declaration.
426         * doc/invoke.tex (Option Summary, Optimization Options):
427         Add new options.
428
429 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
430
431         * varasm.c (output_constant_pool_1): In LABEL_REF check,
432         use tmp consistently.
433
434         PR target/35695
435         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
436         * config/ia64/ia64.c (rtx_needs_barrier): Handle
437         UNSPEC_FR_RECIP_APPROX_RES.
438         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
439
440 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
441
442         PR c/35750
443         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
444
445 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
446
447         PR middle-end/30186
448         * fold-const.c (fold_indirect_ref_1): Support accessing non first
449         element of the vector via a pointer.
450
451 2008-03-31  Ian Lance Taylor  <iant@google.com>
452
453         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
454
455 2008-03-31  Jan Hubicka  <jh@suse.cz>
456
457         * builtins.c (expand_builtin_setjmp_receiver): Update call of
458         get_arg_pointer_save_area.
459         * expr.c (init_expr): Just clear out rtl.expr.
460         * function.c (free_after_compilation): Clear out whole RTL structure.
461         (get_func_frame_size): Merge into ...
462         (get_frame_size): ... this one.
463         (assign_stack_local_1): Merge into ...
464         (assign_stack_local): ... this one.
465         (expand_function_end): Update call of get_arg_pointer_save_area.
466         (get_art_pointer_save_area): Remove cfun argument.
467         * function.h (emit_status): regno_pointer_align does not need length
468         attribute. Move x_regno_reg_rtx to ...
469         (regno_reg_rtx): ... new global array.
470         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
471         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
472         apply_args_value, forced_labels, stack_pointer_delta):
473         Update accestors.
474         (struct varasm_status): Move here from varasm.c
475         (struct rtl_data): New. Move here some fields from struct function.
476         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
477         frame_offset, stack_check_probe_note, arg_pointer_save_area,
478         used_temp_slots avail_temp_slots, temp_slot_level,
479         nonlocal_goto_handler_labels): Update accesstors.
480         (rtl): New global variable.
481         (struct function): Move some fileds to rtl_data.
482         (get_arg_pointer_save_area): Update prototype.
483         * emit-rtl.c (rtl): Declare.
484         (regno_reg_rtx): Declare.
485         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
486         Update.
487         (gen_reg_rtx): Update.
488         (init_virtual_regs): Do not tate emit_status argument.
489         (init_emit): Do not allocate emit.
490         * varasm.c (varasm_statuc): Move to function.h.
491         (n_deferred_constatns): Update accestor.
492         (init_varasm_status): Do not allocate varasm_status.
493         (force_const_mem, get_pool_size, output_constant_pool): Update.
494         * stmt.c (force_label_rtx): Do not use x_ prefixes.
495         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
496
497 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
498
499         PR rtl-optimization/35729
500         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
501         references.
502
503 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
504
505         PR target/32000
506         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
507         load/store if memory is unaligned.
508         (*movti_rex64): Likewise.
509
510         * config/i386/predicates.md (misaligned_operand): New.
511
512 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
513
514         PR tree-opt/35431
515         * tree-ssa-phiopt.c (conditional_replacement): Return early for
516         complex types.
517
518 2008-03-31  Jan Beulich  <jbeulich@novell.com>
519
520         * config/ia64/constraints.md: Add 'j' constraint.
521         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
522         (movdi_internal): Likewise.
523
524 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
525
526         PR c/35748
527         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
528
529 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
530
531         PR target/35757
532         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
533         proper error message for the third argument on blendpd and
534         blendps.
535
536         * config/i386/sse.md (blendbits): New.
537         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
538
539 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
540
541         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
542
543 2008-03-30  Richard Guenther  <rguenther@suse.de>
544
545         PR middle-end/31023
546         * fold-const.c (fold_sign_changed_comparison): Do leave
547         conversions to base-types alone.
548
549 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
550
551         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
552         the link register if one altivec register is be saved.
553
554 2008-03-30  Ben Elliston  <bje@au.ibm.com>
555
556         * final.c (final_scan_insn): Remove if (0) code.
557
558 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
559
560         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
561
562 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
563
564         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
565         of V4SFmode to ix86_binary_operator_ok.
566
567 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
568
569         * config/i386/i386.c (override_options): Initialize
570         ix86_veclib_handler to ix86_veclibabi_svml when
571         -mveclibabi=svml is used.
572         (ix86_veclibabi_svml): New function for SVML ABI style
573         vectorization support.
574         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
575
576 2008-03-28  Rafael Espindola  <espindola@google.com>
577
578         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
579         (tree_binary_nonnegative_warnv_p): Make it public.
580         (tree_single_nonnegative_warnv_p): Make it public.
581         (tree_invalid_nonnegative_warnv_p): Make it public.
582         (tree_unary_nonzero_warnv_p): Make it public.
583         (tree_binary_nonzero_warnv_p): Make it public
584         (tree_single_nonzero_warnv_p): Make it public.
585         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
586         (extract_range_from_binary_expr): Split the expr argument.
587         (extract_range_from_unary_expr): Split the expr argument.
588         (extract_range_from_comparison): Split the expr argument.
589         (extract_range_from_expr): Use the new aux functions.
590         (vrp_evaluate_conditional_warnv): Use
591         vrp_evaluate_conditional_warnv_with_ops.
592         * tree.h (tree_unary_nonzero_warnv_p): Declare.
593         (tree_binary_nonzero_warnv_p): Declare.
594         (tree_single_nonzero_warnv_p): Declare.
595         (tree_expr_nonzero_warnv_p): Declare.
596         (tree_unary_nonnegative_warnv_p): Declare.
597         (tree_binary_nonnegative_warnv_p): Declare.
598         (tree_single_nonnegative_warnv_p): Declare.
599         (tree_invalid_nonnegative_warnv_p): Declare.
600
601 2008-03-28  Richard Guenther  <rguenther@suse.de>
602
603         PR tree-optimization/30317
604         PR tree-optimization/30911
605         PR tree-optimization/34793
606         * tree-vrp.c (set_and_canonicalize_value_range): New function.
607         (struct assert_locus_d): New member EXPR.
608         (register_new_assert_for): Add EXPR parameter to support
609         ASSERT_EXPR <name, expr OP limit>.
610         (register_edge_assert_for_1): Adjust callers.
611         (find_assert_locations): Likewise.
612         (process_assert_insertions_for): Build condition from expression.
613         (extract_range_from_assert): Handle ASSERT_EXPRs
614         of the form ASSERT_EXPR <name, expr OP limit>.
615         (register_edge_assert_for_2): New helper registering
616         asserts for comparisons.  Recognize range tests of the form
617         (unsigned)i - CST1 OP CST2.
618         (register_edge_assert_for_1): Use it.
619         (register_edge_assert_for): Likewise.
620         (needs_overflow_infinity): Integer sub-types
621         do not need overflow infinities.
622         (vrp_val_is_max): The extreme values of integer sub-types
623         are those of the base type.
624         (vrp_val_is_min): Likewise.
625         * tree.def (ASSERT_EXPR): Document extra allowed conditional
626         expressions.
627
628 2008-03-28  Nick Clifton  <nickc@redhat.com>
629
630         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
631         Return GENERAL_REGS for stack adjustment reloads.
632
633 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
634
635         PR target/31334
636         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
637         const_vector when all the vectors are constant.
638
639 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
640
641         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
642         comparisons.
643         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
644         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
645         (scc_sf): New.
646         (s<code>_sf): Use new scc_sf attribute for opcode names.
647
648 2008-03-27  Tom Tromey  <tromey@redhat.com>
649
650         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
651         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
652         config/spu/t-spu-elf, config/i386/t-interix,
653         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
654         config/i386/x-darwin, config/i386/x-mingw32,
655         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
656         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
657         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
658         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
659         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
660         config/rs6000/x-darwin, config/rs6000/t-rs6000,
661         config/score/t-score-elf, config/arm/t-strongarm-pe,
662         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
663         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
664         Revert automatic dependency patch.
665
666 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
667
668         PR target/35657
669         * config/i386/i386.c (ix86_function_arg_boundary): Align
670         decimal floating point to its natural boundary.
671
672 2008-03-27  Richard Guenther  <rguenther@suse.de>
673
674         PR middle-end/35716
675         * fold-const.c (fold_comparison): Restrict distinct decl
676         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
677         solely rely on operand_equal_p.
678
679 2008-03-27  Richard Guenther  <rguenther@suse.de>
680
681         PR c/32511
682         * c-common.c (handle_weak_attribute): Reject combination of
683         weak and inline.
684
685 2008-03-27  Richard Guenther  <rguenther@suse.de>
686
687         PR tree-optimization/32810
688         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
689         conversions from DECL_INITIAL.
690         (fold_const_aggregate_ref): Likewise from constructor elements.
691
692 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
693
694         * tree-affine.h (aff_combination_expand): Declare.
695         (get_inner_reference_aff): Likewise.
696         * tree-affine.c (aff_combination_expand): Split out from
697         tree_to_aff_combination_expand.
698         (get_inner_reference_aff): New function.
699         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
700         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
701         (struct lim_aux_data): sm_done field removed.
702         (mem_ref_loc_p, mem_ref_locs_p): New types.
703         (struct mem_ref): Added id, stored, accesses_in_loop,
704         indep_loop, dep_loop, indep_ref, dep_ref fields.
705         Removed is_stored, locs and next fields.
706         (memory_accesses): New variable.
707         (movement_possibility): Do not allow moving statements
708         that store to memory.
709         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
710         New functions.
711         (determine_max_movement): For statements with memory references,
712         find the outermost loop in that the reference is independent.
713         (move_computations_stmt): Mark the virtual operands for renaming.
714         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
715         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
716         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
717         add_vop_ref_mapping, create_vop_ref_mapping_loop,
718         create_vop_ref_mapping, analyze_memory_references,
719         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
720         get_all_locs_in_loop, ref_always_accessed_p,
721         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
722         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
723         store_motion_loop, store_motion): New functions.
724         (struct vop_to_refs_elt): New type.
725         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
726         memref_hash, memref_eq, hoist_memory_references): Rewritten.
727         (schedule_sm): Replaced by...
728         (execute_sm): ... this.
729         (determine_lsm_ref, hoist_memory_references,
730         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
731         find_more_ref_vops, free_mem_ref, free_mem_refs,
732         determine_lsm_loop, determine_lsm): Removed.
733         (tree_ssa_lim_finalize): Free data structures used by store motion.
734         (tree_ssa_lim): Call analyze_memory_references.  Use
735         store_motion instead of determine_lsm.
736
737 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
738
739         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
740         rename tmake_file to m68hc11/t-m68hc11.
741         (mcore): Set inhibit_libc to true.
742         * config.host (alpha*-dec-*vms*): Set extra_programs.
743         (interix3*): Don't use host_xmake_file.
744         * configure.ac: Let config.gcc override inhibit_libc.
745         * configure: Regenerate.
746
747         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
748         * config/t-openbsd-thread: Remove commented out lines.
749         
750         * config/x-interix: Remove.
751
752         * config/m68hc11/t-m68hc11-gas: Rename to...
753         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
754
755         * config/mcore/t-mcore: Remove T_CFLAGS.
756         * config/mcore/t-mcore-pe: Likewise.
757
758 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
759
760         * configure.ac: Replace custom __GNU_SOURCE test with
761         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
762         * aclocal.m4: Regenerate.
763         * configure: Regenerate.
764         * config.in: Regenerate.
765
766 2008-03-27  Richard Guenther  <rguenther@suse.de>
767
768         * fold-const.c (target.h): Include.
769         (fold_comparison): Fold comparison of addresses of decls
770         that bind locally or of constants.  Consolidate address folding code.
771         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
772         results from fold_binary_to_constant.
773         (compare_values_warnv): Likewise.
774
775 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
776
777         PR middle-end/35429
778         * fold-const.c (fold_truthop): Check for integeral types when folding
779         a == 0 && b == 0 and a != 0 || b != 0 .
780
781 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
782
783         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
784
785 2008-03-26  Andreas Schwab  <schwab@suse.de>
786
787         * doc/invoke.texi: Fix use of @item vs. @itemx.
788
789 2008-03-26  Tom Tromey  <tromey@redhat.com>
790
791         * Makefile.in (build/gensupport.o, build/print-rtl.o,
792         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
793         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
794         build/gencodes.o, build/genconditions.o, build/genconfig.o,
795         build/genconstants.o, build/genemit.o, build/genextract.o,
796         build/genflags.o, build/genmddeps.o, build/genopinit.o,
797         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
798         options.h.
799
800 2008-03-26  Richard Guenther  <rguenther@suse.de>
801
802         Revert
803         2008-03-26  Richard Guenther  <rguenther@suse.de>
804
805         * fold-const.c (target.h): Include.
806         (fold_comparison): Fold comparison of addresses of two decls
807         that bind locally.  Consolidate address folding code.
808
809 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
810
811         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
812         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
813         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
814         dconstsqrt2, dconstthird, dconste and/or dconst10.
815         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
816         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
817         dconstsqrt2, dconste): Delete.
818         (init_emit_once): Likewise.  Simplify initializing dconstm1.
819         Constify variable.
820         * real.c (get_real_const): New.
821         * real.h (dconst3, dconst10, dconstm2, dconstthird,
822         dconstsqrt2, dconste): Delete.
823         (real_value_const, get_real_const): New.
824
825 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
826
827         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
828
829         * config/i386/i386.c (ix86_function_arg_boundary): Check
830         BIGGEST_ALIGNMENT instead of 128.
831         (setup_incoming_varargs_64): Likewise.
832
833 2008-03-26  Tom Tromey  <tromey@redhat.com>
834
835         * Makefile.in (DEPFILES): Add missing '/'.
836
837 2008-03-26  Richard Guenther  <rguenther@suse.de>
838
839         * fold-const.c (target.h): Include.
840         (fold_comparison): Fold comparison of addresses of two decls
841         that bind locally.  Consolidate address folding code.
842
843 2008-03-26  Nick Clifton  <nickc@redhat.com>
844
845         PR target/31232
846         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
847         not allow INT+INT as a legitimate addressing mode.
848
849 2008-03-26  Richard Guenther  <rguenther@suse.de>
850
851         * tree-flow.h (widen_bitfield): Remove declaration.
852         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
853         (widen_bitfield): Remove function.
854         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
855         code.
856
857 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
858
859         PR target/31558
860         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
861         error_mark_node's.
862
863 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
864
865         PR rtl-optimization/35232
866         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
867         (forget_old_reloads_1, forget_marked_reloads): Don't clear
868         reg_reloaded_call_part_clobbered here.
869         (reload_regs_reach_end_p): New function.
870         (reload_reg_rtx_for_input): New variable.
871         (reload_reg_rtx_for_output): Likewise.
872         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
873         when reassigning a pseudo register.  Load reloadreg from 
874         reload_reg_rtx_for_input, moving the mode and register
875         calculation to...
876         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
877         instead of the original when deciding whether an input reload
878         would be a no-op or whether an output reload can be deleted.
879         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
880         when setting up new_spill_reg_store.  Load it from
881         reload_reg_rtx_for_output, moving the mode and register
882         calculation to...
883         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
884         instead of the original when deciding whether an output reload
885         would be a no-op.  Do the same when modifying insn notes.
886         Use rtx_equal_p instead of == to compare the registers.
887         (inherit_piecemeal_p): Take a mode and two register numbers
888         as argument.
889         (emit_reload_insns): Clear new_spill_reg_store for every hard
890         register in the reload register.  Remove spill registers
891         from reg_reloaded_valid before considering whether to record
892         inheritance information for them.  Use reload_reg_rtx_for_output
893         instead of reg_rtx when recording output reloads.  Use
894         reload_reg_rtx_for_input instead of reg_rtx when recording
895         input reloads.  Set or clear reg_reloaded_call_part_clobbered
896         at the same time as setting reg_reloaded_valid.
897         (delete_output_reload): Add a new_reload_reg parameter and use it
898         instead of rld[j].reg_rtx.
899         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
900         calls accordingly.
901
902 2008-03-25  Tom Tromey  <tromey@redhat.com>
903
904         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
905         (build/genattr.o): Likewise.
906         (build/genattrtab.o): Likewise.
907         (build/gencodes.o): Likewise.
908         (build/genconfig.o): Likewise.
909         (build/genconstants.o): Likewise.
910         (build/genemit.o): Likewise.
911         (build/genextract.o): Likewise.
912         (build/genflags.o): Likewise.
913
914 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
915         
916         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
917         instead of size_int for integer types.
918         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
919         to match type of MINUS_EXPR.
920         
921 2008-03-25  Tom Tromey  <tromey@redhat.com>
922
923         * configure: Rebuilt.
924         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
925         Makefile.
926
927 2008-03-25  Tom Tromey  <tromey@redhat.com>
928
929         * config/x-solaris (host-solaris.o): Update.
930         * config/x-linux (host-linux.o): Update.
931         * config/x-hpux (host-hpux.o): Update.
932         * config/x-darwin (host-darwin.o): Update.
933         * config/v850/t-v850e (v850-c.o): Update.
934         * config/v850/t-v850 (v850-c.o): Update.
935         * config/t-vxworks (vxworks.o): Update.
936         * config/t-sol2 (sol2-c.o, sol2.o): Update.
937         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
938         * config/spu/t-spu-elf (spu-c.o): Update.
939         (spu.o): Remove.
940         * config/sh/t-symbian (sh-c.o): Update.
941         (symbian.o): Update.
942         * config/sh/t-sh (sh-c.o): Update.
943         * config/score/t-score-elf (score7.o, score3.o): Update.
944         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
945         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
946         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
947         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
948         (rs6000.o): Remove.
949         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
950         * config/m32c/t-m32c (m32c-pragma.o): Update.
951         * config/ia64/t-ia64 (ia64-c.o): Update.
952         * config/i386/x-mingw32 (host-mingw32.o): Update.
953         * config/i386/x-i386 (driver-i386.o): Update.
954         * config/i386/x-darwin (host-i386-darwin.o): Update.
955         * config/i386/x-cygwin (host-cygwin.o): Update.
956         * config/i386/t-nwld (nwld.o): Update.
957         * config/i386/t-netware (netware.o): Update.
958         * config/i386/t-interix (winnt.o): Update.
959         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
960         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
961         msformat-c.o): Update.
962         * config/bfin/t-bfin-linux (generated_files): Add
963         linux-sysroot-suffix.h.
964         * config/arm/t-wince-pe (pe.o): Update.
965         * config/arm/t-strongarm-pe (pe.o): Update.
966         * config/arm/t-pe (pe.o): Update.
967         * config/arm/t-arm (arm-c.o): Update.
968         * doc/install.texi (Prerequisites): Require make 3.80.
969         * Makefile.in: Remove .o targets.
970         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
971         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
972         (simple_generated_h, simple_generated_c): Move earlier.
973         (generated_files): New variable.
974         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
975         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
976         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
977         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
978         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
979         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
980         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
981         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
982         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
983         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
984         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
985         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
986         (.c.o): Remove.
987         (COMPILE.base, COMPILE): New variables.
988         (%.o): New pattern rule.
989         (ALL_HOST_OBJS): New variable.
990         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
991         (dummy-checksum.o, cc1-checksum.o): Remove.
992         (DRIVER_SHLIB): New variable.
993         (DRIVER_DEFINES): Use it.
994         (gencondmd.c): Move out of build/.
995         (s-conditions): Update.
996         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
997         (ALL_BUILD_OBJS): Likewise.
998         (build/%.o): Use BUILDCOMPILE.
999         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1000         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1001         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1002         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1003         build/genconfig.o, build/genconstants.o, build/genemit.o,
1004         build/genextract.o, build/genflags.o, build/genmddeps.o,
1005         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1006         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1007         build/gen-protos.o, build/scan.o, build/fix-header.o,
1008         build/scan-decls.o): Simplify.
1009         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1010         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1011         prefix.o, toplev.o): Reduce to variable setting.
1012         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1013         ($(out_object_file), gcc-options.o): New targets.
1014         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1015         * configure: Rebuilt.
1016         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1017         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1018
1019 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1020
1021         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1022         complain when we hit an error, return ERROR_MARK_NODE.
1023
1024 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1025
1026         * config/sh/constraints.md (Pso, Psz): New constraints.
1027         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1028         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1029
1030 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1031
1032         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1033         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1034
1035 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1036
1037         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1038         (prefetch_sh2a): New.   
1039
1040 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1041             Naveen.H.S  <naveen.hs@kpitcummins.com>
1042
1043         * config/sh/constraints.md (I28): New constraint.
1044         * config/sh/sh.c (broken_move): Add support for movi20s.
1045         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1046
1047 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1048             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1049             Naveen.H.S  <naveen.hs@kpitcummins.com>
1050
1051         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1052         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1053         (print_operand): Handle resbank in %@ operand code.
1054         (sh_encode_section_info): New.
1055         (push_regs): Add conditions for resbank.
1056         (sh_expand_epilogue): Likewise.
1057         (sh_insert_attributes): Likewise.
1058         (sh_attribute_table): Likewise.
1059         (sh_handle_resbank_handler_attribute): New.
1060         (sh2a_handle_function_vector_handler_attribute): New.
1061         (sh2a_is_function_vector_call): New.
1062         (sh2a_get_function_vector_number): New.
1063         (sh2a_function_vector_p): New.
1064         (sh_cfun_resbank_handler_p): New.
1065         * config/sh/sh.md (calli): Emit jsr/n if possible.
1066         (calli_tbr_rel): New.
1067         (calli_pcrel): Emit jsr/n if possible.
1068         (return_i): Emit rts/n if possible.
1069         (call_valuei_tbr_rel): New.
1070         (call_valuei_pcrel): Add condition for SH2A target.
1071         (call_value): Likewise.
1072         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1073         (sh2a_get_function_vector_number): Likewise.
1074         (sh2a_is_function_vector_call): Likewise.
1075         * doc/extend.texi: Document TBR relative addressing of SH2A.
1076         (resbank): Add description for SH2A.
1077
1078 2008-03-24  Richard Guenther  <rguenther@suse.de>
1079
1080         PR c/22371
1081         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1082         pointer assignments change conversions according to middle-end rules.
1083         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1084         * configure.ac: Include type checking in yes.
1085         * configure: Regenerate.
1086
1087 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1088
1089         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1090         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1091         
1092 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1093
1094         * gthr-vxworks.h (UNUSED): Define.
1095
1096 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1097
1098         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1099
1100 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1101
1102         * doc/extend.texi (Function Attributes): Add missing comma in the
1103         example of the "alloc_size" attribute.
1104         
1105 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1106
1107         Revert:
1108         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1109
1110         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1111         32bit host.
1112
1113         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1114
1115         PR target/35496
1116         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1117         of the underlying type of a MS bitfield layout to the natural
1118         alignment of the type.
1119
1120         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1121
1122         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1123         to their natural alignment to avoid store forwarding stalls.
1124
1125 2008-03-22  Richard Guenther  <rguenther@suse.de>
1126
1127         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1128         For PHI nodes verify the address is invariant.
1129         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1130         (get_symbol_constant_value): Use is_gimple_min_invariant.
1131         (maybe_fold_stmt_indirect): Likewise.
1132
1133 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1134
1135         PR rtl-optimization/33927
1136         * Makefile.in (dse.o): Depend on $(TM_P_H).
1137         * expr.h (extract_low_bits): Declare.
1138         * expmed.c (extract_low_bits): New function.
1139         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1140         * dse.c: Include tm_p.h.
1141         (find_shift_sequence): Remove the read_reg argument and return the
1142         read value.  Emit the instructions instead of returning them.
1143         Iterate on new_mode rather than calculating it each time.
1144         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1145         source to NEW_MODE and extract_low_bits to convert the shifted
1146         value to READ_MODE.
1147         (replace_read): Allow the load and store to have different mode
1148         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1149         or extraction instructions before trying the replacement.  Update
1150         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1151
1152 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1153
1154         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1155         to their natural alignment to avoid store forwarding stalls.
1156
1157 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1158
1159         PR target/27946
1160         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1161         encouraging but not allowing gprs for input;
1162         change the input constraint to !f#r.
1163         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1164         gprs for output;
1165         change the output constraint to !f#r.
1166
1167 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         PR target/13958
1170         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1171         corresponding post-reload splitters.
1172         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1173         when x87 FP math is selected.
1174         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1175         New function prototype.
1176         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1177         unreachable function to ease macroization of insn patterns.
1178
1179 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1180
1181         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1182         reference dumps if ddr is NULL or dependence is unknown.
1183
1184 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1185
1186         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1187         unsigned extension into account.
1188         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1189         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1190         Do computations on a scratch register.
1191
1192 2008-03-21  Richard Guenther  <rguenther@suse.de>
1193
1194         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1195         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1196         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1197         * tree-ssa-dom.c (record_equality): Likewise.
1198         * tree-inline.c (copy_body_r): Likewise.
1199         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1200         TREE_INVARIANT.
1201
1202 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1203
1204         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1205         as 'delete_unused' argument.
1206
1207 2008-03-20  Richard Guenther  <rguenther@suse.de>
1208
1209         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1210         special casing of constant qualifiers.
1211         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1212         care about them in general.
1213         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1214         regardless of their type.
1215         (fold_stmt_r): Forcefully fold *& if we end up with that.
1216
1217 2008-03-20  Paul Brook  <paul@codesourcery.com>
1218
1219         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1220         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1221         linker flags.
1222         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1223         definition.
1224         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1225         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1226
1227 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1228
1229         * common.opt (Wmudflap): New option.
1230         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1231         (mx_register_decls): Likewise.
1232         (mudflap_finish_file): Likewise.
1233         * doc/invoke.texi: Document -Wno-mudflap.
1234
1235 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1236
1237         * c-format.c (replace_format_name_to_system_name): New.
1238         (cmp_attribs): New.
1239         (convert_format_name_to_system_name): New.
1240         (decode_format_attr): Add use of convert_format_name_to_system_name.
1241         (format_types_orig): Add gnu_ prefix to names.
1242         (check_format_info_main): Special treating of \0 escaped names for
1243         supporting multi-character format specifiers as I32, I64.
1244         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1245         (gnu_target_overrides_format_attributes): New.
1246         * c-format.h: Add structure target_ovr_attr to hold
1247         system specific formatter names.
1248         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1249         msformat-c.o file to c_target_objs and cxx_target_objs.
1250         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1251         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1252         (TARGET_N_FORMAT_TYPES): New.
1253         * config/i386/msformat-c.c: New.
1254         * config/i386/t-cygming: Add build rule for msformat-c.o.
1255         * doc/extend.texi: Add new format names gnu_* and ms_* and
1256         further details.
1257         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1258
1259 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1260
1261         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1262         optimizations turned on under -O3.
1263         (ftree-vectorize): Add that the flag is turned on with -O3.
1264
1265 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1266
1267         * regmove.c (try_auto_increment): Fix spelling error in comment.
1268         * final.c (final_scan_insn): Likewise.
1269
1270 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1271
1272         PR target/14552
1273         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1274         allocator preferences for "y" and "r" class registers.
1275         ("*mov<mode>_internal"): Ditto.
1276         ("*movv2sf_internal_rex64"): Ditto.
1277         ("*movv2sf_internal"): Ditto.
1278
1279 2008-03-19  Michael Matz  <matz@suse.de>
1280
1281         PR middle-end/35616
1282         * calls.c (expand_call): Check overlap of arguments with call
1283         address for sibcalls.
1284
1285 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         PR target/35496
1288         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1289         of the underlying type of a MS bitfield layout to the natural
1290         alignment of the type.
1291
1292 2008-03-19  Jan Hubicka  <jh@suse.cz>
1293
1294         PR other/35094
1295         * toplev.c (decode_d_option): Handle all CPP flags.
1296         * tree-vrp.c: Update tree_pass descriptors.
1297         * regrename.c: Update tree_pass descriptors.
1298         * fwprop.c: Update tree_pass descriptors.
1299         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1300         * tree-into-ssa.c: Update tree_pass descriptors.
1301         * tree-dump.c: Update tree_pass descriptors.
1302         * tree-complex.c: Update tree_pass descriptors.
1303         * tree-dump.h: Update tree_pass descriptors.
1304         * see.c: Update tree_pass descriptors.
1305         * cgraphbuild.c: Update tree_pass descriptors.
1306         * tracer.c: Update tree_pass descriptors.
1307         * tree-loop-distribution.c: Update tree_pass descriptors.
1308         * cgraph.c: Update tree_pass descriptors.
1309         * postreload-gcse.c: Update tree_pass descriptors.
1310         * postreload.c: Update tree_pass descriptors.
1311         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1312         * tree-tailcall.c: Update tree_pass descriptors.
1313         * tree-pass.h (tree_opt_pass): Rename to ...
1314         (opt_pass) ... this one; add "type" field and remove letter field.
1315         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1316         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1317         all_lowering_passes): Update declaration.
1318         * ipa-cp.c: Update tree_pass descriptors.
1319         * final.c: Update tree_pass descriptors.
1320         * omp-low.c: Update tree_pass descriptors.
1321         * tree-ssa-dse.c: Update tree_pass descriptors.
1322         * ipa-reference.c: Update tree_pass descriptors.
1323         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1324         * auto-inc-dec.c: Update tree_pass descriptors.
1325         * reorg.c: Update tree_pass descriptors.
1326         * cgraphunit.c: Update tree_pass descriptors.
1327         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1328         * tree-ssa-ccp.c: Update tree_pass descriptors.
1329         * df-core.c: Update tree_pass descriptors.
1330         * mode-switching.c: Update tree_pass descriptors.
1331         * tree-nomudflap.c: Update tree_pass descriptors.
1332         * modulo-sched.c: Update tree_pass descriptors.
1333         * ipa-pure-const.c: Update tree_pass descriptors.
1334         * cse.c: Update tree_pass descriptors.
1335         * web.c: Update tree_pass descriptors.
1336         * tree-stdarg.c: Update tree_pass descriptors.
1337         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1338         * tree-ssa-dom.c: Update tree_pass descriptors.
1339         * tree-nrv.c: Update tree_pass descriptors.
1340         * tree-ssa-alias.c: Update tree_pass descriptors.
1341         * loop-init.c: Update tree_pass descriptors.
1342         * gimple-low.c: Update tree_pass descriptors.
1343         * ipa-inline.c: Update tree_pass descriptors.
1344         * tree-ssa-sink.c: Update tree_pass descriptors.
1345         * global.c: Update tree_pass descriptors.
1346         * ifcvt.c: Update tree_pass descriptors.
1347         * jump.c: Update tree_pass descriptors.
1348         * predict.c: Update tree_pass descriptors.
1349         * tree-ssa-loop.c: Update tree_pass descriptors.
1350         * recog.c: Update tree_pass descriptors.
1351         * dse.c: Update tree_pass descriptors.
1352         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1353         * tree-eh.c: Update tree_pass descriptors.
1354         * regmove.c: Update tree_pass descriptors.
1355         * local-alloc.c
1356         * function.c: Update tree_pass descriptors.
1357         * tree-vectorizer.c: Update tree_pass descriptors.
1358         * gcse.c: Update tree_pass descriptors.
1359         * ipa-type-escape.c: Update tree_pass descriptors.
1360         * tree-if-conv.c: Update tree_pass descriptors.
1361         * init-regs.c: Update tree_pass descriptors.
1362         * ipa.c: Update tree_pass descriptors.
1363         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1364         * rtl-factoring.c: Update tree_pass descriptors.
1365         * lower-subreg.c: Update tree_pass descriptors.
1366         * bt-load.c: Update tree_pass descriptors.
1367         * tree-dfa.c: Update tree_pass descriptors.
1368         * except.c: Update tree_pass descriptors.
1369         * emit-rtl.c: Update tree_pass descriptors.
1370         * cfgexpand.c: Update tree_pass descriptors.
1371         * tree-cfgcleanup.c: Update tree_pass descriptors.
1372         * cfgcleanup.c: Update tree_pass descriptors.
1373         * tree-ssa-pre.c: Update tree_pass descriptors.
1374         * tree-sra.c: Update tree_pass descriptors.
1375         * tree-mudflap.c: Update tree_pass descriptors.
1376         * tree-ssa-copy.c: Update tree_pass descriptors.
1377         * cfglayout.c: Update tree_pass descriptors.
1378         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1379         * tree-ssa-dce.c: Update tree_pass descriptors.
1380         * tree-ssa.c: Update tree_pass descriptors.
1381         * regclass.c: Update tree_pass descriptors.
1382         * integrate.c: Update tree_pass descriptors.
1383         * tree-optimize.c: Update tree_pass descriptors.
1384         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1385         * tree-object-size.c: Update tree_pass descriptors.
1386         * combine.c: Update tree_pass descriptors.
1387         * tree-outof-ssa.c: Update tree_pass descriptors.
1388         * bb-reorder.c: Update tree_pass descriptors.
1389         * stack-ptr-mod.c: Update tree_pass descriptors.
1390         * var-tracking.c: Update tree_pass descriptors.
1391         * tree-profile.c: Update tree_pass descriptors.
1392         * tree-vect-generic.c: Update tree_pass descriptors.
1393         * reg-stack.c: Update tree_pass descriptors.
1394         * sched-rgn.c: Update tree_pass descriptors.
1395         * tree-ssa-structalias.c: Update tree_pass descriptors.
1396         * tree-cfg.c: Update tree_pass descriptors.
1397         * passes.c (current_pass): Update declaration.
1398         (finish_optimization_passes): Update.
1399         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1400         (register_one_dump_file, register_dump_files_1, next_pass_1):
1401         Update arguments.
1402         (init_optimization_passes): Update handling of new types.
1403         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1404         * ipa-struct-reorg.c: Update tree_pass descriptors.
1405         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1406         * combine-stack-adj.c: Update tree_pass descriptors.
1407         * cfgrtl.c: Update tree_pass descriptors.
1408         * dce.c: Update tree_pass descriptors.
1409         * tree-ssanames.c: Update tree_pass descriptors.
1410
1411 2008-03-19  Richard Guenther  <rguenther@suse.de>
1412
1413         PR middle-end/35609
1414         * tree-ssa.c (walk_data): New structure.
1415         (warn_uninitialized_var): If not always_executed warn with "maybe"
1416         instead of "is".
1417         (execute_early_warn_uninitialized): Compute post-dominators.
1418         Initialize always_executed before processing each basic block.
1419
1420 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1421
1422         PR target/35504
1423         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1424         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1425
1426 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1427
1428         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1429
1430 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1431
1432         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1433         is true.
1434         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1435         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1436         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1437         target after ignore has been set, and move there also the commputation
1438         of subtarget and original_target.
1439         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1440         (LANG_HOOKS_INITIALIZER): Remove it.
1441         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1442
1443 2008-03-18  Richard Guenther  <rguenther@suse.de>
1444
1445         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1446         found an expression with constants, note that in the VN for the lhs.
1447         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1448         fold them to constants if possible.  Run cleanup_cfg if done so.
1449         (execute_pre): Return todo.
1450         (do_pre): Likewise.
1451         (execute_fre): Likewise.
1452         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1453         of constants.
1454         (get_prop_source_stmt): Look through pointer conversions.
1455
1456 2008-03-18  Jan Hubicka  <jh@suse.cz>
1457
1458         * tree-pretty-print.c: Include predict.h.
1459         (dump_generic_node): Dump predictor.
1460         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1461         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1462         * gimple-low.c (lower_stmt): Likewise.
1463         * expr.c (expand_expr_real): Likewise.
1464         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1465         them.
1466         (build_predict_expr, build_predict_expr): New.
1467         * predict.h (predictor_name, build_predict_expr): Update.
1468         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1469         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1470         * predict.def (PRED_CONTINUE): Update hitrate.
1471         * tree.def (PREDICT_EXPR): Define.
1472         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1473         do not handle BIND_EXPR.
1474         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1475         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1476         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1477         operands.
1478
1479 2008-03-18  Michael Matz  <matz@suse.de>
1480
1481         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1482
1483 2008-03-18  Richard Guenther  <rguenther@suse.de>
1484
1485         * tree-gimple.h (is_gimple_invariant_address): Declare.
1486         (is_gimple_constant): Likewise.
1487         * tree-gimple.c (is_gimple_constant): New function.
1488         (is_gimple_invariant_address): Likewise.
1489         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1490         and is_gimple_invariant_address.
1491         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1492         previous change.
1493         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1494         an addressable base.
1495
1496 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1497
1498         PR middle-end/35611
1499         * gimplify.c (gimplify_expr): Gimplify second operand of
1500         OMP_ATOMIC_LOAD.
1501
1502 2008-03-17  Richard Guenther  <rguenther@suse.de>
1503
1504         PR tree-optimization/19637
1505         * fold-const.c (fold_unary): Remove restrictions of removing
1506         intermediate pointer-conversions (P2)(P1)P0.
1507         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1508         conversion to void pointer.
1509         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1510
1511 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1512
1513         PR debug/31510
1514         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1515         emulated thread local variables.
1516
1517 2008-03-16  Richard Guenther  <rguenther@suse.de>
1518
1519         PR middle-end/35607
1520         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1521         expand TREE_INVARIANT operations that are not gimple invariant.
1522
1523 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1524
1525         * doc/extend.texi (Alignment): Say that the ABI controls
1526         the __alignof__ for non-strict-alignment targets rather
1527         than being a recommendation.
1528
1529 2008-03-15  Paul Brook  <paul@codesourcery.com>
1530
1531         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1532         annotations.
1533         (arm_output_fn_unwind): Mark functions that can not be unwound.
1534
1535 2008-03-15  Paul Brook  <paul@codesourcery.com>
1536
1537         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1538         extension instructions.
1539
1540 2008-03-15  Richard Guenther  <rguenther@suse.de>
1541
1542         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1543         and fold constant aggregate refs.
1544         (fold_const_aggregate_ref): Handle string constants
1545         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1546         (evaluate_stmt): Simplify now that ccp_fold folds constant
1547         aggregate refs.
1548
1549 2008-03-15  Paul Brook  <paul@codesourcery.com>
1550
1551         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1552         (extzv): Use gen_extzv_t2.
1553         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1554
1555 2008-03-15  Richard Guenther  <rguenther@suse.de>
1556
1557         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1558         (fold_const_aggregate_ref): Likewise.
1559         (get_value): Return NULL if we don't have any values.
1560         (ccp_finalize): Set const_val to NULL after freeing it.
1561         * tree-flow.h (get_symbol_constant_value): Declare.
1562         (fold_const_aggregate_ref): Likewise.
1563         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1564
1565 2008-03-15  Richard Guenther  <rguenther@suse.de>
1566
1567         PR middle-end/35593
1568         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1569         to not produce negative array indices if not allowed.  Add
1570         parameter to indicate that.
1571         (maybe_fold_offset_to_component_ref): Allow negative array
1572         indices only for the first member of a structure.
1573         (maybe_fold_offset_to_reference): Allow negative array indices.
1574         (maybe_fold_stmt_addition): Likewise.
1575
1576 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1577             Anatoly Sokolov <aesok@post.ru>
1578
1579         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1580         (avr_arch): Add ARCH_AVR6.
1581         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1582         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1583         instead of fixed value 2.
1584         (print_operand_address): Use gs() asm specifier instead of pm().
1585         (avr_assemble_integer): (Ditto.).
1586         (avr_output_addr_vec_elt): (Ditto.).
1587         (print_operand): Handle "!" code.
1588         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1589         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1590         (AVR_HAVE_EIJMP_EICALL): Define.
1591         (AVR_3_BYTE_PC): Redefine.
1592         (AVR_2_BYTE_PC): (Ditto.).
1593         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1594         (LINK_SPEC): Add atmega2560 and atmega2561.
1595         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1596         (crtm2561.o).
1597         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1598         for 3 byte PC devices.
1599         (call_value_insn): (Ditto.).
1600         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1601         (indirect_jump): Use only for for 2 byte PC devices.
1602         (*tablejump): (Ditto.).
1603         (*indirect_jump_avr6): Add insn.
1604         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1605         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1606         instead of ijmp for 3 byte PC devices.
1607         (__tablejump2__): (Ditto.).
1608         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1609         (MULITLIB_DIRNAMES): (Ditto.). 
1610         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1611
1612 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1613
1614         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1615         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1616         ("mmx_psadbw"): Use V1DI mode for operand 0.
1617         * config/i386/i386-modes.def (V1SI): New vector mode.
1618         * config/i386/i386.c (struct builtin_description)
1619         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1620         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1621         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1622         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1623         v1di_ftype_v8qi_v8qi type.
1624         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1625
1626         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1627         __builtin_ia32_pmuludq]: Fix the mode of return value.
1628
1629 2008-03-15  Richard Guenther  <rguenther@suse.de>
1630
1631         PR middle-end/35595
1632         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1633         being a PHI_NODE.
1634
1635 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1636         
1637         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1638         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1639         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1640         unless TARGET_SERIALIZE_VOLATILE is enabled.
1641         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1642         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1643         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1644
1645 2008-03-14  Richard Guenther  <rguenther@suse.de>
1646
1647         PR tree-optimization/34172
1648         * tree-flow.h (refs_may_alias_p): Declare.
1649         (get_single_def_stmt): Likewise.
1650         (get_single_def_stmt_from_phi): Likewise.
1651         (get_single_def_stmt_with_phi): Likewise.
1652         * tree-dfa.c (refs_may_alias_p): New function.
1653         (get_single_def_stmt): Likewise.
1654         (get_single_def_stmt_from_phi): Likewise.
1655         (get_single_def_stmt_with_phi): Likewise.
1656         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1657         (vn_reference_lookup_1): New helper function.
1658         (vn_reference_lookup): Walk the virtual use-def chain to
1659         continue searching for a match if the def does not alias the
1660         reference we are looking for.
1661
1662 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1663
1664         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1665         archive and Perzl.  Update The Written Word listing.
1666
1667 2008-03-14  Richard Guenther  <rguenther@suse.de>
1668
1669         PR tree-optimization/34043
1670         PR tree-optimization/33989
1671         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1672         when doing FRE.
1673         (bitmap_find_leader): Use extra argument to verify dominance
1674         relationship inside a basic-block.
1675         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1676         (find_leader_in_sets): Adjust.
1677         (create_component_ref_by_pieces): Take extra argument for
1678         dominance check, handle lookup failures.
1679         (find_or_generate_expression): Likewise.
1680         (create_expression_by_pieces): Likewise.
1681         (insert_into_preds_of_block): Adjust.
1682         (create_value_expr_from): If asked for, verify all operands
1683         are in the blocks AVAIL_OUT set.
1684         (make_values_for_stmt): Check for SSA_NAMEs that are life
1685         over an abnormal edge.
1686         (compute_avail): Remove such check.
1687         (do_SCCVN_insertion): New function.
1688         (eliminate): If we do not find a leader suitable for replacement
1689         insert a replacement expression from SCCVN if available.
1690         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1691         (struct vn_ssa_aux): Add needs_insertion flag.
1692         * tree-ssa-sccvn.c (may_insert): New global flag.
1693         (copy_reference_ops_from_ref): Value-number union member access
1694         based on its size, not type and member if insertion is allowed.
1695         (visit_reference_op_load): For a weak match from union type
1696         punning lookup a view-converted value and insert a SSA_NAME
1697         for that value if that is not found.
1698         (visit_use): Make dumps shorter.  Do not disallow value numbering
1699         SSA_NAMEs that are life over an abnormal edge to constants.
1700         (free_scc_vn): Release inserted SSA_NAMEs.
1701         (run_scc_vn): New flag to specify whether insertion is allowed.
1702         Process SSA_NAMEs in forward order.
1703         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1704         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1705         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1706         pointer type to/from integral types that do not change the
1707         precision to regular conversions.
1708
1709 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1710
1711         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1712         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1713         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1714         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1715         input arguments and the mode of return value.  Built-in functions
1716         that operate on whole 64-bit MMX register now use V1DI mode.
1717
1718 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1719             Olga Golovanevsky  <olga@il.ibm.com>
1720
1721         PR tree-optimization/35041
1722         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1723         to locate the right position in a statement.
1724
1725 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1726
1727         PR target/34000
1728         PR target/35553
1729         * config/i386/xmmintrin.h:  Change all static inline functions to
1730         extern inline and add __gnu_inline__ attribute.
1731         * config/i386/bmintrin.h: Ditto.
1732         * config/i386/smmintrin.h: Ditto.
1733         * config/i386/tmmintrin.h: Ditto.
1734         * config/i386/mmintrin-common.h: Ditto.
1735         * config/i386/ammintrin.h: Ditto.
1736         * config/i386/emmintrin.h: Ditto.
1737         * config/i386/pmmintrin.h: Ditto.
1738         * config/i386/mmintrin.h: Ditto.
1739         * config/i386/mm3dnow.h: Ditto.
1740
1741 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1742
1743         PR middle-end/35185
1744         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1745         (lower_omp_2): New function.
1746         (lower_omp_1, lower_omp): Rewritten.
1747
1748 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1749
1750         PR 35054
1751         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1752         with the phrase "Microsoft Windows compilers".
1753         (Push/Pop Macro Pragmas): New subsection. Document
1754         #pragma push_macro and pragma pop_macro.
1755
1756 2008-03-12  Paul Brook  <paul@codesourcery.com>
1757
1758         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1759
1760 2008-03-12  Paul Brook  <paul@codesourcery.com>
1761
1762         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1763         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1764         (thumb2_addsi_shortim): Rename ...
1765         (thumb2_addsi_short): ... to this.  Allow register operands.
1766         (thumb2_subsi_short): New pattern.
1767         (thumb2_one_cmplsi2_short,
1768         thumb2_negsi2_short): New patterns and peepholes.
1769
1770 2008-03-12  Paul Brook  <paul@codesourcery.com>
1771
1772         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1773
1774 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1775
1776         * config/i386/i386.md (int_cond): New code iterator.
1777         (fp_cond): Ditto.
1778         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1779         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1780         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1781         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1782         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1783         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1784         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1785         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1786
1787 2008-03-12  Paul Brook  <paul@codesourcery.com>
1788
1789         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1790         instead of {arm,thumb}_compute_save_reg_mask.
1791         (output_return_instruction): Ditto.
1792         (thumb_unexpanded_epilogue): Ditto.
1793         (thumb1_expand_prologue): Ditto.
1794         (thumb1_output_function_prologue): Ditto.
1795         (arm_set_return_address): Ditto.
1796         (thumb_set_return_address): Ditto.
1797         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1798         regs to achieve stack alignment.
1799         (thumb1_compute_save_reg_mask): Fix compiler warning.
1800         (arm_output_epilogue): Use offsets->saved_regs_mask.
1801         Adjust stack pointer by poping call clobered registers.
1802         (arm_expand_prologue): Use offsets->saved_regs_mask.
1803         Adjust stack pointer by pushing extra registers.
1804         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1805
1806 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1807
1808         PR tree-opt/35422
1809         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1810         conversion to the operands of a multiplication.
1811
1812 2008-03-12  Richard Guenther  <rguenther@suse.de>
1813
1814         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1815         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1816         * timevar.def (TV_TREE_PHIPROP): Add.
1817         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1818         pass description.  Use TV_TREE_PHIPROP.
1819         * tree-ssa-forwprop.c: Remove phiprop code.
1820
1821 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1822
1823         PR middle-end/35549
1824         * omp-low.c (maybe_lookup_decl): Constify first argument.
1825         (use_pointer_for_field): Change last argument from bool to
1826         omp_context *.  Disallow shared copy-in/out in nested
1827         parallel if decl is shared in outer parallel too.
1828         (build_outer_var_ref, scan_sharing_clauses,
1829         lower_rec_input_clauses, lower_copyprivate_clauses,
1830         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1831
1832 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1833             Ira Rosen  <irar@il.ibm.com>
1834
1835         * tree-vectorizer.c (free_stmt_vec_info): New function.
1836         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1837         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1838         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1839         * tree-vect-transform.c (vectorizable_conversion): Free
1840         vec_oprnds0 if it was allocated.
1841         (vect_permute_store_chain): Remove unused VECs.
1842         (vectorizable_store): Free VECs that are allocated in the..
1843         function.
1844         (vect_transform_strided_load, vectorizable_load): Likewise.
1845         (vect_remove_stores): Simplify the code.
1846         (vect_transform_loop): Move code to vect_remove_stores().
1847         Call vect_remove_stores() and free_stmt_vec_info().
1848
1849 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1850
1851         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1852         TARGET_HPUX.  Revise comment.
1853         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1854         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1855         Use sr4 variant of `be' instruction when not generating PIC code.
1856         (attr_length_call): Adjust for above change.
1857
1858 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1859
1860         * ipa-reference.c (static_execute): Remove module_statics_const and
1861         associated setting code.
1862
1863 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1864
1865         PR target/35540
1866         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1867         predicate for operand 1.
1868         (paritysi2_cmp): Use register_operand predicate for operand 2.
1869         Use earlyclobber modifier for operand 1.  Remove support for
1870         memory operands.
1871         (paritydi2_cmp): Use register_operand predicate for operand 3.
1872         Use earlyclobber modifier for operand 1.  Remove support for
1873         memory operands.
1874
1875 2008-03-11  Paul Brook  <paul@codesourcery.com>
1876             Vladimir Prus  <vladimir@codesourcery.com>
1877
1878         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1879         (arm_compute_save_reg0_reg12_mask): Always
1880         check if register 11 must be saved.  Always safe hard frame pointer
1881         when frame_pointer_needeed.
1882         (arm_compute_save_reg_mask): Save IP and PC
1883         only with apcs frames.
1884         (arm_output_epilogue): Adjust Thumb2 codepath to
1885         be also invoked and work for ARM non-apcs frames.
1886         (arm_expand_prologue): Don't bother saving IP
1887         for non-apcs frame, since it's not clobbered by
1888         prologue code.  Implement non-apcs frame
1889         layout.
1890
1891 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1892
1893         PR rtl-optimization/35281
1894         * expr.c (convert_move): Use a new pseudo for the intermediate
1895         from_mode->word_mode result.
1896
1897 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1898
1899         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1900         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1901         * toplev.c (compile_file): Don't call it.
1902
1903 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1904
1905         PR middle-end/35526
1906         * expr.c (store_expr): Call emit_block_move if the mode
1907         of "temp" RTX is BLKmode.
1908
1909 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1910             Richard Guenther  <rguenther@suse.de>
1911
1912         PR tree-optimization/31358
1913         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1914         the step with a NULL_TREE.
1915         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1916         to sizetype if type is a pointer type.
1917         (add_candidate_1): Don't convert the base and step to
1918         the generic type if the orginal type is a pointer type.
1919         (add_iv_value_candidates): Use sizetype for the step
1920         if type is a pointer type.
1921         (cand_value_at): Likewise.
1922         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1923         for pointer types.
1924         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1925         Don't convert the tem affine to the type.
1926         (add_elt_to_tree): Use sizetype for the step if a pointer.
1927         Use POINTER_PLUS_EXPR for pointers.
1928         (aff_combination_to_tree): Use sizetype for the step if a
1929         pointer.
1930
1931 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1932
1933         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1934         Remove commutativity hint.
1935
1936 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1937
1938         PR c/35438
1939         PR c/35439
1940         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1941         errorneous type.  Check that v is a VAR_DECL.
1942
1943         PR middle-end/35099
1944         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1945
1946 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1947
1948         PR tree-optimization/35494
1949         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1950         may be overriden at link and run time.
1951
1952 2008-03-10  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/34677
1955         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1956         (poolify_tree): Likewise.
1957         (modify_expr_template): Likewise.
1958         (poolify_modify_stmt): Likewise.
1959         (insert_fake_stores): Handle all component-ref style stores
1960         in addition to INDIRECT_REF.  Also handle complex types.
1961         Do not poolify the inserted load.
1962         (realify_fake_stores): Do not rebuild the tree but only
1963         make it a SSA_NAME copy.
1964         (init_pre): Remove initialzation of modify_expr_template.
1965         Do not allocate modify_expr_node_pool.
1966         (fini_pre): Do not free modify_expr_node_pool.
1967
1968 2008-03-10  Paul Brook  <paul@codesourcery.com>
1969
1970         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1971         to avoid conflicts.
1972
1973 2008-03-10  Paul Brook  <paul@codesourcery.com>
1974             Mark Shinwell  <shinwell@codesourcery.com>
1975
1976         * config/arm/cortex-r4.md: New.
1977         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1978         insn attributes.
1979         * config/arm/arm.md: Include cortex-r4.md.
1980         (insn): Add smmls, sdiv and udiv values.
1981         (generic_sched): Don't use generic scheduling for Cortex-R4.
1982         (arm_issue_rate): New function.
1983         (TARGET_SCHED_ISSUE_RATE): Define.
1984
1985 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1986
1987         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1988
1989 2008-03-10  Richard Guenther  <rguenther@suse.de>
1990
1991         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1992         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1993
1994 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1995
1996         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1997         Set default to true.
1998
1999 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2000
2001         * c.opt (Wsynth): Deprecate.
2002         * doc/invoke.texi (Option Summary, Warning Options): Document
2003         -Wno-format-contains-nul.
2004
2005 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2006
2007         PR target/35496
2008         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2009         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2010
2011 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2012
2013         * config/rs6000/rs6000.c (builtin_description): Rename vector
2014         left shift operations.
2015         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2016         (altivec_vsl<VI_char>): Rename to ...
2017         (ashl<mode>3): ... new name.
2018         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2019         gen_ashlv4si3.
2020         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2021
2022 2008-03-08  Richard Guenther  <rguenther@suse.de>
2023
2024         * coverage.h (tree_coverage_counter_addr): Declare.
2025         * coverage.c (tree_coverage_counter_addr): New function.
2026         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2027         before using again.
2028         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2029         (tree_gen_one_value_profiler): Likewise.
2030         (tree_gen_ic_profiler): Likewise.
2031         (tree_gen_average_profiler): Likewise.
2032         (tree_gen_ior_profiler): Likewise.
2033
2034 2008-03-08  Richard Guenther  <rguenther@suse.de>
2035
2036         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2037         (vn_binary_op_insert): Likewise.
2038         (vn_unary_op_lookup): Likewise.
2039         (vn_unary_op_insert): Likewise.
2040         (vn_nary_op_lookup): Declare.
2041         (vn_nary_op_insert): Likewise.
2042         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2043         and binary hashes, use a single obstack for unary_op_pool
2044         and binary_op_pool.
2045         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2046         a single struct vn_nary_op_s.  Store tree code length and
2047         a variable number of operands.
2048         (struct vn_reference_op_struct): Remove unused op2.
2049         (vn_reference_op_eq): Do not compare op2.
2050         (vn_reference_op_compute_hash): Do not compute hash of op2.
2051         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2052         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2053         with vn_nary_op_compute_hash.
2054         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2055         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2056         vn_nary_op_lookup.
2057         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2058         vn_nary_op_insert.
2059         (visit_unary_op): Call nary functions.
2060         (visit_binary_op): Likewise.
2061         (process_scc): Adjust for struct vn_tables_s changes.
2062         (allocate_vn_table): Likewise.
2063         (free_vn_table): Likewise.
2064         * tree-vn.c (vn_add): Call nary functions.
2065         (vn_lookup): Likewise.
2066
2067 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2068
2069         PR target/35498
2070         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2071         wdst back after sync_compare_and_swapqhi_internal.
2072
2073 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2074
2075         PR target/22152
2076         * config/i386/i386-modes.def (V1DI): New vector mode.
2077         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2078         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2079         (MMXMODE248): Ditto.
2080         (MMXMODE): Add V1DI mode.
2081         (mmxvecsize): Change DI mode to V1DI mode.
2082         ("mov<mode>): Use MMXMODEI8 mode iterator.
2083         ("*mov<mode>_internal_rex64"): Ditto.
2084         ("*mov<mode>_internal"): Ditto.
2085         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2086         ("mmx_sub<mode>3"): Ditto.
2087         ("mmx_adddi3"): Remove insn pattern.
2088         ("mmx_subdi3"): Ditto.
2089         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2090         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2091         ("mmx_ashl<mode>3"): Ditto.
2092         ("mmx_lshrdi3"): Remove insn pattern.
2093         ("mmx_ashldi3"): Ditto.
2094         * config/i386/i386.c (classify_argument): Handle V1DImode.
2095         (function_arg_advance_32): Ditto.
2096         (function_arg_32): Ditto.
2097         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2098         mmx_addv1di3 insn pattern.
2099         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2100         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2101         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2102         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2103         Remove definitions of built-in functions.
2104         (V1DI_type_node): New node.
2105         (v1di_ftype_v1di_int): Ditto.
2106         (v1di_ftype_v1di_v1di): Ditto.
2107         (v2si_ftype_v2si_si): Ditto.
2108         (v4hi_ftype_v4hi_di): Remove node.
2109         (v2si_ftype_v2si_di): Ditto.
2110         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2111         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2112         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2113         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2114         Add new builtins using def_builtin_const.
2115         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2116         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2117         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2118         * config/i386/mmintrin.h (__v1di): New typedef.
2119         (_mm_add_si64): Cast arguments to __v1di type.
2120         (_mm_sub_si64): Ditto.
2121         (_mm_sll_pi16): Cast __count to __v4hi type.
2122         (_mm_sll_pi32): Cast __count to __v2si type.
2123         (_mm_sll_si64): Cast arguments to __v1di type.
2124         (_mm_srl_pi16): Cast __count to __v4hi type.
2125         (_mm_srl_pi32): Cast __count to __v2si type.
2126         (_mm_srl_si64): Cast arguments to __v1di type.
2127         (_mm_sra_pi16): Cast __count to __v4hi type.
2128         (_mm_sra_pi32): Cast __count to __v2si type.
2129         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2130         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2131         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2132         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2133         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2134         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2135         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2136         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2137         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2138         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2139         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2140         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2141
2142 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2143
2144         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2145
2146 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2147
2148         PR target/35373
2149         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2150         reg+const addressing for Altivec modes.  Don't generate reg+reg
2151         addressing for TFmode or TDmode quantities.
2152
2153 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2154
2155         * c-common.c (vector_types_convertible_p): Call langhook
2156         instead of comptypes.
2157
2158 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2159
2160         PR tree-opt/35402
2161         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2162         integral and scalar float variables which have a
2163         NULL DECL_INITIAL.
2164
2165 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2166
2167         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2168         dwarf_register_span hook when emitting unwind information for
2169         register-to-memory saves.
2170         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2171         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2172
2173 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2174
2175         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2176         for the same VAR_DECL.
2177
2178 2008-03-06  Tom Tromey  <tromey@redhat.com>
2179
2180         * treelang: Delete.
2181         * doc/standards.texi (Standards): Don't mention treelang.
2182         * doc/invoke.texi (Overall Options): Don't mention treelang.
2183         * doc/install.texi (Prerequisites): Don't mention bison or
2184         treelang.
2185         (Configuration): Don't mention treelang.
2186         (Building): Likewise.
2187         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2188
2189 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2190
2191         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2192         word-extractions out of a multi-word object.
2193
2194 2008-03-06  Richard Guenther  <rguenther@suse.de>
2195
2196         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2197         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2198         result type and precision.
2199         * expr.c (get_inner_reference): Set unsignedp based on the result
2200         type of BIT_FIELD_REF.
2201         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2202         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2203         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2204         for BIT_FIELD_REF.
2205         (sra_build_assignment): Likewise.
2206         (sra_build_elt_assignment): Likewise.
2207         (sra_explode_bitfield_assignment): Likewise.
2208         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2209         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2210         set BIT_FIELD_REF_UNSIGNED.
2211         (vectorizable_load): Likewise.
2212
2213 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2214
2215         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2216         at bb start.
2217
2218 2008-03-06  Richard Guenther  <rguenther@suse.de>
2219
2220         * alias.c (struct alias_set_entry): Move has_zero_child field
2221         to pack with alias_set.
2222
2223 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2224
2225         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2226         32bit host.
2227
2228 2008-03-05  Ian Lance Taylor  <iant@google.com>
2229
2230         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2231
2232 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2233
2234         * fwprop.c (update_df): Support width and offset parameters of
2235         df_ref_create.
2236         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2237         global_conflicts): Change DF_REF_EXTRACT to either
2238         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2239         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2240         * df-scan.c (df_ref_record, df_defs_record,
2241         df_ref_create_structure, df_def_record_1, df_uses_record,
2242         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2243         df_bb_refs_collect, df_entry_block_defs_collect,
2244         df_exit_block_uses_collect): Support new width and offset fields.
2245         (ref_extract_pool): New storage pool.
2246         (df_free_ref): New function.
2247         (df_reg_chain_unlink, df_free_collection_rec,
2248         df_sort_and_compress_refs): Call df_free_ref.
2249         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2250         of df_ref_extract.
2251         (df_ref_create_structure): Allocate df_ref_extract if offset and
2252         width fields are used.
2253         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2254         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2255         and SIGN_EXTRACT.
2256         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2257         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2258         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2259         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2260         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2261         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2262         (df_ref_extract): New structure.
2263         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2264         (df_ref_create): Add width and offset parameters.
2265         
2266 2008-03-05  Richard Guenther  <rguenther@suse.de>
2267
2268         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2269         Use ranges_overlap_p.
2270         (offset_overlaps_with_access): Rename
2271         to ranges_overlap_p and move ...
2272         * tree-flow-inline.h (ranges_overlap_p): ... here.
2273
2274         * tree.h (get_inner_reference, handled_component_p): Update
2275         comments.
2276
2277         * tree.h (record_component_aliases, get_alias_set,
2278         alias_sets_conflict_p, alias_sets_must_conflict_p,
2279         objects_must_conflict_p): Move declarations ...
2280         * alias.h (record_component_aliases, get_alias_set,
2281         alias_sets_conflict_p, alias_sets_must_conflict_p,
2282         objects_must_conflict_p): ... here.
2283         Include coretypes.h.
2284         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2285
2286 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2287
2288         * cfg.c: Include tree-flow.h.
2289         (remove_edge_raw): Call redirect_edge_var_map_clear.
2290         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2291         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2292         (redirect_edge_var_map_result): New.
2293         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2294         PENDING_STMT use with redirect_edge_var_map_*.
2295         * tree-ssa.c (edge_var_maps): New definition.
2296         (redirect_edge_var_map_add): New.
2297         (redirect_edge_var_map_clear): New.
2298         (redirect_edge_var_map_dup): New.
2299         (redirect_edge_var_map_vector): New.
2300         (redirect_edge_var_map_destroy): New.
2301         (ssa_redirect_edge): Replace PENDING_STMT use with
2302         redirect_edge_var_map_*.
2303         (flush_pending_stmts): Same.
2304         (delete_tree_ssa): Destroy edge var map.
2305         * tree-flow.h (struct _edge_var_map): New.
2306         Define edge_var_map vector type.
2307         Declare redirect_edge_var_map_* prototypes.
2308         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2309         * tree-cfg.c (reinstall_phi_args): Replace
2310         PENDING_STMT use with redirect_edge_var_map_*.
2311
2312 2008-03-05  Richard Guenther  <rguenther@suse.de>
2313
2314         PR tree-optimization/35472
2315         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2316         whose single use_stmt has a overlapping set of loaded and
2317         stored symbols as that use_stmt might be a noop assignment then.
2318
2319 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2320
2321         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2322
2323 2008-03-05  Richard Guenther  <rguenther@suse.de>
2324
2325         PR c++/35336
2326         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2327         should be constants.
2328         * tree-cfg.c (verify_expr): Verify it.
2329         * fold-const.c (fold_truthop): Remove code generating
2330         BIT_FIELD_REFs of structure bases.
2331         (fold_binary): Likewise.
2332         (fold_ternary): Position and size of BIT_FIELD_REFs are
2333         always host integers.
2334         (make_bit_field_ref): Remove.
2335         (optimize_bit_field_compare): Remove.
2336         (all_ones_mask_p): Remove.
2337
2338 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2339
2340         PR gcc/33009
2341         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2342         (split_block_and_df_analyze): New. Split basic block and rebuild
2343         dataflow.
2344         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2345         SPLIT_BLOCK.
2346         (split_pattern_seq): Likewise.
2347         (erase_matching_seqs): Likewise.
2348         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2349
2350 2008-03-04  Geoff Keating  <geoffk@apple.com>
2351
2352         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2353         declaration and code.
2354         (tree_invalid_nonnegative_warnv_p): Likewise.
2355
2356 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2357
2358         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2359         examples.  Truncate option-names then causing overfull hbox.
2360
2361 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2362
2363         PR target/35222
2364         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2365         on hpux10.
2366         * configure: Rebuilt.
2367
2368 2008-03-04  Rafael Espindola  <espindola@google.com>
2369
2370         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2371         (tree_unary_nonnegative_warnv_p): New.
2372         (tree_binary_nonnegative_warnv_p): New.
2373         (tree_single_nonnegative_warnv_p): New.
2374         (tree_invalid_nonnegative_warnv_p): New.
2375         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2376
2377 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2378
2379         PR 28322
2380         * opts.c (handle_option): Postpone 'unknown option' errors only for
2381         warning options.
2382
2383 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2384
2385         PR target/35453
2386         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2387         (_SIDD_XXX): This.
2388
2389 2008-03-04  Rafael Espindola  <espindola@google.com>
2390
2391         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2392         (tree_binary_nonzero_warnv_p): New.
2393         (tree_single_nonzero_warnv_p): New.
2394         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2395
2396 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2397
2398         PR middle-end/35456
2399         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2400         transformations for modes that have signed zeros.
2401         * ifcvt.c (noce_try_abs): Ditto.
2402
2403 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2404
2405         * config/i386/i386.c (override_options): Force
2406         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2407
2408 2008-03-04  Jan Hubicka  <jh@suse.cz>
2409
2410         PR c++/35262
2411         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2412         in last commit.
2413
2414 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2415
2416         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2417         label to probe the stack.
2418
2419 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2420
2421         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2422         (__gthr_win32_mutex_destroy): Declare.
2423         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2424         __gthr_win32_mutex_destroy.
2425         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2426
2427 2008-03-03  Jan Hubicka  <jh@suse.cz>
2428
2429         PR c++/35262
2430         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2431         aggressive on inlining cold calls.
2432
2433 2008-03-03  Richard Guenther  <rguenther@suse.de>
2434
2435         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2436         struct copies into the expression table.
2437         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2438         (try_to_simplify): Likewise.
2439         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2440         integral and pointer arguments which do not change the
2441         precision to NOP_EXPRs.
2442         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2443         VIEW_CONVERT_EXPR case.
2444
2445 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2446
2447         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2448         defined in a loop at depth 0 is invariant.
2449         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2450         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2451         be called at loop depth 0.
2452
2453 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2454
2455         PR driver/35420
2456         * gcc.c (process_command): Update copyright notice dates.
2457         * gcov.c (print_version): Likewise.
2458         * gcov-dump.c (print_version): Likewise.
2459         * mips-tfile.c (main): Likewise.
2460         * mips-tdump.c (main): Likewise.
2461
2462 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2463
2464         PR 24924
2465         * c-common.c (flag_permissive): Delete.
2466         (constant_expression_warnings): Check flags first.
2467         (constant_expression_error): New.
2468         * c-common.h (flag_permissive): Delete.
2469         (constant_expression_error): Declare.
2470         * flags.h (flag_permissive): Declare. Update description.
2471         * diagnostic.c (pedwarn): Update.
2472         (permerror): New.
2473         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2474         (permissive_error_kind): New.
2475         * toplev.c (flag_permissive): Define. Update description.
2476         * toplev.h (permissive_error_kind): Declare.
2477         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2478         (pedwarn_c90): Use pedantic_warning_kind.
2479         * c-opts.c (c_common_post_options): flag_permissive does not affect
2480         flag_pedantic_errors.
2481
2482 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2483
2484         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2485         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2486         __absvsi2, __absvDI2): Use unsigned arithmetic.
2487
2488 2008-03-02  Andi Kleen  <ak@suse.de>
2489             Richard Guenther  <rguenther@suse.de>
2490
2491         * struct-equiv.c: Remove file.
2492         * cfg_cleanup.c (condjump_equiv_p): Remove.
2493         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2494         (struct-equiv.o): Remove rule.
2495         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2496         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2497         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2498
2499 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2500
2501         * ifcvt.c (noce_process_if_block): Try to handle only the then
2502         block if the else block exists but isn't suitable.
2503
2504 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2505
2506         PR gcc/35063
2507         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2508         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2509         regression from previous patch.
2510
2511 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2512
2513         PR gcc/35063
2514         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2515         implemented.
2516         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2517         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2518         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2519         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2520         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2521         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2522         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2523         (__gthread_mutex_destroy_function): Rename to
2524         __gthread_mutex_destroy.
2525         * gthr-dce.h (__gthread_mutex_destroy): Call
2526         pthread_mutex_destroy.
2527         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2528         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2529         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2530
2531 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2532
2533         * df-scan.c (df_ref_chain_change_bb): Simplify.
2534         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2535         set_block_for_insn if there's any change.
2536         * df.h ((df_insn_change_bb): Fix prototype.
2537         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2538         df_insn_change_bb, don't call set_block_for_insn.
2539         * emit-rtl.c (reorder_insns): Likewise.
2540         * haifa-sched.c (move_insn): Likewise.
2541
2542 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2543
2544         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2545
2546 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2547
2548         * tree-flow-inline.h (next_readonly_imm_use): Return
2549         NULL_USE_OPERAND_P after the end.
2550
2551 2008-03-01  Richard Guenther  <rguenther@suse.de>
2552
2553         PR tree-optimization/35411
2554         * tree-sra.c (sra_build_assignment): Split conversion to
2555         final type to a separate statement if we are not assigning
2556         to a register.
2557
2558 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2559
2560         * fold-const.c (fold_convertible_p): Correct the logic to follow
2561         that in fold_convert().
2562
2563 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2564
2565         PR c++/35315
2566         * tree-inline.c (build_duplicate_type): When we make a
2567         duplicate type, make it unique in the canonical types system.
2568
2569 2008-02-29  Tom Tromey  <tromey@redhat.com>
2570
2571         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2572         input_file_stack_history, input_file_stack_restored): Remove.
2573         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2574         * input.h (struct file_stack): Remove.
2575         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2576         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2577         Likewise.
2578         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2579         type.
2580         (diagnostic_last_module_changed): Add 'map' argument.
2581         (diagnostic_set_last_function): Likewise.
2582         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2583         line map, not input_file_stack.
2584         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2585
2586 2008-02-29  Paul Brook  <paul@codesourcery.com>
2587
2588         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2589
2590 2008-02-29  Paul Brook  <paul@codesourcery.com>
2591
2592         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2593
2594 2008-02-29  Richard Guenther  <rguenther@suse.de>
2595
2596         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2597         vn_lookup_or_add.
2598         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2599         value for comparing for a store match.
2600         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2601         (try_to_simplify): Do not do a full-blown reference lookup.
2602
2603 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2604
2605         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2606         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2607
2608         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2609
2610 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2613         strides against cache sizes.
2614
2615 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2616
2617         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2618         constant to fpul.
2619
2620 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2621
2622         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2623         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2624         is smaller than the original promoted value.
2625         (simplify_subreg): If OP is a SUBREG, try to preserve its
2626         SUBREG_PROMOTED_VAR_P information.
2627
2628 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2629
2630         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2631         (VN_INFO_GET): Allocate new objects on the obstack.
2632         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2633         for rpo_numbers_temp, for consistency.
2634         (free_scc_vn): Free the obstack.
2635
2636 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2637
2638         * doc/invoke.texi: Document -ftree-loop-distribution.
2639         * tree-loop-distribution.c: New.
2640         * tree-pass.h (pass_loop_distribution): New.
2641         * graphds.h (struct graph): Add htab_t indices.
2642         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2643         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2644         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2645         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2646         * tree-data-ref.c (debug_data_dependence_relations): New.
2647         (dump_data_dependence_relation): Also print data references.
2648         (free_data_ref): Extern.
2649         (same_access_functions): Moved...
2650         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2651         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2652         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2653         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2654         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2655         (stmts_from_loop): Skip LABEL_EXPR.
2656         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2657         New.
2658         (build_rdg): Initialize rdg->indices htab.
2659         (free_rdg, stores_from_loop, ref_base_address,
2660         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2661         have_similar_memory_accesses_1, ref_base_address_1,
2662         remove_similar_memory_refs): New.
2663         * tree-data-ref.h: Depend on tree-chrec.h.
2664         (debug_data_dependence_relations, free_data_ref): Declared.
2665         (same_access_functions): ... here.
2666         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2667         New.
2668         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2669         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2670         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2671         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2672         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2673         rdg_vertex_for_stmt): Declared.
2674         (struct rdg_edge): Add level.
2675         (RDGE_LEVEL): New.
2676         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2677         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2678         Declared.
2679         (rdg_has_similar_memory_accesses): New.
2680         * tree-vect-analyze.c: Remove unused static decls.
2681         * lambda.h (dependence_level): New.
2682         * common.opt (ftree-loop-distribution): New.
2683         * tree-flow.h (mark_virtual_ops_in_bb, 
2684         slpeel_tree_duplicate_loop_to_edge_cfg,
2685         rename_variables_in_loop): Declared.
2686         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2687         (OBJS-common): Add tree-loop-distribution.o.
2688         (tree-loop-distribution.o): New rule.
2689         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2690         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2691         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2692
2693 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2694
2695         PR target/33963
2696         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2697         other than structures and unions.
2698
2699 2008-02-28  Richard Guenther  <rguenther@suse.de>
2700
2701         Revert:
2702         2008-02-26  Richard Guenther  <rguenther@suse.de>
2703
2704         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2705         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2706         (lookup_decl_from_uid): Declare.
2707         (remove_decl_from_map): Likewise.
2708         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2709         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2710         (decl_for_uid_map): New global hashtable mapping DECL_UID
2711         to the decl tree.
2712         (init_ttree): Allocate it.
2713         (insert_decl_to_uid_decl_map): New helper function.
2714         (make_node_stat): Insert new decls into the map.
2715         (copy_node_stat): Likewise.
2716         (lookup_decl_from_uid): New function.
2717         (remove_decl_from_map): Likewise.
2718         (print_decl_for_uid_map_statistics): New helper.
2719         (dump_tree_statistics): Call it.
2720
2721         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2722         (referenced_var_iterator): Adjust.
2723         (FOR_EACH_REFERENCED_VAR): Adjust.
2724         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2725         (num_referenced_vars): Adjust.
2726         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2727         (first_referenced_var): Remove.
2728         (end_referenced_vars_p): Likewise.
2729         (next_referenced_var): Likewise.
2730         (referenced_var_iterator_set): New helper function.
2731         * tree-dfa.c (referenced_var_lookup): Adjust.
2732         (referenced_var_check_and_insert): Likewise.
2733         (remove_referenced_var): Likewise.
2734         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2735         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2736         (verify_call_clobbering): Likewise.
2737         (verify_memory_partitions): Likewise.
2738         (init_tree_ssa): Allocate bitmap instead of hashtable for
2739         referenced_vars.
2740         (delete_tree_ssa): Adjust.
2741         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2742         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2743         (compute_tag_properties): Likewise.
2744         (set_initial_properties): Likewise.
2745         (find_partition_for): Likewise.
2746         (update_reference_counts): Likewise.
2747         (dump_may_aliases_for): Likewise.
2748         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2749         (add_call_clobber_ops): Likewise.
2750         (add_call_read_ops): Likewise.
2751         (get_asm_expr_operands): Likewise.
2752         * tree-into-ssa.c (dump_decl_set): Likewise.
2753         (update_ssa): Likewise.
2754         * tree-sra.c (scan_function): Likewise.
2755         (decide_instantiations): Likewise.
2756         (scalarize_parms): Likewise.
2757         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2758         (dsa_named_for): Likewise.
2759         * tree-ssa-structalias.c (update_alias_info): Likewise.
2760         (merge_smts_into): Likewise.
2761
2762 2008-02-27  David Daney  <ddaney@avtrex.com>
2763
2764         PR target/34409
2765         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2766         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2767         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2768         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2769         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2770
2771 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2772
2773         PR target/25477
2774         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2775         (BUILT_IN_NEXTTOWARD): Remove.
2776         (BUILT_IN_NEXTTOWARDF): Ditto.
2777         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2778         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2779
2780 2008-02-27  Tom Tromey  <tromey@redhat.com>
2781
2782         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2783         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2784
2785 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2786
2787         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2788         update the respective field on newdecl.
2789
2790 2008-02-27  Revital Eres  <eres@il.ibm.com>
2791
2792         PR rtl-optimization/34999
2793         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2794         crossing edges that ends with a call insn.
2795         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2796         call insn and clear the EDGE_CROSSING flag of the crossing edge
2797         when fixing fallthru edges.
2798
2799 2008-02-27  Richard Guenther  <rguenther@suse.de>
2800
2801         PR middle-end/35390
2802         * fold-const.c (fold_unary): Return the correct argument,
2803         converted to the result type.
2804
2805 2008-02-27  Richard Guenther  <rguenther@suse.de>
2806
2807         PR middle-end/34971
2808         * expr.c (expand_expr_real_1): Assert on rotates that operate
2809         on partial modes.
2810         * fold-const.c (fold_binary): Use the types precision, not the
2811         bitsize of the mode if folding rotate expressions.  Build rotates
2812         only for full modes.
2813
2814 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2815
2816         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2817         and CPP_PRAGMA_EOL.
2818         * c-pragma.c (pragma_ns_name): New typedef.
2819         (registered_pp_pragmas): New variable.
2820         (c_pp_lookup_pragma): New function.
2821         (c_register_pragma_1): If flag_preprocess_only, do nothing
2822         for non-expanded pragmas, for expanded ones push pragma's
2823         namespace and name into registered_pp_pragmas vector.
2824         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2825         flag_preprocess_only, don't register GCC pch_preprocess
2826         pragma if flag_preprocess_only.
2827         * c-opts.c (c_common_init): Call init_pragma even if
2828         flag_preprocess_only.
2829         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2830         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2831         cpp_register_pragma if flag_preprocess_only.
2832
2833 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2834
2835         PR c/28800
2836         * c-parser.c (c_parser_translation_unit): Warn for empty
2837         translation unit, not empty source file.
2838
2839 2008-02-26  Paul Brook  <paul@codesourcery.com>
2840
2841         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2842         operand for Thumb-2.
2843         * config/arm/arm.h (reg_class): Add CORE_REGS.
2844         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2845         (BASE_REG_CLASS): Use CORE_REGS.
2846         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2847         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2848         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2849         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2850         ARM_REGNO_OK_FOR_INDEX_P.
2851         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2852         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2853         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2854         (ldm/stm peepholes): Ditto.
2855         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2856         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2857         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2858         * config/arm/constraints.md: Enable "k" constraint on ARM.
2859
2860 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2861
2862         * config/rs6000/rs6000.c: Annotate cache line size field in all
2863         instances of struct processor_costs.
2864
2865 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2866
2867         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2868         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2869         jump_bypass): New counters.
2870         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2871         * dce.c (gate_ud_dce): Same.
2872         (gate_fast_dce): Same.
2873         * dse.c (gate_dse1): New function.
2874         (gate_dse2): New function.
2875         (gate_dse): Merge results of new gate functions.
2876         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2877         (gate_handle_jump_bypass): Add dbg_cnt.
2878         (gate_handle_gcse): Add dbg_cnt.
2879         * ifcvt.c (gate_handle_if_conversion): Same.
2880         (gate_handle_if_after_combine): Same.
2881         (gate_handle_if_after_reload): Same.
2882         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2883
2884 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2885
2886         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2887         line sizes.
2888         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2889
2890 2008-02-26  Jason Merrill  <jason@redhat.com>
2891
2892         PR c++/35315
2893         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2894         alone if it's the naming decl for the type's main variant.
2895
2896 2008-02-26  Tom Tromey  <tromey@redhat.com>
2897
2898         * system.h (USE_MAPPED_LOCATION): Poison.
2899         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2900         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2901         (make_goto_expr_edges): Likewise.
2902         (remove_bb): Likewise.
2903         (execute_warn_function_return): Likewise.
2904         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2905         location_t.
2906         * c-common.c (fname_decl): Remove old location code.
2907         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2908         location code.
2909         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2910         variant.
2911         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2912         (gen_rtx_ASM_INPUT): Likewise.
2913         (gen_rtx_ASM_INPUT_loc): Likewise.
2914         (get_rtx_asm_OPERANDS): Remove.
2915         * cfglayout.c (insn_locators_alloc): Remove old location code.
2916         (set_curr_insn_source_location): Likewise.
2917         (curr_insn_locator): Likewise.
2918         * print-tree.c (print_node): Remove old location code.
2919         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2920         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2921         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2922         location_from_locus.
2923         (construct_exit_block): Remove old location code.
2924         * emit-rtl.c (force_next_line_note): Remove old location code.
2925         * profile.c (branch_prob): Remove old location code.
2926         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2927         LOC_LINE): Remove old-location variants.
2928         * langhooks.c (lhd_print_error_function): Remove old location
2929         code.
2930         * configure, config.in: Rebuilt.
2931         * configure.ac (--enable-mapped-location): Remove.
2932         * c-decl.c (c_init_decl_processing): Remove old location code.
2933         (finish_function): Likewise.
2934         * recog.c (decode_asm_operands): Remove old location code.
2935         * c-pch.c (c_common_read_pch): Remove old location code.
2936         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2937         variants.
2938         * gimple-low.c (lower_function_body): Remove old location code.
2939         * toplev.c (unknown_location): Remove.
2940         (push_srcloc): Remove old-location variant.
2941         (process_options): Remove old location code.
2942         (lang_dependent_init): Likewise.
2943         * input.h (UNKNOWN_LOCATION): Move definition.
2944         (location_t): Undeprecate.
2945         (source_locus): Remove.
2946         (location_from_locus): Remove.
2947         (struct location_s): Remove.
2948         Remove all old-location code.
2949         (input_line, input_filename): Remove.
2950         * final.c (final_scan_insn): Remove old location code.
2951         * diagnostic.c (diagnostic_build_prefix): Remove
2952         USE_MAPPED_LOCATION test.
2953         * tree.h (gimple_stmt) <locus>: Now a location_t.
2954         (tree_exp) <locus>: Likewise.
2955         (DECL_IS_BUILTIN): Remove old-location variant.
2956         (annotate_with_file_line, annotate_with_locus): Likewise.
2957         (expr_locus, set_expr_locus): Update.
2958         * tree.c (build1_stat): Remove old location code.
2959         (last_annotated_node): Remove.
2960         (annotate_with_file_line): Remove old-location variant.
2961         (annotate_with_locus): Likewise.
2962         (expr_location): Remove old location code.
2963         (set_expr_location): Likewise.
2964         (expr_has_location): Likewise.
2965         (expr_locus): Likewise.
2966         (set_expr_locus): Likewise.
2967         (expr_filename): Don't use location_from_locus.
2968         (expr_lineno): Likewise.
2969         * rtl-error.c (location_for_asm): Remove old location code.
2970         * c-lex.c (cb_line_change): Remove old location code.
2971         (fe_file_change): Likewise.
2972         (cb_def_pragma): Likewise.
2973         (c_lex_with_flags): Likewise.
2974         * gengtype.c (do_typedef): Don't special-case location types.
2975         (define_location_structures): Remove.
2976         (main): Don't call define_location_structures.
2977         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2978         code.
2979
2980 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2981
2982         PR 26264
2983         * builtins.def (BUILT_IN_STDARG_START): Remove.
2984         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2985         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2986         * tree-inline.c (inline_forbidden_p_1): Likewise.
2987         
2988 2008-02-26  Richard Guenther  <rguenther@suse.de>
2989
2990         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2991         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2992         (lookup_decl_from_uid): Declare.
2993         (remove_decl_from_map): Likewise.
2994         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2995         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2996         (decl_for_uid_map): New global hashtable mapping DECL_UID
2997         to the decl tree.
2998         (init_ttree): Allocate it.
2999         (insert_decl_to_uid_decl_map): New helper function.
3000         (make_node_stat): Insert new decls into the map.
3001         (copy_node_stat): Likewise.
3002         (lookup_decl_from_uid): New function.
3003         (remove_decl_from_map): Likewise.
3004         (print_decl_for_uid_map_statistics): New helper.
3005         (dump_tree_statistics): Call it.
3006
3007         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3008         (referenced_var_iterator): Adjust.
3009         (FOR_EACH_REFERENCED_VAR): Adjust.
3010         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3011         (num_referenced_vars): Adjust.
3012         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3013         (first_referenced_var): Remove.
3014         (end_referenced_vars_p): Likewise.
3015         (next_referenced_var): Likewise.
3016         (referenced_var_iterator_set): New helper function.
3017         * tree-dfa.c (referenced_var_lookup): Adjust.
3018         (referenced_var_check_and_insert): Likewise.
3019         (remove_referenced_var): Likewise.
3020         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3021         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3022         (verify_call_clobbering): Likewise.
3023         (verify_memory_partitions): Likewise.
3024         (init_tree_ssa): Allocate bitmap instead of hashtable for
3025         referenced_vars.
3026         (delete_tree_ssa): Adjust.
3027         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3028         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3029         (compute_tag_properties): Likewise.
3030         (set_initial_properties): Likewise.
3031         (find_partition_for): Likewise.
3032         (update_reference_counts): Likewise.
3033         (dump_may_aliases_for): Likewise.
3034         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3035         (add_call_clobber_ops): Likewise.
3036         (add_call_read_ops): Likewise.
3037         (get_asm_expr_operands): Likewise.
3038         * tree-into-ssa.c (dump_decl_set): Likewise.
3039         (update_ssa): Likewise.
3040         * tree-sra.c (scan_function): Likewise.
3041         (decide_instantiations): Likewise.
3042         (scalarize_parms): Likewise.
3043         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3044         (dsa_named_for): Likewise.
3045         * tree-ssa-structalias.c (update_alias_info): Likewise.
3046         (merge_smts_into): Likewise.
3047
3048 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3049
3050         PR 34351
3051         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3052         * c-opts.c (c_common_handle_option): Wall enables
3053         Wvolatile-register-var.
3054         * common.opt: Move Wvolatile-register-var to...
3055         * c.opt: ...here.
3056         
3057 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3058
3059         * common.opt (Wlarger-than=): New.
3060         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3061         -Wlarger-than=.
3062         * opts.c (common_handle_option): Handle -Wlarger-than=.
3063         * optc-gen.awk: Likewise.
3064         * opth-gen.awk: Likewise.
3065         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3066         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3067         
3068 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3069
3070         * c-common.c (match_case_to_enum_1): Add appropriate
3071         OPT_W* parameter to warning.
3072         (c_do_switch_warnings): Likewise.
3073         * c-typeck.c (warning_init): Add one more parameter following
3074         'warning' function.
3075         (push_init_level): Update call to warning_init.
3076         (pop_init_level): Likewise.
3077         (add_pending_init): Likewise.
3078         (output_init_element: Likewise.
3079
3080 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3081
3082         PR 28322
3083         * toplev.c (toplev_main): If there are warnings or error, print
3084         errors for ignored options.
3085         * opts.c (ignored_options): New static variable.
3086         (postpone_unknown_option_error): New.
3087         (print_ignored_options): New.
3088         (handle_option): Postpone errors for unknown -Wno-* options.
3089         * opts.h (print_ignored_options): Declare.
3090         
3091 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3092
3093         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3094         to "ghost".
3095
3096 2008-02-25  Richard Guenther  <rguenther@suse.de>
3097
3098         Revert:
3099         2008-02-25  Richard Guenther  <rguenther@suse.de>
3100
3101         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3102         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3103         (lookup_decl_from_uid): Declare.
3104         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3105         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3106         (decl_for_uid_map): New global hashtable mapping DECL_UID
3107         to the decl tree.
3108         (init_ttree): Allocate it.
3109         (insert_decl_to_uid_decl_map): New helper function.
3110         (make_node_stat): Insert new decls into the map.
3111         (copy_node_stat): Likewise.
3112         (lookup_decl_from_uid): New function.
3113         (print_decl_for_uid_map_statistics): New helper.
3114         (dump_tree_statistics): Call it.
3115
3116         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3117         (referenced_var_iterator): Adjust.
3118         (FOR_EACH_REFERENCED_VAR): Adjust.
3119         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3120         (num_referenced_vars): Adjust.
3121         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3122         (first_referenced_var): Remove.
3123         (end_referenced_vars_p): Likewise.
3124         (next_referenced_var): Likewise.
3125         (referenced_var_iterator_set): New helper function.
3126         * tree-dfa.c (referenced_var_lookup): Adjust.
3127         (referenced_var_check_and_insert): Likewise.
3128         (remove_referenced_var): Likewise.
3129         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3130         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3131         (verify_call_clobbering): Likewise.
3132         (verify_memory_partitions): Likewise.
3133         (init_tree_ssa): Allocate bitmap instead of hashtable for
3134         referenced_vars.
3135         (delete_tree_ssa): Adjust.
3136         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3137         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3138         (compute_tag_properties): Likewise.
3139         (set_initial_properties): Likewise.
3140         (find_partition_for): Likewise.
3141         (update_reference_counts): Likewise.
3142         (dump_may_aliases_for): Likewise.
3143         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3144         (add_call_clobber_ops): Likewise.
3145         (add_call_read_ops): Likewise.
3146         (get_asm_expr_operands): Likewise.
3147         * tree-into-ssa.c (dump_decl_set): Likewise.
3148         (update_ssa): Likewise.
3149         * tree-sra.c (scan_function): Likewise.
3150         (decide_instantiations): Likewise.
3151         (scalarize_parms): Likewise.
3152         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3153         (dsa_named_for): Likewise.
3154         * tree-ssa-structalias.c (update_alias_info): Likewise.
3155         (merge_smts_into): Likewise.
3156
3157 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3158
3159         PR fortran/29549
3160         * doc/invoke.texi (-fcx-limited-range): Document new option.
3161         * toplev.c (process_options): Handle -fcx-fortran-rules.
3162         * common.opt: Add documentation for -fcx-fortran-rules.
3163
3164 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3165
3166         PR c/35162
3167         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3168         actual behaviour and C99.
3169         
3170 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3171
3172         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3173         (ASM_CPU_POWER6_SPEC): Likewise.
3174         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3175         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3176         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3177
3178 2008-02-25  Richard Guenther  <rguenther@suse.de>
3179
3180         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3181         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3182         (lookup_decl_from_uid): Declare.
3183         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3184         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3185         (decl_for_uid_map): New global hashtable mapping DECL_UID
3186         to the decl tree.
3187         (init_ttree): Allocate it.
3188         (insert_decl_to_uid_decl_map): New helper function.
3189         (make_node_stat): Insert new decls into the map.
3190         (copy_node_stat): Likewise.
3191         (lookup_decl_from_uid): New function.
3192         (print_decl_for_uid_map_statistics): New helper.
3193         (dump_tree_statistics): Call it.
3194
3195         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3196         (referenced_var_iterator): Adjust.
3197         (FOR_EACH_REFERENCED_VAR): Adjust.
3198         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3199         (num_referenced_vars): Adjust.
3200         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3201         (first_referenced_var): Remove.
3202         (end_referenced_vars_p): Likewise.
3203         (next_referenced_var): Likewise.
3204         (referenced_var_iterator_set): New helper function.
3205         * tree-dfa.c (referenced_var_lookup): Adjust.
3206         (referenced_var_check_and_insert): Likewise.
3207         (remove_referenced_var): Likewise.
3208         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3209         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3210         (verify_call_clobbering): Likewise.
3211         (verify_memory_partitions): Likewise.
3212         (init_tree_ssa): Allocate bitmap instead of hashtable for
3213         referenced_vars.
3214         (delete_tree_ssa): Adjust.
3215         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3216         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3217         (compute_tag_properties): Likewise.
3218         (set_initial_properties): Likewise.
3219         (find_partition_for): Likewise.
3220         (update_reference_counts): Likewise.
3221         (dump_may_aliases_for): Likewise.
3222         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3223         (add_call_clobber_ops): Likewise.
3224         (add_call_read_ops): Likewise.
3225         (get_asm_expr_operands): Likewise.
3226         * tree-into-ssa.c (dump_decl_set): Likewise.
3227         (update_ssa): Likewise.
3228         * tree-sra.c (scan_function): Likewise.
3229         (decide_instantiations): Likewise.
3230         (scalarize_parms): Likewise.
3231         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3232         (dsa_named_for): Likewise.
3233         * tree-ssa-structalias.c (update_alias_info): Likewise.
3234         (merge_smts_into): Likewise.
3235
3236 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3237
3238         PR target/35258
3239         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3240         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3241         * alias.h (nonoverlapping_memrefs_p): Likewise.
3242
3243 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3244
3245         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3246         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3247         __emultls_get_address, __emultls_register_common,
3248         __floatundi?f, and _Unwind_GetIPInfo.
3249         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3250         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3251         (gen_regparm_prefix): Likewise.
3252         (i386_nlm_encode_section_info): Sync with
3253         config/i386/winnt.c:i386_pe_encode_section_info().
3254         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3255         i386_nlm_mangle_decl_assembler_name): New.
3256         (netware_override_options): New.
3257         * config/i386/netware.h (netware_override_options): Declare.
3258         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3259         (i386_nlm_mangle_decl_assembler_name): Declare.
3260         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3261
3262 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3263
3264         PR other/32948
3265         * c-decl.c (grokdeclarator): Remove unused local variables
3266         `typedef_type' and `type_as_written'.
3267         * bb-reorder.c
3268         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3269         unused local variable `has_hot_blocks'.
3270         (fix_crossing_conditional_branches): Remove unused local variable
3271         `prev_bb'.
3272         
3273 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3274
3275         PR middle-end/19984
3276         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3277         using DEF_C99_BUILTIN.
3278         (BUILT_IN_NANF): Ditto.
3279         (BUILT_IN_NANL): Ditto.
3280
3281 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3282             Revital Eres  <eres@il.ibm.com>
3283
3284         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3285         regarding the order of two dependent insns in the same row.
3286
3287 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3288
3289         * stor-layout.c (layout_decl): Do not bump the alignment of a
3290         bit-field to more than byte alignment if it is packed.
3291
3292 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3293
3294         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3295         e300c2 and e300c3.
3296
3297 2008-02-24  Diego Novillo  <dnovillo@google.com>
3298
3299         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3300
3301         PR 33738
3302         * tree-vrp.c (vrp_evaluate_conditional): With
3303         -Wtype-limits, emit a warning when comparing against a
3304         constant outside the natural range of OP0's type.
3305         * c.opt (Wtype-limits): Move ...
3306         * common.opt (Wtype-limits): ... here.
3307
3308 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3309
3310         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3311         * config/rs6000/e300c2c3.md: New file.
3312         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3313         e300c2 and e300c3.
3314         (rs6000_override_options): Add e300c2 and e300c3 cases to
3315         processor_target_table. Do not allow usage of Altivec or Spe
3316         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3317         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3318         * config/rs6000/rs6000.h (processor_type): Add
3319         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3320         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3321         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3322         and ppce300c3. Include e300c2c3.md.
3323
3324 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3325
3326         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3327         instead of TARGET_STRICT_ALIGN.
3328
3329 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3330
3331         * explow.c (memory_address): Assert that the generated address is
3332         valid.
3333
3334 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3335
3336         PR target/25477
3337         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3338         * config/darwin-ppc-ldouble-patch.def: New file.
3339         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3340         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3341         SUBTARGET_INIT_BUILTINS if defined.
3342         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3343         New functions.
3344
3345 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3346
3347         PR rtl-opt/33512
3348         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3349         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3350
3351 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3352
3353         PR pch/35027
3354         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3355         file" warning condtional on -Winvalid-PCH.
3356
3357 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3358
3359         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3360
3361 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3362
3363         PR target/22076
3364         PR target/34256 
3365         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3366         prevent reload from using MMX registers.
3367         (*mov<mode>_internal): Ditto.
3368         (*movv2sf_internal_rex64): Ditto.
3369         (*movv2sf_internal): Ditto.
3370
3371 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3372
3373         PR documentation/31569
3374         * doc/install.texi2html: Use makeinfo --no-number-sections.
3375
3376 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3377
3378         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3379         ensure that we can address an entire entity > 8 bytes.  Don't
3380         generate reg+reg addressing for such data.
3381
3382 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3383
3384         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3385         strings when optimizing for size, unless the target cares about
3386         alignment.
3387
3388 2008-02-22  Tom Tromey  <tromey@redhat.com>
3389
3390         * regclass.c (current_pass): Remove declaration.
3391
3392 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3393
3394         * config/avr/libgcc.S (__RAMPZ__): Define.
3395         (__do_copy_data): Add for devices with 128KB code memory.
3396
3397 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3398
3399         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3400         Use spe_abi.
3401         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3402
3403 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3404
3405         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3406         GENNONACR_REGS.
3407
3408 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3409
3410         PR c/19999
3411         * c-typeck.c (build_binary_op): Warn about floating point
3412         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3413
3414 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3415
3416         PR target/34526
3417         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3418         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3419         add vrsave.
3420         (rs6000_override_options): Set altivec_abi as default, not override,
3421         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3422         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3423         is used; use new member spe_abi.
3424         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3425         spe_abi and altivec_abi.
3426
3427 2008-02-22  Tomas Bily  <tbily@suse.cz>
3428
3429         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3430
3431 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3432
3433         PR bootstrap/35273
3434         * config.build (build_file_translate): Set to `CMD //c' only if
3435         it works.
3436         * Makefile.in (build_file_translate): Improve comment.
3437
3438 2008-02-21  Jan Hubicka  <jh@suse.cz>
3439
3440         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3441         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3442         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3443
3444 2008-02-21  Michael Matz  <matz@suse.de>
3445
3446         PR target/35264
3447         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3448
3449 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3450
3451         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3452         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3453         as insn constraint.
3454         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3455         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3456         SSE_VEC_FLOAT_MODE_P as insn constraint.
3457         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3458         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3459         sse4a_movntdf using MODEF mode iterator.
3460         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3461         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3462         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3463         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3464         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3465         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3466         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3467
3468 2008-02-21  Richard Guenther  <rguenther@suse.de>
3469
3470         * tree.def (PAREN_EXPR): New tree code.
3471         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3472         and PAREN_EXPR.
3473         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3474         * expr.c (expand_expr_real_1): Likewise.
3475         * tree-inline.c (estimate_num_insns_1): Likewise.
3476         * tree-complex.c (expand_complex_move): Likewise.
3477         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3478         as plain x.
3479
3480 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3481
3482         PR target/35225
3483         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3484
3485 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3486
3487         PR target/35190
3488         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3489
3490         * config/sh/sh.c (find_barrier): Don't go past
3491         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3492
3493 2008-02-20  DJ Delorie  <dj@redhat.com>
3494
3495         * config/h8300/h8300.md (insv): Force source operand to be a register.
3496
3497         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3498         as a jump, not as a plain insn.
3499         
3500 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3501
3502         * doc/invoke.texi (Warning Options): Add new option
3503         -Wframe-larger-than=.
3504         (-Wframe-larger-than): Document.
3505
3506         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3507         Add declarations for new option variables.
3508
3509         * final.c (final_start_function): Check the frame size
3510         before emission and issue a Wframe-larger-than warning.
3511
3512         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3513         Add definitions for new option variables.
3514         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3515
3516         * common.opt (Wframe-larger-than=): New option.
3517
3518 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3519
3520         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3521         (<sse>_div<mode>3): Ditto.
3522         (<sse>_vmdiv<mode>3): Ditto.
3523         (<sse>_vmsqrt<mode>2): Ditto.
3524         (*smax<mode>3): Ditto.
3525         (sse5_frcz<mode>2): Ditto.
3526         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3527         as insn constraint.
3528
3529 2008-02-20  Richard Guenther  <rguenther@suse.de>
3530
3531         PR middle-end/35265
3532         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3533         be happy with INTEGRAL_TYPE_P.
3534
3535 2008-02-20  Richard Guenther  <rguenther@suse.de>
3536
3537         * fold-const.c (split_tree): Associate floatig-point expressions
3538         if flag_associative_math is set.
3539
3540 2008-02-20  Richard Guenther  <rguenther@suse.de>
3541
3542         * tree.h (fold_real_zero_addition_p): Declare.
3543         * fold-const.c (fold_real_zero_addition_p): Export.
3544         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3545         floating-point operations with zero and one.
3546
3547 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3548
3549         * doc/install.texi: Correct references to CFLAGS, replacing them
3550         with BOOT_CFLAGS.  Document flags used during bootstrap for
3551         target libraries.
3552                                 
3553 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3554
3555         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3556         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3557         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3558         insn constraint.
3559         (smin<mode>3): Ditto from similar patterns.
3560         (smax<mode>3): Ditto.
3561         (*ieee_smin<mode>3): Ditto.
3562         (*ieee_smax<mode>3): Ditto.
3563         * config/i386/sse.md (sse): New mode attribute.
3564         (mov<mode>): Macroize expander from movv4sf and movv2df using
3565         SSEMODEF2P mode iterator.
3566         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3567         SSE_VEC_FLOAT_MODE_P as insn constraint.
3568         (storent<mode>): Ditto.
3569         (storent<mode>): Macroize expander from storentsf and storentdf using
3570         MODEF mode iterator.
3571         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3572         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3573         (abs<mode>2): Ditto from similar patterns.
3574         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3575         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3576         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3577         (<sse>_vmsqrt<mode>2): Ditto.
3578         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3579         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3580         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3581         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3582         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3583         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3584         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3585         insn constraint.
3586         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3587         iterator and SSE_FLOAT_MODE_P as insn constraint.
3588         (<sse>_ucomi): Ditto from similar patterns.
3589         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3590         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3591         SSE_VEC_FLOAT_MODE_P as insn constraint.
3592         (vcond<mode>): Ditto from similar patterns.
3593         (and<mode>3, *and<mode>3): Ditto.
3594         (<sse>_nand<mode>3): Ditto.
3595         (ior<mode>3, *ior<mode>3): Ditto.
3596         (xor<mode>3, *xor<mode>3): Ditto.
3597         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3598         iterator and SSE_FLOAT_MODE_P as insn constraint.
3599         (*nand<mode>3): Ditto from similar patterns.
3600         (*ior<mode>3): Ditto.
3601         (*xor<mode>3): Ditto.
3602
3603 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3604
3605         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3606         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3607         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3608
3609 2008-02-19  Jan Hubicka  <jh@suse.cz>
3610
3611         * predict.c (tree_bb_level_predictions): Remove variable next
3612         mistakely introduced by previous commit.
3613
3614 2008-02-19  Jan Hubicka  <jh@suse.cz>
3615
3616         * predict.c (predict_paths_leading_to): Rewrite.
3617         (predict_paths_for_bb): New.
3618         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3619
3620 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3621
3622         PR bootstrap/35218
3623         * Makefile.in (build_file_translate): New.
3624         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3625         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3626         * configure.ac (build_file_translate): Substitute it.
3627         * configure: Regenerate.
3628
3629 2008-02-19  Jan Hubicka  <jh@suse.cz>
3630
3631         PR rtl-optimization/34408
3632         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3633         invalid sharing.
3634
3635 2008-02-19  Jan Hubicka  <jh@suse.cz>
3636
3637         PR middle-end/28779
3638         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3639         call_expr.
3640
3641 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3642
3643         PR Ada/35186
3644         * config/i386/i386-modes.def: Revert the last DI alignment
3645         change until Ada people can look into it.
3646
3647 2008-02-19  Nick Clifton  <nickc@redhat.com>
3648
3649         * opts.c (print_specific_help): Fix typo in --help text.
3650
3651 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3652
3653         PR target/35239
3654         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3655         32-bit inline asm without asm alternatives for host GCC < 3.0.
3656
3657 2008-02-19  Richard Guenther  <rguenther@suse.de>
3658
3659         PR tree-optimization/34989
3660         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3661         Allow propagation to INDIRECT_REF if we can simplify only.
3662
3663 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3664
3665         * c-common.c (warn_for_collisions_1): Use appropriate option when
3666         warning.
3667
3668 2008-02-19  Nick Clifton  <nickc@redhat.com>
3669
3670         PR other/31349
3671         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3672         (handle_options): Fix indentation.
3673         (print_filtered_help): If no language-specific options were
3674         displayed tell the user how to list all the options supported by
3675         the language's front-end.
3676         (print_specific_help): Fix indentation and remove duplicate line.
3677         (common_handle_option): Handle the -v option.
3678         For --help enable the display of undocumented options if the -v
3679         switch has been included on the command line.
3680         For --help= check for overlaps in the arguments between the option
3681         classes and the language names and issue a warning when they
3682         cannot be disambiguated.
3683         * c.opt (v): Pass on to the common option handler.
3684
3685 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3686
3687         * modulo-sched.c (sms_schedule): Change dump message when
3688         create_ddg function fails.
3689         (try_scheduling_node_in_cycle): Rename row to cycle.
3690         (print_partial_schedule): Rename CYCLE to ROW.
3691
3692 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3693             Zdenek Dvorak  <ook@ucw.cz>
3694
3695         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3696
3697 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3698
3699         PR target/33555
3700         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3701         (*x86_movdicc_0_m1_se): Ditto.
3702
3703 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3704
3705         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3706         (CMPtype): Define as __gcc_CMPtype.
3707         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3708         (CMPtype): Define as __gcc_CMPtype.
3709
3710 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3711
3712         Support valgrind 3.3 for --enable-checking=valgrind.
3713         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3714         here.
3715         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3716         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3717         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3718         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3719         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3720         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3721         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3722         respectively.
3723         * ggc-zone.c: Similar.
3724         * ggc-page.c: Similar.
3725
3726 2008-02-19  Paul Brook  <paul@codesourcery.com>
3727
3728         PR target/35071
3729         * config/arm/ieee754-df.S: Fix do_it typo.
3730         * config/arm/ieee754-sf.S: Fix do_it typo.
3731
3732 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3733
3734         PR target/35189
3735         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3736         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3737         (OPTION_MASK_ISA_SSE_SET): Likewise.
3738         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3739         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3740         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3741         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3742         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3743         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3744         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3745         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3746         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3747         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3748         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3749         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3750         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3751         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3752         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3753         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3754         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3755         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3756         (OPTION_MASK_ISA_SSE4): Removed.
3757         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3758         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3759         (override_options): Don't turn on implied SSE/MMX bits in
3760         ix86_isa_flags.
3761
3762 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3763
3764         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3765         32bit host.
3766
3767 2008-02-18  Joey Ye  <joey.ye@intel.com>
3768
3769         PR middle-end/34921
3770         * tree-nested.c (insert_field_into_struct): Set type alignment
3771         to field alignment if the former is less than the latter.
3772
3773 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3774
3775         * BASE-VER: Set to 4.4.0.
3776
3777 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3778
3779         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3780         * doc/cfg.texi: Likewise.
3781         * doc/extend.texi: Likewise.
3782         * doc/gty.texi: Likewise.
3783         * doc/invoke.texi: Likewise.
3784         * doc/loop.texi: Likewise.
3785         * doc/md.texi: Likewise.
3786         * doc/passes.texi: Likewise.
3787         * doc/rtl.texi: Likewise.
3788         * doc/sourcebuild.texi: Likewise.
3789         * doc/tm.texi: Likewise.
3790         * doc/tree-ssa.texi: Likewise.
3791
3792 2008-02-17  Richard Guenther  <rguenther@suse.de>
3793
3794         PR middle-end/35227
3795         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3796         without default definition.
3797
3798 2008-02-17  Richard Guenther  <rguenther@suse.de>
3799
3800         PR tree-optimization/35231
3801         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3802         if A | B != 1.
3803
3804 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3805
3806         Revert:
3807         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3808         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3809         libgcc_cmp_return mode.
3810
3811 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3812
3813         PR c/28368
3814         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3815
3816 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3817
3818         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3819         multilibs.
3820
3821 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3822
3823         * doc/c-tree.texi: Use `@.' where appropriate.
3824         * doc/extend.texi: Likewise.
3825         * doc/install.texi: Likewise.
3826         * doc/invoke.texi: Likewise.
3827         * doc/loop.texi: Likewise.
3828         * doc/makefile.texi: Likewise.
3829         * doc/md.texi: Likewise.
3830         * doc/passes.texi: Likewise.
3831         * doc/standards.texi: Likewise.
3832         * doc/tm.texi: Likewise.
3833
3834 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3835
3836         PR middle-end/35196
3837         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3838         in entry_bb.
3839         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3840         rather than in entry_bb.
3841
3842 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3843
3844         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3845         libgcc_cmp_return mode.
3846
3847 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3848
3849         PR middle-end/35130
3850         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3851         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3852
3853 2008-02-15  Richard Guenther  <rguenther@suse.de>
3854             Zdenek Dvorak  <ook@ucw.cz>
3855
3856         PR tree-optimization/35164
3857         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3858         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3859         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3860         Only propagate addresses which do not have abnormal SSA_NAMEs
3861         in their operands.
3862
3863 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3864
3865         PR target/35088
3866         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3867
3868 2008-02-15  Jan Hubicka  <jh@suse.cz>
3869
3870         PR middle-end/35149
3871         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3872
3873 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3874
3875         PR middle-end/34621
3876         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3877         when calculating alignment_pad.
3878
3879 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3880
3881         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3882         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3883         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3884         and STACK_BOUNDARY define.
3885
3886 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3887
3888         PR preprocessor/35061
3889         * c-pragma.c (handle_pragma_pop_macro): Check that
3890         pushed_macro_table has been allocated.
3891
3892 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3893
3894         PR middle-end/35136
3895         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3896         (force_gimple_operand): Likewise.
3897         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3898         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3899         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3900         (find_interesting_uses_address): Check addressability and alignment
3901         of the base expression only after substituting bases of IVs into it.
3902
3903 2008-02-14  Michael Matz  <matz@suse.de>
3904
3905         PR target/34930
3906         * function.c (instantiate_virtual_regs_in_insn): Reload address
3907         before falling back to reloading the whole operand.
3908
3909 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3910
3911         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3912         before the first section switch note.
3913
3914 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3915
3916         * doc/bugreport.texi: Update copyright years.
3917         * doc/c-tree.texi: Likewise.
3918         * doc/cfg.texi: Likewise.
3919         * doc/cpp.texi: Likewise.
3920         * doc/cppinternals.texi: Likewise.
3921         * doc/fragments.texi: Likewise.
3922         * doc/frontends.texi: Likewise.
3923         * doc/gcc.texi: Likewise.
3924         * doc/gty.texi: Likewise.
3925         * doc/hostconfig.texi: Likewise.
3926         * doc/implement-c.texi: Likewise.
3927         * doc/libgcc.texi: Likewise.
3928         * doc/loop.texi: Likewise.
3929         * doc/makefile.texi: Likewise.
3930         * doc/options.texi: Likewise.
3931         * doc/passes.texi: Likewise.
3932         * doc/rtl.texi: Likewise.
3933         * doc/sourcebuild.texi: Likewise.
3934         * doc/standards.texi: Likewise.
3935         * doc/tree-ssa.texi: Likewise.
3936         * doc/trouble.texi: Likewise.
3937
3938         * doc/extend.texi: Use @: or add comma where appropriate.
3939         * doc/invoke.texi: Likewise.
3940         * doc/tm.texi: Likewise.
3941
3942 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3943
3944         PR target/34393
3945         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3946         to a reg.
3947
3948 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3949
3950         * doc/md.texi (clz, ctz): Add reference.
3951         * doc/rtl.texi (clz, ctz): Likewise.
3952
3953 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3954
3955         PR other/35148
3956         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3957         srcdir.
3958
3959 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3960
3961         * config/s390/s390.c (struct constant_pool): New field
3962         emit_pool_after added.
3963         (s390_mainpool_start): Set the emit_pool_after flag according
3964         to the section switch notes.
3965         (s390_mainpool_finish): Consider emit_pool_after when emitting
3966         the literal pool at the end of the function.
3967         (s390_chunkify_start): Force literal pool splits at section
3968         switch notes.
3969
3970 2008-02-13  Michael Matz  <matz@suse.de>
3971
3972         PR debug/35065
3973         * var-tracking.c (clobber_variable_part): Correctly traverse the
3974         list.
3975
3976 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3977
3978         PR 29673
3979         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3980         Add -fdump-ipa-inline.
3981         * tree-dump.c (dump_files): Remove tree-inlined dump.
3982         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3983         
3984 2008-02-12  Richard Guenther  <rguenther@suse.de>
3985
3986         PR tree-optimization/35171
3987         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3988         default defs.
3989
3990 2008-02-12  Richard Guenther  <rguenther@suse.de>
3991
3992         PR middle-end/35163
3993         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3994         value-preserving mode.  Disallow final truncation.
3995
3996 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3997
3998         PR middle-end/35136
3999         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4000         code from here to...
4001         (force_gimple_operand): ...here.
4002
4003 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4004
4005         PR c++/35144
4006         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4007         non-compatible pointers.
4008         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4009         different FIELD_DECLs, try harder by comparing field offsets, sizes
4010         and types.
4011
4012         PR inline-asm/35160
4013         * function.c (match_asm_constraints_1): Don't replace the same input
4014         multiple times.
4015
4016 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4017
4018         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4019         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4020         (expand_epilogue): Restore RAMPZ register.
4021         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4022
4023 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4024
4025         * config/i386/cygwin.asm: (__alloca): Correct calling
4026         convention and alignment.
4027         (__chkstk): Force 8 byte stack alignment.
4028
4029 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4030             Richard Guenther  <rguenther@suse.de>
4031
4032         PR tree-optimization/33992
4033         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4034         the zero we compare against.
4035
4036 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4037
4038         PR libfortran/35063
4039         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4040         to CloseHandle after unlocking to prevent accumulation of handle
4041         count.
4042
4043 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4044
4045         PR middle_end/34150
4046         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4047         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4048         and update LABEL_NUSES during and after reload.
4049
4050 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4051
4052         PR middle-end/34627
4053         * combine.c (simplify_if_then_else): Make sure the comparison is
4054         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4055
4056 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4057
4058         PR bootstrap/35051
4059         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4060         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4061         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4062         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4063         * tree.h (get_type_static_bounds): Likewise.
4064
4065 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4066
4067         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4068         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4069         Make -Wfoo language annotations match what the compiler outputs.
4070
4071 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4072
4073         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4074         intrinsics spu_convts, spu_convtu, spu_convtf.
4075         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4076
4077 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4078
4079         * doc/extend.texi (Function Attributes) <noinline>: Mention
4080         asm ("") as method to keep calls.
4081
4082 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4083
4084         PR other/32754
4085         * doc/options.texi (Options): Replace references to opts.sh with
4086         optc-gen.awk.
4087         * opts-common.c: Likewise.
4088         * optc-gen.awk: Likewise.
4089         
4090 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4091
4092         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4093
4094 2008-02-07  Richard Henderson  <rth@redhat.com>
4095
4096         PR rtl-opt/33410
4097         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4098         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4099         funny mode.
4100
4101 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4102
4103         PR tree-optimization/35085
4104         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4105         for operand entry oe2 in addition to operand entry oe3 in order to
4106         expose more opportunities for vectorizer sum reduction.
4107
4108 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4109
4110         PR other/35107
4111         * Makefile.in (LIBS): Remove $(GMPLIBS).
4112         (cc1-dummy, cc1): Add $(GMPLIBS).
4113
4114 2008-02-06  Jan Hubicka  <jh@suse.cz>
4115
4116         PR target/23322
4117         * i386.md (moddf_integer): Do not produce partial memory stalls for
4118         targets where it hurts.
4119
4120 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4121
4122         PR target/35083
4123         * optabs.c (expand_float): Do not check for decimal modes when
4124         expanding unsigned integer through signed conversion.
4125
4126 2008-02-06  Nick Clifton  <nickc@redhat.com>
4127
4128         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4129         inside the clobber with a match_operand and duplicated operand
4130         number in the constraint.
4131         (ineqbranchsi): Delete redundant comment.
4132
4133 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4134
4135         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4136         builtin_define ("__USE_INIT_FINI__").
4137         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4138         -msx multilibs.
4139         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4140
4141 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4142
4143         PR documentation/30330
4144         * doc/invoke.texi (C++ Dialect Options)
4145         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4146         For each warning option -Wfoo that allows -Wno-foo, ensure both
4147         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4148         entry of -Wswitch-default, index -Wnormalized= including the
4149         `=', and -Wlarger-than-@var{len} including @var{len}.
4150
4151 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4152
4153         * config/i386/i386.md (floatunssisf2): Use
4154         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4155         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4156         Macroize expander using MODEF mode iterator.
4157
4158 2008-02-05  Diego Novillo  <dnovillo@google.com>
4159
4160         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4161
4162         PR 33738
4163         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4164
4165 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4166
4167         PR other/35070
4168         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4169
4170 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4171
4172         PR target/35084
4173         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4174         to indicate if a message should be generated.
4175         (init_cumulative_args): Updated.
4176         (function_value_32): Likewise.
4177
4178 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4179
4180         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4181
4182 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4183
4184         PR target/35083
4185         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4186         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4187
4188 2008-02-04  Diego Novillo  <dnovillo@google.com>
4189
4190         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4191
4192         PR 33738
4193         * tree-vrp.c (vrp_evaluate_conditional): With
4194         -Wtype-limits, emit a warning when comparing against a
4195         constant outside the natural range of OP0's type.
4196
4197 2008-02-04  Richard Guenther  <rguenther@suse.de>
4198
4199         PR middle-end/33631
4200         * expr.c (count_type_elements): Give for unions instead of
4201         guessing.
4202
4203 2008-02-04  Richard Guenther  <rguenther@suse.de>
4204
4205         PR middle-end/35043
4206         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4207         to TYPE_DOMAINs base type instead of using bitsizetype here.
4208
4209 2008-02-03  Jason Merrill  <jason@redhat.com>
4210
4211         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4212
4213 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4214
4215         PR other/29972
4216         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4217         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4218         (RS/6000 and PowerPC Options): Fix typos and markup.
4219         * doc/passes.texi (Tree-SSA passes): Likewise.
4220
4221 2008-02-02  Michael Matz  <matz@suse.de>
4222
4223         PR target/35045
4224         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4225         from record_last_reg_set_info.
4226         (record_last_reg_set_info): Take an RTX argument, iterate over all
4227         constituent hardregs.
4228         (record_last_set_info, record_opr_changes): Change calls to
4229         new signature or to record_last_reg_set_info_regno.
4230
4231 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4232
4233         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4234
4235 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4236
4237         PR rtl-optimization/34773
4238         * reg-notes.def (EQUAL): Mention significance of combination of
4239         REG_EQUAL and REG_RETVAL.
4240         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4241         insn that has a REG_RETVAL.
4242
4243 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4244
4245         PR bootstrap/33781
4246         * configure.ac (--enable-fixed-point): Disable unless explicitly
4247         requested on IRIX.
4248         * configure: Regenerate.
4249
4250 2008-02-01  Richard Guenther  <rguenther@suse.de>
4251
4252         PR other/35042
4253         * invoke.texi (-finline-limit): Remove no longer true parts
4254         of the documentation.  Note that there is no default value.
4255
4256 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4257             Mark Mitchell  <mark@codesourcery.com>
4258             Ben Elliston  <bje@au.ibm.com>
4259
4260         PR c/29326
4261         * doc/extend.texi (Other Builtins): Document.
4262
4263 2008-01-31  Tom Browder <tom.browder@gmail.com>
4264
4265         * doc/c-tree.texi (Types): Fix grammar.
4266         (Expression trees): Ditto.
4267         * doc/passes.texi (Tree-SSA passes): Ditto.
4268         
4269         * doc/configterms.texi (Configure Terms): Fix typo.
4270         * doc/cpp.texi (Common Predefined Macros): Ditto.
4271         * doc/md.texi (Machine Constraints): Ditto.
4272         
4273         * doc/makefile.texi (Makefile): Add comma.
4274
4275 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4276             Gerald Pfeifer  <gerald@pfeifer.com>
4277         
4278         * doc/sourcebuild.texi (Front End): Remove references to CVS
4279         and CVSROOT/modules.
4280         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4281         (Back End): Remove reference to CVS.
4282
4283 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4284
4285         PR target/34900
4286         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4287         comment from...
4288         (mips16_gp_pseudo_reg): ...here.
4289         * config/mips/mips.md (load_const_gp): Replace with...
4290         (load_const_gp_<mode>): ...this :P-based insn.
4291
4292 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4293
4294         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4295         options. Minor fixes.
4296         (-std): Move reference to standards closer to where language
4297         standards are first mentioned.
4298         
4299 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4300
4301         PR rtl-optimization/34995
4302         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4303         parameter and return a bool.  If the rtx parameter is nonnull,
4304         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4305         (find_reloads): Update call accordingly.  Pass the new operand
4306         if it needed no address reloads, otherwise pass null.
4307
4308 2008-01-30  Richard Henderson  <rth@redhat.com>
4309
4310         PR c/34993
4311         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4312         for unbounded arrays.
4313
4314 2008-01-30  Silvius Rus  <rus@google.com>
4315
4316         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4317
4318 2008-01-30  Jan Hubicka  <jh@suse.cz>
4319
4320         PR target/34982
4321         * i386.c (init_cumulative_args): Use real function declaration when
4322         calling locally.
4323
4324 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4325
4326         PR rtl-optimization/34998
4327         * global.c (build_insn_chain): Treat non-subreg_lowpart
4328         SUBREGs of pseudos as clobbering all the words covered by the
4329         SUBREG, not just all the bytes.
4330         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4331         original df_ref rather than an extract parameter.
4332         (global_conflicts): Update call accordingly.
4333
4334 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4335
4336         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4337         the overflow check to make it easier to read.
4338         (__fixtfdi): Change the type of the ll member in union
4339         long_double to UDItype_x.
4340
4341 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4342
4343         PR middle-end/34969
4344         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4345         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4346         * tree-inline.c (fold_marked_statements): Call
4347         cgraph_update_edges_for_call_stmt if folding a call statement.
4348         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4349         debug_generic_stmt calls, reset it back afterwards.
4350
4351         PR c/35017
4352         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4353         static decls.
4354         * c-typeck.c (build_external_ref): Don't pedwarn about
4355         static vars in current function's scope.
4356
4357 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4358
4359         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4360
4361 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4362
4363         PR c/35002
4364         * ipa-struct-reorg.c: Fix spelling.
4365         * params.def: Ditto.
4366
4367 2008-01-29  Richard Guenther  <rguenther@suse.de>
4368
4369         PR middle-end/35006
4370         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4371         field.
4372         * tree-inline.c (remap_type): Increment remapping_type_depth
4373         around remapping types.
4374         (copy_body_r): Only add referenced variables if they are referenced
4375         from code, not types.
4376
4377 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4378
4379         PR c++/34055
4380         PR c++/34103
4381         PR c++/34219
4382         PR c++/34606
4383         PR c++/34753
4384         PR c++/34754
4385         PR c++/34755
4386         PR c++/34919
4387         PR c++/34961
4388         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4389         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4390
4391 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4392
4393         PR target/34412
4394         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4395         pointer for tiny stack.
4396
4397 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4398
4399         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4400
4401 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4402
4403         * config/vx-common.h: Fix typo in comment.
4404
4405 2008-01-28  Ian Lance Taylor  <iant@google.com>
4406
4407         PR c++/34862
4408         PR c++/33407
4409         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4410         coalesce pointers if they have different DECL_NO_TBAA_P values.
4411         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4412         between variables with different DECL_NO_TBAA_P values.
4413
4414 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4415
4416         PR 31535
4417         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4418         are not legitimate small data references on SPE targets.
4419
4420 2008-01-28  David Daney  <ddaney@avtrex.com>
4421
4422         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4423
4424 2008-01-28  David Daney  <ddaney@avtrex.com>
4425
4426         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4427
4428 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4429
4430         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4431         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4432         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4433         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4434         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4435         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4436         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4437         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4438
4439 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4440
4441         * basic-block.h (condjump_equiv_p): Fix comment.
4442
4443 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4444
4445         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4446         print_generic_stmt_indented): Fix comment.
4447
4448 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4449
4450         * configure.ac (__stack_chk_fail): Add detecion for availability
4451         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4452         * configure: Regenerate.
4453
4454 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4455
4456         PR middle-end/34688
4457         * final.c (output_addr_const): Handle TRUNCATE.
4458
4459 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4460
4461         PR target/34711
4462         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4463         (zero_cost, infinite_cost): New constants.
4464         (struct cost_pair): Change type of cost to comp_cost.
4465         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4466         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4467         New functions.
4468         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4469         split_address_cost, ptr_difference_cost, difference_cost,
4470         get_computation_cost_at, get_computation_cost,
4471         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4472         determine_use_iv_cost_condition, determine_use_iv_costs,
4473         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4474         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4475         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4476         Change type of cost to comp_cost.
4477         (determine_iv_cost): Increase cost of non-original ivs, instead
4478         of decreasing the cost of original ones.
4479         (get_address_cost): Indicate the complexity of the addressing mode 
4480         in comp_cost.
4481         (try_add_cand_for): Prefer using ivs not specific to some object.
4482         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4483
4484 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4485             Janis Johnson  <janis187@us.ibm.com>
4486
4487         PR target/34814
4488         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4489         (TARGET_INSTANTIATE_DECLS): Likewise.
4490         * target.h (expand_to_rtl_hook): New target hook.
4491         (instantiate_decls): Likewise.
4492         * function.c (instantiate_decl): Make non-static.  Rename to...
4493         (instantiate_decl_rtl): ... this.
4494         (instantiate_expr): Use instantiate_decl_rtl.
4495         (instantiate_decls_1): Likewise.
4496         (instantiate_decls): Likewise.
4497         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4498         * function.h (instantiate_decl_rtl): Add prototype.
4499         * cfgexpand.c (target.h): New include.
4500         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4501         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4502         (TARGET_INSTANTIATE_DECLS): Likewise.
4503         (TARGET_INITIALIZER): New target hooks added.
4504         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4505         New prototype.
4506         * config/rs6000/rs6000.c (tree-flow.h): New include.
4507         (machine_function): Add sdmode_stack_slot field.
4508         (rs6000_alloc_sdmode_stack_slot): New function.
4509         (rs6000_instantiate_decls): Likewise.
4510         (rs6000_secondary_memory_needed_rtx): Likewise.
4511         (rs6000_check_sdmode): Likewise.
4512         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4513         (TARGET_INSTANTIATE_DECLS): Likewise.
4514         (rs6000_hard_regno_mode_ok): Allow SDmode.
4515         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4516         (rs6000_emit_move): Handle SDmode.
4517         (function_arg_advance): Likewise.
4518         (function_arg): Likewise.
4519         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4520         SDmode var args for 32-bit compiles.
4521         (rs6000_secondary_reload_class): Handle SDmode.
4522         (rs6000_output_function_epilogue): Likewise.
4523         (rs6000_function_value): Simplify if statement.
4524         (rs6000_libcall_value): Likewise.
4525         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4526         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4527         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4528         (movsd_hardfloat): New define_insn.
4529         (movsd_softfloat): Likewise.
4530         (movsd_store): Likewise.
4531         (movsd_load): Likewise.
4532         (extendsddd2): Likewise.
4533         (extendsdtd2): Likewise.
4534         (truncddsd2): Likewise.
4535         (movdd_hardfloat64): Fixup comment.
4536         (UNSPEC_MOVSD_LOAD): New constant.
4537         (UNSPEC_MOVSD_STORE): Likewise.
4538
4539 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4540
4541         PR c++/34965
4542         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4543         TRUTH_XOR_EXPR.
4544         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4545         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4546         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4547         and TRUTH_XOR_EXPR.
4548
4549 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4550
4551         PR target/34794
4552         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4553         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4554         __LONGDOUBLE128 too.
4555         * config/rs6000/aix61.h: New file.
4556
4557 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4558
4559         PR rtl-optimization/34959
4560         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4561         popcount and parity rtxes the same mode as their operand.
4562         Truncate or extend the result to the return value's mode
4563         if necessary.
4564
4565 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4566
4567         PR target/34981
4568         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4569         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4570         to GOT_VERSION_REGNUM.
4571         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4572         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4573         * config/mips/mips.c (mips_emit_call_insn): New function.
4574         (mips_call_tls_get_addr): Call mips_expand_call directly.
4575         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4576         emit_call_insn.
4577         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4578         (mips_expand_call): Update the call to mips16_build_call_stub
4579         accordingly and a remove redundant condition.  Assert that MIPS16
4580         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4581         the call insn.
4582         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4583         TARGET_USE_GOT.
4584         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4585         (mips_avoid_hazard): Remove hazard_set handling.
4586         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4587         (UNSPEC_RESTORE_GP): ...this.
4588         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4589         (FAKE_CALL_REGNO): Rename to...
4590         (GOT_VERSION_REGNUM): ...this.
4591         (type): Add "ghost" value.  Add an associated insn reservation.
4592         (hazard_set): Remove.
4593         (exception_receiver): Rename to...
4594         (restore_gp): ...this and update the unspec identifier accordingly.
4595         (exception_receiver, nonlocal_got_receiver): New expanders.
4596         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4597         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4598         (set_got_version, update_got_version): New patterns.
4599
4600 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4601
4602         PR target/34970
4603         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4604
4605 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4606
4607         PR other/31955
4608         * doc/install.texi2html: Generate gcc-vers.texi.
4609
4610 2008-01-25  DJ Delorie  <dj@redhat.com>
4611
4612         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4613
4614 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4615
4616         * config/c4x: Remove directory.
4617         * config.gcc (crx-*, mt-*): Mark obsolete.
4618         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4619         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4620         sh-*-rtemscoff*): Remove cases.
4621         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4622         * real.c (encode_c4x_single, decode_c4x_single,
4623         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4624         c4x_extended_format): Remove.
4625         * real.h (c4x_single_format, c4x_extended_format): Remove.
4626         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4627         on C4x.
4628         (Pragmas): Remove comment about c4x pragmas.
4629         * doc/install.texi (c4x): Remove target-specific instructions.
4630         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4631         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4632         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4633         refer to C4x source files as examples.
4634         (C4X_FLOAT_FORMAT): Remove documentation.
4635
4636 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4637
4638         * config/bfin/bfin.c (override_options): Reorder tests so that
4639         flag_pic gets enabled for -msep-data.
4640
4641 2008-01-25  Richard Guenther  <rguenther@suse.de>
4642
4643         PR middle-end/32244
4644         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4645         to its bitfield precision if required.
4646
4647 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4648
4649         PR middle-end/33880
4650         * tree-nested.c (walk_omp_for): New function.
4651         (convert_nonlocal_reference, convert_local_reference): Call
4652         walk_omp_for on OMP_FOR.
4653         (convert_call_expr): Call walk_body on OMP_FOR's
4654         OMP_FOR_PRE_INIT_BODY.
4655
4656 2008-01-25  Richard Guenther  <rguenther@suse.de>
4657
4658         PR tree-optimization/34966
4659         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4660         default defs and PHI_NODEs we have to insert after the
4661         defining statement.
4662
4663 2008-01-24  Nick Clifton  <nickc@redhat.com>
4664
4665         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4666         Provide a default definition.
4667         (LIBGCC2_UNITS_PER_WORD): Likewise.
4668
4669         * config/stormy16/stormy16.c: Include df.h for the prototype
4670         for df_regs_ever_live_p.
4671         (xstormy16_expand_builtin_va_start): Convert the stack offset
4672         into a component_ref and then use POINTER_PLUS_EXPR to add it
4673         to the incoming_virtual_args_rtx.
4674         (xstormy16_gimplify_va_arg_expr): Rename to
4675         xstormy16_gimplify_va_arg_expr.
4676         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4677         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4678         xstormy16_gimplify_va_arg_expr.
4679         Fix up some formatting issues.
4680
4681         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4682         Move to predicates.md.
4683         (xs_hi_general_operand): Likewise.
4684         (xs_hi_nonmemory_operand): Likewise.
4685         * config/stormy16/predicates.md:
4686         (xstormy16_carry_plus_operand): New predicate.
4687         (xs_hi_general_operand): New predicate.
4688         (xs_hi_nonmemory_operand): New predicate.
4689         * config/stormy16/stormy16-protos.h:
4690         (xstormy16_carry_plus_operand): Delete prototype.
4691         (xs_hi_general_operand): Likewise.
4692         (xs_hi_nonmemory_operand): Likewise.
4693
4694         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4695         modifiers as they are no longer needed and they can trigger
4696         reload spill failures.
4697
4698         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4699         with a match_operand in order to help reload.
4700
4701         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4702         constraint with 'e' for the 8th alternative as this version of
4703         the mov.w instruction only accepts the lower 8 registers.
4704
4705 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4706
4707         PR target/34856
4708         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4709         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4710         vector elements.
4711
4712 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4713
4714         PR middle-end/33333
4715         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4716
4717 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4718
4719         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4720         New functions.
4721         (remove_structure): Update allocations list before removing structure.
4722         
4723 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4724
4725         * ipa-struct-reorg.c (is_safe_cond_expr, 
4726         create_new_stmts_for_cond_expr): Use integer_zerop function,
4727         that recognize not only zero-pointer, but zero-integer too.
4728
4729 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4730
4731         PR other/22232
4732         * fixproto: Escape "." in sed expression that strips leading "./".
4733
4734 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4735
4736         PR driver/34904
4737         * gcc.c (SWITCH_OK): Removed.
4738         (SWITCH_LIVE): Changed to bit.
4739         (SWITCH_FALSE): Likewise.
4740         (SWITCH_IGNORE): Likewise.
4741         (switchstr): Change live_cond to unsigned int.
4742         (process_command): Replace SWITCH_OK with 0.
4743         (do_self_spec): Likewise.
4744         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4745         (give_switch): Likewise.
4746         (used_arg): Likewise.
4747         (do_spec_1): Set the SWITCH_IGNORE bit.
4748         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4749         bits.  Set the SWITCH_LIVE bit.
4750
4751 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4752
4753         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4754
4755 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4756
4757         PR tree-optimization/34472
4758         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4759         parameter to a "bool *" and set *DATA to false if there is
4760         an unsafe access.  Do not delete the structure here.
4761         (check_cond_exprs): Delete it here instead.
4762         (check_cond_exprs, exclude_cold_structs): Do not increase
4763         I when removing a structure.
4764
4765 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4766
4767         PR target/34856
4768         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4769         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4770
4771 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4772
4773         PR middle-end/34934
4774         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4775         a fixed vector for stack.
4776
4777 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4778
4779         PR c++/25701
4780         * doc/gcc.texi (Software development): Add a direntry for g++.
4781         
4782 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4783
4784         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4785         stale and straggling -fforce-addr comments above.
4786
4787         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4788         define.
4789         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4790         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4791
4792 2008-01-23  Michael Matz  <matz@suse.de>
4793
4794         PR debug/34895
4795         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4796         gen_type_die.
4797
4798 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4799
4800         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4801         malloc result type.
4802
4803 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4804
4805         * config/avr/avr.c (avr_current_arch): New variable.
4806         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4807         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4808         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4809         (avr_override_options): Init 'avr_current_arch'. 
4810         (base_arch_s): Move from here...
4811         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4812         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4813         'mega' to 'have_jmp_call'.
4814         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4815         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4816         macros.
4817         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4818         architectures.
4819         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4820         MULTILIB_MATCHES): (Ditto.).
4821
4822 2008-01-23  Richard Guenther  <rguenther@suse.de>
4823
4824         PR middle-end/31529
4825         * cgraphunit.c (cgraph_reset_node): Always mark the node
4826         not reachable if it is not queued already.
4827
4828 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4829
4830         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4831         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4832         (cputype_selected): New static variable.
4833         (bfin_handle_option): Set it if -mcpu is used.
4834         (override_option): Select default set of workarounds if no cpu type
4835         selected on the command line.
4836         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4837
4838         From  Michael Frysinger  <michael.frysinger@analog.com>
4839         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4840         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4841
4842         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4843         for bf547, bf523, bf524, and bf526.
4844         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4845         bf526.
4846         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4847         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4848         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4849         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4850         * doc/invoke.texi (Blackfin Options): Document that
4851         -mcpu now accept bf547, bf523, bf524, and bf526.
4852
4853 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4854
4855         PR rtl-optimization/34628
4856         * combine.c (try_combine): Stop and undo after the first combination
4857         if an autoincrement side-effect on the first insn has effectively
4858         been lost.
4859
4860 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4861
4862         PR target/34529
4863         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4864         Offset addresses are not valid for Altivec or paired float modes.
4865
4866 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4867
4868         PR c++/34607
4869         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4870         if DECL_INITIAL (decl) is error_mark_node.
4871
4872         PR c++/34914
4873         * c-common.c (handle_vector_size_attribute): Only allow
4874         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4875         the same way as pointer, array etc. types.
4876         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4877
4878         PR c++/34917
4879         * tree.c (build_type_attribute_qual_variant): Call
4880         build_qualified_type if attributes are equal, but quals are not.
4881
4882 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4883
4884         PR 32102
4885         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4886         * flags.h (warn_strict_aliasing): Remove.
4887         (warn_strict_overflow): Remove.
4888         * opts.c (warn_strict_aliasing): Remove.
4889         (warn_strict_overflow): Remove.
4890         * c-opts.c (c_common_handle_option): -Wall only sets
4891         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4892         (c_common_post_options): Give default values to -Wstrict-aliasing
4893         and -Wstrict-overflow if they are uninitialized.
4894         * common.opt (Wstrict-aliasing): Specify Var and Init.
4895         (Wstrict-overflow): Likewise.
4896
4897 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4898
4899         PR rtl-optimization/26854
4900         PR rtl-optimization/34400
4901         PR rtl-optimization/34884
4902         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4903         DF_RD->gen.
4904         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4905         (df_rd_bb_info.expanded_lr_out): Deleted
4906         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4907         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4908         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4909         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4910         Removed code to allocate, initialize or free expanded_lr_out.
4911         (df_rd_bb_local_compute_process_def): Restructured to make more
4912         understandable.
4913         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4914         sets if the sets are being trimmed.
4915
4916 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4917
4918         PR bootstrap/32287
4919         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4920         (as_vers): Likewise.
4921         * configure: Regenerated.
4922
4923 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4924
4925         PR middle-end/33092
4926         * tree-pass.h (pass_build_alias): New pass.
4927         * tree-ssa-alias.c (gate_build_alias): New.
4928         (pass_build_alias): New.
4929         * passes.c (init_optimization_passes): Add pass_build_alias after
4930         pass_create_structure_vars.
4931
4932 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4933
4934         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4935         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4936         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4937         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4938         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4939         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4940         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4941         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4942         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4943         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4944         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4945         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4946         * config/s390/s390.md (FP_ALL): New mode iterator.
4947         (_d): New mode attribute.
4948         ("*signbit<mode>2>"): Changed mode of first operand.
4949         ("isinf<mode>2"): Changed mode of first operand.
4950         ("*TDC_insn"): Adaptation for DFP modes.
4951
4952 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4953
4954         * tree.c (check_qualified_type): Improve function description.
4955
4956 2008-01-21  Jason Merrill  <jason@redhat.com>
4957
4958         PR c++/34196
4959         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4960         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4961         if it is set.
4962
4963 2008-01-21  DJ Delorie  <dj@redhat.com>
4964
4965         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4966         return zero.
4967
4968 2008-01-21  Richard Guenther  <rguenther@suse.de>
4969
4970         PR middle-end/34856
4971         * tree-cfg.c (verify_expr): Allow all invariant expressions
4972         instead of just constant class ones as reference argument.
4973         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4974         like any other constant.
4975         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4976
4977 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4978
4979         * regmove.c (fixup_match_1): Update call crossed frequencies.
4980
4981 2008-01-21  Richard Guenther  <rguenther@suse.de>
4982
4983         PR c/34885
4984         * tree-inline.c (setup_one_parameter): Deal with mismatched
4985         types using a VIEW_CONVERT_EXPR.
4986
4987 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4988             Olga Golovanevsky  <olga@il.ibm.com>
4989         
4990         PR tree-optimization/34701
4991         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4992         when the structure size is not a power of 2.
4993
4994 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4995
4996         * doc/install.texi: Add doc for --enable-checking=df.
4997         
4998 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4999
5000         PR rtl-optimization/34808
5001         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5002
5003 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5004
5005         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5006         input.
5007
5008 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5009
5010         PR rtl-optimization/26854
5011         PR rtl-optimization/34400
5012         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5013         DF_RD->gen.
5014         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5015         (df_rd_bb_info.expanded_lr_out): New.
5016         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5017         * loop_iv.c (iv_analysis_loop_init): Ditto.
5018         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5019         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5020         Added code to allocate, initialize or free expanded_lr_out.
5021         (df_rd_bb_local_compute_process_def): Restructured to make
5022         more understandable.
5023         (df_rd_confluence_n): Add code to do nothing with fake edges and
5024         code to no apply invalidate_by_call sets if the sets are being trimmed.
5025         (df_lr_local_finalize): Renamed to df_lr_finalize.
5026         (df_live_local_finalize): Renamed to df_live_finalize.
5027
5028 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5029
5030         PR target/34831
5031         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5032         deciding whether to use reciprocal instructions.
5033
5034 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5035
5036         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5037         dwarf2out_note_section_used if cold_text_section is NULL.
5038
5039 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5040
5041         PR gcov-profile/34610
5042         * tree-cfg.c (make_edges): Mark both outgoing edges from
5043         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5044         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5045         from OMP_FOR and OMP_CONTINUE outgoing edges.
5046
5047         * tree-profile.c (tree_profiling): Return early if
5048         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5049         at the end.
5050         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5051         from cfun to child_cfun.
5052         * function.h (struct function): Add after_tree_profile bit.
5053
5054 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5055
5056         * config/avr/avr.S (_exit): Disable interrupt.
5057
5058 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5059             Steven Bosscher  <stevenb.gcc@gmail.com>
5060
5061         PR rtl-optimization/26854
5062         PR rtl-optimization/34400
5063         * df-problems.c (df_live_scratch): New scratch bitmap.
5064         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5065         (df_live_reset): Clear the proper bitmaps.
5066         (df_live_bb_local_compute): Only process the artificial defs once
5067         since the order is not important.
5068         (df_live_init): Init the df_live sets only with the variables
5069         found live by df_lr.
5070         (df_live_transfer_function): Use the df_lr sets to prune the
5071         df_live sets as they are being computed.  
5072         (df_live_free): Free df_live_scratch.
5073
5074 2008-01-18  Ian Lance Taylor  <iant@google.com>
5075
5076         * common.opt: Add fmerge-debug-strings.
5077         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5078         flag_merge_debug_strings rather than flag_merge_constants.
5079         * doc/invoke.texi (Option Summary): Mention
5080         -fmerge-debug-strings.
5081         (Debugging Options): Document -fmerge-debug-strings.
5082
5083 2008-01-18  Ian Lance Taylor  <iant@google.com>
5084
5085         PR c++/33407
5086         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5087         (struct tree_function_decl): Add new field operator_new_flag.
5088         * tree-inline.c (expand_call_inline): When inlining a call to
5089         operator new, force the return value to go into a variable, and
5090         set DECL_NO_TBAA_P on that variable.
5091         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5092
5093 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5094
5095         PR debug/34484
5096         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5097         DWARF2_DEBUGGING_INFO.
5098         (dwarf2out_note_section_used): Ditto.  Add prototype.
5099         (have_multiple_function_sections, text_section_used,
5100         cold_text_section_used, *cold_text_sections): Move declarations
5101         before their uses.
5102
5103 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5104
5105         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5106         field and add signal_ra.
5107         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5108         assignments to frame state pc.  Move end of stack check after
5109         MD_FALLBACK_FRAME_STATE_FOR.
5110         (uw_update_context_1): Use frame state signal_regs if set, instead
5111         of checking signal_frame flag.
5112         (uw_update_context): Use frame state signal_ra if set.
5113         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5114         * config/xtensa/linux-unwind.h: New file.
5115
5116 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5117
5118         * modulo-sched.c (get_sched_window): Fix comment typo.
5119
5120 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5121
5122         PR tree-optimization/34648
5123         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5124
5125 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5126
5127         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5128         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5129
5130 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5131
5132         PR rtl-optimization/34400
5133         * df-core.c (df_worklist_dataflow_overeager,
5134         df_worklist_dataflow_doublequeue): New functions.
5135         (df_worklist_dataflow): Two different worklist solvers.
5136         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5137         New param.
5138
5139 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5140
5141         PR testsuite/34821
5142         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5143         and ftree-parallelize-loops.
5144
5145 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5146
5147         PR rtl-optimization/34826
5148         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5149
5150 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5151
5152         * global.c (find_reg): Mark the eh regs as used if necessary.
5153         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5154         * ra.h (struct allocno): no_eh_reg field added.  Changed
5155         no_stack_reg type to bitfield.
5156
5157 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5158
5159         * tree.c (substitute_in_expr): Add missing 'break'.
5160
5161 2008-01-17  Richard Guenther  <rguenther@suse.de>
5162
5163         PR tree-optimization/34825
5164         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5165         x / x as division to handle.
5166
5167 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5168
5169         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5170         "-pthread" is specified.
5171         * pa-hpux11.h (LIB_SPEC): Likewise.
5172
5173 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5174             Peter Bergner  <bergner@vnet.ibm.com>
5175
5176         PR rtl-optimization/33796
5177         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5178
5179 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5180
5181         PR libgfortran/34699
5182         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5183         static links.
5184         * pa-hpux10.h (LINK_SPEC): Likewise.
5185         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5186
5187 2008-01-16  Richard Guenther  <rguenther@suse.de>
5188
5189         PR middle-end/32628
5190         * fold-const.c (fold_convert_const_int_from_int): Do not
5191         set overflow if that occured only because of a sign extension
5192         change when converting from/to a sizetype with the same
5193         precision and signedness.
5194
5195 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5196
5197         PR debug/34249
5198         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5199         location address to the correct place.  Update copyright year.
5200
5201 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5202
5203         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5204         no dependences in the dependence_relations vector.
5205
5206 2008-01-16  Jan Hubicka  <jh@suse.cz>
5207
5208         PR rtl-optimization/31396
5209         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5210         * cfg.c (dump_reg_info): Print it.
5211         * regs.h (struct reg_info_t): add freq_calls_crossed.
5212         (REG_FREQ_CALLS_CROSSED): New macro.
5213         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5214         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5215         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5216         regmove_optimize): Update call crossed frequencies.
5217         * local-alloc.c (struct qty): Add freq_calls_crossed.
5218         (alloc_qty): Copute freq_calls_crossed.
5219         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5220         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5221         * ra.h (struct allocno): Add freq_calls_crossed.
5222
5223 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5224
5225         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5226         libgomp when compiling with ftree-parallelize-loops.
5227         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5228
5229 2008-01-16  Richard Guenther  <rguenther@suse.de>
5230
5231         PR tree-optimization/34769
5232         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5233         * tree.c (int_cst_value): Instead make this function more
5234         permissive in what it accepts as valid input.  Document this
5235         function always sign-extends the value.
5236
5237 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5238             Richard Guenther  <rguenther@suse.de>
5239
5240         PR c/34668
5241         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5242         (gimple_fold_indirect_ref_rhs): ... this.
5243         (gimple_fold_indirect_ref): New function with foldings
5244         that preserve lvalueness.
5245         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5246         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5247         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5248         to fold an INDIRECT_REF, fall back to the old use of
5249         fold_indirect_ref_1.
5250
5251 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5252
5253         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5254         free_conflict_function.
5255         (compute_self_dependence): Same.
5256
5257 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5258
5259         PR debug/34249
5260         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5261         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5262         function global.
5263         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5264         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5265         for DWARF2_UNWIND_INFO targets.
5266
5267 2008-01-16  Richard Guenther  <rguenther@suse.de>
5268
5269         PR c/34768
5270         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5271         type qualifiers for function types.
5272
5273 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5274
5275         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5276         loop_iterator li from previous commit.
5277
5278 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5279
5280         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5281
5282 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5283
5284         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5285         (parallelize_loops): Don't parallelize irreducible components.
5286
5287 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5288
5289         PR c++/24924
5290         * c-opts (c_common_post_options): Do not enable CPP
5291         flag_pedantic_errors by default.
5292         
5293 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5294
5295         PR rtl-optimization/31944
5296         * cse.c (remove_pseudo_from_table): New function.
5297         (merge_equiv_classes): Use above function to remove pseudo-registers.
5298         (invalidate): Likewise.
5299
5300 2008-01-13  Richard Guenther  <rguenther@suse.de>
5301
5302         PR middle-end/34601
5303         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5304         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5305
5306 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5307
5308         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5309         validate_change to unshare the source of the PC set.
5310
5311 2008-01-12  Jan Hubicka  <jh@suse.cz>
5312
5313         PR middle-end/32135
5314         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5315         references above array bounds.  This might trigger bounds checks for
5316         pointers to arrays.
5317
5318 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5319
5320         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5321         new_replaceable_dependencies.
5322
5323 2008-01-12  Doug Kwan  <dougkwan@google.com>
5324
5325         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5326         instead of OPT_Wreturn_type in warning due to ignored return type
5327         qualifiers.
5328         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5329         options included in -Wextra.
5330         * c.opt: New option -Wignored_qualifiers.
5331         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5332         -Wignore_qualifiers.
5333         (-Wignored-qualifiers): Document.
5334         (-Wreturn-type): Remove description of functionality now handled
5335         by -Wignored-qualifiers.
5336
5337 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5338
5339         PR ada/33788
5340         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5341         NOP_EXPR if it is between integral types with the same precision.
5342
5343 2008-01-12  Jan Hubicka  <jh@suse.cz>
5344
5345         PR other/28023
5346         * invoke.texi (max-inline-recursive-depth): Fix default value.
5347
5348 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5349
5350         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5351         correct type.
5352
5353 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5354         
5355         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5356         
5357 2008-01-11  James E. Wilson  <wilson@specifix.com>
5358
5359         PR target/26015
5360         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5361
5362 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5363
5364         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5365         save/restore frame pointer register and don't use 'call-prologues' 
5366         optimization in function with "OS_task" attribute.
5367
5368 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5369
5370         PR middle-end/31309
5371         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5372         when copying to memory.
5373
5374 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5375
5376         PR rtl-optimization/30905
5377         * cfgcleanup.c: Include dce.h
5378         (crossjumps_occured): New global variable.
5379         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5380         If something changed, set crossjumps_occured to true.
5381         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5382         Don't add/remove fake edges to exit here...
5383         (cleanup_cfg): ...but do it here, when crossjumping.
5384         Run a fast DCE when successful crossjumps occured in the latest
5385         iteration of try_optimize_cfg.
5386
5387 2008-01-11  Richard Guenther  <rguenther@suse.de>
5388
5389         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5390         (struct vn_unary_op_s): Likewise.
5391         (vn_reference_insert): Free old reference on hash collision.
5392
5393 2008-01-10  Raksit Ashok  <raksit@google.com>
5394
5395         PR rtl-optimization/27971
5396         * combine.c (find_split_point): Split PLUS expressions which are
5397         inside a MEM rtx, and whose first operand is complex.
5398
5399 2008-01-10  DJ Delorie  <dj@redhat.com>
5400
5401         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5402         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5403         (m32c_hard_regno_ok): Call the underlying function.
5404
5405 2008-01-10  Richard Guenther  <rguenther@suse.de>
5406
5407         PR middle-end/34683
5408         * tree-cfg.c (tree_merge_blocks): Do not go through the
5409         full-blown folding and stmt updating path if we just deal
5410         with virtual operands.
5411         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5412         test for abnormal SSA_NAMEs.
5413
5414 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5415
5416         PR middle-end/34641
5417         * reload.c (push_reload): Add assertions.  All constants from
5418         reg_equiv_constant should have been used for replacing the respective
5419         pseudo earlier.
5420         (find_reloads_address): Invoke find_reloads_address_part for
5421         constant taken from the reg_equiv_constant array.
5422
5423 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5424
5425         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5426         field (valnum) the first in the struct.  Replace bools with
5427         unit bit fields.
5428
5429 2008-01-10  Richard Guenther  <rguenther@suse.de>
5430
5431         PR tree-optimization/34651
5432         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5433         types and ordering for masking and converting.
5434
5435 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5436
5437         PR tree-optimization/34017
5438         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5439         also for PHI_NODE expressions.
5440
5441 2008-01-09  Jan Hubicka  <jh@suse.cz>
5442
5443         PR tree-optimization/34708
5444         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5445         based on number of case labels.
5446         (init_inline_once): Remove switch_cost.
5447         * tree-inline.h (eni_weights_d): Remove switch_cost.
5448
5449 2008-01-09  Richard Guenther  <rguenther@suse.de>
5450         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5451
5452         PR middle-end/30132
5453         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5454         temporary if an rvalue is ok or an lvalue is not required.
5455
5456 2008-01-09  Richard Guenther  <rguenther@suse.de>
5457
5458         PR middle-end/34458
5459         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5460         adjust return type.
5461
5462 2008-01-09  Richard Guenther  <rguenther@suse.de>
5463
5464         PR middle-end/34679
5465         * tree.c (host_integerp): Check for sizetype only if the
5466         type is an integer type.
5467
5468 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5469
5470         PR debug/26364
5471         * opts.c (decode_options): Disable inlining of functions called
5472         once if not in unit-at-a-time mode.
5473
5474 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5475
5476         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5477
5478 2008-01-08  Richard Guenther  <rguenther@suse.de>
5479
5480         PR middle-end/31863
5481         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5482         out early if the result will be unused.
5483
5484 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5485
5486         PR target/34709
5487         Revert:
5488
5489         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5490         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5491         for TARGET_RECIP.       
5492         
5493 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5494         
5495         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5496         for vectorization tuned.
5497         
5498 2008-01-08  Richard Guenther  <rguenther@suse.de>
5499
5500         PR tree-optimization/34683
5501         * tree-ssa-operands.c (operand_build_cmp): Export.
5502         * tree-ssa-operands.h (operand_build_cmp): Declare.
5503         * tree-vn.c (vuses_compare): Remove.
5504         (sort_vuses): Use operand_build_cmp.
5505         (sort_vuses_heap): Likewise.
5506         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5507         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5508         (vdefs_to_vec): Do not sort already sorted VDEFs.
5509
5510 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5511
5512         PR middle-end/34694
5513         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5514
5515 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5516
5517         PR target/34702
5518         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5519         limitations of reciprocal sequences on x86 targets.
5520
5521 2008-01-08  Richard Guenther  <rguenther@suse.de>
5522
5523         PR tree-optimization/34683
5524         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5525
5526 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5527
5528         PR target/34622
5529         * config/darwin.c (darwin_mergeable_string_section): Don't use
5530         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5531
5532 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5533
5534         PR target/34682
5535         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5536         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5537         predicates of op0 and op1 to register_operand.
5538         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5539         expander using X87MODEF mode iterator.  Change predicates of
5540         op0 and op1 to register_operand.
5541         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5542         corresponding patterns and macroize using MODEF macro.  Change
5543         predicates of op0 and op1 to register_operand and remove
5544         "m" constraint. Disparage "r" alternative with "!".
5545         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5546         macroize using X87MODEF macro.  Change predicates of op0 and op1
5547         to register_operand and remove "m" constraint.  Disparage "r"
5548         alternative with "!".
5549         (absneg splitter with memory operands): Remove.
5550         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5551         patterns and macroize using X87MODEF mode iterator.
5552         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5553         Change predicate of op1 to register_operand.
5554         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5555         for memory operands.
5556
5557 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5558
5559         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5560
5561 2008-01-07  Richard Guenther  <rguenther@suse.de>
5562
5563         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5564         fields.
5565
5566 2008-01-07  Richard Guenther  <rguenther@suse.de>
5567
5568         PR tree-optimization/34683
5569         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5570         VOPs of the needed size to save memory.  Use VEC_quick_push
5571         to save compile-time.
5572         (vdefs_to_vec): Likewise.
5573
5574 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5575
5576         * config/spu/spu.md (divdf3): Genetate inline code for double
5577         division.  The implementation doesn't handle INF or NAN, therefore it
5578         only applies when -ffinite-math-only is given.
5579
5580 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5581
5582         PR libstdc++/34680
5583         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5584         * doc/cpp.texi ([Common Predefined Macros]): Document.
5585
5586 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5587
5588         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5589         order to use commutative addition instead of subtraction.
5590
5591 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5592             Mircea Namolaru  <namolaru@il.ibm.com>
5593             Vladimir Yanovsky  <yanov@il.ibm.com>
5594             Revital Eres  <eres@il.ibm.com>
5595
5596         PR tree-optimization/34263
5597         * tree-outof-ssa.c (process_single_block_loop_latch,
5598         contains_tree_r): New functions.
5599         (analyze_edges_for_bb): Call process_single_block_loop_latch
5600         function to empty single-basic-block latch block if possible.
5601
5602 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5603
5604         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5605         for TARGET_RECIP.
5606         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5607
5608 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5609
5610         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5611
5612 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5613
5614         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5615
5616 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5617
5618         PR tree-optimization/34618
5619         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5620         flag from T.
5621
5622 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5623
5624         PR target/34673
5625         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5626         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5627         Update copyright year.
5628
5629         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5630         Update copyright year.
5631         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5632         using NR fixup.
5633
5634 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5635
5636         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5637         edge does not point to current bb before changing need_assert.
5638
5639 2008-01-04  Richard Guenther  <rguenther@suse.de>
5640
5641         PR middle-end/34029
5642         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5643         for verifying purposes if they are is_gimple_min_invariant.
5644
5645 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5646
5647         PR tree-optimization/34448
5648         PR tree-optimization/34465
5649         * gimplify.c (gimplify_init_constructor): Add new parameter
5650         notify_temp_creation.  Use it.
5651         (gimplify_modify_expr_rhs): Take volatiles into account when
5652         optimizing constructors.
5653         Do not optimize constructors if gimplify_init_constructor will dump to
5654         memory.
5655         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5656         * gcc.c-torture/compile/pr34448.c: New.
5657
5658 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5659
5660         PR gcov-profile/34609
5661         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5662         return_slot if result is TREE_ADDRESSABLE.
5663
5664 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5665
5666         * config/mips/mips.md (sqrt_condition): Tweak comment.
5667         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5668
5669 2008-01-03  Tom Tromey  <tromey@redhat.com>
5670
5671         PR c/34457
5672         * c-common.c (c_type_hash): Handle VLAs.
5673
5674 2008-01-03  Jan Hubicka  <jh@suse.cz>
5675
5676         PR tree-optimization/31081
5677         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5678         0 when inlining and not inlining to first basic block.
5679         (remap_decl): When var is initialized to 0, don't set default_def.
5680         (expand_call_inline): Set entry_bb.
5681         * tree-inline.h (copy_body_data): Add entry_bb.
5682
5683 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5684
5685         PR c++/34619
5686         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5687         before returning.
5688
5689         PR tree-optimization/29484
5690         * tree-inline.c (inline_forbidden_p_2): New function.
5691         (inline_forbidden_p): Disallow inlining if some static var
5692         has an address of a local LABEL_DECL in its initializer.
5693         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5694         vs. inlining.
5695
5696 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5697
5698         PR tree-optimization/34635
5699         * tree-data-ref.c (add_other_self_distances): Make sure that the
5700         evolution step is constant.
5701
5702 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5703
5704         PR middle-end/34608
5705         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5706
5707 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5708
5709         * tree-sra.c (scalarize_init): Insert the generate_element_init
5710         statements after the generate_element_zero statements.
5711
5712 2008-01-02  Richard Guenther  <rguenther@suse.de>
5713
5714         PR middle-end/34093
5715         PR middle-end/31976
5716         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5717         for very large number of operands instead of ICEing.
5718
5719 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5720
5721         PR target/34013
5722         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5723         while stack probing.
5724
5725 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5726
5727         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5728         in C++0x mode.
5729
5730 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5731
5732         PR libmudflap/26442
5733         * tree-mudflap.c (mx_register_decls): Guard warning by
5734         !DECL_ARTIFICIAL check.
5735
5736 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5737
5738         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5739         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5740         sse5_perm<mode>): Fix constraints.