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1 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4         secondary input reload for subword loads from the constant pool.
5
6 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
7
8         PR target/35713
9         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
10           constants of the appropriate size for runtime calculations.
11
12         PR c/35712
13         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14           decimal-float literal constant zero.
15
16 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
17
18         PR c/35738
19         * c-parser.c (c_parser_omp_atomic): Call
20         default_function_array_conversion on the RHS.
21
22         PR middle-end/35818
23         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
24         call is_variable_sized if decl has incomplete type.
25
26 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
27
28         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
29
30 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
31
32         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
33         iterators.
34         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
35         leu.
36         (sgt<u>): Merge sgt and sgtu into new expander.
37         (sgt, sgtu): Remove expanders.
38         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
39         pattern.
40         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
41         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
42         *sgtu_<mode>_mips16 into new pattern.
43         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
44         (sge<u>): Merge sge and sgeu into new expander.
45         (sge, sgeu): Remove expanders.
46         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
47         new pattern.
48         (*sge_<mode>, second *sge_<mode>): Remove patterns.
49         (slt<u>): Merge slt and sltu into new expander.
50         (slt, sltu): Remove expanders.
51         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
52         pattern.
53         (*slt_<mode>, *sltu_<mode>): Remove patterns.
54         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
55         *sltu_<mode>_mips16 into new pattern.
56         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
57         (sle<u>): Merge sle and sleu into new expander.
58         (sle, sleu): Remove expanders.
59         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
60         pattern.
61         (*sle_<mode>, *sleu_<mode>): Remove patterns.
62         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
63         *sleu_<mode>_mips16 into new pattern.
64         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
65
66 2008-04-03  Jan Hubicka  <jh@suse.cz>
67
68         PR tree-optimization/35795
69         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
70         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
71         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
72         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
73         * score/score3.c (score3_output_mi_thunk): Likewise.
74         * score/score7.c (score7_output_mi_thunk): Likewise.
75         * mips/mips.c (mips_output_mi_thunk): Likewise.
76
77 2008-04-03  Richard Guenther  <rguenther@suse.de>
78
79         * tree-vrp.c (extract_range_from_unary_expr): Handle all
80         conversions.  Simplify code.
81
82 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
83
84         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
85
86 2008-04-03  Tom Tromey  <tromey@redhat.com>
87             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
88
89         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
90         * config/bfin/t-bfin-linux (generated_files): Add
91         linux-sysroot-suffix.h.
92         * doc/install.texi (Prerequisites): Require make 3.80.
93         * doc/sourcebuild.texi (Front End Directory): Document new
94         variable.
95         * Makefile.in (generated_files): New variable.
96         (ALL_HOST_OBJS): New variable.
97         ($(ALL_HOST_OBJS)): New target.
98
99 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
100
101         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
102         (remap_block): Call id->transform_lang_insert_block instead
103         of langhook.
104         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
105         Set id.transform_lang_insert_block to NULL.
106         (clone_body): Move to cp/optimize.c
107         * tree-inline.h (struct copy_body_data): Change
108         transform_lang_insert_block to function pointer.
109         (copy_generic_body, copy_decl_no_change): Export.
110         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
111         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
112         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
113
114         * c-tree.h (insert_block): Kill.
115         * c-decl.c (insert_block): Kill.
116
117 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
118
119         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
120         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
121         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
122         argument.
123         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
124         argument, call {push,pop}_function_context from here.
125         * c-parser.c: Use c_{push,pop}_function_context.
126
127         * function.c (push_function_context_to): Move meat ...
128         (push_function_context): ... here.  Simplify.
129         * function.c (pop_function_context_from): Move meat ...
130         (pop_function_context): ... here.  Simplify.
131         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
132         leave_nested).
133         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
134         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
135         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
136         * tree.h (push_function_context_to, pop_function_context_from): Remove.
137
138 2008-04-03  Ben Elliston  <bje@au.ibm.com>
139
140         * expmed.c (extract_force_align_mem_bit_field): Remove.
141
142 2008-04-03  Richard Guenther  <rguenther@suse.de>
143
144         PR middle-end/35800
145         * expr.h (try_casesi): Adjust prototype.
146         * expr.c (try_casesi): Take fallback label as extra parameter.
147         Use that for gen_casesi if default_label is NULL.
148         * stmt.c (expand_case): Pass fallback label to try_casesi,
149         make sure to fill gaps with a fallback label if default_label
150         is not present.
151
152 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
153
154         PR target/35801
155         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
156
157 2008-04-03  Ben Elliston  <bje@au.ibm.com>
158
159         * expmed.c (extract_split_bit_field): Remove if (0) code.
160         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
161         (do_ds_constraint): Likewise.
162
163 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
164
165         * doc/cppopts.texi (-dU): Document.
166         * c-common.h (flag_dump_macros): Update comment.
167         * c-opts.c (handle_OPT_d): Handle -dU.
168         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
169         dump_queued_macros, cb_used_define, cb_used_undef): New.
170         (init_pp_output): Handle -dU.
171         (cb_line_change): Call dump_queued_macros.
172         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
173
174 2008-04-02  Anatoly Sokolov <aesok@post.ru>
175
176         * config/avr/predicates.md (io_address_operand): New predicate. 
177         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
178         * config/avr/avr.c (avr_io_address_p): Remove function.
179         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
180         'avr_io_address_p' function.
181         (out_movhi_r_mr): (Ditto.).
182         (out_movqi_mr_r): (Ditto.).
183         (out_movhi_mr_r): (Ditto.).
184         (avr_address_cost): (Ditto.).
185
186 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
187
188         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
189         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
190         in 32bit mode when XMM registers are available to avoid store
191         forwarding stalls.
192         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
193         corresponding post-reload splitters.
194
195 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
196
197         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
198         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
199         __builtin_ia32_roundss.
200         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
201         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
202         __builtin_ia32_roundss.
203         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
204         IX86_BUILTIN_SHUFPD here.
205
206 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
207
208         * config/i386/i386.md (plogic): New.
209         (plogicprefix): Likewise.
210
211         * config/i386/mmx.md (mmx_<code><mode>3): New.
212         (mmx_and<mode>3): Removed.
213         (mmx_ior<mode>3): Likewise.
214         (mmx_xor<mode>3): Likewise.
215
216         * config/i386/sse.md (<code><mode>3): New.
217         (*<code><mode>3): Likewise.
218         (*<code><mode>3): Likewise.
219         (<code><mode>3): Likewise.
220         (*sse_<code><mode>3): Likewise.
221         (*sse2_<code><mode>3): Likewise.
222         (<code>tf3): Likewise.
223         (*<code>tf3): Likewise.
224         (and<mode>3): Likewise.
225         (*and<mode>3): Likewise.
226         (ior<mode>3): Removed.
227         (*ior<mode>3): Likewise.
228         (xor<mode>3): Likewise.
229         (*xor<mode>3): Likewise.
230         (*and<mode>3): Likewise.
231         (*ior<mode>3): Likewise.
232         (*xor<mode>3): Likewise.
233         (and<mode>3): Likewise.
234         (*sse_and<mode>3): Likewise.
235         (*sse2_and<mode>3): Likewise.
236         (andtf3): Likewise.
237         (*andtf3): Likewise.
238         (ior<mode>3): Likewise.
239         (*sse_ior<mode>3): Likewise.
240         (*sse2_ior<mode>3): Likewise.
241         (iortf3): Likewise.
242         (*iortf3): Likewise.
243         (xor<mode>3): Likewise.
244         (*sse_xor<mode>3): Likewise.
245         (*sse2_xor<mode>3): Likewise.
246         (xortf3): Likewise.
247         (*xortf3): Likewise.
248
249 2008-04-02  Richard Guenther  <rguenther@suse.de>
250
251         PR tree-optimization/14495
252         PR tree-optimization/34793
253         * tree-vrp.c (struct switch_update): New structure.
254         (to_remove_edges, to_update_switch_stmts): New VECs.
255         (simplify_switch_using_ranges): New function.  Remove not taken
256         case labels and edges.
257         (simplify_stmt_using_ranges): Call it.
258         (identify_jump_threads): Mark edges we have queued for removal
259         so we don't thread them.
260         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
261         case label vector.
262         * tree-cfg.c (group_case_labels): Deal with missing default label.
263         (tree_verify_flow_info): Allow missing default label.
264         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
265         (emit_case_nodes): Likewise.
266         (expand_case): Do not rely on the default label to be present.
267         * expr.c (try_casesi): Deal with NULL default_label.
268         (do_tablejump): Likewise.
269
270 2008-04-02  Richard Guenther  <rguenther@suse.de>
271
272         PR tree-optimization/14495
273         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
274         SWITCH_EXPR here ...
275         (vrp_visit_switch_stmt): ... but here (new function).
276         (find_case_label_index): New helper function.
277         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
278
279 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
280
281         * fwprop.c: Fix ISO-C99ism.
282
283 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
284
285         PR bootstrap/35752
286         * Makefile.in (objdir): Set it here.
287         * configure.ac: Not here.  Find dynamic linker characteristics.
288         * exec-tool.in: Use them.
289         * aclocal.m4: Regenerate.
290         * configure: Regenerate.
291
292 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
293
294         * expr.c (expand_var): Delete it.
295         * expr.h (expand_var): Delete prototype.
296         * function.c (expand_function_start): Use expand_decl instead.
297         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
298         langhook.
299
300 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
301
302         PR rtl-optimization/35542
303         * fwprop.c (forward_propagate_and_simplify): Replace
304         loc_reg_mentioned_in_p with reg_mentioned_p.
305
306 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
307
308         PR rtl-optimization/35281
309         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
310         (propagate_rtx_1): Handle PR_HANDLE_MEM.
311         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
312         (varying_mem_p): Move above propagate_rtx.
313         (all_uses_available_at): Do not check MEMs.
314
315 2008-04-02  Rafael Espindola  <espindola@google.com>
316
317         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
318         (register_edge_assert_for_2): Split the cond argument.
319         (register_edge_assert_for_1): Adjust for the change in
320         register_edge_assert_for_2.
321         (register_edge_assert_for): Split the cond argument.
322         (find_switch_asserts): Adjust for the change in
323         register_edge_assert_for.
324
325 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
326
327         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
328         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
329         offsets for 64-bit mingw.
330         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
331         abi for x86_64-pc-mingw.
332
333 2008-04-02  Richard Guenther  <rguenther@suse.de>
334
335         * tree-vrp.c (extract_range_from_assert): Make sure to not
336         produce range min/max with TREE_OVERFOW set.
337         If merging a anti-range and a range keep the anti-range if
338         the range covers all values of the type.
339         (register_edge_assert_for_2): Only allow sign-changing
340         conversions in detecting canonical range checks.  Also
341         register an assert for the unsigned name if useful.
342
343         PR tree-optimization/35787
344         * tree-vrp.c (vrp_val_max): New function.
345         (vrp_val_min): Likewise.
346         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
347         (vrp_val_is_min): Likewise.
348         (supports_overflow_infinity): Use vrp_val_{min,max}.
349         (negative_overflow_infinity): Likewise.
350         (positive_overflow_infinity): Likewise.
351         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
352         (is_positive_overflow_infinity): Likewise.
353         (is_overflow_infinity): Likewise.
354         (avoid_overflow_infinity): Use vrp_val_{min,max} and
355         vrp_val_is_{min,max}.
356         (set_and_canonicalize_value_range): Canonicalize anti-ranges
357         to ranges if possible.  Avoid empty ranges.
358
359 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
360
361         PR middle-end/35705
362         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
363         the expression is a function address.
364
365 2008-04-01  George Helffrich  <george@gcc.gnu.org>
366
367         PR fortran/PR35154, fortran/PR23057
368         * fortran/trans-common.c (create_common):  Add decl to function
369         chain to preserve identifier scope in debug output.
370
371         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
372         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
373         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
374         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
375         in common.
376         (dbxout_syms): Check for COMMON-based symbol and wrap in
377         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
378         in bracket for efficiency.
379
380         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
381         using DW_TAG_common_block + member offset.
382         (add_pubname_string): New function.
383         (dw_expand_expr): New function to find block name and offset for
384         COMMON var.
385         (common_check): New function to check whether symbol in Fortran COMMON.
386         (gen_variable_die): If COMMON, use DW_TAG_common_block.
387
388         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
389         use of common is unchanged.
390
391         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
392         with all combinations of debug options available on target.
393         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
394         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
395         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
396         .stabs functionality.
397         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
398         DWARF functionality.
399
400 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
401
402         PR c/35436
403         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
404
405 2008-04-02  Ben Elliston  <bje@au.ibm.com>
406
407         * config/v850/v850.md (casesi): Remove if (0) code.
408         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
409         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
410
411 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
412
413         * config/i386/i386.md (rex64suffix): New mode attribute.
414         (floathi<mode>2): Disable expander for SSE math.
415         (*floathi<mode>2_1): New insn insn_and_split pattern.
416         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
417         corresponding post-reload splitters.
418         (*floathi<mode>2_i387): New macroized insn pattern.
419         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
420         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
421         insn_and_split pattern.
422         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
423         New macroized instruction patterns and corresponding post-reload
424         splitters.
425         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
426         and corresponding post-reload splitters.
427         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
428         New macroized instruction patterns.
429         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
430         macroized instruction patterns and corresponding post-reload splitters.
431         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
432         corresponding post-reload splitters.
433         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
434         New macroized instruction patterns.
435         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
436         corresponding post-reload splitters.
437         (*floatsi<mode>2_i387): New macroized instruction patterns.
438
439 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
440
441         * config/i386/i386.md (smaxmin): New.
442         (umaxmin): Likewise.
443         (maxminiprefix): Likewise.
444         (maxminfprefix): Likewise.
445         (<code><mode>3): Likewise.
446         (smin<mode>3): Removed.
447         (smax<mode>3): Likewise.
448
449         * config/i386/mmx.md (mmx_<code>v2sf3): New.
450         (mmx_<code>v4hi3): Likewise.
451         (mmx_<code>v8qi3): Likewise.
452         (mmx_smaxv2sf3): Removed.
453         (mmx_sminv2sf3): Likewise.
454         (mmx_umaxv8qi3): Likewise.
455         (mmx_smaxv4hi3): Likewise.
456         (mmx_uminv8qi3): Likewise.
457         (mmx_sminv4hi3): Likewise.
458
459         * config/i386/sse.md (<addsub><mode>3): New.
460         (*<addsub><mode>3): Likewise.
461         (<sse>_vm<addsub><mode>3): Likewise.
462         (<maxmin><mode>3): Likewise.
463         (*<maxmin><mode>3_finite): Likewise.
464         (*<maxmin><mode>3): Likewise.
465         (<sse>_vm<maxmin><mode>3): Likewise.
466         (sse3_h<addsub>v4sf3): Likewise.
467         (sse3_h<addsub>v2df3): Likewise.
468         (<maxmin>v16qi3): Likewise.
469         (*<maxmin>v16qi3): Likewise.
470         (<maxmin>v8hi3): Likewise.
471         (*<maxmin>v8hi3): Likewise.
472         (*sse4_1_<maxmin><mode>3): Likewise.
473         (*sse4_1_<maxmin><mode>3): Likewise.
474         (add<mode>3): Removed.
475         (*add<mode>3): Likewise.
476         (<sse>_vmadd<mode>3): Likewise.
477         (sub<mode>3): Likewise.
478         (*sub<mode>3): Likewise.
479         (<sse>_vmsub<mode>3): Likewise.
480         (smin<mode>3): Likewise.
481         (*smin<mode>3_finite): Likewise.
482         (*smin<mode>3): Likewise.
483         (<sse>_vmsmin<mode>3): Likewise.
484         (smax<mode>3): Likewise.
485         (*smax<mode>3_finite): Likewise.
486         (*smax<mode>3): Likewise.
487         (<sse>_vmsmax<mode>3): Likewise.
488         (sse3_haddv4sf3): Likewise.
489         (sse3_haddv2df3): Likewise.
490         (sse3_hsubv4sf3): Likewise.
491         (sse3_hsubv2df3): Likewise.
492         (umaxv16qi3): Likewise.
493         (*umaxv16qi3): Likewise.
494         (smaxv8hi3): Likewise.
495         (*smaxv8hi3): Likewise.
496         (*sse4_1_smax<mode>3): Likewise.
497         (*sse4_1_umax<mode>3): Likewise.
498         (uminv16qi3): Likewise.
499         (*uminv16qi3): Likewise.
500         (sminv8hi3): Likewise.
501         (*sminv8hi3): Likewise.
502         (*sse4_1_smin<mode>3): Likewise.
503         (*sse4_1_umin<mode>3): Likewise.
504
505 2008-04-01  Rafael Espindola  <espindola@google.com>
506
507         * tree-cfg.c (verify_expr): remove in_phi.
508         (verify_stmt): Don't call walk_tree with verify_expr. Use
509         is_gimple_min_invariant instead of is_gimple_val.
510
511 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
512
513         * doc/include/gpl_v3.texi: Update for manpage generation.
514         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
515         gpl.texi.
516         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
517         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
518         gpl_v3.texi instead of gpl.texi.
519         (gpl.pod): New.
520
521 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
522
523         PR pch/13675
524         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
525
526 2008-04-01  Rafael Espindola  <espindola@google.com>
527
528         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
529         (extract_code_and_val_from_cond): Use
530         extract_code_and_val_from_cond_with_ops.
531
532 2008-04-01  Jan Hubicka  <jh@suse.cz>
533
534         * function.c (free_after_compilation): Free epilogue_delay_list.
535         (prepare_function_start): Assert that previous compilation was freed.
536
537 2008-04-01  Jan Hubicka  <jh@suse.cz>
538             Jim Wilson  <wilson@tuliptree.org>
539             Andreas Tobler <andreast@gcc.gnu.org>
540
541         PR middle-end/35781
542         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
543         rtl.emit instead cfun->emit.
544         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
545         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
546
547 2008-04-01  Ben Elliston  <bje@au.ibm.com>
548
549         * doc/c-tree.texi (Function Basics): Fix grammatical error.
550
551 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
552
553         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
554         New options
555         (fprofile-use): Add var flag_profile_use
556         * coverage.c (coverage_begin_output): Do not open a gcno file for
557         output only if -ftest-coverage is set.
558         Do not add getpwd() to gcda file path.
559         (build_gcov_info): Check the new flag
560         flag_profile_datafile_relative_path.
561         (coverage_init): Use profile_data_prefix.
562         Read profile counter only if flag_profile_use is set.
563         * opts.c (common_handle_option): New option fprofile-use=,
564         fprofile-dir=, fprofile-generate=.
565         * toplev.c (profile_data_prefix): New variable definition.
566         * toplev.h (profile_data_prefix): New declaration.
567         * doc/invoke.tex (Option Summary, Optimization Options):
568         Add new options.
569
570 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
571
572         * varasm.c (output_constant_pool_1): In LABEL_REF check,
573         use tmp consistently.
574
575         PR target/35695
576         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
577         * config/ia64/ia64.c (rtx_needs_barrier): Handle
578         UNSPEC_FR_RECIP_APPROX_RES.
579         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
580
581 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
582
583         PR c/35750
584         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
585
586 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
587
588         PR middle-end/30186
589         * fold-const.c (fold_indirect_ref_1): Support accessing non first
590         element of the vector via a pointer.
591
592 2008-03-31  Ian Lance Taylor  <iant@google.com>
593
594         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
595
596 2008-03-31  Jan Hubicka  <jh@suse.cz>
597
598         * builtins.c (expand_builtin_setjmp_receiver): Update call of
599         get_arg_pointer_save_area.
600         * expr.c (init_expr): Just clear out rtl.expr.
601         * function.c (free_after_compilation): Clear out whole RTL structure.
602         (get_func_frame_size): Merge into ...
603         (get_frame_size): ... this one.
604         (assign_stack_local_1): Merge into ...
605         (assign_stack_local): ... this one.
606         (expand_function_end): Update call of get_arg_pointer_save_area.
607         (get_art_pointer_save_area): Remove cfun argument.
608         * function.h (emit_status): regno_pointer_align does not need length
609         attribute. Move x_regno_reg_rtx to ...
610         (regno_reg_rtx): ... new global array.
611         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
612         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
613         apply_args_value, forced_labels, stack_pointer_delta):
614         Update accestors.
615         (struct varasm_status): Move here from varasm.c
616         (struct rtl_data): New. Move here some fields from struct function.
617         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
618         frame_offset, stack_check_probe_note, arg_pointer_save_area,
619         used_temp_slots avail_temp_slots, temp_slot_level,
620         nonlocal_goto_handler_labels): Update accesstors.
621         (rtl): New global variable.
622         (struct function): Move some fileds to rtl_data.
623         (get_arg_pointer_save_area): Update prototype.
624         * emit-rtl.c (rtl): Declare.
625         (regno_reg_rtx): Declare.
626         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
627         Update.
628         (gen_reg_rtx): Update.
629         (init_virtual_regs): Do not tate emit_status argument.
630         (init_emit): Do not allocate emit.
631         * varasm.c (varasm_statuc): Move to function.h.
632         (n_deferred_constatns): Update accestor.
633         (init_varasm_status): Do not allocate varasm_status.
634         (force_const_mem, get_pool_size, output_constant_pool): Update.
635         * stmt.c (force_label_rtx): Do not use x_ prefixes.
636         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
637
638 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
639
640         PR rtl-optimization/35729
641         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
642         references.
643
644 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
645
646         PR target/32000
647         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
648         load/store if memory is unaligned.
649         (*movti_rex64): Likewise.
650
651         * config/i386/predicates.md (misaligned_operand): New.
652
653 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
654
655         PR tree-opt/35431
656         * tree-ssa-phiopt.c (conditional_replacement): Return early for
657         complex types.
658
659 2008-03-31  Jan Beulich  <jbeulich@novell.com>
660
661         * config/ia64/constraints.md: Add 'j' constraint.
662         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
663         (movdi_internal): Likewise.
664
665 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
666
667         PR c/35748
668         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
669
670 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
671
672         PR target/35757
673         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
674         proper error message for the third argument on blendpd and
675         blendps.
676
677         * config/i386/sse.md (blendbits): New.
678         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
679
680 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
681
682         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
683
684 2008-03-30  Richard Guenther  <rguenther@suse.de>
685
686         PR middle-end/31023
687         * fold-const.c (fold_sign_changed_comparison): Do leave
688         conversions to base-types alone.
689
690 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
691
692         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
693         the link register if one altivec register is be saved.
694
695 2008-03-30  Ben Elliston  <bje@au.ibm.com>
696
697         * final.c (final_scan_insn): Remove if (0) code.
698
699 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
700
701         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
702
703 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
704
705         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
706         of V4SFmode to ix86_binary_operator_ok.
707
708 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
709
710         * config/i386/i386.c (override_options): Initialize
711         ix86_veclib_handler to ix86_veclibabi_svml when
712         -mveclibabi=svml is used.
713         (ix86_veclibabi_svml): New function for SVML ABI style
714         vectorization support.
715         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
716
717 2008-03-28  Rafael Espindola  <espindola@google.com>
718
719         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
720         (tree_binary_nonnegative_warnv_p): Make it public.
721         (tree_single_nonnegative_warnv_p): Make it public.
722         (tree_invalid_nonnegative_warnv_p): Make it public.
723         (tree_unary_nonzero_warnv_p): Make it public.
724         (tree_binary_nonzero_warnv_p): Make it public
725         (tree_single_nonzero_warnv_p): Make it public.
726         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
727         (extract_range_from_binary_expr): Split the expr argument.
728         (extract_range_from_unary_expr): Split the expr argument.
729         (extract_range_from_comparison): Split the expr argument.
730         (extract_range_from_expr): Use the new aux functions.
731         (vrp_evaluate_conditional_warnv): Use
732         vrp_evaluate_conditional_warnv_with_ops.
733         * tree.h (tree_unary_nonzero_warnv_p): Declare.
734         (tree_binary_nonzero_warnv_p): Declare.
735         (tree_single_nonzero_warnv_p): Declare.
736         (tree_expr_nonzero_warnv_p): Declare.
737         (tree_unary_nonnegative_warnv_p): Declare.
738         (tree_binary_nonnegative_warnv_p): Declare.
739         (tree_single_nonnegative_warnv_p): Declare.
740         (tree_invalid_nonnegative_warnv_p): Declare.
741
742 2008-03-28  Richard Guenther  <rguenther@suse.de>
743
744         PR tree-optimization/30317
745         PR tree-optimization/30911
746         PR tree-optimization/34793
747         * tree-vrp.c (set_and_canonicalize_value_range): New function.
748         (struct assert_locus_d): New member EXPR.
749         (register_new_assert_for): Add EXPR parameter to support
750         ASSERT_EXPR <name, expr OP limit>.
751         (register_edge_assert_for_1): Adjust callers.
752         (find_assert_locations): Likewise.
753         (process_assert_insertions_for): Build condition from expression.
754         (extract_range_from_assert): Handle ASSERT_EXPRs
755         of the form ASSERT_EXPR <name, expr OP limit>.
756         (register_edge_assert_for_2): New helper registering
757         asserts for comparisons.  Recognize range tests of the form
758         (unsigned)i - CST1 OP CST2.
759         (register_edge_assert_for_1): Use it.
760         (register_edge_assert_for): Likewise.
761         (needs_overflow_infinity): Integer sub-types
762         do not need overflow infinities.
763         (vrp_val_is_max): The extreme values of integer sub-types
764         are those of the base type.
765         (vrp_val_is_min): Likewise.
766         * tree.def (ASSERT_EXPR): Document extra allowed conditional
767         expressions.
768
769 2008-03-28  Nick Clifton  <nickc@redhat.com>
770
771         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
772         Return GENERAL_REGS for stack adjustment reloads.
773
774 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
775
776         PR target/31334
777         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
778         const_vector when all the vectors are constant.
779
780 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
781
782         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
783         comparisons.
784         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
785         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
786         (scc_sf): New.
787         (s<code>_sf): Use new scc_sf attribute for opcode names.
788
789 2008-03-27  Tom Tromey  <tromey@redhat.com>
790
791         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
792         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
793         config/spu/t-spu-elf, config/i386/t-interix,
794         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
795         config/i386/x-darwin, config/i386/x-mingw32,
796         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
797         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
798         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
799         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
800         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
801         config/rs6000/x-darwin, config/rs6000/t-rs6000,
802         config/score/t-score-elf, config/arm/t-strongarm-pe,
803         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
804         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
805         Revert automatic dependency patch.
806
807 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
808
809         PR target/35657
810         * config/i386/i386.c (ix86_function_arg_boundary): Align
811         decimal floating point to its natural boundary.
812
813 2008-03-27  Richard Guenther  <rguenther@suse.de>
814
815         PR middle-end/35716
816         * fold-const.c (fold_comparison): Restrict distinct decl
817         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
818         solely rely on operand_equal_p.
819
820 2008-03-27  Richard Guenther  <rguenther@suse.de>
821
822         PR c/32511
823         * c-common.c (handle_weak_attribute): Reject combination of
824         weak and inline.
825
826 2008-03-27  Richard Guenther  <rguenther@suse.de>
827
828         PR tree-optimization/32810
829         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
830         conversions from DECL_INITIAL.
831         (fold_const_aggregate_ref): Likewise from constructor elements.
832
833 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
834
835         * tree-affine.h (aff_combination_expand): Declare.
836         (get_inner_reference_aff): Likewise.
837         * tree-affine.c (aff_combination_expand): Split out from
838         tree_to_aff_combination_expand.
839         (get_inner_reference_aff): New function.
840         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
841         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
842         (struct lim_aux_data): sm_done field removed.
843         (mem_ref_loc_p, mem_ref_locs_p): New types.
844         (struct mem_ref): Added id, stored, accesses_in_loop,
845         indep_loop, dep_loop, indep_ref, dep_ref fields.
846         Removed is_stored, locs and next fields.
847         (memory_accesses): New variable.
848         (movement_possibility): Do not allow moving statements
849         that store to memory.
850         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
851         New functions.
852         (determine_max_movement): For statements with memory references,
853         find the outermost loop in that the reference is independent.
854         (move_computations_stmt): Mark the virtual operands for renaming.
855         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
856         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
857         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
858         add_vop_ref_mapping, create_vop_ref_mapping_loop,
859         create_vop_ref_mapping, analyze_memory_references,
860         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
861         get_all_locs_in_loop, ref_always_accessed_p,
862         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
863         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
864         store_motion_loop, store_motion): New functions.
865         (struct vop_to_refs_elt): New type.
866         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
867         memref_hash, memref_eq, hoist_memory_references): Rewritten.
868         (schedule_sm): Replaced by...
869         (execute_sm): ... this.
870         (determine_lsm_ref, hoist_memory_references,
871         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
872         find_more_ref_vops, free_mem_ref, free_mem_refs,
873         determine_lsm_loop, determine_lsm): Removed.
874         (tree_ssa_lim_finalize): Free data structures used by store motion.
875         (tree_ssa_lim): Call analyze_memory_references.  Use
876         store_motion instead of determine_lsm.
877
878 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
879
880         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
881         rename tmake_file to m68hc11/t-m68hc11.
882         (mcore): Set inhibit_libc to true.
883         * config.host (alpha*-dec-*vms*): Set extra_programs.
884         (interix3*): Don't use host_xmake_file.
885         * configure.ac: Let config.gcc override inhibit_libc.
886         * configure: Regenerate.
887
888         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
889         * config/t-openbsd-thread: Remove commented out lines.
890         
891         * config/x-interix: Remove.
892
893         * config/m68hc11/t-m68hc11-gas: Rename to...
894         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
895
896         * config/mcore/t-mcore: Remove T_CFLAGS.
897         * config/mcore/t-mcore-pe: Likewise.
898
899 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
900
901         * configure.ac: Replace custom __GNU_SOURCE test with
902         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
903         * aclocal.m4: Regenerate.
904         * configure: Regenerate.
905         * config.in: Regenerate.
906
907 2008-03-27  Richard Guenther  <rguenther@suse.de>
908
909         * fold-const.c (target.h): Include.
910         (fold_comparison): Fold comparison of addresses of decls
911         that bind locally or of constants.  Consolidate address folding code.
912         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
913         results from fold_binary_to_constant.
914         (compare_values_warnv): Likewise.
915
916 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
917
918         PR middle-end/35429
919         * fold-const.c (fold_truthop): Check for integeral types when folding
920         a == 0 && b == 0 and a != 0 || b != 0 .
921
922 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
923
924         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
925
926 2008-03-26  Andreas Schwab  <schwab@suse.de>
927
928         * doc/invoke.texi: Fix use of @item vs. @itemx.
929
930 2008-03-26  Tom Tromey  <tromey@redhat.com>
931
932         * Makefile.in (build/gensupport.o, build/print-rtl.o,
933         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
934         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
935         build/gencodes.o, build/genconditions.o, build/genconfig.o,
936         build/genconstants.o, build/genemit.o, build/genextract.o,
937         build/genflags.o, build/genmddeps.o, build/genopinit.o,
938         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
939         options.h.
940
941 2008-03-26  Richard Guenther  <rguenther@suse.de>
942
943         Revert
944         2008-03-26  Richard Guenther  <rguenther@suse.de>
945
946         * fold-const.c (target.h): Include.
947         (fold_comparison): Fold comparison of addresses of two decls
948         that bind locally.  Consolidate address folding code.
949
950 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
951
952         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
953         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
954         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
955         dconstsqrt2, dconstthird, dconste and/or dconst10.
956         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
957         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
958         dconstsqrt2, dconste): Delete.
959         (init_emit_once): Likewise.  Simplify initializing dconstm1.
960         Constify variable.
961         * real.c (get_real_const): New.
962         * real.h (dconst3, dconst10, dconstm2, dconstthird,
963         dconstsqrt2, dconste): Delete.
964         (real_value_const, get_real_const): New.
965
966 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
967
968         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
969
970         * config/i386/i386.c (ix86_function_arg_boundary): Check
971         BIGGEST_ALIGNMENT instead of 128.
972         (setup_incoming_varargs_64): Likewise.
973
974 2008-03-26  Tom Tromey  <tromey@redhat.com>
975
976         * Makefile.in (DEPFILES): Add missing '/'.
977
978 2008-03-26  Richard Guenther  <rguenther@suse.de>
979
980         * fold-const.c (target.h): Include.
981         (fold_comparison): Fold comparison of addresses of two decls
982         that bind locally.  Consolidate address folding code.
983
984 2008-03-26  Nick Clifton  <nickc@redhat.com>
985
986         PR target/31232
987         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
988         not allow INT+INT as a legitimate addressing mode.
989
990 2008-03-26  Richard Guenther  <rguenther@suse.de>
991
992         * tree-flow.h (widen_bitfield): Remove declaration.
993         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
994         (widen_bitfield): Remove function.
995         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
996         code.
997
998 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
999
1000         PR target/31558
1001         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1002         error_mark_node's.
1003
1004 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1005
1006         PR rtl-optimization/35232
1007         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1008         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1009         reg_reloaded_call_part_clobbered here.
1010         (reload_regs_reach_end_p): New function.
1011         (reload_reg_rtx_for_input): New variable.
1012         (reload_reg_rtx_for_output): Likewise.
1013         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1014         when reassigning a pseudo register.  Load reloadreg from 
1015         reload_reg_rtx_for_input, moving the mode and register
1016         calculation to...
1017         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1018         instead of the original when deciding whether an input reload
1019         would be a no-op or whether an output reload can be deleted.
1020         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1021         when setting up new_spill_reg_store.  Load it from
1022         reload_reg_rtx_for_output, moving the mode and register
1023         calculation to...
1024         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1025         instead of the original when deciding whether an output reload
1026         would be a no-op.  Do the same when modifying insn notes.
1027         Use rtx_equal_p instead of == to compare the registers.
1028         (inherit_piecemeal_p): Take a mode and two register numbers
1029         as argument.
1030         (emit_reload_insns): Clear new_spill_reg_store for every hard
1031         register in the reload register.  Remove spill registers
1032         from reg_reloaded_valid before considering whether to record
1033         inheritance information for them.  Use reload_reg_rtx_for_output
1034         instead of reg_rtx when recording output reloads.  Use
1035         reload_reg_rtx_for_input instead of reg_rtx when recording
1036         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1037         at the same time as setting reg_reloaded_valid.
1038         (delete_output_reload): Add a new_reload_reg parameter and use it
1039         instead of rld[j].reg_rtx.
1040         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1041         calls accordingly.
1042
1043 2008-03-25  Tom Tromey  <tromey@redhat.com>
1044
1045         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1046         (build/genattr.o): Likewise.
1047         (build/genattrtab.o): Likewise.
1048         (build/gencodes.o): Likewise.
1049         (build/genconfig.o): Likewise.
1050         (build/genconstants.o): Likewise.
1051         (build/genemit.o): Likewise.
1052         (build/genextract.o): Likewise.
1053         (build/genflags.o): Likewise.
1054
1055 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1056         
1057         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1058         instead of size_int for integer types.
1059         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1060         to match type of MINUS_EXPR.
1061         
1062 2008-03-25  Tom Tromey  <tromey@redhat.com>
1063
1064         * configure: Rebuilt.
1065         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1066         Makefile.
1067
1068 2008-03-25  Tom Tromey  <tromey@redhat.com>
1069
1070         * config/x-solaris (host-solaris.o): Update.
1071         * config/x-linux (host-linux.o): Update.
1072         * config/x-hpux (host-hpux.o): Update.
1073         * config/x-darwin (host-darwin.o): Update.
1074         * config/v850/t-v850e (v850-c.o): Update.
1075         * config/v850/t-v850 (v850-c.o): Update.
1076         * config/t-vxworks (vxworks.o): Update.
1077         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1078         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1079         * config/spu/t-spu-elf (spu-c.o): Update.
1080         (spu.o): Remove.
1081         * config/sh/t-symbian (sh-c.o): Update.
1082         (symbian.o): Update.
1083         * config/sh/t-sh (sh-c.o): Update.
1084         * config/score/t-score-elf (score7.o, score3.o): Update.
1085         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1086         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1087         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1088         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1089         (rs6000.o): Remove.
1090         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1091         * config/m32c/t-m32c (m32c-pragma.o): Update.
1092         * config/ia64/t-ia64 (ia64-c.o): Update.
1093         * config/i386/x-mingw32 (host-mingw32.o): Update.
1094         * config/i386/x-i386 (driver-i386.o): Update.
1095         * config/i386/x-darwin (host-i386-darwin.o): Update.
1096         * config/i386/x-cygwin (host-cygwin.o): Update.
1097         * config/i386/t-nwld (nwld.o): Update.
1098         * config/i386/t-netware (netware.o): Update.
1099         * config/i386/t-interix (winnt.o): Update.
1100         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1101         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1102         msformat-c.o): Update.
1103         * config/bfin/t-bfin-linux (generated_files): Add
1104         linux-sysroot-suffix.h.
1105         * config/arm/t-wince-pe (pe.o): Update.
1106         * config/arm/t-strongarm-pe (pe.o): Update.
1107         * config/arm/t-pe (pe.o): Update.
1108         * config/arm/t-arm (arm-c.o): Update.
1109         * doc/install.texi (Prerequisites): Require make 3.80.
1110         * Makefile.in: Remove .o targets.
1111         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1112         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1113         (simple_generated_h, simple_generated_c): Move earlier.
1114         (generated_files): New variable.
1115         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1116         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1117         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1118         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1119         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1120         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1121         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1122         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1123         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1124         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1125         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1126         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1127         (.c.o): Remove.
1128         (COMPILE.base, COMPILE): New variables.
1129         (%.o): New pattern rule.
1130         (ALL_HOST_OBJS): New variable.
1131         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1132         (dummy-checksum.o, cc1-checksum.o): Remove.
1133         (DRIVER_SHLIB): New variable.
1134         (DRIVER_DEFINES): Use it.
1135         (gencondmd.c): Move out of build/.
1136         (s-conditions): Update.
1137         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1138         (ALL_BUILD_OBJS): Likewise.
1139         (build/%.o): Use BUILDCOMPILE.
1140         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1141         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1142         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1143         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1144         build/genconfig.o, build/genconstants.o, build/genemit.o,
1145         build/genextract.o, build/genflags.o, build/genmddeps.o,
1146         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1147         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1148         build/gen-protos.o, build/scan.o, build/fix-header.o,
1149         build/scan-decls.o): Simplify.
1150         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1151         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1152         prefix.o, toplev.o): Reduce to variable setting.
1153         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1154         ($(out_object_file), gcc-options.o): New targets.
1155         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1156         * configure: Rebuilt.
1157         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1158         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1159
1160 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1161
1162         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1163         complain when we hit an error, return ERROR_MARK_NODE.
1164
1165 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1166
1167         * config/sh/constraints.md (Pso, Psz): New constraints.
1168         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1169         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1170
1171 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1172
1173         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1174         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1175
1176 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1177
1178         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1179         (prefetch_sh2a): New.   
1180
1181 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1182             Naveen.H.S  <naveen.hs@kpitcummins.com>
1183
1184         * config/sh/constraints.md (I28): New constraint.
1185         * config/sh/sh.c (broken_move): Add support for movi20s.
1186         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1187
1188 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1189             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1190             Naveen.H.S  <naveen.hs@kpitcummins.com>
1191
1192         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1193         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1194         (print_operand): Handle resbank in %@ operand code.
1195         (sh_encode_section_info): New.
1196         (push_regs): Add conditions for resbank.
1197         (sh_expand_epilogue): Likewise.
1198         (sh_insert_attributes): Likewise.
1199         (sh_attribute_table): Likewise.
1200         (sh_handle_resbank_handler_attribute): New.
1201         (sh2a_handle_function_vector_handler_attribute): New.
1202         (sh2a_is_function_vector_call): New.
1203         (sh2a_get_function_vector_number): New.
1204         (sh2a_function_vector_p): New.
1205         (sh_cfun_resbank_handler_p): New.
1206         * config/sh/sh.md (calli): Emit jsr/n if possible.
1207         (calli_tbr_rel): New.
1208         (calli_pcrel): Emit jsr/n if possible.
1209         (return_i): Emit rts/n if possible.
1210         (call_valuei_tbr_rel): New.
1211         (call_valuei_pcrel): Add condition for SH2A target.
1212         (call_value): Likewise.
1213         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1214         (sh2a_get_function_vector_number): Likewise.
1215         (sh2a_is_function_vector_call): Likewise.
1216         * doc/extend.texi: Document TBR relative addressing of SH2A.
1217         (resbank): Add description for SH2A.
1218
1219 2008-03-24  Richard Guenther  <rguenther@suse.de>
1220
1221         PR c/22371
1222         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1223         pointer assignments change conversions according to middle-end rules.
1224         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1225         * configure.ac: Include type checking in yes.
1226         * configure: Regenerate.
1227
1228 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1229
1230         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1231         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1232         
1233 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1234
1235         * gthr-vxworks.h (UNUSED): Define.
1236
1237 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1238
1239         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1240
1241 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1242
1243         * doc/extend.texi (Function Attributes): Add missing comma in the
1244         example of the "alloc_size" attribute.
1245         
1246 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1247
1248         Revert:
1249         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1250
1251         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1252         32bit host.
1253
1254         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1255
1256         PR target/35496
1257         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1258         of the underlying type of a MS bitfield layout to the natural
1259         alignment of the type.
1260
1261         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1262
1263         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1264         to their natural alignment to avoid store forwarding stalls.
1265
1266 2008-03-22  Richard Guenther  <rguenther@suse.de>
1267
1268         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1269         For PHI nodes verify the address is invariant.
1270         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1271         (get_symbol_constant_value): Use is_gimple_min_invariant.
1272         (maybe_fold_stmt_indirect): Likewise.
1273
1274 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1275
1276         PR rtl-optimization/33927
1277         * Makefile.in (dse.o): Depend on $(TM_P_H).
1278         * expr.h (extract_low_bits): Declare.
1279         * expmed.c (extract_low_bits): New function.
1280         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1281         * dse.c: Include tm_p.h.
1282         (find_shift_sequence): Remove the read_reg argument and return the
1283         read value.  Emit the instructions instead of returning them.
1284         Iterate on new_mode rather than calculating it each time.
1285         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1286         source to NEW_MODE and extract_low_bits to convert the shifted
1287         value to READ_MODE.
1288         (replace_read): Allow the load and store to have different mode
1289         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1290         or extraction instructions before trying the replacement.  Update
1291         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1292
1293 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1294
1295         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1296         to their natural alignment to avoid store forwarding stalls.
1297
1298 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1299
1300         PR target/27946
1301         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1302         encouraging but not allowing gprs for input;
1303         change the input constraint to !f#r.
1304         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1305         gprs for output;
1306         change the output constraint to !f#r.
1307
1308 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1309
1310         PR target/13958
1311         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1312         corresponding post-reload splitters.
1313         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1314         when x87 FP math is selected.
1315         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1316         New function prototype.
1317         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1318         unreachable function to ease macroization of insn patterns.
1319
1320 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1321
1322         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1323         reference dumps if ddr is NULL or dependence is unknown.
1324
1325 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1326
1327         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1328         unsigned extension into account.
1329         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1330         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1331         Do computations on a scratch register.
1332
1333 2008-03-21  Richard Guenther  <rguenther@suse.de>
1334
1335         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1336         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1337         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1338         * tree-ssa-dom.c (record_equality): Likewise.
1339         * tree-inline.c (copy_body_r): Likewise.
1340         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1341         TREE_INVARIANT.
1342
1343 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1344
1345         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1346         as 'delete_unused' argument.
1347
1348 2008-03-20  Richard Guenther  <rguenther@suse.de>
1349
1350         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1351         special casing of constant qualifiers.
1352         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1353         care about them in general.
1354         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1355         regardless of their type.
1356         (fold_stmt_r): Forcefully fold *& if we end up with that.
1357
1358 2008-03-20  Paul Brook  <paul@codesourcery.com>
1359
1360         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1361         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1362         linker flags.
1363         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1364         definition.
1365         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1366         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1367
1368 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1369
1370         * common.opt (Wmudflap): New option.
1371         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1372         (mx_register_decls): Likewise.
1373         (mudflap_finish_file): Likewise.
1374         * doc/invoke.texi: Document -Wno-mudflap.
1375
1376 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1377
1378         * c-format.c (replace_format_name_to_system_name): New.
1379         (cmp_attribs): New.
1380         (convert_format_name_to_system_name): New.
1381         (decode_format_attr): Add use of convert_format_name_to_system_name.
1382         (format_types_orig): Add gnu_ prefix to names.
1383         (check_format_info_main): Special treating of \0 escaped names for
1384         supporting multi-character format specifiers as I32, I64.
1385         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1386         (gnu_target_overrides_format_attributes): New.
1387         * c-format.h: Add structure target_ovr_attr to hold
1388         system specific formatter names.
1389         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1390         msformat-c.o file to c_target_objs and cxx_target_objs.
1391         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1392         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1393         (TARGET_N_FORMAT_TYPES): New.
1394         * config/i386/msformat-c.c: New.
1395         * config/i386/t-cygming: Add build rule for msformat-c.o.
1396         * doc/extend.texi: Add new format names gnu_* and ms_* and
1397         further details.
1398         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1399
1400 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1401
1402         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1403         optimizations turned on under -O3.
1404         (ftree-vectorize): Add that the flag is turned on with -O3.
1405
1406 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1407
1408         * regmove.c (try_auto_increment): Fix spelling error in comment.
1409         * final.c (final_scan_insn): Likewise.
1410
1411 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1412
1413         PR target/14552
1414         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1415         allocator preferences for "y" and "r" class registers.
1416         ("*mov<mode>_internal"): Ditto.
1417         ("*movv2sf_internal_rex64"): Ditto.
1418         ("*movv2sf_internal"): Ditto.
1419
1420 2008-03-19  Michael Matz  <matz@suse.de>
1421
1422         PR middle-end/35616
1423         * calls.c (expand_call): Check overlap of arguments with call
1424         address for sibcalls.
1425
1426 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1427
1428         PR target/35496
1429         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1430         of the underlying type of a MS bitfield layout to the natural
1431         alignment of the type.
1432
1433 2008-03-19  Jan Hubicka  <jh@suse.cz>
1434
1435         PR other/35094
1436         * toplev.c (decode_d_option): Handle all CPP flags.
1437         * tree-vrp.c: Update tree_pass descriptors.
1438         * regrename.c: Update tree_pass descriptors.
1439         * fwprop.c: Update tree_pass descriptors.
1440         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1441         * tree-into-ssa.c: Update tree_pass descriptors.
1442         * tree-dump.c: Update tree_pass descriptors.
1443         * tree-complex.c: Update tree_pass descriptors.
1444         * tree-dump.h: Update tree_pass descriptors.
1445         * see.c: Update tree_pass descriptors.
1446         * cgraphbuild.c: Update tree_pass descriptors.
1447         * tracer.c: Update tree_pass descriptors.
1448         * tree-loop-distribution.c: Update tree_pass descriptors.
1449         * cgraph.c: Update tree_pass descriptors.
1450         * postreload-gcse.c: Update tree_pass descriptors.
1451         * postreload.c: Update tree_pass descriptors.
1452         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1453         * tree-tailcall.c: Update tree_pass descriptors.
1454         * tree-pass.h (tree_opt_pass): Rename to ...
1455         (opt_pass) ... this one; add "type" field and remove letter field.
1456         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1457         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1458         all_lowering_passes): Update declaration.
1459         * ipa-cp.c: Update tree_pass descriptors.
1460         * final.c: Update tree_pass descriptors.
1461         * omp-low.c: Update tree_pass descriptors.
1462         * tree-ssa-dse.c: Update tree_pass descriptors.
1463         * ipa-reference.c: Update tree_pass descriptors.
1464         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1465         * auto-inc-dec.c: Update tree_pass descriptors.
1466         * reorg.c: Update tree_pass descriptors.
1467         * cgraphunit.c: Update tree_pass descriptors.
1468         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1469         * tree-ssa-ccp.c: Update tree_pass descriptors.
1470         * df-core.c: Update tree_pass descriptors.
1471         * mode-switching.c: Update tree_pass descriptors.
1472         * tree-nomudflap.c: Update tree_pass descriptors.
1473         * modulo-sched.c: Update tree_pass descriptors.
1474         * ipa-pure-const.c: Update tree_pass descriptors.
1475         * cse.c: Update tree_pass descriptors.
1476         * web.c: Update tree_pass descriptors.
1477         * tree-stdarg.c: Update tree_pass descriptors.
1478         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1479         * tree-ssa-dom.c: Update tree_pass descriptors.
1480         * tree-nrv.c: Update tree_pass descriptors.
1481         * tree-ssa-alias.c: Update tree_pass descriptors.
1482         * loop-init.c: Update tree_pass descriptors.
1483         * gimple-low.c: Update tree_pass descriptors.
1484         * ipa-inline.c: Update tree_pass descriptors.
1485         * tree-ssa-sink.c: Update tree_pass descriptors.
1486         * global.c: Update tree_pass descriptors.
1487         * ifcvt.c: Update tree_pass descriptors.
1488         * jump.c: Update tree_pass descriptors.
1489         * predict.c: Update tree_pass descriptors.
1490         * tree-ssa-loop.c: Update tree_pass descriptors.
1491         * recog.c: Update tree_pass descriptors.
1492         * dse.c: Update tree_pass descriptors.
1493         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1494         * tree-eh.c: Update tree_pass descriptors.
1495         * regmove.c: Update tree_pass descriptors.
1496         * local-alloc.c
1497         * function.c: Update tree_pass descriptors.
1498         * tree-vectorizer.c: Update tree_pass descriptors.
1499         * gcse.c: Update tree_pass descriptors.
1500         * ipa-type-escape.c: Update tree_pass descriptors.
1501         * tree-if-conv.c: Update tree_pass descriptors.
1502         * init-regs.c: Update tree_pass descriptors.
1503         * ipa.c: Update tree_pass descriptors.
1504         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1505         * rtl-factoring.c: Update tree_pass descriptors.
1506         * lower-subreg.c: Update tree_pass descriptors.
1507         * bt-load.c: Update tree_pass descriptors.
1508         * tree-dfa.c: Update tree_pass descriptors.
1509         * except.c: Update tree_pass descriptors.
1510         * emit-rtl.c: Update tree_pass descriptors.
1511         * cfgexpand.c: Update tree_pass descriptors.
1512         * tree-cfgcleanup.c: Update tree_pass descriptors.
1513         * cfgcleanup.c: Update tree_pass descriptors.
1514         * tree-ssa-pre.c: Update tree_pass descriptors.
1515         * tree-sra.c: Update tree_pass descriptors.
1516         * tree-mudflap.c: Update tree_pass descriptors.
1517         * tree-ssa-copy.c: Update tree_pass descriptors.
1518         * cfglayout.c: Update tree_pass descriptors.
1519         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1520         * tree-ssa-dce.c: Update tree_pass descriptors.
1521         * tree-ssa.c: Update tree_pass descriptors.
1522         * regclass.c: Update tree_pass descriptors.
1523         * integrate.c: Update tree_pass descriptors.
1524         * tree-optimize.c: Update tree_pass descriptors.
1525         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1526         * tree-object-size.c: Update tree_pass descriptors.
1527         * combine.c: Update tree_pass descriptors.
1528         * tree-outof-ssa.c: Update tree_pass descriptors.
1529         * bb-reorder.c: Update tree_pass descriptors.
1530         * stack-ptr-mod.c: Update tree_pass descriptors.
1531         * var-tracking.c: Update tree_pass descriptors.
1532         * tree-profile.c: Update tree_pass descriptors.
1533         * tree-vect-generic.c: Update tree_pass descriptors.
1534         * reg-stack.c: Update tree_pass descriptors.
1535         * sched-rgn.c: Update tree_pass descriptors.
1536         * tree-ssa-structalias.c: Update tree_pass descriptors.
1537         * tree-cfg.c: Update tree_pass descriptors.
1538         * passes.c (current_pass): Update declaration.
1539         (finish_optimization_passes): Update.
1540         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1541         (register_one_dump_file, register_dump_files_1, next_pass_1):
1542         Update arguments.
1543         (init_optimization_passes): Update handling of new types.
1544         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1545         * ipa-struct-reorg.c: Update tree_pass descriptors.
1546         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1547         * combine-stack-adj.c: Update tree_pass descriptors.
1548         * cfgrtl.c: Update tree_pass descriptors.
1549         * dce.c: Update tree_pass descriptors.
1550         * tree-ssanames.c: Update tree_pass descriptors.
1551
1552 2008-03-19  Richard Guenther  <rguenther@suse.de>
1553
1554         PR middle-end/35609
1555         * tree-ssa.c (walk_data): New structure.
1556         (warn_uninitialized_var): If not always_executed warn with "maybe"
1557         instead of "is".
1558         (execute_early_warn_uninitialized): Compute post-dominators.
1559         Initialize always_executed before processing each basic block.
1560
1561 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1562
1563         PR target/35504
1564         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1565         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1566
1567 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1568
1569         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1570
1571 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1572
1573         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1574         is true.
1575         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1576         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1577         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1578         target after ignore has been set, and move there also the commputation
1579         of subtarget and original_target.
1580         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1581         (LANG_HOOKS_INITIALIZER): Remove it.
1582         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1583
1584 2008-03-18  Richard Guenther  <rguenther@suse.de>
1585
1586         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1587         found an expression with constants, note that in the VN for the lhs.
1588         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1589         fold them to constants if possible.  Run cleanup_cfg if done so.
1590         (execute_pre): Return todo.
1591         (do_pre): Likewise.
1592         (execute_fre): Likewise.
1593         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1594         of constants.
1595         (get_prop_source_stmt): Look through pointer conversions.
1596
1597 2008-03-18  Jan Hubicka  <jh@suse.cz>
1598
1599         * tree-pretty-print.c: Include predict.h.
1600         (dump_generic_node): Dump predictor.
1601         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1602         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1603         * gimple-low.c (lower_stmt): Likewise.
1604         * expr.c (expand_expr_real): Likewise.
1605         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1606         them.
1607         (build_predict_expr, build_predict_expr): New.
1608         * predict.h (predictor_name, build_predict_expr): Update.
1609         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1610         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1611         * predict.def (PRED_CONTINUE): Update hitrate.
1612         * tree.def (PREDICT_EXPR): Define.
1613         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1614         do not handle BIND_EXPR.
1615         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1616         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1617         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1618         operands.
1619
1620 2008-03-18  Michael Matz  <matz@suse.de>
1621
1622         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1623
1624 2008-03-18  Richard Guenther  <rguenther@suse.de>
1625
1626         * tree-gimple.h (is_gimple_invariant_address): Declare.
1627         (is_gimple_constant): Likewise.
1628         * tree-gimple.c (is_gimple_constant): New function.
1629         (is_gimple_invariant_address): Likewise.
1630         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1631         and is_gimple_invariant_address.
1632         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1633         previous change.
1634         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1635         an addressable base.
1636
1637 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1638
1639         PR middle-end/35611
1640         * gimplify.c (gimplify_expr): Gimplify second operand of
1641         OMP_ATOMIC_LOAD.
1642
1643 2008-03-17  Richard Guenther  <rguenther@suse.de>
1644
1645         PR tree-optimization/19637
1646         * fold-const.c (fold_unary): Remove restrictions of removing
1647         intermediate pointer-conversions (P2)(P1)P0.
1648         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1649         conversion to void pointer.
1650         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1651
1652 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1653
1654         PR debug/31510
1655         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1656         emulated thread local variables.
1657
1658 2008-03-16  Richard Guenther  <rguenther@suse.de>
1659
1660         PR middle-end/35607
1661         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1662         expand TREE_INVARIANT operations that are not gimple invariant.
1663
1664 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1665
1666         * doc/extend.texi (Alignment): Say that the ABI controls
1667         the __alignof__ for non-strict-alignment targets rather
1668         than being a recommendation.
1669
1670 2008-03-15  Paul Brook  <paul@codesourcery.com>
1671
1672         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1673         annotations.
1674         (arm_output_fn_unwind): Mark functions that can not be unwound.
1675
1676 2008-03-15  Paul Brook  <paul@codesourcery.com>
1677
1678         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1679         extension instructions.
1680
1681 2008-03-15  Richard Guenther  <rguenther@suse.de>
1682
1683         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1684         and fold constant aggregate refs.
1685         (fold_const_aggregate_ref): Handle string constants
1686         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1687         (evaluate_stmt): Simplify now that ccp_fold folds constant
1688         aggregate refs.
1689
1690 2008-03-15  Paul Brook  <paul@codesourcery.com>
1691
1692         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1693         (extzv): Use gen_extzv_t2.
1694         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1695
1696 2008-03-15  Richard Guenther  <rguenther@suse.de>
1697
1698         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1699         (fold_const_aggregate_ref): Likewise.
1700         (get_value): Return NULL if we don't have any values.
1701         (ccp_finalize): Set const_val to NULL after freeing it.
1702         * tree-flow.h (get_symbol_constant_value): Declare.
1703         (fold_const_aggregate_ref): Likewise.
1704         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1705
1706 2008-03-15  Richard Guenther  <rguenther@suse.de>
1707
1708         PR middle-end/35593
1709         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1710         to not produce negative array indices if not allowed.  Add
1711         parameter to indicate that.
1712         (maybe_fold_offset_to_component_ref): Allow negative array
1713         indices only for the first member of a structure.
1714         (maybe_fold_offset_to_reference): Allow negative array indices.
1715         (maybe_fold_stmt_addition): Likewise.
1716
1717 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1718             Anatoly Sokolov <aesok@post.ru>
1719
1720         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1721         (avr_arch): Add ARCH_AVR6.
1722         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1723         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1724         instead of fixed value 2.
1725         (print_operand_address): Use gs() asm specifier instead of pm().
1726         (avr_assemble_integer): (Ditto.).
1727         (avr_output_addr_vec_elt): (Ditto.).
1728         (print_operand): Handle "!" code.
1729         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1730         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1731         (AVR_HAVE_EIJMP_EICALL): Define.
1732         (AVR_3_BYTE_PC): Redefine.
1733         (AVR_2_BYTE_PC): (Ditto.).
1734         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1735         (LINK_SPEC): Add atmega2560 and atmega2561.
1736         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1737         (crtm2561.o).
1738         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1739         for 3 byte PC devices.
1740         (call_value_insn): (Ditto.).
1741         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1742         (indirect_jump): Use only for for 2 byte PC devices.
1743         (*tablejump): (Ditto.).
1744         (*indirect_jump_avr6): Add insn.
1745         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1746         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1747         instead of ijmp for 3 byte PC devices.
1748         (__tablejump2__): (Ditto.).
1749         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1750         (MULITLIB_DIRNAMES): (Ditto.). 
1751         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1752
1753 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1754
1755         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1756         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1757         ("mmx_psadbw"): Use V1DI mode for operand 0.
1758         * config/i386/i386-modes.def (V1SI): New vector mode.
1759         * config/i386/i386.c (struct builtin_description)
1760         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1761         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1762         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1763         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1764         v1di_ftype_v8qi_v8qi type.
1765         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1766
1767         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1768         __builtin_ia32_pmuludq]: Fix the mode of return value.
1769
1770 2008-03-15  Richard Guenther  <rguenther@suse.de>
1771
1772         PR middle-end/35595
1773         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1774         being a PHI_NODE.
1775
1776 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1777         
1778         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1779         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1780         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1781         unless TARGET_SERIALIZE_VOLATILE is enabled.
1782         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1783         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1784         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1785
1786 2008-03-14  Richard Guenther  <rguenther@suse.de>
1787
1788         PR tree-optimization/34172
1789         * tree-flow.h (refs_may_alias_p): Declare.
1790         (get_single_def_stmt): Likewise.
1791         (get_single_def_stmt_from_phi): Likewise.
1792         (get_single_def_stmt_with_phi): Likewise.
1793         * tree-dfa.c (refs_may_alias_p): New function.
1794         (get_single_def_stmt): Likewise.
1795         (get_single_def_stmt_from_phi): Likewise.
1796         (get_single_def_stmt_with_phi): Likewise.
1797         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1798         (vn_reference_lookup_1): New helper function.
1799         (vn_reference_lookup): Walk the virtual use-def chain to
1800         continue searching for a match if the def does not alias the
1801         reference we are looking for.
1802
1803 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1804
1805         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1806         archive and Perzl.  Update The Written Word listing.
1807
1808 2008-03-14  Richard Guenther  <rguenther@suse.de>
1809
1810         PR tree-optimization/34043
1811         PR tree-optimization/33989
1812         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1813         when doing FRE.
1814         (bitmap_find_leader): Use extra argument to verify dominance
1815         relationship inside a basic-block.
1816         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1817         (find_leader_in_sets): Adjust.
1818         (create_component_ref_by_pieces): Take extra argument for
1819         dominance check, handle lookup failures.
1820         (find_or_generate_expression): Likewise.
1821         (create_expression_by_pieces): Likewise.
1822         (insert_into_preds_of_block): Adjust.
1823         (create_value_expr_from): If asked for, verify all operands
1824         are in the blocks AVAIL_OUT set.
1825         (make_values_for_stmt): Check for SSA_NAMEs that are life
1826         over an abnormal edge.
1827         (compute_avail): Remove such check.
1828         (do_SCCVN_insertion): New function.
1829         (eliminate): If we do not find a leader suitable for replacement
1830         insert a replacement expression from SCCVN if available.
1831         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1832         (struct vn_ssa_aux): Add needs_insertion flag.
1833         * tree-ssa-sccvn.c (may_insert): New global flag.
1834         (copy_reference_ops_from_ref): Value-number union member access
1835         based on its size, not type and member if insertion is allowed.
1836         (visit_reference_op_load): For a weak match from union type
1837         punning lookup a view-converted value and insert a SSA_NAME
1838         for that value if that is not found.
1839         (visit_use): Make dumps shorter.  Do not disallow value numbering
1840         SSA_NAMEs that are life over an abnormal edge to constants.
1841         (free_scc_vn): Release inserted SSA_NAMEs.
1842         (run_scc_vn): New flag to specify whether insertion is allowed.
1843         Process SSA_NAMEs in forward order.
1844         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1845         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1846         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1847         pointer type to/from integral types that do not change the
1848         precision to regular conversions.
1849
1850 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1851
1852         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1853         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1854         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1855         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1856         input arguments and the mode of return value.  Built-in functions
1857         that operate on whole 64-bit MMX register now use V1DI mode.
1858
1859 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1860             Olga Golovanevsky  <olga@il.ibm.com>
1861
1862         PR tree-optimization/35041
1863         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1864         to locate the right position in a statement.
1865
1866 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         PR target/34000
1869         PR target/35553
1870         * config/i386/xmmintrin.h:  Change all static inline functions to
1871         extern inline and add __gnu_inline__ attribute.
1872         * config/i386/bmintrin.h: Ditto.
1873         * config/i386/smmintrin.h: Ditto.
1874         * config/i386/tmmintrin.h: Ditto.
1875         * config/i386/mmintrin-common.h: Ditto.
1876         * config/i386/ammintrin.h: Ditto.
1877         * config/i386/emmintrin.h: Ditto.
1878         * config/i386/pmmintrin.h: Ditto.
1879         * config/i386/mmintrin.h: Ditto.
1880         * config/i386/mm3dnow.h: Ditto.
1881
1882 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1883
1884         PR middle-end/35185
1885         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1886         (lower_omp_2): New function.
1887         (lower_omp_1, lower_omp): Rewritten.
1888
1889 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1890
1891         PR 35054
1892         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1893         with the phrase "Microsoft Windows compilers".
1894         (Push/Pop Macro Pragmas): New subsection. Document
1895         #pragma push_macro and pragma pop_macro.
1896
1897 2008-03-12  Paul Brook  <paul@codesourcery.com>
1898
1899         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1900
1901 2008-03-12  Paul Brook  <paul@codesourcery.com>
1902
1903         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1904         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1905         (thumb2_addsi_shortim): Rename ...
1906         (thumb2_addsi_short): ... to this.  Allow register operands.
1907         (thumb2_subsi_short): New pattern.
1908         (thumb2_one_cmplsi2_short,
1909         thumb2_negsi2_short): New patterns and peepholes.
1910
1911 2008-03-12  Paul Brook  <paul@codesourcery.com>
1912
1913         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1914
1915 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1916
1917         * config/i386/i386.md (int_cond): New code iterator.
1918         (fp_cond): Ditto.
1919         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1920         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1921         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1922         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1923         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1924         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1925         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1926         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1927
1928 2008-03-12  Paul Brook  <paul@codesourcery.com>
1929
1930         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1931         instead of {arm,thumb}_compute_save_reg_mask.
1932         (output_return_instruction): Ditto.
1933         (thumb_unexpanded_epilogue): Ditto.
1934         (thumb1_expand_prologue): Ditto.
1935         (thumb1_output_function_prologue): Ditto.
1936         (arm_set_return_address): Ditto.
1937         (thumb_set_return_address): Ditto.
1938         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1939         regs to achieve stack alignment.
1940         (thumb1_compute_save_reg_mask): Fix compiler warning.
1941         (arm_output_epilogue): Use offsets->saved_regs_mask.
1942         Adjust stack pointer by poping call clobered registers.
1943         (arm_expand_prologue): Use offsets->saved_regs_mask.
1944         Adjust stack pointer by pushing extra registers.
1945         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1946
1947 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1948
1949         PR tree-opt/35422
1950         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1951         conversion to the operands of a multiplication.
1952
1953 2008-03-12  Richard Guenther  <rguenther@suse.de>
1954
1955         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1956         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1957         * timevar.def (TV_TREE_PHIPROP): Add.
1958         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1959         pass description.  Use TV_TREE_PHIPROP.
1960         * tree-ssa-forwprop.c: Remove phiprop code.
1961
1962 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1963
1964         PR middle-end/35549
1965         * omp-low.c (maybe_lookup_decl): Constify first argument.
1966         (use_pointer_for_field): Change last argument from bool to
1967         omp_context *.  Disallow shared copy-in/out in nested
1968         parallel if decl is shared in outer parallel too.
1969         (build_outer_var_ref, scan_sharing_clauses,
1970         lower_rec_input_clauses, lower_copyprivate_clauses,
1971         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1972
1973 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1974             Ira Rosen  <irar@il.ibm.com>
1975
1976         * tree-vectorizer.c (free_stmt_vec_info): New function.
1977         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1978         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1979         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1980         * tree-vect-transform.c (vectorizable_conversion): Free
1981         vec_oprnds0 if it was allocated.
1982         (vect_permute_store_chain): Remove unused VECs.
1983         (vectorizable_store): Free VECs that are allocated in the..
1984         function.
1985         (vect_transform_strided_load, vectorizable_load): Likewise.
1986         (vect_remove_stores): Simplify the code.
1987         (vect_transform_loop): Move code to vect_remove_stores().
1988         Call vect_remove_stores() and free_stmt_vec_info().
1989
1990 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1991
1992         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1993         TARGET_HPUX.  Revise comment.
1994         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1995         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1996         Use sr4 variant of `be' instruction when not generating PIC code.
1997         (attr_length_call): Adjust for above change.
1998
1999 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2000
2001         * ipa-reference.c (static_execute): Remove module_statics_const and
2002         associated setting code.
2003
2004 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2005
2006         PR target/35540
2007         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2008         predicate for operand 1.
2009         (paritysi2_cmp): Use register_operand predicate for operand 2.
2010         Use earlyclobber modifier for operand 1.  Remove support for
2011         memory operands.
2012         (paritydi2_cmp): Use register_operand predicate for operand 3.
2013         Use earlyclobber modifier for operand 1.  Remove support for
2014         memory operands.
2015
2016 2008-03-11  Paul Brook  <paul@codesourcery.com>
2017             Vladimir Prus  <vladimir@codesourcery.com>
2018
2019         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2020         (arm_compute_save_reg0_reg12_mask): Always
2021         check if register 11 must be saved.  Always safe hard frame pointer
2022         when frame_pointer_needeed.
2023         (arm_compute_save_reg_mask): Save IP and PC
2024         only with apcs frames.
2025         (arm_output_epilogue): Adjust Thumb2 codepath to
2026         be also invoked and work for ARM non-apcs frames.
2027         (arm_expand_prologue): Don't bother saving IP
2028         for non-apcs frame, since it's not clobbered by
2029         prologue code.  Implement non-apcs frame
2030         layout.
2031
2032 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2033
2034         PR rtl-optimization/35281
2035         * expr.c (convert_move): Use a new pseudo for the intermediate
2036         from_mode->word_mode result.
2037
2038 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2039
2040         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2041         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2042         * toplev.c (compile_file): Don't call it.
2043
2044 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2045
2046         PR middle-end/35526
2047         * expr.c (store_expr): Call emit_block_move if the mode
2048         of "temp" RTX is BLKmode.
2049
2050 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2051             Richard Guenther  <rguenther@suse.de>
2052
2053         PR tree-optimization/31358
2054         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2055         the step with a NULL_TREE.
2056         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2057         to sizetype if type is a pointer type.
2058         (add_candidate_1): Don't convert the base and step to
2059         the generic type if the orginal type is a pointer type.
2060         (add_iv_value_candidates): Use sizetype for the step
2061         if type is a pointer type.
2062         (cand_value_at): Likewise.
2063         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2064         for pointer types.
2065         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2066         Don't convert the tem affine to the type.
2067         (add_elt_to_tree): Use sizetype for the step if a pointer.
2068         Use POINTER_PLUS_EXPR for pointers.
2069         (aff_combination_to_tree): Use sizetype for the step if a
2070         pointer.
2071
2072 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2073
2074         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2075         Remove commutativity hint.
2076
2077 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2078
2079         PR c/35438
2080         PR c/35439
2081         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2082         errorneous type.  Check that v is a VAR_DECL.
2083
2084         PR middle-end/35099
2085         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2086
2087 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2088
2089         PR tree-optimization/35494
2090         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2091         may be overriden at link and run time.
2092
2093 2008-03-10  Richard Guenther  <rguenther@suse.de>
2094
2095         PR tree-optimization/34677
2096         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2097         (poolify_tree): Likewise.
2098         (modify_expr_template): Likewise.
2099         (poolify_modify_stmt): Likewise.
2100         (insert_fake_stores): Handle all component-ref style stores
2101         in addition to INDIRECT_REF.  Also handle complex types.
2102         Do not poolify the inserted load.
2103         (realify_fake_stores): Do not rebuild the tree but only
2104         make it a SSA_NAME copy.
2105         (init_pre): Remove initialzation of modify_expr_template.
2106         Do not allocate modify_expr_node_pool.
2107         (fini_pre): Do not free modify_expr_node_pool.
2108
2109 2008-03-10  Paul Brook  <paul@codesourcery.com>
2110
2111         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2112         to avoid conflicts.
2113
2114 2008-03-10  Paul Brook  <paul@codesourcery.com>
2115             Mark Shinwell  <shinwell@codesourcery.com>
2116
2117         * config/arm/cortex-r4.md: New.
2118         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2119         insn attributes.
2120         * config/arm/arm.md: Include cortex-r4.md.
2121         (insn): Add smmls, sdiv and udiv values.
2122         (generic_sched): Don't use generic scheduling for Cortex-R4.
2123         (arm_issue_rate): New function.
2124         (TARGET_SCHED_ISSUE_RATE): Define.
2125
2126 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2127
2128         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2129
2130 2008-03-10  Richard Guenther  <rguenther@suse.de>
2131
2132         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2133         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2134
2135 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2136
2137         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2138         Set default to true.
2139
2140 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2141
2142         * c.opt (Wsynth): Deprecate.
2143         * doc/invoke.texi (Option Summary, Warning Options): Document
2144         -Wno-format-contains-nul.
2145
2146 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2147
2148         PR target/35496
2149         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2150         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2151
2152 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2153
2154         * config/rs6000/rs6000.c (builtin_description): Rename vector
2155         left shift operations.
2156         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2157         (altivec_vsl<VI_char>): Rename to ...
2158         (ashl<mode>3): ... new name.
2159         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2160         gen_ashlv4si3.
2161         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2162
2163 2008-03-08  Richard Guenther  <rguenther@suse.de>
2164
2165         * coverage.h (tree_coverage_counter_addr): Declare.
2166         * coverage.c (tree_coverage_counter_addr): New function.
2167         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2168         before using again.
2169         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2170         (tree_gen_one_value_profiler): Likewise.
2171         (tree_gen_ic_profiler): Likewise.
2172         (tree_gen_average_profiler): Likewise.
2173         (tree_gen_ior_profiler): Likewise.
2174
2175 2008-03-08  Richard Guenther  <rguenther@suse.de>
2176
2177         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2178         (vn_binary_op_insert): Likewise.
2179         (vn_unary_op_lookup): Likewise.
2180         (vn_unary_op_insert): Likewise.
2181         (vn_nary_op_lookup): Declare.
2182         (vn_nary_op_insert): Likewise.
2183         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2184         and binary hashes, use a single obstack for unary_op_pool
2185         and binary_op_pool.
2186         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2187         a single struct vn_nary_op_s.  Store tree code length and
2188         a variable number of operands.
2189         (struct vn_reference_op_struct): Remove unused op2.
2190         (vn_reference_op_eq): Do not compare op2.
2191         (vn_reference_op_compute_hash): Do not compute hash of op2.
2192         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2193         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2194         with vn_nary_op_compute_hash.
2195         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2196         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2197         vn_nary_op_lookup.
2198         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2199         vn_nary_op_insert.
2200         (visit_unary_op): Call nary functions.
2201         (visit_binary_op): Likewise.
2202         (process_scc): Adjust for struct vn_tables_s changes.
2203         (allocate_vn_table): Likewise.
2204         (free_vn_table): Likewise.
2205         * tree-vn.c (vn_add): Call nary functions.
2206         (vn_lookup): Likewise.
2207
2208 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2209
2210         PR target/35498
2211         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2212         wdst back after sync_compare_and_swapqhi_internal.
2213
2214 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2215
2216         PR target/22152
2217         * config/i386/i386-modes.def (V1DI): New vector mode.
2218         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2219         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2220         (MMXMODE248): Ditto.
2221         (MMXMODE): Add V1DI mode.
2222         (mmxvecsize): Change DI mode to V1DI mode.
2223         ("mov<mode>): Use MMXMODEI8 mode iterator.
2224         ("*mov<mode>_internal_rex64"): Ditto.
2225         ("*mov<mode>_internal"): Ditto.
2226         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2227         ("mmx_sub<mode>3"): Ditto.
2228         ("mmx_adddi3"): Remove insn pattern.
2229         ("mmx_subdi3"): Ditto.
2230         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2231         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2232         ("mmx_ashl<mode>3"): Ditto.
2233         ("mmx_lshrdi3"): Remove insn pattern.
2234         ("mmx_ashldi3"): Ditto.
2235         * config/i386/i386.c (classify_argument): Handle V1DImode.
2236         (function_arg_advance_32): Ditto.
2237         (function_arg_32): Ditto.
2238         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2239         mmx_addv1di3 insn pattern.
2240         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2241         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2242         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2243         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2244         Remove definitions of built-in functions.
2245         (V1DI_type_node): New node.
2246         (v1di_ftype_v1di_int): Ditto.
2247         (v1di_ftype_v1di_v1di): Ditto.
2248         (v2si_ftype_v2si_si): Ditto.
2249         (v4hi_ftype_v4hi_di): Remove node.
2250         (v2si_ftype_v2si_di): Ditto.
2251         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2252         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2253         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2254         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2255         Add new builtins using def_builtin_const.
2256         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2257         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2258         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2259         * config/i386/mmintrin.h (__v1di): New typedef.
2260         (_mm_add_si64): Cast arguments to __v1di type.
2261         (_mm_sub_si64): Ditto.
2262         (_mm_sll_pi16): Cast __count to __v4hi type.
2263         (_mm_sll_pi32): Cast __count to __v2si type.
2264         (_mm_sll_si64): Cast arguments to __v1di type.
2265         (_mm_srl_pi16): Cast __count to __v4hi type.
2266         (_mm_srl_pi32): Cast __count to __v2si type.
2267         (_mm_srl_si64): Cast arguments to __v1di type.
2268         (_mm_sra_pi16): Cast __count to __v4hi type.
2269         (_mm_sra_pi32): Cast __count to __v2si type.
2270         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2271         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2272         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2273         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2274         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2275         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2276         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2277         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2278         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2279         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2280         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2281         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2282
2283 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2284
2285         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2286
2287 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2288
2289         PR target/35373
2290         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2291         reg+const addressing for Altivec modes.  Don't generate reg+reg
2292         addressing for TFmode or TDmode quantities.
2293
2294 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2295
2296         * c-common.c (vector_types_convertible_p): Call langhook
2297         instead of comptypes.
2298
2299 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2300
2301         PR tree-opt/35402
2302         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2303         integral and scalar float variables which have a
2304         NULL DECL_INITIAL.
2305
2306 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2307
2308         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2309         dwarf_register_span hook when emitting unwind information for
2310         register-to-memory saves.
2311         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2312         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2313
2314 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2315
2316         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2317         for the same VAR_DECL.
2318
2319 2008-03-06  Tom Tromey  <tromey@redhat.com>
2320
2321         * treelang: Delete.
2322         * doc/standards.texi (Standards): Don't mention treelang.
2323         * doc/invoke.texi (Overall Options): Don't mention treelang.
2324         * doc/install.texi (Prerequisites): Don't mention bison or
2325         treelang.
2326         (Configuration): Don't mention treelang.
2327         (Building): Likewise.
2328         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2329
2330 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2331
2332         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2333         word-extractions out of a multi-word object.
2334
2335 2008-03-06  Richard Guenther  <rguenther@suse.de>
2336
2337         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2338         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2339         result type and precision.
2340         * expr.c (get_inner_reference): Set unsignedp based on the result
2341         type of BIT_FIELD_REF.
2342         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2343         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2344         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2345         for BIT_FIELD_REF.
2346         (sra_build_assignment): Likewise.
2347         (sra_build_elt_assignment): Likewise.
2348         (sra_explode_bitfield_assignment): Likewise.
2349         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2350         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2351         set BIT_FIELD_REF_UNSIGNED.
2352         (vectorizable_load): Likewise.
2353
2354 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2355
2356         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2357         at bb start.
2358
2359 2008-03-06  Richard Guenther  <rguenther@suse.de>
2360
2361         * alias.c (struct alias_set_entry): Move has_zero_child field
2362         to pack with alias_set.
2363
2364 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2365
2366         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2367         32bit host.
2368
2369 2008-03-05  Ian Lance Taylor  <iant@google.com>
2370
2371         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2372
2373 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2374
2375         * fwprop.c (update_df): Support width and offset parameters of
2376         df_ref_create.
2377         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2378         global_conflicts): Change DF_REF_EXTRACT to either
2379         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2380         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2381         * df-scan.c (df_ref_record, df_defs_record,
2382         df_ref_create_structure, df_def_record_1, df_uses_record,
2383         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2384         df_bb_refs_collect, df_entry_block_defs_collect,
2385         df_exit_block_uses_collect): Support new width and offset fields.
2386         (ref_extract_pool): New storage pool.
2387         (df_free_ref): New function.
2388         (df_reg_chain_unlink, df_free_collection_rec,
2389         df_sort_and_compress_refs): Call df_free_ref.
2390         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2391         of df_ref_extract.
2392         (df_ref_create_structure): Allocate df_ref_extract if offset and
2393         width fields are used.
2394         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2395         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2396         and SIGN_EXTRACT.
2397         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2398         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2399         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2400         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2401         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2402         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2403         (df_ref_extract): New structure.
2404         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2405         (df_ref_create): Add width and offset parameters.
2406         
2407 2008-03-05  Richard Guenther  <rguenther@suse.de>
2408
2409         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2410         Use ranges_overlap_p.
2411         (offset_overlaps_with_access): Rename
2412         to ranges_overlap_p and move ...
2413         * tree-flow-inline.h (ranges_overlap_p): ... here.
2414
2415         * tree.h (get_inner_reference, handled_component_p): Update
2416         comments.
2417
2418         * tree.h (record_component_aliases, get_alias_set,
2419         alias_sets_conflict_p, alias_sets_must_conflict_p,
2420         objects_must_conflict_p): Move declarations ...
2421         * alias.h (record_component_aliases, get_alias_set,
2422         alias_sets_conflict_p, alias_sets_must_conflict_p,
2423         objects_must_conflict_p): ... here.
2424         Include coretypes.h.
2425         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2426
2427 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2428
2429         * cfg.c: Include tree-flow.h.
2430         (remove_edge_raw): Call redirect_edge_var_map_clear.
2431         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2432         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2433         (redirect_edge_var_map_result): New.
2434         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2435         PENDING_STMT use with redirect_edge_var_map_*.
2436         * tree-ssa.c (edge_var_maps): New definition.
2437         (redirect_edge_var_map_add): New.
2438         (redirect_edge_var_map_clear): New.
2439         (redirect_edge_var_map_dup): New.
2440         (redirect_edge_var_map_vector): New.
2441         (redirect_edge_var_map_destroy): New.
2442         (ssa_redirect_edge): Replace PENDING_STMT use with
2443         redirect_edge_var_map_*.
2444         (flush_pending_stmts): Same.
2445         (delete_tree_ssa): Destroy edge var map.
2446         * tree-flow.h (struct _edge_var_map): New.
2447         Define edge_var_map vector type.
2448         Declare redirect_edge_var_map_* prototypes.
2449         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2450         * tree-cfg.c (reinstall_phi_args): Replace
2451         PENDING_STMT use with redirect_edge_var_map_*.
2452
2453 2008-03-05  Richard Guenther  <rguenther@suse.de>
2454
2455         PR tree-optimization/35472
2456         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2457         whose single use_stmt has a overlapping set of loaded and
2458         stored symbols as that use_stmt might be a noop assignment then.
2459
2460 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2461
2462         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2463
2464 2008-03-05  Richard Guenther  <rguenther@suse.de>
2465
2466         PR c++/35336
2467         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2468         should be constants.
2469         * tree-cfg.c (verify_expr): Verify it.
2470         * fold-const.c (fold_truthop): Remove code generating
2471         BIT_FIELD_REFs of structure bases.
2472         (fold_binary): Likewise.
2473         (fold_ternary): Position and size of BIT_FIELD_REFs are
2474         always host integers.
2475         (make_bit_field_ref): Remove.
2476         (optimize_bit_field_compare): Remove.
2477         (all_ones_mask_p): Remove.
2478
2479 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2480
2481         PR gcc/33009
2482         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2483         (split_block_and_df_analyze): New. Split basic block and rebuild
2484         dataflow.
2485         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2486         SPLIT_BLOCK.
2487         (split_pattern_seq): Likewise.
2488         (erase_matching_seqs): Likewise.
2489         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2490
2491 2008-03-04  Geoff Keating  <geoffk@apple.com>
2492
2493         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2494         declaration and code.
2495         (tree_invalid_nonnegative_warnv_p): Likewise.
2496
2497 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2498
2499         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2500         examples.  Truncate option-names then causing overfull hbox.
2501
2502 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2503
2504         PR target/35222
2505         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2506         on hpux10.
2507         * configure: Rebuilt.
2508
2509 2008-03-04  Rafael Espindola  <espindola@google.com>
2510
2511         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2512         (tree_unary_nonnegative_warnv_p): New.
2513         (tree_binary_nonnegative_warnv_p): New.
2514         (tree_single_nonnegative_warnv_p): New.
2515         (tree_invalid_nonnegative_warnv_p): New.
2516         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2517
2518 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2519
2520         PR 28322
2521         * opts.c (handle_option): Postpone 'unknown option' errors only for
2522         warning options.
2523
2524 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2525
2526         PR target/35453
2527         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2528         (_SIDD_XXX): This.
2529
2530 2008-03-04  Rafael Espindola  <espindola@google.com>
2531
2532         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2533         (tree_binary_nonzero_warnv_p): New.
2534         (tree_single_nonzero_warnv_p): New.
2535         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2536
2537 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2538
2539         PR middle-end/35456
2540         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2541         transformations for modes that have signed zeros.
2542         * ifcvt.c (noce_try_abs): Ditto.
2543
2544 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2545
2546         * config/i386/i386.c (override_options): Force
2547         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2548
2549 2008-03-04  Jan Hubicka  <jh@suse.cz>
2550
2551         PR c++/35262
2552         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2553         in last commit.
2554
2555 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2556
2557         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2558         label to probe the stack.
2559
2560 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2561
2562         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2563         (__gthr_win32_mutex_destroy): Declare.
2564         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2565         __gthr_win32_mutex_destroy.
2566         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2567
2568 2008-03-03  Jan Hubicka  <jh@suse.cz>
2569
2570         PR c++/35262
2571         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2572         aggressive on inlining cold calls.
2573
2574 2008-03-03  Richard Guenther  <rguenther@suse.de>
2575
2576         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2577         struct copies into the expression table.
2578         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2579         (try_to_simplify): Likewise.
2580         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2581         integral and pointer arguments which do not change the
2582         precision to NOP_EXPRs.
2583         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2584         VIEW_CONVERT_EXPR case.
2585
2586 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2587
2588         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2589         defined in a loop at depth 0 is invariant.
2590         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2591         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2592         be called at loop depth 0.
2593
2594 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2595
2596         PR driver/35420
2597         * gcc.c (process_command): Update copyright notice dates.
2598         * gcov.c (print_version): Likewise.
2599         * gcov-dump.c (print_version): Likewise.
2600         * mips-tfile.c (main): Likewise.
2601         * mips-tdump.c (main): Likewise.
2602
2603 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2604
2605         PR 24924
2606         * c-common.c (flag_permissive): Delete.
2607         (constant_expression_warnings): Check flags first.
2608         (constant_expression_error): New.
2609         * c-common.h (flag_permissive): Delete.
2610         (constant_expression_error): Declare.
2611         * flags.h (flag_permissive): Declare. Update description.
2612         * diagnostic.c (pedwarn): Update.
2613         (permerror): New.
2614         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2615         (permissive_error_kind): New.
2616         * toplev.c (flag_permissive): Define. Update description.
2617         * toplev.h (permissive_error_kind): Declare.
2618         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2619         (pedwarn_c90): Use pedantic_warning_kind.
2620         * c-opts.c (c_common_post_options): flag_permissive does not affect
2621         flag_pedantic_errors.
2622
2623 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2624
2625         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2626         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2627         __absvsi2, __absvDI2): Use unsigned arithmetic.
2628
2629 2008-03-02  Andi Kleen  <ak@suse.de>
2630             Richard Guenther  <rguenther@suse.de>
2631
2632         * struct-equiv.c: Remove file.
2633         * cfg_cleanup.c (condjump_equiv_p): Remove.
2634         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2635         (struct-equiv.o): Remove rule.
2636         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2637         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2638         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2639
2640 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2641
2642         * ifcvt.c (noce_process_if_block): Try to handle only the then
2643         block if the else block exists but isn't suitable.
2644
2645 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2646
2647         PR gcc/35063
2648         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2649         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2650         regression from previous patch.
2651
2652 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2653
2654         PR gcc/35063
2655         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2656         implemented.
2657         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2658         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2659         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2660         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2661         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2662         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2663         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2664         (__gthread_mutex_destroy_function): Rename to
2665         __gthread_mutex_destroy.
2666         * gthr-dce.h (__gthread_mutex_destroy): Call
2667         pthread_mutex_destroy.
2668         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2669         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2670         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2671
2672 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2673
2674         * df-scan.c (df_ref_chain_change_bb): Simplify.
2675         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2676         set_block_for_insn if there's any change.
2677         * df.h ((df_insn_change_bb): Fix prototype.
2678         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2679         df_insn_change_bb, don't call set_block_for_insn.
2680         * emit-rtl.c (reorder_insns): Likewise.
2681         * haifa-sched.c (move_insn): Likewise.
2682
2683 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2684
2685         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2686
2687 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2688
2689         * tree-flow-inline.h (next_readonly_imm_use): Return
2690         NULL_USE_OPERAND_P after the end.
2691
2692 2008-03-01  Richard Guenther  <rguenther@suse.de>
2693
2694         PR tree-optimization/35411
2695         * tree-sra.c (sra_build_assignment): Split conversion to
2696         final type to a separate statement if we are not assigning
2697         to a register.
2698
2699 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2700
2701         * fold-const.c (fold_convertible_p): Correct the logic to follow
2702         that in fold_convert().
2703
2704 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2705
2706         PR c++/35315
2707         * tree-inline.c (build_duplicate_type): When we make a
2708         duplicate type, make it unique in the canonical types system.
2709
2710 2008-02-29  Tom Tromey  <tromey@redhat.com>
2711
2712         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2713         input_file_stack_history, input_file_stack_restored): Remove.
2714         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2715         * input.h (struct file_stack): Remove.
2716         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2717         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2718         Likewise.
2719         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2720         type.
2721         (diagnostic_last_module_changed): Add 'map' argument.
2722         (diagnostic_set_last_function): Likewise.
2723         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2724         line map, not input_file_stack.
2725         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2726
2727 2008-02-29  Paul Brook  <paul@codesourcery.com>
2728
2729         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2730
2731 2008-02-29  Paul Brook  <paul@codesourcery.com>
2732
2733         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2734
2735 2008-02-29  Richard Guenther  <rguenther@suse.de>
2736
2737         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2738         vn_lookup_or_add.
2739         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2740         value for comparing for a store match.
2741         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2742         (try_to_simplify): Do not do a full-blown reference lookup.
2743
2744 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2745
2746         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2747         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2748
2749         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2750
2751 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2752
2753         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2754         strides against cache sizes.
2755
2756 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2757
2758         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2759         constant to fpul.
2760
2761 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2762
2763         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2764         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2765         is smaller than the original promoted value.
2766         (simplify_subreg): If OP is a SUBREG, try to preserve its
2767         SUBREG_PROMOTED_VAR_P information.
2768
2769 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2770
2771         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2772         (VN_INFO_GET): Allocate new objects on the obstack.
2773         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2774         for rpo_numbers_temp, for consistency.
2775         (free_scc_vn): Free the obstack.
2776
2777 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2778
2779         * doc/invoke.texi: Document -ftree-loop-distribution.
2780         * tree-loop-distribution.c: New.
2781         * tree-pass.h (pass_loop_distribution): New.
2782         * graphds.h (struct graph): Add htab_t indices.
2783         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2784         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2785         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2786         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2787         * tree-data-ref.c (debug_data_dependence_relations): New.
2788         (dump_data_dependence_relation): Also print data references.
2789         (free_data_ref): Extern.
2790         (same_access_functions): Moved...
2791         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2792         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2793         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2794         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2795         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2796         (stmts_from_loop): Skip LABEL_EXPR.
2797         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2798         New.
2799         (build_rdg): Initialize rdg->indices htab.
2800         (free_rdg, stores_from_loop, ref_base_address,
2801         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2802         have_similar_memory_accesses_1, ref_base_address_1,
2803         remove_similar_memory_refs): New.
2804         * tree-data-ref.h: Depend on tree-chrec.h.
2805         (debug_data_dependence_relations, free_data_ref): Declared.
2806         (same_access_functions): ... here.
2807         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2808         New.
2809         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2810         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2811         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2812         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2813         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2814         rdg_vertex_for_stmt): Declared.
2815         (struct rdg_edge): Add level.
2816         (RDGE_LEVEL): New.
2817         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2818         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2819         Declared.
2820         (rdg_has_similar_memory_accesses): New.
2821         * tree-vect-analyze.c: Remove unused static decls.
2822         * lambda.h (dependence_level): New.
2823         * common.opt (ftree-loop-distribution): New.
2824         * tree-flow.h (mark_virtual_ops_in_bb, 
2825         slpeel_tree_duplicate_loop_to_edge_cfg,
2826         rename_variables_in_loop): Declared.
2827         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2828         (OBJS-common): Add tree-loop-distribution.o.
2829         (tree-loop-distribution.o): New rule.
2830         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2831         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2832         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2833
2834 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2835
2836         PR target/33963
2837         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2838         other than structures and unions.
2839
2840 2008-02-28  Richard Guenther  <rguenther@suse.de>
2841
2842         Revert:
2843         2008-02-26  Richard Guenther  <rguenther@suse.de>
2844
2845         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2846         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2847         (lookup_decl_from_uid): Declare.
2848         (remove_decl_from_map): Likewise.
2849         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2850         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2851         (decl_for_uid_map): New global hashtable mapping DECL_UID
2852         to the decl tree.
2853         (init_ttree): Allocate it.
2854         (insert_decl_to_uid_decl_map): New helper function.
2855         (make_node_stat): Insert new decls into the map.
2856         (copy_node_stat): Likewise.
2857         (lookup_decl_from_uid): New function.
2858         (remove_decl_from_map): Likewise.
2859         (print_decl_for_uid_map_statistics): New helper.
2860         (dump_tree_statistics): Call it.
2861
2862         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2863         (referenced_var_iterator): Adjust.
2864         (FOR_EACH_REFERENCED_VAR): Adjust.
2865         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2866         (num_referenced_vars): Adjust.
2867         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2868         (first_referenced_var): Remove.
2869         (end_referenced_vars_p): Likewise.
2870         (next_referenced_var): Likewise.
2871         (referenced_var_iterator_set): New helper function.
2872         * tree-dfa.c (referenced_var_lookup): Adjust.
2873         (referenced_var_check_and_insert): Likewise.
2874         (remove_referenced_var): Likewise.
2875         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2876         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2877         (verify_call_clobbering): Likewise.
2878         (verify_memory_partitions): Likewise.
2879         (init_tree_ssa): Allocate bitmap instead of hashtable for
2880         referenced_vars.
2881         (delete_tree_ssa): Adjust.
2882         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2883         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2884         (compute_tag_properties): Likewise.
2885         (set_initial_properties): Likewise.
2886         (find_partition_for): Likewise.
2887         (update_reference_counts): Likewise.
2888         (dump_may_aliases_for): Likewise.
2889         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2890         (add_call_clobber_ops): Likewise.
2891         (add_call_read_ops): Likewise.
2892         (get_asm_expr_operands): Likewise.
2893         * tree-into-ssa.c (dump_decl_set): Likewise.
2894         (update_ssa): Likewise.
2895         * tree-sra.c (scan_function): Likewise.
2896         (decide_instantiations): Likewise.
2897         (scalarize_parms): Likewise.
2898         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2899         (dsa_named_for): Likewise.
2900         * tree-ssa-structalias.c (update_alias_info): Likewise.
2901         (merge_smts_into): Likewise.
2902
2903 2008-02-27  David Daney  <ddaney@avtrex.com>
2904
2905         PR target/34409
2906         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2907         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2908         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2909         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2910         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2911
2912 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2913
2914         PR target/25477
2915         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2916         (BUILT_IN_NEXTTOWARD): Remove.
2917         (BUILT_IN_NEXTTOWARDF): Ditto.
2918         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2919         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2920
2921 2008-02-27  Tom Tromey  <tromey@redhat.com>
2922
2923         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2924         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2925
2926 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2927
2928         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2929         update the respective field on newdecl.
2930
2931 2008-02-27  Revital Eres  <eres@il.ibm.com>
2932
2933         PR rtl-optimization/34999
2934         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2935         crossing edges that ends with a call insn.
2936         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2937         call insn and clear the EDGE_CROSSING flag of the crossing edge
2938         when fixing fallthru edges.
2939
2940 2008-02-27  Richard Guenther  <rguenther@suse.de>
2941
2942         PR middle-end/35390
2943         * fold-const.c (fold_unary): Return the correct argument,
2944         converted to the result type.
2945
2946 2008-02-27  Richard Guenther  <rguenther@suse.de>
2947
2948         PR middle-end/34971
2949         * expr.c (expand_expr_real_1): Assert on rotates that operate
2950         on partial modes.
2951         * fold-const.c (fold_binary): Use the types precision, not the
2952         bitsize of the mode if folding rotate expressions.  Build rotates
2953         only for full modes.
2954
2955 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2956
2957         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2958         and CPP_PRAGMA_EOL.
2959         * c-pragma.c (pragma_ns_name): New typedef.
2960         (registered_pp_pragmas): New variable.
2961         (c_pp_lookup_pragma): New function.
2962         (c_register_pragma_1): If flag_preprocess_only, do nothing
2963         for non-expanded pragmas, for expanded ones push pragma's
2964         namespace and name into registered_pp_pragmas vector.
2965         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2966         flag_preprocess_only, don't register GCC pch_preprocess
2967         pragma if flag_preprocess_only.
2968         * c-opts.c (c_common_init): Call init_pragma even if
2969         flag_preprocess_only.
2970         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2971         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2972         cpp_register_pragma if flag_preprocess_only.
2973
2974 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2975
2976         PR c/28800
2977         * c-parser.c (c_parser_translation_unit): Warn for empty
2978         translation unit, not empty source file.
2979
2980 2008-02-26  Paul Brook  <paul@codesourcery.com>
2981
2982         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2983         operand for Thumb-2.
2984         * config/arm/arm.h (reg_class): Add CORE_REGS.
2985         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2986         (BASE_REG_CLASS): Use CORE_REGS.
2987         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2988         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2989         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2990         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2991         ARM_REGNO_OK_FOR_INDEX_P.
2992         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2993         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2994         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2995         (ldm/stm peepholes): Ditto.
2996         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2997         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2998         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2999         * config/arm/constraints.md: Enable "k" constraint on ARM.
3000
3001 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3002
3003         * config/rs6000/rs6000.c: Annotate cache line size field in all
3004         instances of struct processor_costs.
3005
3006 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3007
3008         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3009         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3010         jump_bypass): New counters.
3011         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3012         * dce.c (gate_ud_dce): Same.
3013         (gate_fast_dce): Same.
3014         * dse.c (gate_dse1): New function.
3015         (gate_dse2): New function.
3016         (gate_dse): Merge results of new gate functions.
3017         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3018         (gate_handle_jump_bypass): Add dbg_cnt.
3019         (gate_handle_gcse): Add dbg_cnt.
3020         * ifcvt.c (gate_handle_if_conversion): Same.
3021         (gate_handle_if_after_combine): Same.
3022         (gate_handle_if_after_reload): Same.
3023         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3024
3025 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3026
3027         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3028         line sizes.
3029         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3030
3031 2008-02-26  Jason Merrill  <jason@redhat.com>
3032
3033         PR c++/35315
3034         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3035         alone if it's the naming decl for the type's main variant.
3036
3037 2008-02-26  Tom Tromey  <tromey@redhat.com>
3038
3039         * system.h (USE_MAPPED_LOCATION): Poison.
3040         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3041         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3042         (make_goto_expr_edges): Likewise.
3043         (remove_bb): Likewise.
3044         (execute_warn_function_return): Likewise.
3045         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3046         location_t.
3047         * c-common.c (fname_decl): Remove old location code.
3048         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3049         location code.
3050         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3051         variant.
3052         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3053         (gen_rtx_ASM_INPUT): Likewise.
3054         (gen_rtx_ASM_INPUT_loc): Likewise.
3055         (get_rtx_asm_OPERANDS): Remove.
3056         * cfglayout.c (insn_locators_alloc): Remove old location code.
3057         (set_curr_insn_source_location): Likewise.
3058         (curr_insn_locator): Likewise.
3059         * print-tree.c (print_node): Remove old location code.
3060         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3061         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3062         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3063         location_from_locus.
3064         (construct_exit_block): Remove old location code.
3065         * emit-rtl.c (force_next_line_note): Remove old location code.
3066         * profile.c (branch_prob): Remove old location code.
3067         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3068         LOC_LINE): Remove old-location variants.
3069         * langhooks.c (lhd_print_error_function): Remove old location
3070         code.
3071         * configure, config.in: Rebuilt.
3072         * configure.ac (--enable-mapped-location): Remove.
3073         * c-decl.c (c_init_decl_processing): Remove old location code.
3074         (finish_function): Likewise.
3075         * recog.c (decode_asm_operands): Remove old location code.
3076         * c-pch.c (c_common_read_pch): Remove old location code.
3077         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3078         variants.
3079         * gimple-low.c (lower_function_body): Remove old location code.
3080         * toplev.c (unknown_location): Remove.
3081         (push_srcloc): Remove old-location variant.
3082         (process_options): Remove old location code.
3083         (lang_dependent_init): Likewise.
3084         * input.h (UNKNOWN_LOCATION): Move definition.
3085         (location_t): Undeprecate.
3086         (source_locus): Remove.
3087         (location_from_locus): Remove.
3088         (struct location_s): Remove.
3089         Remove all old-location code.
3090         (input_line, input_filename): Remove.
3091         * final.c (final_scan_insn): Remove old location code.
3092         * diagnostic.c (diagnostic_build_prefix): Remove
3093         USE_MAPPED_LOCATION test.
3094         * tree.h (gimple_stmt) <locus>: Now a location_t.
3095         (tree_exp) <locus>: Likewise.
3096         (DECL_IS_BUILTIN): Remove old-location variant.
3097         (annotate_with_file_line, annotate_with_locus): Likewise.
3098         (expr_locus, set_expr_locus): Update.
3099         * tree.c (build1_stat): Remove old location code.
3100         (last_annotated_node): Remove.
3101         (annotate_with_file_line): Remove old-location variant.
3102         (annotate_with_locus): Likewise.
3103         (expr_location): Remove old location code.
3104         (set_expr_location): Likewise.
3105         (expr_has_location): Likewise.
3106         (expr_locus): Likewise.
3107         (set_expr_locus): Likewise.
3108         (expr_filename): Don't use location_from_locus.
3109         (expr_lineno): Likewise.
3110         * rtl-error.c (location_for_asm): Remove old location code.
3111         * c-lex.c (cb_line_change): Remove old location code.
3112         (fe_file_change): Likewise.
3113         (cb_def_pragma): Likewise.
3114         (c_lex_with_flags): Likewise.
3115         * gengtype.c (do_typedef): Don't special-case location types.
3116         (define_location_structures): Remove.
3117         (main): Don't call define_location_structures.
3118         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3119         code.
3120
3121 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3122
3123         PR 26264
3124         * builtins.def (BUILT_IN_STDARG_START): Remove.
3125         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3126         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3127         * tree-inline.c (inline_forbidden_p_1): Likewise.
3128         
3129 2008-02-26  Richard Guenther  <rguenther@suse.de>
3130
3131         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3132         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3133         (lookup_decl_from_uid): Declare.
3134         (remove_decl_from_map): Likewise.
3135         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3136         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3137         (decl_for_uid_map): New global hashtable mapping DECL_UID
3138         to the decl tree.
3139         (init_ttree): Allocate it.
3140         (insert_decl_to_uid_decl_map): New helper function.
3141         (make_node_stat): Insert new decls into the map.
3142         (copy_node_stat): Likewise.
3143         (lookup_decl_from_uid): New function.
3144         (remove_decl_from_map): Likewise.
3145         (print_decl_for_uid_map_statistics): New helper.
3146         (dump_tree_statistics): Call it.
3147
3148         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3149         (referenced_var_iterator): Adjust.
3150         (FOR_EACH_REFERENCED_VAR): Adjust.
3151         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3152         (num_referenced_vars): Adjust.
3153         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3154         (first_referenced_var): Remove.
3155         (end_referenced_vars_p): Likewise.
3156         (next_referenced_var): Likewise.
3157         (referenced_var_iterator_set): New helper function.
3158         * tree-dfa.c (referenced_var_lookup): Adjust.
3159         (referenced_var_check_and_insert): Likewise.
3160         (remove_referenced_var): Likewise.
3161         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3162         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3163         (verify_call_clobbering): Likewise.
3164         (verify_memory_partitions): Likewise.
3165         (init_tree_ssa): Allocate bitmap instead of hashtable for
3166         referenced_vars.
3167         (delete_tree_ssa): Adjust.
3168         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3169         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3170         (compute_tag_properties): Likewise.
3171         (set_initial_properties): Likewise.
3172         (find_partition_for): Likewise.
3173         (update_reference_counts): Likewise.
3174         (dump_may_aliases_for): Likewise.
3175         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3176         (add_call_clobber_ops): Likewise.
3177         (add_call_read_ops): Likewise.
3178         (get_asm_expr_operands): Likewise.
3179         * tree-into-ssa.c (dump_decl_set): Likewise.
3180         (update_ssa): Likewise.
3181         * tree-sra.c (scan_function): Likewise.
3182         (decide_instantiations): Likewise.
3183         (scalarize_parms): Likewise.
3184         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3185         (dsa_named_for): Likewise.
3186         * tree-ssa-structalias.c (update_alias_info): Likewise.
3187         (merge_smts_into): Likewise.
3188
3189 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3190
3191         PR 34351
3192         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3193         * c-opts.c (c_common_handle_option): Wall enables
3194         Wvolatile-register-var.
3195         * common.opt: Move Wvolatile-register-var to...
3196         * c.opt: ...here.
3197         
3198 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3199
3200         * common.opt (Wlarger-than=): New.
3201         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3202         -Wlarger-than=.
3203         * opts.c (common_handle_option): Handle -Wlarger-than=.
3204         * optc-gen.awk: Likewise.
3205         * opth-gen.awk: Likewise.
3206         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3207         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3208         
3209 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3210
3211         * c-common.c (match_case_to_enum_1): Add appropriate
3212         OPT_W* parameter to warning.
3213         (c_do_switch_warnings): Likewise.
3214         * c-typeck.c (warning_init): Add one more parameter following
3215         'warning' function.
3216         (push_init_level): Update call to warning_init.
3217         (pop_init_level): Likewise.
3218         (add_pending_init): Likewise.
3219         (output_init_element: Likewise.
3220
3221 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3222
3223         PR 28322
3224         * toplev.c (toplev_main): If there are warnings or error, print
3225         errors for ignored options.
3226         * opts.c (ignored_options): New static variable.
3227         (postpone_unknown_option_error): New.
3228         (print_ignored_options): New.
3229         (handle_option): Postpone errors for unknown -Wno-* options.
3230         * opts.h (print_ignored_options): Declare.
3231         
3232 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3233
3234         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3235         to "ghost".
3236
3237 2008-02-25  Richard Guenther  <rguenther@suse.de>
3238
3239         Revert:
3240         2008-02-25  Richard Guenther  <rguenther@suse.de>
3241
3242         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3243         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3244         (lookup_decl_from_uid): Declare.
3245         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3246         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3247         (decl_for_uid_map): New global hashtable mapping DECL_UID
3248         to the decl tree.
3249         (init_ttree): Allocate it.
3250         (insert_decl_to_uid_decl_map): New helper function.
3251         (make_node_stat): Insert new decls into the map.
3252         (copy_node_stat): Likewise.
3253         (lookup_decl_from_uid): New function.
3254         (print_decl_for_uid_map_statistics): New helper.
3255         (dump_tree_statistics): Call it.
3256
3257         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3258         (referenced_var_iterator): Adjust.
3259         (FOR_EACH_REFERENCED_VAR): Adjust.
3260         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3261         (num_referenced_vars): Adjust.
3262         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3263         (first_referenced_var): Remove.
3264         (end_referenced_vars_p): Likewise.
3265         (next_referenced_var): Likewise.
3266         (referenced_var_iterator_set): New helper function.
3267         * tree-dfa.c (referenced_var_lookup): Adjust.
3268         (referenced_var_check_and_insert): Likewise.
3269         (remove_referenced_var): Likewise.
3270         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3271         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3272         (verify_call_clobbering): Likewise.
3273         (verify_memory_partitions): Likewise.
3274         (init_tree_ssa): Allocate bitmap instead of hashtable for
3275         referenced_vars.
3276         (delete_tree_ssa): Adjust.
3277         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3278         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3279         (compute_tag_properties): Likewise.
3280         (set_initial_properties): Likewise.
3281         (find_partition_for): Likewise.
3282         (update_reference_counts): Likewise.
3283         (dump_may_aliases_for): Likewise.
3284         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3285         (add_call_clobber_ops): Likewise.
3286         (add_call_read_ops): Likewise.
3287         (get_asm_expr_operands): Likewise.
3288         * tree-into-ssa.c (dump_decl_set): Likewise.
3289         (update_ssa): Likewise.
3290         * tree-sra.c (scan_function): Likewise.
3291         (decide_instantiations): Likewise.
3292         (scalarize_parms): Likewise.
3293         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3294         (dsa_named_for): Likewise.
3295         * tree-ssa-structalias.c (update_alias_info): Likewise.
3296         (merge_smts_into): Likewise.
3297
3298 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3299
3300         PR fortran/29549
3301         * doc/invoke.texi (-fcx-limited-range): Document new option.
3302         * toplev.c (process_options): Handle -fcx-fortran-rules.
3303         * common.opt: Add documentation for -fcx-fortran-rules.
3304
3305 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3306
3307         PR c/35162
3308         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3309         actual behaviour and C99.
3310         
3311 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3312
3313         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3314         (ASM_CPU_POWER6_SPEC): Likewise.
3315         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3316         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3317         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3318
3319 2008-02-25  Richard Guenther  <rguenther@suse.de>
3320
3321         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3322         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3323         (lookup_decl_from_uid): Declare.
3324         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3325         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3326         (decl_for_uid_map): New global hashtable mapping DECL_UID
3327         to the decl tree.
3328         (init_ttree): Allocate it.
3329         (insert_decl_to_uid_decl_map): New helper function.
3330         (make_node_stat): Insert new decls into the map.
3331         (copy_node_stat): Likewise.
3332         (lookup_decl_from_uid): New function.
3333         (print_decl_for_uid_map_statistics): New helper.
3334         (dump_tree_statistics): Call it.
3335
3336         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3337         (referenced_var_iterator): Adjust.
3338         (FOR_EACH_REFERENCED_VAR): Adjust.
3339         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3340         (num_referenced_vars): Adjust.
3341         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3342         (first_referenced_var): Remove.
3343         (end_referenced_vars_p): Likewise.
3344         (next_referenced_var): Likewise.
3345         (referenced_var_iterator_set): New helper function.
3346         * tree-dfa.c (referenced_var_lookup): Adjust.
3347         (referenced_var_check_and_insert): Likewise.
3348         (remove_referenced_var): Likewise.
3349         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3350         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3351         (verify_call_clobbering): Likewise.
3352         (verify_memory_partitions): Likewise.
3353         (init_tree_ssa): Allocate bitmap instead of hashtable for
3354         referenced_vars.
3355         (delete_tree_ssa): Adjust.
3356         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3357         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3358         (compute_tag_properties): Likewise.
3359         (set_initial_properties): Likewise.
3360         (find_partition_for): Likewise.
3361         (update_reference_counts): Likewise.
3362         (dump_may_aliases_for): Likewise.
3363         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3364         (add_call_clobber_ops): Likewise.
3365         (add_call_read_ops): Likewise.
3366         (get_asm_expr_operands): Likewise.
3367         * tree-into-ssa.c (dump_decl_set): Likewise.
3368         (update_ssa): Likewise.
3369         * tree-sra.c (scan_function): Likewise.
3370         (decide_instantiations): Likewise.
3371         (scalarize_parms): Likewise.
3372         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3373         (dsa_named_for): Likewise.
3374         * tree-ssa-structalias.c (update_alias_info): Likewise.
3375         (merge_smts_into): Likewise.
3376
3377 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3378
3379         PR target/35258
3380         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3381         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3382         * alias.h (nonoverlapping_memrefs_p): Likewise.
3383
3384 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3385
3386         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3387         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3388         __emultls_get_address, __emultls_register_common,
3389         __floatundi?f, and _Unwind_GetIPInfo.
3390         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3391         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3392         (gen_regparm_prefix): Likewise.
3393         (i386_nlm_encode_section_info): Sync with
3394         config/i386/winnt.c:i386_pe_encode_section_info().
3395         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3396         i386_nlm_mangle_decl_assembler_name): New.
3397         (netware_override_options): New.
3398         * config/i386/netware.h (netware_override_options): Declare.
3399         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3400         (i386_nlm_mangle_decl_assembler_name): Declare.
3401         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3402
3403 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3404
3405         PR other/32948
3406         * c-decl.c (grokdeclarator): Remove unused local variables
3407         `typedef_type' and `type_as_written'.
3408         * bb-reorder.c
3409         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3410         unused local variable `has_hot_blocks'.
3411         (fix_crossing_conditional_branches): Remove unused local variable
3412         `prev_bb'.
3413         
3414 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3415
3416         PR middle-end/19984
3417         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3418         using DEF_C99_BUILTIN.
3419         (BUILT_IN_NANF): Ditto.
3420         (BUILT_IN_NANL): Ditto.
3421
3422 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3423             Revital Eres  <eres@il.ibm.com>
3424
3425         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3426         regarding the order of two dependent insns in the same row.
3427
3428 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3429
3430         * stor-layout.c (layout_decl): Do not bump the alignment of a
3431         bit-field to more than byte alignment if it is packed.
3432
3433 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3434
3435         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3436         e300c2 and e300c3.
3437
3438 2008-02-24  Diego Novillo  <dnovillo@google.com>
3439
3440         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3441
3442         PR 33738
3443         * tree-vrp.c (vrp_evaluate_conditional): With
3444         -Wtype-limits, emit a warning when comparing against a
3445         constant outside the natural range of OP0's type.
3446         * c.opt (Wtype-limits): Move ...
3447         * common.opt (Wtype-limits): ... here.
3448
3449 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3450
3451         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3452         * config/rs6000/e300c2c3.md: New file.
3453         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3454         e300c2 and e300c3.
3455         (rs6000_override_options): Add e300c2 and e300c3 cases to
3456         processor_target_table. Do not allow usage of Altivec or Spe
3457         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3458         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3459         * config/rs6000/rs6000.h (processor_type): Add
3460         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3461         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3462         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3463         and ppce300c3. Include e300c2c3.md.
3464
3465 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3466
3467         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3468         instead of TARGET_STRICT_ALIGN.
3469
3470 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3471
3472         * explow.c (memory_address): Assert that the generated address is
3473         valid.
3474
3475 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3476
3477         PR target/25477
3478         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3479         * config/darwin-ppc-ldouble-patch.def: New file.
3480         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3481         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3482         SUBTARGET_INIT_BUILTINS if defined.
3483         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3484         New functions.
3485
3486 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3487
3488         PR rtl-opt/33512
3489         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3490         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3491
3492 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3493
3494         PR pch/35027
3495         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3496         file" warning condtional on -Winvalid-PCH.
3497
3498 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3499
3500         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3501
3502 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3503
3504         PR target/22076
3505         PR target/34256 
3506         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3507         prevent reload from using MMX registers.
3508         (*mov<mode>_internal): Ditto.
3509         (*movv2sf_internal_rex64): Ditto.
3510         (*movv2sf_internal): Ditto.
3511
3512 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3513
3514         PR documentation/31569
3515         * doc/install.texi2html: Use makeinfo --no-number-sections.
3516
3517 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3518
3519         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3520         ensure that we can address an entire entity > 8 bytes.  Don't
3521         generate reg+reg addressing for such data.
3522
3523 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3524
3525         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3526         strings when optimizing for size, unless the target cares about
3527         alignment.
3528
3529 2008-02-22  Tom Tromey  <tromey@redhat.com>
3530
3531         * regclass.c (current_pass): Remove declaration.
3532
3533 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3534
3535         * config/avr/libgcc.S (__RAMPZ__): Define.
3536         (__do_copy_data): Add for devices with 128KB code memory.
3537
3538 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3539
3540         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3541         Use spe_abi.
3542         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3543
3544 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3545
3546         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3547         GENNONACR_REGS.
3548
3549 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3550
3551         PR c/19999
3552         * c-typeck.c (build_binary_op): Warn about floating point
3553         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3554
3555 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3556
3557         PR target/34526
3558         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3559         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3560         add vrsave.
3561         (rs6000_override_options): Set altivec_abi as default, not override,
3562         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3563         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3564         is used; use new member spe_abi.
3565         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3566         spe_abi and altivec_abi.
3567
3568 2008-02-22  Tomas Bily  <tbily@suse.cz>
3569
3570         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3571
3572 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3573
3574         PR bootstrap/35273
3575         * config.build (build_file_translate): Set to `CMD //c' only if
3576         it works.
3577         * Makefile.in (build_file_translate): Improve comment.
3578
3579 2008-02-21  Jan Hubicka  <jh@suse.cz>
3580
3581         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3582         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3583         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3584
3585 2008-02-21  Michael Matz  <matz@suse.de>
3586
3587         PR target/35264
3588         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3589
3590 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3591
3592         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3593         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3594         as insn constraint.
3595         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3596         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3597         SSE_VEC_FLOAT_MODE_P as insn constraint.
3598         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3599         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3600         sse4a_movntdf using MODEF mode iterator.
3601         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3602         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3603         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3604         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3605         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3606         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3607         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3608
3609 2008-02-21  Richard Guenther  <rguenther@suse.de>
3610
3611         * tree.def (PAREN_EXPR): New tree code.
3612         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3613         and PAREN_EXPR.
3614         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3615         * expr.c (expand_expr_real_1): Likewise.
3616         * tree-inline.c (estimate_num_insns_1): Likewise.
3617         * tree-complex.c (expand_complex_move): Likewise.
3618         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3619         as plain x.
3620
3621 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3622
3623         PR target/35225
3624         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3625
3626 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3627
3628         PR target/35190
3629         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3630
3631         * config/sh/sh.c (find_barrier): Don't go past
3632         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3633
3634 2008-02-20  DJ Delorie  <dj@redhat.com>
3635
3636         * config/h8300/h8300.md (insv): Force source operand to be a register.
3637
3638         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3639         as a jump, not as a plain insn.
3640         
3641 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3642
3643         * doc/invoke.texi (Warning Options): Add new option
3644         -Wframe-larger-than=.
3645         (-Wframe-larger-than): Document.
3646
3647         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3648         Add declarations for new option variables.
3649
3650         * final.c (final_start_function): Check the frame size
3651         before emission and issue a Wframe-larger-than warning.
3652
3653         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3654         Add definitions for new option variables.
3655         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3656
3657         * common.opt (Wframe-larger-than=): New option.
3658
3659 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3660
3661         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3662         (<sse>_div<mode>3): Ditto.
3663         (<sse>_vmdiv<mode>3): Ditto.
3664         (<sse>_vmsqrt<mode>2): Ditto.
3665         (*smax<mode>3): Ditto.
3666         (sse5_frcz<mode>2): Ditto.
3667         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3668         as insn constraint.
3669
3670 2008-02-20  Richard Guenther  <rguenther@suse.de>
3671
3672         PR middle-end/35265
3673         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3674         be happy with INTEGRAL_TYPE_P.
3675
3676 2008-02-20  Richard Guenther  <rguenther@suse.de>
3677
3678         * fold-const.c (split_tree): Associate floatig-point expressions
3679         if flag_associative_math is set.
3680
3681 2008-02-20  Richard Guenther  <rguenther@suse.de>
3682
3683         * tree.h (fold_real_zero_addition_p): Declare.
3684         * fold-const.c (fold_real_zero_addition_p): Export.
3685         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3686         floating-point operations with zero and one.
3687
3688 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3689
3690         * doc/install.texi: Correct references to CFLAGS, replacing them
3691         with BOOT_CFLAGS.  Document flags used during bootstrap for
3692         target libraries.
3693                                 
3694 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3695
3696         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3697         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3698         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3699         insn constraint.
3700         (smin<mode>3): Ditto from similar patterns.
3701         (smax<mode>3): Ditto.
3702         (*ieee_smin<mode>3): Ditto.
3703         (*ieee_smax<mode>3): Ditto.
3704         * config/i386/sse.md (sse): New mode attribute.
3705         (mov<mode>): Macroize expander from movv4sf and movv2df using
3706         SSEMODEF2P mode iterator.
3707         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3708         SSE_VEC_FLOAT_MODE_P as insn constraint.
3709         (storent<mode>): Ditto.
3710         (storent<mode>): Macroize expander from storentsf and storentdf using
3711         MODEF mode iterator.
3712         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3713         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3714         (abs<mode>2): Ditto from similar patterns.
3715         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3716         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3717         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3718         (<sse>_vmsqrt<mode>2): Ditto.
3719         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3720         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3721         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3722         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3723         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3724         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3725         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3726         insn constraint.
3727         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3728         iterator and SSE_FLOAT_MODE_P as insn constraint.
3729         (<sse>_ucomi): Ditto from similar patterns.
3730         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3731         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3732         SSE_VEC_FLOAT_MODE_P as insn constraint.
3733         (vcond<mode>): Ditto from similar patterns.
3734         (and<mode>3, *and<mode>3): Ditto.
3735         (<sse>_nand<mode>3): Ditto.
3736         (ior<mode>3, *ior<mode>3): Ditto.
3737         (xor<mode>3, *xor<mode>3): Ditto.
3738         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3739         iterator and SSE_FLOAT_MODE_P as insn constraint.
3740         (*nand<mode>3): Ditto from similar patterns.
3741         (*ior<mode>3): Ditto.
3742         (*xor<mode>3): Ditto.
3743
3744 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3745
3746         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3747         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3748         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3749
3750 2008-02-19  Jan Hubicka  <jh@suse.cz>
3751
3752         * predict.c (tree_bb_level_predictions): Remove variable next
3753         mistakely introduced by previous commit.
3754
3755 2008-02-19  Jan Hubicka  <jh@suse.cz>
3756
3757         * predict.c (predict_paths_leading_to): Rewrite.
3758         (predict_paths_for_bb): New.
3759         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3760
3761 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3762
3763         PR bootstrap/35218
3764         * Makefile.in (build_file_translate): New.
3765         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3766         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3767         * configure.ac (build_file_translate): Substitute it.
3768         * configure: Regenerate.
3769
3770 2008-02-19  Jan Hubicka  <jh@suse.cz>
3771
3772         PR rtl-optimization/34408
3773         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3774         invalid sharing.
3775
3776 2008-02-19  Jan Hubicka  <jh@suse.cz>
3777
3778         PR middle-end/28779
3779         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3780         call_expr.
3781
3782 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3783
3784         PR Ada/35186
3785         * config/i386/i386-modes.def: Revert the last DI alignment
3786         change until Ada people can look into it.
3787
3788 2008-02-19  Nick Clifton  <nickc@redhat.com>
3789
3790         * opts.c (print_specific_help): Fix typo in --help text.
3791
3792 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3793
3794         PR target/35239
3795         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3796         32-bit inline asm without asm alternatives for host GCC < 3.0.
3797
3798 2008-02-19  Richard Guenther  <rguenther@suse.de>
3799
3800         PR tree-optimization/34989
3801         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3802         Allow propagation to INDIRECT_REF if we can simplify only.
3803
3804 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3805
3806         * c-common.c (warn_for_collisions_1): Use appropriate option when
3807         warning.
3808
3809 2008-02-19  Nick Clifton  <nickc@redhat.com>
3810
3811         PR other/31349
3812         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3813         (handle_options): Fix indentation.
3814         (print_filtered_help): If no language-specific options were
3815         displayed tell the user how to list all the options supported by
3816         the language's front-end.
3817         (print_specific_help): Fix indentation and remove duplicate line.
3818         (common_handle_option): Handle the -v option.
3819         For --help enable the display of undocumented options if the -v
3820         switch has been included on the command line.
3821         For --help= check for overlaps in the arguments between the option
3822         classes and the language names and issue a warning when they
3823         cannot be disambiguated.
3824         * c.opt (v): Pass on to the common option handler.
3825
3826 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3827
3828         * modulo-sched.c (sms_schedule): Change dump message when
3829         create_ddg function fails.
3830         (try_scheduling_node_in_cycle): Rename row to cycle.
3831         (print_partial_schedule): Rename CYCLE to ROW.
3832
3833 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3834             Zdenek Dvorak  <ook@ucw.cz>
3835
3836         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3837
3838 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3839
3840         PR target/33555
3841         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3842         (*x86_movdicc_0_m1_se): Ditto.
3843
3844 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3845
3846         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3847         (CMPtype): Define as __gcc_CMPtype.
3848         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3849         (CMPtype): Define as __gcc_CMPtype.
3850
3851 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3852
3853         Support valgrind 3.3 for --enable-checking=valgrind.
3854         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3855         here.
3856         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3857         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3858         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3859         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3860         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3861         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3862         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3863         respectively.
3864         * ggc-zone.c: Similar.
3865         * ggc-page.c: Similar.
3866
3867 2008-02-19  Paul Brook  <paul@codesourcery.com>
3868
3869         PR target/35071
3870         * config/arm/ieee754-df.S: Fix do_it typo.
3871         * config/arm/ieee754-sf.S: Fix do_it typo.
3872
3873 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3874
3875         PR target/35189
3876         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3877         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3878         (OPTION_MASK_ISA_SSE_SET): Likewise.
3879         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3880         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3881         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3882         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3883         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3884         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3885         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3886         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3887         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3888         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3889         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3890         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3891         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3892         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3893         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3894         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3895         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3896         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3897         (OPTION_MASK_ISA_SSE4): Removed.
3898         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3899         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3900         (override_options): Don't turn on implied SSE/MMX bits in
3901         ix86_isa_flags.
3902
3903 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3904
3905         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3906         32bit host.
3907
3908 2008-02-18  Joey Ye  <joey.ye@intel.com>
3909
3910         PR middle-end/34921
3911         * tree-nested.c (insert_field_into_struct): Set type alignment
3912         to field alignment if the former is less than the latter.
3913
3914 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3915
3916         * BASE-VER: Set to 4.4.0.
3917
3918 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3919
3920         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3921         * doc/cfg.texi: Likewise.
3922         * doc/extend.texi: Likewise.
3923         * doc/gty.texi: Likewise.
3924         * doc/invoke.texi: Likewise.
3925         * doc/loop.texi: Likewise.
3926         * doc/md.texi: Likewise.
3927         * doc/passes.texi: Likewise.
3928         * doc/rtl.texi: Likewise.
3929         * doc/sourcebuild.texi: Likewise.
3930         * doc/tm.texi: Likewise.
3931         * doc/tree-ssa.texi: Likewise.
3932
3933 2008-02-17  Richard Guenther  <rguenther@suse.de>
3934
3935         PR middle-end/35227
3936         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3937         without default definition.
3938
3939 2008-02-17  Richard Guenther  <rguenther@suse.de>
3940
3941         PR tree-optimization/35231
3942         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3943         if A | B != 1.
3944
3945 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3946
3947         Revert:
3948         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3949         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3950         libgcc_cmp_return mode.
3951
3952 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3953
3954         PR c/28368
3955         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3956
3957 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3958
3959         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3960         multilibs.
3961
3962 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3963
3964         * doc/c-tree.texi: Use `@.' where appropriate.
3965         * doc/extend.texi: Likewise.
3966         * doc/install.texi: Likewise.
3967         * doc/invoke.texi: Likewise.
3968         * doc/loop.texi: Likewise.
3969         * doc/makefile.texi: Likewise.
3970         * doc/md.texi: Likewise.
3971         * doc/passes.texi: Likewise.
3972         * doc/standards.texi: Likewise.
3973         * doc/tm.texi: Likewise.
3974
3975 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3976
3977         PR middle-end/35196
3978         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3979         in entry_bb.
3980         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3981         rather than in entry_bb.
3982
3983 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3984
3985         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3986         libgcc_cmp_return mode.
3987
3988 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3989
3990         PR middle-end/35130
3991         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3992         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3993
3994 2008-02-15  Richard Guenther  <rguenther@suse.de>
3995             Zdenek Dvorak  <ook@ucw.cz>
3996
3997         PR tree-optimization/35164
3998         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3999         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4000         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4001         Only propagate addresses which do not have abnormal SSA_NAMEs
4002         in their operands.
4003
4004 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4005
4006         PR target/35088
4007         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4008
4009 2008-02-15  Jan Hubicka  <jh@suse.cz>
4010
4011         PR middle-end/35149
4012         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4013
4014 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4015
4016         PR middle-end/34621
4017         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4018         when calculating alignment_pad.
4019
4020 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4021
4022         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4023         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4024         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4025         and STACK_BOUNDARY define.
4026
4027 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4028
4029         PR preprocessor/35061
4030         * c-pragma.c (handle_pragma_pop_macro): Check that
4031         pushed_macro_table has been allocated.
4032
4033 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4034
4035         PR middle-end/35136
4036         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4037         (force_gimple_operand): Likewise.
4038         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4039         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4040         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4041         (find_interesting_uses_address): Check addressability and alignment
4042         of the base expression only after substituting bases of IVs into it.
4043
4044 2008-02-14  Michael Matz  <matz@suse.de>
4045
4046         PR target/34930
4047         * function.c (instantiate_virtual_regs_in_insn): Reload address
4048         before falling back to reloading the whole operand.
4049
4050 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4051
4052         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4053         before the first section switch note.
4054
4055 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4056
4057         * doc/bugreport.texi: Update copyright years.
4058         * doc/c-tree.texi: Likewise.
4059         * doc/cfg.texi: Likewise.
4060         * doc/cpp.texi: Likewise.
4061         * doc/cppinternals.texi: Likewise.
4062         * doc/fragments.texi: Likewise.
4063         * doc/frontends.texi: Likewise.
4064         * doc/gcc.texi: Likewise.
4065         * doc/gty.texi: Likewise.
4066         * doc/hostconfig.texi: Likewise.
4067         * doc/implement-c.texi: Likewise.
4068         * doc/libgcc.texi: Likewise.
4069         * doc/loop.texi: Likewise.
4070         * doc/makefile.texi: Likewise.
4071         * doc/options.texi: Likewise.
4072         * doc/passes.texi: Likewise.
4073         * doc/rtl.texi: Likewise.
4074         * doc/sourcebuild.texi: Likewise.
4075         * doc/standards.texi: Likewise.
4076         * doc/tree-ssa.texi: Likewise.
4077         * doc/trouble.texi: Likewise.
4078
4079         * doc/extend.texi: Use @: or add comma where appropriate.
4080         * doc/invoke.texi: Likewise.
4081         * doc/tm.texi: Likewise.
4082
4083 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4084
4085         PR target/34393
4086         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4087         to a reg.
4088
4089 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4090
4091         * doc/md.texi (clz, ctz): Add reference.
4092         * doc/rtl.texi (clz, ctz): Likewise.
4093
4094 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4095
4096         PR other/35148
4097         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4098         srcdir.
4099
4100 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4101
4102         * config/s390/s390.c (struct constant_pool): New field
4103         emit_pool_after added.
4104         (s390_mainpool_start): Set the emit_pool_after flag according
4105         to the section switch notes.
4106         (s390_mainpool_finish): Consider emit_pool_after when emitting
4107         the literal pool at the end of the function.
4108         (s390_chunkify_start): Force literal pool splits at section
4109         switch notes.
4110
4111 2008-02-13  Michael Matz  <matz@suse.de>
4112
4113         PR debug/35065
4114         * var-tracking.c (clobber_variable_part): Correctly traverse the
4115         list.
4116
4117 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4118
4119         PR 29673
4120         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4121         Add -fdump-ipa-inline.
4122         * tree-dump.c (dump_files): Remove tree-inlined dump.
4123         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4124         
4125 2008-02-12  Richard Guenther  <rguenther@suse.de>
4126
4127         PR tree-optimization/35171
4128         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4129         default defs.
4130
4131 2008-02-12  Richard Guenther  <rguenther@suse.de>
4132
4133         PR middle-end/35163
4134         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4135         value-preserving mode.  Disallow final truncation.
4136
4137 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4138
4139         PR middle-end/35136
4140         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4141         code from here to...
4142         (force_gimple_operand): ...here.
4143
4144 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4145
4146         PR c++/35144
4147         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4148         non-compatible pointers.
4149         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4150         different FIELD_DECLs, try harder by comparing field offsets, sizes
4151         and types.
4152
4153         PR inline-asm/35160
4154         * function.c (match_asm_constraints_1): Don't replace the same input
4155         multiple times.
4156
4157 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4158
4159         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4160         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4161         (expand_epilogue): Restore RAMPZ register.
4162         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4163
4164 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4165
4166         * config/i386/cygwin.asm: (__alloca): Correct calling
4167         convention and alignment.
4168         (__chkstk): Force 8 byte stack alignment.
4169
4170 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4171             Richard Guenther  <rguenther@suse.de>
4172
4173         PR tree-optimization/33992
4174         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4175         the zero we compare against.
4176
4177 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4178
4179         PR libfortran/35063
4180         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4181         to CloseHandle after unlocking to prevent accumulation of handle
4182         count.
4183
4184 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4185
4186         PR middle_end/34150
4187         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4188         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4189         and update LABEL_NUSES during and after reload.
4190
4191 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4192
4193         PR middle-end/34627
4194         * combine.c (simplify_if_then_else): Make sure the comparison is
4195         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4196
4197 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4198
4199         PR bootstrap/35051
4200         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4201         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4202         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4203         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4204         * tree.h (get_type_static_bounds): Likewise.
4205
4206 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4207
4208         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4209         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4210         Make -Wfoo language annotations match what the compiler outputs.
4211
4212 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4213
4214         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4215         intrinsics spu_convts, spu_convtu, spu_convtf.
4216         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4217
4218 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4219
4220         * doc/extend.texi (Function Attributes) <noinline>: Mention
4221         asm ("") as method to keep calls.
4222
4223 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4224
4225         PR other/32754
4226         * doc/options.texi (Options): Replace references to opts.sh with
4227         optc-gen.awk.
4228         * opts-common.c: Likewise.
4229         * optc-gen.awk: Likewise.
4230         
4231 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4232
4233         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4234
4235 2008-02-07  Richard Henderson  <rth@redhat.com>
4236
4237         PR rtl-opt/33410
4238         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4239         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4240         funny mode.
4241
4242 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4243
4244         PR tree-optimization/35085
4245         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4246         for operand entry oe2 in addition to operand entry oe3 in order to
4247         expose more opportunities for vectorizer sum reduction.
4248
4249 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4250
4251         PR other/35107
4252         * Makefile.in (LIBS): Remove $(GMPLIBS).
4253         (cc1-dummy, cc1): Add $(GMPLIBS).
4254
4255 2008-02-06  Jan Hubicka  <jh@suse.cz>
4256
4257         PR target/23322
4258         * i386.md (moddf_integer): Do not produce partial memory stalls for
4259         targets where it hurts.
4260
4261 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4262
4263         PR target/35083
4264         * optabs.c (expand_float): Do not check for decimal modes when
4265         expanding unsigned integer through signed conversion.
4266
4267 2008-02-06  Nick Clifton  <nickc@redhat.com>
4268
4269         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4270         inside the clobber with a match_operand and duplicated operand
4271         number in the constraint.
4272         (ineqbranchsi): Delete redundant comment.
4273
4274 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4275
4276         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4277         builtin_define ("__USE_INIT_FINI__").
4278         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4279         -msx multilibs.
4280         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4281
4282 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4283
4284         PR documentation/30330
4285         * doc/invoke.texi (C++ Dialect Options)
4286         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4287         For each warning option -Wfoo that allows -Wno-foo, ensure both
4288         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4289         entry of -Wswitch-default, index -Wnormalized= including the
4290         `=', and -Wlarger-than-@var{len} including @var{len}.
4291
4292 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4293
4294         * config/i386/i386.md (floatunssisf2): Use
4295         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4296         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4297         Macroize expander using MODEF mode iterator.
4298
4299 2008-02-05  Diego Novillo  <dnovillo@google.com>
4300
4301         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4302
4303         PR 33738
4304         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4305
4306 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4307
4308         PR other/35070
4309         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4310
4311 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4312
4313         PR target/35084
4314         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4315         to indicate if a message should be generated.
4316         (init_cumulative_args): Updated.
4317         (function_value_32): Likewise.
4318
4319 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4320
4321         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4322
4323 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4324
4325         PR target/35083
4326         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4327         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4328
4329 2008-02-04  Diego Novillo  <dnovillo@google.com>
4330
4331         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4332
4333         PR 33738
4334         * tree-vrp.c (vrp_evaluate_conditional): With
4335         -Wtype-limits, emit a warning when comparing against a
4336         constant outside the natural range of OP0's type.
4337
4338 2008-02-04  Richard Guenther  <rguenther@suse.de>
4339
4340         PR middle-end/33631
4341         * expr.c (count_type_elements): Give for unions instead of
4342         guessing.
4343
4344 2008-02-04  Richard Guenther  <rguenther@suse.de>
4345
4346         PR middle-end/35043
4347         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4348         to TYPE_DOMAINs base type instead of using bitsizetype here.
4349
4350 2008-02-03  Jason Merrill  <jason@redhat.com>
4351
4352         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4353
4354 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4355
4356         PR other/29972
4357         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4358         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4359         (RS/6000 and PowerPC Options): Fix typos and markup.
4360         * doc/passes.texi (Tree-SSA passes): Likewise.
4361
4362 2008-02-02  Michael Matz  <matz@suse.de>
4363
4364         PR target/35045
4365         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4366         from record_last_reg_set_info.
4367         (record_last_reg_set_info): Take an RTX argument, iterate over all
4368         constituent hardregs.
4369         (record_last_set_info, record_opr_changes): Change calls to
4370         new signature or to record_last_reg_set_info_regno.
4371
4372 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4373
4374         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4375
4376 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4377
4378         PR rtl-optimization/34773
4379         * reg-notes.def (EQUAL): Mention significance of combination of
4380         REG_EQUAL and REG_RETVAL.
4381         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4382         insn that has a REG_RETVAL.
4383
4384 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4385
4386         PR bootstrap/33781
4387         * configure.ac (--enable-fixed-point): Disable unless explicitly
4388         requested on IRIX.
4389         * configure: Regenerate.
4390
4391 2008-02-01  Richard Guenther  <rguenther@suse.de>
4392
4393         PR other/35042
4394         * invoke.texi (-finline-limit): Remove no longer true parts
4395         of the documentation.  Note that there is no default value.
4396
4397 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4398             Mark Mitchell  <mark@codesourcery.com>
4399             Ben Elliston  <bje@au.ibm.com>
4400
4401         PR c/29326
4402         * doc/extend.texi (Other Builtins): Document.
4403
4404 2008-01-31  Tom Browder <tom.browder@gmail.com>
4405
4406         * doc/c-tree.texi (Types): Fix grammar.
4407         (Expression trees): Ditto.
4408         * doc/passes.texi (Tree-SSA passes): Ditto.
4409         
4410         * doc/configterms.texi (Configure Terms): Fix typo.
4411         * doc/cpp.texi (Common Predefined Macros): Ditto.
4412         * doc/md.texi (Machine Constraints): Ditto.
4413         
4414         * doc/makefile.texi (Makefile): Add comma.
4415
4416 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4417             Gerald Pfeifer  <gerald@pfeifer.com>
4418         
4419         * doc/sourcebuild.texi (Front End): Remove references to CVS
4420         and CVSROOT/modules.
4421         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4422         (Back End): Remove reference to CVS.
4423
4424 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4425
4426         PR target/34900
4427         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4428         comment from...
4429         (mips16_gp_pseudo_reg): ...here.
4430         * config/mips/mips.md (load_const_gp): Replace with...
4431         (load_const_gp_<mode>): ...this :P-based insn.
4432
4433 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4434
4435         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4436         options. Minor fixes.
4437         (-std): Move reference to standards closer to where language
4438         standards are first mentioned.
4439         
4440 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4441
4442         PR rtl-optimization/34995
4443         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4444         parameter and return a bool.  If the rtx parameter is nonnull,
4445         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4446         (find_reloads): Update call accordingly.  Pass the new operand
4447         if it needed no address reloads, otherwise pass null.
4448
4449 2008-01-30  Richard Henderson  <rth@redhat.com>
4450
4451         PR c/34993
4452         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4453         for unbounded arrays.
4454
4455 2008-01-30  Silvius Rus  <rus@google.com>
4456
4457         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4458
4459 2008-01-30  Jan Hubicka  <jh@suse.cz>
4460
4461         PR target/34982
4462         * i386.c (init_cumulative_args): Use real function declaration when
4463         calling locally.
4464
4465 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4466
4467         PR rtl-optimization/34998
4468         * global.c (build_insn_chain): Treat non-subreg_lowpart
4469         SUBREGs of pseudos as clobbering all the words covered by the
4470         SUBREG, not just all the bytes.
4471         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4472         original df_ref rather than an extract parameter.
4473         (global_conflicts): Update call accordingly.
4474
4475 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4476
4477         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4478         the overflow check to make it easier to read.
4479         (__fixtfdi): Change the type of the ll member in union
4480         long_double to UDItype_x.
4481
4482 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4483
4484         PR middle-end/34969
4485         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4486         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4487         * tree-inline.c (fold_marked_statements): Call
4488         cgraph_update_edges_for_call_stmt if folding a call statement.
4489         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4490         debug_generic_stmt calls, reset it back afterwards.
4491
4492         PR c/35017
4493         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4494         static decls.
4495         * c-typeck.c (build_external_ref): Don't pedwarn about
4496         static vars in current function's scope.
4497
4498 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4499
4500         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4501
4502 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4503
4504         PR c/35002
4505         * ipa-struct-reorg.c: Fix spelling.
4506         * params.def: Ditto.
4507
4508 2008-01-29  Richard Guenther  <rguenther@suse.de>
4509
4510         PR middle-end/35006
4511         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4512         field.
4513         * tree-inline.c (remap_type): Increment remapping_type_depth
4514         around remapping types.
4515         (copy_body_r): Only add referenced variables if they are referenced
4516         from code, not types.
4517
4518 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4519
4520         PR c++/34055
4521         PR c++/34103
4522         PR c++/34219
4523         PR c++/34606
4524         PR c++/34753
4525         PR c++/34754
4526         PR c++/34755
4527         PR c++/34919
4528         PR c++/34961
4529         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4530         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4531
4532 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4533
4534         PR target/34412
4535         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4536         pointer for tiny stack.
4537
4538 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4539
4540         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4541
4542 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4543
4544         * config/vx-common.h: Fix typo in comment.
4545
4546 2008-01-28  Ian Lance Taylor  <iant@google.com>
4547
4548         PR c++/34862
4549         PR c++/33407
4550         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4551         coalesce pointers if they have different DECL_NO_TBAA_P values.
4552         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4553         between variables with different DECL_NO_TBAA_P values.
4554
4555 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4556
4557         PR 31535
4558         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4559         are not legitimate small data references on SPE targets.
4560
4561 2008-01-28  David Daney  <ddaney@avtrex.com>
4562
4563         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4564
4565 2008-01-28  David Daney  <ddaney@avtrex.com>
4566
4567         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4568
4569 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4570
4571         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4572         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4573         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4574         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4575         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4576         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4577         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4578         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4579
4580 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4581
4582         * basic-block.h (condjump_equiv_p): Fix comment.
4583
4584 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4585
4586         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4587         print_generic_stmt_indented): Fix comment.
4588
4589 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4590
4591         * configure.ac (__stack_chk_fail): Add detecion for availability
4592         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4593         * configure: Regenerate.
4594
4595 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4596
4597         PR middle-end/34688
4598         * final.c (output_addr_const): Handle TRUNCATE.
4599
4600 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4601
4602         PR target/34711
4603         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4604         (zero_cost, infinite_cost): New constants.
4605         (struct cost_pair): Change type of cost to comp_cost.
4606         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4607         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4608         New functions.
4609         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4610         split_address_cost, ptr_difference_cost, difference_cost,
4611         get_computation_cost_at, get_computation_cost,
4612         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4613         determine_use_iv_cost_condition, determine_use_iv_costs,
4614         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4615         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4616         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4617         Change type of cost to comp_cost.
4618         (determine_iv_cost): Increase cost of non-original ivs, instead
4619         of decreasing the cost of original ones.
4620         (get_address_cost): Indicate the complexity of the addressing mode 
4621         in comp_cost.
4622         (try_add_cand_for): Prefer using ivs not specific to some object.
4623         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4624
4625 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4626             Janis Johnson  <janis187@us.ibm.com>
4627
4628         PR target/34814
4629         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4630         (TARGET_INSTANTIATE_DECLS): Likewise.
4631         * target.h (expand_to_rtl_hook): New target hook.
4632         (instantiate_decls): Likewise.
4633         * function.c (instantiate_decl): Make non-static.  Rename to...
4634         (instantiate_decl_rtl): ... this.
4635         (instantiate_expr): Use instantiate_decl_rtl.
4636         (instantiate_decls_1): Likewise.
4637         (instantiate_decls): Likewise.
4638         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4639         * function.h (instantiate_decl_rtl): Add prototype.
4640         * cfgexpand.c (target.h): New include.
4641         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4642         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4643         (TARGET_INSTANTIATE_DECLS): Likewise.
4644         (TARGET_INITIALIZER): New target hooks added.
4645         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4646         New prototype.
4647         * config/rs6000/rs6000.c (tree-flow.h): New include.
4648         (machine_function): Add sdmode_stack_slot field.
4649         (rs6000_alloc_sdmode_stack_slot): New function.
4650         (rs6000_instantiate_decls): Likewise.
4651         (rs6000_secondary_memory_needed_rtx): Likewise.
4652         (rs6000_check_sdmode): Likewise.
4653         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4654         (TARGET_INSTANTIATE_DECLS): Likewise.
4655         (rs6000_hard_regno_mode_ok): Allow SDmode.
4656         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4657         (rs6000_emit_move): Handle SDmode.
4658         (function_arg_advance): Likewise.
4659         (function_arg): Likewise.
4660         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4661         SDmode var args for 32-bit compiles.
4662         (rs6000_secondary_reload_class): Handle SDmode.
4663         (rs6000_output_function_epilogue): Likewise.
4664         (rs6000_function_value): Simplify if statement.
4665         (rs6000_libcall_value): Likewise.
4666         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4667         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4668         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4669         (movsd_hardfloat): New define_insn.
4670         (movsd_softfloat): Likewise.
4671         (movsd_store): Likewise.
4672         (movsd_load): Likewise.
4673         (extendsddd2): Likewise.
4674         (extendsdtd2): Likewise.
4675         (truncddsd2): Likewise.
4676         (movdd_hardfloat64): Fixup comment.
4677         (UNSPEC_MOVSD_LOAD): New constant.
4678         (UNSPEC_MOVSD_STORE): Likewise.
4679
4680 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4681
4682         PR c++/34965
4683         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4684         TRUTH_XOR_EXPR.
4685         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4686         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4687         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4688         and TRUTH_XOR_EXPR.
4689
4690 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4691
4692         PR target/34794
4693         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4694         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4695         __LONGDOUBLE128 too.
4696         * config/rs6000/aix61.h: New file.
4697
4698 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4699
4700         PR rtl-optimization/34959
4701         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4702         popcount and parity rtxes the same mode as their operand.
4703         Truncate or extend the result to the return value's mode
4704         if necessary.
4705
4706 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4707
4708         PR target/34981
4709         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4710         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4711         to GOT_VERSION_REGNUM.
4712         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4713         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4714         * config/mips/mips.c (mips_emit_call_insn): New function.
4715         (mips_call_tls_get_addr): Call mips_expand_call directly.
4716         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4717         emit_call_insn.
4718         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4719         (mips_expand_call): Update the call to mips16_build_call_stub
4720         accordingly and a remove redundant condition.  Assert that MIPS16
4721         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4722         the call insn.
4723         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4724         TARGET_USE_GOT.
4725         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4726         (mips_avoid_hazard): Remove hazard_set handling.
4727         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4728         (UNSPEC_RESTORE_GP): ...this.
4729         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4730         (FAKE_CALL_REGNO): Rename to...
4731         (GOT_VERSION_REGNUM): ...this.
4732         (type): Add "ghost" value.  Add an associated insn reservation.
4733         (hazard_set): Remove.
4734         (exception_receiver): Rename to...
4735         (restore_gp): ...this and update the unspec identifier accordingly.
4736         (exception_receiver, nonlocal_got_receiver): New expanders.
4737         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4738         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4739         (set_got_version, update_got_version): New patterns.
4740
4741 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4742
4743         PR target/34970
4744         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4745
4746 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4747
4748         PR other/31955
4749         * doc/install.texi2html: Generate gcc-vers.texi.
4750
4751 2008-01-25  DJ Delorie  <dj@redhat.com>
4752
4753         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4754
4755 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4756
4757         * config/c4x: Remove directory.
4758         * config.gcc (crx-*, mt-*): Mark obsolete.
4759         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4760         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4761         sh-*-rtemscoff*): Remove cases.
4762         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4763         * real.c (encode_c4x_single, decode_c4x_single,
4764         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4765         c4x_extended_format): Remove.
4766         * real.h (c4x_single_format, c4x_extended_format): Remove.
4767         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4768         on C4x.
4769         (Pragmas): Remove comment about c4x pragmas.
4770         * doc/install.texi (c4x): Remove target-specific instructions.
4771         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4772         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4773         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4774         refer to C4x source files as examples.
4775         (C4X_FLOAT_FORMAT): Remove documentation.
4776
4777 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4778
4779         * config/bfin/bfin.c (override_options): Reorder tests so that
4780         flag_pic gets enabled for -msep-data.
4781
4782 2008-01-25  Richard Guenther  <rguenther@suse.de>
4783
4784         PR middle-end/32244
4785         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4786         to its bitfield precision if required.
4787
4788 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4789
4790         PR middle-end/33880
4791         * tree-nested.c (walk_omp_for): New function.
4792         (convert_nonlocal_reference, convert_local_reference): Call
4793         walk_omp_for on OMP_FOR.
4794         (convert_call_expr): Call walk_body on OMP_FOR's
4795         OMP_FOR_PRE_INIT_BODY.
4796
4797 2008-01-25  Richard Guenther  <rguenther@suse.de>
4798
4799         PR tree-optimization/34966
4800         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4801         default defs and PHI_NODEs we have to insert after the
4802         defining statement.
4803
4804 2008-01-24  Nick Clifton  <nickc@redhat.com>
4805
4806         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4807         Provide a default definition.
4808         (LIBGCC2_UNITS_PER_WORD): Likewise.
4809
4810         * config/stormy16/stormy16.c: Include df.h for the prototype
4811         for df_regs_ever_live_p.
4812         (xstormy16_expand_builtin_va_start): Convert the stack offset
4813         into a component_ref and then use POINTER_PLUS_EXPR to add it
4814         to the incoming_virtual_args_rtx.
4815         (xstormy16_gimplify_va_arg_expr): Rename to
4816         xstormy16_gimplify_va_arg_expr.
4817         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4818         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4819         xstormy16_gimplify_va_arg_expr.
4820         Fix up some formatting issues.
4821
4822         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4823         Move to predicates.md.
4824         (xs_hi_general_operand): Likewise.
4825         (xs_hi_nonmemory_operand): Likewise.
4826         * config/stormy16/predicates.md:
4827         (xstormy16_carry_plus_operand): New predicate.
4828         (xs_hi_general_operand): New predicate.
4829         (xs_hi_nonmemory_operand): New predicate.
4830         * config/stormy16/stormy16-protos.h:
4831         (xstormy16_carry_plus_operand): Delete prototype.
4832         (xs_hi_general_operand): Likewise.
4833         (xs_hi_nonmemory_operand): Likewise.
4834
4835         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4836         modifiers as they are no longer needed and they can trigger
4837         reload spill failures.
4838
4839         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4840         with a match_operand in order to help reload.
4841
4842         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4843         constraint with 'e' for the 8th alternative as this version of
4844         the mov.w instruction only accepts the lower 8 registers.
4845
4846 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4847
4848         PR target/34856
4849         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4850         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4851         vector elements.
4852
4853 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4854
4855         PR middle-end/33333
4856         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4857
4858 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4859
4860         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4861         New functions.
4862         (remove_structure): Update allocations list before removing structure.
4863         
4864 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4865
4866         * ipa-struct-reorg.c (is_safe_cond_expr, 
4867         create_new_stmts_for_cond_expr): Use integer_zerop function,
4868         that recognize not only zero-pointer, but zero-integer too.
4869
4870 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4871
4872         PR other/22232
4873         * fixproto: Escape "." in sed expression that strips leading "./".
4874
4875 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4876
4877         PR driver/34904
4878         * gcc.c (SWITCH_OK): Removed.
4879         (SWITCH_LIVE): Changed to bit.
4880         (SWITCH_FALSE): Likewise.
4881         (SWITCH_IGNORE): Likewise.
4882         (switchstr): Change live_cond to unsigned int.
4883         (process_command): Replace SWITCH_OK with 0.
4884         (do_self_spec): Likewise.
4885         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4886         (give_switch): Likewise.
4887         (used_arg): Likewise.
4888         (do_spec_1): Set the SWITCH_IGNORE bit.
4889         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4890         bits.  Set the SWITCH_LIVE bit.
4891
4892 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4893
4894         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4895
4896 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4897
4898         PR tree-optimization/34472
4899         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4900         parameter to a "bool *" and set *DATA to false if there is
4901         an unsafe access.  Do not delete the structure here.
4902         (check_cond_exprs): Delete it here instead.
4903         (check_cond_exprs, exclude_cold_structs): Do not increase
4904         I when removing a structure.
4905
4906 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4907
4908         PR target/34856
4909         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4910         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4911
4912 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4913
4914         PR middle-end/34934
4915         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4916         a fixed vector for stack.
4917
4918 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4919
4920         PR c++/25701
4921         * doc/gcc.texi (Software development): Add a direntry for g++.
4922         
4923 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4924
4925         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4926         stale and straggling -fforce-addr comments above.
4927
4928         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4929         define.
4930         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4931         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4932
4933 2008-01-23  Michael Matz  <matz@suse.de>
4934
4935         PR debug/34895
4936         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4937         gen_type_die.
4938
4939 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4940
4941         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4942         malloc result type.
4943
4944 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4945
4946         * config/avr/avr.c (avr_current_arch): New variable.
4947         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4948         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4949         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4950         (avr_override_options): Init 'avr_current_arch'. 
4951         (base_arch_s): Move from here...
4952         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4953         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4954         'mega' to 'have_jmp_call'.
4955         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4956         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4957         macros.
4958         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4959         architectures.
4960         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4961         MULTILIB_MATCHES): (Ditto.).
4962
4963 2008-01-23  Richard Guenther  <rguenther@suse.de>
4964
4965         PR middle-end/31529
4966         * cgraphunit.c (cgraph_reset_node): Always mark the node
4967         not reachable if it is not queued already.
4968
4969 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4970
4971         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4972         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4973         (cputype_selected): New static variable.
4974         (bfin_handle_option): Set it if -mcpu is used.
4975         (override_option): Select default set of workarounds if no cpu type
4976         selected on the command line.
4977         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4978
4979         From  Michael Frysinger  <michael.frysinger@analog.com>
4980         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4981         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4982
4983         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4984         for bf547, bf523, bf524, and bf526.
4985         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4986         bf526.
4987         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4988         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4989         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4990         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4991         * doc/invoke.texi (Blackfin Options): Document that
4992         -mcpu now accept bf547, bf523, bf524, and bf526.
4993
4994 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4995
4996         PR rtl-optimization/34628
4997         * combine.c (try_combine): Stop and undo after the first combination
4998         if an autoincrement side-effect on the first insn has effectively
4999         been lost.
5000
5001 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5002
5003         PR target/34529
5004         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5005         Offset addresses are not valid for Altivec or paired float modes.
5006
5007 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5008
5009         PR c++/34607
5010         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5011         if DECL_INITIAL (decl) is error_mark_node.
5012
5013         PR c++/34914
5014         * c-common.c (handle_vector_size_attribute): Only allow
5015         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5016         the same way as pointer, array etc. types.
5017         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5018
5019         PR c++/34917
5020         * tree.c (build_type_attribute_qual_variant): Call
5021         build_qualified_type if attributes are equal, but quals are not.
5022
5023 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5024
5025         PR 32102
5026         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5027         * flags.h (warn_strict_aliasing): Remove.
5028         (warn_strict_overflow): Remove.
5029         * opts.c (warn_strict_aliasing): Remove.
5030         (warn_strict_overflow): Remove.
5031         * c-opts.c (c_common_handle_option): -Wall only sets
5032         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5033         (c_common_post_options): Give default values to -Wstrict-aliasing
5034         and -Wstrict-overflow if they are uninitialized.
5035         * common.opt (Wstrict-aliasing): Specify Var and Init.
5036         (Wstrict-overflow): Likewise.
5037
5038 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5039
5040         PR rtl-optimization/26854
5041         PR rtl-optimization/34400
5042         PR rtl-optimization/34884
5043         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5044         DF_RD->gen.
5045         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5046         (df_rd_bb_info.expanded_lr_out): Deleted
5047         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5048         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5049         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5050         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5051         Removed code to allocate, initialize or free expanded_lr_out.
5052         (df_rd_bb_local_compute_process_def): Restructured to make more
5053         understandable.
5054         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5055         sets if the sets are being trimmed.
5056
5057 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5058
5059         PR bootstrap/32287
5060         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5061         (as_vers): Likewise.
5062         * configure: Regenerated.
5063
5064 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5065
5066         PR middle-end/33092
5067         * tree-pass.h (pass_build_alias): New pass.
5068         * tree-ssa-alias.c (gate_build_alias): New.
5069         (pass_build_alias): New.
5070         * passes.c (init_optimization_passes): Add pass_build_alias after
5071         pass_create_structure_vars.
5072
5073 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5074
5075         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5076         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5077         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5078         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5079         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5080         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5081         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5082         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5083         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5084         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5085         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5086         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5087         * config/s390/s390.md (FP_ALL): New mode iterator.
5088         (_d): New mode attribute.
5089         ("*signbit<mode>2>"): Changed mode of first operand.
5090         ("isinf<mode>2"): Changed mode of first operand.
5091         ("*TDC_insn"): Adaptation for DFP modes.
5092
5093 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5094
5095         * tree.c (check_qualified_type): Improve function description.
5096
5097 2008-01-21  Jason Merrill  <jason@redhat.com>
5098
5099         PR c++/34196
5100         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5101         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5102         if it is set.
5103
5104 2008-01-21  DJ Delorie  <dj@redhat.com>
5105
5106         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5107         return zero.
5108
5109 2008-01-21  Richard Guenther  <rguenther@suse.de>
5110
5111         PR middle-end/34856
5112         * tree-cfg.c (verify_expr): Allow all invariant expressions
5113         instead of just constant class ones as reference argument.
5114         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5115         like any other constant.
5116         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5117
5118 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5119
5120         * regmove.c (fixup_match_1): Update call crossed frequencies.
5121
5122 2008-01-21  Richard Guenther  <rguenther@suse.de>
5123
5124         PR c/34885
5125         * tree-inline.c (setup_one_parameter): Deal with mismatched
5126         types using a VIEW_CONVERT_EXPR.
5127
5128 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5129             Olga Golovanevsky  <olga@il.ibm.com>
5130         
5131         PR tree-optimization/34701
5132         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5133         when the structure size is not a power of 2.
5134
5135 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5136
5137         * doc/install.texi: Add doc for --enable-checking=df.
5138         
5139 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5140
5141         PR rtl-optimization/34808
5142         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5143
5144 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5145
5146         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5147         input.
5148
5149 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5150
5151         PR rtl-optimization/26854
5152         PR rtl-optimization/34400
5153         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5154         DF_RD->gen.
5155         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5156         (df_rd_bb_info.expanded_lr_out): New.
5157         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5158         * loop_iv.c (iv_analysis_loop_init): Ditto.
5159         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5160         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5161         Added code to allocate, initialize or free expanded_lr_out.
5162         (df_rd_bb_local_compute_process_def): Restructured to make
5163         more understandable.
5164         (df_rd_confluence_n): Add code to do nothing with fake edges and
5165         code to no apply invalidate_by_call sets if the sets are being trimmed.
5166         (df_lr_local_finalize): Renamed to df_lr_finalize.
5167         (df_live_local_finalize): Renamed to df_live_finalize.
5168
5169 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5170
5171         PR target/34831
5172         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5173         deciding whether to use reciprocal instructions.
5174
5175 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5176
5177         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5178         dwarf2out_note_section_used if cold_text_section is NULL.
5179
5180 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5181
5182         PR gcov-profile/34610
5183         * tree-cfg.c (make_edges): Mark both outgoing edges from
5184         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5185         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5186         from OMP_FOR and OMP_CONTINUE outgoing edges.
5187
5188         * tree-profile.c (tree_profiling): Return early if
5189         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5190         at the end.
5191         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5192         from cfun to child_cfun.
5193         * function.h (struct function): Add after_tree_profile bit.
5194
5195 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5196
5197         * config/avr/avr.S (_exit): Disable interrupt.
5198
5199 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5200             Steven Bosscher  <stevenb.gcc@gmail.com>
5201
5202         PR rtl-optimization/26854
5203         PR rtl-optimization/34400
5204         * df-problems.c (df_live_scratch): New scratch bitmap.
5205         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5206         (df_live_reset): Clear the proper bitmaps.
5207         (df_live_bb_local_compute): Only process the artificial defs once
5208         since the order is not important.
5209         (df_live_init): Init the df_live sets only with the variables
5210         found live by df_lr.
5211         (df_live_transfer_function): Use the df_lr sets to prune the
5212         df_live sets as they are being computed.  
5213         (df_live_free): Free df_live_scratch.
5214
5215 2008-01-18  Ian Lance Taylor  <iant@google.com>
5216
5217         * common.opt: Add fmerge-debug-strings.
5218         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5219         flag_merge_debug_strings rather than flag_merge_constants.
5220         * doc/invoke.texi (Option Summary): Mention
5221         -fmerge-debug-strings.
5222         (Debugging Options): Document -fmerge-debug-strings.
5223
5224 2008-01-18  Ian Lance Taylor  <iant@google.com>
5225
5226         PR c++/33407
5227         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5228         (struct tree_function_decl): Add new field operator_new_flag.
5229         * tree-inline.c (expand_call_inline): When inlining a call to
5230         operator new, force the return value to go into a variable, and
5231         set DECL_NO_TBAA_P on that variable.
5232         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5233
5234 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5235
5236         PR debug/34484
5237         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5238         DWARF2_DEBUGGING_INFO.
5239         (dwarf2out_note_section_used): Ditto.  Add prototype.
5240         (have_multiple_function_sections, text_section_used,
5241         cold_text_section_used, *cold_text_sections): Move declarations
5242         before their uses.
5243
5244 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5245
5246         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5247         field and add signal_ra.
5248         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5249         assignments to frame state pc.  Move end of stack check after
5250         MD_FALLBACK_FRAME_STATE_FOR.
5251         (uw_update_context_1): Use frame state signal_regs if set, instead
5252         of checking signal_frame flag.
5253         (uw_update_context): Use frame state signal_ra if set.
5254         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5255         * config/xtensa/linux-unwind.h: New file.
5256
5257 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5258
5259         * modulo-sched.c (get_sched_window): Fix comment typo.
5260
5261 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5262
5263         PR tree-optimization/34648
5264         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5265
5266 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5267
5268         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5269         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5270
5271 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5272
5273         PR rtl-optimization/34400
5274         * df-core.c (df_worklist_dataflow_overeager,
5275         df_worklist_dataflow_doublequeue): New functions.
5276         (df_worklist_dataflow): Two different worklist solvers.
5277         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5278         New param.
5279
5280 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5281
5282         PR testsuite/34821
5283         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5284         and ftree-parallelize-loops.
5285
5286 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5287
5288         PR rtl-optimization/34826
5289         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5290
5291 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5292
5293         * global.c (find_reg): Mark the eh regs as used if necessary.
5294         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5295         * ra.h (struct allocno): no_eh_reg field added.  Changed
5296         no_stack_reg type to bitfield.
5297
5298 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5299
5300         * tree.c (substitute_in_expr): Add missing 'break'.
5301
5302 2008-01-17  Richard Guenther  <rguenther@suse.de>
5303
5304         PR tree-optimization/34825
5305         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5306         x / x as division to handle.
5307
5308 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5309
5310         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5311         "-pthread" is specified.
5312         * pa-hpux11.h (LIB_SPEC): Likewise.
5313
5314 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5315             Peter Bergner  <bergner@vnet.ibm.com>
5316
5317         PR rtl-optimization/33796
5318         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5319
5320 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5321
5322         PR libgfortran/34699
5323         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5324         static links.
5325         * pa-hpux10.h (LINK_SPEC): Likewise.
5326         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5327
5328 2008-01-16  Richard Guenther  <rguenther@suse.de>
5329
5330         PR middle-end/32628
5331         * fold-const.c (fold_convert_const_int_from_int): Do not
5332         set overflow if that occured only because of a sign extension
5333         change when converting from/to a sizetype with the same
5334         precision and signedness.
5335
5336 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5337
5338         PR debug/34249
5339         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5340         location address to the correct place.  Update copyright year.
5341
5342 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5343
5344         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5345         no dependences in the dependence_relations vector.
5346
5347 2008-01-16  Jan Hubicka  <jh@suse.cz>
5348
5349         PR rtl-optimization/31396
5350         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5351         * cfg.c (dump_reg_info): Print it.
5352         * regs.h (struct reg_info_t): add freq_calls_crossed.
5353         (REG_FREQ_CALLS_CROSSED): New macro.
5354         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5355         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5356         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5357         regmove_optimize): Update call crossed frequencies.
5358         * local-alloc.c (struct qty): Add freq_calls_crossed.
5359         (alloc_qty): Copute freq_calls_crossed.
5360         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5361         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5362         * ra.h (struct allocno): Add freq_calls_crossed.
5363
5364 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5365
5366         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5367         libgomp when compiling with ftree-parallelize-loops.
5368         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5369
5370 2008-01-16  Richard Guenther  <rguenther@suse.de>
5371
5372         PR tree-optimization/34769
5373         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5374         * tree.c (int_cst_value): Instead make this function more
5375         permissive in what it accepts as valid input.  Document this
5376         function always sign-extends the value.
5377
5378 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5379             Richard Guenther  <rguenther@suse.de>
5380
5381         PR c/34668
5382         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5383         (gimple_fold_indirect_ref_rhs): ... this.
5384         (gimple_fold_indirect_ref): New function with foldings
5385         that preserve lvalueness.
5386         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5387         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5388         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5389         to fold an INDIRECT_REF, fall back to the old use of
5390         fold_indirect_ref_1.
5391
5392 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5393
5394         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5395         free_conflict_function.
5396         (compute_self_dependence): Same.
5397
5398 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5399
5400         PR debug/34249
5401         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5402         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5403         function global.
5404         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5405         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5406         for DWARF2_UNWIND_INFO targets.
5407
5408 2008-01-16  Richard Guenther  <rguenther@suse.de>
5409
5410         PR c/34768
5411         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5412         type qualifiers for function types.
5413
5414 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5415
5416         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5417         loop_iterator li from previous commit.
5418
5419 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5420
5421         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5422
5423 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5424
5425         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5426         (parallelize_loops): Don't parallelize irreducible components.
5427
5428 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5429
5430         PR c++/24924
5431         * c-opts (c_common_post_options): Do not enable CPP
5432         flag_pedantic_errors by default.
5433         
5434 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5435
5436         PR rtl-optimization/31944
5437         * cse.c (remove_pseudo_from_table): New function.
5438         (merge_equiv_classes): Use above function to remove pseudo-registers.
5439         (invalidate): Likewise.
5440
5441 2008-01-13  Richard Guenther  <rguenther@suse.de>
5442
5443         PR middle-end/34601
5444         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5445         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5446
5447 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5448
5449         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5450         validate_change to unshare the source of the PC set.
5451
5452 2008-01-12  Jan Hubicka  <jh@suse.cz>
5453
5454         PR middle-end/32135
5455         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5456         references above array bounds.  This might trigger bounds checks for
5457         pointers to arrays.
5458
5459 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5460
5461         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5462         new_replaceable_dependencies.
5463
5464 2008-01-12  Doug Kwan  <dougkwan@google.com>
5465
5466         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5467         instead of OPT_Wreturn_type in warning due to ignored return type
5468         qualifiers.
5469         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5470         options included in -Wextra.
5471         * c.opt: New option -Wignored_qualifiers.
5472         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5473         -Wignore_qualifiers.
5474         (-Wignored-qualifiers): Document.
5475         (-Wreturn-type): Remove description of functionality now handled
5476         by -Wignored-qualifiers.
5477
5478 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5479
5480         PR ada/33788
5481         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5482         NOP_EXPR if it is between integral types with the same precision.
5483
5484 2008-01-12  Jan Hubicka  <jh@suse.cz>
5485
5486         PR other/28023
5487         * invoke.texi (max-inline-recursive-depth): Fix default value.
5488
5489 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5490
5491         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5492         correct type.
5493
5494 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5495         
5496         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5497         
5498 2008-01-11  James E. Wilson  <wilson@specifix.com>
5499
5500         PR target/26015
5501         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5502
5503 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5504
5505         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5506         save/restore frame pointer register and don't use 'call-prologues' 
5507         optimization in function with "OS_task" attribute.
5508
5509 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5510
5511         PR middle-end/31309
5512         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5513         when copying to memory.
5514
5515 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5516
5517         PR rtl-optimization/30905
5518         * cfgcleanup.c: Include dce.h
5519         (crossjumps_occured): New global variable.
5520         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5521         If something changed, set crossjumps_occured to true.
5522         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5523         Don't add/remove fake edges to exit here...
5524         (cleanup_cfg): ...but do it here, when crossjumping.
5525         Run a fast DCE when successful crossjumps occured in the latest
5526         iteration of try_optimize_cfg.
5527
5528 2008-01-11  Richard Guenther  <rguenther@suse.de>
5529
5530         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5531         (struct vn_unary_op_s): Likewise.
5532         (vn_reference_insert): Free old reference on hash collision.
5533
5534 2008-01-10  Raksit Ashok  <raksit@google.com>
5535
5536         PR rtl-optimization/27971
5537         * combine.c (find_split_point): Split PLUS expressions which are
5538         inside a MEM rtx, and whose first operand is complex.
5539
5540 2008-01-10  DJ Delorie  <dj@redhat.com>
5541
5542         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5543         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5544         (m32c_hard_regno_ok): Call the underlying function.
5545
5546 2008-01-10  Richard Guenther  <rguenther@suse.de>
5547
5548         PR middle-end/34683
5549         * tree-cfg.c (tree_merge_blocks): Do not go through the
5550         full-blown folding and stmt updating path if we just deal
5551         with virtual operands.
5552         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5553         test for abnormal SSA_NAMEs.
5554
5555 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5556
5557         PR middle-end/34641
5558         * reload.c (push_reload): Add assertions.  All constants from
5559         reg_equiv_constant should have been used for replacing the respective
5560         pseudo earlier.
5561         (find_reloads_address): Invoke find_reloads_address_part for
5562         constant taken from the reg_equiv_constant array.
5563
5564 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5565
5566         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5567         field (valnum) the first in the struct.  Replace bools with
5568         unit bit fields.
5569
5570 2008-01-10  Richard Guenther  <rguenther@suse.de>
5571
5572         PR tree-optimization/34651
5573         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5574         types and ordering for masking and converting.
5575
5576 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5577
5578         PR tree-optimization/34017
5579         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5580         also for PHI_NODE expressions.
5581
5582 2008-01-09  Jan Hubicka  <jh@suse.cz>
5583
5584         PR tree-optimization/34708
5585         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5586         based on number of case labels.
5587         (init_inline_once): Remove switch_cost.
5588         * tree-inline.h (eni_weights_d): Remove switch_cost.
5589
5590 2008-01-09  Richard Guenther  <rguenther@suse.de>
5591         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5592
5593         PR middle-end/30132
5594         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5595         temporary if an rvalue is ok or an lvalue is not required.
5596
5597 2008-01-09  Richard Guenther  <rguenther@suse.de>
5598
5599         PR middle-end/34458
5600         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5601         adjust return type.
5602
5603 2008-01-09  Richard Guenther  <rguenther@suse.de>
5604
5605         PR middle-end/34679
5606         * tree.c (host_integerp): Check for sizetype only if the
5607         type is an integer type.
5608
5609 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5610
5611         PR debug/26364
5612         * opts.c (decode_options): Disable inlining of functions called
5613         once if not in unit-at-a-time mode.
5614
5615 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5616
5617         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5618
5619 2008-01-08  Richard Guenther  <rguenther@suse.de>
5620
5621         PR middle-end/31863
5622         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5623         out early if the result will be unused.
5624
5625 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5626
5627         PR target/34709
5628         Revert:
5629
5630         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5631         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5632         for TARGET_RECIP.       
5633         
5634 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5635         
5636         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5637         for vectorization tuned.
5638         
5639 2008-01-08  Richard Guenther  <rguenther@suse.de>
5640
5641         PR tree-optimization/34683
5642         * tree-ssa-operands.c (operand_build_cmp): Export.
5643         * tree-ssa-operands.h (operand_build_cmp): Declare.
5644         * tree-vn.c (vuses_compare): Remove.
5645         (sort_vuses): Use operand_build_cmp.
5646         (sort_vuses_heap): Likewise.
5647         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5648         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5649         (vdefs_to_vec): Do not sort already sorted VDEFs.
5650
5651 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5652
5653         PR middle-end/34694
5654         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5655
5656 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5657
5658         PR target/34702
5659         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5660         limitations of reciprocal sequences on x86 targets.
5661
5662 2008-01-08  Richard Guenther  <rguenther@suse.de>
5663
5664         PR tree-optimization/34683
5665         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5666
5667 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5668
5669         PR target/34622
5670         * config/darwin.c (darwin_mergeable_string_section): Don't use
5671         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5672
5673 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5674
5675         PR target/34682
5676         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5677         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5678         predicates of op0 and op1 to register_operand.
5679         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5680         expander using X87MODEF mode iterator.  Change predicates of
5681         op0 and op1 to register_operand.
5682         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5683         corresponding patterns and macroize using MODEF macro.  Change
5684         predicates of op0 and op1 to register_operand and remove
5685         "m" constraint. Disparage "r" alternative with "!".
5686         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5687         macroize using X87MODEF macro.  Change predicates of op0 and op1
5688         to register_operand and remove "m" constraint.  Disparage "r"
5689         alternative with "!".
5690         (absneg splitter with memory operands): Remove.
5691         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5692         patterns and macroize using X87MODEF mode iterator.
5693         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5694         Change predicate of op1 to register_operand.
5695         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5696         for memory operands.
5697
5698 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5699
5700         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5701
5702 2008-01-07  Richard Guenther  <rguenther@suse.de>
5703
5704         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5705         fields.
5706
5707 2008-01-07  Richard Guenther  <rguenther@suse.de>
5708
5709         PR tree-optimization/34683
5710         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5711         VOPs of the needed size to save memory.  Use VEC_quick_push
5712         to save compile-time.
5713         (vdefs_to_vec): Likewise.
5714
5715 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5716
5717         * config/spu/spu.md (divdf3): Genetate inline code for double
5718         division.  The implementation doesn't handle INF or NAN, therefore it
5719         only applies when -ffinite-math-only is given.
5720
5721 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5722
5723         PR libstdc++/34680
5724         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5725         * doc/cpp.texi ([Common Predefined Macros]): Document.
5726
5727 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5728
5729         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5730         order to use commutative addition instead of subtraction.
5731
5732 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5733             Mircea Namolaru  <namolaru@il.ibm.com>
5734             Vladimir Yanovsky  <yanov@il.ibm.com>
5735             Revital Eres  <eres@il.ibm.com>
5736
5737         PR tree-optimization/34263
5738         * tree-outof-ssa.c (process_single_block_loop_latch,
5739         contains_tree_r): New functions.
5740         (analyze_edges_for_bb): Call process_single_block_loop_latch
5741         function to empty single-basic-block latch block if possible.
5742
5743 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5744
5745         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5746         for TARGET_RECIP.
5747         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5748
5749 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5750
5751         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5752
5753 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5754
5755         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5756
5757 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5758
5759         PR tree-optimization/34618
5760         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5761         flag from T.
5762
5763 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5764
5765         PR target/34673
5766         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5767         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5768         Update copyright year.
5769
5770         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5771         Update copyright year.
5772         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5773         using NR fixup.
5774
5775 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5776
5777         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5778         edge does not point to current bb before changing need_assert.
5779
5780 2008-01-04  Richard Guenther  <rguenther@suse.de>
5781
5782         PR middle-end/34029
5783         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5784         for verifying purposes if they are is_gimple_min_invariant.
5785
5786 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5787
5788         PR tree-optimization/34448
5789         PR tree-optimization/34465
5790         * gimplify.c (gimplify_init_constructor): Add new parameter
5791         notify_temp_creation.  Use it.
5792         (gimplify_modify_expr_rhs): Take volatiles into account when
5793         optimizing constructors.
5794         Do not optimize constructors if gimplify_init_constructor will dump to
5795         memory.
5796         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5797         * gcc.c-torture/compile/pr34448.c: New.
5798
5799 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5800
5801         PR gcov-profile/34609
5802         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5803         return_slot if result is TREE_ADDRESSABLE.
5804
5805 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5806
5807         * config/mips/mips.md (sqrt_condition): Tweak comment.
5808         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5809
5810 2008-01-03  Tom Tromey  <tromey@redhat.com>
5811
5812         PR c/34457
5813         * c-common.c (c_type_hash): Handle VLAs.
5814
5815 2008-01-03  Jan Hubicka  <jh@suse.cz>
5816
5817         PR tree-optimization/31081
5818         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5819         0 when inlining and not inlining to first basic block.
5820         (remap_decl): When var is initialized to 0, don't set default_def.
5821         (expand_call_inline): Set entry_bb.
5822         * tree-inline.h (copy_body_data): Add entry_bb.
5823
5824 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5825
5826         PR c++/34619
5827         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5828         before returning.
5829
5830         PR tree-optimization/29484
5831         * tree-inline.c (inline_forbidden_p_2): New function.
5832         (inline_forbidden_p): Disallow inlining if some static var
5833         has an address of a local LABEL_DECL in its initializer.
5834         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5835         vs. inlining.
5836
5837 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5838
5839         PR tree-optimization/34635
5840         * tree-data-ref.c (add_other_self_distances): Make sure that the
5841         evolution step is constant.
5842
5843 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5844
5845         PR middle-end/34608
5846         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5847
5848 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5849
5850         * tree-sra.c (scalarize_init): Insert the generate_element_init
5851         statements after the generate_element_zero statements.
5852
5853 2008-01-02  Richard Guenther  <rguenther@suse.de>
5854
5855         PR middle-end/34093
5856         PR middle-end/31976
5857         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5858         for very large number of operands instead of ICEing.
5859
5860 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5861
5862         PR target/34013
5863         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5864         while stack probing.
5865
5866 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5867
5868         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5869         in C++0x mode.
5870
5871 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5872
5873         PR libmudflap/26442
5874         * tree-mudflap.c (mx_register_decls): Guard warning by
5875         !DECL_ARTIFICIAL check.
5876
5877 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5878
5879         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5880         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5881         sse5_perm<mode>): Fix constraints.