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* config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
2
3         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4         iterators.
5         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
6         leu.
7         (sgt<u>): Merge sgt and sgtu into new expander.
8         (sgt, sgtu): Remove expanders.
9         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
10         pattern.
11         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
12         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
13         *sgtu_<mode>_mips16 into new pattern.
14         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
15         (sge<u>): Merge sge and sgeu into new expander.
16         (sge, sgeu): Remove expanders.
17         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
18         new pattern.
19         (*sge_<mode>, second *sge_<mode>): Remove patterns.
20         (slt<u>): Merge slt and sltu into new expander.
21         (slt, sltu): Remove expanders.
22         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
23         pattern.
24         (*slt_<mode>, *sltu_<mode>): Remove patterns.
25         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
26         *sltu_<mode>_mips16 into new pattern.
27         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
28         (sle<u>): Merge sle and sleu into new expander.
29         (sle, sleu): Remove expanders.
30         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
31         pattern.
32         (*sle_<mode>, *sleu_<mode>): Remove patterns.
33         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
34         *sleu_<mode>_mips16 into new pattern.
35         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
36
37 2008-04-03  Jan Hubicka  <jh@suse.cz>
38
39         PR tree-optimization/35795
40         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
41         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
42         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
43         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
44         * score/score3.c (score3_output_mi_thunk): Likewise.
45         * score/score7.c (score7_output_mi_thunk): Likewise.
46         * mips/mips.c (mips_output_mi_thunk): Likewise.
47
48 2008-04-03  Richard Guenther  <rguenther@suse.de>
49
50         * tree-vrp.c (extract_range_from_unary_expr): Handle all
51         conversions.  Simplify code.
52
53 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
54
55         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
56
57 2008-04-03  Tom Tromey  <tromey@redhat.com>
58             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
59
60         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
61         * config/bfin/t-bfin-linux (generated_files): Add
62         linux-sysroot-suffix.h.
63         * doc/install.texi (Prerequisites): Require make 3.80.
64         * doc/sourcebuild.texi (Front End Directory): Document new
65         variable.
66         * Makefile.in (generated_files): New variable.
67         (ALL_HOST_OBJS): New variable.
68         ($(ALL_HOST_OBJS)): New target.
69
70 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
71
72         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
73         (remap_block): Call id->transform_lang_insert_block instead
74         of langhook.
75         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
76         Set id.transform_lang_insert_block to NULL.
77         (clone_body): Move to cp/optimize.c
78         * tree-inline.h (struct copy_body_data): Change
79         transform_lang_insert_block to function pointer.
80         (copy_generic_body, copy_decl_no_change): Export.
81         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
82         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
83         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
84
85         * c-tree.h (insert_block): Kill.
86         * c-decl.c (insert_block): Kill.
87
88 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
89
90         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
91         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
92         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
93         argument.
94         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
95         argument, call {push,pop}_function_context from here.
96         * c-parser.c: Use c_{push,pop}_function_context.
97
98         * function.c (push_function_context_to): Move meat ...
99         (push_function_context): ... here.  Simplify.
100         * function.c (pop_function_context_from): Move meat ...
101         (pop_function_context): ... here.  Simplify.
102         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
103         leave_nested).
104         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
105         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
106         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
107         * tree.h (push_function_context_to, pop_function_context_from): Remove.
108
109 2008-04-03  Ben Elliston  <bje@au.ibm.com>
110
111         * expmed.c (extract_force_align_mem_bit_field): Remove.
112
113 2008-04-03  Richard Guenther  <rguenther@suse.de>
114
115         PR middle-end/35800
116         * expr.h (try_casesi): Adjust prototype.
117         * expr.c (try_casesi): Take fallback label as extra parameter.
118         Use that for gen_casesi if default_label is NULL.
119         * stmt.c (expand_case): Pass fallback label to try_casesi,
120         make sure to fill gaps with a fallback label if default_label
121         is not present.
122
123 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
124
125         PR target/35801
126         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
127
128 2008-04-03  Ben Elliston  <bje@au.ibm.com>
129
130         * expmed.c (extract_split_bit_field): Remove if (0) code.
131         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
132         (do_ds_constraint): Likewise.
133
134 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
135
136         * doc/cppopts.texi (-dU): Document.
137         * c-common.h (flag_dump_macros): Update comment.
138         * c-opts.c (handle_OPT_d): Handle -dU.
139         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
140         dump_queued_macros, cb_used_define, cb_used_undef): New.
141         (init_pp_output): Handle -dU.
142         (cb_line_change): Call dump_queued_macros.
143         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
144
145 2008-04-02  Anatoly Sokolov <aesok@post.ru>
146
147         * config/avr/predicates.md (io_address_operand): New predicate. 
148         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
149         * config/avr/avr.c (avr_io_address_p): Remove function.
150         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
151         'avr_io_address_p' function.
152         (out_movhi_r_mr): (Ditto.).
153         (out_movqi_mr_r): (Ditto.).
154         (out_movhi_mr_r): (Ditto.).
155         (avr_address_cost): (Ditto.).
156
157 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
158
159         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
160         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
161         in 32bit mode when XMM registers are available to avoid store
162         forwarding stalls.
163         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
164         corresponding post-reload splitters.
165
166 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
167
168         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
169         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
170         __builtin_ia32_roundss.
171         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
172         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
173         __builtin_ia32_roundss.
174         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
175         IX86_BUILTIN_SHUFPD here.
176
177 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
178
179         * config/i386/i386.md (plogic): New.
180         (plogicprefix): Likewise.
181
182         * config/i386/mmx.md (mmx_<code><mode>3): New.
183         (mmx_and<mode>3): Removed.
184         (mmx_ior<mode>3): Likewise.
185         (mmx_xor<mode>3): Likewise.
186
187         * config/i386/sse.md (<code><mode>3): New.
188         (*<code><mode>3): Likewise.
189         (*<code><mode>3): Likewise.
190         (<code><mode>3): Likewise.
191         (*sse_<code><mode>3): Likewise.
192         (*sse2_<code><mode>3): Likewise.
193         (<code>tf3): Likewise.
194         (*<code>tf3): Likewise.
195         (and<mode>3): Likewise.
196         (*and<mode>3): Likewise.
197         (ior<mode>3): Removed.
198         (*ior<mode>3): Likewise.
199         (xor<mode>3): Likewise.
200         (*xor<mode>3): Likewise.
201         (*and<mode>3): Likewise.
202         (*ior<mode>3): Likewise.
203         (*xor<mode>3): Likewise.
204         (and<mode>3): Likewise.
205         (*sse_and<mode>3): Likewise.
206         (*sse2_and<mode>3): Likewise.
207         (andtf3): Likewise.
208         (*andtf3): Likewise.
209         (ior<mode>3): Likewise.
210         (*sse_ior<mode>3): Likewise.
211         (*sse2_ior<mode>3): Likewise.
212         (iortf3): Likewise.
213         (*iortf3): Likewise.
214         (xor<mode>3): Likewise.
215         (*sse_xor<mode>3): Likewise.
216         (*sse2_xor<mode>3): Likewise.
217         (xortf3): Likewise.
218         (*xortf3): Likewise.
219
220 2008-04-02  Richard Guenther  <rguenther@suse.de>
221
222         PR tree-optimization/14495
223         PR tree-optimization/34793
224         * tree-vrp.c (struct switch_update): New structure.
225         (to_remove_edges, to_update_switch_stmts): New VECs.
226         (simplify_switch_using_ranges): New function.  Remove not taken
227         case labels and edges.
228         (simplify_stmt_using_ranges): Call it.
229         (identify_jump_threads): Mark edges we have queued for removal
230         so we don't thread them.
231         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
232         case label vector.
233         * tree-cfg.c (group_case_labels): Deal with missing default label.
234         (tree_verify_flow_info): Allow missing default label.
235         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
236         (emit_case_nodes): Likewise.
237         (expand_case): Do not rely on the default label to be present.
238         * expr.c (try_casesi): Deal with NULL default_label.
239         (do_tablejump): Likewise.
240
241 2008-04-02  Richard Guenther  <rguenther@suse.de>
242
243         PR tree-optimization/14495
244         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
245         SWITCH_EXPR here ...
246         (vrp_visit_switch_stmt): ... but here (new function).
247         (find_case_label_index): New helper function.
248         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
249
250 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
251
252         * fwprop.c: Fix ISO-C99ism.
253
254 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
255
256         PR bootstrap/35752
257         * Makefile.in (objdir): Set it here.
258         * configure.ac: Not here.  Find dynamic linker characteristics.
259         * exec-tool.in: Use them.
260         * aclocal.m4: Regenerate.
261         * configure: Regenerate.
262
263 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
264
265         * expr.c (expand_var): Delete it.
266         * expr.h (expand_var): Delete prototype.
267         * function.c (expand_function_start): Use expand_decl instead.
268         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
269         langhook.
270
271 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
272
273         PR rtl-optimization/35542
274         * fwprop.c (forward_propagate_and_simplify): Replace
275         loc_reg_mentioned_in_p with reg_mentioned_p.
276
277 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
278
279         PR rtl-optimization/35281
280         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
281         (propagate_rtx_1): Handle PR_HANDLE_MEM.
282         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
283         (varying_mem_p): Move above propagate_rtx.
284         (all_uses_available_at): Do not check MEMs.
285
286 2008-04-02  Rafael Espindola  <espindola@google.com>
287
288         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
289         (register_edge_assert_for_2): Split the cond argument.
290         (register_edge_assert_for_1): Adjust for the change in
291         register_edge_assert_for_2.
292         (register_edge_assert_for): Split the cond argument.
293         (find_switch_asserts): Adjust for the change in
294         register_edge_assert_for.
295
296 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
297
298         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
299         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
300         offsets for 64-bit mingw.
301         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
302         abi for x86_64-pc-mingw.
303
304 2008-04-02  Richard Guenther  <rguenther@suse.de>
305
306         * tree-vrp.c (extract_range_from_assert): Make sure to not
307         produce range min/max with TREE_OVERFOW set.
308         If merging a anti-range and a range keep the anti-range if
309         the range covers all values of the type.
310         (register_edge_assert_for_2): Only allow sign-changing
311         conversions in detecting canonical range checks.  Also
312         register an assert for the unsigned name if useful.
313
314         PR tree-optimization/35787
315         * tree-vrp.c (vrp_val_max): New function.
316         (vrp_val_min): Likewise.
317         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
318         (vrp_val_is_min): Likewise.
319         (supports_overflow_infinity): Use vrp_val_{min,max}.
320         (negative_overflow_infinity): Likewise.
321         (positive_overflow_infinity): Likewise.
322         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
323         (is_positive_overflow_infinity): Likewise.
324         (is_overflow_infinity): Likewise.
325         (avoid_overflow_infinity): Use vrp_val_{min,max} and
326         vrp_val_is_{min,max}.
327         (set_and_canonicalize_value_range): Canonicalize anti-ranges
328         to ranges if possible.  Avoid empty ranges.
329
330 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
331
332         PR middle-end/35705
333         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
334         the expression is a function address.
335
336 2008-04-01  George Helffrich  <george@gcc.gnu.org>
337
338         PR fortran/PR35154, fortran/PR23057
339         * fortran/trans-common.c (create_common):  Add decl to function
340         chain to preserve identifier scope in debug output.
341
342         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
343         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
344         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
345         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
346         in common.
347         (dbxout_syms): Check for COMMON-based symbol and wrap in
348         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
349         in bracket for efficiency.
350
351         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
352         using DW_TAG_common_block + member offset.
353         (add_pubname_string): New function.
354         (dw_expand_expr): New function to find block name and offset for
355         COMMON var.
356         (common_check): New function to check whether symbol in Fortran COMMON.
357         (gen_variable_die): If COMMON, use DW_TAG_common_block.
358
359         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
360         use of common is unchanged.
361
362         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
363         with all combinations of debug options available on target.
364         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
365         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
366         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
367         .stabs functionality.
368         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
369         DWARF functionality.
370
371 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
372
373         PR c/35436
374         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
375
376 2008-04-02  Ben Elliston  <bje@au.ibm.com>
377
378         * config/v850/v850.md (casesi): Remove if (0) code.
379         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
380         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
381
382 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
383
384         * config/i386/i386.md (rex64suffix): New mode attribute.
385         (floathi<mode>2): Disable expander for SSE math.
386         (*floathi<mode>2_1): New insn insn_and_split pattern.
387         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
388         corresponding post-reload splitters.
389         (*floathi<mode>2_i387): New macroized insn pattern.
390         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
391         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
392         insn_and_split pattern.
393         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
394         New macroized instruction patterns and corresponding post-reload
395         splitters.
396         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
397         and corresponding post-reload splitters.
398         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
399         New macroized instruction patterns.
400         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
401         macroized instruction patterns and corresponding post-reload splitters.
402         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
403         corresponding post-reload splitters.
404         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
405         New macroized instruction patterns.
406         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
407         corresponding post-reload splitters.
408         (*floatsi<mode>2_i387): New macroized instruction patterns.
409
410 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
411
412         * config/i386/i386.md (smaxmin): New.
413         (umaxmin): Likewise.
414         (maxminiprefix): Likewise.
415         (maxminfprefix): Likewise.
416         (<code><mode>3): Likewise.
417         (smin<mode>3): Removed.
418         (smax<mode>3): Likewise.
419
420         * config/i386/mmx.md (mmx_<code>v2sf3): New.
421         (mmx_<code>v4hi3): Likewise.
422         (mmx_<code>v8qi3): Likewise.
423         (mmx_smaxv2sf3): Removed.
424         (mmx_sminv2sf3): Likewise.
425         (mmx_umaxv8qi3): Likewise.
426         (mmx_smaxv4hi3): Likewise.
427         (mmx_uminv8qi3): Likewise.
428         (mmx_sminv4hi3): Likewise.
429
430         * config/i386/sse.md (<addsub><mode>3): New.
431         (*<addsub><mode>3): Likewise.
432         (<sse>_vm<addsub><mode>3): Likewise.
433         (<maxmin><mode>3): Likewise.
434         (*<maxmin><mode>3_finite): Likewise.
435         (*<maxmin><mode>3): Likewise.
436         (<sse>_vm<maxmin><mode>3): Likewise.
437         (sse3_h<addsub>v4sf3): Likewise.
438         (sse3_h<addsub>v2df3): Likewise.
439         (<maxmin>v16qi3): Likewise.
440         (*<maxmin>v16qi3): Likewise.
441         (<maxmin>v8hi3): Likewise.
442         (*<maxmin>v8hi3): Likewise.
443         (*sse4_1_<maxmin><mode>3): Likewise.
444         (*sse4_1_<maxmin><mode>3): Likewise.
445         (add<mode>3): Removed.
446         (*add<mode>3): Likewise.
447         (<sse>_vmadd<mode>3): Likewise.
448         (sub<mode>3): Likewise.
449         (*sub<mode>3): Likewise.
450         (<sse>_vmsub<mode>3): Likewise.
451         (smin<mode>3): Likewise.
452         (*smin<mode>3_finite): Likewise.
453         (*smin<mode>3): Likewise.
454         (<sse>_vmsmin<mode>3): Likewise.
455         (smax<mode>3): Likewise.
456         (*smax<mode>3_finite): Likewise.
457         (*smax<mode>3): Likewise.
458         (<sse>_vmsmax<mode>3): Likewise.
459         (sse3_haddv4sf3): Likewise.
460         (sse3_haddv2df3): Likewise.
461         (sse3_hsubv4sf3): Likewise.
462         (sse3_hsubv2df3): Likewise.
463         (umaxv16qi3): Likewise.
464         (*umaxv16qi3): Likewise.
465         (smaxv8hi3): Likewise.
466         (*smaxv8hi3): Likewise.
467         (*sse4_1_smax<mode>3): Likewise.
468         (*sse4_1_umax<mode>3): Likewise.
469         (uminv16qi3): Likewise.
470         (*uminv16qi3): Likewise.
471         (sminv8hi3): Likewise.
472         (*sminv8hi3): Likewise.
473         (*sse4_1_smin<mode>3): Likewise.
474         (*sse4_1_umin<mode>3): Likewise.
475
476 2008-04-01  Rafael Espindola  <espindola@google.com>
477
478         * tree-cfg.c (verify_expr): remove in_phi.
479         (verify_stmt): Don't call walk_tree with verify_expr. Use
480         is_gimple_min_invariant instead of is_gimple_val.
481
482 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
483
484         * doc/include/gpl_v3.texi: Update for manpage generation.
485         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
486         gpl.texi.
487         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
488         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
489         gpl_v3.texi instead of gpl.texi.
490         (gpl.pod): New.
491
492 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
493
494         PR pch/13675
495         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
496
497 2008-04-01  Rafael Espindola  <espindola@google.com>
498
499         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
500         (extract_code_and_val_from_cond): Use
501         extract_code_and_val_from_cond_with_ops.
502
503 2008-04-01  Jan Hubicka  <jh@suse.cz>
504
505         * function.c (free_after_compilation): Free epilogue_delay_list.
506         (prepare_function_start): Assert that previous compilation was freed.
507
508 2008-04-01  Jan Hubicka  <jh@suse.cz>
509             Jim Wilson  <wilson@tuliptree.org>
510             Andreas Tobler <andreast@gcc.gnu.org>
511
512         PR middle-end/35781
513         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
514         rtl.emit instead cfun->emit.
515         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
516         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
517
518 2008-04-01  Ben Elliston  <bje@au.ibm.com>
519
520         * doc/c-tree.texi (Function Basics): Fix grammatical error.
521
522 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
523
524         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
525         New options
526         (fprofile-use): Add var flag_profile_use
527         * coverage.c (coverage_begin_output): Do not open a gcno file for
528         output only if -ftest-coverage is set.
529         Do not add getpwd() to gcda file path.
530         (build_gcov_info): Check the new flag
531         flag_profile_datafile_relative_path.
532         (coverage_init): Use profile_data_prefix.
533         Read profile counter only if flag_profile_use is set.
534         * opts.c (common_handle_option): New option fprofile-use=,
535         fprofile-dir=, fprofile-generate=.
536         * toplev.c (profile_data_prefix): New variable definition.
537         * toplev.h (profile_data_prefix): New declaration.
538         * doc/invoke.tex (Option Summary, Optimization Options):
539         Add new options.
540
541 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
542
543         * varasm.c (output_constant_pool_1): In LABEL_REF check,
544         use tmp consistently.
545
546         PR target/35695
547         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
548         * config/ia64/ia64.c (rtx_needs_barrier): Handle
549         UNSPEC_FR_RECIP_APPROX_RES.
550         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
551
552 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
553
554         PR c/35750
555         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
556
557 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
558
559         PR middle-end/30186
560         * fold-const.c (fold_indirect_ref_1): Support accessing non first
561         element of the vector via a pointer.
562
563 2008-03-31  Ian Lance Taylor  <iant@google.com>
564
565         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
566
567 2008-03-31  Jan Hubicka  <jh@suse.cz>
568
569         * builtins.c (expand_builtin_setjmp_receiver): Update call of
570         get_arg_pointer_save_area.
571         * expr.c (init_expr): Just clear out rtl.expr.
572         * function.c (free_after_compilation): Clear out whole RTL structure.
573         (get_func_frame_size): Merge into ...
574         (get_frame_size): ... this one.
575         (assign_stack_local_1): Merge into ...
576         (assign_stack_local): ... this one.
577         (expand_function_end): Update call of get_arg_pointer_save_area.
578         (get_art_pointer_save_area): Remove cfun argument.
579         * function.h (emit_status): regno_pointer_align does not need length
580         attribute. Move x_regno_reg_rtx to ...
581         (regno_reg_rtx): ... new global array.
582         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
583         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
584         apply_args_value, forced_labels, stack_pointer_delta):
585         Update accestors.
586         (struct varasm_status): Move here from varasm.c
587         (struct rtl_data): New. Move here some fields from struct function.
588         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
589         frame_offset, stack_check_probe_note, arg_pointer_save_area,
590         used_temp_slots avail_temp_slots, temp_slot_level,
591         nonlocal_goto_handler_labels): Update accesstors.
592         (rtl): New global variable.
593         (struct function): Move some fileds to rtl_data.
594         (get_arg_pointer_save_area): Update prototype.
595         * emit-rtl.c (rtl): Declare.
596         (regno_reg_rtx): Declare.
597         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
598         Update.
599         (gen_reg_rtx): Update.
600         (init_virtual_regs): Do not tate emit_status argument.
601         (init_emit): Do not allocate emit.
602         * varasm.c (varasm_statuc): Move to function.h.
603         (n_deferred_constatns): Update accestor.
604         (init_varasm_status): Do not allocate varasm_status.
605         (force_const_mem, get_pool_size, output_constant_pool): Update.
606         * stmt.c (force_label_rtx): Do not use x_ prefixes.
607         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
608
609 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
610
611         PR rtl-optimization/35729
612         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
613         references.
614
615 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
616
617         PR target/32000
618         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
619         load/store if memory is unaligned.
620         (*movti_rex64): Likewise.
621
622         * config/i386/predicates.md (misaligned_operand): New.
623
624 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
625
626         PR tree-opt/35431
627         * tree-ssa-phiopt.c (conditional_replacement): Return early for
628         complex types.
629
630 2008-03-31  Jan Beulich  <jbeulich@novell.com>
631
632         * config/ia64/constraints.md: Add 'j' constraint.
633         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
634         (movdi_internal): Likewise.
635
636 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
637
638         PR c/35748
639         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
640
641 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
642
643         PR target/35757
644         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
645         proper error message for the third argument on blendpd and
646         blendps.
647
648         * config/i386/sse.md (blendbits): New.
649         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
650
651 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
652
653         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
654
655 2008-03-30  Richard Guenther  <rguenther@suse.de>
656
657         PR middle-end/31023
658         * fold-const.c (fold_sign_changed_comparison): Do leave
659         conversions to base-types alone.
660
661 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
662
663         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
664         the link register if one altivec register is be saved.
665
666 2008-03-30  Ben Elliston  <bje@au.ibm.com>
667
668         * final.c (final_scan_insn): Remove if (0) code.
669
670 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
671
672         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
673
674 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
675
676         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
677         of V4SFmode to ix86_binary_operator_ok.
678
679 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
680
681         * config/i386/i386.c (override_options): Initialize
682         ix86_veclib_handler to ix86_veclibabi_svml when
683         -mveclibabi=svml is used.
684         (ix86_veclibabi_svml): New function for SVML ABI style
685         vectorization support.
686         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
687
688 2008-03-28  Rafael Espindola  <espindola@google.com>
689
690         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
691         (tree_binary_nonnegative_warnv_p): Make it public.
692         (tree_single_nonnegative_warnv_p): Make it public.
693         (tree_invalid_nonnegative_warnv_p): Make it public.
694         (tree_unary_nonzero_warnv_p): Make it public.
695         (tree_binary_nonzero_warnv_p): Make it public
696         (tree_single_nonzero_warnv_p): Make it public.
697         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
698         (extract_range_from_binary_expr): Split the expr argument.
699         (extract_range_from_unary_expr): Split the expr argument.
700         (extract_range_from_comparison): Split the expr argument.
701         (extract_range_from_expr): Use the new aux functions.
702         (vrp_evaluate_conditional_warnv): Use
703         vrp_evaluate_conditional_warnv_with_ops.
704         * tree.h (tree_unary_nonzero_warnv_p): Declare.
705         (tree_binary_nonzero_warnv_p): Declare.
706         (tree_single_nonzero_warnv_p): Declare.
707         (tree_expr_nonzero_warnv_p): Declare.
708         (tree_unary_nonnegative_warnv_p): Declare.
709         (tree_binary_nonnegative_warnv_p): Declare.
710         (tree_single_nonnegative_warnv_p): Declare.
711         (tree_invalid_nonnegative_warnv_p): Declare.
712
713 2008-03-28  Richard Guenther  <rguenther@suse.de>
714
715         PR tree-optimization/30317
716         PR tree-optimization/30911
717         PR tree-optimization/34793
718         * tree-vrp.c (set_and_canonicalize_value_range): New function.
719         (struct assert_locus_d): New member EXPR.
720         (register_new_assert_for): Add EXPR parameter to support
721         ASSERT_EXPR <name, expr OP limit>.
722         (register_edge_assert_for_1): Adjust callers.
723         (find_assert_locations): Likewise.
724         (process_assert_insertions_for): Build condition from expression.
725         (extract_range_from_assert): Handle ASSERT_EXPRs
726         of the form ASSERT_EXPR <name, expr OP limit>.
727         (register_edge_assert_for_2): New helper registering
728         asserts for comparisons.  Recognize range tests of the form
729         (unsigned)i - CST1 OP CST2.
730         (register_edge_assert_for_1): Use it.
731         (register_edge_assert_for): Likewise.
732         (needs_overflow_infinity): Integer sub-types
733         do not need overflow infinities.
734         (vrp_val_is_max): The extreme values of integer sub-types
735         are those of the base type.
736         (vrp_val_is_min): Likewise.
737         * tree.def (ASSERT_EXPR): Document extra allowed conditional
738         expressions.
739
740 2008-03-28  Nick Clifton  <nickc@redhat.com>
741
742         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
743         Return GENERAL_REGS for stack adjustment reloads.
744
745 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
746
747         PR target/31334
748         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
749         const_vector when all the vectors are constant.
750
751 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
752
753         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
754         comparisons.
755         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
756         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
757         (scc_sf): New.
758         (s<code>_sf): Use new scc_sf attribute for opcode names.
759
760 2008-03-27  Tom Tromey  <tromey@redhat.com>
761
762         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
763         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
764         config/spu/t-spu-elf, config/i386/t-interix,
765         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
766         config/i386/x-darwin, config/i386/x-mingw32,
767         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
768         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
769         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
770         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
771         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
772         config/rs6000/x-darwin, config/rs6000/t-rs6000,
773         config/score/t-score-elf, config/arm/t-strongarm-pe,
774         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
775         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
776         Revert automatic dependency patch.
777
778 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
779
780         PR target/35657
781         * config/i386/i386.c (ix86_function_arg_boundary): Align
782         decimal floating point to its natural boundary.
783
784 2008-03-27  Richard Guenther  <rguenther@suse.de>
785
786         PR middle-end/35716
787         * fold-const.c (fold_comparison): Restrict distinct decl
788         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
789         solely rely on operand_equal_p.
790
791 2008-03-27  Richard Guenther  <rguenther@suse.de>
792
793         PR c/32511
794         * c-common.c (handle_weak_attribute): Reject combination of
795         weak and inline.
796
797 2008-03-27  Richard Guenther  <rguenther@suse.de>
798
799         PR tree-optimization/32810
800         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
801         conversions from DECL_INITIAL.
802         (fold_const_aggregate_ref): Likewise from constructor elements.
803
804 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
805
806         * tree-affine.h (aff_combination_expand): Declare.
807         (get_inner_reference_aff): Likewise.
808         * tree-affine.c (aff_combination_expand): Split out from
809         tree_to_aff_combination_expand.
810         (get_inner_reference_aff): New function.
811         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
812         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
813         (struct lim_aux_data): sm_done field removed.
814         (mem_ref_loc_p, mem_ref_locs_p): New types.
815         (struct mem_ref): Added id, stored, accesses_in_loop,
816         indep_loop, dep_loop, indep_ref, dep_ref fields.
817         Removed is_stored, locs and next fields.
818         (memory_accesses): New variable.
819         (movement_possibility): Do not allow moving statements
820         that store to memory.
821         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
822         New functions.
823         (determine_max_movement): For statements with memory references,
824         find the outermost loop in that the reference is independent.
825         (move_computations_stmt): Mark the virtual operands for renaming.
826         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
827         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
828         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
829         add_vop_ref_mapping, create_vop_ref_mapping_loop,
830         create_vop_ref_mapping, analyze_memory_references,
831         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
832         get_all_locs_in_loop, ref_always_accessed_p,
833         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
834         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
835         store_motion_loop, store_motion): New functions.
836         (struct vop_to_refs_elt): New type.
837         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
838         memref_hash, memref_eq, hoist_memory_references): Rewritten.
839         (schedule_sm): Replaced by...
840         (execute_sm): ... this.
841         (determine_lsm_ref, hoist_memory_references,
842         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
843         find_more_ref_vops, free_mem_ref, free_mem_refs,
844         determine_lsm_loop, determine_lsm): Removed.
845         (tree_ssa_lim_finalize): Free data structures used by store motion.
846         (tree_ssa_lim): Call analyze_memory_references.  Use
847         store_motion instead of determine_lsm.
848
849 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
850
851         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
852         rename tmake_file to m68hc11/t-m68hc11.
853         (mcore): Set inhibit_libc to true.
854         * config.host (alpha*-dec-*vms*): Set extra_programs.
855         (interix3*): Don't use host_xmake_file.
856         * configure.ac: Let config.gcc override inhibit_libc.
857         * configure: Regenerate.
858
859         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
860         * config/t-openbsd-thread: Remove commented out lines.
861         
862         * config/x-interix: Remove.
863
864         * config/m68hc11/t-m68hc11-gas: Rename to...
865         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
866
867         * config/mcore/t-mcore: Remove T_CFLAGS.
868         * config/mcore/t-mcore-pe: Likewise.
869
870 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
871
872         * configure.ac: Replace custom __GNU_SOURCE test with
873         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
874         * aclocal.m4: Regenerate.
875         * configure: Regenerate.
876         * config.in: Regenerate.
877
878 2008-03-27  Richard Guenther  <rguenther@suse.de>
879
880         * fold-const.c (target.h): Include.
881         (fold_comparison): Fold comparison of addresses of decls
882         that bind locally or of constants.  Consolidate address folding code.
883         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
884         results from fold_binary_to_constant.
885         (compare_values_warnv): Likewise.
886
887 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
888
889         PR middle-end/35429
890         * fold-const.c (fold_truthop): Check for integeral types when folding
891         a == 0 && b == 0 and a != 0 || b != 0 .
892
893 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
894
895         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
896
897 2008-03-26  Andreas Schwab  <schwab@suse.de>
898
899         * doc/invoke.texi: Fix use of @item vs. @itemx.
900
901 2008-03-26  Tom Tromey  <tromey@redhat.com>
902
903         * Makefile.in (build/gensupport.o, build/print-rtl.o,
904         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
905         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
906         build/gencodes.o, build/genconditions.o, build/genconfig.o,
907         build/genconstants.o, build/genemit.o, build/genextract.o,
908         build/genflags.o, build/genmddeps.o, build/genopinit.o,
909         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
910         options.h.
911
912 2008-03-26  Richard Guenther  <rguenther@suse.de>
913
914         Revert
915         2008-03-26  Richard Guenther  <rguenther@suse.de>
916
917         * fold-const.c (target.h): Include.
918         (fold_comparison): Fold comparison of addresses of two decls
919         that bind locally.  Consolidate address folding code.
920
921 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
922
923         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
924         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
925         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
926         dconstsqrt2, dconstthird, dconste and/or dconst10.
927         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
928         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
929         dconstsqrt2, dconste): Delete.
930         (init_emit_once): Likewise.  Simplify initializing dconstm1.
931         Constify variable.
932         * real.c (get_real_const): New.
933         * real.h (dconst3, dconst10, dconstm2, dconstthird,
934         dconstsqrt2, dconste): Delete.
935         (real_value_const, get_real_const): New.
936
937 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
938
939         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
940
941         * config/i386/i386.c (ix86_function_arg_boundary): Check
942         BIGGEST_ALIGNMENT instead of 128.
943         (setup_incoming_varargs_64): Likewise.
944
945 2008-03-26  Tom Tromey  <tromey@redhat.com>
946
947         * Makefile.in (DEPFILES): Add missing '/'.
948
949 2008-03-26  Richard Guenther  <rguenther@suse.de>
950
951         * fold-const.c (target.h): Include.
952         (fold_comparison): Fold comparison of addresses of two decls
953         that bind locally.  Consolidate address folding code.
954
955 2008-03-26  Nick Clifton  <nickc@redhat.com>
956
957         PR target/31232
958         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
959         not allow INT+INT as a legitimate addressing mode.
960
961 2008-03-26  Richard Guenther  <rguenther@suse.de>
962
963         * tree-flow.h (widen_bitfield): Remove declaration.
964         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
965         (widen_bitfield): Remove function.
966         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
967         code.
968
969 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
970
971         PR target/31558
972         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
973         error_mark_node's.
974
975 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
976
977         PR rtl-optimization/35232
978         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
979         (forget_old_reloads_1, forget_marked_reloads): Don't clear
980         reg_reloaded_call_part_clobbered here.
981         (reload_regs_reach_end_p): New function.
982         (reload_reg_rtx_for_input): New variable.
983         (reload_reg_rtx_for_output): Likewise.
984         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
985         when reassigning a pseudo register.  Load reloadreg from 
986         reload_reg_rtx_for_input, moving the mode and register
987         calculation to...
988         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
989         instead of the original when deciding whether an input reload
990         would be a no-op or whether an output reload can be deleted.
991         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
992         when setting up new_spill_reg_store.  Load it from
993         reload_reg_rtx_for_output, moving the mode and register
994         calculation to...
995         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
996         instead of the original when deciding whether an output reload
997         would be a no-op.  Do the same when modifying insn notes.
998         Use rtx_equal_p instead of == to compare the registers.
999         (inherit_piecemeal_p): Take a mode and two register numbers
1000         as argument.
1001         (emit_reload_insns): Clear new_spill_reg_store for every hard
1002         register in the reload register.  Remove spill registers
1003         from reg_reloaded_valid before considering whether to record
1004         inheritance information for them.  Use reload_reg_rtx_for_output
1005         instead of reg_rtx when recording output reloads.  Use
1006         reload_reg_rtx_for_input instead of reg_rtx when recording
1007         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1008         at the same time as setting reg_reloaded_valid.
1009         (delete_output_reload): Add a new_reload_reg parameter and use it
1010         instead of rld[j].reg_rtx.
1011         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1012         calls accordingly.
1013
1014 2008-03-25  Tom Tromey  <tromey@redhat.com>
1015
1016         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1017         (build/genattr.o): Likewise.
1018         (build/genattrtab.o): Likewise.
1019         (build/gencodes.o): Likewise.
1020         (build/genconfig.o): Likewise.
1021         (build/genconstants.o): Likewise.
1022         (build/genemit.o): Likewise.
1023         (build/genextract.o): Likewise.
1024         (build/genflags.o): Likewise.
1025
1026 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1027         
1028         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1029         instead of size_int for integer types.
1030         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1031         to match type of MINUS_EXPR.
1032         
1033 2008-03-25  Tom Tromey  <tromey@redhat.com>
1034
1035         * configure: Rebuilt.
1036         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1037         Makefile.
1038
1039 2008-03-25  Tom Tromey  <tromey@redhat.com>
1040
1041         * config/x-solaris (host-solaris.o): Update.
1042         * config/x-linux (host-linux.o): Update.
1043         * config/x-hpux (host-hpux.o): Update.
1044         * config/x-darwin (host-darwin.o): Update.
1045         * config/v850/t-v850e (v850-c.o): Update.
1046         * config/v850/t-v850 (v850-c.o): Update.
1047         * config/t-vxworks (vxworks.o): Update.
1048         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1049         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1050         * config/spu/t-spu-elf (spu-c.o): Update.
1051         (spu.o): Remove.
1052         * config/sh/t-symbian (sh-c.o): Update.
1053         (symbian.o): Update.
1054         * config/sh/t-sh (sh-c.o): Update.
1055         * config/score/t-score-elf (score7.o, score3.o): Update.
1056         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1057         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1058         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1059         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1060         (rs6000.o): Remove.
1061         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1062         * config/m32c/t-m32c (m32c-pragma.o): Update.
1063         * config/ia64/t-ia64 (ia64-c.o): Update.
1064         * config/i386/x-mingw32 (host-mingw32.o): Update.
1065         * config/i386/x-i386 (driver-i386.o): Update.
1066         * config/i386/x-darwin (host-i386-darwin.o): Update.
1067         * config/i386/x-cygwin (host-cygwin.o): Update.
1068         * config/i386/t-nwld (nwld.o): Update.
1069         * config/i386/t-netware (netware.o): Update.
1070         * config/i386/t-interix (winnt.o): Update.
1071         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1072         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1073         msformat-c.o): Update.
1074         * config/bfin/t-bfin-linux (generated_files): Add
1075         linux-sysroot-suffix.h.
1076         * config/arm/t-wince-pe (pe.o): Update.
1077         * config/arm/t-strongarm-pe (pe.o): Update.
1078         * config/arm/t-pe (pe.o): Update.
1079         * config/arm/t-arm (arm-c.o): Update.
1080         * doc/install.texi (Prerequisites): Require make 3.80.
1081         * Makefile.in: Remove .o targets.
1082         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1083         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1084         (simple_generated_h, simple_generated_c): Move earlier.
1085         (generated_files): New variable.
1086         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1087         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1088         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1089         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1090         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1091         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1092         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1093         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1094         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1095         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1096         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1097         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1098         (.c.o): Remove.
1099         (COMPILE.base, COMPILE): New variables.
1100         (%.o): New pattern rule.
1101         (ALL_HOST_OBJS): New variable.
1102         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1103         (dummy-checksum.o, cc1-checksum.o): Remove.
1104         (DRIVER_SHLIB): New variable.
1105         (DRIVER_DEFINES): Use it.
1106         (gencondmd.c): Move out of build/.
1107         (s-conditions): Update.
1108         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1109         (ALL_BUILD_OBJS): Likewise.
1110         (build/%.o): Use BUILDCOMPILE.
1111         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1112         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1113         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1114         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1115         build/genconfig.o, build/genconstants.o, build/genemit.o,
1116         build/genextract.o, build/genflags.o, build/genmddeps.o,
1117         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1118         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1119         build/gen-protos.o, build/scan.o, build/fix-header.o,
1120         build/scan-decls.o): Simplify.
1121         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1122         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1123         prefix.o, toplev.o): Reduce to variable setting.
1124         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1125         ($(out_object_file), gcc-options.o): New targets.
1126         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1127         * configure: Rebuilt.
1128         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1129         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1130
1131 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1132
1133         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1134         complain when we hit an error, return ERROR_MARK_NODE.
1135
1136 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1137
1138         * config/sh/constraints.md (Pso, Psz): New constraints.
1139         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1140         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1141
1142 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1143
1144         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1145         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1146
1147 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1148
1149         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1150         (prefetch_sh2a): New.   
1151
1152 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1153             Naveen.H.S  <naveen.hs@kpitcummins.com>
1154
1155         * config/sh/constraints.md (I28): New constraint.
1156         * config/sh/sh.c (broken_move): Add support for movi20s.
1157         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1158
1159 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1160             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1161             Naveen.H.S  <naveen.hs@kpitcummins.com>
1162
1163         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1164         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1165         (print_operand): Handle resbank in %@ operand code.
1166         (sh_encode_section_info): New.
1167         (push_regs): Add conditions for resbank.
1168         (sh_expand_epilogue): Likewise.
1169         (sh_insert_attributes): Likewise.
1170         (sh_attribute_table): Likewise.
1171         (sh_handle_resbank_handler_attribute): New.
1172         (sh2a_handle_function_vector_handler_attribute): New.
1173         (sh2a_is_function_vector_call): New.
1174         (sh2a_get_function_vector_number): New.
1175         (sh2a_function_vector_p): New.
1176         (sh_cfun_resbank_handler_p): New.
1177         * config/sh/sh.md (calli): Emit jsr/n if possible.
1178         (calli_tbr_rel): New.
1179         (calli_pcrel): Emit jsr/n if possible.
1180         (return_i): Emit rts/n if possible.
1181         (call_valuei_tbr_rel): New.
1182         (call_valuei_pcrel): Add condition for SH2A target.
1183         (call_value): Likewise.
1184         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1185         (sh2a_get_function_vector_number): Likewise.
1186         (sh2a_is_function_vector_call): Likewise.
1187         * doc/extend.texi: Document TBR relative addressing of SH2A.
1188         (resbank): Add description for SH2A.
1189
1190 2008-03-24  Richard Guenther  <rguenther@suse.de>
1191
1192         PR c/22371
1193         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1194         pointer assignments change conversions according to middle-end rules.
1195         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1196         * configure.ac: Include type checking in yes.
1197         * configure: Regenerate.
1198
1199 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1200
1201         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1202         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1203         
1204 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1205
1206         * gthr-vxworks.h (UNUSED): Define.
1207
1208 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1209
1210         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1211
1212 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1213
1214         * doc/extend.texi (Function Attributes): Add missing comma in the
1215         example of the "alloc_size" attribute.
1216         
1217 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1218
1219         Revert:
1220         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1221
1222         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1223         32bit host.
1224
1225         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1226
1227         PR target/35496
1228         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1229         of the underlying type of a MS bitfield layout to the natural
1230         alignment of the type.
1231
1232         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1233
1234         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1235         to their natural alignment to avoid store forwarding stalls.
1236
1237 2008-03-22  Richard Guenther  <rguenther@suse.de>
1238
1239         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1240         For PHI nodes verify the address is invariant.
1241         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1242         (get_symbol_constant_value): Use is_gimple_min_invariant.
1243         (maybe_fold_stmt_indirect): Likewise.
1244
1245 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1246
1247         PR rtl-optimization/33927
1248         * Makefile.in (dse.o): Depend on $(TM_P_H).
1249         * expr.h (extract_low_bits): Declare.
1250         * expmed.c (extract_low_bits): New function.
1251         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1252         * dse.c: Include tm_p.h.
1253         (find_shift_sequence): Remove the read_reg argument and return the
1254         read value.  Emit the instructions instead of returning them.
1255         Iterate on new_mode rather than calculating it each time.
1256         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1257         source to NEW_MODE and extract_low_bits to convert the shifted
1258         value to READ_MODE.
1259         (replace_read): Allow the load and store to have different mode
1260         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1261         or extraction instructions before trying the replacement.  Update
1262         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1263
1264 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1265
1266         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1267         to their natural alignment to avoid store forwarding stalls.
1268
1269 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1270
1271         PR target/27946
1272         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1273         encouraging but not allowing gprs for input;
1274         change the input constraint to !f#r.
1275         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1276         gprs for output;
1277         change the output constraint to !f#r.
1278
1279 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1280
1281         PR target/13958
1282         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1283         corresponding post-reload splitters.
1284         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1285         when x87 FP math is selected.
1286         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1287         New function prototype.
1288         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1289         unreachable function to ease macroization of insn patterns.
1290
1291 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1292
1293         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1294         reference dumps if ddr is NULL or dependence is unknown.
1295
1296 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1297
1298         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1299         unsigned extension into account.
1300         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1301         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1302         Do computations on a scratch register.
1303
1304 2008-03-21  Richard Guenther  <rguenther@suse.de>
1305
1306         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1307         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1308         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1309         * tree-ssa-dom.c (record_equality): Likewise.
1310         * tree-inline.c (copy_body_r): Likewise.
1311         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1312         TREE_INVARIANT.
1313
1314 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1315
1316         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1317         as 'delete_unused' argument.
1318
1319 2008-03-20  Richard Guenther  <rguenther@suse.de>
1320
1321         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1322         special casing of constant qualifiers.
1323         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1324         care about them in general.
1325         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1326         regardless of their type.
1327         (fold_stmt_r): Forcefully fold *& if we end up with that.
1328
1329 2008-03-20  Paul Brook  <paul@codesourcery.com>
1330
1331         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1332         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1333         linker flags.
1334         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1335         definition.
1336         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1337         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1338
1339 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1340
1341         * common.opt (Wmudflap): New option.
1342         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1343         (mx_register_decls): Likewise.
1344         (mudflap_finish_file): Likewise.
1345         * doc/invoke.texi: Document -Wno-mudflap.
1346
1347 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1348
1349         * c-format.c (replace_format_name_to_system_name): New.
1350         (cmp_attribs): New.
1351         (convert_format_name_to_system_name): New.
1352         (decode_format_attr): Add use of convert_format_name_to_system_name.
1353         (format_types_orig): Add gnu_ prefix to names.
1354         (check_format_info_main): Special treating of \0 escaped names for
1355         supporting multi-character format specifiers as I32, I64.
1356         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1357         (gnu_target_overrides_format_attributes): New.
1358         * c-format.h: Add structure target_ovr_attr to hold
1359         system specific formatter names.
1360         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1361         msformat-c.o file to c_target_objs and cxx_target_objs.
1362         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1363         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1364         (TARGET_N_FORMAT_TYPES): New.
1365         * config/i386/msformat-c.c: New.
1366         * config/i386/t-cygming: Add build rule for msformat-c.o.
1367         * doc/extend.texi: Add new format names gnu_* and ms_* and
1368         further details.
1369         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1370
1371 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1372
1373         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1374         optimizations turned on under -O3.
1375         (ftree-vectorize): Add that the flag is turned on with -O3.
1376
1377 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1378
1379         * regmove.c (try_auto_increment): Fix spelling error in comment.
1380         * final.c (final_scan_insn): Likewise.
1381
1382 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1383
1384         PR target/14552
1385         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1386         allocator preferences for "y" and "r" class registers.
1387         ("*mov<mode>_internal"): Ditto.
1388         ("*movv2sf_internal_rex64"): Ditto.
1389         ("*movv2sf_internal"): Ditto.
1390
1391 2008-03-19  Michael Matz  <matz@suse.de>
1392
1393         PR middle-end/35616
1394         * calls.c (expand_call): Check overlap of arguments with call
1395         address for sibcalls.
1396
1397 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1398
1399         PR target/35496
1400         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1401         of the underlying type of a MS bitfield layout to the natural
1402         alignment of the type.
1403
1404 2008-03-19  Jan Hubicka  <jh@suse.cz>
1405
1406         PR other/35094
1407         * toplev.c (decode_d_option): Handle all CPP flags.
1408         * tree-vrp.c: Update tree_pass descriptors.
1409         * regrename.c: Update tree_pass descriptors.
1410         * fwprop.c: Update tree_pass descriptors.
1411         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1412         * tree-into-ssa.c: Update tree_pass descriptors.
1413         * tree-dump.c: Update tree_pass descriptors.
1414         * tree-complex.c: Update tree_pass descriptors.
1415         * tree-dump.h: Update tree_pass descriptors.
1416         * see.c: Update tree_pass descriptors.
1417         * cgraphbuild.c: Update tree_pass descriptors.
1418         * tracer.c: Update tree_pass descriptors.
1419         * tree-loop-distribution.c: Update tree_pass descriptors.
1420         * cgraph.c: Update tree_pass descriptors.
1421         * postreload-gcse.c: Update tree_pass descriptors.
1422         * postreload.c: Update tree_pass descriptors.
1423         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1424         * tree-tailcall.c: Update tree_pass descriptors.
1425         * tree-pass.h (tree_opt_pass): Rename to ...
1426         (opt_pass) ... this one; add "type" field and remove letter field.
1427         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1428         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1429         all_lowering_passes): Update declaration.
1430         * ipa-cp.c: Update tree_pass descriptors.
1431         * final.c: Update tree_pass descriptors.
1432         * omp-low.c: Update tree_pass descriptors.
1433         * tree-ssa-dse.c: Update tree_pass descriptors.
1434         * ipa-reference.c: Update tree_pass descriptors.
1435         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1436         * auto-inc-dec.c: Update tree_pass descriptors.
1437         * reorg.c: Update tree_pass descriptors.
1438         * cgraphunit.c: Update tree_pass descriptors.
1439         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1440         * tree-ssa-ccp.c: Update tree_pass descriptors.
1441         * df-core.c: Update tree_pass descriptors.
1442         * mode-switching.c: Update tree_pass descriptors.
1443         * tree-nomudflap.c: Update tree_pass descriptors.
1444         * modulo-sched.c: Update tree_pass descriptors.
1445         * ipa-pure-const.c: Update tree_pass descriptors.
1446         * cse.c: Update tree_pass descriptors.
1447         * web.c: Update tree_pass descriptors.
1448         * tree-stdarg.c: Update tree_pass descriptors.
1449         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1450         * tree-ssa-dom.c: Update tree_pass descriptors.
1451         * tree-nrv.c: Update tree_pass descriptors.
1452         * tree-ssa-alias.c: Update tree_pass descriptors.
1453         * loop-init.c: Update tree_pass descriptors.
1454         * gimple-low.c: Update tree_pass descriptors.
1455         * ipa-inline.c: Update tree_pass descriptors.
1456         * tree-ssa-sink.c: Update tree_pass descriptors.
1457         * global.c: Update tree_pass descriptors.
1458         * ifcvt.c: Update tree_pass descriptors.
1459         * jump.c: Update tree_pass descriptors.
1460         * predict.c: Update tree_pass descriptors.
1461         * tree-ssa-loop.c: Update tree_pass descriptors.
1462         * recog.c: Update tree_pass descriptors.
1463         * dse.c: Update tree_pass descriptors.
1464         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1465         * tree-eh.c: Update tree_pass descriptors.
1466         * regmove.c: Update tree_pass descriptors.
1467         * local-alloc.c
1468         * function.c: Update tree_pass descriptors.
1469         * tree-vectorizer.c: Update tree_pass descriptors.
1470         * gcse.c: Update tree_pass descriptors.
1471         * ipa-type-escape.c: Update tree_pass descriptors.
1472         * tree-if-conv.c: Update tree_pass descriptors.
1473         * init-regs.c: Update tree_pass descriptors.
1474         * ipa.c: Update tree_pass descriptors.
1475         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1476         * rtl-factoring.c: Update tree_pass descriptors.
1477         * lower-subreg.c: Update tree_pass descriptors.
1478         * bt-load.c: Update tree_pass descriptors.
1479         * tree-dfa.c: Update tree_pass descriptors.
1480         * except.c: Update tree_pass descriptors.
1481         * emit-rtl.c: Update tree_pass descriptors.
1482         * cfgexpand.c: Update tree_pass descriptors.
1483         * tree-cfgcleanup.c: Update tree_pass descriptors.
1484         * cfgcleanup.c: Update tree_pass descriptors.
1485         * tree-ssa-pre.c: Update tree_pass descriptors.
1486         * tree-sra.c: Update tree_pass descriptors.
1487         * tree-mudflap.c: Update tree_pass descriptors.
1488         * tree-ssa-copy.c: Update tree_pass descriptors.
1489         * cfglayout.c: Update tree_pass descriptors.
1490         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1491         * tree-ssa-dce.c: Update tree_pass descriptors.
1492         * tree-ssa.c: Update tree_pass descriptors.
1493         * regclass.c: Update tree_pass descriptors.
1494         * integrate.c: Update tree_pass descriptors.
1495         * tree-optimize.c: Update tree_pass descriptors.
1496         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1497         * tree-object-size.c: Update tree_pass descriptors.
1498         * combine.c: Update tree_pass descriptors.
1499         * tree-outof-ssa.c: Update tree_pass descriptors.
1500         * bb-reorder.c: Update tree_pass descriptors.
1501         * stack-ptr-mod.c: Update tree_pass descriptors.
1502         * var-tracking.c: Update tree_pass descriptors.
1503         * tree-profile.c: Update tree_pass descriptors.
1504         * tree-vect-generic.c: Update tree_pass descriptors.
1505         * reg-stack.c: Update tree_pass descriptors.
1506         * sched-rgn.c: Update tree_pass descriptors.
1507         * tree-ssa-structalias.c: Update tree_pass descriptors.
1508         * tree-cfg.c: Update tree_pass descriptors.
1509         * passes.c (current_pass): Update declaration.
1510         (finish_optimization_passes): Update.
1511         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1512         (register_one_dump_file, register_dump_files_1, next_pass_1):
1513         Update arguments.
1514         (init_optimization_passes): Update handling of new types.
1515         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1516         * ipa-struct-reorg.c: Update tree_pass descriptors.
1517         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1518         * combine-stack-adj.c: Update tree_pass descriptors.
1519         * cfgrtl.c: Update tree_pass descriptors.
1520         * dce.c: Update tree_pass descriptors.
1521         * tree-ssanames.c: Update tree_pass descriptors.
1522
1523 2008-03-19  Richard Guenther  <rguenther@suse.de>
1524
1525         PR middle-end/35609
1526         * tree-ssa.c (walk_data): New structure.
1527         (warn_uninitialized_var): If not always_executed warn with "maybe"
1528         instead of "is".
1529         (execute_early_warn_uninitialized): Compute post-dominators.
1530         Initialize always_executed before processing each basic block.
1531
1532 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1533
1534         PR target/35504
1535         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1536         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1537
1538 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1539
1540         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1541
1542 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1543
1544         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1545         is true.
1546         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1547         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1548         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1549         target after ignore has been set, and move there also the commputation
1550         of subtarget and original_target.
1551         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1552         (LANG_HOOKS_INITIALIZER): Remove it.
1553         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1554
1555 2008-03-18  Richard Guenther  <rguenther@suse.de>
1556
1557         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1558         found an expression with constants, note that in the VN for the lhs.
1559         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1560         fold them to constants if possible.  Run cleanup_cfg if done so.
1561         (execute_pre): Return todo.
1562         (do_pre): Likewise.
1563         (execute_fre): Likewise.
1564         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1565         of constants.
1566         (get_prop_source_stmt): Look through pointer conversions.
1567
1568 2008-03-18  Jan Hubicka  <jh@suse.cz>
1569
1570         * tree-pretty-print.c: Include predict.h.
1571         (dump_generic_node): Dump predictor.
1572         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1573         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1574         * gimple-low.c (lower_stmt): Likewise.
1575         * expr.c (expand_expr_real): Likewise.
1576         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1577         them.
1578         (build_predict_expr, build_predict_expr): New.
1579         * predict.h (predictor_name, build_predict_expr): Update.
1580         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1581         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1582         * predict.def (PRED_CONTINUE): Update hitrate.
1583         * tree.def (PREDICT_EXPR): Define.
1584         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1585         do not handle BIND_EXPR.
1586         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1587         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1588         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1589         operands.
1590
1591 2008-03-18  Michael Matz  <matz@suse.de>
1592
1593         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1594
1595 2008-03-18  Richard Guenther  <rguenther@suse.de>
1596
1597         * tree-gimple.h (is_gimple_invariant_address): Declare.
1598         (is_gimple_constant): Likewise.
1599         * tree-gimple.c (is_gimple_constant): New function.
1600         (is_gimple_invariant_address): Likewise.
1601         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1602         and is_gimple_invariant_address.
1603         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1604         previous change.
1605         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1606         an addressable base.
1607
1608 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1609
1610         PR middle-end/35611
1611         * gimplify.c (gimplify_expr): Gimplify second operand of
1612         OMP_ATOMIC_LOAD.
1613
1614 2008-03-17  Richard Guenther  <rguenther@suse.de>
1615
1616         PR tree-optimization/19637
1617         * fold-const.c (fold_unary): Remove restrictions of removing
1618         intermediate pointer-conversions (P2)(P1)P0.
1619         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1620         conversion to void pointer.
1621         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1622
1623 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1624
1625         PR debug/31510
1626         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1627         emulated thread local variables.
1628
1629 2008-03-16  Richard Guenther  <rguenther@suse.de>
1630
1631         PR middle-end/35607
1632         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1633         expand TREE_INVARIANT operations that are not gimple invariant.
1634
1635 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1636
1637         * doc/extend.texi (Alignment): Say that the ABI controls
1638         the __alignof__ for non-strict-alignment targets rather
1639         than being a recommendation.
1640
1641 2008-03-15  Paul Brook  <paul@codesourcery.com>
1642
1643         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1644         annotations.
1645         (arm_output_fn_unwind): Mark functions that can not be unwound.
1646
1647 2008-03-15  Paul Brook  <paul@codesourcery.com>
1648
1649         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1650         extension instructions.
1651
1652 2008-03-15  Richard Guenther  <rguenther@suse.de>
1653
1654         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1655         and fold constant aggregate refs.
1656         (fold_const_aggregate_ref): Handle string constants
1657         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1658         (evaluate_stmt): Simplify now that ccp_fold folds constant
1659         aggregate refs.
1660
1661 2008-03-15  Paul Brook  <paul@codesourcery.com>
1662
1663         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1664         (extzv): Use gen_extzv_t2.
1665         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1666
1667 2008-03-15  Richard Guenther  <rguenther@suse.de>
1668
1669         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1670         (fold_const_aggregate_ref): Likewise.
1671         (get_value): Return NULL if we don't have any values.
1672         (ccp_finalize): Set const_val to NULL after freeing it.
1673         * tree-flow.h (get_symbol_constant_value): Declare.
1674         (fold_const_aggregate_ref): Likewise.
1675         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1676
1677 2008-03-15  Richard Guenther  <rguenther@suse.de>
1678
1679         PR middle-end/35593
1680         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1681         to not produce negative array indices if not allowed.  Add
1682         parameter to indicate that.
1683         (maybe_fold_offset_to_component_ref): Allow negative array
1684         indices only for the first member of a structure.
1685         (maybe_fold_offset_to_reference): Allow negative array indices.
1686         (maybe_fold_stmt_addition): Likewise.
1687
1688 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1689             Anatoly Sokolov <aesok@post.ru>
1690
1691         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1692         (avr_arch): Add ARCH_AVR6.
1693         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1694         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1695         instead of fixed value 2.
1696         (print_operand_address): Use gs() asm specifier instead of pm().
1697         (avr_assemble_integer): (Ditto.).
1698         (avr_output_addr_vec_elt): (Ditto.).
1699         (print_operand): Handle "!" code.
1700         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1701         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1702         (AVR_HAVE_EIJMP_EICALL): Define.
1703         (AVR_3_BYTE_PC): Redefine.
1704         (AVR_2_BYTE_PC): (Ditto.).
1705         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1706         (LINK_SPEC): Add atmega2560 and atmega2561.
1707         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1708         (crtm2561.o).
1709         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1710         for 3 byte PC devices.
1711         (call_value_insn): (Ditto.).
1712         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1713         (indirect_jump): Use only for for 2 byte PC devices.
1714         (*tablejump): (Ditto.).
1715         (*indirect_jump_avr6): Add insn.
1716         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1717         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1718         instead of ijmp for 3 byte PC devices.
1719         (__tablejump2__): (Ditto.).
1720         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1721         (MULITLIB_DIRNAMES): (Ditto.). 
1722         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1723
1724 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1725
1726         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1727         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1728         ("mmx_psadbw"): Use V1DI mode for operand 0.
1729         * config/i386/i386-modes.def (V1SI): New vector mode.
1730         * config/i386/i386.c (struct builtin_description)
1731         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1732         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1733         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1734         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1735         v1di_ftype_v8qi_v8qi type.
1736         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1737
1738         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1739         __builtin_ia32_pmuludq]: Fix the mode of return value.
1740
1741 2008-03-15  Richard Guenther  <rguenther@suse.de>
1742
1743         PR middle-end/35595
1744         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1745         being a PHI_NODE.
1746
1747 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1748         
1749         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1750         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1751         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1752         unless TARGET_SERIALIZE_VOLATILE is enabled.
1753         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1754         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1755         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1756
1757 2008-03-14  Richard Guenther  <rguenther@suse.de>
1758
1759         PR tree-optimization/34172
1760         * tree-flow.h (refs_may_alias_p): Declare.
1761         (get_single_def_stmt): Likewise.
1762         (get_single_def_stmt_from_phi): Likewise.
1763         (get_single_def_stmt_with_phi): Likewise.
1764         * tree-dfa.c (refs_may_alias_p): New function.
1765         (get_single_def_stmt): Likewise.
1766         (get_single_def_stmt_from_phi): Likewise.
1767         (get_single_def_stmt_with_phi): Likewise.
1768         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1769         (vn_reference_lookup_1): New helper function.
1770         (vn_reference_lookup): Walk the virtual use-def chain to
1771         continue searching for a match if the def does not alias the
1772         reference we are looking for.
1773
1774 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1775
1776         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1777         archive and Perzl.  Update The Written Word listing.
1778
1779 2008-03-14  Richard Guenther  <rguenther@suse.de>
1780
1781         PR tree-optimization/34043
1782         PR tree-optimization/33989
1783         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1784         when doing FRE.
1785         (bitmap_find_leader): Use extra argument to verify dominance
1786         relationship inside a basic-block.
1787         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1788         (find_leader_in_sets): Adjust.
1789         (create_component_ref_by_pieces): Take extra argument for
1790         dominance check, handle lookup failures.
1791         (find_or_generate_expression): Likewise.
1792         (create_expression_by_pieces): Likewise.
1793         (insert_into_preds_of_block): Adjust.
1794         (create_value_expr_from): If asked for, verify all operands
1795         are in the blocks AVAIL_OUT set.
1796         (make_values_for_stmt): Check for SSA_NAMEs that are life
1797         over an abnormal edge.
1798         (compute_avail): Remove such check.
1799         (do_SCCVN_insertion): New function.
1800         (eliminate): If we do not find a leader suitable for replacement
1801         insert a replacement expression from SCCVN if available.
1802         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1803         (struct vn_ssa_aux): Add needs_insertion flag.
1804         * tree-ssa-sccvn.c (may_insert): New global flag.
1805         (copy_reference_ops_from_ref): Value-number union member access
1806         based on its size, not type and member if insertion is allowed.
1807         (visit_reference_op_load): For a weak match from union type
1808         punning lookup a view-converted value and insert a SSA_NAME
1809         for that value if that is not found.
1810         (visit_use): Make dumps shorter.  Do not disallow value numbering
1811         SSA_NAMEs that are life over an abnormal edge to constants.
1812         (free_scc_vn): Release inserted SSA_NAMEs.
1813         (run_scc_vn): New flag to specify whether insertion is allowed.
1814         Process SSA_NAMEs in forward order.
1815         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1816         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1817         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1818         pointer type to/from integral types that do not change the
1819         precision to regular conversions.
1820
1821 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1822
1823         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1824         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1825         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1826         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1827         input arguments and the mode of return value.  Built-in functions
1828         that operate on whole 64-bit MMX register now use V1DI mode.
1829
1830 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1831             Olga Golovanevsky  <olga@il.ibm.com>
1832
1833         PR tree-optimization/35041
1834         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1835         to locate the right position in a statement.
1836
1837 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1838
1839         PR target/34000
1840         PR target/35553
1841         * config/i386/xmmintrin.h:  Change all static inline functions to
1842         extern inline and add __gnu_inline__ attribute.
1843         * config/i386/bmintrin.h: Ditto.
1844         * config/i386/smmintrin.h: Ditto.
1845         * config/i386/tmmintrin.h: Ditto.
1846         * config/i386/mmintrin-common.h: Ditto.
1847         * config/i386/ammintrin.h: Ditto.
1848         * config/i386/emmintrin.h: Ditto.
1849         * config/i386/pmmintrin.h: Ditto.
1850         * config/i386/mmintrin.h: Ditto.
1851         * config/i386/mm3dnow.h: Ditto.
1852
1853 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1854
1855         PR middle-end/35185
1856         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1857         (lower_omp_2): New function.
1858         (lower_omp_1, lower_omp): Rewritten.
1859
1860 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1861
1862         PR 35054
1863         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1864         with the phrase "Microsoft Windows compilers".
1865         (Push/Pop Macro Pragmas): New subsection. Document
1866         #pragma push_macro and pragma pop_macro.
1867
1868 2008-03-12  Paul Brook  <paul@codesourcery.com>
1869
1870         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1871
1872 2008-03-12  Paul Brook  <paul@codesourcery.com>
1873
1874         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1875         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1876         (thumb2_addsi_shortim): Rename ...
1877         (thumb2_addsi_short): ... to this.  Allow register operands.
1878         (thumb2_subsi_short): New pattern.
1879         (thumb2_one_cmplsi2_short,
1880         thumb2_negsi2_short): New patterns and peepholes.
1881
1882 2008-03-12  Paul Brook  <paul@codesourcery.com>
1883
1884         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1885
1886 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1887
1888         * config/i386/i386.md (int_cond): New code iterator.
1889         (fp_cond): Ditto.
1890         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1891         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1892         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1893         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1894         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1895         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1896         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1897         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1898
1899 2008-03-12  Paul Brook  <paul@codesourcery.com>
1900
1901         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1902         instead of {arm,thumb}_compute_save_reg_mask.
1903         (output_return_instruction): Ditto.
1904         (thumb_unexpanded_epilogue): Ditto.
1905         (thumb1_expand_prologue): Ditto.
1906         (thumb1_output_function_prologue): Ditto.
1907         (arm_set_return_address): Ditto.
1908         (thumb_set_return_address): Ditto.
1909         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1910         regs to achieve stack alignment.
1911         (thumb1_compute_save_reg_mask): Fix compiler warning.
1912         (arm_output_epilogue): Use offsets->saved_regs_mask.
1913         Adjust stack pointer by poping call clobered registers.
1914         (arm_expand_prologue): Use offsets->saved_regs_mask.
1915         Adjust stack pointer by pushing extra registers.
1916         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1917
1918 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1919
1920         PR tree-opt/35422
1921         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1922         conversion to the operands of a multiplication.
1923
1924 2008-03-12  Richard Guenther  <rguenther@suse.de>
1925
1926         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1927         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1928         * timevar.def (TV_TREE_PHIPROP): Add.
1929         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1930         pass description.  Use TV_TREE_PHIPROP.
1931         * tree-ssa-forwprop.c: Remove phiprop code.
1932
1933 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1934
1935         PR middle-end/35549
1936         * omp-low.c (maybe_lookup_decl): Constify first argument.
1937         (use_pointer_for_field): Change last argument from bool to
1938         omp_context *.  Disallow shared copy-in/out in nested
1939         parallel if decl is shared in outer parallel too.
1940         (build_outer_var_ref, scan_sharing_clauses,
1941         lower_rec_input_clauses, lower_copyprivate_clauses,
1942         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1943
1944 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1945             Ira Rosen  <irar@il.ibm.com>
1946
1947         * tree-vectorizer.c (free_stmt_vec_info): New function.
1948         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1949         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1950         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1951         * tree-vect-transform.c (vectorizable_conversion): Free
1952         vec_oprnds0 if it was allocated.
1953         (vect_permute_store_chain): Remove unused VECs.
1954         (vectorizable_store): Free VECs that are allocated in the..
1955         function.
1956         (vect_transform_strided_load, vectorizable_load): Likewise.
1957         (vect_remove_stores): Simplify the code.
1958         (vect_transform_loop): Move code to vect_remove_stores().
1959         Call vect_remove_stores() and free_stmt_vec_info().
1960
1961 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1962
1963         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1964         TARGET_HPUX.  Revise comment.
1965         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1966         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1967         Use sr4 variant of `be' instruction when not generating PIC code.
1968         (attr_length_call): Adjust for above change.
1969
1970 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1971
1972         * ipa-reference.c (static_execute): Remove module_statics_const and
1973         associated setting code.
1974
1975 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1976
1977         PR target/35540
1978         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1979         predicate for operand 1.
1980         (paritysi2_cmp): Use register_operand predicate for operand 2.
1981         Use earlyclobber modifier for operand 1.  Remove support for
1982         memory operands.
1983         (paritydi2_cmp): Use register_operand predicate for operand 3.
1984         Use earlyclobber modifier for operand 1.  Remove support for
1985         memory operands.
1986
1987 2008-03-11  Paul Brook  <paul@codesourcery.com>
1988             Vladimir Prus  <vladimir@codesourcery.com>
1989
1990         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1991         (arm_compute_save_reg0_reg12_mask): Always
1992         check if register 11 must be saved.  Always safe hard frame pointer
1993         when frame_pointer_needeed.
1994         (arm_compute_save_reg_mask): Save IP and PC
1995         only with apcs frames.
1996         (arm_output_epilogue): Adjust Thumb2 codepath to
1997         be also invoked and work for ARM non-apcs frames.
1998         (arm_expand_prologue): Don't bother saving IP
1999         for non-apcs frame, since it's not clobbered by
2000         prologue code.  Implement non-apcs frame
2001         layout.
2002
2003 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2004
2005         PR rtl-optimization/35281
2006         * expr.c (convert_move): Use a new pseudo for the intermediate
2007         from_mode->word_mode result.
2008
2009 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2010
2011         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2012         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2013         * toplev.c (compile_file): Don't call it.
2014
2015 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2016
2017         PR middle-end/35526
2018         * expr.c (store_expr): Call emit_block_move if the mode
2019         of "temp" RTX is BLKmode.
2020
2021 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2022             Richard Guenther  <rguenther@suse.de>
2023
2024         PR tree-optimization/31358
2025         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2026         the step with a NULL_TREE.
2027         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2028         to sizetype if type is a pointer type.
2029         (add_candidate_1): Don't convert the base and step to
2030         the generic type if the orginal type is a pointer type.
2031         (add_iv_value_candidates): Use sizetype for the step
2032         if type is a pointer type.
2033         (cand_value_at): Likewise.
2034         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2035         for pointer types.
2036         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2037         Don't convert the tem affine to the type.
2038         (add_elt_to_tree): Use sizetype for the step if a pointer.
2039         Use POINTER_PLUS_EXPR for pointers.
2040         (aff_combination_to_tree): Use sizetype for the step if a
2041         pointer.
2042
2043 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2044
2045         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2046         Remove commutativity hint.
2047
2048 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2049
2050         PR c/35438
2051         PR c/35439
2052         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2053         errorneous type.  Check that v is a VAR_DECL.
2054
2055         PR middle-end/35099
2056         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2057
2058 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2059
2060         PR tree-optimization/35494
2061         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2062         may be overriden at link and run time.
2063
2064 2008-03-10  Richard Guenther  <rguenther@suse.de>
2065
2066         PR tree-optimization/34677
2067         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2068         (poolify_tree): Likewise.
2069         (modify_expr_template): Likewise.
2070         (poolify_modify_stmt): Likewise.
2071         (insert_fake_stores): Handle all component-ref style stores
2072         in addition to INDIRECT_REF.  Also handle complex types.
2073         Do not poolify the inserted load.
2074         (realify_fake_stores): Do not rebuild the tree but only
2075         make it a SSA_NAME copy.
2076         (init_pre): Remove initialzation of modify_expr_template.
2077         Do not allocate modify_expr_node_pool.
2078         (fini_pre): Do not free modify_expr_node_pool.
2079
2080 2008-03-10  Paul Brook  <paul@codesourcery.com>
2081
2082         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2083         to avoid conflicts.
2084
2085 2008-03-10  Paul Brook  <paul@codesourcery.com>
2086             Mark Shinwell  <shinwell@codesourcery.com>
2087
2088         * config/arm/cortex-r4.md: New.
2089         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2090         insn attributes.
2091         * config/arm/arm.md: Include cortex-r4.md.
2092         (insn): Add smmls, sdiv and udiv values.
2093         (generic_sched): Don't use generic scheduling for Cortex-R4.
2094         (arm_issue_rate): New function.
2095         (TARGET_SCHED_ISSUE_RATE): Define.
2096
2097 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2098
2099         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2100
2101 2008-03-10  Richard Guenther  <rguenther@suse.de>
2102
2103         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2104         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2105
2106 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2107
2108         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2109         Set default to true.
2110
2111 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2112
2113         * c.opt (Wsynth): Deprecate.
2114         * doc/invoke.texi (Option Summary, Warning Options): Document
2115         -Wno-format-contains-nul.
2116
2117 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2118
2119         PR target/35496
2120         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2121         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2122
2123 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2124
2125         * config/rs6000/rs6000.c (builtin_description): Rename vector
2126         left shift operations.
2127         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2128         (altivec_vsl<VI_char>): Rename to ...
2129         (ashl<mode>3): ... new name.
2130         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2131         gen_ashlv4si3.
2132         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2133
2134 2008-03-08  Richard Guenther  <rguenther@suse.de>
2135
2136         * coverage.h (tree_coverage_counter_addr): Declare.
2137         * coverage.c (tree_coverage_counter_addr): New function.
2138         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2139         before using again.
2140         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2141         (tree_gen_one_value_profiler): Likewise.
2142         (tree_gen_ic_profiler): Likewise.
2143         (tree_gen_average_profiler): Likewise.
2144         (tree_gen_ior_profiler): Likewise.
2145
2146 2008-03-08  Richard Guenther  <rguenther@suse.de>
2147
2148         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2149         (vn_binary_op_insert): Likewise.
2150         (vn_unary_op_lookup): Likewise.
2151         (vn_unary_op_insert): Likewise.
2152         (vn_nary_op_lookup): Declare.
2153         (vn_nary_op_insert): Likewise.
2154         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2155         and binary hashes, use a single obstack for unary_op_pool
2156         and binary_op_pool.
2157         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2158         a single struct vn_nary_op_s.  Store tree code length and
2159         a variable number of operands.
2160         (struct vn_reference_op_struct): Remove unused op2.
2161         (vn_reference_op_eq): Do not compare op2.
2162         (vn_reference_op_compute_hash): Do not compute hash of op2.
2163         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2164         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2165         with vn_nary_op_compute_hash.
2166         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2167         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2168         vn_nary_op_lookup.
2169         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2170         vn_nary_op_insert.
2171         (visit_unary_op): Call nary functions.
2172         (visit_binary_op): Likewise.
2173         (process_scc): Adjust for struct vn_tables_s changes.
2174         (allocate_vn_table): Likewise.
2175         (free_vn_table): Likewise.
2176         * tree-vn.c (vn_add): Call nary functions.
2177         (vn_lookup): Likewise.
2178
2179 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2180
2181         PR target/35498
2182         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2183         wdst back after sync_compare_and_swapqhi_internal.
2184
2185 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2186
2187         PR target/22152
2188         * config/i386/i386-modes.def (V1DI): New vector mode.
2189         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2190         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2191         (MMXMODE248): Ditto.
2192         (MMXMODE): Add V1DI mode.
2193         (mmxvecsize): Change DI mode to V1DI mode.
2194         ("mov<mode>): Use MMXMODEI8 mode iterator.
2195         ("*mov<mode>_internal_rex64"): Ditto.
2196         ("*mov<mode>_internal"): Ditto.
2197         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2198         ("mmx_sub<mode>3"): Ditto.
2199         ("mmx_adddi3"): Remove insn pattern.
2200         ("mmx_subdi3"): Ditto.
2201         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2202         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2203         ("mmx_ashl<mode>3"): Ditto.
2204         ("mmx_lshrdi3"): Remove insn pattern.
2205         ("mmx_ashldi3"): Ditto.
2206         * config/i386/i386.c (classify_argument): Handle V1DImode.
2207         (function_arg_advance_32): Ditto.
2208         (function_arg_32): Ditto.
2209         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2210         mmx_addv1di3 insn pattern.
2211         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2212         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2213         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2214         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2215         Remove definitions of built-in functions.
2216         (V1DI_type_node): New node.
2217         (v1di_ftype_v1di_int): Ditto.
2218         (v1di_ftype_v1di_v1di): Ditto.
2219         (v2si_ftype_v2si_si): Ditto.
2220         (v4hi_ftype_v4hi_di): Remove node.
2221         (v2si_ftype_v2si_di): Ditto.
2222         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2223         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2224         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2225         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2226         Add new builtins using def_builtin_const.
2227         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2228         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2229         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2230         * config/i386/mmintrin.h (__v1di): New typedef.
2231         (_mm_add_si64): Cast arguments to __v1di type.
2232         (_mm_sub_si64): Ditto.
2233         (_mm_sll_pi16): Cast __count to __v4hi type.
2234         (_mm_sll_pi32): Cast __count to __v2si type.
2235         (_mm_sll_si64): Cast arguments to __v1di type.
2236         (_mm_srl_pi16): Cast __count to __v4hi type.
2237         (_mm_srl_pi32): Cast __count to __v2si type.
2238         (_mm_srl_si64): Cast arguments to __v1di type.
2239         (_mm_sra_pi16): Cast __count to __v4hi type.
2240         (_mm_sra_pi32): Cast __count to __v2si type.
2241         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2242         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2243         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2244         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2245         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2246         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2247         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2248         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2249         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2250         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2251         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2252         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2253
2254 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2255
2256         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2257
2258 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2259
2260         PR target/35373
2261         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2262         reg+const addressing for Altivec modes.  Don't generate reg+reg
2263         addressing for TFmode or TDmode quantities.
2264
2265 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2266
2267         * c-common.c (vector_types_convertible_p): Call langhook
2268         instead of comptypes.
2269
2270 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2271
2272         PR tree-opt/35402
2273         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2274         integral and scalar float variables which have a
2275         NULL DECL_INITIAL.
2276
2277 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2278
2279         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2280         dwarf_register_span hook when emitting unwind information for
2281         register-to-memory saves.
2282         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2283         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2284
2285 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2286
2287         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2288         for the same VAR_DECL.
2289
2290 2008-03-06  Tom Tromey  <tromey@redhat.com>
2291
2292         * treelang: Delete.
2293         * doc/standards.texi (Standards): Don't mention treelang.
2294         * doc/invoke.texi (Overall Options): Don't mention treelang.
2295         * doc/install.texi (Prerequisites): Don't mention bison or
2296         treelang.
2297         (Configuration): Don't mention treelang.
2298         (Building): Likewise.
2299         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2300
2301 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2302
2303         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2304         word-extractions out of a multi-word object.
2305
2306 2008-03-06  Richard Guenther  <rguenther@suse.de>
2307
2308         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2309         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2310         result type and precision.
2311         * expr.c (get_inner_reference): Set unsignedp based on the result
2312         type of BIT_FIELD_REF.
2313         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2314         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2315         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2316         for BIT_FIELD_REF.
2317         (sra_build_assignment): Likewise.
2318         (sra_build_elt_assignment): Likewise.
2319         (sra_explode_bitfield_assignment): Likewise.
2320         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2321         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2322         set BIT_FIELD_REF_UNSIGNED.
2323         (vectorizable_load): Likewise.
2324
2325 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2326
2327         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2328         at bb start.
2329
2330 2008-03-06  Richard Guenther  <rguenther@suse.de>
2331
2332         * alias.c (struct alias_set_entry): Move has_zero_child field
2333         to pack with alias_set.
2334
2335 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2336
2337         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2338         32bit host.
2339
2340 2008-03-05  Ian Lance Taylor  <iant@google.com>
2341
2342         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2343
2344 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2345
2346         * fwprop.c (update_df): Support width and offset parameters of
2347         df_ref_create.
2348         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2349         global_conflicts): Change DF_REF_EXTRACT to either
2350         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2351         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2352         * df-scan.c (df_ref_record, df_defs_record,
2353         df_ref_create_structure, df_def_record_1, df_uses_record,
2354         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2355         df_bb_refs_collect, df_entry_block_defs_collect,
2356         df_exit_block_uses_collect): Support new width and offset fields.
2357         (ref_extract_pool): New storage pool.
2358         (df_free_ref): New function.
2359         (df_reg_chain_unlink, df_free_collection_rec,
2360         df_sort_and_compress_refs): Call df_free_ref.
2361         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2362         of df_ref_extract.
2363         (df_ref_create_structure): Allocate df_ref_extract if offset and
2364         width fields are used.
2365         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2366         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2367         and SIGN_EXTRACT.
2368         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2369         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2370         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2371         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2372         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2373         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2374         (df_ref_extract): New structure.
2375         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2376         (df_ref_create): Add width and offset parameters.
2377         
2378 2008-03-05  Richard Guenther  <rguenther@suse.de>
2379
2380         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2381         Use ranges_overlap_p.
2382         (offset_overlaps_with_access): Rename
2383         to ranges_overlap_p and move ...
2384         * tree-flow-inline.h (ranges_overlap_p): ... here.
2385
2386         * tree.h (get_inner_reference, handled_component_p): Update
2387         comments.
2388
2389         * tree.h (record_component_aliases, get_alias_set,
2390         alias_sets_conflict_p, alias_sets_must_conflict_p,
2391         objects_must_conflict_p): Move declarations ...
2392         * alias.h (record_component_aliases, get_alias_set,
2393         alias_sets_conflict_p, alias_sets_must_conflict_p,
2394         objects_must_conflict_p): ... here.
2395         Include coretypes.h.
2396         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2397
2398 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2399
2400         * cfg.c: Include tree-flow.h.
2401         (remove_edge_raw): Call redirect_edge_var_map_clear.
2402         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2403         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2404         (redirect_edge_var_map_result): New.
2405         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2406         PENDING_STMT use with redirect_edge_var_map_*.
2407         * tree-ssa.c (edge_var_maps): New definition.
2408         (redirect_edge_var_map_add): New.
2409         (redirect_edge_var_map_clear): New.
2410         (redirect_edge_var_map_dup): New.
2411         (redirect_edge_var_map_vector): New.
2412         (redirect_edge_var_map_destroy): New.
2413         (ssa_redirect_edge): Replace PENDING_STMT use with
2414         redirect_edge_var_map_*.
2415         (flush_pending_stmts): Same.
2416         (delete_tree_ssa): Destroy edge var map.
2417         * tree-flow.h (struct _edge_var_map): New.
2418         Define edge_var_map vector type.
2419         Declare redirect_edge_var_map_* prototypes.
2420         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2421         * tree-cfg.c (reinstall_phi_args): Replace
2422         PENDING_STMT use with redirect_edge_var_map_*.
2423
2424 2008-03-05  Richard Guenther  <rguenther@suse.de>
2425
2426         PR tree-optimization/35472
2427         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2428         whose single use_stmt has a overlapping set of loaded and
2429         stored symbols as that use_stmt might be a noop assignment then.
2430
2431 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2432
2433         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2434
2435 2008-03-05  Richard Guenther  <rguenther@suse.de>
2436
2437         PR c++/35336
2438         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2439         should be constants.
2440         * tree-cfg.c (verify_expr): Verify it.
2441         * fold-const.c (fold_truthop): Remove code generating
2442         BIT_FIELD_REFs of structure bases.
2443         (fold_binary): Likewise.
2444         (fold_ternary): Position and size of BIT_FIELD_REFs are
2445         always host integers.
2446         (make_bit_field_ref): Remove.
2447         (optimize_bit_field_compare): Remove.
2448         (all_ones_mask_p): Remove.
2449
2450 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2451
2452         PR gcc/33009
2453         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2454         (split_block_and_df_analyze): New. Split basic block and rebuild
2455         dataflow.
2456         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2457         SPLIT_BLOCK.
2458         (split_pattern_seq): Likewise.
2459         (erase_matching_seqs): Likewise.
2460         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2461
2462 2008-03-04  Geoff Keating  <geoffk@apple.com>
2463
2464         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2465         declaration and code.
2466         (tree_invalid_nonnegative_warnv_p): Likewise.
2467
2468 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2469
2470         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2471         examples.  Truncate option-names then causing overfull hbox.
2472
2473 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2474
2475         PR target/35222
2476         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2477         on hpux10.
2478         * configure: Rebuilt.
2479
2480 2008-03-04  Rafael Espindola  <espindola@google.com>
2481
2482         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2483         (tree_unary_nonnegative_warnv_p): New.
2484         (tree_binary_nonnegative_warnv_p): New.
2485         (tree_single_nonnegative_warnv_p): New.
2486         (tree_invalid_nonnegative_warnv_p): New.
2487         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2488
2489 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2490
2491         PR 28322
2492         * opts.c (handle_option): Postpone 'unknown option' errors only for
2493         warning options.
2494
2495 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2496
2497         PR target/35453
2498         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2499         (_SIDD_XXX): This.
2500
2501 2008-03-04  Rafael Espindola  <espindola@google.com>
2502
2503         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2504         (tree_binary_nonzero_warnv_p): New.
2505         (tree_single_nonzero_warnv_p): New.
2506         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2507
2508 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2509
2510         PR middle-end/35456
2511         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2512         transformations for modes that have signed zeros.
2513         * ifcvt.c (noce_try_abs): Ditto.
2514
2515 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2516
2517         * config/i386/i386.c (override_options): Force
2518         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2519
2520 2008-03-04  Jan Hubicka  <jh@suse.cz>
2521
2522         PR c++/35262
2523         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2524         in last commit.
2525
2526 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2527
2528         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2529         label to probe the stack.
2530
2531 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2532
2533         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2534         (__gthr_win32_mutex_destroy): Declare.
2535         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2536         __gthr_win32_mutex_destroy.
2537         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2538
2539 2008-03-03  Jan Hubicka  <jh@suse.cz>
2540
2541         PR c++/35262
2542         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2543         aggressive on inlining cold calls.
2544
2545 2008-03-03  Richard Guenther  <rguenther@suse.de>
2546
2547         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2548         struct copies into the expression table.
2549         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2550         (try_to_simplify): Likewise.
2551         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2552         integral and pointer arguments which do not change the
2553         precision to NOP_EXPRs.
2554         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2555         VIEW_CONVERT_EXPR case.
2556
2557 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2558
2559         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2560         defined in a loop at depth 0 is invariant.
2561         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2562         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2563         be called at loop depth 0.
2564
2565 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2566
2567         PR driver/35420
2568         * gcc.c (process_command): Update copyright notice dates.
2569         * gcov.c (print_version): Likewise.
2570         * gcov-dump.c (print_version): Likewise.
2571         * mips-tfile.c (main): Likewise.
2572         * mips-tdump.c (main): Likewise.
2573
2574 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2575
2576         PR 24924
2577         * c-common.c (flag_permissive): Delete.
2578         (constant_expression_warnings): Check flags first.
2579         (constant_expression_error): New.
2580         * c-common.h (flag_permissive): Delete.
2581         (constant_expression_error): Declare.
2582         * flags.h (flag_permissive): Declare. Update description.
2583         * diagnostic.c (pedwarn): Update.
2584         (permerror): New.
2585         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2586         (permissive_error_kind): New.
2587         * toplev.c (flag_permissive): Define. Update description.
2588         * toplev.h (permissive_error_kind): Declare.
2589         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2590         (pedwarn_c90): Use pedantic_warning_kind.
2591         * c-opts.c (c_common_post_options): flag_permissive does not affect
2592         flag_pedantic_errors.
2593
2594 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2595
2596         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2597         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2598         __absvsi2, __absvDI2): Use unsigned arithmetic.
2599
2600 2008-03-02  Andi Kleen  <ak@suse.de>
2601             Richard Guenther  <rguenther@suse.de>
2602
2603         * struct-equiv.c: Remove file.
2604         * cfg_cleanup.c (condjump_equiv_p): Remove.
2605         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2606         (struct-equiv.o): Remove rule.
2607         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2608         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2609         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2610
2611 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2612
2613         * ifcvt.c (noce_process_if_block): Try to handle only the then
2614         block if the else block exists but isn't suitable.
2615
2616 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2617
2618         PR gcc/35063
2619         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2620         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2621         regression from previous patch.
2622
2623 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2624
2625         PR gcc/35063
2626         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2627         implemented.
2628         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2629         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2630         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2631         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2632         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2633         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2634         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2635         (__gthread_mutex_destroy_function): Rename to
2636         __gthread_mutex_destroy.
2637         * gthr-dce.h (__gthread_mutex_destroy): Call
2638         pthread_mutex_destroy.
2639         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2640         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2641         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2642
2643 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2644
2645         * df-scan.c (df_ref_chain_change_bb): Simplify.
2646         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2647         set_block_for_insn if there's any change.
2648         * df.h ((df_insn_change_bb): Fix prototype.
2649         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2650         df_insn_change_bb, don't call set_block_for_insn.
2651         * emit-rtl.c (reorder_insns): Likewise.
2652         * haifa-sched.c (move_insn): Likewise.
2653
2654 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2655
2656         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2657
2658 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2659
2660         * tree-flow-inline.h (next_readonly_imm_use): Return
2661         NULL_USE_OPERAND_P after the end.
2662
2663 2008-03-01  Richard Guenther  <rguenther@suse.de>
2664
2665         PR tree-optimization/35411
2666         * tree-sra.c (sra_build_assignment): Split conversion to
2667         final type to a separate statement if we are not assigning
2668         to a register.
2669
2670 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2671
2672         * fold-const.c (fold_convertible_p): Correct the logic to follow
2673         that in fold_convert().
2674
2675 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2676
2677         PR c++/35315
2678         * tree-inline.c (build_duplicate_type): When we make a
2679         duplicate type, make it unique in the canonical types system.
2680
2681 2008-02-29  Tom Tromey  <tromey@redhat.com>
2682
2683         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2684         input_file_stack_history, input_file_stack_restored): Remove.
2685         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2686         * input.h (struct file_stack): Remove.
2687         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2688         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2689         Likewise.
2690         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2691         type.
2692         (diagnostic_last_module_changed): Add 'map' argument.
2693         (diagnostic_set_last_function): Likewise.
2694         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2695         line map, not input_file_stack.
2696         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2697
2698 2008-02-29  Paul Brook  <paul@codesourcery.com>
2699
2700         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2701
2702 2008-02-29  Paul Brook  <paul@codesourcery.com>
2703
2704         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2705
2706 2008-02-29  Richard Guenther  <rguenther@suse.de>
2707
2708         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2709         vn_lookup_or_add.
2710         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2711         value for comparing for a store match.
2712         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2713         (try_to_simplify): Do not do a full-blown reference lookup.
2714
2715 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2716
2717         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2718         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2719
2720         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2721
2722 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2723
2724         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2725         strides against cache sizes.
2726
2727 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2728
2729         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2730         constant to fpul.
2731
2732 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2733
2734         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2735         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2736         is smaller than the original promoted value.
2737         (simplify_subreg): If OP is a SUBREG, try to preserve its
2738         SUBREG_PROMOTED_VAR_P information.
2739
2740 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2741
2742         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2743         (VN_INFO_GET): Allocate new objects on the obstack.
2744         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2745         for rpo_numbers_temp, for consistency.
2746         (free_scc_vn): Free the obstack.
2747
2748 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2749
2750         * doc/invoke.texi: Document -ftree-loop-distribution.
2751         * tree-loop-distribution.c: New.
2752         * tree-pass.h (pass_loop_distribution): New.
2753         * graphds.h (struct graph): Add htab_t indices.
2754         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2755         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2756         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2757         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2758         * tree-data-ref.c (debug_data_dependence_relations): New.
2759         (dump_data_dependence_relation): Also print data references.
2760         (free_data_ref): Extern.
2761         (same_access_functions): Moved...
2762         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2763         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2764         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2765         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2766         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2767         (stmts_from_loop): Skip LABEL_EXPR.
2768         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2769         New.
2770         (build_rdg): Initialize rdg->indices htab.
2771         (free_rdg, stores_from_loop, ref_base_address,
2772         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2773         have_similar_memory_accesses_1, ref_base_address_1,
2774         remove_similar_memory_refs): New.
2775         * tree-data-ref.h: Depend on tree-chrec.h.
2776         (debug_data_dependence_relations, free_data_ref): Declared.
2777         (same_access_functions): ... here.
2778         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2779         New.
2780         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2781         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2782         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2783         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2784         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2785         rdg_vertex_for_stmt): Declared.
2786         (struct rdg_edge): Add level.
2787         (RDGE_LEVEL): New.
2788         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2789         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2790         Declared.
2791         (rdg_has_similar_memory_accesses): New.
2792         * tree-vect-analyze.c: Remove unused static decls.
2793         * lambda.h (dependence_level): New.
2794         * common.opt (ftree-loop-distribution): New.
2795         * tree-flow.h (mark_virtual_ops_in_bb, 
2796         slpeel_tree_duplicate_loop_to_edge_cfg,
2797         rename_variables_in_loop): Declared.
2798         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2799         (OBJS-common): Add tree-loop-distribution.o.
2800         (tree-loop-distribution.o): New rule.
2801         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2802         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2803         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2804
2805 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2806
2807         PR target/33963
2808         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2809         other than structures and unions.
2810
2811 2008-02-28  Richard Guenther  <rguenther@suse.de>
2812
2813         Revert:
2814         2008-02-26  Richard Guenther  <rguenther@suse.de>
2815
2816         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2817         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2818         (lookup_decl_from_uid): Declare.
2819         (remove_decl_from_map): Likewise.
2820         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2821         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2822         (decl_for_uid_map): New global hashtable mapping DECL_UID
2823         to the decl tree.
2824         (init_ttree): Allocate it.
2825         (insert_decl_to_uid_decl_map): New helper function.
2826         (make_node_stat): Insert new decls into the map.
2827         (copy_node_stat): Likewise.
2828         (lookup_decl_from_uid): New function.
2829         (remove_decl_from_map): Likewise.
2830         (print_decl_for_uid_map_statistics): New helper.
2831         (dump_tree_statistics): Call it.
2832
2833         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2834         (referenced_var_iterator): Adjust.
2835         (FOR_EACH_REFERENCED_VAR): Adjust.
2836         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2837         (num_referenced_vars): Adjust.
2838         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2839         (first_referenced_var): Remove.
2840         (end_referenced_vars_p): Likewise.
2841         (next_referenced_var): Likewise.
2842         (referenced_var_iterator_set): New helper function.
2843         * tree-dfa.c (referenced_var_lookup): Adjust.
2844         (referenced_var_check_and_insert): Likewise.
2845         (remove_referenced_var): Likewise.
2846         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2847         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2848         (verify_call_clobbering): Likewise.
2849         (verify_memory_partitions): Likewise.
2850         (init_tree_ssa): Allocate bitmap instead of hashtable for
2851         referenced_vars.
2852         (delete_tree_ssa): Adjust.
2853         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2854         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2855         (compute_tag_properties): Likewise.
2856         (set_initial_properties): Likewise.
2857         (find_partition_for): Likewise.
2858         (update_reference_counts): Likewise.
2859         (dump_may_aliases_for): Likewise.
2860         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2861         (add_call_clobber_ops): Likewise.
2862         (add_call_read_ops): Likewise.
2863         (get_asm_expr_operands): Likewise.
2864         * tree-into-ssa.c (dump_decl_set): Likewise.
2865         (update_ssa): Likewise.
2866         * tree-sra.c (scan_function): Likewise.
2867         (decide_instantiations): Likewise.
2868         (scalarize_parms): Likewise.
2869         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2870         (dsa_named_for): Likewise.
2871         * tree-ssa-structalias.c (update_alias_info): Likewise.
2872         (merge_smts_into): Likewise.
2873
2874 2008-02-27  David Daney  <ddaney@avtrex.com>
2875
2876         PR target/34409
2877         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2878         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2879         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2880         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2881         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2882
2883 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2884
2885         PR target/25477
2886         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2887         (BUILT_IN_NEXTTOWARD): Remove.
2888         (BUILT_IN_NEXTTOWARDF): Ditto.
2889         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2890         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2891
2892 2008-02-27  Tom Tromey  <tromey@redhat.com>
2893
2894         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2895         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2896
2897 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2898
2899         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2900         update the respective field on newdecl.
2901
2902 2008-02-27  Revital Eres  <eres@il.ibm.com>
2903
2904         PR rtl-optimization/34999
2905         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2906         crossing edges that ends with a call insn.
2907         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2908         call insn and clear the EDGE_CROSSING flag of the crossing edge
2909         when fixing fallthru edges.
2910
2911 2008-02-27  Richard Guenther  <rguenther@suse.de>
2912
2913         PR middle-end/35390
2914         * fold-const.c (fold_unary): Return the correct argument,
2915         converted to the result type.
2916
2917 2008-02-27  Richard Guenther  <rguenther@suse.de>
2918
2919         PR middle-end/34971
2920         * expr.c (expand_expr_real_1): Assert on rotates that operate
2921         on partial modes.
2922         * fold-const.c (fold_binary): Use the types precision, not the
2923         bitsize of the mode if folding rotate expressions.  Build rotates
2924         only for full modes.
2925
2926 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2927
2928         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2929         and CPP_PRAGMA_EOL.
2930         * c-pragma.c (pragma_ns_name): New typedef.
2931         (registered_pp_pragmas): New variable.
2932         (c_pp_lookup_pragma): New function.
2933         (c_register_pragma_1): If flag_preprocess_only, do nothing
2934         for non-expanded pragmas, for expanded ones push pragma's
2935         namespace and name into registered_pp_pragmas vector.
2936         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2937         flag_preprocess_only, don't register GCC pch_preprocess
2938         pragma if flag_preprocess_only.
2939         * c-opts.c (c_common_init): Call init_pragma even if
2940         flag_preprocess_only.
2941         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2942         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2943         cpp_register_pragma if flag_preprocess_only.
2944
2945 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2946
2947         PR c/28800
2948         * c-parser.c (c_parser_translation_unit): Warn for empty
2949         translation unit, not empty source file.
2950
2951 2008-02-26  Paul Brook  <paul@codesourcery.com>
2952
2953         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2954         operand for Thumb-2.
2955         * config/arm/arm.h (reg_class): Add CORE_REGS.
2956         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2957         (BASE_REG_CLASS): Use CORE_REGS.
2958         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2959         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2960         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2961         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2962         ARM_REGNO_OK_FOR_INDEX_P.
2963         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2964         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2965         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2966         (ldm/stm peepholes): Ditto.
2967         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2968         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2969         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2970         * config/arm/constraints.md: Enable "k" constraint on ARM.
2971
2972 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2973
2974         * config/rs6000/rs6000.c: Annotate cache line size field in all
2975         instances of struct processor_costs.
2976
2977 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2978
2979         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2980         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2981         jump_bypass): New counters.
2982         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2983         * dce.c (gate_ud_dce): Same.
2984         (gate_fast_dce): Same.
2985         * dse.c (gate_dse1): New function.
2986         (gate_dse2): New function.
2987         (gate_dse): Merge results of new gate functions.
2988         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2989         (gate_handle_jump_bypass): Add dbg_cnt.
2990         (gate_handle_gcse): Add dbg_cnt.
2991         * ifcvt.c (gate_handle_if_conversion): Same.
2992         (gate_handle_if_after_combine): Same.
2993         (gate_handle_if_after_reload): Same.
2994         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2995
2996 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2997
2998         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2999         line sizes.
3000         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3001
3002 2008-02-26  Jason Merrill  <jason@redhat.com>
3003
3004         PR c++/35315
3005         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3006         alone if it's the naming decl for the type's main variant.
3007
3008 2008-02-26  Tom Tromey  <tromey@redhat.com>
3009
3010         * system.h (USE_MAPPED_LOCATION): Poison.
3011         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3012         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3013         (make_goto_expr_edges): Likewise.
3014         (remove_bb): Likewise.
3015         (execute_warn_function_return): Likewise.
3016         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3017         location_t.
3018         * c-common.c (fname_decl): Remove old location code.
3019         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3020         location code.
3021         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3022         variant.
3023         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3024         (gen_rtx_ASM_INPUT): Likewise.
3025         (gen_rtx_ASM_INPUT_loc): Likewise.
3026         (get_rtx_asm_OPERANDS): Remove.
3027         * cfglayout.c (insn_locators_alloc): Remove old location code.
3028         (set_curr_insn_source_location): Likewise.
3029         (curr_insn_locator): Likewise.
3030         * print-tree.c (print_node): Remove old location code.
3031         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3032         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3033         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3034         location_from_locus.
3035         (construct_exit_block): Remove old location code.
3036         * emit-rtl.c (force_next_line_note): Remove old location code.
3037         * profile.c (branch_prob): Remove old location code.
3038         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3039         LOC_LINE): Remove old-location variants.
3040         * langhooks.c (lhd_print_error_function): Remove old location
3041         code.
3042         * configure, config.in: Rebuilt.
3043         * configure.ac (--enable-mapped-location): Remove.
3044         * c-decl.c (c_init_decl_processing): Remove old location code.
3045         (finish_function): Likewise.
3046         * recog.c (decode_asm_operands): Remove old location code.
3047         * c-pch.c (c_common_read_pch): Remove old location code.
3048         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3049         variants.
3050         * gimple-low.c (lower_function_body): Remove old location code.
3051         * toplev.c (unknown_location): Remove.
3052         (push_srcloc): Remove old-location variant.
3053         (process_options): Remove old location code.
3054         (lang_dependent_init): Likewise.
3055         * input.h (UNKNOWN_LOCATION): Move definition.
3056         (location_t): Undeprecate.
3057         (source_locus): Remove.
3058         (location_from_locus): Remove.
3059         (struct location_s): Remove.
3060         Remove all old-location code.
3061         (input_line, input_filename): Remove.
3062         * final.c (final_scan_insn): Remove old location code.
3063         * diagnostic.c (diagnostic_build_prefix): Remove
3064         USE_MAPPED_LOCATION test.
3065         * tree.h (gimple_stmt) <locus>: Now a location_t.
3066         (tree_exp) <locus>: Likewise.
3067         (DECL_IS_BUILTIN): Remove old-location variant.
3068         (annotate_with_file_line, annotate_with_locus): Likewise.
3069         (expr_locus, set_expr_locus): Update.
3070         * tree.c (build1_stat): Remove old location code.
3071         (last_annotated_node): Remove.
3072         (annotate_with_file_line): Remove old-location variant.
3073         (annotate_with_locus): Likewise.
3074         (expr_location): Remove old location code.
3075         (set_expr_location): Likewise.
3076         (expr_has_location): Likewise.
3077         (expr_locus): Likewise.
3078         (set_expr_locus): Likewise.
3079         (expr_filename): Don't use location_from_locus.
3080         (expr_lineno): Likewise.
3081         * rtl-error.c (location_for_asm): Remove old location code.
3082         * c-lex.c (cb_line_change): Remove old location code.
3083         (fe_file_change): Likewise.
3084         (cb_def_pragma): Likewise.
3085         (c_lex_with_flags): Likewise.
3086         * gengtype.c (do_typedef): Don't special-case location types.
3087         (define_location_structures): Remove.
3088         (main): Don't call define_location_structures.
3089         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3090         code.
3091
3092 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3093
3094         PR 26264
3095         * builtins.def (BUILT_IN_STDARG_START): Remove.
3096         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3097         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3098         * tree-inline.c (inline_forbidden_p_1): Likewise.
3099         
3100 2008-02-26  Richard Guenther  <rguenther@suse.de>
3101
3102         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3103         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3104         (lookup_decl_from_uid): Declare.
3105         (remove_decl_from_map): Likewise.
3106         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3107         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3108         (decl_for_uid_map): New global hashtable mapping DECL_UID
3109         to the decl tree.
3110         (init_ttree): Allocate it.
3111         (insert_decl_to_uid_decl_map): New helper function.
3112         (make_node_stat): Insert new decls into the map.
3113         (copy_node_stat): Likewise.
3114         (lookup_decl_from_uid): New function.
3115         (remove_decl_from_map): Likewise.
3116         (print_decl_for_uid_map_statistics): New helper.
3117         (dump_tree_statistics): Call it.
3118
3119         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3120         (referenced_var_iterator): Adjust.
3121         (FOR_EACH_REFERENCED_VAR): Adjust.
3122         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3123         (num_referenced_vars): Adjust.
3124         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3125         (first_referenced_var): Remove.
3126         (end_referenced_vars_p): Likewise.
3127         (next_referenced_var): Likewise.
3128         (referenced_var_iterator_set): New helper function.
3129         * tree-dfa.c (referenced_var_lookup): Adjust.
3130         (referenced_var_check_and_insert): Likewise.
3131         (remove_referenced_var): Likewise.
3132         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3133         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3134         (verify_call_clobbering): Likewise.
3135         (verify_memory_partitions): Likewise.
3136         (init_tree_ssa): Allocate bitmap instead of hashtable for
3137         referenced_vars.
3138         (delete_tree_ssa): Adjust.
3139         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3140         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3141         (compute_tag_properties): Likewise.
3142         (set_initial_properties): Likewise.
3143         (find_partition_for): Likewise.
3144         (update_reference_counts): Likewise.
3145         (dump_may_aliases_for): Likewise.
3146         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3147         (add_call_clobber_ops): Likewise.
3148         (add_call_read_ops): Likewise.
3149         (get_asm_expr_operands): Likewise.
3150         * tree-into-ssa.c (dump_decl_set): Likewise.
3151         (update_ssa): Likewise.
3152         * tree-sra.c (scan_function): Likewise.
3153         (decide_instantiations): Likewise.
3154         (scalarize_parms): Likewise.
3155         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3156         (dsa_named_for): Likewise.
3157         * tree-ssa-structalias.c (update_alias_info): Likewise.
3158         (merge_smts_into): Likewise.
3159
3160 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3161
3162         PR 34351
3163         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3164         * c-opts.c (c_common_handle_option): Wall enables
3165         Wvolatile-register-var.
3166         * common.opt: Move Wvolatile-register-var to...
3167         * c.opt: ...here.
3168         
3169 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3170
3171         * common.opt (Wlarger-than=): New.
3172         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3173         -Wlarger-than=.
3174         * opts.c (common_handle_option): Handle -Wlarger-than=.
3175         * optc-gen.awk: Likewise.
3176         * opth-gen.awk: Likewise.
3177         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3178         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3179         
3180 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3181
3182         * c-common.c (match_case_to_enum_1): Add appropriate
3183         OPT_W* parameter to warning.
3184         (c_do_switch_warnings): Likewise.
3185         * c-typeck.c (warning_init): Add one more parameter following
3186         'warning' function.
3187         (push_init_level): Update call to warning_init.
3188         (pop_init_level): Likewise.
3189         (add_pending_init): Likewise.
3190         (output_init_element: Likewise.
3191
3192 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3193
3194         PR 28322
3195         * toplev.c (toplev_main): If there are warnings or error, print
3196         errors for ignored options.
3197         * opts.c (ignored_options): New static variable.
3198         (postpone_unknown_option_error): New.
3199         (print_ignored_options): New.
3200         (handle_option): Postpone errors for unknown -Wno-* options.
3201         * opts.h (print_ignored_options): Declare.
3202         
3203 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3204
3205         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3206         to "ghost".
3207
3208 2008-02-25  Richard Guenther  <rguenther@suse.de>
3209
3210         Revert:
3211         2008-02-25  Richard Guenther  <rguenther@suse.de>
3212
3213         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3214         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3215         (lookup_decl_from_uid): Declare.
3216         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3217         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3218         (decl_for_uid_map): New global hashtable mapping DECL_UID
3219         to the decl tree.
3220         (init_ttree): Allocate it.
3221         (insert_decl_to_uid_decl_map): New helper function.
3222         (make_node_stat): Insert new decls into the map.
3223         (copy_node_stat): Likewise.
3224         (lookup_decl_from_uid): New function.
3225         (print_decl_for_uid_map_statistics): New helper.
3226         (dump_tree_statistics): Call it.
3227
3228         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3229         (referenced_var_iterator): Adjust.
3230         (FOR_EACH_REFERENCED_VAR): Adjust.
3231         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3232         (num_referenced_vars): Adjust.
3233         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3234         (first_referenced_var): Remove.
3235         (end_referenced_vars_p): Likewise.
3236         (next_referenced_var): Likewise.
3237         (referenced_var_iterator_set): New helper function.
3238         * tree-dfa.c (referenced_var_lookup): Adjust.
3239         (referenced_var_check_and_insert): Likewise.
3240         (remove_referenced_var): Likewise.
3241         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3242         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3243         (verify_call_clobbering): Likewise.
3244         (verify_memory_partitions): Likewise.
3245         (init_tree_ssa): Allocate bitmap instead of hashtable for
3246         referenced_vars.
3247         (delete_tree_ssa): Adjust.
3248         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3249         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3250         (compute_tag_properties): Likewise.
3251         (set_initial_properties): Likewise.
3252         (find_partition_for): Likewise.
3253         (update_reference_counts): Likewise.
3254         (dump_may_aliases_for): Likewise.
3255         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3256         (add_call_clobber_ops): Likewise.
3257         (add_call_read_ops): Likewise.
3258         (get_asm_expr_operands): Likewise.
3259         * tree-into-ssa.c (dump_decl_set): Likewise.
3260         (update_ssa): Likewise.
3261         * tree-sra.c (scan_function): Likewise.
3262         (decide_instantiations): Likewise.
3263         (scalarize_parms): Likewise.
3264         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3265         (dsa_named_for): Likewise.
3266         * tree-ssa-structalias.c (update_alias_info): Likewise.
3267         (merge_smts_into): Likewise.
3268
3269 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3270
3271         PR fortran/29549
3272         * doc/invoke.texi (-fcx-limited-range): Document new option.
3273         * toplev.c (process_options): Handle -fcx-fortran-rules.
3274         * common.opt: Add documentation for -fcx-fortran-rules.
3275
3276 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3277
3278         PR c/35162
3279         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3280         actual behaviour and C99.
3281         
3282 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3283
3284         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3285         (ASM_CPU_POWER6_SPEC): Likewise.
3286         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3287         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3288         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3289
3290 2008-02-25  Richard Guenther  <rguenther@suse.de>
3291
3292         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3293         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3294         (lookup_decl_from_uid): Declare.
3295         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3296         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3297         (decl_for_uid_map): New global hashtable mapping DECL_UID
3298         to the decl tree.
3299         (init_ttree): Allocate it.
3300         (insert_decl_to_uid_decl_map): New helper function.
3301         (make_node_stat): Insert new decls into the map.
3302         (copy_node_stat): Likewise.
3303         (lookup_decl_from_uid): New function.
3304         (print_decl_for_uid_map_statistics): New helper.
3305         (dump_tree_statistics): Call it.
3306
3307         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3308         (referenced_var_iterator): Adjust.
3309         (FOR_EACH_REFERENCED_VAR): Adjust.
3310         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3311         (num_referenced_vars): Adjust.
3312         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3313         (first_referenced_var): Remove.
3314         (end_referenced_vars_p): Likewise.
3315         (next_referenced_var): Likewise.
3316         (referenced_var_iterator_set): New helper function.
3317         * tree-dfa.c (referenced_var_lookup): Adjust.
3318         (referenced_var_check_and_insert): Likewise.
3319         (remove_referenced_var): Likewise.
3320         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3321         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3322         (verify_call_clobbering): Likewise.
3323         (verify_memory_partitions): Likewise.
3324         (init_tree_ssa): Allocate bitmap instead of hashtable for
3325         referenced_vars.
3326         (delete_tree_ssa): Adjust.
3327         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3328         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3329         (compute_tag_properties): Likewise.
3330         (set_initial_properties): Likewise.
3331         (find_partition_for): Likewise.
3332         (update_reference_counts): Likewise.
3333         (dump_may_aliases_for): Likewise.
3334         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3335         (add_call_clobber_ops): Likewise.
3336         (add_call_read_ops): Likewise.
3337         (get_asm_expr_operands): Likewise.
3338         * tree-into-ssa.c (dump_decl_set): Likewise.
3339         (update_ssa): Likewise.
3340         * tree-sra.c (scan_function): Likewise.
3341         (decide_instantiations): Likewise.
3342         (scalarize_parms): Likewise.
3343         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3344         (dsa_named_for): Likewise.
3345         * tree-ssa-structalias.c (update_alias_info): Likewise.
3346         (merge_smts_into): Likewise.
3347
3348 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3349
3350         PR target/35258
3351         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3352         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3353         * alias.h (nonoverlapping_memrefs_p): Likewise.
3354
3355 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3356
3357         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3358         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3359         __emultls_get_address, __emultls_register_common,
3360         __floatundi?f, and _Unwind_GetIPInfo.
3361         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3362         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3363         (gen_regparm_prefix): Likewise.
3364         (i386_nlm_encode_section_info): Sync with
3365         config/i386/winnt.c:i386_pe_encode_section_info().
3366         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3367         i386_nlm_mangle_decl_assembler_name): New.
3368         (netware_override_options): New.
3369         * config/i386/netware.h (netware_override_options): Declare.
3370         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3371         (i386_nlm_mangle_decl_assembler_name): Declare.
3372         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3373
3374 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3375
3376         PR other/32948
3377         * c-decl.c (grokdeclarator): Remove unused local variables
3378         `typedef_type' and `type_as_written'.
3379         * bb-reorder.c
3380         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3381         unused local variable `has_hot_blocks'.
3382         (fix_crossing_conditional_branches): Remove unused local variable
3383         `prev_bb'.
3384         
3385 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3386
3387         PR middle-end/19984
3388         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3389         using DEF_C99_BUILTIN.
3390         (BUILT_IN_NANF): Ditto.
3391         (BUILT_IN_NANL): Ditto.
3392
3393 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3394             Revital Eres  <eres@il.ibm.com>
3395
3396         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3397         regarding the order of two dependent insns in the same row.
3398
3399 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3400
3401         * stor-layout.c (layout_decl): Do not bump the alignment of a
3402         bit-field to more than byte alignment if it is packed.
3403
3404 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
3405
3406         * config/rs6000/rs6000.c (processor_costs): Add cache costs f