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PR c/35440
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1 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c/35440
4         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
5         for all types.
6
7 2008-04-04  Richard Guenther  <rguenther@suse.de>
8
9         PR middle-end/35823
10         * fold-const.c (optimize_minmax_comparison): Use the correct
11         type for the constant in the simplified comparison.
12
13 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14
15         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
16         Pass L2 size as "--param l2-cache-size" to the compiler.
17         (decode_l2_cache): New function to decode L2 cache parameters using
18         0x8000006 extended cpuid function.
19         (detect_caches_amd): Determine parameters of L2 cache using
20         decode_l2_caches function.
21         (decode_caches_intel): Decode L2 cache parameters.
22         (detect_caches_intel): Determine L2 cache parameters using
23         decode_caches_intel and decode_l2_caches functions.
24
25 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
26
27         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
28         secondary input reload for subword loads from the constant pool.
29
30 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
31
32         PR target/35713
33         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
34           constants of the appropriate size for runtime calculations.
35
36         PR c/35712
37         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
38           decimal-float literal constant zero.
39
40 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
41
42         PR c/35738
43         * c-parser.c (c_parser_omp_atomic): Call
44         default_function_array_conversion on the RHS.
45
46         PR middle-end/35818
47         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
48         call is_variable_sized if decl has incomplete type.
49
50 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
51
52         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
53
54 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
55
56         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
57         iterators.
58         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
59         leu.
60         (sgt<u>): Merge sgt and sgtu into new expander.
61         (sgt, sgtu): Remove expanders.
62         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
63         pattern.
64         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
65         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
66         *sgtu_<mode>_mips16 into new pattern.
67         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
68         (sge<u>): Merge sge and sgeu into new expander.
69         (sge, sgeu): Remove expanders.
70         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
71         new pattern.
72         (*sge_<mode>, second *sge_<mode>): Remove patterns.
73         (slt<u>): Merge slt and sltu into new expander.
74         (slt, sltu): Remove expanders.
75         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
76         pattern.
77         (*slt_<mode>, *sltu_<mode>): Remove patterns.
78         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
79         *sltu_<mode>_mips16 into new pattern.
80         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
81         (sle<u>): Merge sle and sleu into new expander.
82         (sle, sleu): Remove expanders.
83         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
84         pattern.
85         (*sle_<mode>, *sleu_<mode>): Remove patterns.
86         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
87         *sleu_<mode>_mips16 into new pattern.
88         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
89
90 2008-04-03  Jan Hubicka  <jh@suse.cz>
91
92         PR tree-optimization/35795
93         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
94         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
95         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
96         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
97         * score/score3.c (score3_output_mi_thunk): Likewise.
98         * score/score7.c (score7_output_mi_thunk): Likewise.
99         * mips/mips.c (mips_output_mi_thunk): Likewise.
100
101 2008-04-03  Richard Guenther  <rguenther@suse.de>
102
103         * tree-vrp.c (extract_range_from_unary_expr): Handle all
104         conversions.  Simplify code.
105
106 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
107
108         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
109
110 2008-04-03  Tom Tromey  <tromey@redhat.com>
111             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
112
113         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
114         * config/bfin/t-bfin-linux (generated_files): Add
115         linux-sysroot-suffix.h.
116         * doc/install.texi (Prerequisites): Require make 3.80.
117         * doc/sourcebuild.texi (Front End Directory): Document new
118         variable.
119         * Makefile.in (generated_files): New variable.
120         (ALL_HOST_OBJS): New variable.
121         ($(ALL_HOST_OBJS)): New target.
122
123 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
124
125         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
126         (remap_block): Call id->transform_lang_insert_block instead
127         of langhook.
128         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
129         Set id.transform_lang_insert_block to NULL.
130         (clone_body): Move to cp/optimize.c
131         * tree-inline.h (struct copy_body_data): Change
132         transform_lang_insert_block to function pointer.
133         (copy_generic_body, copy_decl_no_change): Export.
134         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
135         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
136         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
137
138         * c-tree.h (insert_block): Kill.
139         * c-decl.c (insert_block): Kill.
140
141 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
142
143         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
144         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
145         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
146         argument.
147         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
148         argument, call {push,pop}_function_context from here.
149         * c-parser.c: Use c_{push,pop}_function_context.
150
151         * function.c (push_function_context_to): Move meat ...
152         (push_function_context): ... here.  Simplify.
153         * function.c (pop_function_context_from): Move meat ...
154         (pop_function_context): ... here.  Simplify.
155         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
156         leave_nested).
157         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
158         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
159         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
160         * tree.h (push_function_context_to, pop_function_context_from): Remove.
161
162 2008-04-03  Ben Elliston  <bje@au.ibm.com>
163
164         * expmed.c (extract_force_align_mem_bit_field): Remove.
165
166 2008-04-03  Richard Guenther  <rguenther@suse.de>
167
168         PR middle-end/35800
169         * expr.h (try_casesi): Adjust prototype.
170         * expr.c (try_casesi): Take fallback label as extra parameter.
171         Use that for gen_casesi if default_label is NULL.
172         * stmt.c (expand_case): Pass fallback label to try_casesi,
173         make sure to fill gaps with a fallback label if default_label
174         is not present.
175
176 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
177
178         PR target/35801
179         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
180
181 2008-04-03  Ben Elliston  <bje@au.ibm.com>
182
183         * expmed.c (extract_split_bit_field): Remove if (0) code.
184         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
185         (do_ds_constraint): Likewise.
186
187 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
188
189         * doc/cppopts.texi (-dU): Document.
190         * c-common.h (flag_dump_macros): Update comment.
191         * c-opts.c (handle_OPT_d): Handle -dU.
192         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
193         dump_queued_macros, cb_used_define, cb_used_undef): New.
194         (init_pp_output): Handle -dU.
195         (cb_line_change): Call dump_queued_macros.
196         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
197
198 2008-04-02  Anatoly Sokolov <aesok@post.ru>
199
200         * config/avr/predicates.md (io_address_operand): New predicate. 
201         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
202         * config/avr/avr.c (avr_io_address_p): Remove function.
203         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
204         'avr_io_address_p' function.
205         (out_movhi_r_mr): (Ditto.).
206         (out_movqi_mr_r): (Ditto.).
207         (out_movhi_mr_r): (Ditto.).
208         (avr_address_cost): (Ditto.).
209
210 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
211
212         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
213         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
214         in 32bit mode when XMM registers are available to avoid store
215         forwarding stalls.
216         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
217         corresponding post-reload splitters.
218
219 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
220
221         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
222         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
223         __builtin_ia32_roundss.
224         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
225         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
226         __builtin_ia32_roundss.
227         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
228         IX86_BUILTIN_SHUFPD here.
229
230 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
231
232         * config/i386/i386.md (plogic): New.
233         (plogicprefix): Likewise.
234
235         * config/i386/mmx.md (mmx_<code><mode>3): New.
236         (mmx_and<mode>3): Removed.
237         (mmx_ior<mode>3): Likewise.
238         (mmx_xor<mode>3): Likewise.
239
240         * config/i386/sse.md (<code><mode>3): New.
241         (*<code><mode>3): Likewise.
242         (*<code><mode>3): Likewise.
243         (<code><mode>3): Likewise.
244         (*sse_<code><mode>3): Likewise.
245         (*sse2_<code><mode>3): Likewise.
246         (<code>tf3): Likewise.
247         (*<code>tf3): Likewise.
248         (and<mode>3): Likewise.
249         (*and<mode>3): Likewise.
250         (ior<mode>3): Removed.
251         (*ior<mode>3): Likewise.
252         (xor<mode>3): Likewise.
253         (*xor<mode>3): Likewise.
254         (*and<mode>3): Likewise.
255         (*ior<mode>3): Likewise.
256         (*xor<mode>3): Likewise.
257         (and<mode>3): Likewise.
258         (*sse_and<mode>3): Likewise.
259         (*sse2_and<mode>3): Likewise.
260         (andtf3): Likewise.
261         (*andtf3): Likewise.
262         (ior<mode>3): Likewise.
263         (*sse_ior<mode>3): Likewise.
264         (*sse2_ior<mode>3): Likewise.
265         (iortf3): Likewise.
266         (*iortf3): Likewise.
267         (xor<mode>3): Likewise.
268         (*sse_xor<mode>3): Likewise.
269         (*sse2_xor<mode>3): Likewise.
270         (xortf3): Likewise.
271         (*xortf3): Likewise.
272
273 2008-04-02  Richard Guenther  <rguenther@suse.de>
274
275         PR tree-optimization/14495
276         PR tree-optimization/34793
277         * tree-vrp.c (struct switch_update): New structure.
278         (to_remove_edges, to_update_switch_stmts): New VECs.
279         (simplify_switch_using_ranges): New function.  Remove not taken
280         case labels and edges.
281         (simplify_stmt_using_ranges): Call it.
282         (identify_jump_threads): Mark edges we have queued for removal
283         so we don't thread them.
284         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
285         case label vector.
286         * tree-cfg.c (group_case_labels): Deal with missing default label.
287         (tree_verify_flow_info): Allow missing default label.
288         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
289         (emit_case_nodes): Likewise.
290         (expand_case): Do not rely on the default label to be present.
291         * expr.c (try_casesi): Deal with NULL default_label.
292         (do_tablejump): Likewise.
293
294 2008-04-02  Richard Guenther  <rguenther@suse.de>
295
296         PR tree-optimization/14495
297         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
298         SWITCH_EXPR here ...
299         (vrp_visit_switch_stmt): ... but here (new function).
300         (find_case_label_index): New helper function.
301         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
302
303 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
304
305         * fwprop.c: Fix ISO-C99ism.
306
307 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
308
309         PR bootstrap/35752
310         * Makefile.in (objdir): Set it here.
311         * configure.ac: Not here.  Find dynamic linker characteristics.
312         * exec-tool.in: Use them.
313         * aclocal.m4: Regenerate.
314         * configure: Regenerate.
315
316 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
317
318         * expr.c (expand_var): Delete it.
319         * expr.h (expand_var): Delete prototype.
320         * function.c (expand_function_start): Use expand_decl instead.
321         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
322         langhook.
323
324 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
325
326         PR rtl-optimization/35542
327         * fwprop.c (forward_propagate_and_simplify): Replace
328         loc_reg_mentioned_in_p with reg_mentioned_p.
329
330 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
331
332         PR rtl-optimization/35281
333         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
334         (propagate_rtx_1): Handle PR_HANDLE_MEM.
335         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
336         (varying_mem_p): Move above propagate_rtx.
337         (all_uses_available_at): Do not check MEMs.
338
339 2008-04-02  Rafael Espindola  <espindola@google.com>
340
341         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
342         (register_edge_assert_for_2): Split the cond argument.
343         (register_edge_assert_for_1): Adjust for the change in
344         register_edge_assert_for_2.
345         (register_edge_assert_for): Split the cond argument.
346         (find_switch_asserts): Adjust for the change in
347         register_edge_assert_for.
348
349 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
350
351         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
352         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
353         offsets for 64-bit mingw.
354         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
355         abi for x86_64-pc-mingw.
356
357 2008-04-02  Richard Guenther  <rguenther@suse.de>
358
359         * tree-vrp.c (extract_range_from_assert): Make sure to not
360         produce range min/max with TREE_OVERFOW set.
361         If merging a anti-range and a range keep the anti-range if
362         the range covers all values of the type.
363         (register_edge_assert_for_2): Only allow sign-changing
364         conversions in detecting canonical range checks.  Also
365         register an assert for the unsigned name if useful.
366
367         PR tree-optimization/35787
368         * tree-vrp.c (vrp_val_max): New function.
369         (vrp_val_min): Likewise.
370         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
371         (vrp_val_is_min): Likewise.
372         (supports_overflow_infinity): Use vrp_val_{min,max}.
373         (negative_overflow_infinity): Likewise.
374         (positive_overflow_infinity): Likewise.
375         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
376         (is_positive_overflow_infinity): Likewise.
377         (is_overflow_infinity): Likewise.
378         (avoid_overflow_infinity): Use vrp_val_{min,max} and
379         vrp_val_is_{min,max}.
380         (set_and_canonicalize_value_range): Canonicalize anti-ranges
381         to ranges if possible.  Avoid empty ranges.
382
383 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
384
385         PR middle-end/35705
386         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
387         the expression is a function address.
388
389 2008-04-01  George Helffrich  <george@gcc.gnu.org>
390
391         PR fortran/PR35154, fortran/PR23057
392         * fortran/trans-common.c (create_common):  Add decl to function
393         chain to preserve identifier scope in debug output.
394
395         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
396         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
397         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
398         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
399         in common.
400         (dbxout_syms): Check for COMMON-based symbol and wrap in
401         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
402         in bracket for efficiency.
403
404         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
405         using DW_TAG_common_block + member offset.
406         (add_pubname_string): New function.
407         (dw_expand_expr): New function to find block name and offset for
408         COMMON var.
409         (common_check): New function to check whether symbol in Fortran COMMON.
410         (gen_variable_die): If COMMON, use DW_TAG_common_block.
411
412         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
413         use of common is unchanged.
414
415         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
416         with all combinations of debug options available on target.
417         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
418         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
419         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
420         .stabs functionality.
421         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
422         DWARF functionality.
423
424 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
425
426         PR c/35436
427         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
428
429 2008-04-02  Ben Elliston  <bje@au.ibm.com>
430
431         * config/v850/v850.md (casesi): Remove if (0) code.
432         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
433         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
434
435 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
436
437         * config/i386/i386.md (rex64suffix): New mode attribute.
438         (floathi<mode>2): Disable expander for SSE math.
439         (*floathi<mode>2_1): New insn insn_and_split pattern.
440         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
441         corresponding post-reload splitters.
442         (*floathi<mode>2_i387): New macroized insn pattern.
443         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
444         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
445         insn_and_split pattern.
446         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
447         New macroized instruction patterns and corresponding post-reload
448         splitters.
449         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
450         and corresponding post-reload splitters.
451         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
452         New macroized instruction patterns.
453         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
454         macroized instruction patterns and corresponding post-reload splitters.
455         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
456         corresponding post-reload splitters.
457         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
458         New macroized instruction patterns.
459         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
460         corresponding post-reload splitters.
461         (*floatsi<mode>2_i387): New macroized instruction patterns.
462
463 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
464
465         * config/i386/i386.md (smaxmin): New.
466         (umaxmin): Likewise.
467         (maxminiprefix): Likewise.
468         (maxminfprefix): Likewise.
469         (<code><mode>3): Likewise.
470         (smin<mode>3): Removed.
471         (smax<mode>3): Likewise.
472
473         * config/i386/mmx.md (mmx_<code>v2sf3): New.
474         (mmx_<code>v4hi3): Likewise.
475         (mmx_<code>v8qi3): Likewise.
476         (mmx_smaxv2sf3): Removed.
477         (mmx_sminv2sf3): Likewise.
478         (mmx_umaxv8qi3): Likewise.
479         (mmx_smaxv4hi3): Likewise.
480         (mmx_uminv8qi3): Likewise.
481         (mmx_sminv4hi3): Likewise.
482
483         * config/i386/sse.md (<addsub><mode>3): New.
484         (*<addsub><mode>3): Likewise.
485         (<sse>_vm<addsub><mode>3): Likewise.
486         (<maxmin><mode>3): Likewise.
487         (*<maxmin><mode>3_finite): Likewise.
488         (*<maxmin><mode>3): Likewise.
489         (<sse>_vm<maxmin><mode>3): Likewise.
490         (sse3_h<addsub>v4sf3): Likewise.
491         (sse3_h<addsub>v2df3): Likewise.
492         (<maxmin>v16qi3): Likewise.
493         (*<maxmin>v16qi3): Likewise.
494         (<maxmin>v8hi3): Likewise.
495         (*<maxmin>v8hi3): Likewise.
496         (*sse4_1_<maxmin><mode>3): Likewise.
497         (*sse4_1_<maxmin><mode>3): Likewise.
498         (add<mode>3): Removed.
499         (*add<mode>3): Likewise.
500         (<sse>_vmadd<mode>3): Likewise.
501         (sub<mode>3): Likewise.
502         (*sub<mode>3): Likewise.
503         (<sse>_vmsub<mode>3): Likewise.
504         (smin<mode>3): Likewise.
505         (*smin<mode>3_finite): Likewise.
506         (*smin<mode>3): Likewise.
507         (<sse>_vmsmin<mode>3): Likewise.
508         (smax<mode>3): Likewise.
509         (*smax<mode>3_finite): Likewise.
510         (*smax<mode>3): Likewise.
511         (<sse>_vmsmax<mode>3): Likewise.
512         (sse3_haddv4sf3): Likewise.
513         (sse3_haddv2df3): Likewise.
514         (sse3_hsubv4sf3): Likewise.
515         (sse3_hsubv2df3): Likewise.
516         (umaxv16qi3): Likewise.
517         (*umaxv16qi3): Likewise.
518         (smaxv8hi3): Likewise.
519         (*smaxv8hi3): Likewise.
520         (*sse4_1_smax<mode>3): Likewise.
521         (*sse4_1_umax<mode>3): Likewise.
522         (uminv16qi3): Likewise.
523         (*uminv16qi3): Likewise.
524         (sminv8hi3): Likewise.
525         (*sminv8hi3): Likewise.
526         (*sse4_1_smin<mode>3): Likewise.
527         (*sse4_1_umin<mode>3): Likewise.
528
529 2008-04-01  Rafael Espindola  <espindola@google.com>
530
531         * tree-cfg.c (verify_expr): remove in_phi.
532         (verify_stmt): Don't call walk_tree with verify_expr. Use
533         is_gimple_min_invariant instead of is_gimple_val.
534
535 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
536
537         * doc/include/gpl_v3.texi: Update for manpage generation.
538         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
539         gpl.texi.
540         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
541         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
542         gpl_v3.texi instead of gpl.texi.
543         (gpl.pod): New.
544
545 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
546
547         PR pch/13675
548         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
549
550 2008-04-01  Rafael Espindola  <espindola@google.com>
551
552         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
553         (extract_code_and_val_from_cond): Use
554         extract_code_and_val_from_cond_with_ops.
555
556 2008-04-01  Jan Hubicka  <jh@suse.cz>
557
558         * function.c (free_after_compilation): Free epilogue_delay_list.
559         (prepare_function_start): Assert that previous compilation was freed.
560
561 2008-04-01  Jan Hubicka  <jh@suse.cz>
562             Jim Wilson  <wilson@tuliptree.org>
563             Andreas Tobler <andreast@gcc.gnu.org>
564
565         PR middle-end/35781
566         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
567         rtl.emit instead cfun->emit.
568         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
569         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
570
571 2008-04-01  Ben Elliston  <bje@au.ibm.com>
572
573         * doc/c-tree.texi (Function Basics): Fix grammatical error.
574
575 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
576
577         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
578         New options
579         (fprofile-use): Add var flag_profile_use
580         * coverage.c (coverage_begin_output): Do not open a gcno file for
581         output only if -ftest-coverage is set.
582         Do not add getpwd() to gcda file path.
583         (build_gcov_info): Check the new flag
584         flag_profile_datafile_relative_path.
585         (coverage_init): Use profile_data_prefix.
586         Read profile counter only if flag_profile_use is set.
587         * opts.c (common_handle_option): New option fprofile-use=,
588         fprofile-dir=, fprofile-generate=.
589         * toplev.c (profile_data_prefix): New variable definition.
590         * toplev.h (profile_data_prefix): New declaration.
591         * doc/invoke.tex (Option Summary, Optimization Options):
592         Add new options.
593
594 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
595
596         * varasm.c (output_constant_pool_1): In LABEL_REF check,
597         use tmp consistently.
598
599         PR target/35695
600         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
601         * config/ia64/ia64.c (rtx_needs_barrier): Handle
602         UNSPEC_FR_RECIP_APPROX_RES.
603         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
604
605 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
606
607         PR c/35750
608         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
609
610 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
611
612         PR middle-end/30186
613         * fold-const.c (fold_indirect_ref_1): Support accessing non first
614         element of the vector via a pointer.
615
616 2008-03-31  Ian Lance Taylor  <iant@google.com>
617
618         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
619
620 2008-03-31  Jan Hubicka  <jh@suse.cz>
621
622         * builtins.c (expand_builtin_setjmp_receiver): Update call of
623         get_arg_pointer_save_area.
624         * expr.c (init_expr): Just clear out rtl.expr.
625         * function.c (free_after_compilation): Clear out whole RTL structure.
626         (get_func_frame_size): Merge into ...
627         (get_frame_size): ... this one.
628         (assign_stack_local_1): Merge into ...
629         (assign_stack_local): ... this one.
630         (expand_function_end): Update call of get_arg_pointer_save_area.
631         (get_art_pointer_save_area): Remove cfun argument.
632         * function.h (emit_status): regno_pointer_align does not need length
633         attribute. Move x_regno_reg_rtx to ...
634         (regno_reg_rtx): ... new global array.
635         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
636         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
637         apply_args_value, forced_labels, stack_pointer_delta):
638         Update accestors.
639         (struct varasm_status): Move here from varasm.c
640         (struct rtl_data): New. Move here some fields from struct function.
641         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
642         frame_offset, stack_check_probe_note, arg_pointer_save_area,
643         used_temp_slots avail_temp_slots, temp_slot_level,
644         nonlocal_goto_handler_labels): Update accesstors.
645         (rtl): New global variable.
646         (struct function): Move some fileds to rtl_data.
647         (get_arg_pointer_save_area): Update prototype.
648         * emit-rtl.c (rtl): Declare.
649         (regno_reg_rtx): Declare.
650         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
651         Update.
652         (gen_reg_rtx): Update.
653         (init_virtual_regs): Do not tate emit_status argument.
654         (init_emit): Do not allocate emit.
655         * varasm.c (varasm_statuc): Move to function.h.
656         (n_deferred_constatns): Update accestor.
657         (init_varasm_status): Do not allocate varasm_status.
658         (force_const_mem, get_pool_size, output_constant_pool): Update.
659         * stmt.c (force_label_rtx): Do not use x_ prefixes.
660         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
661
662 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
663
664         PR rtl-optimization/35729
665         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
666         references.
667
668 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
669
670         PR target/32000
671         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
672         load/store if memory is unaligned.
673         (*movti_rex64): Likewise.
674
675         * config/i386/predicates.md (misaligned_operand): New.
676
677 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
678
679         PR tree-opt/35431
680         * tree-ssa-phiopt.c (conditional_replacement): Return early for
681         complex types.
682
683 2008-03-31  Jan Beulich  <jbeulich@novell.com>
684
685         * config/ia64/constraints.md: Add 'j' constraint.
686         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
687         (movdi_internal): Likewise.
688
689 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
690
691         PR c/35748
692         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
693
694 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
695
696         PR target/35757
697         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
698         proper error message for the third argument on blendpd and
699         blendps.
700
701         * config/i386/sse.md (blendbits): New.
702         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
703
704 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
705
706         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
707
708 2008-03-30  Richard Guenther  <rguenther@suse.de>
709
710         PR middle-end/31023
711         * fold-const.c (fold_sign_changed_comparison): Do leave
712         conversions to base-types alone.
713
714 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
715
716         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
717         the link register if one altivec register is be saved.
718
719 2008-03-30  Ben Elliston  <bje@au.ibm.com>
720
721         * final.c (final_scan_insn): Remove if (0) code.
722
723 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
724
725         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
726
727 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
728
729         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
730         of V4SFmode to ix86_binary_operator_ok.
731
732 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
733
734         * config/i386/i386.c (override_options): Initialize
735         ix86_veclib_handler to ix86_veclibabi_svml when
736         -mveclibabi=svml is used.
737         (ix86_veclibabi_svml): New function for SVML ABI style
738         vectorization support.
739         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
740
741 2008-03-28  Rafael Espindola  <espindola@google.com>
742
743         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
744         (tree_binary_nonnegative_warnv_p): Make it public.
745         (tree_single_nonnegative_warnv_p): Make it public.
746         (tree_invalid_nonnegative_warnv_p): Make it public.
747         (tree_unary_nonzero_warnv_p): Make it public.
748         (tree_binary_nonzero_warnv_p): Make it public
749         (tree_single_nonzero_warnv_p): Make it public.
750         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
751         (extract_range_from_binary_expr): Split the expr argument.
752         (extract_range_from_unary_expr): Split the expr argument.
753         (extract_range_from_comparison): Split the expr argument.
754         (extract_range_from_expr): Use the new aux functions.
755         (vrp_evaluate_conditional_warnv): Use
756         vrp_evaluate_conditional_warnv_with_ops.
757         * tree.h (tree_unary_nonzero_warnv_p): Declare.
758         (tree_binary_nonzero_warnv_p): Declare.
759         (tree_single_nonzero_warnv_p): Declare.
760         (tree_expr_nonzero_warnv_p): Declare.
761         (tree_unary_nonnegative_warnv_p): Declare.
762         (tree_binary_nonnegative_warnv_p): Declare.
763         (tree_single_nonnegative_warnv_p): Declare.
764         (tree_invalid_nonnegative_warnv_p): Declare.
765
766 2008-03-28  Richard Guenther  <rguenther@suse.de>
767
768         PR tree-optimization/30317
769         PR tree-optimization/30911
770         PR tree-optimization/34793
771         * tree-vrp.c (set_and_canonicalize_value_range): New function.
772         (struct assert_locus_d): New member EXPR.
773         (register_new_assert_for): Add EXPR parameter to support
774         ASSERT_EXPR <name, expr OP limit>.
775         (register_edge_assert_for_1): Adjust callers.
776         (find_assert_locations): Likewise.
777         (process_assert_insertions_for): Build condition from expression.
778         (extract_range_from_assert): Handle ASSERT_EXPRs
779         of the form ASSERT_EXPR <name, expr OP limit>.
780         (register_edge_assert_for_2): New helper registering
781         asserts for comparisons.  Recognize range tests of the form
782         (unsigned)i - CST1 OP CST2.
783         (register_edge_assert_for_1): Use it.
784         (register_edge_assert_for): Likewise.
785         (needs_overflow_infinity): Integer sub-types
786         do not need overflow infinities.
787         (vrp_val_is_max): The extreme values of integer sub-types
788         are those of the base type.
789         (vrp_val_is_min): Likewise.
790         * tree.def (ASSERT_EXPR): Document extra allowed conditional
791         expressions.
792
793 2008-03-28  Nick Clifton  <nickc@redhat.com>
794
795         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
796         Return GENERAL_REGS for stack adjustment reloads.
797
798 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
799
800         PR target/31334
801         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
802         const_vector when all the vectors are constant.
803
804 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
805
806         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
807         comparisons.
808         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
809         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
810         (scc_sf): New.
811         (s<code>_sf): Use new scc_sf attribute for opcode names.
812
813 2008-03-27  Tom Tromey  <tromey@redhat.com>
814
815         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
816         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
817         config/spu/t-spu-elf, config/i386/t-interix,
818         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
819         config/i386/x-darwin, config/i386/x-mingw32,
820         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
821         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
822         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
823         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
824         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
825         config/rs6000/x-darwin, config/rs6000/t-rs6000,
826         config/score/t-score-elf, config/arm/t-strongarm-pe,
827         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
828         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
829         Revert automatic dependency patch.
830
831 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
832
833         PR target/35657
834         * config/i386/i386.c (ix86_function_arg_boundary): Align
835         decimal floating point to its natural boundary.
836
837 2008-03-27  Richard Guenther  <rguenther@suse.de>
838
839         PR middle-end/35716
840         * fold-const.c (fold_comparison): Restrict distinct decl
841         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
842         solely rely on operand_equal_p.
843
844 2008-03-27  Richard Guenther  <rguenther@suse.de>
845
846         PR c/32511
847         * c-common.c (handle_weak_attribute): Reject combination of
848         weak and inline.
849
850 2008-03-27  Richard Guenther  <rguenther@suse.de>
851
852         PR tree-optimization/32810
853         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
854         conversions from DECL_INITIAL.
855         (fold_const_aggregate_ref): Likewise from constructor elements.
856
857 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
858
859         * tree-affine.h (aff_combination_expand): Declare.
860         (get_inner_reference_aff): Likewise.
861         * tree-affine.c (aff_combination_expand): Split out from
862         tree_to_aff_combination_expand.
863         (get_inner_reference_aff): New function.
864         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
865         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
866         (struct lim_aux_data): sm_done field removed.
867         (mem_ref_loc_p, mem_ref_locs_p): New types.
868         (struct mem_ref): Added id, stored, accesses_in_loop,
869         indep_loop, dep_loop, indep_ref, dep_ref fields.
870         Removed is_stored, locs and next fields.
871         (memory_accesses): New variable.
872         (movement_possibility): Do not allow moving statements
873         that store to memory.
874         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
875         New functions.
876         (determine_max_movement): For statements with memory references,
877         find the outermost loop in that the reference is independent.
878         (move_computations_stmt): Mark the virtual operands for renaming.
879         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
880         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
881         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
882         add_vop_ref_mapping, create_vop_ref_mapping_loop,
883         create_vop_ref_mapping, analyze_memory_references,
884         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
885         get_all_locs_in_loop, ref_always_accessed_p,
886         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
887         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
888         store_motion_loop, store_motion): New functions.
889         (struct vop_to_refs_elt): New type.
890         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
891         memref_hash, memref_eq, hoist_memory_references): Rewritten.
892         (schedule_sm): Replaced by...
893         (execute_sm): ... this.
894         (determine_lsm_ref, hoist_memory_references,
895         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
896         find_more_ref_vops, free_mem_ref, free_mem_refs,
897         determine_lsm_loop, determine_lsm): Removed.
898         (tree_ssa_lim_finalize): Free data structures used by store motion.
899         (tree_ssa_lim): Call analyze_memory_references.  Use
900         store_motion instead of determine_lsm.
901
902 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
903
904         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
905         rename tmake_file to m68hc11/t-m68hc11.
906         (mcore): Set inhibit_libc to true.
907         * config.host (alpha*-dec-*vms*): Set extra_programs.
908         (interix3*): Don't use host_xmake_file.
909         * configure.ac: Let config.gcc override inhibit_libc.
910         * configure: Regenerate.
911
912         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
913         * config/t-openbsd-thread: Remove commented out lines.
914         
915         * config/x-interix: Remove.
916
917         * config/m68hc11/t-m68hc11-gas: Rename to...
918         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
919
920         * config/mcore/t-mcore: Remove T_CFLAGS.
921         * config/mcore/t-mcore-pe: Likewise.
922
923 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
924
925         * configure.ac: Replace custom __GNU_SOURCE test with
926         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
927         * aclocal.m4: Regenerate.
928         * configure: Regenerate.
929         * config.in: Regenerate.
930
931 2008-03-27  Richard Guenther  <rguenther@suse.de>
932
933         * fold-const.c (target.h): Include.
934         (fold_comparison): Fold comparison of addresses of decls
935         that bind locally or of constants.  Consolidate address folding code.
936         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
937         results from fold_binary_to_constant.
938         (compare_values_warnv): Likewise.
939
940 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
941
942         PR middle-end/35429
943         * fold-const.c (fold_truthop): Check for integeral types when folding
944         a == 0 && b == 0 and a != 0 || b != 0 .
945
946 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
947
948         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
949
950 2008-03-26  Andreas Schwab  <schwab@suse.de>
951
952         * doc/invoke.texi: Fix use of @item vs. @itemx.
953
954 2008-03-26  Tom Tromey  <tromey@redhat.com>
955
956         * Makefile.in (build/gensupport.o, build/print-rtl.o,
957         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
958         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
959         build/gencodes.o, build/genconditions.o, build/genconfig.o,
960         build/genconstants.o, build/genemit.o, build/genextract.o,
961         build/genflags.o, build/genmddeps.o, build/genopinit.o,
962         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
963         options.h.
964
965 2008-03-26  Richard Guenther  <rguenther@suse.de>
966
967         Revert
968         2008-03-26  Richard Guenther  <rguenther@suse.de>
969
970         * fold-const.c (target.h): Include.
971         (fold_comparison): Fold comparison of addresses of two decls
972         that bind locally.  Consolidate address folding code.
973
974 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
975
976         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
977         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
978         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
979         dconstsqrt2, dconstthird, dconste and/or dconst10.
980         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
981         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
982         dconstsqrt2, dconste): Delete.
983         (init_emit_once): Likewise.  Simplify initializing dconstm1.
984         Constify variable.
985         * real.c (get_real_const): New.
986         * real.h (dconst3, dconst10, dconstm2, dconstthird,
987         dconstsqrt2, dconste): Delete.
988         (real_value_const, get_real_const): New.
989
990 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
991
992         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
993
994         * config/i386/i386.c (ix86_function_arg_boundary): Check
995         BIGGEST_ALIGNMENT instead of 128.
996         (setup_incoming_varargs_64): Likewise.
997
998 2008-03-26  Tom Tromey  <tromey@redhat.com>
999
1000         * Makefile.in (DEPFILES): Add missing '/'.
1001
1002 2008-03-26  Richard Guenther  <rguenther@suse.de>
1003
1004         * fold-const.c (target.h): Include.
1005         (fold_comparison): Fold comparison of addresses of two decls
1006         that bind locally.  Consolidate address folding code.
1007
1008 2008-03-26  Nick Clifton  <nickc@redhat.com>
1009
1010         PR target/31232
1011         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
1012         not allow INT+INT as a legitimate addressing mode.
1013
1014 2008-03-26  Richard Guenther  <rguenther@suse.de>
1015
1016         * tree-flow.h (widen_bitfield): Remove declaration.
1017         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
1018         (widen_bitfield): Remove function.
1019         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
1020         code.
1021
1022 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1023
1024         PR target/31558
1025         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
1026         error_mark_node's.
1027
1028 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1029
1030         PR rtl-optimization/35232
1031         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1032         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1033         reg_reloaded_call_part_clobbered here.
1034         (reload_regs_reach_end_p): New function.
1035         (reload_reg_rtx_for_input): New variable.
1036         (reload_reg_rtx_for_output): Likewise.
1037         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1038         when reassigning a pseudo register.  Load reloadreg from 
1039         reload_reg_rtx_for_input, moving the mode and register
1040         calculation to...
1041         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1042         instead of the original when deciding whether an input reload
1043         would be a no-op or whether an output reload can be deleted.
1044         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1045         when setting up new_spill_reg_store.  Load it from
1046         reload_reg_rtx_for_output, moving the mode and register
1047         calculation to...
1048         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1049         instead of the original when deciding whether an output reload
1050         would be a no-op.  Do the same when modifying insn notes.
1051         Use rtx_equal_p instead of == to compare the registers.
1052         (inherit_piecemeal_p): Take a mode and two register numbers
1053         as argument.
1054         (emit_reload_insns): Clear new_spill_reg_store for every hard
1055         register in the reload register.  Remove spill registers
1056         from reg_reloaded_valid before considering whether to record
1057         inheritance information for them.  Use reload_reg_rtx_for_output
1058         instead of reg_rtx when recording output reloads.  Use
1059         reload_reg_rtx_for_input instead of reg_rtx when recording
1060         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1061         at the same time as setting reg_reloaded_valid.
1062         (delete_output_reload): Add a new_reload_reg parameter and use it
1063         instead of rld[j].reg_rtx.
1064         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1065         calls accordingly.
1066
1067 2008-03-25  Tom Tromey  <tromey@redhat.com>
1068
1069         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1070         (build/genattr.o): Likewise.
1071         (build/genattrtab.o): Likewise.
1072         (build/gencodes.o): Likewise.
1073         (build/genconfig.o): Likewise.
1074         (build/genconstants.o): Likewise.
1075         (build/genemit.o): Likewise.
1076         (build/genextract.o): Likewise.
1077         (build/genflags.o): Likewise.
1078
1079 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1080         
1081         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1082         instead of size_int for integer types.
1083         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1084         to match type of MINUS_EXPR.
1085         
1086 2008-03-25  Tom Tromey  <tromey@redhat.com>
1087
1088         * configure: Rebuilt.
1089         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1090         Makefile.
1091
1092 2008-03-25  Tom Tromey  <tromey@redhat.com>
1093
1094         * config/x-solaris (host-solaris.o): Update.
1095         * config/x-linux (host-linux.o): Update.
1096         * config/x-hpux (host-hpux.o): Update.
1097         * config/x-darwin (host-darwin.o): Update.
1098         * config/v850/t-v850e (v850-c.o): Update.
1099         * config/v850/t-v850 (v850-c.o): Update.
1100         * config/t-vxworks (vxworks.o): Update.
1101         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1102         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1103         * config/spu/t-spu-elf (spu-c.o): Update.
1104         (spu.o): Remove.
1105         * config/sh/t-symbian (sh-c.o): Update.
1106         (symbian.o): Update.
1107         * config/sh/t-sh (sh-c.o): Update.
1108         * config/score/t-score-elf (score7.o, score3.o): Update.
1109         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1110         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1111         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1112         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1113         (rs6000.o): Remove.
1114         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1115         * config/m32c/t-m32c (m32c-pragma.o): Update.
1116         * config/ia64/t-ia64 (ia64-c.o): Update.
1117         * config/i386/x-mingw32 (host-mingw32.o): Update.
1118         * config/i386/x-i386 (driver-i386.o): Update.
1119         * config/i386/x-darwin (host-i386-darwin.o): Update.
1120         * config/i386/x-cygwin (host-cygwin.o): Update.
1121         * config/i386/t-nwld (nwld.o): Update.
1122         * config/i386/t-netware (netware.o): Update.
1123         * config/i386/t-interix (winnt.o): Update.
1124         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1125         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1126         msformat-c.o): Update.
1127         * config/bfin/t-bfin-linux (generated_files): Add
1128         linux-sysroot-suffix.h.
1129         * config/arm/t-wince-pe (pe.o): Update.
1130         * config/arm/t-strongarm-pe (pe.o): Update.
1131         * config/arm/t-pe (pe.o): Update.
1132         * config/arm/t-arm (arm-c.o): Update.
1133         * doc/install.texi (Prerequisites): Require make 3.80.
1134         * Makefile.in: Remove .o targets.
1135         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1136         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1137         (simple_generated_h, simple_generated_c): Move earlier.
1138         (generated_files): New variable.
1139         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1140         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1141         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1142         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1143         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1144         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1145         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1146         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1147         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1148         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1149         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1150         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1151         (.c.o): Remove.
1152         (COMPILE.base, COMPILE): New variables.
1153         (%.o): New pattern rule.
1154         (ALL_HOST_OBJS): New variable.
1155         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1156         (dummy-checksum.o, cc1-checksum.o): Remove.
1157         (DRIVER_SHLIB): New variable.
1158         (DRIVER_DEFINES): Use it.
1159         (gencondmd.c): Move out of build/.
1160         (s-conditions): Update.
1161         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1162         (ALL_BUILD_OBJS): Likewise.
1163         (build/%.o): Use BUILDCOMPILE.
1164         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1165         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1166         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1167         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1168         build/genconfig.o, build/genconstants.o, build/genemit.o,
1169         build/genextract.o, build/genflags.o, build/genmddeps.o,
1170         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1171         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1172         build/gen-protos.o, build/scan.o, build/fix-header.o,
1173         build/scan-decls.o): Simplify.
1174         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1175         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1176         prefix.o, toplev.o): Reduce to variable setting.
1177         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1178         ($(out_object_file), gcc-options.o): New targets.
1179         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1180         * configure: Rebuilt.
1181         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1182         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1183
1184 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1185
1186         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1187         complain when we hit an error, return ERROR_MARK_NODE.
1188
1189 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1190
1191         * config/sh/constraints.md (Pso, Psz): New constraints.
1192         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1193         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1194
1195 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1196
1197         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1198         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1199
1200 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1201
1202         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1203         (prefetch_sh2a): New.   
1204
1205 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1206             Naveen.H.S  <naveen.hs@kpitcummins.com>
1207
1208         * config/sh/constraints.md (I28): New constraint.
1209         * config/sh/sh.c (broken_move): Add support for movi20s.
1210         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1211
1212 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1213             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1214             Naveen.H.S  <naveen.hs@kpitcummins.com>
1215
1216         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1217         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1218         (print_operand): Handle resbank in %@ operand code.
1219         (sh_encode_section_info): New.
1220         (push_regs): Add conditions for resbank.
1221         (sh_expand_epilogue): Likewise.
1222         (sh_insert_attributes): Likewise.
1223         (sh_attribute_table): Likewise.
1224         (sh_handle_resbank_handler_attribute): New.
1225         (sh2a_handle_function_vector_handler_attribute): New.
1226         (sh2a_is_function_vector_call): New.
1227         (sh2a_get_function_vector_number): New.
1228         (sh2a_function_vector_p): New.
1229         (sh_cfun_resbank_handler_p): New.
1230         * config/sh/sh.md (calli): Emit jsr/n if possible.
1231         (calli_tbr_rel): New.
1232         (calli_pcrel): Emit jsr/n if possible.
1233         (return_i): Emit rts/n if possible.
1234         (call_valuei_tbr_rel): New.
1235         (call_valuei_pcrel): Add condition for SH2A target.
1236         (call_value): Likewise.
1237         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1238         (sh2a_get_function_vector_number): Likewise.
1239         (sh2a_is_function_vector_call): Likewise.
1240         * doc/extend.texi: Document TBR relative addressing of SH2A.
1241         (resbank): Add description for SH2A.
1242
1243 2008-03-24  Richard Guenther  <rguenther@suse.de>
1244
1245         PR c/22371
1246         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1247         pointer assignments change conversions according to middle-end rules.
1248         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1249         * configure.ac: Include type checking in yes.
1250         * configure: Regenerate.
1251
1252 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1253
1254         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1255         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1256         
1257 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1258
1259         * gthr-vxworks.h (UNUSED): Define.
1260
1261 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1262
1263         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1264
1265 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1266
1267         * doc/extend.texi (Function Attributes): Add missing comma in the
1268         example of the "alloc_size" attribute.
1269         
1270 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1271
1272         Revert:
1273         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1274
1275         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1276         32bit host.
1277
1278         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1279
1280         PR target/35496
1281         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1282         of the underlying type of a MS bitfield layout to the natural
1283         alignment of the type.
1284
1285         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1286
1287         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1288         to their natural alignment to avoid store forwarding stalls.
1289
1290 2008-03-22  Richard Guenther  <rguenther@suse.de>
1291
1292         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1293         For PHI nodes verify the address is invariant.
1294         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1295         (get_symbol_constant_value): Use is_gimple_min_invariant.
1296         (maybe_fold_stmt_indirect): Likewise.
1297
1298 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1299
1300         PR rtl-optimization/33927
1301         * Makefile.in (dse.o): Depend on $(TM_P_H).
1302         * expr.h (extract_low_bits): Declare.
1303         * expmed.c (extract_low_bits): New function.
1304         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1305         * dse.c: Include tm_p.h.
1306         (find_shift_sequence): Remove the read_reg argument and return the
1307         read value.  Emit the instructions instead of returning them.
1308         Iterate on new_mode rather than calculating it each time.
1309         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1310         source to NEW_MODE and extract_low_bits to convert the shifted
1311         value to READ_MODE.
1312         (replace_read): Allow the load and store to have different mode
1313         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1314         or extraction instructions before trying the replacement.  Update
1315         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1316
1317 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1318
1319         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1320         to their natural alignment to avoid store forwarding stalls.
1321
1322 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1323
1324         PR target/27946
1325         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1326         encouraging but not allowing gprs for input;
1327         change the input constraint to !f#r.
1328         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1329         gprs for output;
1330         change the output constraint to !f#r.
1331
1332 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1333
1334         PR target/13958
1335         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1336         corresponding post-reload splitters.
1337         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1338         when x87 FP math is selected.
1339         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1340         New function prototype.
1341         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1342         unreachable function to ease macroization of insn patterns.
1343
1344 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1345
1346         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1347         reference dumps if ddr is NULL or dependence is unknown.
1348
1349 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1350
1351         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1352         unsigned extension into account.
1353         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1354         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1355         Do computations on a scratch register.
1356
1357 2008-03-21  Richard Guenther  <rguenther@suse.de>
1358
1359         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1360         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1361         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1362         * tree-ssa-dom.c (record_equality): Likewise.
1363         * tree-inline.c (copy_body_r): Likewise.
1364         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1365         TREE_INVARIANT.
1366
1367 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1368
1369         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1370         as 'delete_unused' argument.
1371
1372 2008-03-20  Richard Guenther  <rguenther@suse.de>
1373
1374         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1375         special casing of constant qualifiers.
1376         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1377         care about them in general.
1378         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1379         regardless of their type.
1380         (fold_stmt_r): Forcefully fold *& if we end up with that.
1381
1382 2008-03-20  Paul Brook  <paul@codesourcery.com>
1383
1384         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1385         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1386         linker flags.
1387         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1388         definition.
1389         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1390         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1391
1392 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1393
1394         * common.opt (Wmudflap): New option.
1395         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1396         (mx_register_decls): Likewise.
1397         (mudflap_finish_file): Likewise.
1398         * doc/invoke.texi: Document -Wno-mudflap.
1399
1400 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1401
1402         * c-format.c (replace_format_name_to_system_name): New.
1403         (cmp_attribs): New.
1404         (convert_format_name_to_system_name): New.
1405         (decode_format_attr): Add use of convert_format_name_to_system_name.
1406         (format_types_orig): Add gnu_ prefix to names.
1407         (check_format_info_main): Special treating of \0 escaped names for
1408         supporting multi-character format specifiers as I32, I64.
1409         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1410         (gnu_target_overrides_format_attributes): New.
1411         * c-format.h: Add structure target_ovr_attr to hold
1412         system specific formatter names.
1413         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1414         msformat-c.o file to c_target_objs and cxx_target_objs.
1415         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1416         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1417         (TARGET_N_FORMAT_TYPES): New.
1418         * config/i386/msformat-c.c: New.
1419         * config/i386/t-cygming: Add build rule for msformat-c.o.
1420         * doc/extend.texi: Add new format names gnu_* and ms_* and
1421         further details.
1422         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1423
1424 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1425
1426         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1427         optimizations turned on under -O3.
1428         (ftree-vectorize): Add that the flag is turned on with -O3.
1429
1430 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1431
1432         * regmove.c (try_auto_increment): Fix spelling error in comment.
1433         * final.c (final_scan_insn): Likewise.
1434
1435 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1436
1437         PR target/14552
1438         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1439         allocator preferences for "y" and "r" class registers.
1440         ("*mov<mode>_internal"): Ditto.
1441         ("*movv2sf_internal_rex64"): Ditto.
1442         ("*movv2sf_internal"): Ditto.
1443
1444 2008-03-19  Michael Matz  <matz@suse.de>
1445
1446         PR middle-end/35616
1447         * calls.c (expand_call): Check overlap of arguments with call
1448         address for sibcalls.
1449
1450 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1451
1452         PR target/35496
1453         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1454         of the underlying type of a MS bitfield layout to the natural
1455         alignment of the type.
1456
1457 2008-03-19  Jan Hubicka  <jh@suse.cz>
1458
1459         PR other/35094
1460         * toplev.c (decode_d_option): Handle all CPP flags.
1461         * tree-vrp.c: Update tree_pass descriptors.
1462         * regrename.c: Update tree_pass descriptors.
1463         * fwprop.c: Update tree_pass descriptors.
1464         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1465         * tree-into-ssa.c: Update tree_pass descriptors.
1466         * tree-dump.c: Update tree_pass descriptors.
1467         * tree-complex.c: Update tree_pass descriptors.
1468         * tree-dump.h: Update tree_pass descriptors.
1469         * see.c: Update tree_pass descriptors.
1470         * cgraphbuild.c: Update tree_pass descriptors.
1471         * tracer.c: Update tree_pass descriptors.
1472         * tree-loop-distribution.c: Update tree_pass descriptors.
1473         * cgraph.c: Update tree_pass descriptors.
1474         * postreload-gcse.c: Update tree_pass descriptors.
1475         * postreload.c: Update tree_pass descriptors.
1476         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1477         * tree-tailcall.c: Update tree_pass descriptors.
1478         * tree-pass.h (tree_opt_pass): Rename to ...
1479         (opt_pass) ... this one; add "type" field and remove letter field.
1480         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1481         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1482         all_lowering_passes): Update declaration.
1483         * ipa-cp.c: Update tree_pass descriptors.
1484         * final.c: Update tree_pass descriptors.
1485         * omp-low.c: Update tree_pass descriptors.
1486         * tree-ssa-dse.c: Update tree_pass descriptors.
1487         * ipa-reference.c: Update tree_pass descriptors.
1488         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1489         * auto-inc-dec.c: Update tree_pass descriptors.
1490         * reorg.c: Update tree_pass descriptors.
1491         * cgraphunit.c: Update tree_pass descriptors.
1492         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1493         * tree-ssa-ccp.c: Update tree_pass descriptors.
1494         * df-core.c: Update tree_pass descriptors.
1495         * mode-switching.c: Update tree_pass descriptors.
1496         * tree-nomudflap.c: Update tree_pass descriptors.
1497         * modulo-sched.c: Update tree_pass descriptors.
1498         * ipa-pure-const.c: Update tree_pass descriptors.
1499         * cse.c: Update tree_pass descriptors.
1500         * web.c: Update tree_pass descriptors.
1501         * tree-stdarg.c: Update tree_pass descriptors.
1502         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1503         * tree-ssa-dom.c: Update tree_pass descriptors.
1504         * tree-nrv.c: Update tree_pass descriptors.
1505         * tree-ssa-alias.c: Update tree_pass descriptors.
1506         * loop-init.c: Update tree_pass descriptors.
1507         * gimple-low.c: Update tree_pass descriptors.
1508         * ipa-inline.c: Update tree_pass descriptors.
1509         * tree-ssa-sink.c: Update tree_pass descriptors.
1510         * global.c: Update tree_pass descriptors.
1511         * ifcvt.c: Update tree_pass descriptors.
1512         * jump.c: Update tree_pass descriptors.
1513         * predict.c: Update tree_pass descriptors.
1514         * tree-ssa-loop.c: Update tree_pass descriptors.
1515         * recog.c: Update tree_pass descriptors.
1516         * dse.c: Update tree_pass descriptors.
1517         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1518         * tree-eh.c: Update tree_pass descriptors.
1519         * regmove.c: Update tree_pass descriptors.
1520         * local-alloc.c
1521         * function.c: Update tree_pass descriptors.
1522         * tree-vectorizer.c: Update tree_pass descriptors.
1523         * gcse.c: Update tree_pass descriptors.
1524         * ipa-type-escape.c: Update tree_pass descriptors.
1525         * tree-if-conv.c: Update tree_pass descriptors.
1526         * init-regs.c: Update tree_pass descriptors.
1527         * ipa.c: Update tree_pass descriptors.
1528         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1529         * rtl-factoring.c: Update tree_pass descriptors.
1530         * lower-subreg.c: Update tree_pass descriptors.
1531         * bt-load.c: Update tree_pass descriptors.
1532         * tree-dfa.c: Update tree_pass descriptors.
1533         * except.c: Update tree_pass descriptors.
1534         * emit-rtl.c: Update tree_pass descriptors.
1535         * cfgexpand.c: Update tree_pass descriptors.
1536         * tree-cfgcleanup.c: Update tree_pass descriptors.
1537         * cfgcleanup.c: Update tree_pass descriptors.
1538         * tree-ssa-pre.c: Update tree_pass descriptors.
1539         * tree-sra.c: Update tree_pass descriptors.
1540         * tree-mudflap.c: Update tree_pass descriptors.
1541         * tree-ssa-copy.c: Update tree_pass descriptors.
1542         * cfglayout.c: Update tree_pass descriptors.
1543         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1544         * tree-ssa-dce.c: Update tree_pass descriptors.
1545         * tree-ssa.c: Update tree_pass descriptors.
1546         * regclass.c: Update tree_pass descriptors.
1547         * integrate.c: Update tree_pass descriptors.
1548         * tree-optimize.c: Update tree_pass descriptors.
1549         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1550         * tree-object-size.c: Update tree_pass descriptors.
1551         * combine.c: Update tree_pass descriptors.
1552         * tree-outof-ssa.c: Update tree_pass descriptors.
1553         * bb-reorder.c: Update tree_pass descriptors.
1554         * stack-ptr-mod.c: Update tree_pass descriptors.
1555         * var-tracking.c: Update tree_pass descriptors.
1556         * tree-profile.c: Update tree_pass descriptors.
1557         * tree-vect-generic.c: Update tree_pass descriptors.
1558         * reg-stack.c: Update tree_pass descriptors.
1559         * sched-rgn.c: Update tree_pass descriptors.
1560         * tree-ssa-structalias.c: Update tree_pass descriptors.
1561         * tree-cfg.c: Update tree_pass descriptors.
1562         * passes.c (current_pass): Update declaration.
1563         (finish_optimization_passes): Update.
1564         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1565         (register_one_dump_file, register_dump_files_1, next_pass_1):
1566         Update arguments.
1567         (init_optimization_passes): Update handling of new types.
1568         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1569         * ipa-struct-reorg.c: Update tree_pass descriptors.
1570         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1571         * combine-stack-adj.c: Update tree_pass descriptors.
1572         * cfgrtl.c: Update tree_pass descriptors.
1573         * dce.c: Update tree_pass descriptors.
1574         * tree-ssanames.c: Update tree_pass descriptors.
1575
1576 2008-03-19  Richard Guenther  <rguenther@suse.de>
1577
1578         PR middle-end/35609
1579         * tree-ssa.c (walk_data): New structure.
1580         (warn_uninitialized_var): If not always_executed warn with "maybe"
1581         instead of "is".
1582         (execute_early_warn_uninitialized): Compute post-dominators.
1583         Initialize always_executed before processing each basic block.
1584
1585 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1586
1587         PR target/35504
1588         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1589         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1590
1591 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1592
1593         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1594
1595 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1596
1597         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1598         is true.
1599         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1600         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1601         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1602         target after ignore has been set, and move there also the commputation
1603         of subtarget and original_target.
1604         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1605         (LANG_HOOKS_INITIALIZER): Remove it.
1606         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1607
1608 2008-03-18  Richard Guenther  <rguenther@suse.de>
1609
1610         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1611         found an expression with constants, note that in the VN for the lhs.
1612         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1613         fold them to constants if possible.  Run cleanup_cfg if done so.
1614         (execute_pre): Return todo.
1615         (do_pre): Likewise.
1616         (execute_fre): Likewise.
1617         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1618         of constants.
1619         (get_prop_source_stmt): Look through pointer conversions.
1620
1621 2008-03-18  Jan Hubicka  <jh@suse.cz>
1622
1623         * tree-pretty-print.c: Include predict.h.
1624         (dump_generic_node): Dump predictor.
1625         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1626         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1627         * gimple-low.c (lower_stmt): Likewise.
1628         * expr.c (expand_expr_real): Likewise.
1629         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1630         them.
1631         (build_predict_expr, build_predict_expr): New.
1632         * predict.h (predictor_name, build_predict_expr): Update.
1633         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1634         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1635         * predict.def (PRED_CONTINUE): Update hitrate.
1636         * tree.def (PREDICT_EXPR): Define.
1637         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1638         do not handle BIND_EXPR.
1639         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1640         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1641         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1642         operands.
1643
1644 2008-03-18  Michael Matz  <matz@suse.de>
1645
1646         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1647
1648 2008-03-18  Richard Guenther  <rguenther@suse.de>
1649
1650         * tree-gimple.h (is_gimple_invariant_address): Declare.
1651         (is_gimple_constant): Likewise.
1652         * tree-gimple.c (is_gimple_constant): New function.
1653         (is_gimple_invariant_address): Likewise.
1654         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1655         and is_gimple_invariant_address.
1656         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1657         previous change.
1658         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1659         an addressable base.
1660
1661 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1662
1663         PR middle-end/35611
1664         * gimplify.c (gimplify_expr): Gimplify second operand of
1665         OMP_ATOMIC_LOAD.
1666
1667 2008-03-17  Richard Guenther  <rguenther@suse.de>
1668
1669         PR tree-optimization/19637
1670         * fold-const.c (fold_unary): Remove restrictions of removing
1671         intermediate pointer-conversions (P2)(P1)P0.
1672         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1673         conversion to void pointer.
1674         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1675
1676 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1677
1678         PR debug/31510
1679         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1680         emulated thread local variables.
1681
1682 2008-03-16  Richard Guenther  <rguenther@suse.de>
1683
1684         PR middle-end/35607
1685         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1686         expand TREE_INVARIANT operations that are not gimple invariant.
1687
1688 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1689
1690         * doc/extend.texi (Alignment): Say that the ABI controls
1691         the __alignof__ for non-strict-alignment targets rather
1692         than being a recommendation.
1693
1694 2008-03-15  Paul Brook  <paul@codesourcery.com>
1695
1696         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1697         annotations.
1698         (arm_output_fn_unwind): Mark functions that can not be unwound.
1699
1700 2008-03-15  Paul Brook  <paul@codesourcery.com>
1701
1702         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1703         extension instructions.
1704
1705 2008-03-15  Richard Guenther  <rguenther@suse.de>
1706
1707         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1708         and fold constant aggregate refs.
1709         (fold_const_aggregate_ref): Handle string constants
1710         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1711         (evaluate_stmt): Simplify now that ccp_fold folds constant
1712         aggregate refs.
1713
1714 2008-03-15  Paul Brook  <paul@codesourcery.com>
1715
1716         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1717         (extzv): Use gen_extzv_t2.
1718         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1719
1720 2008-03-15  Richard Guenther  <rguenther@suse.de>
1721
1722         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1723         (fold_const_aggregate_ref): Likewise.
1724         (get_value): Return NULL if we don't have any values.
1725         (ccp_finalize): Set const_val to NULL after freeing it.
1726         * tree-flow.h (get_symbol_constant_value): Declare.
1727         (fold_const_aggregate_ref): Likewise.
1728         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1729
1730 2008-03-15  Richard Guenther  <rguenther@suse.de>
1731
1732         PR middle-end/35593
1733         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1734         to not produce negative array indices if not allowed.  Add
1735         parameter to indicate that.
1736         (maybe_fold_offset_to_component_ref): Allow negative array
1737         indices only for the first member of a structure.
1738         (maybe_fold_offset_to_reference): Allow negative array indices.
1739         (maybe_fold_stmt_addition): Likewise.
1740
1741 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1742             Anatoly Sokolov <aesok@post.ru>
1743
1744         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1745         (avr_arch): Add ARCH_AVR6.
1746         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1747         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1748         instead of fixed value 2.
1749         (print_operand_address): Use gs() asm specifier instead of pm().
1750         (avr_assemble_integer): (Ditto.).
1751         (avr_output_addr_vec_elt): (Ditto.).
1752         (print_operand): Handle "!" code.
1753         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1754         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1755         (AVR_HAVE_EIJMP_EICALL): Define.
1756         (AVR_3_BYTE_PC): Redefine.
1757         (AVR_2_BYTE_PC): (Ditto.).
1758         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1759         (LINK_SPEC): Add atmega2560 and atmega2561.
1760         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1761         (crtm2561.o).
1762         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1763         for 3 byte PC devices.
1764         (call_value_insn): (Ditto.).
1765         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1766         (indirect_jump): Use only for for 2 byte PC devices.
1767         (*tablejump): (Ditto.).
1768         (*indirect_jump_avr6): Add insn.
1769         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1770         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1771         instead of ijmp for 3 byte PC devices.
1772         (__tablejump2__): (Ditto.).
1773         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1774         (MULITLIB_DIRNAMES): (Ditto.). 
1775         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1776
1777 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1778
1779         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1780         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1781         ("mmx_psadbw"): Use V1DI mode for operand 0.
1782         * config/i386/i386-modes.def (V1SI): New vector mode.
1783         * config/i386/i386.c (struct builtin_description)
1784         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1785         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1786         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1787         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1788         v1di_ftype_v8qi_v8qi type.
1789         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1790
1791         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1792         __builtin_ia32_pmuludq]: Fix the mode of return value.
1793
1794 2008-03-15  Richard Guenther  <rguenther@suse.de>
1795
1796         PR middle-end/35595
1797         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1798         being a PHI_NODE.
1799
1800 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1801         
1802         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1803         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1804         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1805         unless TARGET_SERIALIZE_VOLATILE is enabled.
1806         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1807         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1808         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1809
1810 2008-03-14  Richard Guenther  <rguenther@suse.de>
1811
1812         PR tree-optimization/34172
1813         * tree-flow.h (refs_may_alias_p): Declare.
1814         (get_single_def_stmt): Likewise.
1815         (get_single_def_stmt_from_phi): Likewise.
1816         (get_single_def_stmt_with_phi): Likewise.
1817         * tree-dfa.c (refs_may_alias_p): New function.
1818         (get_single_def_stmt): Likewise.
1819         (get_single_def_stmt_from_phi): Likewise.
1820         (get_single_def_stmt_with_phi): Likewise.
1821         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1822         (vn_reference_lookup_1): New helper function.
1823         (vn_reference_lookup): Walk the virtual use-def chain to
1824         continue searching for a match if the def does not alias the
1825         reference we are looking for.
1826
1827 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1828
1829         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1830         archive and Perzl.  Update The Written Word listing.
1831
1832 2008-03-14  Richard Guenther  <rguenther@suse.de>
1833
1834         PR tree-optimization/34043
1835         PR tree-optimization/33989
1836         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1837         when doing FRE.
1838         (bitmap_find_leader): Use extra argument to verify dominance
1839         relationship inside a basic-block.
1840         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1841         (find_leader_in_sets): Adjust.
1842         (create_component_ref_by_pieces): Take extra argument for
1843         dominance check, handle lookup failures.
1844         (find_or_generate_expression): Likewise.
1845         (create_expression_by_pieces): Likewise.
1846         (insert_into_preds_of_block): Adjust.
1847         (create_value_expr_from): If asked for, verify all operands
1848         are in the blocks AVAIL_OUT set.
1849         (make_values_for_stmt): Check for SSA_NAMEs that are life
1850         over an abnormal edge.
1851         (compute_avail): Remove such check.
1852         (do_SCCVN_insertion): New function.
1853         (eliminate): If we do not find a leader suitable for replacement
1854         insert a replacement expression from SCCVN if available.
1855         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1856         (struct vn_ssa_aux): Add needs_insertion flag.
1857         * tree-ssa-sccvn.c (may_insert): New global flag.
1858         (copy_reference_ops_from_ref): Value-number union member access
1859         based on its size, not type and member if insertion is allowed.
1860         (visit_reference_op_load): For a weak match from union type
1861         punning lookup a view-converted value and insert a SSA_NAME
1862         for that value if that is not found.
1863         (visit_use): Make dumps shorter.  Do not disallow value numbering
1864         SSA_NAMEs that are life over an abnormal edge to constants.
1865         (free_scc_vn): Release inserted SSA_NAMEs.
1866         (run_scc_vn): New flag to specify whether insertion is allowed.
1867         Process SSA_NAMEs in forward order.
1868         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1869         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1870         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1871         pointer type to/from integral types that do not change the
1872         precision to regular conversions.
1873
1874 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1875
1876         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1877         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1878         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1879         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1880         input arguments and the mode of return value.  Built-in functions
1881         that operate on whole 64-bit MMX register now use V1DI mode.
1882
1883 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1884             Olga Golovanevsky  <olga@il.ibm.com>
1885
1886         PR tree-optimization/35041
1887         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1888         to locate the right position in a statement.
1889
1890 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         PR target/34000
1893         PR target/35553
1894         * config/i386/xmmintrin.h:  Change all static inline functions to
1895         extern inline and add __gnu_inline__ attribute.
1896         * config/i386/bmintrin.h: Ditto.
1897         * config/i386/smmintrin.h: Ditto.
1898         * config/i386/tmmintrin.h: Ditto.
1899         * config/i386/mmintrin-common.h: Ditto.
1900         * config/i386/ammintrin.h: Ditto.
1901         * config/i386/emmintrin.h: Ditto.
1902         * config/i386/pmmintrin.h: Ditto.
1903         * config/i386/mmintrin.h: Ditto.
1904         * config/i386/mm3dnow.h: Ditto.
1905
1906 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1907
1908         PR middle-end/35185
1909         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1910         (lower_omp_2): New function.
1911         (lower_omp_1, lower_omp): Rewritten.
1912
1913 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1914
1915         PR 35054
1916         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1917         with the phrase "Microsoft Windows compilers".
1918         (Push/Pop Macro Pragmas): New subsection. Document
1919         #pragma push_macro and pragma pop_macro.
1920
1921 2008-03-12  Paul Brook  <paul@codesourcery.com>
1922
1923         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1924
1925 2008-03-12  Paul Brook  <paul@codesourcery.com>
1926
1927         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1928         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1929         (thumb2_addsi_shortim): Rename ...
1930         (thumb2_addsi_short): ... to this.  Allow register operands.
1931         (thumb2_subsi_short): New pattern.
1932         (thumb2_one_cmplsi2_short,
1933         thumb2_negsi2_short): New patterns and peepholes.
1934
1935 2008-03-12  Paul Brook  <paul@codesourcery.com>
1936
1937         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1938
1939 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1940
1941         * config/i386/i386.md (int_cond): New code iterator.
1942         (fp_cond): Ditto.
1943         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1944         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1945         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1946         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1947         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1948         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1949         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1950         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1951
1952 2008-03-12  Paul Brook  <paul@codesourcery.com>
1953
1954         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1955         instead of {arm,thumb}_compute_save_reg_mask.
1956         (output_return_instruction): Ditto.
1957         (thumb_unexpanded_epilogue): Ditto.
1958         (thumb1_expand_prologue): Ditto.
1959         (thumb1_output_function_prologue): Ditto.
1960         (arm_set_return_address): Ditto.
1961         (thumb_set_return_address): Ditto.
1962         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1963         regs to achieve stack alignment.
1964         (thumb1_compute_save_reg_mask): Fix compiler warning.
1965         (arm_output_epilogue): Use offsets->saved_regs_mask.
1966         Adjust stack pointer by poping call clobered registers.
1967         (arm_expand_prologue): Use offsets->saved_regs_mask.
1968         Adjust stack pointer by pushing extra registers.
1969         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1970
1971 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1972
1973         PR tree-opt/35422
1974         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1975         conversion to the operands of a multiplication.
1976
1977 2008-03-12  Richard Guenther  <rguenther@suse.de>
1978
1979         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1980         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1981         * timevar.def (TV_TREE_PHIPROP): Add.
1982         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1983         pass description.  Use TV_TREE_PHIPROP.
1984         * tree-ssa-forwprop.c: Remove phiprop code.
1985
1986 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1987
1988         PR middle-end/35549
1989         * omp-low.c (maybe_lookup_decl): Constify first argument.
1990         (use_pointer_for_field): Change last argument from bool to
1991         omp_context *.  Disallow shared copy-in/out in nested
1992         parallel if decl is shared in outer parallel too.
1993         (build_outer_var_ref, scan_sharing_clauses,
1994         lower_rec_input_clauses, lower_copyprivate_clauses,
1995         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1996
1997 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1998             Ira Rosen  <irar@il.ibm.com>
1999
2000         * tree-vectorizer.c (free_stmt_vec_info): New function.
2001         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
2002         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
2003         * tree-vectorizer.h (free_stmt_vec_info): Declare.
2004         * tree-vect-transform.c (vectorizable_conversion): Free
2005         vec_oprnds0 if it was allocated.
2006         (vect_permute_store_chain): Remove unused VECs.
2007         (vectorizable_store): Free VECs that are allocated in the..
2008         function.
2009         (vect_transform_strided_load, vectorizable_load): Likewise.
2010         (vect_remove_stores): Simplify the code.
2011         (vect_transform_loop): Move code to vect_remove_stores().
2012         Call vect_remove_stores() and free_stmt_vec_info().
2013
2014 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2015
2016         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
2017         TARGET_HPUX.  Revise comment.
2018         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
2019         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
2020         Use sr4 variant of `be' instruction when not generating PIC code.
2021         (attr_length_call): Adjust for above change.
2022
2023 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2024
2025         * ipa-reference.c (static_execute): Remove module_statics_const and
2026         associated setting code.
2027
2028 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2029
2030         PR target/35540
2031         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2032         predicate for operand 1.
2033         (paritysi2_cmp): Use register_operand predicate for operand 2.
2034         Use earlyclobber modifier for operand 1.  Remove support for
2035         memory operands.
2036         (paritydi2_cmp): Use register_operand predicate for operand 3.
2037         Use earlyclobber modifier for operand 1.  Remove support for
2038         memory operands.
2039
2040 2008-03-11  Paul Brook  <paul@codesourcery.com>
2041             Vladimir Prus  <vladimir@codesourcery.com>
2042
2043         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2044         (arm_compute_save_reg0_reg12_mask): Always
2045         check if register 11 must be saved.  Always safe hard frame pointer
2046         when frame_pointer_needeed.
2047         (arm_compute_save_reg_mask): Save IP and PC
2048         only with apcs frames.
2049         (arm_output_epilogue): Adjust Thumb2 codepath to
2050         be also invoked and work for ARM non-apcs frames.
2051         (arm_expand_prologue): Don't bother saving IP
2052         for non-apcs frame, since it's not clobbered by
2053         prologue code.  Implement non-apcs frame
2054         layout.
2055
2056 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2057
2058         PR rtl-optimization/35281
2059         * expr.c (convert_move): Use a new pseudo for the intermediate
2060         from_mode->word_mode result.
2061
2062 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2063
2064         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2065         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2066         * toplev.c (compile_file): Don't call it.
2067
2068 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2069
2070         PR middle-end/35526
2071         * expr.c (store_expr): Call emit_block_move if the mode
2072         of "temp" RTX is BLKmode.
2073
2074 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2075             Richard Guenther  <rguenther@suse.de>
2076
2077         PR tree-optimization/31358
2078         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2079         the step with a NULL_TREE.
2080         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2081         to sizetype if type is a pointer type.
2082         (add_candidate_1): Don't convert the base and step to
2083         the generic type if the orginal type is a pointer type.
2084         (add_iv_value_candidates): Use sizetype for the step
2085         if type is a pointer type.
2086         (cand_value_at): Likewise.
2087         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2088         for pointer types.
2089         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2090         Don't convert the tem affine to the type.
2091         (add_elt_to_tree): Use sizetype for the step if a pointer.
2092         Use POINTER_PLUS_EXPR for pointers.
2093         (aff_combination_to_tree): Use sizetype for the step if a
2094         pointer.
2095
2096 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2097
2098         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2099         Remove commutativity hint.
2100
2101 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2102
2103         PR c/35438
2104         PR c/35439
2105         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2106         errorneous type.  Check that v is a VAR_DECL.
2107
2108         PR middle-end/35099
2109         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2110
2111 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2112
2113         PR tree-optimization/35494
2114         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2115         may be overriden at link and run time.
2116
2117 2008-03-10  Richard Guenther  <rguenther@suse.de>
2118
2119         PR tree-optimization/34677
2120         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2121         (poolify_tree): Likewise.
2122         (modify_expr_template): Likewise.
2123         (poolify_modify_stmt): Likewise.
2124         (insert_fake_stores): Handle all component-ref style stores
2125         in addition to INDIRECT_REF.  Also handle complex types.
2126         Do not poolify the inserted load.
2127         (realify_fake_stores): Do not rebuild the tree but only
2128         make it a SSA_NAME copy.
2129         (init_pre): Remove initialzation of modify_expr_template.
2130         Do not allocate modify_expr_node_pool.
2131         (fini_pre): Do not free modify_expr_node_pool.
2132
2133 2008-03-10  Paul Brook  <paul@codesourcery.com>
2134
2135         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2136         to avoid conflicts.
2137
2138 2008-03-10  Paul Brook  <paul@codesourcery.com>
2139             Mark Shinwell  <shinwell@codesourcery.com>
2140
2141         * config/arm/cortex-r4.md: New.
2142         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2143         insn attributes.
2144         * config/arm/arm.md: Include cortex-r4.md.
2145         (insn): Add smmls, sdiv and udiv values.
2146         (generic_sched): Don't use generic scheduling for Cortex-R4.
2147         (arm_issue_rate): New function.
2148         (TARGET_SCHED_ISSUE_RATE): Define.
2149
2150 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2151
2152         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2153
2154 2008-03-10  Richard Guenther  <rguenther@suse.de>
2155
2156         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2157         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2158
2159 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2160
2161         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2162         Set default to true.
2163
2164 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2165
2166         * c.opt (Wsynth): Deprecate.
2167         * doc/invoke.texi (Option Summary, Warning Options): Document
2168         -Wno-format-contains-nul.
2169
2170 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2171
2172         PR target/35496
2173         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2174         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2175
2176 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2177
2178         * config/rs6000/rs6000.c (builtin_description): Rename vector
2179         left shift operations.
2180         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2181         (altivec_vsl<VI_char>): Rename to ...
2182         (ashl<mode>3): ... new name.
2183         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2184         gen_ashlv4si3.
2185         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2186
2187 2008-03-08  Richard Guenther  <rguenther@suse.de>
2188
2189         * coverage.h (tree_coverage_counter_addr): Declare.
2190         * coverage.c (tree_coverage_counter_addr): New function.
2191         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2192         before using again.
2193         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2194         (tree_gen_one_value_profiler): Likewise.
2195         (tree_gen_ic_profiler): Likewise.
2196         (tree_gen_average_profiler): Likewise.
2197         (tree_gen_ior_profiler): Likewise.
2198
2199 2008-03-08  Richard Guenther  <rguenther@suse.de>
2200
2201         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2202         (vn_binary_op_insert): Likewise.
2203         (vn_unary_op_lookup): Likewise.
2204         (vn_unary_op_insert): Likewise.
2205         (vn_nary_op_lookup): Declare.
2206         (vn_nary_op_insert): Likewise.
2207         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2208         and binary hashes, use a single obstack for unary_op_pool
2209         and binary_op_pool.
2210         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2211         a single struct vn_nary_op_s.  Store tree code length and
2212         a variable number of operands.
2213         (struct vn_reference_op_struct): Remove unused op2.
2214         (vn_reference_op_eq): Do not compare op2.
2215         (vn_reference_op_compute_hash): Do not compute hash of op2.
2216         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2217         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2218         with vn_nary_op_compute_hash.
2219         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2220         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2221         vn_nary_op_lookup.
2222         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2223         vn_nary_op_insert.
2224         (visit_unary_op): Call nary functions.
2225         (visit_binary_op): Likewise.
2226         (process_scc): Adjust for struct vn_tables_s changes.
2227         (allocate_vn_table): Likewise.
2228         (free_vn_table): Likewise.
2229         * tree-vn.c (vn_add): Call nary functions.
2230         (vn_lookup): Likewise.
2231
2232 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2233
2234         PR target/35498
2235         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2236         wdst back after sync_compare_and_swapqhi_internal.
2237
2238 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2239
2240         PR target/22152
2241         * config/i386/i386-modes.def (V1DI): New vector mode.
2242         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2243         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2244         (MMXMODE248): Ditto.
2245         (MMXMODE): Add V1DI mode.
2246         (mmxvecsize): Change DI mode to V1DI mode.
2247         ("mov<mode>): Use MMXMODEI8 mode iterator.
2248         ("*mov<mode>_internal_rex64"): Ditto.
2249         ("*mov<mode>_internal"): Ditto.
2250         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2251         ("mmx_sub<mode>3"): Ditto.
2252         ("mmx_adddi3"): Remove insn pattern.
2253         ("mmx_subdi3"): Ditto.
2254         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2255         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2256         ("mmx_ashl<mode>3"): Ditto.
2257         ("mmx_lshrdi3"): Remove insn pattern.
2258         ("mmx_ashldi3"): Ditto.
2259         * config/i386/i386.c (classify_argument): Handle V1DImode.
2260         (function_arg_advance_32): Ditto.
2261         (function_arg_32): Ditto.
2262         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2263         mmx_addv1di3 insn pattern.
2264         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2265         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2266         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2267         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2268         Remove definitions of built-in functions.
2269         (V1DI_type_node): New node.
2270         (v1di_ftype_v1di_int): Ditto.
2271         (v1di_ftype_v1di_v1di): Ditto.
2272         (v2si_ftype_v2si_si): Ditto.
2273         (v4hi_ftype_v4hi_di): Remove node.
2274         (v2si_ftype_v2si_di): Ditto.
2275         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2276         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2277         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2278         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2279         Add new builtins using def_builtin_const.
2280         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2281         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2282         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2283         * config/i386/mmintrin.h (__v1di): New typedef.
2284         (_mm_add_si64): Cast arguments to __v1di type.
2285         (_mm_sub_si64): Ditto.
2286         (_mm_sll_pi16): Cast __count to __v4hi type.
2287         (_mm_sll_pi32): Cast __count to __v2si type.
2288         (_mm_sll_si64): Cast arguments to __v1di type.
2289         (_mm_srl_pi16): Cast __count to __v4hi type.
2290         (_mm_srl_pi32): Cast __count to __v2si type.
2291         (_mm_srl_si64): Cast arguments to __v1di type.
2292         (_mm_sra_pi16): Cast __count to __v4hi type.
2293         (_mm_sra_pi32): Cast __count to __v2si type.
2294         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2295         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2296         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2297         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2298         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2299         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2300         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2301         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2302         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2303         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2304         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2305         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2306
2307 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2308
2309         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2310
2311 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2312
2313         PR target/35373
2314         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2315         reg+const addressing for Altivec modes.  Don't generate reg+reg
2316         addressing for TFmode or TDmode quantities.
2317
2318 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2319
2320         * c-common.c (vector_types_convertible_p): Call langhook
2321         instead of comptypes.
2322
2323 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2324
2325         PR tree-opt/35402
2326         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2327         integral and scalar float variables which have a
2328         NULL DECL_INITIAL.
2329
2330 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2331
2332         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2333         dwarf_register_span hook when emitting unwind information for
2334         register-to-memory saves.
2335         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2336         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2337
2338 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2339
2340         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2341         for the same VAR_DECL.
2342
2343 2008-03-06  Tom Tromey  <tromey@redhat.com>
2344
2345         * treelang: Delete.
2346         * doc/standards.texi (Standards): Don't mention treelang.
2347         * doc/invoke.texi (Overall Options): Don't mention treelang.
2348         * doc/install.texi (Prerequisites): Don't mention bison or
2349         treelang.
2350         (Configuration): Don't mention treelang.
2351         (Building): Likewise.
2352         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2353
2354 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2355
2356         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2357         word-extractions out of a multi-word object.
2358
2359 2008-03-06  Richard Guenther  <rguenther@suse.de>
2360
2361         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2362         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2363         result type and precision.
2364         * expr.c (get_inner_reference): Set unsignedp based on the result
2365         type of BIT_FIELD_REF.
2366         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2367         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2368         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2369         for BIT_FIELD_REF.
2370         (sra_build_assignment): Likewise.
2371         (sra_build_elt_assignment): Likewise.
2372         (sra_explode_bitfield_assignment): Likewise.
2373         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2374         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2375         set BIT_FIELD_REF_UNSIGNED.
2376         (vectorizable_load): Likewise.
2377
2378 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2379
2380         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2381         at bb start.
2382
2383 2008-03-06  Richard Guenther  <rguenther@suse.de>
2384
2385         * alias.c (struct alias_set_entry): Move has_zero_child field
2386         to pack with alias_set.
2387
2388 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2389
2390         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2391         32bit host.
2392
2393 2008-03-05  Ian Lance Taylor  <iant@google.com>
2394
2395         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2396
2397 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2398
2399         * fwprop.c (update_df): Support width and offset parameters of
2400         df_ref_create.
2401         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2402         global_conflicts): Change DF_REF_EXTRACT to either
2403         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2404         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2405         * df-scan.c (df_ref_record, df_defs_record,
2406         df_ref_create_structure, df_def_record_1, df_uses_record,
2407         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2408         df_bb_refs_collect, df_entry_block_defs_collect,
2409         df_exit_block_uses_collect): Support new width and offset fields.
2410         (ref_extract_pool): New storage pool.
2411         (df_free_ref): New function.
2412         (df_reg_chain_unlink, df_free_collection_rec,
2413         df_sort_and_compress_refs): Call df_free_ref.
2414         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2415         of df_ref_extract.
2416         (df_ref_create_structure): Allocate df_ref_extract if offset and
2417         width fields are used.
2418         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2419         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2420         and SIGN_EXTRACT.
2421         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2422         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2423         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2424         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2425         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2426         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2427         (df_ref_extract): New structure.
2428         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2429         (df_ref_create): Add width and offset parameters.
2430         
2431 2008-03-05  Richard Guenther  <rguenther@suse.de>
2432
2433         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2434         Use ranges_overlap_p.
2435         (offset_overlaps_with_access): Rename
2436         to ranges_overlap_p and move ...
2437         * tree-flow-inline.h (ranges_overlap_p): ... here.
2438
2439         * tree.h (get_inner_reference, handled_component_p): Update
2440         comments.
2441
2442         * tree.h (record_component_aliases, get_alias_set,
2443         alias_sets_conflict_p, alias_sets_must_conflict_p,
2444         objects_must_conflict_p): Move declarations ...
2445         * alias.h (record_component_aliases, get_alias_set,
2446         alias_sets_conflict_p, alias_sets_must_conflict_p,
2447         objects_must_conflict_p): ... here.
2448         Include coretypes.h.
2449         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2450
2451 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2452
2453         * cfg.c: Include tree-flow.h.
2454         (remove_edge_raw): Call redirect_edge_var_map_clear.
2455         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2456         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2457         (redirect_edge_var_map_result): New.
2458         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2459         PENDING_STMT use with redirect_edge_var_map_*.
2460         * tree-ssa.c (edge_var_maps): New definition.
2461         (redirect_edge_var_map_add): New.
2462         (redirect_edge_var_map_clear): New.
2463         (redirect_edge_var_map_dup): New.
2464         (redirect_edge_var_map_vector): New.
2465         (redirect_edge_var_map_destroy): New.
2466         (ssa_redirect_edge): Replace PENDING_STMT use with
2467         redirect_edge_var_map_*.
2468         (flush_pending_stmts): Same.
2469         (delete_tree_ssa): Destroy edge var map.
2470         * tree-flow.h (struct _edge_var_map): New.
2471         Define edge_var_map vector type.
2472         Declare redirect_edge_var_map_* prototypes.
2473         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2474         * tree-cfg.c (reinstall_phi_args): Replace
2475         PENDING_STMT use with redirect_edge_var_map_*.
2476
2477 2008-03-05  Richard Guenther  <rguenther@suse.de>
2478
2479         PR tree-optimization/35472
2480         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2481         whose single use_stmt has a overlapping set of loaded and
2482         stored symbols as that use_stmt might be a noop assignment then.
2483
2484 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2485
2486         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2487
2488 2008-03-05  Richard Guenther  <rguenther@suse.de>
2489
2490         PR c++/35336
2491         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2492         should be constants.
2493         * tree-cfg.c (verify_expr): Verify it.
2494         * fold-const.c (fold_truthop): Remove code generating
2495         BIT_FIELD_REFs of structure bases.
2496         (fold_binary): Likewise.
2497         (fold_ternary): Position and size of BIT_FIELD_REFs are
2498         always host integers.
2499         (make_bit_field_ref): Remove.
2500         (optimize_bit_field_compare): Remove.
2501         (all_ones_mask_p): Remove.
2502
2503 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2504
2505         PR gcc/33009
2506         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2507         (split_block_and_df_analyze): New. Split basic block and rebuild
2508         dataflow.
2509         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2510         SPLIT_BLOCK.
2511         (split_pattern_seq): Likewise.
2512         (erase_matching_seqs): Likewise.
2513         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2514
2515 2008-03-04  Geoff Keating  <geoffk@apple.com>
2516
2517         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2518         declaration and code.
2519         (tree_invalid_nonnegative_warnv_p): Likewise.
2520
2521 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2522
2523         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2524         examples.  Truncate option-names then causing overfull hbox.
2525
2526 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2527
2528         PR target/35222
2529         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2530         on hpux10.
2531         * configure: Rebuilt.
2532
2533 2008-03-04  Rafael Espindola  <espindola@google.com>
2534
2535         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2536         (tree_unary_nonnegative_warnv_p): New.
2537         (tree_binary_nonnegative_warnv_p): New.
2538         (tree_single_nonnegative_warnv_p): New.
2539         (tree_invalid_nonnegative_warnv_p): New.
2540         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2541
2542 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2543
2544         PR 28322
2545         * opts.c (handle_option): Postpone 'unknown option' errors only for
2546         warning options.
2547
2548 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2549
2550         PR target/35453
2551         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2552         (_SIDD_XXX): This.
2553
2554 2008-03-04  Rafael Espindola  <espindola@google.com>
2555
2556         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2557         (tree_binary_nonzero_warnv_p): New.
2558         (tree_single_nonzero_warnv_p): New.
2559         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2560
2561 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2562
2563         PR middle-end/35456
2564         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2565         transformations for modes that have signed zeros.
2566         * ifcvt.c (noce_try_abs): Ditto.
2567
2568 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2569
2570         * config/i386/i386.c (override_options): Force
2571         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2572
2573 2008-03-04  Jan Hubicka  <jh@suse.cz>
2574
2575         PR c++/35262
2576         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2577         in last commit.
2578
2579 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2580
2581         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2582         label to probe the stack.
2583
2584 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2585
2586         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2587         (__gthr_win32_mutex_destroy): Declare.
2588         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2589         __gthr_win32_mutex_destroy.
2590         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2591
2592 2008-03-03  Jan Hubicka  <jh@suse.cz>
2593
2594         PR c++/35262
2595         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2596         aggressive on inlining cold calls.
2597
2598 2008-03-03  Richard Guenther  <rguenther@suse.de>
2599
2600         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2601         struct copies into the expression table.
2602         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2603         (try_to_simplify): Likewise.
2604         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2605         integral and pointer arguments which do not change the
2606         precision to NOP_EXPRs.
2607         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2608         VIEW_CONVERT_EXPR case.
2609
2610 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2613         defined in a loop at depth 0 is invariant.
2614         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2615         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2616         be called at loop depth 0.
2617
2618 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2619
2620         PR driver/35420
2621         * gcc.c (process_command): Update copyright notice dates.
2622         * gcov.c (print_version): Likewise.
2623         * gcov-dump.c (print_version): Likewise.
2624         * mips-tfile.c (main): Likewise.
2625         * mips-tdump.c (main): Likewise.
2626
2627 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2628
2629         PR 24924
2630         * c-common.c (flag_permissive): Delete.
2631         (constant_expression_warnings): Check flags first.
2632         (constant_expression_error): New.
2633         * c-common.h (flag_permissive): Delete.
2634         (constant_expression_error): Declare.
2635         * flags.h (flag_permissive): Declare. Update description.
2636         * diagnostic.c (pedwarn): Update.
2637         (permerror): New.
2638         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2639         (permissive_error_kind): New.
2640         * toplev.c (flag_permissive): Define. Update description.
2641         * toplev.h (permissive_error_kind): Declare.
2642         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2643         (pedwarn_c90): Use pedantic_warning_kind.
2644         * c-opts.c (c_common_post_options): flag_permissive does not affect
2645         flag_pedantic_errors.
2646
2647 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2648
2649         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2650         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2651         __absvsi2, __absvDI2): Use unsigned arithmetic.
2652
2653 2008-03-02  Andi Kleen  <ak@suse.de>
2654             Richard Guenther  <rguenther@suse.de>
2655
2656         * struct-equiv.c: Remove file.
2657         * cfg_cleanup.c (condjump_equiv_p): Remove.
2658         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2659         (struct-equiv.o): Remove rule.
2660         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2661         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2662         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2663
2664 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2665
2666         * ifcvt.c (noce_process_if_block): Try to handle only the then
2667         block if the else block exists but isn't suitable.
2668
2669 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2670
2671         PR gcc/35063
2672         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2673         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2674         regression from previous patch.
2675
2676 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2677
2678         PR gcc/35063
2679         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2680         implemented.
2681         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2682         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2683         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2684         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2685         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2686         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2687         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2688         (__gthread_mutex_destroy_function): Rename to
2689         __gthread_mutex_destroy.
2690         * gthr-dce.h (__gthread_mutex_destroy): Call
2691         pthread_mutex_destroy.
2692         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2693         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2694         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2695
2696 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2697
2698         * df-scan.c (df_ref_chain_change_bb): Simplify.
2699         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2700         set_block_for_insn if there's any change.
2701         * df.h ((df_insn_change_bb): Fix prototype.
2702         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2703         df_insn_change_bb, don't call set_block_for_insn.
2704         * emit-rtl.c (reorder_insns): Likewise.
2705         * haifa-sched.c (move_insn): Likewise.
2706
2707 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2708
2709         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2710
2711 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2712
2713         * tree-flow-inline.h (next_readonly_imm_use): Return
2714         NULL_USE_OPERAND_P after the end.
2715
2716 2008-03-01  Richard Guenther  <rguenther@suse.de>
2717
2718         PR tree-optimization/35411
2719         * tree-sra.c (sra_build_assignment): Split conversion to
2720         final type to a separate statement if we are not assigning
2721         to a register.
2722
2723 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2724
2725         * fold-const.c (fold_convertible_p): Correct the logic to follow
2726         that in fold_convert().
2727
2728 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2729
2730         PR c++/35315
2731         * tree-inline.c (build_duplicate_type): When we make a
2732         duplicate type, make it unique in the canonical types system.
2733
2734 2008-02-29  Tom Tromey  <tromey@redhat.com>
2735
2736         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2737         input_file_stack_history, input_file_stack_restored): Remove.
2738         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2739         * input.h (struct file_stack): Remove.
2740         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2741         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2742         Likewise.
2743         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2744         type.
2745         (diagnostic_last_module_changed): Add 'map' argument.
2746         (diagnostic_set_last_function): Likewise.
2747         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2748         line map, not input_file_stack.
2749         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2750
2751 2008-02-29  Paul Brook  <paul@codesourcery.com>
2752
2753         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2754
2755 2008-02-29  Paul Brook  <paul@codesourcery.com>
2756
2757         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2758
2759 2008-02-29  Richard Guenther  <rguenther@suse.de>
2760
2761         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2762         vn_lookup_or_add.
2763         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2764         value for comparing for a store match.
2765         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2766         (try_to_simplify): Do not do a full-blown reference lookup.
2767
2768 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2769
2770         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2771         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2772
2773         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2774
2775 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2776
2777         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2778         strides against cache sizes.
2779
2780 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2781
2782         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2783         constant to fpul.
2784
2785 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2786
2787         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2788         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2789         is smaller than the original promoted value.
2790         (simplify_subreg): If OP is a SUBREG, try to preserve its
2791         SUBREG_PROMOTED_VAR_P information.
2792
2793 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2794
2795         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2796         (VN_INFO_GET): Allocate new objects on the obstack.
2797         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2798         for rpo_numbers_temp, for consistency.
2799         (free_scc_vn): Free the obstack.
2800
2801 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2802
2803         * doc/invoke.texi: Document -ftree-loop-distribution.
2804         * tree-loop-distribution.c: New.
2805         * tree-pass.h (pass_loop_distribution): New.
2806         * graphds.h (struct graph): Add htab_t indices.
2807         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2808         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2809         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2810         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2811         * tree-data-ref.c (debug_data_dependence_relations): New.
2812         (dump_data_dependence_relation): Also print data references.
2813         (free_data_ref): Extern.
2814         (same_access_functions): Moved...
2815         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2816         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2817         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2818         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2819         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2820         (stmts_from_loop): Skip LABEL_EXPR.
2821         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2822         New.
2823         (build_rdg): Initialize rdg->indices htab.
2824         (free_rdg, stores_from_loop, ref_base_address,
2825         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2826         have_similar_memory_accesses_1, ref_base_address_1,
2827         remove_similar_memory_refs): New.
2828         * tree-data-ref.h: Depend on tree-chrec.h.
2829         (debug_data_dependence_relations, free_data_ref): Declared.
2830         (same_access_functions): ... here.
2831         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2832         New.
2833         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2834         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2835         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2836         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2837         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2838         rdg_vertex_for_stmt): Declared.
2839         (struct rdg_edge): Add level.
2840         (RDGE_LEVEL): New.
2841         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2842         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2843         Declared.
2844         (rdg_has_similar_memory_accesses): New.
2845         * tree-vect-analyze.c: Remove unused static decls.
2846         * lambda.h (dependence_level): New.
2847         * common.opt (ftree-loop-distribution): New.
2848         * tree-flow.h (mark_virtual_ops_in_bb, 
2849         slpeel_tree_duplicate_loop_to_edge_cfg,
2850         rename_variables_in_loop): Declared.
2851         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2852         (OBJS-common): Add tree-loop-distribution.o.
2853         (tree-loop-distribution.o): New rule.
2854         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2855         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2856         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2857
2858 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2859
2860         PR target/33963
2861         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2862         other than structures and unions.
2863
2864 2008-02-28  Richard Guenther  <rguenther@suse.de>
2865
2866         Revert:
2867         2008-02-26  Richard Guenther  <rguenther@suse.de>
2868
2869         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2870         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2871         (lookup_decl_from_uid): Declare.
2872         (remove_decl_from_map): Likewise.
2873         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2874         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2875         (decl_for_uid_map): New global hashtable mapping DECL_UID
2876         to the decl tree.
2877         (init_ttree): Allocate it.
2878         (insert_decl_to_uid_decl_map): New helper function.
2879         (make_node_stat): Insert new decls into the map.
2880         (copy_node_stat): Likewise.
2881         (lookup_decl_from_uid): New function.
2882         (remove_decl_from_map): Likewise.
2883         (print_decl_for_uid_map_statistics): New helper.
2884         (dump_tree_statistics): Call it.
2885
2886         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2887         (referenced_var_iterator): Adjust.
2888         (FOR_EACH_REFERENCED_VAR): Adjust.
2889         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2890         (num_referenced_vars): Adjust.
2891         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2892         (first_referenced_var): Remove.
2893         (end_referenced_vars_p): Likewise.
2894         (next_referenced_var): Likewise.
2895         (referenced_var_iterator_set): New helper function.
2896         * tree-dfa.c (referenced_var_lookup): Adjust.
2897         (referenced_var_check_and_insert): Likewise.
2898         (remove_referenced_var): Likewise.
2899         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2900         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2901         (verify_call_clobbering): Likewise.
2902         (verify_memory_partitions): Likewise.
2903         (init_tree_ssa): Allocate bitmap instead of hashtable for
2904         referenced_vars.
2905         (delete_tree_ssa): Adjust.
2906         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2907         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2908         (compute_tag_properties): Likewise.
2909         (set_initial_properties): Likewise.
2910         (find_partition_for): Likewise.
2911         (update_reference_counts): Likewise.
2912         (dump_may_aliases_for): Likewise.
2913         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2914         (add_call_clobber_ops): Likewise.
2915         (add_call_read_ops): Likewise.
2916         (get_asm_expr_operands): Likewise.
2917         * tree-into-ssa.c (dump_decl_set): Likewise.
2918         (update_ssa): Likewise.
2919         * tree-sra.c (scan_function): Likewise.
2920         (decide_instantiations): Likewise.
2921         (scalarize_parms): Likewise.
2922         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2923         (dsa_named_for): Likewise.
2924         * tree-ssa-structalias.c (update_alias_info): Likewise.
2925         (merge_smts_into): Likewise.
2926
2927 2008-02-27  David Daney  <ddaney@avtrex.com>
2928
2929         PR target/34409
2930         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2931         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2932         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2933         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2934         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2935
2936 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2937
2938         PR target/25477
2939         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2940         (BUILT_IN_NEXTTOWARD): Remove.
2941         (BUILT_IN_NEXTTOWARDF): Ditto.
2942         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2943         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2944
2945 2008-02-27  Tom Tromey  <tromey@redhat.com>
2946
2947         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2948         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2949
2950 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2951
2952         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2953         update the respective field on newdecl.
2954
2955 2008-02-27  Revital Eres  <eres@il.ibm.com>
2956
2957         PR rtl-optimization/34999
2958         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2959         crossing edges that ends with a call insn.
2960         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2961         call insn and clear the EDGE_CROSSING flag of the crossing edge
2962         when fixing fallthru edges.
2963
2964 2008-02-27  Richard Guenther  <rguenther@suse.de>
2965
2966         PR middle-end/35390
2967         * fold-const.c (fold_unary): Return the correct argument,
2968         converted to the result type.
2969
2970 2008-02-27  Richard Guenther  <rguenther@suse.de>
2971
2972         PR middle-end/34971
2973         * expr.c (expand_expr_real_1): Assert on rotates that operate
2974         on partial modes.
2975         * fold-const.c (fold_binary): Use the types precision, not the
2976         bitsize of the mode if folding rotate expressions.  Build rotates
2977         only for full modes.
2978
2979 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2980
2981         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2982         and CPP_PRAGMA_EOL.
2983         * c-pragma.c (pragma_ns_name): New typedef.
2984         (registered_pp_pragmas): New variable.
2985         (c_pp_lookup_pragma): New function.
2986         (c_register_pragma_1): If flag_preprocess_only, do nothing
2987         for non-expanded pragmas, for expanded ones push pragma's
2988         namespace and name into registered_pp_pragmas vector.
2989         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2990         flag_preprocess_only, don't register GCC pch_preprocess
2991         pragma if flag_preprocess_only.
2992         * c-opts.c (c_common_init): Call init_pragma even if
2993         flag_preprocess_only.
2994         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2995         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2996         cpp_register_pragma if flag_preprocess_only.
2997
2998 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2999
3000         PR c/28800
3001         * c-parser.c (c_parser_translation_unit): Warn for empty
3002         translation unit, not empty source file.
3003
3004 2008-02-26  Paul Brook  <paul@codesourcery.com>
3005
3006         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
3007         operand for Thumb-2.
3008         * config/arm/arm.h (reg_class): Add CORE_REGS.
3009         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
3010         (BASE_REG_CLASS): Use CORE_REGS.
3011         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
3012         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
3013         (REGNO_OK_FOR_INDEX_P): Exclude SP.
3014         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
3015         ARM_REGNO_OK_FOR_INDEX_P.
3016         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
3017         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
3018         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
3019         (ldm/stm peepholes): Ditto.
3020         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
3021         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
3022         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
3023         * config/arm/constraints.md: Enable "k" constraint on ARM.
3024
3025 2008-02-27  Ben Elliston  <bje@au.ibm.com>
3026
3027         * config/rs6000/rs6000.c: Annotate cache line size field in all
3028         instances of struct processor_costs.
3029
3030 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3031
3032         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3033         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3034         jump_bypass): New counters.
3035         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3036         * dce.c (gate_ud_dce): Same.
3037         (gate_fast_dce): Same.
3038         * dse.c (gate_dse1): New function.
3039         (gate_dse2): New function.
3040         (gate_dse): Merge results of new gate functions.
3041         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3042         (gate_handle_jump_bypass): Add dbg_cnt.
3043         (gate_handle_gcse): Add dbg_cnt.
3044         * ifcvt.c (gate_handle_if_conversion): Same.
3045         (gate_handle_if_after_combine): Same.
3046         (gate_handle_if_after_reload): Same.
3047         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3048
3049 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3050
3051         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3052         line sizes.
3053         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3054
3055 2008-02-26  Jason Merrill  <jason@redhat.com>
3056
3057         PR c++/35315
3058         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3059         alone if it's the naming decl for the type's main variant.
3060
3061 2008-02-26  Tom Tromey  <tromey@redhat.com>
3062
3063         * system.h (USE_MAPPED_LOCATION): Poison.
3064         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3065         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3066         (make_goto_expr_edges): Likewise.
3067         (remove_bb): Likewise.
3068         (execute_warn_function_return): Likewise.
3069         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3070         location_t.
3071         * c-common.c (fname_decl): Remove old location code.
3072         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3073         location code.
3074         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3075         variant.
3076         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3077         (gen_rtx_ASM_INPUT): Likewise.
3078         (gen_rtx_ASM_INPUT_loc): Likewise.
3079         (get_rtx_asm_OPERANDS): Remove.
3080         * cfglayout.c (insn_locators_alloc): Remove old location code.
3081         (set_curr_insn_source_location): Likewise.
3082         (curr_insn_locator): Likewise.
3083         * print-tree.c (print_node): Remove old location code.
3084         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3085         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3086         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3087         location_from_locus.
3088         (construct_exit_block): Remove old location code.
3089         * emit-rtl.c (force_next_line_note): Remove old location code.
3090         * profile.c (branch_prob): Remove old location code.
3091         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3092         LOC_LINE): Remove old-location variants.
3093         * langhooks.c (lhd_print_error_function): Remove old location
3094         code.
3095         * configure, config.in: Rebuilt.
3096         * configure.ac (--enable-mapped-location): Remove.
3097         * c-decl.c (c_init_decl_processing): Remove old location code.
3098         (finish_function): Likewise.
3099         * recog.c (decode_asm_operands): Remove old location code.
3100         * c-pch.c (c_common_read_pch): Remove old location code.
3101         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3102         variants.
3103         * gimple-low.c (lower_function_body): Remove old location code.
3104         * toplev.c (unknown_location): Remove.
3105         (push_srcloc): Remove old-location variant.
3106         (process_options): Remove old location code.
3107         (lang_dependent_init): Likewise.
3108         * input.h (UNKNOWN_LOCATION): Move definition.
3109         (location_t): Undeprecate.
3110         (source_locus): Remove.
3111         (location_from_locus): Remove.
3112         (struct location_s): Remove.
3113         Remove all old-location code.
3114         (input_line, input_filename): Remove.
3115         * final.c (final_scan_insn): Remove old location code.
3116         * diagnostic.c (diagnostic_build_prefix): Remove
3117         USE_MAPPED_LOCATION test.
3118         * tree.h (gimple_stmt) <locus>: Now a location_t.
3119         (tree_exp) <locus>: Likewise.
3120         (DECL_IS_BUILTIN): Remove old-location variant.
3121         (annotate_with_file_line, annotate_with_locus): Likewise.
3122         (expr_locus, set_expr_locus): Update.
3123         * tree.c (build1_stat): Remove old location code.
3124         (last_annotated_node): Remove.
3125         (annotate_with_file_line): Remove old-location variant.
3126         (annotate_with_locus): Likewise.
3127         (expr_location): Remove old location code.
3128         (set_expr_location): Likewise.
3129         (expr_has_location): Likewise.
3130         (expr_locus): Likewise.
3131         (set_expr_locus): Likewise.
3132         (expr_filename): Don't use location_from_locus.
3133         (expr_lineno): Likewise.
3134         * rtl-error.c (location_for_asm): Remove old location code.
3135         * c-lex.c (cb_line_change): Remove old location code.
3136         (fe_file_change): Likewise.
3137         (cb_def_pragma): Likewise.
3138         (c_lex_with_flags): Likewise.
3139         * gengtype.c (do_typedef): Don't special-case location types.
3140         (define_location_structures): Remove.
3141         (main): Don't call define_location_structures.
3142         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3143         code.
3144
3145 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3146
3147         PR 26264
3148         * builtins.def (BUILT_IN_STDARG_START): Remove.
3149         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3150         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3151         * tree-inline.c (inline_forbidden_p_1): Likewise.
3152         
3153 2008-02-26  Richard Guenther  <rguenther@suse.de>
3154
3155         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3156         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3157         (lookup_decl_from_uid): Declare.
3158         (remove_decl_from_map): Likewise.
3159         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3160         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3161         (decl_for_uid_map): New global hashtable mapping DECL_UID
3162         to the decl tree.
3163         (init_ttree): Allocate it.
3164         (insert_decl_to_uid_decl_map): New helper function.
3165         (make_node_stat): Insert new decls into the map.
3166         (copy_node_stat): Likewise.
3167         (lookup_decl_from_uid): New function.
3168         (remove_decl_from_map): Likewise.
3169         (print_decl_for_uid_map_statistics): New helper.
3170         (dump_tree_statistics): Call it.
3171
3172         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3173         (referenced_var_iterator): Adjust.
3174         (FOR_EACH_REFERENCED_VAR): Adjust.
3175         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3176         (num_referenced_vars): Adjust.
3177         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3178         (first_referenced_var): Remove.
3179         (end_referenced_vars_p): Likewise.
3180         (next_referenced_var): Likewise.
3181         (referenced_var_iterator_set): New helper function.
3182         * tree-dfa.c (referenced_var_lookup): Adjust.
3183         (referenced_var_check_and_insert): Likewise.
3184         (remove_referenced_var): Likewise.
3185         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3186         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3187         (verify_call_clobbering): Likewise.
3188         (verify_memory_partitions): Likewise.
3189         (init_tree_ssa): Allocate bitmap instead of hashtable for
3190         referenced_vars.
3191         (delete_tree_ssa): Adjust.
3192         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3193         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3194         (compute_tag_properties): Likewise.
3195         (set_initial_properties): Likewise.
3196         (find_partition_for): Likewise.
3197         (update_reference_counts): Likewise.
3198         (dump_may_aliases_for): Likewise.
3199         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3200         (add_call_clobber_ops): Likewise.
3201         (add_call_read_ops): Likewise.
3202         (get_asm_expr_operands): Likewise.
3203         * tree-into-ssa.c (dump_decl_set): Likewise.
3204         (update_ssa): Likewise.
3205         * tree-sra.c (scan_function): Likewise.
3206         (decide_instantiations): Likewise.
3207         (scalarize_parms): Likewise.
3208         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3209         (dsa_named_for): Likewise.
3210         * tree-ssa-structalias.c (update_alias_info): Likewise.
3211         (merge_smts_into): Likewise.
3212
3213 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3214
3215         PR 34351
3216         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3217         * c-opts.c (c_common_handle_option): Wall enables
3218         Wvolatile-register-var.
3219         * common.opt: Move Wvolatile-register-var to...
3220         * c.opt: ...here.
3221         
3222 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3223
3224         * common.opt (Wlarger-than=): New.
3225         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3226         -Wlarger-than=.
3227         * opts.c (common_handle_option): Handle -Wlarger-than=.
3228         * optc-gen.awk: Likewise.
3229         * opth-gen.awk: Likewise.
3230         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3231         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3232         
3233 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3234
3235         * c-common.c (match_case_to_enum_1): Add appropriate
3236         OPT_W* parameter to warning.
3237         (c_do_switch_warnings): Likewise.
3238         * c-typeck.c (warning_init): Add one more parameter following
3239         'warning' function.
3240         (push_init_level): Update call to warning_init.
3241         (pop_init_level): Likewise.
3242         (add_pending_init): Likewise.
3243         (output_init_element: Likewise.
3244
3245 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3246
3247         PR 28322
3248         * toplev.c (toplev_main): If there are warnings or error, print
3249         errors for ignored options.
3250         * opts.c (ignored_options): New static variable.
3251         (postpone_unknown_option_error): New.
3252         (print_ignored_options): New.
3253         (handle_option): Postpone errors for unknown -Wno-* options.
3254         * opts.h (print_ignored_options): Declare.
3255         
3256 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3257
3258         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3259         to "ghost".
3260
3261 2008-02-25  Richard Guenther  <rguenther@suse.de>
3262
3263         Revert:
3264         2008-02-25  Richard Guenther  <rguenther@suse.de>
3265
3266         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3267         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3268         (lookup_decl_from_uid): Declare.
3269         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3270         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3271         (decl_for_uid_map): New global hashtable mapping DECL_UID
3272         to the decl tree.
3273         (init_ttree): Allocate it.
3274         (insert_decl_to_uid_decl_map): New helper function.
3275         (make_node_stat): Insert new decls into the map.
3276         (copy_node_stat): Likewise.
3277         (lookup_decl_from_uid): New function.
3278         (print_decl_for_uid_map_statistics): New helper.
3279         (dump_tree_statistics): Call it.
3280
3281         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3282         (referenced_var_iterator): Adjust.
3283         (FOR_EACH_REFERENCED_VAR): Adjust.
3284         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3285         (num_referenced_vars): Adjust.
3286         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3287         (first_referenced_var): Remove.
3288         (end_referenced_vars_p): Likewise.
3289         (next_referenced_var): Likewise.
3290         (referenced_var_iterator_set): New helper function.
3291         * tree-dfa.c (referenced_var_lookup): Adjust.
3292         (referenced_var_check_and_insert): Likewise.
3293         (remove_referenced_var): Likewise.
3294         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3295         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3296         (verify_call_clobbering): Likewise.
3297         (verify_memory_partitions): Likewise.
3298         (init_tree_ssa): Allocate bitmap instead of hashtable for
3299         referenced_vars.
3300         (delete_tree_ssa): Adjust.
3301         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3302         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3303         (compute_tag_properties): Likewise.
3304         (set_initial_properties): Likewise.
3305         (find_partition_for): Likewise.
3306         (update_reference_counts): Likewise.
3307         (dump_may_aliases_for): Likewise.
3308         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3309         (add_call_clobber_ops): Likewise.
3310         (add_call_read_ops): Likewise.
3311         (get_asm_expr_operands): Likewise.
3312         * tree-into-ssa.c (dump_decl_set): Likewise.
3313         (update_ssa): Likewise.
3314         * tree-sra.c (scan_function): Likewise.
3315         (decide_instantiations): Likewise.
3316         (scalarize_parms): Likewise.
3317         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3318         (dsa_named_for): Likewise.
3319         * tree-ssa-structalias.c (update_alias_info): Likewise.
3320         (merge_smts_into): Likewise.
3321
3322 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3323
3324         PR fortran/29549
3325         * doc/invoke.texi (-fcx-limited-range): Document new option.
3326         * toplev.c (process_options): Handle -fcx-fortran-rules.
3327         * common.opt: Add documentation for -fcx-fortran-rules.
3328
3329 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3330
3331         PR c/35162
3332         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3333         actual behaviour and C99.
3334         
3335 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3336
3337         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3338         (ASM_CPU_POWER6_SPEC): Likewise.
3339         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3340         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3341         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3342
3343 2008-02-25  Richard Guenther  <rguenther@suse.de>
3344
3345         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3346         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3347         (lookup_decl_from_uid): Declare.
3348         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3349         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3350         (decl_for_uid_map): New global hashtable mapping DECL_UID
3351         to the decl tree.
3352         (init_ttree): Allocate it.
3353         (insert_decl_to_uid_decl_map): New helper function.
3354         (make_node_stat): Insert new decls into the map.
3355         (copy_node_stat): Likewise.
3356         (lookup_decl_from_uid): New function.
3357         (print_decl_for_uid_map_statistics): New helper.
3358         (dump_tree_statistics): Call it.
3359
3360         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3361         (referenced_var_iterator): Adjust.
3362         (FOR_EACH_REFERENCED_VAR): Adjust.
3363         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3364         (num_referenced_vars): Adjust.
3365         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3366         (first_referenced_var): Remove.
3367         (end_referenced_vars_p): Likewise.
3368         (next_referenced_var): Likewise.
3369         (referenced_var_iterator_set): New helper function.
3370         * tree-dfa.c (referenced_var_lookup): Adjust.
3371         (referenced_var_check_and_insert): Likewise.
3372         (remove_referenced_var): Likewise.
3373         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3374         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3375         (verify_call_clobbering): Likewise.
3376         (verify_memory_partitions): Likewise.
3377         (init_tree_ssa): Allocate bitmap instead of hashtable for
3378         referenced_vars.
3379         (delete_tree_ssa): Adjust.
3380         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3381         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3382         (compute_tag_properties): Likewise.
3383         (set_initial_properties): Likewise.
3384         (find_partition_for): Likewise.
3385         (update_reference_counts): Likewise.
3386         (dump_may_aliases_for): Likewise.
3387         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3388         (add_call_clobber_ops): Likewise.
3389         (add_call_read_ops): Likewise.
3390         (get_asm_expr_operands): Likewise.
3391         * tree-into-ssa.c (dump_decl_set): Likewise.
3392         (update_ssa): Likewise.
3393         * tree-sra.c (scan_function): Likewise.
3394         (decide_instantiations): Likewise.
3395         (scalarize_parms): Likewise.
3396         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3397         (dsa_named_for): Likewise.
3398         * tree-ssa-structalias.c (update_alias_info): Likewise.
3399         (merge_smts_into): Likewise.
3400
3401 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3402
3403         PR target/35258
3404         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3405         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3406         * alias.h (nonoverlapping_memrefs_p): Likewise.
3407
3408 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3409
3410         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3411         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3412         __emultls_get_address, __emultls_register_common,
3413         __floatundi?f, and _Unwind_GetIPInfo.
3414         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3415         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3416         (gen_regparm_prefix): Likewise.
3417         (i386_nlm_encode_section_info): Sync with
3418         config/i386/winnt.c:i386_pe_encode_section_info().
3419         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3420         i386_nlm_mangle_decl_assembler_name): New.
3421         (netware_override_options): New.
3422         * config/i386/netware.h (netware_override_options): Declare.
3423         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3424         (i386_nlm_mangle_decl_assembler_name): Declare.
3425         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3426
3427 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3428
3429         PR other/32948
3430         * c-decl.c (grokdeclarator): Remove unused local variables
3431         `typedef_type' and `type_as_written'.
3432         * bb-reorder.c
3433         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3434         unused local variable `has_hot_blocks'.
3435         (fix_crossing_conditional_branches): Remove unused local variable
3436         `prev_bb'.
3437         
3438 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3439
3440         PR middle-end/19984
3441         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3442         using DEF_C99_BUILTIN.
3443         (BUILT_IN_NANF): Ditto.
3444         (BUILT_IN_NANL): Ditto.
3445
3446 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3447             Revital Eres  <eres@il.ibm.com>
3448
3449         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3450         regarding the order of two dependent insns in the same row.
3451
3452 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3453
3454         * stor-layout.c (layout_decl): Do not bump the alignment of a
3455         bit-field to more than byte alignment if it is packed.
3456
3457 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3458
3459         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
3460         e300c2 and e300c3.
3461
3462 2008-02-24  Diego Novillo  <dnovillo@google.com>
3463
3464         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
3465
3466         PR 33738
3467         * tree-vrp.c (vrp_evaluate_conditional): With
3468         -Wtype-limits, emit a warning when comparing against a
3469         constant outside the natural range of OP0's type.
3470         * c.opt (Wtype-limits): Move ...
3471         * common.opt (Wtype-limits): ... here.
3472
3473 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
3474
3475         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
3476         * config/rs6000/e300c2c3.md: New file.
3477         * config/rs6000/rs6000.c (processor_costs): Add new costs for
3478         e300c2 and e300c3.
3479         (rs6000_override_options): Add e300c2 and e300c3 cases to
3480         processor_target_table. Do not allow usage of Altivec or Spe
3481         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
3482         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
3483         * config/rs6000/rs6000.h (processor_type): Add
3484         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
3485         (ASM_CPU_SPEC): Add e300c2 and e300c3.
3486         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
3487         and ppce300c3. Include e300c2c3.md.
3488
3489 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
3490
3491         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
3492         instead of TARGET_STRICT_ALIGN.
3493
3494 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
3495
3496         * explow.c (memory_address): Assert that the generated address is
3497         valid.
3498
3499 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3500
3501         PR target/25477
3502         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
3503         * config/darwin-ppc-ldouble-patch.def: New file.
3504         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
3505         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
3506         SUBTARGET_INIT_BUILTINS if defined.
3507         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
3508         New functions.
3509
3510 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3511
3512         PR rtl-opt/33512
3513         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
3514         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
3515
3516 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3517
3518         PR pch/35027
3519         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
3520         file" warning condtional on -Winvalid-PCH.
3521
3522 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3523
3524         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
3525
3526 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
3527
3528         PR target/22076
3529         PR target/34256 
3530         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
3531         prevent reload from using MMX registers.
3532         (*mov<mode>_internal): Ditto.
3533         (*movv2sf_internal_rex64): Ditto.
3534         (*movv2sf_internal): Ditto.
3535
3536 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3537
3538         PR documentation/31569
3539         * doc/install.texi2html: Use makeinfo --no-number-sections.
3540
3541 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3542
3543         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3544         ensure that we can address an entire entity > 8 bytes.  Don't
3545         generate reg+reg addressing for such data.
3546
3547 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3548
3549         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3550         strings when optimizing for size, unless the target cares about
3551         alignment.
3552
3553 2008-02-22  Tom Tromey  <tromey@redhat.com>
3554
3555         * regclass.c (current_pass): Remove declaration.
3556
3557 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3558
3559         * config/avr/libgcc.S (__RAMPZ__): Define.
3560         (__do_copy_data): Add for devices with 128KB code memory.
3561
3562 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3563
3564         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3565         Use spe_abi.
3566         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3567
3568 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3569
3570         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3571         GENNONACR_REGS.
3572
3573 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3574
3575         PR c/19999
3576         * c-typeck.c (build_binary_op): Warn about floating point
3577         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3578
3579 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3580
3581         PR target/34526
3582         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3583         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3584         add vrsave.
3585         (rs6000_override_options): Set altivec_abi as default, not override,
3586         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3587         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3588         is used; use new member spe_abi.
3589         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3590         spe_abi and altivec_abi.
3591
3592 2008-02-22  Tomas Bily  <tbily@suse.cz>
3593
3594         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3595
3596 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3597
3598         PR bootstrap/35273
3599         * config.build (build_file_translate): Set to `CMD //c' only if
3600         it works.
3601         * Makefile.in (build_file_translate): Improve comment.
3602
3603 2008-02-21  Jan Hubicka  <jh@suse.cz>
3604
3605         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3606         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3607         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3608
3609 2008-02-21  Michael Matz  <matz@suse.de>
3610
3611         PR target/35264
3612         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3613
3614 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3615
3616         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3617         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3618         as insn constraint.
3619         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3620         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3621         SSE_VEC_FLOAT_MODE_P as insn constraint.
3622         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3623         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3624         sse4a_movntdf using MODEF mode iterator.
3625         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3626         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3627         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3628         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3629         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3630         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3631         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3632
3633 2008-02-21  Richard Guenther  <rguenther@suse.de>
3634
3635         * tree.def (PAREN_EXPR): New tree code.
3636         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3637         and PAREN_EXPR.
3638         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3639         * expr.c (expand_expr_real_1): Likewise.
3640         * tree-inline.c (estimate_num_insns_1): Likewise.
3641         * tree-complex.c (expand_complex_move): Likewise.
3642         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3643         as plain x.
3644
3645 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3646
3647         PR target/35225
3648         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3649
3650 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3651
3652         PR target/35190
3653         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3654
3655         * config/sh/sh.c (find_barrier): Don't go past
3656         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3657
3658 2008-02-20  DJ Delorie  <dj@redhat.com>
3659
3660         * config/h8300/h8300.md (insv): Force source operand to be a register.
3661
3662         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3663         as a jump, not as a plain insn.
3664         
3665 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3666
3667         * doc/invoke.texi (Warning Options): Add new option
3668         -Wframe-larger-than=.
3669         (-Wframe-larger-than): Document.
3670
3671         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3672         Add declarations for new option variables.
3673
3674         * final.c (final_start_function): Check the frame size
3675         before emission and issue a Wframe-larger-than warning.
3676
3677         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3678         Add definitions for new option variables.
3679         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3680
3681         * common.opt (Wframe-larger-than=): New option.
3682
3683 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3684
3685         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3686         (<sse>_div<mode>3): Ditto.
3687         (<sse>_vmdiv<mode>3): Ditto.
3688         (<sse>_vmsqrt<mode>2): Ditto.
3689         (*smax<mode>3): Ditto.
3690         (sse5_frcz<mode>2): Ditto.
3691         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3692         as insn constraint.
3693
3694 2008-02-20  Richard Guenther  <rguenther@suse.de>
3695
3696         PR middle-end/35265
3697         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3698         be happy with INTEGRAL_TYPE_P.
3699
3700 2008-02-20  Richard Guenther  <rguenther@suse.de>
3701
3702         * fold-const.c (split_tree): Associate floatig-point expressions
3703         if flag_associative_math is set.
3704
3705 2008-02-20  Richard Guenther  <rguenther@suse.de>
3706
3707         * tree.h (fold_real_zero_addition_p): Declare.
3708         * fold-const.c (fold_real_zero_addition_p): Export.
3709         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3710         floating-point operations with zero and one.
3711
3712 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3713
3714         * doc/install.texi: Correct references to CFLAGS, replacing them
3715         with BOOT_CFLAGS.  Document flags used during bootstrap for
3716         target libraries.
3717                                 
3718 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3719
3720         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3721         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3722         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3723         insn constraint.
3724         (smin<mode>3): Ditto from similar patterns.
3725         (smax<mode>3): Ditto.
3726         (*ieee_smin<mode>3): Ditto.
3727         (*ieee_smax<mode>3): Ditto.
3728         * config/i386/sse.md (sse): New mode attribute.
3729         (mov<mode>): Macroize expander from movv4sf and movv2df using
3730         SSEMODEF2P mode iterator.
3731         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3732         SSE_VEC_FLOAT_MODE_P as insn constraint.
3733         (storent<mode>): Ditto.
3734         (storent<mode>): Macroize expander from storentsf and storentdf using
3735         MODEF mode iterator.
3736         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3737         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3738         (abs<mode>2): Ditto from similar patterns.
3739         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3740         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3741         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3742         (<sse>_vmsqrt<mode>2): Ditto.
3743         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3744         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3745         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3746         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3747         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3748         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3749         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3750         insn constraint.
3751         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3752         iterator and SSE_FLOAT_MODE_P as insn constraint.
3753         (<sse>_ucomi): Ditto from similar patterns.
3754         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3755         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3756         SSE_VEC_FLOAT_MODE_P as insn constraint.
3757         (vcond<mode>): Ditto from similar patterns.
3758         (and<mode>3, *and<mode>3): Ditto.
3759         (<sse>_nand<mode>3): Ditto.
3760         (ior<mode>3, *ior<mode>3): Ditto.
3761         (xor<mode>3, *xor<mode>3): Ditto.
3762         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3763         iterator and SSE_FLOAT_MODE_P as insn constraint.
3764         (*nand<mode>3): Ditto from similar patterns.
3765         (*ior<mode>3): Ditto.
3766         (*xor<mode>3): Ditto.
3767
3768 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3769
3770         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3771         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3772         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3773
3774 2008-02-19  Jan Hubicka  <jh@suse.cz>
3775
3776         * predict.c (tree_bb_level_predictions): Remove variable next
3777         mistakely introduced by previous commit.
3778
3779 2008-02-19  Jan Hubicka  <jh@suse.cz>
3780
3781         * predict.c (predict_paths_leading_to): Rewrite.
3782         (predict_paths_for_bb): New.
3783         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3784
3785 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3786
3787         PR bootstrap/35218
3788         * Makefile.in (build_file_translate): New.
3789         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3790         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3791         * configure.ac (build_file_translate): Substitute it.
3792         * configure: Regenerate.
3793
3794 2008-02-19  Jan Hubicka  <jh@suse.cz>
3795
3796         PR rtl-optimization/34408
3797         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3798         invalid sharing.
3799
3800 2008-02-19  Jan Hubicka  <jh@suse.cz>
3801
3802         PR middle-end/28779
3803         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3804         call_expr.
3805
3806 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3807
3808         PR Ada/35186
3809         * config/i386/i386-modes.def: Revert the last DI alignment
3810         change until Ada people can look into it.
3811
3812 2008-02-19  Nick Clifton  <nickc@redhat.com>
3813
3814         * opts.c (print_specific_help): Fix typo in --help text.
3815
3816 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3817
3818         PR target/35239
3819         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3820         32-bit inline asm without asm alternatives for host GCC < 3.0.
3821
3822 2008-02-19  Richard Guenther  <rguenther@suse.de>
3823
3824         PR tree-optimization/34989
3825         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3826         Allow propagation to INDIRECT_REF if we can simplify only.
3827
3828 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3829
3830         * c-common.c (warn_for_collisions_1): Use appropriate option when
3831         warning.
3832
3833 2008-02-19  Nick Clifton  <nickc@redhat.com>
3834
3835         PR other/31349
3836         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3837         (handle_options): Fix indentation.
3838         (print_filtered_help): If no language-specific options were
3839         displayed tell the user how to list all the options supported by
3840         the language's front-end.
3841         (print_specific_help): Fix indentation and remove duplicate line.
3842         (common_handle_option): Handle the -v option.
3843         For --help enable the display of undocumented options if the -v
3844         switch has been included on the command line.
3845         For --help= check for overlaps in the arguments between the option
3846         classes and the language names and issue a warning when they
3847         cannot be disambiguated.
3848         * c.opt (v): Pass on to the common option handler.
3849
3850 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3851
3852         * modulo-sched.c (sms_schedule): Change dump message when
3853         create_ddg function fails.
3854         (try_scheduling_node_in_cycle): Rename row to cycle.
3855         (print_partial_schedule): Rename CYCLE to ROW.
3856
3857 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3858             Zdenek Dvorak  <ook@ucw.cz>
3859
3860         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3861
3862 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3863
3864         PR target/33555
3865         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3866         (*x86_movdicc_0_m1_se): Ditto.
3867
3868 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3869
3870         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3871         (CMPtype): Define as __gcc_CMPtype.
3872         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3873         (CMPtype): Define as __gcc_CMPtype.
3874
3875 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3876
3877         Support valgrind 3.3 for --enable-checking=valgrind.
3878         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3879         here.
3880         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3881         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3882         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3883         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3884         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3885         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3886         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3887         respectively.
3888         * ggc-zone.c: Similar.
3889         * ggc-page.c: Similar.
3890
3891 2008-02-19  Paul Brook  <paul@codesourcery.com>
3892
3893         PR target/35071
3894         * config/arm/ieee754-df.S: Fix do_it typo.
3895         * config/arm/ieee754-sf.S: Fix do_it typo.
3896
3897 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3898
3899         PR target/35189
3900         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3901         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3902         (OPTION_MASK_ISA_SSE_SET): Likewise.
3903         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3904         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3905         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3906         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3907         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3908         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3909         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3910         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3911         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3912         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3913         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3914         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3915         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3916         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3917         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3918         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3919         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3920         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3921         (OPTION_MASK_ISA_SSE4): Removed.
3922         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3923         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3924         (override_options): Don't turn on implied SSE/MMX bits in
3925         ix86_isa_flags.
3926
3927 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3928
3929         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3930         32bit host.
3931
3932 2008-02-18  Joey Ye  <joey.ye@intel.com>
3933
3934         PR middle-end/34921
3935         * tree-nested.c (insert_field_into_struct): Set type alignment
3936         to field alignment if the former is less than the latter.
3937
3938 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3939
3940         * BASE-VER: Set to 4.4.0.
3941
3942 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3943
3944         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3945         * doc/cfg.texi: Likewise.
3946         * doc/extend.texi: Likewise.
3947         * doc/gty.texi: Likewise.
3948         * doc/invoke.texi: Likewise.
3949         * doc/loop.texi: Likewise.
3950         * doc/md.texi: Likewise.
3951         * doc/passes.texi: Likewise.
3952         * doc/rtl.texi: Likewise.
3953         * doc/sourcebuild.texi: Likewise.
3954         * doc/tm.texi: Likewise.
3955         * doc/tree-ssa.texi: Likewise.
3956
3957 2008-02-17  Richard Guenther  <rguenther@suse.de>
3958
3959         PR middle-end/35227
3960         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3961         without default definition.
3962
3963 2008-02-17  Richard Guenther  <rguenther@suse.de>
3964
3965         PR tree-optimization/35231
3966         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3967         if A | B != 1.
3968
3969 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3970
3971         Revert:
3972         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3973         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3974         libgcc_cmp_return mode.
3975
3976 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3977
3978         PR c/28368
3979         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3980
3981 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3982
3983         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3984         multilibs.
3985
3986 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3987
3988         * doc/c-tree.texi: Use `@.' where appropriate.
3989         * doc/extend.texi: Likewise.
3990         * doc/install.texi: Likewise.
3991         * doc/invoke.texi: Likewise.
3992         * doc/loop.texi: Likewise.
3993         * doc/makefile.texi: Likewise.
3994         * doc/md.texi: Likewise.
3995         * doc/passes.texi: Likewise.
3996         * doc/standards.texi: Likewise.
3997         * doc/tm.texi: Likewise.
3998
3999 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4000
4001         PR middle-end/35196
4002         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
4003         in entry_bb.
4004         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
4005         rather than in entry_bb.
4006
4007 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4008
4009         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
4010         libgcc_cmp_return mode.
4011
4012 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
4013
4014         PR middle-end/35130
4015         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
4016         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
4017
4018 2008-02-15  Richard Guenther  <rguenther@suse.de>
4019             Zdenek Dvorak  <ook@ucw.cz>
4020
4021         PR tree-optimization/35164
4022         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
4023         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
4024         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
4025         Only propagate addresses which do not have abnormal SSA_NAMEs
4026         in their operands.
4027
4028 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
4029
4030         PR target/35088
4031         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
4032
4033 2008-02-15  Jan Hubicka  <jh@suse.cz>
4034
4035         PR middle-end/35149
4036         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
4037
4038 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4039
4040         PR middle-end/34621
4041         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
4042         when calculating alignment_pad.
4043
4044 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
4045
4046         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
4047         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
4048         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
4049         and STACK_BOUNDARY define.
4050
4051 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
4052
4053         PR preprocessor/35061
4054         * c-pragma.c (handle_pragma_pop_macro): Check that
4055         pushed_macro_table has been allocated.
4056
4057 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
4058
4059         PR middle-end/35136
4060         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
4061         (force_gimple_operand): Likewise.
4062         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
4063         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
4064         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
4065         (find_interesting_uses_address): Check addressability and alignment
4066         of the base expression only after substituting bases of IVs into it.
4067
4068 2008-02-14  Michael Matz  <matz@suse.de>
4069
4070         PR target/34930
4071         * function.c (instantiate_virtual_regs_in_insn): Reload address
4072         before falling back to reloading the whole operand.
4073
4074 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4075
4076         * config/s390/s390.c (s390_mainpool_start): Emit the pool
4077         before the first section switch note.
4078
4079 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4080
4081         * doc/bugreport.texi: Update copyright years.
4082         * doc/c-tree.texi: Likewise.
4083         * doc/cfg.texi: Likewise.
4084         * doc/cpp.texi: Likewise.
4085         * doc/cppinternals.texi: Likewise.
4086         * doc/fragments.texi: Likewise.
4087         * doc/frontends.texi: Likewise.
4088         * doc/gcc.texi: Likewise.
4089         * doc/gty.texi: Likewise.
4090         * doc/hostconfig.texi: Likewise.
4091         * doc/implement-c.texi: Likewise.
4092         * doc/libgcc.texi: Likewise.
4093         * doc/loop.texi: Likewise.
4094         * doc/makefile.texi: Likewise.
4095         * doc/options.texi: Likewise.
4096         * doc/passes.texi: Likewise.
4097         * doc/rtl.texi: Likewise.
4098         * doc/sourcebuild.texi: Likewise.
4099         * doc/standards.texi: Likewise.
4100         * doc/tree-ssa.texi: Likewise.
4101         * doc/trouble.texi: Likewise.
4102
4103         * doc/extend.texi: Use @: or add comma where appropriate.
4104         * doc/invoke.texi: Likewise.
4105         * doc/tm.texi: Likewise.
4106
4107 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
4108
4109         PR target/34393
4110         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
4111         to a reg.
4112
4113 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
4114
4115         * doc/md.texi (clz, ctz): Add reference.
4116         * doc/rtl.texi (clz, ctz): Likewise.
4117
4118 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4119
4120         PR other/35148
4121         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
4122         srcdir.
4123
4124 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
4125
4126         * config/s390/s390.c (struct constant_pool): New field
4127         emit_pool_after added.
4128         (s390_mainpool_start): Set the emit_pool_after flag according
4129         to the section switch notes.
4130         (s390_mainpool_finish): Consider emit_pool_after when emitting
4131         the literal pool at the end of the function.
4132         (s390_chunkify_start): Force literal pool splits at section
4133         switch notes.
4134
4135 2008-02-13  Michael Matz  <matz@suse.de>
4136
4137         PR debug/35065
4138         * var-tracking.c (clobber_variable_part): Correctly traverse the
4139         list.
4140
4141 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4142
4143         PR 29673
4144         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
4145         Add -fdump-ipa-inline.
4146         * tree-dump.c (dump_files): Remove tree-inlined dump.
4147         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
4148         
4149 2008-02-12  Richard Guenther  <rguenther@suse.de>
4150
4151         PR tree-optimization/35171
4152         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
4153         default defs.
4154
4155 2008-02-12  Richard Guenther  <rguenther@suse.de>
4156
4157         PR middle-end/35163
4158         * fold-const.c (fold_widened_comparison): Use get_unwidened in
4159         value-preserving mode.  Disallow final truncation.
4160
4161 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
4162
4163         PR middle-end/35136
4164         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
4165         code from here to...
4166         (force_gimple_operand): ...here.
4167
4168 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
4169
4170         PR c++/35144
4171         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
4172         non-compatible pointers.
4173         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
4174         different FIELD_DECLs, try harder by comparing field offsets, sizes
4175         and types.
4176
4177         PR inline-asm/35160
4178         * function.c (match_asm_constraints_1): Don't replace the same input
4179         multiple times.
4180
4181 2008-02-12  Anatoly Sokolov <aesok@post.ru>
4182
4183         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
4184         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
4185         (expand_epilogue): Restore RAMPZ register.
4186         * config/avr/avr.md (RAMPZ_ADDR): New constant.
4187
4188 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
4189
4190         * config/i386/cygwin.asm: (__alloca): Correct calling
4191         convention and alignment.
4192         (__chkstk): Force 8 byte stack alignment.
4193
4194 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
4195             Richard Guenther  <rguenther@suse.de>
4196
4197         PR tree-optimization/33992
4198         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
4199         the zero we compare against.
4200
4201 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
4202
4203         PR libfortran/35063
4204         * gthr-win32.h (__gthread_mutex_destroy_function): New function
4205         to CloseHandle after unlocking to prevent accumulation of handle
4206         count.
4207
4208 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4209
4210         PR middle_end/34150
4211         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
4212         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
4213         and update LABEL_NUSES during and after reload.
4214
4215 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
4216
4217         PR middle-end/34627
4218         * combine.c (simplify_if_then_else): Make sure the comparison is
4219         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
4220
4221 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
4222
4223         PR bootstrap/35051
4224         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
4225         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
4226         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
4227         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
4228         * tree.h (get_type_static_bounds): Likewise.
4229
4230 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4231
4232         * doc/invoke.texi (Option Summary, C++ Dialect Options)
4233         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4234         Make -Wfoo language annotations match what the compiler outputs.
4235
4236 2008-02-08  Sa Liu  <saliu@de.ibm.com>
4237
4238         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
4239         intrinsics spu_convts, spu_convtu, spu_convtf.
4240         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
4241
4242 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
4243
4244         * doc/extend.texi (Function Attributes) <noinline>: Mention
4245         asm ("") as method to keep calls.
4246
4247 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4248
4249         PR other/32754
4250         * doc/options.texi (Options): Replace references to opts.sh with
4251         optc-gen.awk.
4252         * opts-common.c: Likewise.
4253         * optc-gen.awk: Likewise.
4254         
4255 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
4256
4257         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
4258
4259 2008-02-07  Richard Henderson  <rth@redhat.com>
4260
4261         PR rtl-opt/33410
4262         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
4263         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
4264         funny mode.
4265
4266 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
4267
4268         PR tree-optimization/35085
4269         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
4270         for operand entry oe2 in addition to operand entry oe3 in order to
4271         expose more opportunities for vectorizer sum reduction.
4272
4273 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4274
4275         PR other/35107
4276         * Makefile.in (LIBS): Remove $(GMPLIBS).
4277         (cc1-dummy, cc1): Add $(GMPLIBS).
4278
4279 2008-02-06  Jan Hubicka  <jh@suse.cz>
4280
4281         PR target/23322
4282         * i386.md (moddf_integer): Do not produce partial memory stalls for
4283         targets where it hurts.
4284
4285 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
4286
4287         PR target/35083
4288         * optabs.c (expand_float): Do not check for decimal modes when
4289         expanding unsigned integer through signed conversion.
4290
4291 2008-02-06  Nick Clifton  <nickc@redhat.com>
4292
4293         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
4294         inside the clobber with a match_operand and duplicated operand
4295         number in the constraint.
4296         (ineqbranchsi): Delete redundant comment.
4297
4298 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
4299
4300         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
4301         builtin_define ("__USE_INIT_FINI__").
4302         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
4303         -msx multilibs.
4304         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
4305
4306 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4307
4308         PR documentation/30330
4309         * doc/invoke.texi (C++ Dialect Options)
4310         (Objective-C and Objective-C++ Dialect Options, Warning Options):
4311         For each warning option -Wfoo that allows -Wno-foo, ensure both
4312         -Wfoo and -Wno-foo are listed in the option index.  Fix index
4313         entry of -Wswitch-default, index -Wnormalized= including the
4314         `=', and -Wlarger-than-@var{len} including @var{len}.
4315
4316 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4317
4318         * config/i386/i386.md (floatunssisf2): Use
4319         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
4320         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
4321         Macroize expander using MODEF mode iterator.
4322
4323 2008-02-05  Diego Novillo  <dnovillo@google.com>
4324
4325         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
4326
4327         PR 33738
4328         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
4329
4330 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4331
4332         PR other/35070
4333         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
4334
4335 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
4336
4337         PR target/35084
4338         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
4339         to indicate if a message should be generated.
4340         (init_cumulative_args): Updated.
4341         (function_value_32): Likewise.
4342
4343 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
4344
4345         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
4346
4347 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
4348
4349         PR target/35083
4350         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
4351         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
4352
4353 2008-02-04  Diego Novillo  <dnovillo@google.com>
4354
4355         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
4356
4357         PR 33738
4358         * tree-vrp.c (vrp_evaluate_conditional): With
4359         -Wtype-limits, emit a warning when comparing against a
4360         constant outside the natural range of OP0's type.
4361
4362 2008-02-04  Richard Guenther  <rguenther@suse.de>
4363
4364         PR middle-end/33631
4365         * expr.c (count_type_elements): Give for unions instead of
4366         guessing.
4367
4368 2008-02-04  Richard Guenther  <rguenther@suse.de>
4369
4370         PR middle-end/35043
4371         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
4372         to TYPE_DOMAINs base type instead of using bitsizetype here.
4373
4374 2008-02-03  Jason Merrill  <jason@redhat.com>
4375
4376         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
4377
4378 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4379
4380         PR other/29972
4381         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
4382         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
4383         (RS/6000 and PowerPC Options): Fix typos and markup.
4384         * doc/passes.texi (Tree-SSA passes): Likewise.
4385
4386 2008-02-02  Michael Matz  <matz@suse.de>
4387
4388         PR target/35045
4389         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
4390         from record_last_reg_set_info.
4391         (record_last_reg_set_info): Take an RTX argument, iterate over all
4392         constituent hardregs.
4393         (record_last_set_info, record_opr_changes): Change calls to
4394         new signature or to record_last_reg_set_info_regno.
4395
4396 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
4397
4398         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
4399
4400 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
4401
4402         PR rtl-optimization/34773
4403         * reg-notes.def (EQUAL): Mention significance of combination of
4404         REG_EQUAL and REG_RETVAL.
4405         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
4406         insn that has a REG_RETVAL.
4407
4408 2008-02-01  Roger Sayle  <roger@eyesopen.com>
4409
4410         PR bootstrap/33781
4411         * configure.ac (--enable-fixed-point): Disable unless explicitly
4412         requested on IRIX.
4413         * configure: Regenerate.
4414
4415 2008-02-01  Richard Guenther  <rguenther@suse.de>
4416
4417         PR other/35042
4418         * invoke.texi (-finline-limit): Remove no longer true parts
4419         of the documentation.  Note that there is no default value.
4420
4421 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
4422             Mark Mitchell  <mark@codesourcery.com>
4423             Ben Elliston  <bje@au.ibm.com>
4424
4425         PR c/29326
4426         * doc/extend.texi (Other Builtins): Document.
4427
4428 2008-01-31  Tom Browder <tom.browder@gmail.com>
4429
4430         * doc/c-tree.texi (Types): Fix grammar.
4431         (Expression trees): Ditto.
4432         * doc/passes.texi (Tree-SSA passes): Ditto.
4433         
4434         * doc/configterms.texi (Configure Terms): Fix typo.
4435         * doc/cpp.texi (Common Predefined Macros): Ditto.
4436         * doc/md.texi (Machine Constraints): Ditto.
4437         
4438         * doc/makefile.texi (Makefile): Add comma.
4439
4440 2008-01-31  Tom Browder  <tom.browder@gmail.com>
4441             Gerald Pfeifer  <gerald@pfeifer.com>
4442         
4443         * doc/sourcebuild.texi (Front End): Remove references to CVS
4444         and CVSROOT/modules.
4445         (Texinfo Manuals): Replace reference to CVS by one to SVN.
4446         (Back End): Remove reference to CVS.
4447
4448 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4449
4450         PR target/34900
4451         * config/mips/mips.c (gen_load_const_gp): New function, taking a
4452         comment from...
4453         (mips16_gp_pseudo_reg): ...here.
4454         * config/mips/mips.md (load_const_gp): Replace with...
4455         (load_const_gp_<mode>): ...this :P-based insn.
4456
4457 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4458
4459         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
4460         options. Minor fixes.
4461         (-std): Move reference to standards closer to where language
4462         standards are first mentioned.
4463         
4464 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
4465
4466         PR rtl-optimization/34995
4467         * reload.c (alternative_allows_const_pool_ref): Take an rtx
4468         parameter and return a bool.  If the rtx parameter is nonnull,
4469         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
4470         (find_reloads): Update call accordingly.  Pass the new operand
4471         if it needed no address reloads, otherwise pass null.
4472
4473 2008-01-30  Richard Henderson  <rth@redhat.com>
4474
4475         PR c/34993
4476         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
4477         for unbounded arrays.
4478
4479 2008-01-30  Silvius Rus  <rus@google.com>
4480
4481         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
4482
4483 2008-01-30  Jan Hubicka  <jh@suse.cz>
4484
4485         PR target/34982
4486         * i386.c (init_cumulative_args): Use real function declaration when
4487         calling locally.
4488
4489 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
4490
4491         PR rtl-optimization/34998
4492         * global.c (build_insn_chain): Treat non-subreg_lowpart
4493         SUBREGs of pseudos as clobbering all the words covered by the
4494         SUBREG, not just all the bytes.
4495         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
4496         original df_ref rather than an extract parameter.
4497         (global_conflicts): Update call accordingly.
4498
4499 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
4500
4501         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
4502         the overflow check to make it easier to read.
4503         (__fixtfdi): Change the type of the ll member in union
4504         long_double to UDItype_x.
4505
4506 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
4507
4508         PR middle-end/34969
4509         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
4510         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
4511         * tree-inline.c (fold_marked_statements): Call
4512         cgraph_update_edges_for_call_stmt if folding a call statement.
4513         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
4514         debug_generic_stmt calls, reset it back afterwards.
4515
4516         PR c/35017
4517         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
4518         static decls.
4519         * c-typeck.c (build_external_ref): Don't pedwarn about
4520         static vars in current function's scope.
4521
4522 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
4523
4524         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
4525
4526 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
4527
4528         PR c/35002
4529         * ipa-struct-reorg.c: Fix spelling.
4530         * params.def: Ditto.
4531
4532 2008-01-29  Richard Guenther  <rguenther@suse.de>
4533
4534         PR middle-end/35006
4535         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
4536         field.
4537         * tree-inline.c (remap_type): Increment remapping_type_depth
4538         around remapping types.
4539         (copy_body_r): Only add referenced variables if they are referenced
4540         from code, not types.
4541
4542 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
4543
4544         PR c++/34055
4545         PR c++/34103
4546         PR c++/34219
4547         PR c++/34606
4548         PR c++/34753
4549         PR c++/34754
4550         PR c++/34755
4551         PR c++/34919
4552         PR c++/34961
4553         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
4554         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
4555
4556 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
4557
4558         PR target/34412
4559         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
4560         pointer for tiny stack.
4561
4562 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4563
4564         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
4565
4566 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
4567
4568         * config/vx-common.h: Fix typo in comment.
4569
4570 2008-01-28  Ian Lance Taylor  <iant@google.com>
4571
4572         PR c++/34862
4573         PR c++/33407
4574         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
4575         coalesce pointers if they have different DECL_NO_TBAA_P values.
4576         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
4577         between variables with different DECL_NO_TBAA_P values.
4578
4579 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
4580
4581         PR 31535
4582         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
4583         are not legitimate small data references on SPE targets.
4584
4585 2008-01-28  David Daney  <ddaney@avtrex.com>
4586
4587         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
4588
4589 2008-01-28  David Daney  <ddaney@avtrex.com>
4590
4591         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
4592
4593 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
4594
4595         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
4596         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
4597         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
4598         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
4599         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
4600         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
4601         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
4602         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
4603
4604 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4605
4606         * basic-block.h (condjump_equiv_p): Fix comment.
4607
4608 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4609
4610         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4611         print_generic_stmt_indented): Fix comment.
4612
4613 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4614
4615         * configure.ac (__stack_chk_fail): Add detecion for availability
4616         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4617         * configure: Regenerate.
4618
4619 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4620
4621         PR middle-end/34688
4622         * final.c (output_addr_const): Handle TRUNCATE.
4623
4624 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4625
4626         PR target/34711
4627         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4628         (zero_cost, infinite_cost): New constants.
4629         (struct cost_pair): Change type of cost to comp_cost.
4630         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4631         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4632         New functions.
4633         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4634         split_address_cost, ptr_difference_cost, difference_cost,
4635         get_computation_cost_at, get_computation_cost,
4636         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4637         determine_use_iv_cost_condition, determine_use_iv_costs,
4638         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4639         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4640         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4641         Change type of cost to comp_cost.
4642         (determine_iv_cost): Increase cost of non-original ivs, instead
4643         of decreasing the cost of original ones.
4644         (get_address_cost): Indicate the complexity of the addressing mode 
4645         in comp_cost.
4646         (try_add_cand_for): Prefer using ivs not specific to some object.
4647         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4648
4649 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4650             Janis Johnson  <janis187@us.ibm.com>
4651
4652         PR target/34814
4653         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4654         (TARGET_INSTANTIATE_DECLS): Likewise.
4655         * target.h (expand_to_rtl_hook): New target hook.
4656         (instantiate_decls): Likewise.
4657         * function.c (instantiate_decl): Make non-static.  Rename to...
4658         (instantiate_decl_rtl): ... this.
4659         (instantiate_expr): Use instantiate_decl_rtl.
4660         (instantiate_decls_1): Likewise.
4661         (instantiate_decls): Likewise.
4662         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4663         * function.h (instantiate_decl_rtl): Add prototype.
4664         * cfgexpand.c (target.h): New include.
4665         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4666         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4667         (TARGET_INSTANTIATE_DECLS): Likewise.
4668         (TARGET_INITIALIZER): New target hooks added.
4669         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4670         New prototype.
4671         * config/rs6000/rs6000.c (tree-flow.h): New include.
4672         (machine_function): Add sdmode_stack_slot field.
4673         (rs6000_alloc_sdmode_stack_slot): New function.
4674         (rs6000_instantiate_decls): Likewise.
4675         (rs6000_secondary_memory_needed_rtx): Likewise.
4676         (rs6000_check_sdmode): Likewise.
4677         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4678         (TARGET_INSTANTIATE_DECLS): Likewise.
4679         (rs6000_hard_regno_mode_ok): Allow SDmode.
4680         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4681         (rs6000_emit_move): Handle SDmode.
4682         (function_arg_advance): Likewise.
4683         (function_arg): Likewise.
4684         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4685         SDmode var args for 32-bit compiles.
4686         (rs6000_secondary_reload_class): Handle SDmode.
4687         (rs6000_output_function_epilogue): Likewise.
4688         (rs6000_function_value): Simplify if statement.
4689         (rs6000_libcall_value): Likewise.
4690         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4691         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4692         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4693         (movsd_hardfloat): New define_insn.
4694         (movsd_softfloat): Likewise.
4695         (movsd_store): Likewise.
4696         (movsd_load): Likewise.
4697         (extendsddd2): Likewise.
4698         (extendsdtd2): Likewise.
4699         (truncddsd2): Likewise.
4700         (movdd_hardfloat64): Fixup comment.
4701         (UNSPEC_MOVSD_LOAD): New constant.
4702         (UNSPEC_MOVSD_STORE): Likewise.
4703
4704 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4705
4706         PR c++/34965
4707         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4708         TRUTH_XOR_EXPR.
4709         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4710         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4711         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4712         and TRUTH_XOR_EXPR.
4713
4714 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4715
4716         PR target/34794
4717         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4718         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4719         __LONGDOUBLE128 too.
4720         * config/rs6000/aix61.h: New file.
4721
4722 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4723
4724         PR rtl-optimization/34959
4725         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4726         popcount and parity rtxes the same mode as their operand.
4727         Truncate or extend the result to the return value's mode
4728         if necessary.
4729
4730 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4731
4732         PR target/34981
4733         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4734         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4735         to GOT_VERSION_REGNUM.
4736         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4737         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4738         * config/mips/mips.c (mips_emit_call_insn): New function.
4739         (mips_call_tls_get_addr): Call mips_expand_call directly.
4740         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4741         emit_call_insn.
4742         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4743         (mips_expand_call): Update the call to mips16_build_call_stub
4744         accordingly and a remove redundant condition.  Assert that MIPS16
4745         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4746         the call insn.
4747         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4748         TARGET_USE_GOT.
4749         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4750         (mips_avoid_hazard): Remove hazard_set handling.
4751         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4752         (UNSPEC_RESTORE_GP): ...this.
4753         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4754         (FAKE_CALL_REGNO): Rename to...
4755         (GOT_VERSION_REGNUM): ...this.
4756         (type): Add "ghost" value.  Add an associated insn reservation.
4757         (hazard_set): Remove.
4758         (exception_receiver): Rename to...
4759         (restore_gp): ...this and update the unspec identifier accordingly.
4760         (exception_receiver, nonlocal_got_receiver): New expanders.
4761         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4762         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4763         (set_got_version, update_got_version): New patterns.
4764
4765 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4766
4767         PR target/34970
4768         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4769
4770 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4771
4772         PR other/31955
4773         * doc/install.texi2html: Generate gcc-vers.texi.
4774
4775 2008-01-25  DJ Delorie  <dj@redhat.com>
4776
4777         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4778
4779 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4780
4781         * config/c4x: Remove directory.
4782         * config.gcc (crx-*, mt-*): Mark obsolete.
4783         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4784         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4785         sh-*-rtemscoff*): Remove cases.
4786         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4787         * real.c (encode_c4x_single, decode_c4x_single,
4788         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4789         c4x_extended_format): Remove.
4790         * real.h (c4x_single_format, c4x_extended_format): Remove.
4791         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4792         on C4x.
4793         (Pragmas): Remove comment about c4x pragmas.
4794         * doc/install.texi (c4x): Remove target-specific instructions.
4795         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4796         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4797         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4798         refer to C4x source files as examples.
4799         (C4X_FLOAT_FORMAT): Remove documentation.
4800
4801 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4802
4803         * config/bfin/bfin.c (override_options): Reorder tests so that
4804         flag_pic gets enabled for -msep-data.
4805
4806 2008-01-25  Richard Guenther  <rguenther@suse.de>
4807
4808         PR middle-end/32244
4809         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4810         to its bitfield precision if required.
4811
4812 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4813
4814         PR middle-end/33880
4815         * tree-nested.c (walk_omp_for): New function.
4816         (convert_nonlocal_reference, convert_local_reference): Call
4817         walk_omp_for on OMP_FOR.
4818         (convert_call_expr): Call walk_body on OMP_FOR's
4819         OMP_FOR_PRE_INIT_BODY.
4820
4821 2008-01-25  Richard Guenther  <rguenther@suse.de>
4822
4823         PR tree-optimization/34966
4824         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4825         default defs and PHI_NODEs we have to insert after the
4826         defining statement.
4827
4828 2008-01-24  Nick Clifton  <nickc@redhat.com>
4829
4830         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4831         Provide a default definition.
4832         (LIBGCC2_UNITS_PER_WORD): Likewise.
4833
4834         * config/stormy16/stormy16.c: Include df.h for the prototype
4835         for df_regs_ever_live_p.
4836         (xstormy16_expand_builtin_va_start): Convert the stack offset
4837         into a component_ref and then use POINTER_PLUS_EXPR to add it
4838         to the incoming_virtual_args_rtx.
4839         (xstormy16_gimplify_va_arg_expr): Rename to
4840         xstormy16_gimplify_va_arg_expr.
4841         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4842         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4843         xstormy16_gimplify_va_arg_expr.
4844         Fix up some formatting issues.
4845
4846         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4847         Move to predicates.md.
4848         (xs_hi_general_operand): Likewise.
4849         (xs_hi_nonmemory_operand): Likewise.
4850         * config/stormy16/predicates.md:
4851         (xstormy16_carry_plus_operand): New predicate.
4852         (xs_hi_general_operand): New predicate.
4853         (xs_hi_nonmemory_operand): New predicate.
4854         * config/stormy16/stormy16-protos.h:
4855         (xstormy16_carry_plus_operand): Delete prototype.
4856         (xs_hi_general_operand): Likewise.
4857         (xs_hi_nonmemory_operand): Likewise.
4858
4859         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4860         modifiers as they are no longer needed and they can trigger
4861         reload spill failures.
4862
4863         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4864         with a match_operand in order to help reload.
4865
4866         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4867         constraint with 'e' for the 8th alternative as this version of
4868         the mov.w instruction only accepts the lower 8 registers.
4869
4870 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4871
4872         PR target/34856
4873         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4874         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4875         vector elements.
4876
4877 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4878
4879         PR middle-end/33333
4880         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4881
4882 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4883
4884         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4885         New functions.
4886         (remove_structure): Update allocations list before removing structure.
4887         
4888 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4889
4890         * ipa-struct-reorg.c (is_safe_cond_expr, 
4891         create_new_stmts_for_cond_expr): Use integer_zerop function,
4892         that recognize not only zero-pointer, but zero-integer too.
4893
4894 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4895
4896         PR other/22232
4897         * fixproto: Escape "." in sed expression that strips leading "./".
4898
4899 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4900
4901         PR driver/34904
4902         * gcc.c (SWITCH_OK): Removed.
4903         (SWITCH_LIVE): Changed to bit.
4904         (SWITCH_FALSE): Likewise.
4905         (SWITCH_IGNORE): Likewise.
4906         (switchstr): Change live_cond to unsigned int.
4907         (process_command): Replace SWITCH_OK with 0.
4908         (do_self_spec): Likewise.
4909         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4910         (give_switch): Likewise.
4911         (used_arg): Likewise.
4912         (do_spec_1): Set the SWITCH_IGNORE bit.
4913         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4914         bits.  Set the SWITCH_LIVE bit.
4915
4916 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4917
4918         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4919
4920 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4921
4922         PR tree-optimization/34472
4923         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4924         parameter to a "bool *" and set *DATA to false if there is
4925         an unsafe access.  Do not delete the structure here.
4926         (check_cond_exprs): Delete it here instead.
4927         (check_cond_exprs, exclude_cold_structs): Do not increase
4928         I when removing a structure.
4929
4930 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4931
4932         PR target/34856
4933         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4934         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4935
4936 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4937
4938         PR middle-end/34934
4939         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4940         a fixed vector for stack.
4941
4942 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4943
4944         PR c++/25701
4945         * doc/gcc.texi (Software development): Add a direntry for g++.
4946         
4947 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4948
4949         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4950         stale and straggling -fforce-addr comments above.
4951
4952         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4953         define.
4954         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4955         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4956
4957 2008-01-23  Michael Matz  <matz@suse.de>
4958
4959         PR debug/34895
4960         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4961         gen_type_die.
4962
4963 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4964
4965         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4966         malloc result type.
4967
4968 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4969
4970         * config/avr/avr.c (avr_current_arch): New variable.
4971         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4972         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4973         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4974         (avr_override_options): Init 'avr_current_arch'. 
4975         (base_arch_s): Move from here...
4976         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4977         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4978         'mega' to 'have_jmp_call'.
4979         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4980         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4981         macros.
4982         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4983         architectures.
4984         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4985         MULTILIB_MATCHES): (Ditto.).
4986
4987 2008-01-23  Richard Guenther  <rguenther@suse.de>
4988
4989         PR middle-end/31529
4990         * cgraphunit.c (cgraph_reset_node): Always mark the node
4991         not reachable if it is not queued already.
4992
4993 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4994
4995         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4996         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4997         (cputype_selected): New static variable.
4998         (bfin_handle_option): Set it if -mcpu is used.
4999         (override_option): Select default set of workarounds if no cpu type
5000         selected on the command line.
5001         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
5002
5003         From  Michael Frysinger  <michael.frysinger@analog.com>
5004         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
5005         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
5006
5007         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
5008         for bf547, bf523, bf524, and bf526.
5009         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
5010         bf526.
5011         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5012         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
5013         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
5014         __ADSPBF547__ and __ADSPBF54x__ for bf547.
5015         * doc/invoke.texi (Blackfin Options): Document that
5016         -mcpu now accept bf547, bf523, bf524, and bf526.
5017
5018 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
5019
5020         PR rtl-optimization/34628
5021         * combine.c (try_combine): Stop and undo after the first combination
5022         if an autoincrement side-effect on the first insn has effectively
5023         been lost.
5024
5025 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
5026
5027         PR target/34529
5028         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
5029         Offset addresses are not valid for Altivec or paired float modes.
5030
5031 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
5032
5033         PR c++/34607
5034         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5035         if DECL_INITIAL (decl) is error_mark_node.
5036
5037         PR c++/34914
5038         * c-common.c (handle_vector_size_attribute): Only allow
5039         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
5040         the same way as pointer, array etc. types.
5041         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
5042
5043         PR c++/34917
5044         * tree.c (build_type_attribute_qual_variant): Call
5045         build_qualified_type if attributes are equal, but quals are not.
5046
5047 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5048
5049         PR 32102
5050         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
5051         * flags.h (warn_strict_aliasing): Remove.
5052         (warn_strict_overflow): Remove.
5053         * opts.c (warn_strict_aliasing): Remove.
5054         (warn_strict_overflow): Remove.
5055         * c-opts.c (c_common_handle_option): -Wall only sets
5056         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
5057         (c_common_post_options): Give default values to -Wstrict-aliasing
5058         and -Wstrict-overflow if they are uninitialized.
5059         * common.opt (Wstrict-aliasing): Specify Var and Init.
5060         (Wstrict-overflow): Likewise.
5061
5062 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
5063
5064         PR rtl-optimization/26854
5065         PR rtl-optimization/34400
5066         PR rtl-optimization/34884
5067         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
5068         DF_RD->gen.
5069         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
5070         (df_rd_bb_info.expanded_lr_out): Deleted
5071         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
5072         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
5073         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5074         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5075         Removed code to allocate, initialize or free expanded_lr_out.
5076         (df_rd_bb_local_compute_process_def): Restructured to make more
5077         understandable.
5078         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
5079         sets if the sets are being trimmed.
5080
5081 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
5082
5083         PR bootstrap/32287
5084         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5085         (as_vers): Likewise.
5086         * configure: Regenerated.
5087
5088 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5089
5090         PR middle-end/33092
5091         * tree-pass.h (pass_build_alias): New pass.
5092         * tree-ssa-alias.c (gate_build_alias): New.
5093         (pass_build_alias): New.
5094         * passes.c (init_optimization_passes): Add pass_build_alias after
5095         pass_create_structure_vars.
5096
5097 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
5098
5099         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
5100         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
5101         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
5102         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
5103         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
5104         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
5105         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
5106         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
5107         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
5108         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
5109         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
5110         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
5111         * config/s390/s390.md (FP_ALL): New mode iterator.
5112         (_d): New mode attribute.
5113         ("*signbit<mode>2>"): Changed mode of first operand.
5114         ("isinf<mode>2"): Changed mode of first operand.
5115         ("*TDC_insn"): Adaptation for DFP modes.
5116
5117 2008-01-22  Ben Elliston  <bje@au.ibm.com>
5118
5119         * tree.c (check_qualified_type): Improve function description.
5120
5121 2008-01-21  Jason Merrill  <jason@redhat.com>
5122
5123         PR c++/34196
5124         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
5125         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
5126         if it is set.
5127
5128 2008-01-21  DJ Delorie  <dj@redhat.com>
5129
5130         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
5131         return zero.
5132
5133 2008-01-21  Richard Guenther  <rguenther@suse.de>
5134
5135         PR middle-end/34856
5136         * tree-cfg.c (verify_expr): Allow all invariant expressions
5137         instead of just constant class ones as reference argument.
5138         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
5139         like any other constant.
5140         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
5141
5142 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
5143
5144         * regmove.c (fixup_match_1): Update call crossed frequencies.
5145
5146 2008-01-21  Richard Guenther  <rguenther@suse.de>
5147
5148         PR c/34885
5149         * tree-inline.c (setup_one_parameter): Deal with mismatched
5150         types using a VIEW_CONVERT_EXPR.
5151
5152 2008-01-21  Alon Dayan  <alond@il.ibm.com>
5153             Olga Golovanevsky  <olga@il.ibm.com>
5154         
5155         PR tree-optimization/34701
5156         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
5157         when the structure size is not a power of 2.
5158
5159 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
5160
5161         * doc/install.texi: Add doc for --enable-checking=df.
5162         
5163 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5164
5165         PR rtl-optimization/34808
5166         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
5167
5168 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5169
5170         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
5171         input.
5172
5173 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
5174
5175         PR rtl-optimization/26854
5176         PR rtl-optimization/34400
5177         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
5178         DF_RD->gen.
5179         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
5180         (df_rd_bb_info.expanded_lr_out): New.
5181         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
5182         * loop_iv.c (iv_analysis_loop_init): Ditto.
5183         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
5184         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
5185         Added code to allocate, initialize or free expanded_lr_out.
5186         (df_rd_bb_local_compute_process_def): Restructured to make
5187         more understandable.
5188         (df_rd_confluence_n): Add code to do nothing with fake edges and
5189         code to no apply invalidate_by_call sets if the sets are being trimmed.
5190         (df_lr_local_finalize): Renamed to df_lr_finalize.
5191         (df_live_local_finalize): Renamed to df_live_finalize.
5192
5193 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
5194
5195         PR target/34831
5196         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
5197         deciding whether to use reciprocal instructions.
5198
5199 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
5200
5201         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
5202         dwarf2out_note_section_used if cold_text_section is NULL.
5203
5204 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
5205
5206         PR gcov-profile/34610
5207         * tree-cfg.c (make_edges): Mark both outgoing edges from
5208         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
5209         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
5210         from OMP_FOR and OMP_CONTINUE outgoing edges.
5211
5212         * tree-profile.c (tree_profiling): Return early if
5213         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
5214         at the end.
5215         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
5216         from cfun to child_cfun.
5217         * function.h (struct function): Add after_tree_profile bit.
5218
5219 2008-01-19 Anatoly Sokolov <aesok@post.ru>
5220
5221         * config/avr/avr.S (_exit): Disable interrupt.
5222
5223 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
5224             Steven Bosscher  <stevenb.gcc@gmail.com>
5225
5226         PR rtl-optimization/26854
5227         PR rtl-optimization/34400
5228         * df-problems.c (df_live_scratch): New scratch bitmap.
5229         (df_live_alloc): Allocate df_live_scratch when doing df_live.
5230         (df_live_reset): Clear the proper bitmaps.
5231         (df_live_bb_local_compute): Only process the artificial defs once
5232         since the order is not important.
5233         (df_live_init): Init the df_live sets only with the variables
5234         found live by df_lr.
5235         (df_live_transfer_function): Use the df_lr sets to prune the
5236         df_live sets as they are being computed.  
5237         (df_live_free): Free df_live_scratch.
5238
5239 2008-01-18  Ian Lance Taylor  <iant@google.com>
5240
5241         * common.opt: Add fmerge-debug-strings.
5242         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
5243         flag_merge_debug_strings rather than flag_merge_constants.
5244         * doc/invoke.texi (Option Summary): Mention
5245         -fmerge-debug-strings.
5246         (Debugging Options): Document -fmerge-debug-strings.
5247
5248 2008-01-18  Ian Lance Taylor  <iant@google.com>
5249
5250         PR c++/33407
5251         * tree.h (DECL_IS_OPERATOR_NEW): Define.
5252         (struct tree_function_decl): Add new field operator_new_flag.
5253         * tree-inline.c (expand_call_inline): When inlining a call to
5254         operator new, force the return value to go into a variable, and
5255         set DECL_NO_TBAA_P on that variable.
5256         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
5257
5258 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
5259
5260         PR debug/34484
5261         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
5262         DWARF2_DEBUGGING_INFO.
5263         (dwarf2out_note_section_used): Ditto.  Add prototype.
5264         (have_multiple_function_sections, text_section_used,
5265         cold_text_section_used, *cold_text_sections): Move declarations
5266         before their uses.
5267
5268 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
5269
5270         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
5271         field and add signal_ra.
5272         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
5273         assignments to frame state pc.  Move end of stack check after
5274         MD_FALLBACK_FRAME_STATE_FOR.
5275         (uw_update_context_1): Use frame state signal_regs if set, instead
5276         of checking signal_frame flag.
5277         (uw_update_context): Use frame state signal_ra if set.
5278         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
5279         * config/xtensa/linux-unwind.h: New file.
5280
5281 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
5282
5283         * modulo-sched.c (get_sched_window): Fix comment typo.
5284
5285 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
5286
5287         PR tree-optimization/34648
5288         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
5289
5290 2008-01-17  Anatoly Sokolov <aesok@post.ru>
5291
5292         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
5293         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
5294
5295 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
5296
5297         PR rtl-optimization/34400
5298         * df-core.c (df_worklist_dataflow_overeager,
5299         df_worklist_dataflow_doublequeue): New functions.
5300         (df_worklist_dataflow): Two different worklist solvers.
5301         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
5302         New param.
5303
5304 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5305
5306         PR testsuite/34821
5307         * doc/invoke.texi: Document the dependence on pthread for fopenmp
5308         and ftree-parallelize-loops.
5309
5310 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
5311
5312         PR rtl-optimization/34826
5313         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
5314
5315 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
5316
5317         * global.c (find_reg): Mark the eh regs as used if necessary.
5318         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
5319         * ra.h (struct allocno): no_eh_reg field added.  Changed
5320         no_stack_reg type to bitfield.
5321
5322 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
5323
5324         * tree.c (substitute_in_expr): Add missing 'break'.
5325
5326 2008-01-17  Richard Guenther  <rguenther@suse.de>
5327
5328         PR tree-optimization/34825
5329         * tree-ssa-math-opts.c (is_division_by): Do not recognize
5330         x / x as division to handle.
5331
5332 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5333
5334         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
5335         "-pthread" is specified.
5336         * pa-hpux11.h (LIB_SPEC): Likewise.
5337
5338 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
5339             Peter Bergner  <bergner@vnet.ibm.com>
5340
5341         PR rtl-optimization/33796
5342         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
5343
5344 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5345
5346         PR libgfortran/34699
5347         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
5348         static links.
5349         * pa-hpux10.h (LINK_SPEC): Likewise.
5350         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
5351
5352 2008-01-16  Richard Guenther  <rguenther@suse.de>
5353
5354         PR middle-end/32628
5355         * fold-const.c (fold_convert_const_int_from_int): Do not
5356         set overflow if that occured only because of a sign extension
5357         change when converting from/to a sizetype with the same
5358         precision and signedness.
5359
5360 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5361
5362         PR debug/34249
5363         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
5364         location address to the correct place.  Update copyright year.
5365
5366 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5367
5368         * lambda-code.c (lambda_transform_legal_p): Handle the case of
5369         no dependences in the dependence_relations vector.
5370
5371 2008-01-16  Jan Hubicka  <jh@suse.cz>
5372
5373         PR rtl-optimization/31396
5374         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
5375         * cfg.c (dump_reg_info): Print it.
5376         * regs.h (struct reg_info_t): add freq_calls_crossed.
5377         (REG_FREQ_CALLS_CROSSED): New macro.
5378         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
5379         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
5380         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
5381         regmove_optimize): Update call crossed frequencies.
5382         * local-alloc.c (struct qty): Add freq_calls_crossed.
5383         (alloc_qty): Copute freq_calls_crossed.
5384         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
5385         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
5386         * ra.h (struct allocno): Add freq_calls_crossed.
5387
5388 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5389
5390         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
5391         libgomp when compiling with ftree-parallelize-loops.
5392         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
5393
5394 2008-01-16  Richard Guenther  <rguenther@suse.de>
5395
5396         PR tree-optimization/34769
5397         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
5398         * tree.c (int_cst_value): Instead make this function more
5399         permissive in what it accepts as valid input.  Document this
5400         function always sign-extends the value.
5401
5402 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
5403             Richard Guenther  <rguenther@suse.de>
5404
5405         PR c/34668
5406         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
5407         (gimple_fold_indirect_ref_rhs): ... this.
5408         (gimple_fold_indirect_ref): New function with foldings
5409         that preserve lvalueness.
5410         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
5411         * tree-flow.h (gimple_fold_indirect_ref): Declare.
5412         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
5413         to fold an INDIRECT_REF, fall back to the old use of
5414         fold_indirect_ref_1.
5415
5416 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
5417
5418         * tree-data-ref.c (subscript_dependence_tester_1): Call 
5419         free_conflict_function.
5420         (compute_self_dependence): Same.
5421
5422 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
5423
5424         PR debug/34249
5425         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
5426         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
5427         function global.
5428         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
5429         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
5430         for DWARF2_UNWIND_INFO targets.
5431
5432 2008-01-16  Richard Guenther  <rguenther@suse.de>
5433
5434         PR c/34768
5435         * c-typeck.c (common_pointer_type): Do not merge inconsistent
5436         type qualifiers for function types.
5437
5438 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
5439
5440         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
5441         loop_iterator li from previous commit.
5442
5443 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
5444
5445         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
5446
5447 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5448
5449         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
5450         (parallelize_loops): Don't parallelize irreducible components.
5451
5452 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5453
5454         PR c++/24924
5455         * c-opts (c_common_post_options): Do not enable CPP
5456         flag_pedantic_errors by default.
5457         
5458 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
5459
5460         PR rtl-optimization/31944
5461         * cse.c (remove_pseudo_from_table): New function.
5462         (merge_equiv_classes): Use above function to remove pseudo-registers.
5463         (invalidate): Likewise.
5464
5465 2008-01-13  Richard Guenther  <rguenther@suse.de>
5466
5467         PR middle-end/34601
5468         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
5469         instead of TYPE_MODE to deal with calls from expand_one_error_var.
5470
5471 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
5472
5473         * gcse.c (cprop_jump): Call validate_unshare_change instead of
5474         validate_change to unshare the source of the PC set.
5475
5476 2008-01-12  Jan Hubicka  <jh@suse.cz>
5477
5478         PR middle-end/32135
5479         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
5480         references above array bounds.  This might trigger bounds checks for
5481         pointers to arrays.
5482
5483 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
5484
5485         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
5486         new_replaceable_dependencies.
5487
5488 2008-01-12  Doug Kwan  <dougkwan@google.com>
5489
5490         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
5491         instead of OPT_Wreturn_type in warning due to ignored return type
5492         qualifiers.
5493         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
5494         options included in -Wextra.
5495         * c.opt: New option -Wignored_qualifiers.
5496         * doc/invoke.texi (Warning Options, -Wextra): Add new option
5497         -Wignore_qualifiers.
5498         (-Wignored-qualifiers): Document.
5499         (-Wreturn-type): Remove description of functionality now handled
5500         by -Wignored-qualifiers.
5501
5502 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
5503
5504         PR ada/33788
5505         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
5506         NOP_EXPR if it is between integral types with the same precision.
5507
5508 2008-01-12  Jan Hubicka  <jh@suse.cz>
5509
5510         PR other/28023
5511         * invoke.texi (max-inline-recursive-depth): Fix default value.
5512
5513 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
5514
5515         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
5516         correct type.
5517
5518 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
5519         
5520         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
5521         
5522 2008-01-11  James E. Wilson  <wilson@specifix.com>
5523
5524         PR target/26015
5525         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
5526
5527 2008-01-11  Anatoly Sokolov <aesok@post.ru>
5528
5529         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
5530         save/restore frame pointer register and don't use 'call-prologues' 
5531         optimization in function with "OS_task" attribute.
5532
5533 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
5534
5535         PR middle-end/31309
5536         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
5537         when copying to memory.
5538
5539 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
5540
5541         PR rtl-optimization/30905
5542         * cfgcleanup.c: Include dce.h
5543         (crossjumps_occured): New global variable.
5544         (try_crossjump_bb): Exit loop after finding a fallthru edge.
5545         If something changed, set crossjumps_occured to true.
5546         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
5547         Don't add/remove fake edges to exit here...
5548         (cleanup_cfg): ...but do it here, when crossjumping.
5549         Run a fast DCE when successful crossjumps occured in the latest
5550         iteration of try_optimize_cfg.
5551
5552 2008-01-11  Richard Guenther  <rguenther@suse.de>
5553
5554         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
5555         (struct vn_unary_op_s): Likewise.
5556         (vn_reference_insert): Free old reference on hash collision.
5557
5558 2008-01-10  Raksit Ashok  <raksit@google.com>
5559
5560         PR rtl-optimization/27971
5561         * combine.c (find_split_point): Split PLUS expressions which are
5562         inside a MEM rtx, and whose first operand is complex.
5563
5564 2008-01-10  DJ Delorie  <dj@redhat.com>
5565
5566         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
5567         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
5568         (m32c_hard_regno_ok): Call the underlying function.
5569
5570 2008-01-10  Richard Guenther  <rguenther@suse.de>
5571
5572         PR middle-end/34683
5573         * tree-cfg.c (tree_merge_blocks): Do not go through the
5574         full-blown folding and stmt updating path if we just deal
5575         with virtual operands.
5576         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
5577         test for abnormal SSA_NAMEs.
5578
5579 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
5580
5581         PR middle-end/34641
5582         * reload.c (push_reload): Add assertions.  All constants from
5583         reg_equiv_constant should have been used for replacing the respective
5584         pseudo earlier.
5585         (find_reloads_address): Invoke find_reloads_address_part for
5586         constant taken from the reg_equiv_constant array.
5587
5588 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
5589
5590         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
5591         field (valnum) the first in the struct.  Replace bools with
5592         unit bit fields.
5593
5594 2008-01-10  Richard Guenther  <rguenther@suse.de>
5595
5596         PR tree-optimization/34651
5597         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
5598         types and ordering for masking and converting.
5599
5600 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
5601
5602         PR tree-optimization/34017
5603         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
5604         also for PHI_NODE expressions.
5605
5606 2008-01-09  Jan Hubicka  <jh@suse.cz>
5607
5608         PR tree-optimization/34708
5609         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5610         based on number of case labels.
5611         (init_inline_once): Remove switch_cost.
5612         * tree-inline.h (eni_weights_d): Remove switch_cost.
5613
5614 2008-01-09  Richard Guenther  <rguenther@suse.de>
5615         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5616
5617         PR middle-end/30132
5618         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5619         temporary if an rvalue is ok or an lvalue is not required.
5620
5621 2008-01-09  Richard Guenther  <rguenther@suse.de>
5622
5623         PR middle-end/34458
5624         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5625         adjust return type.
5626
5627 2008-01-09  Richard Guenther  <rguenther@suse.de>
5628
5629         PR middle-end/34679
5630         * tree.c (host_integerp): Check for sizetype only if the
5631         type is an integer type.
5632
5633 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5634
5635         PR debug/26364
5636         * opts.c (decode_options): Disable inlining of functions called
5637         once if not in unit-at-a-time mode.
5638
5639 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5640
5641         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5642
5643 2008-01-08  Richard Guenther  <rguenther@suse.de>
5644
5645         PR middle-end/31863
5646         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5647         out early if the result will be unused.
5648
5649 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5650
5651         PR target/34709
5652         Revert:
5653
5654         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5655         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5656         for TARGET_RECIP.       
5657         
5658 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5659         
5660         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5661         for vectorization tuned.
5662         
5663 2008-01-08  Richard Guenther  <rguenther@suse.de>
5664
5665         PR tree-optimization/34683
5666         * tree-ssa-operands.c (operand_build_cmp): Export.
5667         * tree-ssa-operands.h (operand_build_cmp): Declare.
5668         * tree-vn.c (vuses_compare): Remove.
5669         (sort_vuses): Use operand_build_cmp.
5670         (sort_vuses_heap): Likewise.
5671         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5672         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5673         (vdefs_to_vec): Do not sort already sorted VDEFs.
5674
5675 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5676
5677         PR middle-end/34694
5678         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5679
5680 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5681
5682         PR target/34702
5683         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5684         limitations of reciprocal sequences on x86 targets.
5685
5686 2008-01-08  Richard Guenther  <rguenther@suse.de>
5687
5688         PR tree-optimization/34683
5689         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5690
5691 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5692
5693         PR target/34622
5694         * config/darwin.c (darwin_mergeable_string_section): Don't use
5695         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5696
5697 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5698
5699         PR target/34682
5700         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5701         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5702         predicates of op0 and op1 to register_operand.
5703         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5704         expander using X87MODEF mode iterator.  Change predicates of
5705         op0 and op1 to register_operand.
5706         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5707         corresponding patterns and macroize using MODEF macro.  Change
5708         predicates of op0 and op1 to register_operand and remove
5709         "m" constraint. Disparage "r" alternative with "!".
5710         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5711         macroize using X87MODEF macro.  Change predicates of op0 and op1
5712         to register_operand and remove "m" constraint.  Disparage "r"
5713         alternative with "!".
5714         (absneg splitter with memory operands): Remove.
5715         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5716         patterns and macroize using X87MODEF mode iterator.
5717         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5718         Change predicate of op1 to register_operand.
5719         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5720         for memory operands.
5721
5722 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5723
5724         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5725
5726 2008-01-07  Richard Guenther  <rguenther@suse.de>
5727
5728         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5729         fields.
5730
5731 2008-01-07  Richard Guenther  <rguenther@suse.de>
5732
5733         PR tree-optimization/34683
5734         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5735         VOPs of the needed size to save memory.  Use VEC_quick_push
5736         to save compile-time.
5737         (vdefs_to_vec): Likewise.
5738
5739 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5740
5741         * config/spu/spu.md (divdf3): Genetate inline code for double
5742         division.  The implementation doesn't handle INF or NAN, therefore it
5743         only applies when -ffinite-math-only is given.
5744
5745 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5746
5747         PR libstdc++/34680
5748         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5749         * doc/cpp.texi ([Common Predefined Macros]): Document.
5750
5751 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5752
5753         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5754         order to use commutative addition instead of subtraction.
5755
5756 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5757             Mircea Namolaru  <namolaru@il.ibm.com>
5758             Vladimir Yanovsky  <yanov@il.ibm.com>
5759             Revital Eres  <eres@il.ibm.com>
5760
5761         PR tree-optimization/34263
5762         * tree-outof-ssa.c (process_single_block_loop_latch,
5763         contains_tree_r): New functions.
5764         (analyze_edges_for_bb): Call process_single_block_loop_latch
5765         function to empty single-basic-block latch block if possible.
5766
5767 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5768
5769         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5770         for TARGET_RECIP.
5771         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5772
5773 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5774
5775         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5776
5777 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5778
5779         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5780
5781 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5782
5783         PR tree-optimization/34618
5784         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5785         flag from T.
5786
5787 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5788
5789         PR target/34673
5790         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5791         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5792         Update copyright year.
5793
5794         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5795         Update copyright year.
5796         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5797         using NR fixup.
5798
5799 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5800
5801         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5802         edge does not point to current bb before changing need_assert.
5803
5804 2008-01-04  Richard Guenther  <rguenther@suse.de>
5805
5806         PR middle-end/34029
5807         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5808         for verifying purposes if they are is_gimple_min_invariant.
5809
5810 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5811
5812         PR tree-optimization/34448
5813         PR tree-optimization/34465
5814         * gimplify.c (gimplify_init_constructor): Add new parameter
5815         notify_temp_creation.  Use it.
5816         (gimplify_modify_expr_rhs): Take volatiles into account when
5817         optimizing constructors.
5818         Do not optimize constructors if gimplify_init_constructor will dump to
5819         memory.
5820         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5821         * gcc.c-torture/compile/pr34448.c: New.
5822
5823 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5824
5825         PR gcov-profile/34609
5826         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5827         return_slot if result is TREE_ADDRESSABLE.
5828
5829 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5830
5831         * config/mips/mips.md (sqrt_condition): Tweak comment.
5832         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5833
5834 2008-01-03  Tom Tromey  <tromey@redhat.com>
5835
5836         PR c/34457
5837         * c-common.c (c_type_hash): Handle VLAs.
5838
5839 2008-01-03  Jan Hubicka  <jh@suse.cz>
5840
5841         PR tree-optimization/31081
5842         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5843         0 when inlining and not inlining to first basic block.
5844         (remap_decl): When var is initialized to 0, don't set default_def.
5845         (expand_call_inline): Set entry_bb.
5846         * tree-inline.h (copy_body_data): Add entry_bb.
5847
5848 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5849
5850         PR c++/34619
5851         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5852         before returning.
5853
5854         PR tree-optimization/29484
5855         * tree-inline.c (inline_forbidden_p_2): New function.
5856         (inline_forbidden_p): Disallow inlining if some static var
5857         has an address of a local LABEL_DECL in its initializer.
5858         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5859         vs. inlining.
5860
5861 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5862
5863         PR tree-optimization/34635
5864         * tree-data-ref.c (add_other_self_distances): Make sure that the
5865         evolution step is constant.
5866
5867 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5868
5869         PR middle-end/34608
5870         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5871
5872 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5873
5874         * tree-sra.c (scalarize_init): Insert the generate_element_init
5875         statements after the generate_element_zero statements.
5876
5877 2008-01-02  Richard Guenther  <rguenther@suse.de>
5878
5879         PR middle-end/34093
5880         PR middle-end/31976
5881         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5882         for very large number of operands instead of ICEing.
5883
5884 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5885
5886         PR target/34013
5887         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5888         while stack probing.
5889
5890 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5891
5892         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5893         in C++0x mode.
5894
5895 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5896
5897         PR libmudflap/26442
5898         * tree-mudflap.c (mx_register_decls): Guard warning by
5899         !DECL_ARTIFICIAL check.
5900
5901 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5902
5903         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5904         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5905         sse5_perm<mode>): Fix constraints.