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2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4
5 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
6
7         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
8         iterators.
9         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
10         leu.
11         (sgt<u>): Merge sgt and sgtu into new expander.
12         (sgt, sgtu): Remove expanders.
13         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
14         pattern.
15         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
16         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
17         *sgtu_<mode>_mips16 into new pattern.
18         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
19         (sge<u>): Merge sge and sgeu into new expander.
20         (sge, sgeu): Remove expanders.
21         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
22         new pattern.
23         (*sge_<mode>, second *sge_<mode>): Remove patterns.
24         (slt<u>): Merge slt and sltu into new expander.
25         (slt, sltu): Remove expanders.
26         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
27         pattern.
28         (*slt_<mode>, *sltu_<mode>): Remove patterns.
29         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
30         *sltu_<mode>_mips16 into new pattern.
31         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
32         (sle<u>): Merge sle and sleu into new expander.
33         (sle, sleu): Remove expanders.
34         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
35         pattern.
36         (*sle_<mode>, *sleu_<mode>): Remove patterns.
37         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
38         *sleu_<mode>_mips16 into new pattern.
39         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
40
41 2008-04-03  Jan Hubicka  <jh@suse.cz>
42
43         PR tree-optimization/35795
44         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
45         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
46         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
47         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
48         * score/score3.c (score3_output_mi_thunk): Likewise.
49         * score/score7.c (score7_output_mi_thunk): Likewise.
50         * mips/mips.c (mips_output_mi_thunk): Likewise.
51
52 2008-04-03  Richard Guenther  <rguenther@suse.de>
53
54         * tree-vrp.c (extract_range_from_unary_expr): Handle all
55         conversions.  Simplify code.
56
57 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
58
59         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
60
61 2008-04-03  Tom Tromey  <tromey@redhat.com>
62             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
63
64         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
65         * config/bfin/t-bfin-linux (generated_files): Add
66         linux-sysroot-suffix.h.
67         * doc/install.texi (Prerequisites): Require make 3.80.
68         * doc/sourcebuild.texi (Front End Directory): Document new
69         variable.
70         * Makefile.in (generated_files): New variable.
71         (ALL_HOST_OBJS): New variable.
72         ($(ALL_HOST_OBJS)): New target.
73
74 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
75
76         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
77         (remap_block): Call id->transform_lang_insert_block instead
78         of langhook.
79         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
80         Set id.transform_lang_insert_block to NULL.
81         (clone_body): Move to cp/optimize.c
82         * tree-inline.h (struct copy_body_data): Change
83         transform_lang_insert_block to function pointer.
84         (copy_generic_body, copy_decl_no_change): Export.
85         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
86         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
87         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
88
89         * c-tree.h (insert_block): Kill.
90         * c-decl.c (insert_block): Kill.
91
92 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
93
94         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
95         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
96         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
97         argument.
98         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
99         argument, call {push,pop}_function_context from here.
100         * c-parser.c: Use c_{push,pop}_function_context.
101
102         * function.c (push_function_context_to): Move meat ...
103         (push_function_context): ... here.  Simplify.
104         * function.c (pop_function_context_from): Move meat ...
105         (pop_function_context): ... here.  Simplify.
106         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
107         leave_nested).
108         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
109         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
110         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
111         * tree.h (push_function_context_to, pop_function_context_from): Remove.
112
113 2008-04-03  Ben Elliston  <bje@au.ibm.com>
114
115         * expmed.c (extract_force_align_mem_bit_field): Remove.
116
117 2008-04-03  Richard Guenther  <rguenther@suse.de>
118
119         PR middle-end/35800
120         * expr.h (try_casesi): Adjust prototype.
121         * expr.c (try_casesi): Take fallback label as extra parameter.
122         Use that for gen_casesi if default_label is NULL.
123         * stmt.c (expand_case): Pass fallback label to try_casesi,
124         make sure to fill gaps with a fallback label if default_label
125         is not present.
126
127 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
128
129         PR target/35801
130         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
131
132 2008-04-03  Ben Elliston  <bje@au.ibm.com>
133
134         * expmed.c (extract_split_bit_field): Remove if (0) code.
135         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
136         (do_ds_constraint): Likewise.
137
138 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
139
140         * doc/cppopts.texi (-dU): Document.
141         * c-common.h (flag_dump_macros): Update comment.
142         * c-opts.c (handle_OPT_d): Handle -dU.
143         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
144         dump_queued_macros, cb_used_define, cb_used_undef): New.
145         (init_pp_output): Handle -dU.
146         (cb_line_change): Call dump_queued_macros.
147         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
148
149 2008-04-02  Anatoly Sokolov <aesok@post.ru>
150
151         * config/avr/predicates.md (io_address_operand): New predicate. 
152         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
153         * config/avr/avr.c (avr_io_address_p): Remove function.
154         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
155         'avr_io_address_p' function.
156         (out_movhi_r_mr): (Ditto.).
157         (out_movqi_mr_r): (Ditto.).
158         (out_movhi_mr_r): (Ditto.).
159         (avr_address_cost): (Ditto.).
160
161 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
162
163         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
164         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
165         in 32bit mode when XMM registers are available to avoid store
166         forwarding stalls.
167         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
168         corresponding post-reload splitters.
169
170 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
171
172         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
173         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
174         __builtin_ia32_roundss.
175         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
176         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
177         __builtin_ia32_roundss.
178         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
179         IX86_BUILTIN_SHUFPD here.
180
181 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
182
183         * config/i386/i386.md (plogic): New.
184         (plogicprefix): Likewise.
185
186         * config/i386/mmx.md (mmx_<code><mode>3): New.
187         (mmx_and<mode>3): Removed.
188         (mmx_ior<mode>3): Likewise.
189         (mmx_xor<mode>3): Likewise.
190
191         * config/i386/sse.md (<code><mode>3): New.
192         (*<code><mode>3): Likewise.
193         (*<code><mode>3): Likewise.
194         (<code><mode>3): Likewise.
195         (*sse_<code><mode>3): Likewise.
196         (*sse2_<code><mode>3): Likewise.
197         (<code>tf3): Likewise.
198         (*<code>tf3): Likewise.
199         (and<mode>3): Likewise.
200         (*and<mode>3): Likewise.
201         (ior<mode>3): Removed.
202         (*ior<mode>3): Likewise.
203         (xor<mode>3): Likewise.
204         (*xor<mode>3): Likewise.
205         (*and<mode>3): Likewise.
206         (*ior<mode>3): Likewise.
207         (*xor<mode>3): Likewise.
208         (and<mode>3): Likewise.
209         (*sse_and<mode>3): Likewise.
210         (*sse2_and<mode>3): Likewise.
211         (andtf3): Likewise.
212         (*andtf3): Likewise.
213         (ior<mode>3): Likewise.
214         (*sse_ior<mode>3): Likewise.
215         (*sse2_ior<mode>3): Likewise.
216         (iortf3): Likewise.
217         (*iortf3): Likewise.
218         (xor<mode>3): Likewise.
219         (*sse_xor<mode>3): Likewise.
220         (*sse2_xor<mode>3): Likewise.
221         (xortf3): Likewise.
222         (*xortf3): Likewise.
223
224 2008-04-02  Richard Guenther  <rguenther@suse.de>
225
226         PR tree-optimization/14495
227         PR tree-optimization/34793
228         * tree-vrp.c (struct switch_update): New structure.
229         (to_remove_edges, to_update_switch_stmts): New VECs.
230         (simplify_switch_using_ranges): New function.  Remove not taken
231         case labels and edges.
232         (simplify_stmt_using_ranges): Call it.
233         (identify_jump_threads): Mark edges we have queued for removal
234         so we don't thread them.
235         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
236         case label vector.
237         * tree-cfg.c (group_case_labels): Deal with missing default label.
238         (tree_verify_flow_info): Allow missing default label.
239         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
240         (emit_case_nodes): Likewise.
241         (expand_case): Do not rely on the default label to be present.
242         * expr.c (try_casesi): Deal with NULL default_label.
243         (do_tablejump): Likewise.
244
245 2008-04-02  Richard Guenther  <rguenther@suse.de>
246
247         PR tree-optimization/14495
248         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
249         SWITCH_EXPR here ...
250         (vrp_visit_switch_stmt): ... but here (new function).
251         (find_case_label_index): New helper function.
252         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
253
254 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
255
256         * fwprop.c: Fix ISO-C99ism.
257
258 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
259
260         PR bootstrap/35752
261         * Makefile.in (objdir): Set it here.
262         * configure.ac: Not here.  Find dynamic linker characteristics.
263         * exec-tool.in: Use them.
264         * aclocal.m4: Regenerate.
265         * configure: Regenerate.
266
267 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
268
269         * expr.c (expand_var): Delete it.
270         * expr.h (expand_var): Delete prototype.
271         * function.c (expand_function_start): Use expand_decl instead.
272         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
273         langhook.
274
275 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
276
277         PR rtl-optimization/35542
278         * fwprop.c (forward_propagate_and_simplify): Replace
279         loc_reg_mentioned_in_p with reg_mentioned_p.
280
281 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
282
283         PR rtl-optimization/35281
284         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
285         (propagate_rtx_1): Handle PR_HANDLE_MEM.
286         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
287         (varying_mem_p): Move above propagate_rtx.
288         (all_uses_available_at): Do not check MEMs.
289
290 2008-04-02  Rafael Espindola  <espindola@google.com>
291
292         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
293         (register_edge_assert_for_2): Split the cond argument.
294         (register_edge_assert_for_1): Adjust for the change in
295         register_edge_assert_for_2.
296         (register_edge_assert_for): Split the cond argument.
297         (find_switch_asserts): Adjust for the change in
298         register_edge_assert_for.
299
300 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
301
302         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
303         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
304         offsets for 64-bit mingw.
305         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
306         abi for x86_64-pc-mingw.
307
308 2008-04-02  Richard Guenther  <rguenther@suse.de>
309
310         * tree-vrp.c (extract_range_from_assert): Make sure to not
311         produce range min/max with TREE_OVERFOW set.
312         If merging a anti-range and a range keep the anti-range if
313         the range covers all values of the type.
314         (register_edge_assert_for_2): Only allow sign-changing
315         conversions in detecting canonical range checks.  Also
316         register an assert for the unsigned name if useful.
317
318         PR tree-optimization/35787
319         * tree-vrp.c (vrp_val_max): New function.
320         (vrp_val_min): Likewise.
321         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
322         (vrp_val_is_min): Likewise.
323         (supports_overflow_infinity): Use vrp_val_{min,max}.
324         (negative_overflow_infinity): Likewise.
325         (positive_overflow_infinity): Likewise.
326         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
327         (is_positive_overflow_infinity): Likewise.
328         (is_overflow_infinity): Likewise.
329         (avoid_overflow_infinity): Use vrp_val_{min,max} and
330         vrp_val_is_{min,max}.
331         (set_and_canonicalize_value_range): Canonicalize anti-ranges
332         to ranges if possible.  Avoid empty ranges.
333
334 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
335
336         PR middle-end/35705
337         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
338         the expression is a function address.
339
340 2008-04-01  George Helffrich  <george@gcc.gnu.org>
341
342         PR fortran/PR35154, fortran/PR23057
343         * fortran/trans-common.c (create_common):  Add decl to function
344         chain to preserve identifier scope in debug output.
345
346         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
347         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
348         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
349         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
350         in common.
351         (dbxout_syms): Check for COMMON-based symbol and wrap in
352         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
353         in bracket for efficiency.
354
355         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
356         using DW_TAG_common_block + member offset.
357         (add_pubname_string): New function.
358         (dw_expand_expr): New function to find block name and offset for
359         COMMON var.
360         (common_check): New function to check whether symbol in Fortran COMMON.
361         (gen_variable_die): If COMMON, use DW_TAG_common_block.
362
363         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
364         use of common is unchanged.
365
366         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
367         with all combinations of debug options available on target.
368         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
369         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
370         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
371         .stabs functionality.
372         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
373         DWARF functionality.
374
375 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
376
377         PR c/35436
378         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
379
380 2008-04-02  Ben Elliston  <bje@au.ibm.com>
381
382         * config/v850/v850.md (casesi): Remove if (0) code.
383         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
384         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
385
386 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
387
388         * config/i386/i386.md (rex64suffix): New mode attribute.
389         (floathi<mode>2): Disable expander for SSE math.
390         (*floathi<mode>2_1): New insn insn_and_split pattern.
391         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
392         corresponding post-reload splitters.
393         (*floathi<mode>2_i387): New macroized insn pattern.
394         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
395         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
396         insn_and_split pattern.
397         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
398         New macroized instruction patterns and corresponding post-reload
399         splitters.
400         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
401         and corresponding post-reload splitters.
402         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
403         New macroized instruction patterns.
404         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
405         macroized instruction patterns and corresponding post-reload splitters.
406         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
407         corresponding post-reload splitters.
408         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
409         New macroized instruction patterns.
410         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
411         corresponding post-reload splitters.
412         (*floatsi<mode>2_i387): New macroized instruction patterns.
413
414 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
415
416         * config/i386/i386.md (smaxmin): New.
417         (umaxmin): Likewise.
418         (maxminiprefix): Likewise.
419         (maxminfprefix): Likewise.
420         (<code><mode>3): Likewise.
421         (smin<mode>3): Removed.
422         (smax<mode>3): Likewise.
423
424         * config/i386/mmx.md (mmx_<code>v2sf3): New.
425         (mmx_<code>v4hi3): Likewise.
426         (mmx_<code>v8qi3): Likewise.
427         (mmx_smaxv2sf3): Removed.
428         (mmx_sminv2sf3): Likewise.
429         (mmx_umaxv8qi3): Likewise.
430         (mmx_smaxv4hi3): Likewise.
431         (mmx_uminv8qi3): Likewise.
432         (mmx_sminv4hi3): Likewise.
433
434         * config/i386/sse.md (<addsub><mode>3): New.
435         (*<addsub><mode>3): Likewise.
436         (<sse>_vm<addsub><mode>3): Likewise.
437         (<maxmin><mode>3): Likewise.
438         (*<maxmin><mode>3_finite): Likewise.
439         (*<maxmin><mode>3): Likewise.
440         (<sse>_vm<maxmin><mode>3): Likewise.
441         (sse3_h<addsub>v4sf3): Likewise.
442         (sse3_h<addsub>v2df3): Likewise.
443         (<maxmin>v16qi3): Likewise.
444         (*<maxmin>v16qi3): Likewise.
445         (<maxmin>v8hi3): Likewise.
446         (*<maxmin>v8hi3): Likewise.
447         (*sse4_1_<maxmin><mode>3): Likewise.
448         (*sse4_1_<maxmin><mode>3): Likewise.
449         (add<mode>3): Removed.
450         (*add<mode>3): Likewise.
451         (<sse>_vmadd<mode>3): Likewise.
452         (sub<mode>3): Likewise.
453         (*sub<mode>3): Likewise.
454         (<sse>_vmsub<mode>3): Likewise.
455         (smin<mode>3): Likewise.
456         (*smin<mode>3_finite): Likewise.
457         (*smin<mode>3): Likewise.
458         (<sse>_vmsmin<mode>3): Likewise.
459         (smax<mode>3): Likewise.
460         (*smax<mode>3_finite): Likewise.
461         (*smax<mode>3): Likewise.
462         (<sse>_vmsmax<mode>3): Likewise.
463         (sse3_haddv4sf3): Likewise.
464         (sse3_haddv2df3): Likewise.
465         (sse3_hsubv4sf3): Likewise.
466         (sse3_hsubv2df3): Likewise.
467         (umaxv16qi3): Likewise.
468         (*umaxv16qi3): Likewise.
469         (smaxv8hi3): Likewise.
470         (*smaxv8hi3): Likewise.
471         (*sse4_1_smax<mode>3): Likewise.
472         (*sse4_1_umax<mode>3): Likewise.
473         (uminv16qi3): Likewise.
474         (*uminv16qi3): Likewise.
475         (sminv8hi3): Likewise.
476         (*sminv8hi3): Likewise.
477         (*sse4_1_smin<mode>3): Likewise.
478         (*sse4_1_umin<mode>3): Likewise.
479
480 2008-04-01  Rafael Espindola  <espindola@google.com>
481
482         * tree-cfg.c (verify_expr): remove in_phi.
483         (verify_stmt): Don't call walk_tree with verify_expr. Use
484         is_gimple_min_invariant instead of is_gimple_val.
485
486 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
487
488         * doc/include/gpl_v3.texi: Update for manpage generation.
489         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
490         gpl.texi.
491         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
492         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
493         gpl_v3.texi instead of gpl.texi.
494         (gpl.pod): New.
495
496 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
497
498         PR pch/13675
499         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
500
501 2008-04-01  Rafael Espindola  <espindola@google.com>
502
503         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
504         (extract_code_and_val_from_cond): Use
505         extract_code_and_val_from_cond_with_ops.
506
507 2008-04-01  Jan Hubicka  <jh@suse.cz>
508
509         * function.c (free_after_compilation): Free epilogue_delay_list.
510         (prepare_function_start): Assert that previous compilation was freed.
511
512 2008-04-01  Jan Hubicka  <jh@suse.cz>
513             Jim Wilson  <wilson@tuliptree.org>
514             Andreas Tobler <andreast@gcc.gnu.org>
515
516         PR middle-end/35781
517         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
518         rtl.emit instead cfun->emit.
519         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
520         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
521
522 2008-04-01  Ben Elliston  <bje@au.ibm.com>
523
524         * doc/c-tree.texi (Function Basics): Fix grammatical error.
525
526 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
527
528         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
529         New options
530         (fprofile-use): Add var flag_profile_use
531         * coverage.c (coverage_begin_output): Do not open a gcno file for
532         output only if -ftest-coverage is set.
533         Do not add getpwd() to gcda file path.
534         (build_gcov_info): Check the new flag
535         flag_profile_datafile_relative_path.
536         (coverage_init): Use profile_data_prefix.
537         Read profile counter only if flag_profile_use is set.
538         * opts.c (common_handle_option): New option fprofile-use=,
539         fprofile-dir=, fprofile-generate=.
540         * toplev.c (profile_data_prefix): New variable definition.
541         * toplev.h (profile_data_prefix): New declaration.
542         * doc/invoke.tex (Option Summary, Optimization Options):
543         Add new options.
544
545 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
546
547         * varasm.c (output_constant_pool_1): In LABEL_REF check,
548         use tmp consistently.
549
550         PR target/35695
551         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
552         * config/ia64/ia64.c (rtx_needs_barrier): Handle
553         UNSPEC_FR_RECIP_APPROX_RES.
554         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
555
556 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
557
558         PR c/35750
559         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
560
561 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
562
563         PR middle-end/30186
564         * fold-const.c (fold_indirect_ref_1): Support accessing non first
565         element of the vector via a pointer.
566
567 2008-03-31  Ian Lance Taylor  <iant@google.com>
568
569         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
570
571 2008-03-31  Jan Hubicka  <jh@suse.cz>
572
573         * builtins.c (expand_builtin_setjmp_receiver): Update call of
574         get_arg_pointer_save_area.
575         * expr.c (init_expr): Just clear out rtl.expr.
576         * function.c (free_after_compilation): Clear out whole RTL structure.
577         (get_func_frame_size): Merge into ...
578         (get_frame_size): ... this one.
579         (assign_stack_local_1): Merge into ...
580         (assign_stack_local): ... this one.
581         (expand_function_end): Update call of get_arg_pointer_save_area.
582         (get_art_pointer_save_area): Remove cfun argument.
583         * function.h (emit_status): regno_pointer_align does not need length
584         attribute. Move x_regno_reg_rtx to ...
585         (regno_reg_rtx): ... new global array.
586         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
587         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
588         apply_args_value, forced_labels, stack_pointer_delta):
589         Update accestors.
590         (struct varasm_status): Move here from varasm.c
591         (struct rtl_data): New. Move here some fields from struct function.
592         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
593         frame_offset, stack_check_probe_note, arg_pointer_save_area,
594         used_temp_slots avail_temp_slots, temp_slot_level,
595         nonlocal_goto_handler_labels): Update accesstors.
596         (rtl): New global variable.
597         (struct function): Move some fileds to rtl_data.
598         (get_arg_pointer_save_area): Update prototype.
599         * emit-rtl.c (rtl): Declare.
600         (regno_reg_rtx): Declare.
601         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
602         Update.
603         (gen_reg_rtx): Update.
604         (init_virtual_regs): Do not tate emit_status argument.
605         (init_emit): Do not allocate emit.
606         * varasm.c (varasm_statuc): Move to function.h.
607         (n_deferred_constatns): Update accestor.
608         (init_varasm_status): Do not allocate varasm_status.
609         (force_const_mem, get_pool_size, output_constant_pool): Update.
610         * stmt.c (force_label_rtx): Do not use x_ prefixes.
611         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
612
613 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
614
615         PR rtl-optimization/35729
616         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
617         references.
618
619 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
620
621         PR target/32000
622         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
623         load/store if memory is unaligned.
624         (*movti_rex64): Likewise.
625
626         * config/i386/predicates.md (misaligned_operand): New.
627
628 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
629
630         PR tree-opt/35431
631         * tree-ssa-phiopt.c (conditional_replacement): Return early for
632         complex types.
633
634 2008-03-31  Jan Beulich  <jbeulich@novell.com>
635
636         * config/ia64/constraints.md: Add 'j' constraint.
637         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
638         (movdi_internal): Likewise.
639
640 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
641
642         PR c/35748
643         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
644
645 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
646
647         PR target/35757
648         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
649         proper error message for the third argument on blendpd and
650         blendps.
651
652         * config/i386/sse.md (blendbits): New.
653         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
654
655 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
656
657         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
658
659 2008-03-30  Richard Guenther  <rguenther@suse.de>
660
661         PR middle-end/31023
662         * fold-const.c (fold_sign_changed_comparison): Do leave
663         conversions to base-types alone.
664
665 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
666
667         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
668         the link register if one altivec register is be saved.
669
670 2008-03-30  Ben Elliston  <bje@au.ibm.com>
671
672         * final.c (final_scan_insn): Remove if (0) code.
673
674 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
675
676         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
677
678 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
679
680         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
681         of V4SFmode to ix86_binary_operator_ok.
682
683 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
684
685         * config/i386/i386.c (override_options): Initialize
686         ix86_veclib_handler to ix86_veclibabi_svml when
687         -mveclibabi=svml is used.
688         (ix86_veclibabi_svml): New function for SVML ABI style
689         vectorization support.
690         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
691
692 2008-03-28  Rafael Espindola  <espindola@google.com>
693
694         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
695         (tree_binary_nonnegative_warnv_p): Make it public.
696         (tree_single_nonnegative_warnv_p): Make it public.
697         (tree_invalid_nonnegative_warnv_p): Make it public.
698         (tree_unary_nonzero_warnv_p): Make it public.
699         (tree_binary_nonzero_warnv_p): Make it public
700         (tree_single_nonzero_warnv_p): Make it public.
701         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
702         (extract_range_from_binary_expr): Split the expr argument.
703         (extract_range_from_unary_expr): Split the expr argument.
704         (extract_range_from_comparison): Split the expr argument.
705         (extract_range_from_expr): Use the new aux functions.
706         (vrp_evaluate_conditional_warnv): Use
707         vrp_evaluate_conditional_warnv_with_ops.
708         * tree.h (tree_unary_nonzero_warnv_p): Declare.
709         (tree_binary_nonzero_warnv_p): Declare.
710         (tree_single_nonzero_warnv_p): Declare.
711         (tree_expr_nonzero_warnv_p): Declare.
712         (tree_unary_nonnegative_warnv_p): Declare.
713         (tree_binary_nonnegative_warnv_p): Declare.
714         (tree_single_nonnegative_warnv_p): Declare.
715         (tree_invalid_nonnegative_warnv_p): Declare.
716
717 2008-03-28  Richard Guenther  <rguenther@suse.de>
718
719         PR tree-optimization/30317
720         PR tree-optimization/30911
721         PR tree-optimization/34793
722         * tree-vrp.c (set_and_canonicalize_value_range): New function.
723         (struct assert_locus_d): New member EXPR.
724         (register_new_assert_for): Add EXPR parameter to support
725         ASSERT_EXPR <name, expr OP limit>.
726         (register_edge_assert_for_1): Adjust callers.
727         (find_assert_locations): Likewise.
728         (process_assert_insertions_for): Build condition from expression.
729         (extract_range_from_assert): Handle ASSERT_EXPRs
730         of the form ASSERT_EXPR <name, expr OP limit>.
731         (register_edge_assert_for_2): New helper registering
732         asserts for comparisons.  Recognize range tests of the form
733         (unsigned)i - CST1 OP CST2.
734         (register_edge_assert_for_1): Use it.
735         (register_edge_assert_for): Likewise.
736         (needs_overflow_infinity): Integer sub-types
737         do not need overflow infinities.
738         (vrp_val_is_max): The extreme values of integer sub-types
739         are those of the base type.
740         (vrp_val_is_min): Likewise.
741         * tree.def (ASSERT_EXPR): Document extra allowed conditional
742         expressions.
743
744 2008-03-28  Nick Clifton  <nickc@redhat.com>
745
746         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
747         Return GENERAL_REGS for stack adjustment reloads.
748
749 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
750
751         PR target/31334
752         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
753         const_vector when all the vectors are constant.
754
755 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
756
757         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
758         comparisons.
759         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
760         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
761         (scc_sf): New.
762         (s<code>_sf): Use new scc_sf attribute for opcode names.
763
764 2008-03-27  Tom Tromey  <tromey@redhat.com>
765
766         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
767         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
768         config/spu/t-spu-elf, config/i386/t-interix,
769         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
770         config/i386/x-darwin, config/i386/x-mingw32,
771         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
772         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
773         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
774         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
775         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
776         config/rs6000/x-darwin, config/rs6000/t-rs6000,
777         config/score/t-score-elf, config/arm/t-strongarm-pe,
778         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
779         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
780         Revert automatic dependency patch.
781
782 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
783
784         PR target/35657
785         * config/i386/i386.c (ix86_function_arg_boundary): Align
786         decimal floating point to its natural boundary.
787
788 2008-03-27  Richard Guenther  <rguenther@suse.de>
789
790         PR middle-end/35716
791         * fold-const.c (fold_comparison): Restrict distinct decl
792         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
793         solely rely on operand_equal_p.
794
795 2008-03-27  Richard Guenther  <rguenther@suse.de>
796
797         PR c/32511
798         * c-common.c (handle_weak_attribute): Reject combination of
799         weak and inline.
800
801 2008-03-27  Richard Guenther  <rguenther@suse.de>
802
803         PR tree-optimization/32810
804         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
805         conversions from DECL_INITIAL.
806         (fold_const_aggregate_ref): Likewise from constructor elements.
807
808 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
809
810         * tree-affine.h (aff_combination_expand): Declare.
811         (get_inner_reference_aff): Likewise.
812         * tree-affine.c (aff_combination_expand): Split out from
813         tree_to_aff_combination_expand.
814         (get_inner_reference_aff): New function.
815         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
816         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
817         (struct lim_aux_data): sm_done field removed.
818         (mem_ref_loc_p, mem_ref_locs_p): New types.
819         (struct mem_ref): Added id, stored, accesses_in_loop,
820         indep_loop, dep_loop, indep_ref, dep_ref fields.
821         Removed is_stored, locs and next fields.
822         (memory_accesses): New variable.
823         (movement_possibility): Do not allow moving statements
824         that store to memory.
825         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
826         New functions.
827         (determine_max_movement): For statements with memory references,
828         find the outermost loop in that the reference is independent.
829         (move_computations_stmt): Mark the virtual operands for renaming.
830         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
831         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
832         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
833         add_vop_ref_mapping, create_vop_ref_mapping_loop,
834         create_vop_ref_mapping, analyze_memory_references,
835         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
836         get_all_locs_in_loop, ref_always_accessed_p,
837         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
838         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
839         store_motion_loop, store_motion): New functions.
840         (struct vop_to_refs_elt): New type.
841         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
842         memref_hash, memref_eq, hoist_memory_references): Rewritten.
843         (schedule_sm): Replaced by...
844         (execute_sm): ... this.
845         (determine_lsm_ref, hoist_memory_references,
846         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
847         find_more_ref_vops, free_mem_ref, free_mem_refs,
848         determine_lsm_loop, determine_lsm): Removed.
849         (tree_ssa_lim_finalize): Free data structures used by store motion.
850         (tree_ssa_lim): Call analyze_memory_references.  Use
851         store_motion instead of determine_lsm.
852
853 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
854
855         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
856         rename tmake_file to m68hc11/t-m68hc11.
857         (mcore): Set inhibit_libc to true.
858         * config.host (alpha*-dec-*vms*): Set extra_programs.
859         (interix3*): Don't use host_xmake_file.
860         * configure.ac: Let config.gcc override inhibit_libc.
861         * configure: Regenerate.
862
863         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
864         * config/t-openbsd-thread: Remove commented out lines.
865         
866         * config/x-interix: Remove.
867
868         * config/m68hc11/t-m68hc11-gas: Rename to...
869         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
870
871         * config/mcore/t-mcore: Remove T_CFLAGS.
872         * config/mcore/t-mcore-pe: Likewise.
873
874 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
875
876         * configure.ac: Replace custom __GNU_SOURCE test with
877         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
878         * aclocal.m4: Regenerate.
879         * configure: Regenerate.
880         * config.in: Regenerate.
881
882 2008-03-27  Richard Guenther  <rguenther@suse.de>
883
884         * fold-const.c (target.h): Include.
885         (fold_comparison): Fold comparison of addresses of decls
886         that bind locally or of constants.  Consolidate address folding code.
887         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
888         results from fold_binary_to_constant.
889         (compare_values_warnv): Likewise.
890
891 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
892
893         PR middle-end/35429
894         * fold-const.c (fold_truthop): Check for integeral types when folding
895         a == 0 && b == 0 and a != 0 || b != 0 .
896
897 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
898
899         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
900
901 2008-03-26  Andreas Schwab  <schwab@suse.de>
902
903         * doc/invoke.texi: Fix use of @item vs. @itemx.
904
905 2008-03-26  Tom Tromey  <tromey@redhat.com>
906
907         * Makefile.in (build/gensupport.o, build/print-rtl.o,
908         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
909         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
910         build/gencodes.o, build/genconditions.o, build/genconfig.o,
911         build/genconstants.o, build/genemit.o, build/genextract.o,
912         build/genflags.o, build/genmddeps.o, build/genopinit.o,
913         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
914         options.h.
915
916 2008-03-26  Richard Guenther  <rguenther@suse.de>
917
918         Revert
919         2008-03-26  Richard Guenther  <rguenther@suse.de>
920
921         * fold-const.c (target.h): Include.
922         (fold_comparison): Fold comparison of addresses of two decls
923         that bind locally.  Consolidate address folding code.
924
925 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
926
927         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
928         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
929         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
930         dconstsqrt2, dconstthird, dconste and/or dconst10.
931         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
932         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
933         dconstsqrt2, dconste): Delete.
934         (init_emit_once): Likewise.  Simplify initializing dconstm1.
935         Constify variable.
936         * real.c (get_real_const): New.
937         * real.h (dconst3, dconst10, dconstm2, dconstthird,
938         dconstsqrt2, dconste): Delete.
939         (real_value_const, get_real_const): New.
940
941 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
942
943         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
944
945         * config/i386/i386.c (ix86_function_arg_boundary): Check
946         BIGGEST_ALIGNMENT instead of 128.
947         (setup_incoming_varargs_64): Likewise.
948
949 2008-03-26  Tom Tromey  <tromey@redhat.com>
950
951         * Makefile.in (DEPFILES): Add missing '/'.
952
953 2008-03-26  Richard Guenther  <rguenther@suse.de>
954
955         * fold-const.c (target.h): Include.
956         (fold_comparison): Fold comparison of addresses of two decls
957         that bind locally.  Consolidate address folding code.
958
959 2008-03-26  Nick Clifton  <nickc@redhat.com>
960
961         PR target/31232
962         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
963         not allow INT+INT as a legitimate addressing mode.
964
965 2008-03-26  Richard Guenther  <rguenther@suse.de>
966
967         * tree-flow.h (widen_bitfield): Remove declaration.
968         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
969         (widen_bitfield): Remove function.
970         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
971         code.
972
973 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
974
975         PR target/31558
976         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
977         error_mark_node's.
978
979 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
980
981         PR rtl-optimization/35232
982         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
983         (forget_old_reloads_1, forget_marked_reloads): Don't clear
984         reg_reloaded_call_part_clobbered here.
985         (reload_regs_reach_end_p): New function.
986         (reload_reg_rtx_for_input): New variable.
987         (reload_reg_rtx_for_output): Likewise.
988         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
989         when reassigning a pseudo register.  Load reloadreg from 
990         reload_reg_rtx_for_input, moving the mode and register
991         calculation to...
992         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
993         instead of the original when deciding whether an input reload
994         would be a no-op or whether an output reload can be deleted.
995         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
996         when setting up new_spill_reg_store.  Load it from
997         reload_reg_rtx_for_output, moving the mode and register
998         calculation to...
999         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1000         instead of the original when deciding whether an output reload
1001         would be a no-op.  Do the same when modifying insn notes.
1002         Use rtx_equal_p instead of == to compare the registers.
1003         (inherit_piecemeal_p): Take a mode and two register numbers
1004         as argument.
1005         (emit_reload_insns): Clear new_spill_reg_store for every hard
1006         register in the reload register.  Remove spill registers
1007         from reg_reloaded_valid before considering whether to record
1008         inheritance information for them.  Use reload_reg_rtx_for_output
1009         instead of reg_rtx when recording output reloads.  Use
1010         reload_reg_rtx_for_input instead of reg_rtx when recording
1011         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1012         at the same time as setting reg_reloaded_valid.
1013         (delete_output_reload): Add a new_reload_reg parameter and use it
1014         instead of rld[j].reg_rtx.
1015         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1016         calls accordingly.
1017
1018 2008-03-25  Tom Tromey  <tromey@redhat.com>
1019
1020         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1021         (build/genattr.o): Likewise.
1022         (build/genattrtab.o): Likewise.
1023         (build/gencodes.o): Likewise.
1024         (build/genconfig.o): Likewise.
1025         (build/genconstants.o): Likewise.
1026         (build/genemit.o): Likewise.
1027         (build/genextract.o): Likewise.
1028         (build/genflags.o): Likewise.
1029
1030 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1031         
1032         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1033         instead of size_int for integer types.
1034         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1035         to match type of MINUS_EXPR.
1036         
1037 2008-03-25  Tom Tromey  <tromey@redhat.com>
1038
1039         * configure: Rebuilt.
1040         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1041         Makefile.
1042
1043 2008-03-25  Tom Tromey  <tromey@redhat.com>
1044
1045         * config/x-solaris (host-solaris.o): Update.
1046         * config/x-linux (host-linux.o): Update.
1047         * config/x-hpux (host-hpux.o): Update.
1048         * config/x-darwin (host-darwin.o): Update.
1049         * config/v850/t-v850e (v850-c.o): Update.
1050         * config/v850/t-v850 (v850-c.o): Update.
1051         * config/t-vxworks (vxworks.o): Update.
1052         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1053         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1054         * config/spu/t-spu-elf (spu-c.o): Update.
1055         (spu.o): Remove.
1056         * config/sh/t-symbian (sh-c.o): Update.
1057         (symbian.o): Update.
1058         * config/sh/t-sh (sh-c.o): Update.
1059         * config/score/t-score-elf (score7.o, score3.o): Update.
1060         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1061         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1062         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1063         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1064         (rs6000.o): Remove.
1065         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1066         * config/m32c/t-m32c (m32c-pragma.o): Update.
1067         * config/ia64/t-ia64 (ia64-c.o): Update.
1068         * config/i386/x-mingw32 (host-mingw32.o): Update.
1069         * config/i386/x-i386 (driver-i386.o): Update.
1070         * config/i386/x-darwin (host-i386-darwin.o): Update.
1071         * config/i386/x-cygwin (host-cygwin.o): Update.
1072         * config/i386/t-nwld (nwld.o): Update.
1073         * config/i386/t-netware (netware.o): Update.
1074         * config/i386/t-interix (winnt.o): Update.
1075         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1076         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1077         msformat-c.o): Update.
1078         * config/bfin/t-bfin-linux (generated_files): Add
1079         linux-sysroot-suffix.h.
1080         * config/arm/t-wince-pe (pe.o): Update.
1081         * config/arm/t-strongarm-pe (pe.o): Update.
1082         * config/arm/t-pe (pe.o): Update.
1083         * config/arm/t-arm (arm-c.o): Update.
1084         * doc/install.texi (Prerequisites): Require make 3.80.
1085         * Makefile.in: Remove .o targets.
1086         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1087         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1088         (simple_generated_h, simple_generated_c): Move earlier.
1089         (generated_files): New variable.
1090         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1091         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1092         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1093         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1094         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1095         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1096         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1097         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1098         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1099         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1100         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1101         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1102         (.c.o): Remove.
1103         (COMPILE.base, COMPILE): New variables.
1104         (%.o): New pattern rule.
1105         (ALL_HOST_OBJS): New variable.
1106         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1107         (dummy-checksum.o, cc1-checksum.o): Remove.
1108         (DRIVER_SHLIB): New variable.
1109         (DRIVER_DEFINES): Use it.
1110         (gencondmd.c): Move out of build/.
1111         (s-conditions): Update.
1112         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1113         (ALL_BUILD_OBJS): Likewise.
1114         (build/%.o): Use BUILDCOMPILE.
1115         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1116         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1117         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1118         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1119         build/genconfig.o, build/genconstants.o, build/genemit.o,
1120         build/genextract.o, build/genflags.o, build/genmddeps.o,
1121         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1122         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1123         build/gen-protos.o, build/scan.o, build/fix-header.o,
1124         build/scan-decls.o): Simplify.
1125         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1126         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1127         prefix.o, toplev.o): Reduce to variable setting.
1128         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1129         ($(out_object_file), gcc-options.o): New targets.
1130         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1131         * configure: Rebuilt.
1132         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1133         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1134
1135 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1136
1137         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1138         complain when we hit an error, return ERROR_MARK_NODE.
1139
1140 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1141
1142         * config/sh/constraints.md (Pso, Psz): New constraints.
1143         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1144         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1145
1146 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1147
1148         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1149         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1150
1151 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1152
1153         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1154         (prefetch_sh2a): New.   
1155
1156 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1157             Naveen.H.S  <naveen.hs@kpitcummins.com>
1158
1159         * config/sh/constraints.md (I28): New constraint.
1160         * config/sh/sh.c (broken_move): Add support for movi20s.
1161         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1162
1163 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1164             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1165             Naveen.H.S  <naveen.hs@kpitcummins.com>
1166
1167         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1168         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1169         (print_operand): Handle resbank in %@ operand code.
1170         (sh_encode_section_info): New.
1171         (push_regs): Add conditions for resbank.
1172         (sh_expand_epilogue): Likewise.
1173         (sh_insert_attributes): Likewise.
1174         (sh_attribute_table): Likewise.
1175         (sh_handle_resbank_handler_attribute): New.
1176         (sh2a_handle_function_vector_handler_attribute): New.
1177         (sh2a_is_function_vector_call): New.
1178         (sh2a_get_function_vector_number): New.
1179         (sh2a_function_vector_p): New.
1180         (sh_cfun_resbank_handler_p): New.
1181         * config/sh/sh.md (calli): Emit jsr/n if possible.
1182         (calli_tbr_rel): New.
1183         (calli_pcrel): Emit jsr/n if possible.
1184         (return_i): Emit rts/n if possible.
1185         (call_valuei_tbr_rel): New.
1186         (call_valuei_pcrel): Add condition for SH2A target.
1187         (call_value): Likewise.
1188         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1189         (sh2a_get_function_vector_number): Likewise.
1190         (sh2a_is_function_vector_call): Likewise.
1191         * doc/extend.texi: Document TBR relative addressing of SH2A.
1192         (resbank): Add description for SH2A.
1193
1194 2008-03-24  Richard Guenther  <rguenther@suse.de>
1195
1196         PR c/22371
1197         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1198         pointer assignments change conversions according to middle-end rules.
1199         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1200         * configure.ac: Include type checking in yes.
1201         * configure: Regenerate.
1202
1203 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1204
1205         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1206         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1207         
1208 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1209
1210         * gthr-vxworks.h (UNUSED): Define.
1211
1212 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1213
1214         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1215
1216 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1217
1218         * doc/extend.texi (Function Attributes): Add missing comma in the
1219         example of the "alloc_size" attribute.
1220         
1221 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1222
1223         Revert:
1224         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1225
1226         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1227         32bit host.
1228
1229         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1230
1231         PR target/35496
1232         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1233         of the underlying type of a MS bitfield layout to the natural
1234         alignment of the type.
1235
1236         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1237
1238         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1239         to their natural alignment to avoid store forwarding stalls.
1240
1241 2008-03-22  Richard Guenther  <rguenther@suse.de>
1242
1243         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1244         For PHI nodes verify the address is invariant.
1245         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1246         (get_symbol_constant_value): Use is_gimple_min_invariant.
1247         (maybe_fold_stmt_indirect): Likewise.
1248
1249 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1250
1251         PR rtl-optimization/33927
1252         * Makefile.in (dse.o): Depend on $(TM_P_H).
1253         * expr.h (extract_low_bits): Declare.
1254         * expmed.c (extract_low_bits): New function.
1255         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1256         * dse.c: Include tm_p.h.
1257         (find_shift_sequence): Remove the read_reg argument and return the
1258         read value.  Emit the instructions instead of returning them.
1259         Iterate on new_mode rather than calculating it each time.
1260         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1261         source to NEW_MODE and extract_low_bits to convert the shifted
1262         value to READ_MODE.
1263         (replace_read): Allow the load and store to have different mode
1264         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1265         or extraction instructions before trying the replacement.  Update
1266         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1267
1268 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1269
1270         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1271         to their natural alignment to avoid store forwarding stalls.
1272
1273 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1274
1275         PR target/27946
1276         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1277         encouraging but not allowing gprs for input;
1278         change the input constraint to !f#r.
1279         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1280         gprs for output;
1281         change the output constraint to !f#r.
1282
1283 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1284
1285         PR target/13958
1286         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1287         corresponding post-reload splitters.
1288         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1289         when x87 FP math is selected.
1290         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1291         New function prototype.
1292         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1293         unreachable function to ease macroization of insn patterns.
1294
1295 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1296
1297         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1298         reference dumps if ddr is NULL or dependence is unknown.
1299
1300 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1301
1302         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1303         unsigned extension into account.
1304         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1305         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1306         Do computations on a scratch register.
1307
1308 2008-03-21  Richard Guenther  <rguenther@suse.de>
1309
1310         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1311         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1312         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1313         * tree-ssa-dom.c (record_equality): Likewise.
1314         * tree-inline.c (copy_body_r): Likewise.
1315         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1316         TREE_INVARIANT.
1317
1318 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1319
1320         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1321         as 'delete_unused' argument.
1322
1323 2008-03-20  Richard Guenther  <rguenther@suse.de>
1324
1325         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1326         special casing of constant qualifiers.
1327         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1328         care about them in general.
1329         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1330         regardless of their type.
1331         (fold_stmt_r): Forcefully fold *& if we end up with that.
1332
1333 2008-03-20  Paul Brook  <paul@codesourcery.com>
1334
1335         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1336         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1337         linker flags.
1338         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1339         definition.
1340         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1341         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1342
1343 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1344
1345         * common.opt (Wmudflap): New option.
1346         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1347         (mx_register_decls): Likewise.
1348         (mudflap_finish_file): Likewise.
1349         * doc/invoke.texi: Document -Wno-mudflap.
1350
1351 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1352
1353         * c-format.c (replace_format_name_to_system_name): New.
1354         (cmp_attribs): New.
1355         (convert_format_name_to_system_name): New.
1356         (decode_format_attr): Add use of convert_format_name_to_system_name.
1357         (format_types_orig): Add gnu_ prefix to names.
1358         (check_format_info_main): Special treating of \0 escaped names for
1359         supporting multi-character format specifiers as I32, I64.
1360         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1361         (gnu_target_overrides_format_attributes): New.
1362         * c-format.h: Add structure target_ovr_attr to hold
1363         system specific formatter names.
1364         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1365         msformat-c.o file to c_target_objs and cxx_target_objs.
1366         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1367         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1368         (TARGET_N_FORMAT_TYPES): New.
1369         * config/i386/msformat-c.c: New.
1370         * config/i386/t-cygming: Add build rule for msformat-c.o.
1371         * doc/extend.texi: Add new format names gnu_* and ms_* and
1372         further details.
1373         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1374
1375 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1376
1377         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1378         optimizations turned on under -O3.
1379         (ftree-vectorize): Add that the flag is turned on with -O3.
1380
1381 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1382
1383         * regmove.c (try_auto_increment): Fix spelling error in comment.
1384         * final.c (final_scan_insn): Likewise.
1385
1386 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1387
1388         PR target/14552
1389         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1390         allocator preferences for "y" and "r" class registers.
1391         ("*mov<mode>_internal"): Ditto.
1392         ("*movv2sf_internal_rex64"): Ditto.
1393         ("*movv2sf_internal"): Ditto.
1394
1395 2008-03-19  Michael Matz  <matz@suse.de>
1396
1397         PR middle-end/35616
1398         * calls.c (expand_call): Check overlap of arguments with call
1399         address for sibcalls.
1400
1401 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1402
1403         PR target/35496
1404         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1405         of the underlying type of a MS bitfield layout to the natural
1406         alignment of the type.
1407
1408 2008-03-19  Jan Hubicka  <jh@suse.cz>
1409
1410         PR other/35094
1411         * toplev.c (decode_d_option): Handle all CPP flags.
1412         * tree-vrp.c: Update tree_pass descriptors.
1413         * regrename.c: Update tree_pass descriptors.
1414         * fwprop.c: Update tree_pass descriptors.
1415         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1416         * tree-into-ssa.c: Update tree_pass descriptors.
1417         * tree-dump.c: Update tree_pass descriptors.
1418         * tree-complex.c: Update tree_pass descriptors.
1419         * tree-dump.h: Update tree_pass descriptors.
1420         * see.c: Update tree_pass descriptors.
1421         * cgraphbuild.c: Update tree_pass descriptors.
1422         * tracer.c: Update tree_pass descriptors.
1423         * tree-loop-distribution.c: Update tree_pass descriptors.
1424         * cgraph.c: Update tree_pass descriptors.
1425         * postreload-gcse.c: Update tree_pass descriptors.
1426         * postreload.c: Update tree_pass descriptors.
1427         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1428         * tree-tailcall.c: Update tree_pass descriptors.
1429         * tree-pass.h (tree_opt_pass): Rename to ...
1430         (opt_pass) ... this one; add "type" field and remove letter field.
1431         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1432         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1433         all_lowering_passes): Update declaration.
1434         * ipa-cp.c: Update tree_pass descriptors.
1435         * final.c: Update tree_pass descriptors.
1436         * omp-low.c: Update tree_pass descriptors.
1437         * tree-ssa-dse.c: Update tree_pass descriptors.
1438         * ipa-reference.c: Update tree_pass descriptors.
1439         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1440         * auto-inc-dec.c: Update tree_pass descriptors.
1441         * reorg.c: Update tree_pass descriptors.
1442         * cgraphunit.c: Update tree_pass descriptors.
1443         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1444         * tree-ssa-ccp.c: Update tree_pass descriptors.
1445         * df-core.c: Update tree_pass descriptors.
1446         * mode-switching.c: Update tree_pass descriptors.
1447         * tree-nomudflap.c: Update tree_pass descriptors.
1448         * modulo-sched.c: Update tree_pass descriptors.
1449         * ipa-pure-const.c: Update tree_pass descriptors.
1450         * cse.c: Update tree_pass descriptors.
1451         * web.c: Update tree_pass descriptors.
1452         * tree-stdarg.c: Update tree_pass descriptors.
1453         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1454         * tree-ssa-dom.c: Update tree_pass descriptors.
1455         * tree-nrv.c: Update tree_pass descriptors.
1456         * tree-ssa-alias.c: Update tree_pass descriptors.
1457         * loop-init.c: Update tree_pass descriptors.
1458         * gimple-low.c: Update tree_pass descriptors.
1459         * ipa-inline.c: Update tree_pass descriptors.
1460         * tree-ssa-sink.c: Update tree_pass descriptors.
1461         * global.c: Update tree_pass descriptors.
1462         * ifcvt.c: Update tree_pass descriptors.
1463         * jump.c: Update tree_pass descriptors.
1464         * predict.c: Update tree_pass descriptors.
1465         * tree-ssa-loop.c: Update tree_pass descriptors.
1466         * recog.c: Update tree_pass descriptors.
1467         * dse.c: Update tree_pass descriptors.
1468         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1469         * tree-eh.c: Update tree_pass descriptors.
1470         * regmove.c: Update tree_pass descriptors.
1471         * local-alloc.c
1472         * function.c: Update tree_pass descriptors.
1473         * tree-vectorizer.c: Update tree_pass descriptors.
1474         * gcse.c: Update tree_pass descriptors.
1475         * ipa-type-escape.c: Update tree_pass descriptors.
1476         * tree-if-conv.c: Update tree_pass descriptors.
1477         * init-regs.c: Update tree_pass descriptors.
1478         * ipa.c: Update tree_pass descriptors.
1479         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1480         * rtl-factoring.c: Update tree_pass descriptors.
1481         * lower-subreg.c: Update tree_pass descriptors.
1482         * bt-load.c: Update tree_pass descriptors.
1483         * tree-dfa.c: Update tree_pass descriptors.
1484         * except.c: Update tree_pass descriptors.
1485         * emit-rtl.c: Update tree_pass descriptors.
1486         * cfgexpand.c: Update tree_pass descriptors.
1487         * tree-cfgcleanup.c: Update tree_pass descriptors.
1488         * cfgcleanup.c: Update tree_pass descriptors.
1489         * tree-ssa-pre.c: Update tree_pass descriptors.
1490         * tree-sra.c: Update tree_pass descriptors.
1491         * tree-mudflap.c: Update tree_pass descriptors.
1492         * tree-ssa-copy.c: Update tree_pass descriptors.
1493         * cfglayout.c: Update tree_pass descriptors.
1494         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1495         * tree-ssa-dce.c: Update tree_pass descriptors.
1496         * tree-ssa.c: Update tree_pass descriptors.
1497         * regclass.c: Update tree_pass descriptors.
1498         * integrate.c: Update tree_pass descriptors.
1499         * tree-optimize.c: Update tree_pass descriptors.
1500         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1501         * tree-object-size.c: Update tree_pass descriptors.
1502         * combine.c: Update tree_pass descriptors.
1503         * tree-outof-ssa.c: Update tree_pass descriptors.
1504         * bb-reorder.c: Update tree_pass descriptors.
1505         * stack-ptr-mod.c: Update tree_pass descriptors.
1506         * var-tracking.c: Update tree_pass descriptors.
1507         * tree-profile.c: Update tree_pass descriptors.
1508         * tree-vect-generic.c: Update tree_pass descriptors.
1509         * reg-stack.c: Update tree_pass descriptors.
1510         * sched-rgn.c: Update tree_pass descriptors.
1511         * tree-ssa-structalias.c: Update tree_pass descriptors.
1512         * tree-cfg.c: Update tree_pass descriptors.
1513         * passes.c (current_pass): Update declaration.
1514         (finish_optimization_passes): Update.
1515         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1516         (register_one_dump_file, register_dump_files_1, next_pass_1):
1517         Update arguments.
1518         (init_optimization_passes): Update handling of new types.
1519         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1520         * ipa-struct-reorg.c: Update tree_pass descriptors.
1521         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1522         * combine-stack-adj.c: Update tree_pass descriptors.
1523         * cfgrtl.c: Update tree_pass descriptors.
1524         * dce.c: Update tree_pass descriptors.
1525         * tree-ssanames.c: Update tree_pass descriptors.
1526
1527 2008-03-19  Richard Guenther  <rguenther@suse.de>
1528
1529         PR middle-end/35609
1530         * tree-ssa.c (walk_data): New structure.
1531         (warn_uninitialized_var): If not always_executed warn with "maybe"
1532         instead of "is".
1533         (execute_early_warn_uninitialized): Compute post-dominators.
1534         Initialize always_executed before processing each basic block.
1535
1536 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1537
1538         PR target/35504
1539         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1540         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1541
1542 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1543
1544         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1545
1546 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1547
1548         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1549         is true.
1550         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1551         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1552         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1553         target after ignore has been set, and move there also the commputation
1554         of subtarget and original_target.
1555         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1556         (LANG_HOOKS_INITIALIZER): Remove it.
1557         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1558
1559 2008-03-18  Richard Guenther  <rguenther@suse.de>
1560
1561         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1562         found an expression with constants, note that in the VN for the lhs.
1563         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1564         fold them to constants if possible.  Run cleanup_cfg if done so.
1565         (execute_pre): Return todo.
1566         (do_pre): Likewise.
1567         (execute_fre): Likewise.
1568         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1569         of constants.
1570         (get_prop_source_stmt): Look through pointer conversions.
1571
1572 2008-03-18  Jan Hubicka  <jh@suse.cz>
1573
1574         * tree-pretty-print.c: Include predict.h.
1575         (dump_generic_node): Dump predictor.
1576         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1577         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1578         * gimple-low.c (lower_stmt): Likewise.
1579         * expr.c (expand_expr_real): Likewise.
1580         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1581         them.
1582         (build_predict_expr, build_predict_expr): New.
1583         * predict.h (predictor_name, build_predict_expr): Update.
1584         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1585         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1586         * predict.def (PRED_CONTINUE): Update hitrate.
1587         * tree.def (PREDICT_EXPR): Define.
1588         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1589         do not handle BIND_EXPR.
1590         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1591         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1592         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1593         operands.
1594
1595 2008-03-18  Michael Matz  <matz@suse.de>
1596
1597         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1598
1599 2008-03-18  Richard Guenther  <rguenther@suse.de>
1600
1601         * tree-gimple.h (is_gimple_invariant_address): Declare.
1602         (is_gimple_constant): Likewise.
1603         * tree-gimple.c (is_gimple_constant): New function.
1604         (is_gimple_invariant_address): Likewise.
1605         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1606         and is_gimple_invariant_address.
1607         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1608         previous change.
1609         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1610         an addressable base.
1611
1612 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1613
1614         PR middle-end/35611
1615         * gimplify.c (gimplify_expr): Gimplify second operand of
1616         OMP_ATOMIC_LOAD.
1617
1618 2008-03-17  Richard Guenther  <rguenther@suse.de>
1619
1620         PR tree-optimization/19637
1621         * fold-const.c (fold_unary): Remove restrictions of removing
1622         intermediate pointer-conversions (P2)(P1)P0.
1623         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1624         conversion to void pointer.
1625         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1626
1627 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1628
1629         PR debug/31510
1630         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1631         emulated thread local variables.
1632
1633 2008-03-16  Richard Guenther  <rguenther@suse.de>
1634
1635         PR middle-end/35607
1636         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1637         expand TREE_INVARIANT operations that are not gimple invariant.
1638
1639 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1640
1641         * doc/extend.texi (Alignment): Say that the ABI controls
1642         the __alignof__ for non-strict-alignment targets rather
1643         than being a recommendation.
1644
1645 2008-03-15  Paul Brook  <paul@codesourcery.com>
1646
1647         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1648         annotations.
1649         (arm_output_fn_unwind): Mark functions that can not be unwound.
1650
1651 2008-03-15  Paul Brook  <paul@codesourcery.com>
1652
1653         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1654         extension instructions.
1655
1656 2008-03-15  Richard Guenther  <rguenther@suse.de>
1657
1658         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1659         and fold constant aggregate refs.
1660         (fold_const_aggregate_ref): Handle string constants
1661         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1662         (evaluate_stmt): Simplify now that ccp_fold folds constant
1663         aggregate refs.
1664
1665 2008-03-15  Paul Brook  <paul@codesourcery.com>
1666
1667         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1668         (extzv): Use gen_extzv_t2.
1669         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1670
1671 2008-03-15  Richard Guenther  <rguenther@suse.de>
1672
1673         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1674         (fold_const_aggregate_ref): Likewise.
1675         (get_value): Return NULL if we don't have any values.
1676         (ccp_finalize): Set const_val to NULL after freeing it.
1677         * tree-flow.h (get_symbol_constant_value): Declare.
1678         (fold_const_aggregate_ref): Likewise.
1679         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1680
1681 2008-03-15  Richard Guenther  <rguenther@suse.de>
1682
1683         PR middle-end/35593
1684         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1685         to not produce negative array indices if not allowed.  Add
1686         parameter to indicate that.
1687         (maybe_fold_offset_to_component_ref): Allow negative array
1688         indices only for the first member of a structure.
1689         (maybe_fold_offset_to_reference): Allow negative array indices.
1690         (maybe_fold_stmt_addition): Likewise.
1691
1692 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1693             Anatoly Sokolov <aesok@post.ru>
1694
1695         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1696         (avr_arch): Add ARCH_AVR6.
1697         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1698         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1699         instead of fixed value 2.
1700         (print_operand_address): Use gs() asm specifier instead of pm().
1701         (avr_assemble_integer): (Ditto.).
1702         (avr_output_addr_vec_elt): (Ditto.).
1703         (print_operand): Handle "!" code.
1704         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1705         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1706         (AVR_HAVE_EIJMP_EICALL): Define.
1707         (AVR_3_BYTE_PC): Redefine.
1708         (AVR_2_BYTE_PC): (Ditto.).
1709         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1710         (LINK_SPEC): Add atmega2560 and atmega2561.
1711         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1712         (crtm2561.o).
1713         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1714         for 3 byte PC devices.
1715         (call_value_insn): (Ditto.).
1716         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1717         (indirect_jump): Use only for for 2 byte PC devices.
1718         (*tablejump): (Ditto.).
1719         (*indirect_jump_avr6): Add insn.
1720         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1721         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1722         instead of ijmp for 3 byte PC devices.
1723         (__tablejump2__): (Ditto.).
1724         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1725         (MULITLIB_DIRNAMES): (Ditto.). 
1726         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1727
1728 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1729
1730         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1731         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1732         ("mmx_psadbw"): Use V1DI mode for operand 0.
1733         * config/i386/i386-modes.def (V1SI): New vector mode.
1734         * config/i386/i386.c (struct builtin_description)
1735         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1736         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1737         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1738         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1739         v1di_ftype_v8qi_v8qi type.
1740         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1741
1742         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1743         __builtin_ia32_pmuludq]: Fix the mode of return value.
1744
1745 2008-03-15  Richard Guenther  <rguenther@suse.de>
1746
1747         PR middle-end/35595
1748         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1749         being a PHI_NODE.
1750
1751 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1752         
1753         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1754         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1755         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1756         unless TARGET_SERIALIZE_VOLATILE is enabled.
1757         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1758         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1759         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1760
1761 2008-03-14  Richard Guenther  <rguenther@suse.de>
1762
1763         PR tree-optimization/34172
1764         * tree-flow.h (refs_may_alias_p): Declare.
1765         (get_single_def_stmt): Likewise.
1766         (get_single_def_stmt_from_phi): Likewise.
1767         (get_single_def_stmt_with_phi): Likewise.
1768         * tree-dfa.c (refs_may_alias_p): New function.
1769         (get_single_def_stmt): Likewise.
1770         (get_single_def_stmt_from_phi): Likewise.
1771         (get_single_def_stmt_with_phi): Likewise.
1772         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1773         (vn_reference_lookup_1): New helper function.
1774         (vn_reference_lookup): Walk the virtual use-def chain to
1775         continue searching for a match if the def does not alias the
1776         reference we are looking for.
1777
1778 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1779
1780         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1781         archive and Perzl.  Update The Written Word listing.
1782
1783 2008-03-14  Richard Guenther  <rguenther@suse.de>
1784
1785         PR tree-optimization/34043
1786         PR tree-optimization/33989
1787         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1788         when doing FRE.
1789         (bitmap_find_leader): Use extra argument to verify dominance
1790         relationship inside a basic-block.
1791         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1792         (find_leader_in_sets): Adjust.
1793         (create_component_ref_by_pieces): Take extra argument for
1794         dominance check, handle lookup failures.
1795         (find_or_generate_expression): Likewise.
1796         (create_expression_by_pieces): Likewise.
1797         (insert_into_preds_of_block): Adjust.
1798         (create_value_expr_from): If asked for, verify all operands
1799         are in the blocks AVAIL_OUT set.
1800         (make_values_for_stmt): Check for SSA_NAMEs that are life
1801         over an abnormal edge.
1802         (compute_avail): Remove such check.
1803         (do_SCCVN_insertion): New function.
1804         (eliminate): If we do not find a leader suitable for replacement
1805         insert a replacement expression from SCCVN if available.
1806         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1807         (struct vn_ssa_aux): Add needs_insertion flag.
1808         * tree-ssa-sccvn.c (may_insert): New global flag.
1809         (copy_reference_ops_from_ref): Value-number union member access
1810         based on its size, not type and member if insertion is allowed.
1811         (visit_reference_op_load): For a weak match from union type
1812         punning lookup a view-converted value and insert a SSA_NAME
1813         for that value if that is not found.
1814         (visit_use): Make dumps shorter.  Do not disallow value numbering
1815         SSA_NAMEs that are life over an abnormal edge to constants.
1816         (free_scc_vn): Release inserted SSA_NAMEs.
1817         (run_scc_vn): New flag to specify whether insertion is allowed.
1818         Process SSA_NAMEs in forward order.
1819         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1820         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1821         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1822         pointer type to/from integral types that do not change the
1823         precision to regular conversions.
1824
1825 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1826
1827         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1828         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1829         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1830         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1831         input arguments and the mode of return value.  Built-in functions
1832         that operate on whole 64-bit MMX register now use V1DI mode.
1833
1834 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1835             Olga Golovanevsky  <olga@il.ibm.com>
1836
1837         PR tree-optimization/35041
1838         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1839         to locate the right position in a statement.
1840
1841 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1842
1843         PR target/34000
1844         PR target/35553
1845         * config/i386/xmmintrin.h:  Change all static inline functions to
1846         extern inline and add __gnu_inline__ attribute.
1847         * config/i386/bmintrin.h: Ditto.
1848         * config/i386/smmintrin.h: Ditto.
1849         * config/i386/tmmintrin.h: Ditto.
1850         * config/i386/mmintrin-common.h: Ditto.
1851         * config/i386/ammintrin.h: Ditto.
1852         * config/i386/emmintrin.h: Ditto.
1853         * config/i386/pmmintrin.h: Ditto.
1854         * config/i386/mmintrin.h: Ditto.
1855         * config/i386/mm3dnow.h: Ditto.
1856
1857 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1858
1859         PR middle-end/35185
1860         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1861         (lower_omp_2): New function.
1862         (lower_omp_1, lower_omp): Rewritten.
1863
1864 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1865
1866         PR 35054
1867         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1868         with the phrase "Microsoft Windows compilers".
1869         (Push/Pop Macro Pragmas): New subsection. Document
1870         #pragma push_macro and pragma pop_macro.
1871
1872 2008-03-12  Paul Brook  <paul@codesourcery.com>
1873
1874         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1875
1876 2008-03-12  Paul Brook  <paul@codesourcery.com>
1877
1878         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1879         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1880         (thumb2_addsi_shortim): Rename ...
1881         (thumb2_addsi_short): ... to this.  Allow register operands.
1882         (thumb2_subsi_short): New pattern.
1883         (thumb2_one_cmplsi2_short,
1884         thumb2_negsi2_short): New patterns and peepholes.
1885
1886 2008-03-12  Paul Brook  <paul@codesourcery.com>
1887
1888         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1889
1890 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1891
1892         * config/i386/i386.md (int_cond): New code iterator.
1893         (fp_cond): Ditto.
1894         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1895         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1896         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1897         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1898         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1899         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1900         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1901         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1902
1903 2008-03-12  Paul Brook  <paul@codesourcery.com>
1904
1905         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1906         instead of {arm,thumb}_compute_save_reg_mask.
1907         (output_return_instruction): Ditto.
1908         (thumb_unexpanded_epilogue): Ditto.
1909         (thumb1_expand_prologue): Ditto.
1910         (thumb1_output_function_prologue): Ditto.
1911         (arm_set_return_address): Ditto.
1912         (thumb_set_return_address): Ditto.
1913         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1914         regs to achieve stack alignment.
1915         (thumb1_compute_save_reg_mask): Fix compiler warning.
1916         (arm_output_epilogue): Use offsets->saved_regs_mask.
1917         Adjust stack pointer by poping call clobered registers.
1918         (arm_expand_prologue): Use offsets->saved_regs_mask.
1919         Adjust stack pointer by pushing extra registers.
1920         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1921
1922 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1923
1924         PR tree-opt/35422
1925         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1926         conversion to the operands of a multiplication.
1927
1928 2008-03-12  Richard Guenther  <rguenther@suse.de>
1929
1930         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1931         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1932         * timevar.def (TV_TREE_PHIPROP): Add.
1933         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1934         pass description.  Use TV_TREE_PHIPROP.
1935         * tree-ssa-forwprop.c: Remove phiprop code.
1936
1937 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1938
1939         PR middle-end/35549
1940         * omp-low.c (maybe_lookup_decl): Constify first argument.
1941         (use_pointer_for_field): Change last argument from bool to
1942         omp_context *.  Disallow shared copy-in/out in nested
1943         parallel if decl is shared in outer parallel too.
1944         (build_outer_var_ref, scan_sharing_clauses,
1945         lower_rec_input_clauses, lower_copyprivate_clauses,
1946         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1947
1948 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1949             Ira Rosen  <irar@il.ibm.com>
1950
1951         * tree-vectorizer.c (free_stmt_vec_info): New function.
1952         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1953         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1954         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1955         * tree-vect-transform.c (vectorizable_conversion): Free
1956         vec_oprnds0 if it was allocated.
1957         (vect_permute_store_chain): Remove unused VECs.
1958         (vectorizable_store): Free VECs that are allocated in the..
1959         function.
1960         (vect_transform_strided_load, vectorizable_load): Likewise.
1961         (vect_remove_stores): Simplify the code.
1962         (vect_transform_loop): Move code to vect_remove_stores().
1963         Call vect_remove_stores() and free_stmt_vec_info().
1964
1965 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1966
1967         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1968         TARGET_HPUX.  Revise comment.
1969         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1970         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1971         Use sr4 variant of `be' instruction when not generating PIC code.
1972         (attr_length_call): Adjust for above change.
1973
1974 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1975
1976         * ipa-reference.c (static_execute): Remove module_statics_const and
1977         associated setting code.
1978
1979 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1980
1981         PR target/35540
1982         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1983         predicate for operand 1.
1984         (paritysi2_cmp): Use register_operand predicate for operand 2.
1985         Use earlyclobber modifier for operand 1.  Remove support for
1986         memory operands.
1987         (paritydi2_cmp): Use register_operand predicate for operand 3.
1988         Use earlyclobber modifier for operand 1.  Remove support for
1989         memory operands.
1990
1991 2008-03-11  Paul Brook  <paul@codesourcery.com>
1992             Vladimir Prus  <vladimir@codesourcery.com>
1993
1994         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1995         (arm_compute_save_reg0_reg12_mask): Always
1996         check if register 11 must be saved.  Always safe hard frame pointer
1997         when frame_pointer_needeed.
1998         (arm_compute_save_reg_mask): Save IP and PC
1999         only with apcs frames.
2000         (arm_output_epilogue): Adjust Thumb2 codepath to
2001         be also invoked and work for ARM non-apcs frames.
2002         (arm_expand_prologue): Don't bother saving IP
2003         for non-apcs frame, since it's not clobbered by
2004         prologue code.  Implement non-apcs frame
2005         layout.
2006
2007 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2008
2009         PR rtl-optimization/35281
2010         * expr.c (convert_move): Use a new pseudo for the intermediate
2011         from_mode->word_mode result.
2012
2013 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2014
2015         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2016         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2017         * toplev.c (compile_file): Don't call it.
2018
2019 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2020
2021         PR middle-end/35526
2022         * expr.c (store_expr): Call emit_block_move if the mode
2023         of "temp" RTX is BLKmode.
2024
2025 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2026             Richard Guenther  <rguenther@suse.de>
2027
2028         PR tree-optimization/31358
2029         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2030         the step with a NULL_TREE.
2031         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2032         to sizetype if type is a pointer type.
2033         (add_candidate_1): Don't convert the base and step to
2034         the generic type if the orginal type is a pointer type.
2035         (add_iv_value_candidates): Use sizetype for the step
2036         if type is a pointer type.
2037         (cand_value_at): Likewise.
2038         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2039         for pointer types.
2040         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2041         Don't convert the tem affine to the type.
2042         (add_elt_to_tree): Use sizetype for the step if a pointer.
2043         Use POINTER_PLUS_EXPR for pointers.
2044         (aff_combination_to_tree): Use sizetype for the step if a
2045         pointer.
2046
2047 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2048
2049         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2050         Remove commutativity hint.
2051
2052 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2053
2054         PR c/35438
2055         PR c/35439
2056         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2057         errorneous type.  Check that v is a VAR_DECL.
2058
2059         PR middle-end/35099
2060         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2061
2062 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2063
2064         PR tree-optimization/35494
2065         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2066         may be overriden at link and run time.
2067
2068 2008-03-10  Richard Guenther  <rguenther@suse.de>
2069
2070         PR tree-optimization/34677
2071         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2072         (poolify_tree): Likewise.
2073         (modify_expr_template): Likewise.
2074         (poolify_modify_stmt): Likewise.
2075         (insert_fake_stores): Handle all component-ref style stores
2076         in addition to INDIRECT_REF.  Also handle complex types.
2077         Do not poolify the inserted load.
2078         (realify_fake_stores): Do not rebuild the tree but only
2079         make it a SSA_NAME copy.
2080         (init_pre): Remove initialzation of modify_expr_template.
2081         Do not allocate modify_expr_node_pool.
2082         (fini_pre): Do not free modify_expr_node_pool.
2083
2084 2008-03-10  Paul Brook  <paul@codesourcery.com>
2085
2086         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2087         to avoid conflicts.
2088
2089 2008-03-10  Paul Brook  <paul@codesourcery.com>
2090             Mark Shinwell  <shinwell@codesourcery.com>
2091
2092         * config/arm/cortex-r4.md: New.
2093         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2094         insn attributes.
2095         * config/arm/arm.md: Include cortex-r4.md.
2096         (insn): Add smmls, sdiv and udiv values.
2097         (generic_sched): Don't use generic scheduling for Cortex-R4.
2098         (arm_issue_rate): New function.
2099         (TARGET_SCHED_ISSUE_RATE): Define.
2100
2101 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2102
2103         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2104
2105 2008-03-10  Richard Guenther  <rguenther@suse.de>
2106
2107         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2108         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2109
2110 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2111
2112         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2113         Set default to true.
2114
2115 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2116
2117         * c.opt (Wsynth): Deprecate.
2118         * doc/invoke.texi (Option Summary, Warning Options): Document
2119         -Wno-format-contains-nul.
2120
2121 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2122
2123         PR target/35496
2124         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2125         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2126
2127 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2128
2129         * config/rs6000/rs6000.c (builtin_description): Rename vector
2130         left shift operations.
2131         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2132         (altivec_vsl<VI_char>): Rename to ...
2133         (ashl<mode>3): ... new name.
2134         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2135         gen_ashlv4si3.
2136         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2137
2138 2008-03-08  Richard Guenther  <rguenther@suse.de>
2139
2140         * coverage.h (tree_coverage_counter_addr): Declare.
2141         * coverage.c (tree_coverage_counter_addr): New function.
2142         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2143         before using again.
2144         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2145         (tree_gen_one_value_profiler): Likewise.
2146         (tree_gen_ic_profiler): Likewise.
2147         (tree_gen_average_profiler): Likewise.
2148         (tree_gen_ior_profiler): Likewise.
2149
2150 2008-03-08  Richard Guenther  <rguenther@suse.de>
2151
2152         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2153         (vn_binary_op_insert): Likewise.
2154         (vn_unary_op_lookup): Likewise.
2155         (vn_unary_op_insert): Likewise.
2156         (vn_nary_op_lookup): Declare.
2157         (vn_nary_op_insert): Likewise.
2158         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2159         and binary hashes, use a single obstack for unary_op_pool
2160         and binary_op_pool.
2161         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2162         a single struct vn_nary_op_s.  Store tree code length and
2163         a variable number of operands.
2164         (struct vn_reference_op_struct): Remove unused op2.
2165         (vn_reference_op_eq): Do not compare op2.
2166         (vn_reference_op_compute_hash): Do not compute hash of op2.
2167         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2168         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2169         with vn_nary_op_compute_hash.
2170         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2171         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2172         vn_nary_op_lookup.
2173         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2174         vn_nary_op_insert.
2175         (visit_unary_op): Call nary functions.
2176         (visit_binary_op): Likewise.
2177         (process_scc): Adjust for struct vn_tables_s changes.
2178         (allocate_vn_table): Likewise.
2179         (free_vn_table): Likewise.
2180         * tree-vn.c (vn_add): Call nary functions.
2181         (vn_lookup): Likewise.
2182
2183 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2184
2185         PR target/35498
2186         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2187         wdst back after sync_compare_and_swapqhi_internal.
2188
2189 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2190
2191         PR target/22152
2192         * config/i386/i386-modes.def (V1DI): New vector mode.
2193         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2194         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2195         (MMXMODE248): Ditto.
2196         (MMXMODE): Add V1DI mode.
2197         (mmxvecsize): Change DI mode to V1DI mode.
2198         ("mov<mode>): Use MMXMODEI8 mode iterator.
2199         ("*mov<mode>_internal_rex64"): Ditto.
2200         ("*mov<mode>_internal"): Ditto.
2201         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2202         ("mmx_sub<mode>3"): Ditto.
2203         ("mmx_adddi3"): Remove insn pattern.
2204         ("mmx_subdi3"): Ditto.
2205         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2206         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2207         ("mmx_ashl<mode>3"): Ditto.
2208         ("mmx_lshrdi3"): Remove insn pattern.
2209         ("mmx_ashldi3"): Ditto.
2210         * config/i386/i386.c (classify_argument): Handle V1DImode.
2211         (function_arg_advance_32): Ditto.
2212         (function_arg_32): Ditto.
2213         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2214         mmx_addv1di3 insn pattern.
2215         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2216         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2217         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2218         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2219         Remove definitions of built-in functions.
2220         (V1DI_type_node): New node.
2221         (v1di_ftype_v1di_int): Ditto.
2222         (v1di_ftype_v1di_v1di): Ditto.
2223         (v2si_ftype_v2si_si): Ditto.
2224         (v4hi_ftype_v4hi_di): Remove node.
2225         (v2si_ftype_v2si_di): Ditto.
2226         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2227         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2228         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2229         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2230         Add new builtins using def_builtin_const.
2231         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2232         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2233         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2234         * config/i386/mmintrin.h (__v1di): New typedef.
2235         (_mm_add_si64): Cast arguments to __v1di type.
2236         (_mm_sub_si64): Ditto.
2237         (_mm_sll_pi16): Cast __count to __v4hi type.
2238         (_mm_sll_pi32): Cast __count to __v2si type.
2239         (_mm_sll_si64): Cast arguments to __v1di type.
2240         (_mm_srl_pi16): Cast __count to __v4hi type.
2241         (_mm_srl_pi32): Cast __count to __v2si type.
2242         (_mm_srl_si64): Cast arguments to __v1di type.
2243         (_mm_sra_pi16): Cast __count to __v4hi type.
2244         (_mm_sra_pi32): Cast __count to __v2si type.
2245         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2246         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2247         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2248         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2249         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2250         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2251         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2252         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2253         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2254         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2255         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2256         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2257
2258 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2259
2260         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2261
2262 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2263
2264         PR target/35373
2265         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2266         reg+const addressing for Altivec modes.  Don't generate reg+reg
2267         addressing for TFmode or TDmode quantities.
2268
2269 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2270
2271         * c-common.c (vector_types_convertible_p): Call langhook
2272         instead of comptypes.
2273
2274 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2275
2276         PR tree-opt/35402
2277         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2278         integral and scalar float variables which have a
2279         NULL DECL_INITIAL.
2280
2281 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2282
2283         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2284         dwarf_register_span hook when emitting unwind information for
2285         register-to-memory saves.
2286         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2287         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2288
2289 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2290
2291         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2292         for the same VAR_DECL.
2293
2294 2008-03-06  Tom Tromey  <tromey@redhat.com>
2295
2296         * treelang: Delete.
2297         * doc/standards.texi (Standards): Don't mention treelang.
2298         * doc/invoke.texi (Overall Options): Don't mention treelang.
2299         * doc/install.texi (Prerequisites): Don't mention bison or
2300         treelang.
2301         (Configuration): Don't mention treelang.
2302         (Building): Likewise.
2303         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2304
2305 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2306
2307         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2308         word-extractions out of a multi-word object.
2309
2310 2008-03-06  Richard Guenther  <rguenther@suse.de>
2311
2312         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2313         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2314         result type and precision.
2315         * expr.c (get_inner_reference): Set unsignedp based on the result
2316         type of BIT_FIELD_REF.
2317         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2318         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2319         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2320         for BIT_FIELD_REF.
2321         (sra_build_assignment): Likewise.
2322         (sra_build_elt_assignment): Likewise.
2323         (sra_explode_bitfield_assignment): Likewise.
2324         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2325         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2326         set BIT_FIELD_REF_UNSIGNED.
2327         (vectorizable_load): Likewise.
2328
2329 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2330
2331         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2332         at bb start.
2333
2334 2008-03-06  Richard Guenther  <rguenther@suse.de>
2335
2336         * alias.c (struct alias_set_entry): Move has_zero_child field
2337         to pack with alias_set.
2338
2339 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2340
2341         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2342         32bit host.
2343
2344 2008-03-05  Ian Lance Taylor  <iant@google.com>
2345
2346         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2347
2348 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2349
2350         * fwprop.c (update_df): Support width and offset parameters of
2351         df_ref_create.
2352         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2353         global_conflicts): Change DF_REF_EXTRACT to either
2354         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2355         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2356         * df-scan.c (df_ref_record, df_defs_record,
2357         df_ref_create_structure, df_def_record_1, df_uses_record,
2358         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2359         df_bb_refs_collect, df_entry_block_defs_collect,
2360         df_exit_block_uses_collect): Support new width and offset fields.
2361         (ref_extract_pool): New storage pool.
2362         (df_free_ref): New function.
2363         (df_reg_chain_unlink, df_free_collection_rec,
2364         df_sort_and_compress_refs): Call df_free_ref.
2365         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2366         of df_ref_extract.
2367         (df_ref_create_structure): Allocate df_ref_extract if offset and
2368         width fields are used.
2369         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2370         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2371         and SIGN_EXTRACT.
2372         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2373         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2374         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2375         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2376         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2377         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2378         (df_ref_extract): New structure.
2379         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2380         (df_ref_create): Add width and offset parameters.
2381         
2382 2008-03-05  Richard Guenther  <rguenther@suse.de>
2383
2384         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2385         Use ranges_overlap_p.
2386         (offset_overlaps_with_access): Rename
2387         to ranges_overlap_p and move ...
2388         * tree-flow-inline.h (ranges_overlap_p): ... here.
2389
2390         * tree.h (get_inner_reference, handled_component_p): Update
2391         comments.
2392
2393         * tree.h (record_component_aliases, get_alias_set,
2394         alias_sets_conflict_p, alias_sets_must_conflict_p,
2395         objects_must_conflict_p): Move declarations ...
2396         * alias.h (record_component_aliases, get_alias_set,
2397         alias_sets_conflict_p, alias_sets_must_conflict_p,
2398         objects_must_conflict_p): ... here.
2399         Include coretypes.h.
2400         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2401
2402 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2403
2404         * cfg.c: Include tree-flow.h.
2405         (remove_edge_raw): Call redirect_edge_var_map_clear.
2406         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2407         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2408         (redirect_edge_var_map_result): New.
2409         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2410         PENDING_STMT use with redirect_edge_var_map_*.
2411         * tree-ssa.c (edge_var_maps): New definition.
2412         (redirect_edge_var_map_add): New.
2413         (redirect_edge_var_map_clear): New.
2414         (redirect_edge_var_map_dup): New.
2415         (redirect_edge_var_map_vector): New.
2416         (redirect_edge_var_map_destroy): New.
2417         (ssa_redirect_edge): Replace PENDING_STMT use with
2418         redirect_edge_var_map_*.
2419         (flush_pending_stmts): Same.
2420         (delete_tree_ssa): Destroy edge var map.
2421         * tree-flow.h (struct _edge_var_map): New.
2422         Define edge_var_map vector type.
2423         Declare redirect_edge_var_map_* prototypes.
2424         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2425         * tree-cfg.c (reinstall_phi_args): Replace
2426         PENDING_STMT use with redirect_edge_var_map_*.
2427
2428 2008-03-05  Richard Guenther  <rguenther@suse.de>
2429
2430         PR tree-optimization/35472
2431         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2432         whose single use_stmt has a overlapping set of loaded and
2433         stored symbols as that use_stmt might be a noop assignment then.
2434
2435 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2436
2437         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2438
2439 2008-03-05  Richard Guenther  <rguenther@suse.de>
2440
2441         PR c++/35336
2442         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2443         should be constants.
2444         * tree-cfg.c (verify_expr): Verify it.
2445         * fold-const.c (fold_truthop): Remove code generating
2446         BIT_FIELD_REFs of structure bases.
2447         (fold_binary): Likewise.
2448         (fold_ternary): Position and size of BIT_FIELD_REFs are
2449         always host integers.
2450         (make_bit_field_ref): Remove.
2451         (optimize_bit_field_compare): Remove.
2452         (all_ones_mask_p): Remove.
2453
2454 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2455
2456         PR gcc/33009
2457         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2458         (split_block_and_df_analyze): New. Split basic block and rebuild
2459         dataflow.
2460         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2461         SPLIT_BLOCK.
2462         (split_pattern_seq): Likewise.
2463         (erase_matching_seqs): Likewise.
2464         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2465
2466 2008-03-04  Geoff Keating  <geoffk@apple.com>
2467
2468         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2469         declaration and code.
2470         (tree_invalid_nonnegative_warnv_p): Likewise.
2471
2472 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2473
2474         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2475         examples.  Truncate option-names then causing overfull hbox.
2476
2477 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2478
2479         PR target/35222
2480         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2481         on hpux10.
2482         * configure: Rebuilt.
2483
2484 2008-03-04  Rafael Espindola  <espindola@google.com>
2485
2486         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2487         (tree_unary_nonnegative_warnv_p): New.
2488         (tree_binary_nonnegative_warnv_p): New.
2489         (tree_single_nonnegative_warnv_p): New.
2490         (tree_invalid_nonnegative_warnv_p): New.
2491         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2492
2493 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2494
2495         PR 28322
2496         * opts.c (handle_option): Postpone 'unknown option' errors only for
2497         warning options.
2498
2499 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2500
2501         PR target/35453
2502         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2503         (_SIDD_XXX): This.
2504
2505 2008-03-04  Rafael Espindola  <espindola@google.com>
2506
2507         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2508         (tree_binary_nonzero_warnv_p): New.
2509         (tree_single_nonzero_warnv_p): New.
2510         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2511
2512 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2513
2514         PR middle-end/35456
2515         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2516         transformations for modes that have signed zeros.
2517         * ifcvt.c (noce_try_abs): Ditto.
2518
2519 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2520
2521         * config/i386/i386.c (override_options): Force
2522         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2523
2524 2008-03-04  Jan Hubicka  <jh@suse.cz>
2525
2526         PR c++/35262
2527         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2528         in last commit.
2529
2530 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2531
2532         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2533         label to probe the stack.
2534
2535 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2536
2537         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2538         (__gthr_win32_mutex_destroy): Declare.
2539         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2540         __gthr_win32_mutex_destroy.
2541         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2542
2543 2008-03-03  Jan Hubicka  <jh@suse.cz>
2544
2545         PR c++/35262
2546         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2547         aggressive on inlining cold calls.
2548
2549 2008-03-03  Richard Guenther  <rguenther@suse.de>
2550
2551         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2552         struct copies into the expression table.
2553         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2554         (try_to_simplify): Likewise.
2555         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2556         integral and pointer arguments which do not change the
2557         precision to NOP_EXPRs.
2558         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2559         VIEW_CONVERT_EXPR case.
2560
2561 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2562
2563         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2564         defined in a loop at depth 0 is invariant.
2565         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2566         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2567         be called at loop depth 0.
2568
2569 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2570
2571         PR driver/35420
2572         * gcc.c (process_command): Update copyright notice dates.
2573         * gcov.c (print_version): Likewise.
2574         * gcov-dump.c (print_version): Likewise.
2575         * mips-tfile.c (main): Likewise.
2576         * mips-tdump.c (main): Likewise.
2577
2578 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2579
2580         PR 24924
2581         * c-common.c (flag_permissive): Delete.
2582         (constant_expression_warnings): Check flags first.
2583         (constant_expression_error): New.
2584         * c-common.h (flag_permissive): Delete.
2585         (constant_expression_error): Declare.
2586         * flags.h (flag_permissive): Declare. Update description.
2587         * diagnostic.c (pedwarn): Update.
2588         (permerror): New.
2589         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2590         (permissive_error_kind): New.
2591         * toplev.c (flag_permissive): Define. Update description.
2592         * toplev.h (permissive_error_kind): Declare.
2593         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2594         (pedwarn_c90): Use pedantic_warning_kind.
2595         * c-opts.c (c_common_post_options): flag_permissive does not affect
2596         flag_pedantic_errors.
2597
2598 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2599
2600         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2601         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2602         __absvsi2, __absvDI2): Use unsigned arithmetic.
2603
2604 2008-03-02  Andi Kleen  <ak@suse.de>
2605             Richard Guenther  <rguenther@suse.de>
2606
2607         * struct-equiv.c: Remove file.
2608         * cfg_cleanup.c (condjump_equiv_p): Remove.
2609         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2610         (struct-equiv.o): Remove rule.
2611         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2612         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2613         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2614
2615 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2616
2617         * ifcvt.c (noce_process_if_block): Try to handle only the then
2618         block if the else block exists but isn't suitable.
2619
2620 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2621
2622         PR gcc/35063
2623         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2624         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2625         regression from previous patch.
2626
2627 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2628
2629         PR gcc/35063
2630         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2631         implemented.
2632         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2633         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2634         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2635         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2636         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2637         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2638         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2639         (__gthread_mutex_destroy_function): Rename to
2640         __gthread_mutex_destroy.
2641         * gthr-dce.h (__gthread_mutex_destroy): Call
2642         pthread_mutex_destroy.
2643         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2644         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2645         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2646
2647 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2648
2649         * df-scan.c (df_ref_chain_change_bb): Simplify.
2650         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2651         set_block_for_insn if there's any change.
2652         * df.h ((df_insn_change_bb): Fix prototype.
2653         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2654         df_insn_change_bb, don't call set_block_for_insn.
2655         * emit-rtl.c (reorder_insns): Likewise.
2656         * haifa-sched.c (move_insn): Likewise.
2657
2658 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2659
2660         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2661
2662 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2663
2664         * tree-flow-inline.h (next_readonly_imm_use): Return
2665         NULL_USE_OPERAND_P after the end.
2666
2667 2008-03-01  Richard Guenther  <rguenther@suse.de>
2668
2669         PR tree-optimization/35411
2670         * tree-sra.c (sra_build_assignment): Split conversion to
2671         final type to a separate statement if we are not assigning
2672         to a register.
2673
2674 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2675
2676         * fold-const.c (fold_convertible_p): Correct the logic to follow
2677         that in fold_convert().
2678
2679 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2680
2681         PR c++/35315
2682         * tree-inline.c (build_duplicate_type): When we make a
2683         duplicate type, make it unique in the canonical types system.
2684
2685 2008-02-29  Tom Tromey  <tromey@redhat.com>
2686
2687         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2688         input_file_stack_history, input_file_stack_restored): Remove.
2689         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2690         * input.h (struct file_stack): Remove.
2691         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2692         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2693         Likewise.
2694         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2695         type.
2696         (diagnostic_last_module_changed): Add 'map' argument.
2697         (diagnostic_set_last_function): Likewise.
2698         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2699         line map, not input_file_stack.
2700         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2701
2702 2008-02-29  Paul Brook  <paul@codesourcery.com>
2703
2704         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2705
2706 2008-02-29  Paul Brook  <paul@codesourcery.com>
2707
2708         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2709
2710 2008-02-29  Richard Guenther  <rguenther@suse.de>
2711
2712         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2713         vn_lookup_or_add.
2714         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2715         value for comparing for a store match.
2716         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2717         (try_to_simplify): Do not do a full-blown reference lookup.
2718
2719 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2720
2721         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2722         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2723
2724         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2725
2726 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2727
2728         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2729         strides against cache sizes.
2730
2731 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2732
2733         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2734         constant to fpul.
2735
2736 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2737
2738         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2739         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2740         is smaller than the original promoted value.
2741         (simplify_subreg): If OP is a SUBREG, try to preserve its
2742         SUBREG_PROMOTED_VAR_P information.
2743
2744 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2745
2746         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2747         (VN_INFO_GET): Allocate new objects on the obstack.
2748         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2749         for rpo_numbers_temp, for consistency.
2750         (free_scc_vn): Free the obstack.
2751
2752 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2753
2754         * doc/invoke.texi: Document -ftree-loop-distribution.
2755         * tree-loop-distribution.c: New.
2756         * tree-pass.h (pass_loop_distribution): New.
2757         * graphds.h (struct graph): Add htab_t indices.
2758         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2759         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2760         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2761         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2762         * tree-data-ref.c (debug_data_dependence_relations): New.
2763         (dump_data_dependence_relation): Also print data references.
2764         (free_data_ref): Extern.
2765         (same_access_functions): Moved...
2766         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2767         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2768         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2769         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2770         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2771         (stmts_from_loop): Skip LABEL_EXPR.
2772         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2773         New.
2774         (build_rdg): Initialize rdg->indices htab.
2775         (free_rdg, stores_from_loop, ref_base_address,
2776         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2777         have_similar_memory_accesses_1, ref_base_address_1,
2778         remove_similar_memory_refs): New.
2779         * tree-data-ref.h: Depend on tree-chrec.h.
2780         (debug_data_dependence_relations, free_data_ref): Declared.
2781         (same_access_functions): ... here.
2782         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2783         New.
2784         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2785         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2786         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2787         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2788         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2789         rdg_vertex_for_stmt): Declared.
2790         (struct rdg_edge): Add level.
2791         (RDGE_LEVEL): New.
2792         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2793         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2794         Declared.
2795         (rdg_has_similar_memory_accesses): New.
2796         * tree-vect-analyze.c: Remove unused static decls.
2797         * lambda.h (dependence_level): New.
2798         * common.opt (ftree-loop-distribution): New.
2799         * tree-flow.h (mark_virtual_ops_in_bb, 
2800         slpeel_tree_duplicate_loop_to_edge_cfg,
2801         rename_variables_in_loop): Declared.
2802         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2803         (OBJS-common): Add tree-loop-distribution.o.
2804         (tree-loop-distribution.o): New rule.
2805         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2806         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2807         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2808
2809 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2810
2811         PR target/33963
2812         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2813         other than structures and unions.
2814
2815 2008-02-28  Richard Guenther  <rguenther@suse.de>
2816
2817         Revert:
2818         2008-02-26  Richard Guenther  <rguenther@suse.de>
2819
2820         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2821         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2822         (lookup_decl_from_uid): Declare.
2823         (remove_decl_from_map): Likewise.
2824         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2825         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2826         (decl_for_uid_map): New global hashtable mapping DECL_UID
2827         to the decl tree.
2828         (init_ttree): Allocate it.
2829         (insert_decl_to_uid_decl_map): New helper function.
2830         (make_node_stat): Insert new decls into the map.
2831         (copy_node_stat): Likewise.
2832         (lookup_decl_from_uid): New function.
2833         (remove_decl_from_map): Likewise.
2834         (print_decl_for_uid_map_statistics): New helper.
2835         (dump_tree_statistics): Call it.
2836
2837         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2838         (referenced_var_iterator): Adjust.
2839         (FOR_EACH_REFERENCED_VAR): Adjust.
2840         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2841         (num_referenced_vars): Adjust.
2842         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2843         (first_referenced_var): Remove.
2844         (end_referenced_vars_p): Likewise.
2845         (next_referenced_var): Likewise.
2846         (referenced_var_iterator_set): New helper function.
2847         * tree-dfa.c (referenced_var_lookup): Adjust.
2848         (referenced_var_check_and_insert): Likewise.
2849         (remove_referenced_var): Likewise.
2850         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2851         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2852         (verify_call_clobbering): Likewise.
2853         (verify_memory_partitions): Likewise.
2854         (init_tree_ssa): Allocate bitmap instead of hashtable for
2855         referenced_vars.
2856         (delete_tree_ssa): Adjust.
2857         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2858         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2859         (compute_tag_properties): Likewise.
2860         (set_initial_properties): Likewise.
2861         (find_partition_for): Likewise.
2862         (update_reference_counts): Likewise.
2863         (dump_may_aliases_for): Likewise.
2864         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2865         (add_call_clobber_ops): Likewise.
2866         (add_call_read_ops): Likewise.
2867         (get_asm_expr_operands): Likewise.
2868         * tree-into-ssa.c (dump_decl_set): Likewise.
2869         (update_ssa): Likewise.
2870         * tree-sra.c (scan_function): Likewise.
2871         (decide_instantiations): Likewise.
2872         (scalarize_parms): Likewise.
2873         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2874         (dsa_named_for): Likewise.
2875         * tree-ssa-structalias.c (update_alias_info): Likewise.
2876         (merge_smts_into): Likewise.
2877
2878 2008-02-27  David Daney  <ddaney@avtrex.com>
2879
2880         PR target/34409
2881         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2882         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2883         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2884         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2885         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2886
2887 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2888
2889         PR target/25477
2890         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2891         (BUILT_IN_NEXTTOWARD): Remove.
2892         (BUILT_IN_NEXTTOWARDF): Ditto.
2893         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2894         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2895
2896 2008-02-27  Tom Tromey  <tromey@redhat.com>
2897
2898         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2899         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2900
2901 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2902
2903         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2904         update the respective field on newdecl.
2905
2906 2008-02-27  Revital Eres  <eres@il.ibm.com>
2907
2908         PR rtl-optimization/34999
2909         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2910         crossing edges that ends with a call insn.
2911         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2912         call insn and clear the EDGE_CROSSING flag of the crossing edge
2913         when fixing fallthru edges.
2914
2915 2008-02-27  Richard Guenther  <rguenther@suse.de>
2916
2917         PR middle-end/35390
2918         * fold-const.c (fold_unary): Return the correct argument,
2919         converted to the result type.
2920
2921 2008-02-27  Richard Guenther  <rguenther@suse.de>
2922
2923         PR middle-end/34971
2924         * expr.c (expand_expr_real_1): Assert on rotates that operate
2925         on partial modes.
2926         * fold-const.c (fold_binary): Use the types precision, not the
2927         bitsize of the mode if folding rotate expressions.  Build rotates
2928         only for full modes.
2929
2930 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2931
2932         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2933         and CPP_PRAGMA_EOL.
2934         * c-pragma.c (pragma_ns_name): New typedef.
2935         (registered_pp_pragmas): New variable.
2936         (c_pp_lookup_pragma): New function.
2937         (c_register_pragma_1): If flag_preprocess_only, do nothing
2938         for non-expanded pragmas, for expanded ones push pragma's
2939         namespace and name into registered_pp_pragmas vector.
2940         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2941         flag_preprocess_only, don't register GCC pch_preprocess
2942         pragma if flag_preprocess_only.
2943         * c-opts.c (c_common_init): Call init_pragma even if
2944         flag_preprocess_only.
2945         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2946         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2947         cpp_register_pragma if flag_preprocess_only.
2948
2949 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2950
2951         PR c/28800
2952         * c-parser.c (c_parser_translation_unit): Warn for empty
2953         translation unit, not empty source file.
2954
2955 2008-02-26  Paul Brook  <paul@codesourcery.com>
2956
2957         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2958         operand for Thumb-2.
2959         * config/arm/arm.h (reg_class): Add CORE_REGS.
2960         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2961         (BASE_REG_CLASS): Use CORE_REGS.
2962         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2963         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2964         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2965         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2966         ARM_REGNO_OK_FOR_INDEX_P.
2967         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2968         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2969         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2970         (ldm/stm peepholes): Ditto.
2971         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2972         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2973         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2974         * config/arm/constraints.md: Enable "k" constraint on ARM.
2975
2976 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2977
2978         * config/rs6000/rs6000.c: Annotate cache line size field in all
2979         instances of struct processor_costs.
2980
2981 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2982
2983         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2984         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2985         jump_bypass): New counters.
2986         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2987         * dce.c (gate_ud_dce): Same.
2988         (gate_fast_dce): Same.
2989         * dse.c (gate_dse1): New function.
2990         (gate_dse2): New function.
2991         (gate_dse): Merge results of new gate functions.
2992         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2993         (gate_handle_jump_bypass): Add dbg_cnt.
2994         (gate_handle_gcse): Add dbg_cnt.
2995         * ifcvt.c (gate_handle_if_conversion): Same.
2996         (gate_handle_if_after_combine): Same.
2997         (gate_handle_if_after_reload): Same.
2998         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2999
3000 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3001
3002         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3003         line sizes.
3004         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3005
3006 2008-02-26  Jason Merrill  <jason@redhat.com>
3007
3008         PR c++/35315
3009         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3010         alone if it's the naming decl for the type's main variant.
3011
3012 2008-02-26  Tom Tromey  <tromey@redhat.com>
3013
3014         * system.h (USE_MAPPED_LOCATION): Poison.
3015         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3016         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3017         (make_goto_expr_edges): Likewise.
3018         (remove_bb): Likewise.
3019         (execute_warn_function_return): Likewise.
3020         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3021         location_t.
3022         * c-common.c (fname_decl): Remove old location code.
3023         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3024         location code.
3025         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3026         variant.
3027         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3028         (gen_rtx_ASM_INPUT): Likewise.
3029         (gen_rtx_ASM_INPUT_loc): Likewise.
3030         (get_rtx_asm_OPERANDS): Remove.
3031         * cfglayout.c (insn_locators_alloc): Remove old location code.
3032         (set_curr_insn_source_location): Likewise.
3033         (curr_insn_locator): Likewise.
3034         * print-tree.c (print_node): Remove old location code.
3035         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3036         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3037         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3038         location_from_locus.
3039         (construct_exit_block): Remove old location code.
3040         * emit-rtl.c (force_next_line_note): Remove old location code.
3041         * profile.c (branch_prob): Remove old location code.
3042         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3043         LOC_LINE): Remove old-location variants.
3044         * langhooks.c (lhd_print_error_function): Remove old location
3045         code.
3046         * configure, config.in: Rebuilt.
3047         * configure.ac (--enable-mapped-location): Remove.
3048         * c-decl.c (c_init_decl_processing): Remove old location code.
3049         (finish_function): Likewise.
3050         * recog.c (decode_asm_operands): Remove old location code.
3051         * c-pch.c (c_common_read_pch): Remove old location code.
3052         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3053         variants.
3054         * gimple-low.c (lower_function_body): Remove old location code.
3055         * toplev.c (unknown_location): Remove.
3056         (push_srcloc): Remove old-location variant.
3057         (process_options): Remove old location code.
3058         (lang_dependent_init): Likewise.
3059         * input.h (UNKNOWN_LOCATION): Move definition.
3060         (location_t): Undeprecate.
3061         (source_locus): Remove.
3062         (location_from_locus): Remove.
3063         (struct location_s): Remove.
3064         Remove all old-location code.
3065         (input_line, input_filename): Remove.
3066         * final.c (final_scan_insn): Remove old location code.
3067         * diagnostic.c (diagnostic_build_prefix): Remove
3068         USE_MAPPED_LOCATION test.
3069         * tree.h (gimple_stmt) <locus>: Now a location_t.
3070         (tree_exp) <locus>: Likewise.
3071         (DECL_IS_BUILTIN): Remove old-location variant.
3072         (annotate_with_file_line, annotate_with_locus): Likewise.
3073         (expr_locus, set_expr_locus): Update.
3074         * tree.c (build1_stat): Remove old location code.
3075         (last_annotated_node): Remove.
3076         (annotate_with_file_line): Remove old-location variant.
3077         (annotate_with_locus): Likewise.
3078         (expr_location): Remove old location code.
3079         (set_expr_location): Likewise.
3080         (expr_has_location): Likewise.
3081         (expr_locus): Likewise.
3082         (set_expr_locus): Likewise.
3083         (expr_filename): Don't use location_from_locus.
3084         (expr_lineno): Likewise.
3085         * rtl-error.c (location_for_asm): Remove old location code.
3086         * c-lex.c (cb_line_change): Remove old location code.
3087         (fe_file_change): Likewise.
3088         (cb_def_pragma): Likewise.
3089         (c_lex_with_flags): Likewise.
3090         * gengtype.c (do_typedef): Don't special-case location types.
3091         (define_location_structures): Remove.
3092         (main): Don't call define_location_structures.
3093         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3094         code.
3095
3096 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3097
3098         PR 26264
3099         * builtins.def (BUILT_IN_STDARG_START): Remove.
3100         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3101         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3102         * tree-inline.c (inline_forbidden_p_1): Likewise.
3103         
3104 2008-02-26  Richard Guenther  <rguenther@suse.de>
3105
3106         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3107         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3108         (lookup_decl_from_uid): Declare.
3109         (remove_decl_from_map): Likewise.
3110         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3111         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3112         (decl_for_uid_map): New global hashtable mapping DECL_UID
3113         to the decl tree.
3114         (init_ttree): Allocate it.
3115         (insert_decl_to_uid_decl_map): New helper function.
3116         (make_node_stat): Insert new decls into the map.
3117         (copy_node_stat): Likewise.
3118         (lookup_decl_from_uid): New function.
3119         (remove_decl_from_map): Likewise.
3120         (print_decl_for_uid_map_statistics): New helper.
3121         (dump_tree_statistics): Call it.
3122
3123         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3124         (referenced_var_iterator): Adjust.
3125         (FOR_EACH_REFERENCED_VAR): Adjust.
3126         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3127         (num_referenced_vars): Adjust.
3128         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3129         (first_referenced_var): Remove.
3130         (end_referenced_vars_p): Likewise.
3131         (next_referenced_var): Likewise.
3132         (referenced_var_iterator_set): New helper function.
3133         * tree-dfa.c (referenced_var_lookup): Adjust.
3134         (referenced_var_check_and_insert): Likewise.
3135         (remove_referenced_var): Likewise.
3136         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3137         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3138         (verify_call_clobbering): Likewise.
3139         (verify_memory_partitions): Likewise.
3140         (init_tree_ssa): Allocate bitmap instead of hashtable for
3141         referenced_vars.
3142         (delete_tree_ssa): Adjust.
3143         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3144         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3145         (compute_tag_properties): Likewise.
3146         (set_initial_properties): Likewise.
3147         (find_partition_for): Likewise.
3148         (update_reference_counts): Likewise.
3149         (dump_may_aliases_for): Likewise.
3150         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3151         (add_call_clobber_ops): Likewise.
3152         (add_call_read_ops): Likewise.
3153         (get_asm_expr_operands): Likewise.
3154         * tree-into-ssa.c (dump_decl_set): Likewise.
3155         (update_ssa): Likewise.
3156         * tree-sra.c (scan_function): Likewise.
3157         (decide_instantiations): Likewise.
3158         (scalarize_parms): Likewise.
3159         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3160         (dsa_named_for): Likewise.
3161         * tree-ssa-structalias.c (update_alias_info): Likewise.
3162         (merge_smts_into): Likewise.
3163
3164 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3165
3166         PR 34351
3167         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3168         * c-opts.c (c_common_handle_option): Wall enables
3169         Wvolatile-register-var.
3170         * common.opt: Move Wvolatile-register-var to...
3171         * c.opt: ...here.
3172         
3173 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3174
3175         * common.opt (Wlarger-than=): New.
3176         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3177         -Wlarger-than=.
3178         * opts.c (common_handle_option): Handle -Wlarger-than=.
3179         * optc-gen.awk: Likewise.
3180         * opth-gen.awk: Likewise.
3181         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3182         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3183         
3184 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3185
3186         * c-common.c (match_case_to_enum_1): Add appropriate
3187         OPT_W* parameter to warning.
3188         (c_do_switch_warnings): Likewise.
3189         * c-typeck.c (warning_init): Add one more parameter following
3190         'warning' function.
3191         (push_init_level): Update call to warning_init.
3192         (pop_init_level): Likewise.
3193         (add_pending_init): Likewise.
3194         (output_init_element: Likewise.
3195
3196 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3197
3198         PR 28322
3199         * toplev.c (toplev_main): If there are warnings or error, print
3200         errors for ignored options.
3201         * opts.c (ignored_options): New static variable.
3202         (postpone_unknown_option_error): New.
3203         (print_ignored_options): New.
3204         (handle_option): Postpone errors for unknown -Wno-* options.
3205         * opts.h (print_ignored_options): Declare.
3206         
3207 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3208
3209         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3210         to "ghost".
3211
3212 2008-02-25  Richard Guenther  <rguenther@suse.de>
3213
3214         Revert:
3215         2008-02-25  Richard Guenther  <rguenther@suse.de>
3216
3217         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3218         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3219         (lookup_decl_from_uid): Declare.
3220         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3221         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3222         (decl_for_uid_map): New global hashtable mapping DECL_UID
3223         to the decl tree.
3224         (init_ttree): Allocate it.
3225         (insert_decl_to_uid_decl_map): New helper function.
3226         (make_node_stat): Insert new decls into the map.
3227         (copy_node_stat): Likewise.
3228         (lookup_decl_from_uid): New function.
3229         (print_decl_for_uid_map_statistics): New helper.
3230         (dump_tree_statistics): Call it.
3231
3232         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3233         (referenced_var_iterator): Adjust.
3234         (FOR_EACH_REFERENCED_VAR): Adjust.
3235         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3236         (num_referenced_vars): Adjust.
3237         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3238         (first_referenced_var): Remove.
3239         (end_referenced_vars_p): Likewise.
3240         (next_referenced_var): Likewise.
3241         (referenced_var_iterator_set): New helper function.
3242         * tree-dfa.c (referenced_var_lookup): Adjust.
3243         (referenced_var_check_and_insert): Likewise.
3244         (remove_referenced_var): Likewise.
3245         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3246         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3247         (verify_call_clobbering): Likewise.
3248         (verify_memory_partitions): Likewise.
3249         (init_tree_ssa): Allocate bitmap instead of hashtable for
3250         referenced_vars.
3251         (delete_tree_ssa): Adjust.
3252         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3253         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3254         (compute_tag_properties): Likewise.
3255         (set_initial_properties): Likewise.
3256         (find_partition_for): Likewise.
3257         (update_reference_counts): Likewise.
3258         (dump_may_aliases_for): Likewise.
3259         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3260         (add_call_clobber_ops): Likewise.
3261         (add_call_read_ops): Likewise.
3262         (get_asm_expr_operands): Likewise.
3263         * tree-into-ssa.c (dump_decl_set): Likewise.
3264         (update_ssa): Likewise.
3265         * tree-sra.c (scan_function): Likewise.
3266         (decide_instantiations): Likewise.
3267         (scalarize_parms): Likewise.
3268         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3269         (dsa_named_for): Likewise.
3270         * tree-ssa-structalias.c (update_alias_info): Likewise.
3271         (merge_smts_into): Likewise.
3272
3273 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3274
3275         PR fortran/29549
3276         * doc/invoke.texi (-fcx-limited-range): Document new option.
3277         * toplev.c (process_options): Handle -fcx-fortran-rules.
3278         * common.opt: Add documentation for -fcx-fortran-rules.
3279
3280 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3281
3282         PR c/35162
3283         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3284         actual behaviour and C99.
3285         
3286 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3287
3288         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3289         (ASM_CPU_POWER6_SPEC): Likewise.
3290         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3291         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3292         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3293
3294 2008-02-25  Richard Guenther  <rguenther@suse.de>
3295
3296         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3297         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3298         (lookup_decl_from_uid): Declare.
3299         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3300         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3301         (decl_for_uid_map): New global hashtable mapping DECL_UID
3302         to the decl tree.
3303         (init_ttree): Allocate it.
3304         (insert_decl_to_uid_decl_map): New helper function.
3305         (make_node_stat): Insert new decls into the map.
3306         (copy_node_stat): Likewise.
3307         (lookup_decl_from_uid): New function.
3308         (print_decl_for_uid_map_statistics): New helper.
3309         (dump_tree_statistics): Call it.
3310
3311         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3312         (referenced_var_iterator): Adjust.
3313         (FOR_EACH_REFERENCED_VAR): Adjust.
3314         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3315         (num_referenced_vars): Adjust.
3316         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3317         (first_referenced_var): Remove.
3318         (end_referenced_vars_p): Likewise.
3319         (next_referenced_var): Likewise.
3320         (referenced_var_iterator_set): New helper function.
3321         * tree-dfa.c (referenced_var_lookup): Adjust.
3322         (referenced_var_check_and_insert): Likewise.
3323         (remove_referenced_var): Likewise.
3324         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3325         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3326         (verify_call_clobbering): Likewise.
3327         (verify_memory_partitions): Likewise.
3328         (init_tree_ssa): Allocate bitmap instead of hashtable for
3329         referenced_vars.
3330         (delete_tree_ssa): Adjust.
3331         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3332         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3333         (compute_tag_properties): Likewise.
3334         (set_initial_properties): Likewise.
3335         (find_partition_for): Likewise.
3336         (update_reference_counts): Likewise.
3337         (dump_may_aliases_for): Likewise.
3338         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3339         (add_call_clobber_ops): Likewise.
3340         (add_call_read_ops): Likewise.
3341         (get_asm_expr_operands): Likewise.
3342         * tree-into-ssa.c (dump_decl_set): Likewise.
3343         (update_ssa): Likewise.
3344         * tree-sra.c (scan_function): Likewise.
3345         (decide_instantiations): Likewise.
3346         (scalarize_parms): Likewise.
3347         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3348         (dsa_named_for): Likewise.
3349         * tree-ssa-structalias.c (update_alias_info): Likewise.
3350         (merge_smts_into): Likewise.
3351
3352 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3353
3354         PR target/35258
3355         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3356         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3357         * alias.h (nonoverlapping_memrefs_p): Likewise.
3358
3359 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3360
3361         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3362         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3363         __emultls_get_address, __emultls_register_common,
3364         __floatundi?f, and _Unwind_GetIPInfo.
3365         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3366         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3367         (gen_regparm_prefix): Likewise.
3368         (i386_nlm_encode_section_info): Sync with
3369         config/i386/winnt.c:i386_pe_encode_section_info().
3370         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3371         i386_nlm_mangle_decl_assembler_name): New.
3372         (netware_override_options): New.
3373         * config/i386/netware.h (netware_override_options): Declare.
3374         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3375         (i386_nlm_mangle_decl_assembler_name): Declare.
3376         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3377
3378 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3379
3380         PR other/32948
3381         * c-decl.c (grokdeclarator): Remove unused local variables
3382         `typedef_type' and `type_as_written'.
3383         * bb-reorder.c
3384         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3385         unused local variable `has_hot_blocks'.
3386         (fix_crossing_conditional_branches): Remove unused local variable
3387         `prev_bb'.
3388         
3389 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
3390
3391         PR middle-end/19984
3392         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
3393         using DEF_C99_BUILTIN.
3394         (BUILT_IN_NANF): Ditto.
3395         (BUILT_IN_NANL): Ditto.
3396
3397 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
3398             Revital Eres  <eres@il.ibm.com>
3399
3400         * modulo-sched.c (calculate_must_precede_follow): Address TODO
3401         regarding the order of two dependent insns in the same row.
3402
3403 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
3404
3405         * stor-layout.c (layout_decl): Do not bump the alignment of a
3406         bit-field to more than byte alignment if it is packed.