OSDN Git Service

PR target/35713
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
2
3         PR target/35713
4         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
5           constants of the appropriate size for runtime calculations.
6
7         PR c/35712
8         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
9           decimal-float literal constant zero.
10
11 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
12
13         PR c/35738
14         * c-parser.c (c_parser_omp_atomic): Call
15         default_function_array_conversion on the RHS.
16
17         PR middle-end/35818
18         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
19         call is_variable_sized if decl has incomplete type.
20
21 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
22
23         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
24
25 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
26
27         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
28         iterators.
29         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and
30         leu.
31         (sgt<u>): Merge sgt and sgtu into new expander.
32         (sgt, sgtu): Remove expanders.
33         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new
34         pattern.
35         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
36         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
37         *sgtu_<mode>_mips16 into new pattern.
38         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
39         (sge<u>): Merge sge and sgeu into new expander.
40         (sge, sgeu): Remove expanders.
41         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
42         new pattern.
43         (*sge_<mode>, second *sge_<mode>): Remove patterns.
44         (slt<u>): Merge slt and sltu into new expander.
45         (slt, sltu): Remove expanders.
46         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new
47         pattern.
48         (*slt_<mode>, *sltu_<mode>): Remove patterns.
49         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
50         *sltu_<mode>_mips16 into new pattern.
51         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
52         (sle<u>): Merge sle and sleu into new expander.
53         (sle, sleu): Remove expanders.
54         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new
55         pattern.
56         (*sle_<mode>, *sleu_<mode>): Remove patterns.
57         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
58         *sleu_<mode>_mips16 into new pattern.
59         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
60
61 2008-04-03  Jan Hubicka  <jh@suse.cz>
62
63         PR tree-optimization/35795
64         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
65         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
66         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
67         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
68         * score/score3.c (score3_output_mi_thunk): Likewise.
69         * score/score7.c (score7_output_mi_thunk): Likewise.
70         * mips/mips.c (mips_output_mi_thunk): Likewise.
71
72 2008-04-03  Richard Guenther  <rguenther@suse.de>
73
74         * tree-vrp.c (extract_range_from_unary_expr): Handle all
75         conversions.  Simplify code.
76
77 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
78
79         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
80
81 2008-04-03  Tom Tromey  <tromey@redhat.com>
82             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
83
84         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
85         * config/bfin/t-bfin-linux (generated_files): Add
86         linux-sysroot-suffix.h.
87         * doc/install.texi (Prerequisites): Require make 3.80.
88         * doc/sourcebuild.texi (Front End Directory): Document new
89         variable.
90         * Makefile.in (generated_files): New variable.
91         (ALL_HOST_OBJS): New variable.
92         ($(ALL_HOST_OBJS)): New target.
93
94 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
95
96         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
97         (remap_block): Call id->transform_lang_insert_block instead
98         of langhook.
99         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
100         Set id.transform_lang_insert_block to NULL.
101         (clone_body): Move to cp/optimize.c
102         * tree-inline.h (struct copy_body_data): Change
103         transform_lang_insert_block to function pointer.
104         (copy_generic_body, copy_decl_no_change): Export.
105         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
106         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
107         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
108
109         * c-tree.h (insert_block): Kill.
110         * c-decl.c (insert_block): Kill.
111
112 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
113
114         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
115         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
116         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
117         argument.
118         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
119         argument, call {push,pop}_function_context from here.
120         * c-parser.c: Use c_{push,pop}_function_context.
121
122         * function.c (push_function_context_to): Move meat ...
123         (push_function_context): ... here.  Simplify.
124         * function.c (pop_function_context_from): Move meat ...
125         (pop_function_context): ... here.  Simplify.
126         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
127         leave_nested).
128         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
129         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
130         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
131         * tree.h (push_function_context_to, pop_function_context_from): Remove.
132
133 2008-04-03  Ben Elliston  <bje@au.ibm.com>
134
135         * expmed.c (extract_force_align_mem_bit_field): Remove.
136
137 2008-04-03  Richard Guenther  <rguenther@suse.de>
138
139         PR middle-end/35800
140         * expr.h (try_casesi): Adjust prototype.
141         * expr.c (try_casesi): Take fallback label as extra parameter.
142         Use that for gen_casesi if default_label is NULL.
143         * stmt.c (expand_case): Pass fallback label to try_casesi,
144         make sure to fill gaps with a fallback label if default_label
145         is not present.
146
147 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
148
149         PR target/35801
150         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
151
152 2008-04-03  Ben Elliston  <bje@au.ibm.com>
153
154         * expmed.c (extract_split_bit_field): Remove if (0) code.
155         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
156         (do_ds_constraint): Likewise.
157
158 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
159
160         * doc/cppopts.texi (-dU): Document.
161         * c-common.h (flag_dump_macros): Update comment.
162         * c-opts.c (handle_OPT_d): Handle -dU.
163         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
164         dump_queued_macros, cb_used_define, cb_used_undef): New.
165         (init_pp_output): Handle -dU.
166         (cb_line_change): Call dump_queued_macros.
167         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
168
169 2008-04-02  Anatoly Sokolov <aesok@post.ru>
170
171         * config/avr/predicates.md (io_address_operand): New predicate. 
172         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
173         * config/avr/avr.c (avr_io_address_p): Remove function.
174         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
175         'avr_io_address_p' function.
176         (out_movhi_r_mr): (Ditto.).
177         (out_movqi_mr_r): (Ditto.).
178         (out_movhi_mr_r): (Ditto.).
179         (avr_address_cost): (Ditto.).
180
181 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
182
183         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
184         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
185         in 32bit mode when XMM registers are available to avoid store
186         forwarding stalls.
187         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
188         corresponding post-reload splitters.
189
190 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
191
192         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
193         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
194         __builtin_ia32_roundss.
195         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
196         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
197         __builtin_ia32_roundss.
198         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
199         IX86_BUILTIN_SHUFPD here.
200
201 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
202
203         * config/i386/i386.md (plogic): New.
204         (plogicprefix): Likewise.
205
206         * config/i386/mmx.md (mmx_<code><mode>3): New.
207         (mmx_and<mode>3): Removed.
208         (mmx_ior<mode>3): Likewise.
209         (mmx_xor<mode>3): Likewise.
210
211         * config/i386/sse.md (<code><mode>3): New.
212         (*<code><mode>3): Likewise.
213         (*<code><mode>3): Likewise.
214         (<code><mode>3): Likewise.
215         (*sse_<code><mode>3): Likewise.
216         (*sse2_<code><mode>3): Likewise.
217         (<code>tf3): Likewise.
218         (*<code>tf3): Likewise.
219         (and<mode>3): Likewise.
220         (*and<mode>3): Likewise.
221         (ior<mode>3): Removed.
222         (*ior<mode>3): Likewise.
223         (xor<mode>3): Likewise.
224         (*xor<mode>3): Likewise.
225         (*and<mode>3): Likewise.
226         (*ior<mode>3): Likewise.
227         (*xor<mode>3): Likewise.
228         (and<mode>3): Likewise.
229         (*sse_and<mode>3): Likewise.
230         (*sse2_and<mode>3): Likewise.
231         (andtf3): Likewise.
232         (*andtf3): Likewise.
233         (ior<mode>3): Likewise.
234         (*sse_ior<mode>3): Likewise.
235         (*sse2_ior<mode>3): Likewise.
236         (iortf3): Likewise.
237         (*iortf3): Likewise.
238         (xor<mode>3): Likewise.
239         (*sse_xor<mode>3): Likewise.
240         (*sse2_xor<mode>3): Likewise.
241         (xortf3): Likewise.
242         (*xortf3): Likewise.
243
244 2008-04-02  Richard Guenther  <rguenther@suse.de>
245
246         PR tree-optimization/14495
247         PR tree-optimization/34793
248         * tree-vrp.c (struct switch_update): New structure.
249         (to_remove_edges, to_update_switch_stmts): New VECs.
250         (simplify_switch_using_ranges): New function.  Remove not taken
251         case labels and edges.
252         (simplify_stmt_using_ranges): Call it.
253         (identify_jump_threads): Mark edges we have queued for removal
254         so we don't thread them.
255         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
256         case label vector.
257         * tree-cfg.c (group_case_labels): Deal with missing default label.
258         (tree_verify_flow_info): Allow missing default label.
259         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
260         (emit_case_nodes): Likewise.
261         (expand_case): Do not rely on the default label to be present.
262         * expr.c (try_casesi): Deal with NULL default_label.
263         (do_tablejump): Likewise.
264
265 2008-04-02  Richard Guenther  <rguenther@suse.de>
266
267         PR tree-optimization/14495
268         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
269         SWITCH_EXPR here ...
270         (vrp_visit_switch_stmt): ... but here (new function).
271         (find_case_label_index): New helper function.
272         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
273
274 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
275
276         * fwprop.c: Fix ISO-C99ism.
277
278 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
279
280         PR bootstrap/35752
281         * Makefile.in (objdir): Set it here.
282         * configure.ac: Not here.  Find dynamic linker characteristics.
283         * exec-tool.in: Use them.
284         * aclocal.m4: Regenerate.
285         * configure: Regenerate.
286
287 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
288
289         * expr.c (expand_var): Delete it.
290         * expr.h (expand_var): Delete prototype.
291         * function.c (expand_function_start): Use expand_decl instead.
292         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
293         langhook.
294
295 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
296
297         PR rtl-optimization/35542
298         * fwprop.c (forward_propagate_and_simplify): Replace
299         loc_reg_mentioned_in_p with reg_mentioned_p.
300
301 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
302
303         PR rtl-optimization/35281
304         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
305         (propagate_rtx_1): Handle PR_HANDLE_MEM.
306         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
307         (varying_mem_p): Move above propagate_rtx.
308         (all_uses_available_at): Do not check MEMs.
309
310 2008-04-02  Rafael Espindola  <espindola@google.com>
311
312         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
313         (register_edge_assert_for_2): Split the cond argument.
314         (register_edge_assert_for_1): Adjust for the change in
315         register_edge_assert_for_2.
316         (register_edge_assert_for): Split the cond argument.
317         (find_switch_asserts): Adjust for the change in
318         register_edge_assert_for.
319
320 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
321
322         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
323         * gcc/config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
324         offsets for 64-bit mingw.
325         * gcc/config/i386/i386.c (ix86_pass_by_reference): Correct calling
326         abi for x86_64-pc-mingw.
327
328 2008-04-02  Richard Guenther  <rguenther@suse.de>
329
330         * tree-vrp.c (extract_range_from_assert): Make sure to not
331         produce range min/max with TREE_OVERFOW set.
332         If merging a anti-range and a range keep the anti-range if
333         the range covers all values of the type.
334         (register_edge_assert_for_2): Only allow sign-changing
335         conversions in detecting canonical range checks.  Also
336         register an assert for the unsigned name if useful.
337
338         PR tree-optimization/35787
339         * tree-vrp.c (vrp_val_max): New function.
340         (vrp_val_min): Likewise.
341         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
342         (vrp_val_is_min): Likewise.
343         (supports_overflow_infinity): Use vrp_val_{min,max}.
344         (negative_overflow_infinity): Likewise.
345         (positive_overflow_infinity): Likewise.
346         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
347         (is_positive_overflow_infinity): Likewise.
348         (is_overflow_infinity): Likewise.
349         (avoid_overflow_infinity): Use vrp_val_{min,max} and
350         vrp_val_is_{min,max}.
351         (set_and_canonicalize_value_range): Canonicalize anti-ranges
352         to ranges if possible.  Avoid empty ranges.
353
354 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
355
356         PR middle-end/35705
357         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
358         the expression is a function address.
359
360 2008-04-01  George Helffrich  <george@gcc.gnu.org>
361
362         PR fortran/PR35154, fortran/PR23057
363         * fortran/trans-common.c (create_common):  Add decl to function
364         chain to preserve identifier scope in debug output.
365
366         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
367         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
368         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
369         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
370         in common.
371         (dbxout_syms): Check for COMMON-based symbol and wrap in
372         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
373         in bracket for efficiency.
374
375         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
376         using DW_TAG_common_block + member offset.
377         (add_pubname_string): New function.
378         (dw_expand_expr): New function to find block name and offset for
379         COMMON var.
380         (common_check): New function to check whether symbol in Fortran COMMON.
381         (gen_variable_die): If COMMON, use DW_TAG_common_block.
382
383         * testsuite/gcc.dg/debug/pr35154.c:  New test to check that non-Fortran
384         use of common is unchanged.
385
386         * testsuite/lib/gfortran-dg.exp:  New harness to compile Fortran progs
387         with all combinations of debug options available on target.
388         * testsuite/gfortran.dg/debug/debug.exp:  Ditto.
389         * testsuite/gfortran.dg/debug/trivial.f:  Ditto.
390         * testsuite/gfortran.dg/debug/pr35154-stabs.f:  New test case for
391         .stabs functionality.
392         * testsuite/gfortran.dg/debug/pr35154-dwarf2.f:  New test case for
393         DWARF functionality.
394
395 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
396
397         PR c/35436
398         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
399
400 2008-04-02  Ben Elliston  <bje@au.ibm.com>
401
402         * config/v850/v850.md (casesi): Remove if (0) code.
403         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
404         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
405
406 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
407
408         * config/i386/i386.md (rex64suffix): New mode attribute.
409         (floathi<mode>2): Disable expander for SSE math.
410         (*floathi<mode>2_1): New insn insn_and_split pattern.
411         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
412         corresponding post-reload splitters.
413         (*floathi<mode>2_i387): New macroized insn pattern.
414         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
415         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
416         insn_and_split pattern.
417         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
418         New macroized instruction patterns and corresponding post-reload
419         splitters.
420         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
421         and corresponding post-reload splitters.
422         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
423         New macroized instruction patterns.
424         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
425         macroized instruction patterns and corresponding post-reload splitters.
426         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
427         corresponding post-reload splitters.
428         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
429         New macroized instruction patterns.
430         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
431         corresponding post-reload splitters.
432         (*floatsi<mode>2_i387): New macroized instruction patterns.
433
434 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
435
436         * config/i386/i386.md (smaxmin): New.
437         (umaxmin): Likewise.
438         (maxminiprefix): Likewise.
439         (maxminfprefix): Likewise.
440         (<code><mode>3): Likewise.
441         (smin<mode>3): Removed.
442         (smax<mode>3): Likewise.
443
444         * config/i386/mmx.md (mmx_<code>v2sf3): New.
445         (mmx_<code>v4hi3): Likewise.
446         (mmx_<code>v8qi3): Likewise.
447         (mmx_smaxv2sf3): Removed.
448         (mmx_sminv2sf3): Likewise.
449         (mmx_umaxv8qi3): Likewise.
450         (mmx_smaxv4hi3): Likewise.
451         (mmx_uminv8qi3): Likewise.
452         (mmx_sminv4hi3): Likewise.
453
454         * config/i386/sse.md (<addsub><mode>3): New.
455         (*<addsub><mode>3): Likewise.
456         (<sse>_vm<addsub><mode>3): Likewise.
457         (<maxmin><mode>3): Likewise.
458         (*<maxmin><mode>3_finite): Likewise.
459         (*<maxmin><mode>3): Likewise.
460         (<sse>_vm<maxmin><mode>3): Likewise.
461         (sse3_h<addsub>v4sf3): Likewise.
462         (sse3_h<addsub>v2df3): Likewise.
463         (<maxmin>v16qi3): Likewise.
464         (*<maxmin>v16qi3): Likewise.
465         (<maxmin>v8hi3): Likewise.
466         (*<maxmin>v8hi3): Likewise.
467         (*sse4_1_<maxmin><mode>3): Likewise.
468         (*sse4_1_<maxmin><mode>3): Likewise.
469         (add<mode>3): Removed.
470         (*add<mode>3): Likewise.
471         (<sse>_vmadd<mode>3): Likewise.
472         (sub<mode>3): Likewise.
473         (*sub<mode>3): Likewise.
474         (<sse>_vmsub<mode>3): Likewise.
475         (smin<mode>3): Likewise.
476         (*smin<mode>3_finite): Likewise.
477         (*smin<mode>3): Likewise.
478         (<sse>_vmsmin<mode>3): Likewise.
479         (smax<mode>3): Likewise.
480         (*smax<mode>3_finite): Likewise.
481         (*smax<mode>3): Likewise.
482         (<sse>_vmsmax<mode>3): Likewise.
483         (sse3_haddv4sf3): Likewise.
484         (sse3_haddv2df3): Likewise.
485         (sse3_hsubv4sf3): Likewise.
486         (sse3_hsubv2df3): Likewise.
487         (umaxv16qi3): Likewise.
488         (*umaxv16qi3): Likewise.
489         (smaxv8hi3): Likewise.
490         (*smaxv8hi3): Likewise.
491         (*sse4_1_smax<mode>3): Likewise.
492         (*sse4_1_umax<mode>3): Likewise.
493         (uminv16qi3): Likewise.
494         (*uminv16qi3): Likewise.
495         (sminv8hi3): Likewise.
496         (*sminv8hi3): Likewise.
497         (*sse4_1_smin<mode>3): Likewise.
498         (*sse4_1_umin<mode>3): Likewise.
499
500 2008-04-01  Rafael Espindola  <espindola@google.com>
501
502         * tree-cfg.c (verify_expr): remove in_phi.
503         (verify_stmt): Don't call walk_tree with verify_expr. Use
504         is_gimple_min_invariant instead of is_gimple_val.
505
506 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
507
508         * doc/include/gpl_v3.texi: Update for manpage generation.
509         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
510         gpl.texi.
511         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
512         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
513         gpl_v3.texi instead of gpl.texi.
514         (gpl.pod): New.
515
516 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
517
518         PR pch/13675
519         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
520
521 2008-04-01  Rafael Espindola  <espindola@google.com>
522
523         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
524         (extract_code_and_val_from_cond): Use
525         extract_code_and_val_from_cond_with_ops.
526
527 2008-04-01  Jan Hubicka  <jh@suse.cz>
528
529         * function.c (free_after_compilation): Free epilogue_delay_list.
530         (prepare_function_start): Assert that previous compilation was freed.
531
532 2008-04-01  Jan Hubicka  <jh@suse.cz>
533             Jim Wilson  <wilson@tuliptree.org>
534             Andreas Tobler <andreast@gcc.gnu.org>
535
536         PR middle-end/35781
537         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
538         rtl.emit instead cfun->emit.
539         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
540         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
541
542 2008-04-01  Ben Elliston  <bje@au.ibm.com>
543
544         * doc/c-tree.texi (Function Basics): Fix grammatical error.
545
546 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
547
548         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
549         New options
550         (fprofile-use): Add var flag_profile_use
551         * coverage.c (coverage_begin_output): Do not open a gcno file for
552         output only if -ftest-coverage is set.
553         Do not add getpwd() to gcda file path.
554         (build_gcov_info): Check the new flag
555         flag_profile_datafile_relative_path.
556         (coverage_init): Use profile_data_prefix.
557         Read profile counter only if flag_profile_use is set.
558         * opts.c (common_handle_option): New option fprofile-use=,
559         fprofile-dir=, fprofile-generate=.
560         * toplev.c (profile_data_prefix): New variable definition.
561         * toplev.h (profile_data_prefix): New declaration.
562         * doc/invoke.tex (Option Summary, Optimization Options):
563         Add new options.
564
565 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
566
567         * varasm.c (output_constant_pool_1): In LABEL_REF check,
568         use tmp consistently.
569
570         PR target/35695
571         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
572         * config/ia64/ia64.c (rtx_needs_barrier): Handle
573         UNSPEC_FR_RECIP_APPROX_RES.
574         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
575
576 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
577
578         PR c/35750
579         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
580
581 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
582
583         PR middle-end/30186
584         * fold-const.c (fold_indirect_ref_1): Support accessing non first
585         element of the vector via a pointer.
586
587 2008-03-31  Ian Lance Taylor  <iant@google.com>
588
589         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
590
591 2008-03-31  Jan Hubicka  <jh@suse.cz>
592
593         * builtins.c (expand_builtin_setjmp_receiver): Update call of
594         get_arg_pointer_save_area.
595         * expr.c (init_expr): Just clear out rtl.expr.
596         * function.c (free_after_compilation): Clear out whole RTL structure.
597         (get_func_frame_size): Merge into ...
598         (get_frame_size): ... this one.
599         (assign_stack_local_1): Merge into ...
600         (assign_stack_local): ... this one.
601         (expand_function_end): Update call of get_arg_pointer_save_area.
602         (get_art_pointer_save_area): Remove cfun argument.
603         * function.h (emit_status): regno_pointer_align does not need length
604         attribute. Move x_regno_reg_rtx to ...
605         (regno_reg_rtx): ... new global array.
606         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
607         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
608         apply_args_value, forced_labels, stack_pointer_delta):
609         Update accestors.
610         (struct varasm_status): Move here from varasm.c
611         (struct rtl_data): New. Move here some fields from struct function.
612         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
613         frame_offset, stack_check_probe_note, arg_pointer_save_area,
614         used_temp_slots avail_temp_slots, temp_slot_level,
615         nonlocal_goto_handler_labels): Update accesstors.
616         (rtl): New global variable.
617         (struct function): Move some fileds to rtl_data.
618         (get_arg_pointer_save_area): Update prototype.
619         * emit-rtl.c (rtl): Declare.
620         (regno_reg_rtx): Declare.
621         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
622         Update.
623         (gen_reg_rtx): Update.
624         (init_virtual_regs): Do not tate emit_status argument.
625         (init_emit): Do not allocate emit.
626         * varasm.c (varasm_statuc): Move to function.h.
627         (n_deferred_constatns): Update accestor.
628         (init_varasm_status): Do not allocate varasm_status.
629         (force_const_mem, get_pool_size, output_constant_pool): Update.
630         * stmt.c (force_label_rtx): Do not use x_ prefixes.
631         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
632
633 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
634
635         PR rtl-optimization/35729
636         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
637         references.
638
639 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
640
641         PR target/32000
642         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
643         load/store if memory is unaligned.
644         (*movti_rex64): Likewise.
645
646         * config/i386/predicates.md (misaligned_operand): New.
647
648 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
649
650         PR tree-opt/35431
651         * tree-ssa-phiopt.c (conditional_replacement): Return early for
652         complex types.
653
654 2008-03-31  Jan Beulich  <jbeulich@novell.com>
655
656         * config/ia64/constraints.md: Add 'j' constraint.
657         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
658         (movdi_internal): Likewise.
659
660 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
661
662         PR c/35748
663         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
664
665 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
666
667         PR target/35757
668         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
669         proper error message for the third argument on blendpd and
670         blendps.
671
672         * config/i386/sse.md (blendbits): New.
673         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
674
675 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
676
677         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
678
679 2008-03-30  Richard Guenther  <rguenther@suse.de>
680
681         PR middle-end/31023
682         * fold-const.c (fold_sign_changed_comparison): Do leave
683         conversions to base-types alone.
684
685 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
686
687         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
688         the link register if one altivec register is be saved.
689
690 2008-03-30  Ben Elliston  <bje@au.ibm.com>
691
692         * final.c (final_scan_insn): Remove if (0) code.
693
694 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
695
696         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
697
698 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
699
700         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
701         of V4SFmode to ix86_binary_operator_ok.
702
703 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
704
705         * config/i386/i386.c (override_options): Initialize
706         ix86_veclib_handler to ix86_veclibabi_svml when
707         -mveclibabi=svml is used.
708         (ix86_veclibabi_svml): New function for SVML ABI style
709         vectorization support.
710         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
711
712 2008-03-28  Rafael Espindola  <espindola@google.com>
713
714         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
715         (tree_binary_nonnegative_warnv_p): Make it public.
716         (tree_single_nonnegative_warnv_p): Make it public.
717         (tree_invalid_nonnegative_warnv_p): Make it public.
718         (tree_unary_nonzero_warnv_p): Make it public.
719         (tree_binary_nonzero_warnv_p): Make it public
720         (tree_single_nonzero_warnv_p): Make it public.
721         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
722         (extract_range_from_binary_expr): Split the expr argument.
723         (extract_range_from_unary_expr): Split the expr argument.
724         (extract_range_from_comparison): Split the expr argument.
725         (extract_range_from_expr): Use the new aux functions.
726         (vrp_evaluate_conditional_warnv): Use
727         vrp_evaluate_conditional_warnv_with_ops.
728         * tree.h (tree_unary_nonzero_warnv_p): Declare.
729         (tree_binary_nonzero_warnv_p): Declare.
730         (tree_single_nonzero_warnv_p): Declare.
731         (tree_expr_nonzero_warnv_p): Declare.
732         (tree_unary_nonnegative_warnv_p): Declare.
733         (tree_binary_nonnegative_warnv_p): Declare.
734         (tree_single_nonnegative_warnv_p): Declare.
735         (tree_invalid_nonnegative_warnv_p): Declare.
736
737 2008-03-28  Richard Guenther  <rguenther@suse.de>
738
739         PR tree-optimization/30317
740         PR tree-optimization/30911
741         PR tree-optimization/34793
742         * tree-vrp.c (set_and_canonicalize_value_range): New function.
743         (struct assert_locus_d): New member EXPR.
744         (register_new_assert_for): Add EXPR parameter to support
745         ASSERT_EXPR <name, expr OP limit>.
746         (register_edge_assert_for_1): Adjust callers.
747         (find_assert_locations): Likewise.
748         (process_assert_insertions_for): Build condition from expression.
749         (extract_range_from_assert): Handle ASSERT_EXPRs
750         of the form ASSERT_EXPR <name, expr OP limit>.
751         (register_edge_assert_for_2): New helper registering
752         asserts for comparisons.  Recognize range tests of the form
753         (unsigned)i - CST1 OP CST2.
754         (register_edge_assert_for_1): Use it.
755         (register_edge_assert_for): Likewise.
756         (needs_overflow_infinity): Integer sub-types
757         do not need overflow infinities.
758         (vrp_val_is_max): The extreme values of integer sub-types
759         are those of the base type.
760         (vrp_val_is_min): Likewise.
761         * tree.def (ASSERT_EXPR): Document extra allowed conditional
762         expressions.
763
764 2008-03-28  Nick Clifton  <nickc@redhat.com>
765
766         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
767         Return GENERAL_REGS for stack adjustment reloads.
768
769 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
770
771         PR target/31334
772         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
773         const_vector when all the vectors are constant.
774
775 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
776
777         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
778         comparisons.
779         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
780         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
781         (scc_sf): New.
782         (s<code>_sf): Use new scc_sf attribute for opcode names.
783
784 2008-03-27  Tom Tromey  <tromey@redhat.com>
785
786         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
787         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
788         config/spu/t-spu-elf, config/i386/t-interix,
789         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
790         config/i386/x-darwin, config/i386/x-mingw32,
791         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
792         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
793         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
794         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
795         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
796         config/rs6000/x-darwin, config/rs6000/t-rs6000,
797         config/score/t-score-elf, config/arm/t-strongarm-pe,
798         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
799         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
800         Revert automatic dependency patch.
801
802 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
803
804         PR target/35657
805         * config/i386/i386.c (ix86_function_arg_boundary): Align
806         decimal floating point to its natural boundary.
807
808 2008-03-27  Richard Guenther  <rguenther@suse.de>
809
810         PR middle-end/35716
811         * fold-const.c (fold_comparison): Restrict distinct decl
812         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
813         solely rely on operand_equal_p.
814
815 2008-03-27  Richard Guenther  <rguenther@suse.de>
816
817         PR c/32511
818         * c-common.c (handle_weak_attribute): Reject combination of
819         weak and inline.
820
821 2008-03-27  Richard Guenther  <rguenther@suse.de>
822
823         PR tree-optimization/32810
824         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
825         conversions from DECL_INITIAL.
826         (fold_const_aggregate_ref): Likewise from constructor elements.
827
828 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
829
830         * tree-affine.h (aff_combination_expand): Declare.
831         (get_inner_reference_aff): Likewise.
832         * tree-affine.c (aff_combination_expand): Split out from
833         tree_to_aff_combination_expand.
834         (get_inner_reference_aff): New function.
835         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
836         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
837         (struct lim_aux_data): sm_done field removed.
838         (mem_ref_loc_p, mem_ref_locs_p): New types.
839         (struct mem_ref): Added id, stored, accesses_in_loop,
840         indep_loop, dep_loop, indep_ref, dep_ref fields.
841         Removed is_stored, locs and next fields.
842         (memory_accesses): New variable.
843         (movement_possibility): Do not allow moving statements
844         that store to memory.
845         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
846         New functions.
847         (determine_max_movement): For statements with memory references,
848         find the outermost loop in that the reference is independent.
849         (move_computations_stmt): Mark the virtual operands for renaming.
850         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
851         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
852         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
853         add_vop_ref_mapping, create_vop_ref_mapping_loop,
854         create_vop_ref_mapping, analyze_memory_references,
855         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
856         get_all_locs_in_loop, ref_always_accessed_p,
857         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
858         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
859         store_motion_loop, store_motion): New functions.
860         (struct vop_to_refs_elt): New type.
861         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
862         memref_hash, memref_eq, hoist_memory_references): Rewritten.
863         (schedule_sm): Replaced by...
864         (execute_sm): ... this.
865         (determine_lsm_ref, hoist_memory_references,
866         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
867         find_more_ref_vops, free_mem_ref, free_mem_refs,
868         determine_lsm_loop, determine_lsm): Removed.
869         (tree_ssa_lim_finalize): Free data structures used by store motion.
870         (tree_ssa_lim): Call analyze_memory_references.  Use
871         store_motion instead of determine_lsm.
872
873 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
874
875         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
876         rename tmake_file to m68hc11/t-m68hc11.
877         (mcore): Set inhibit_libc to true.
878         * config.host (alpha*-dec-*vms*): Set extra_programs.
879         (interix3*): Don't use host_xmake_file.
880         * configure.ac: Let config.gcc override inhibit_libc.
881         * configure: Regenerate.
882
883         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
884         * config/t-openbsd-thread: Remove commented out lines.
885         
886         * config/x-interix: Remove.
887
888         * config/m68hc11/t-m68hc11-gas: Rename to...
889         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
890
891         * config/mcore/t-mcore: Remove T_CFLAGS.
892         * config/mcore/t-mcore-pe: Likewise.
893
894 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
895
896         * configure.ac: Replace custom __GNU_SOURCE test with
897         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
898         * aclocal.m4: Regenerate.
899         * configure: Regenerate.
900         * config.in: Regenerate.
901
902 2008-03-27  Richard Guenther  <rguenther@suse.de>
903
904         * fold-const.c (target.h): Include.
905         (fold_comparison): Fold comparison of addresses of decls
906         that bind locally or of constants.  Consolidate address folding code.
907         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
908         results from fold_binary_to_constant.
909         (compare_values_warnv): Likewise.
910
911 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
912
913         PR middle-end/35429
914         * fold-const.c (fold_truthop): Check for integeral types when folding
915         a == 0 && b == 0 and a != 0 || b != 0 .
916
917 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
918
919         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
920
921 2008-03-26  Andreas Schwab  <schwab@suse.de>
922
923         * doc/invoke.texi: Fix use of @item vs. @itemx.
924
925 2008-03-26  Tom Tromey  <tromey@redhat.com>
926
927         * Makefile.in (build/gensupport.o, build/print-rtl.o,
928         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
929         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
930         build/gencodes.o, build/genconditions.o, build/genconfig.o,
931         build/genconstants.o, build/genemit.o, build/genextract.o,
932         build/genflags.o, build/genmddeps.o, build/genopinit.o,
933         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
934         options.h.
935
936 2008-03-26  Richard Guenther  <rguenther@suse.de>
937
938         Revert
939         2008-03-26  Richard Guenther  <rguenther@suse.de>
940
941         * fold-const.c (target.h): Include.
942         (fold_comparison): Fold comparison of addresses of two decls
943         that bind locally.  Consolidate address folding code.
944
945 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
946
947         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
948         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
949         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
950         dconstsqrt2, dconstthird, dconste and/or dconst10.
951         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
952         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
953         dconstsqrt2, dconste): Delete.
954         (init_emit_once): Likewise.  Simplify initializing dconstm1.
955         Constify variable.
956         * real.c (get_real_const): New.
957         * real.h (dconst3, dconst10, dconstm2, dconstthird,
958         dconstsqrt2, dconste): Delete.
959         (real_value_const, get_real_const): New.
960
961 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
962
963         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
964
965         * config/i386/i386.c (ix86_function_arg_boundary): Check
966         BIGGEST_ALIGNMENT instead of 128.
967         (setup_incoming_varargs_64): Likewise.
968
969 2008-03-26  Tom Tromey  <tromey@redhat.com>
970
971         * Makefile.in (DEPFILES): Add missing '/'.
972
973 2008-03-26  Richard Guenther  <rguenther@suse.de>
974
975         * fold-const.c (target.h): Include.
976         (fold_comparison): Fold comparison of addresses of two decls
977         that bind locally.  Consolidate address folding code.
978
979 2008-03-26  Nick Clifton  <nickc@redhat.com>
980
981         PR target/31232
982         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
983         not allow INT+INT as a legitimate addressing mode.
984
985 2008-03-26  Richard Guenther  <rguenther@suse.de>
986
987         * tree-flow.h (widen_bitfield): Remove declaration.
988         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
989         (widen_bitfield): Remove function.
990         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
991         code.
992
993 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
994
995         PR target/31558
996         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
997         error_mark_node's.
998
999 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1000
1001         PR rtl-optimization/35232
1002         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
1003         (forget_old_reloads_1, forget_marked_reloads): Don't clear
1004         reg_reloaded_call_part_clobbered here.
1005         (reload_regs_reach_end_p): New function.
1006         (reload_reg_rtx_for_input): New variable.
1007         (reload_reg_rtx_for_output): Likewise.
1008         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
1009         when reassigning a pseudo register.  Load reloadreg from 
1010         reload_reg_rtx_for_input, moving the mode and register
1011         calculation to...
1012         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
1013         instead of the original when deciding whether an input reload
1014         would be a no-op or whether an output reload can be deleted.
1015         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
1016         when setting up new_spill_reg_store.  Load it from
1017         reload_reg_rtx_for_output, moving the mode and register
1018         calculation to...
1019         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
1020         instead of the original when deciding whether an output reload
1021         would be a no-op.  Do the same when modifying insn notes.
1022         Use rtx_equal_p instead of == to compare the registers.
1023         (inherit_piecemeal_p): Take a mode and two register numbers
1024         as argument.
1025         (emit_reload_insns): Clear new_spill_reg_store for every hard
1026         register in the reload register.  Remove spill registers
1027         from reg_reloaded_valid before considering whether to record
1028         inheritance information for them.  Use reload_reg_rtx_for_output
1029         instead of reg_rtx when recording output reloads.  Use
1030         reload_reg_rtx_for_input instead of reg_rtx when recording
1031         input reloads.  Set or clear reg_reloaded_call_part_clobbered
1032         at the same time as setting reg_reloaded_valid.
1033         (delete_output_reload): Add a new_reload_reg parameter and use it
1034         instead of rld[j].reg_rtx.
1035         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
1036         calls accordingly.
1037
1038 2008-03-25  Tom Tromey  <tromey@redhat.com>
1039
1040         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
1041         (build/genattr.o): Likewise.
1042         (build/genattrtab.o): Likewise.
1043         (build/gencodes.o): Likewise.
1044         (build/genconfig.o): Likewise.
1045         (build/genconstants.o): Likewise.
1046         (build/genemit.o): Likewise.
1047         (build/genextract.o): Likewise.
1048         (build/genflags.o): Likewise.
1049
1050 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
1051         
1052         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
1053         instead of size_int for integer types.
1054         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
1055         to match type of MINUS_EXPR.
1056         
1057 2008-03-25  Tom Tromey  <tromey@redhat.com>
1058
1059         * configure: Rebuilt.
1060         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
1061         Makefile.
1062
1063 2008-03-25  Tom Tromey  <tromey@redhat.com>
1064
1065         * config/x-solaris (host-solaris.o): Update.
1066         * config/x-linux (host-linux.o): Update.
1067         * config/x-hpux (host-hpux.o): Update.
1068         * config/x-darwin (host-darwin.o): Update.
1069         * config/v850/t-v850e (v850-c.o): Update.
1070         * config/v850/t-v850 (v850-c.o): Update.
1071         * config/t-vxworks (vxworks.o): Update.
1072         * config/t-sol2 (sol2-c.o, sol2.o): Update.
1073         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
1074         * config/spu/t-spu-elf (spu-c.o): Update.
1075         (spu.o): Remove.
1076         * config/sh/t-symbian (sh-c.o): Update.
1077         (symbian.o): Update.
1078         * config/sh/t-sh (sh-c.o): Update.
1079         * config/score/t-score-elf (score7.o, score3.o): Update.
1080         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
1081         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
1082         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
1083         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
1084         (rs6000.o): Remove.
1085         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1086         * config/m32c/t-m32c (m32c-pragma.o): Update.
1087         * config/ia64/t-ia64 (ia64-c.o): Update.
1088         * config/i386/x-mingw32 (host-mingw32.o): Update.
1089         * config/i386/x-i386 (driver-i386.o): Update.
1090         * config/i386/x-darwin (host-i386-darwin.o): Update.
1091         * config/i386/x-cygwin (host-cygwin.o): Update.
1092         * config/i386/t-nwld (nwld.o): Update.
1093         * config/i386/t-netware (netware.o): Update.
1094         * config/i386/t-interix (winnt.o): Update.
1095         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
1096         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
1097         msformat-c.o): Update.
1098         * config/bfin/t-bfin-linux (generated_files): Add
1099         linux-sysroot-suffix.h.
1100         * config/arm/t-wince-pe (pe.o): Update.
1101         * config/arm/t-strongarm-pe (pe.o): Update.
1102         * config/arm/t-pe (pe.o): Update.
1103         * config/arm/t-arm (arm-c.o): Update.
1104         * doc/install.texi (Prerequisites): Require make 3.80.
1105         * Makefile.in: Remove .o targets.
1106         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
1107         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
1108         (simple_generated_h, simple_generated_c): Move earlier.
1109         (generated_files): New variable.
1110         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
1111         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
1112         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
1113         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
1114         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
1115         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
1116         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
1117         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
1118         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
1119         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
1120         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
1121         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
1122         (.c.o): Remove.
1123         (COMPILE.base, COMPILE): New variables.
1124         (%.o): New pattern rule.
1125         (ALL_HOST_OBJS): New variable.
1126         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
1127         (dummy-checksum.o, cc1-checksum.o): Remove.
1128         (DRIVER_SHLIB): New variable.
1129         (DRIVER_DEFINES): Use it.
1130         (gencondmd.c): Move out of build/.
1131         (s-conditions): Update.
1132         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
1133         (ALL_BUILD_OBJS): Likewise.
1134         (build/%.o): Use BUILDCOMPILE.
1135         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
1136         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
1137         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
1138         build/gencheck.o, build/gencodes.o, build/genconditions.o,
1139         build/genconfig.o, build/genconstants.o, build/genemit.o,
1140         build/genextract.o, build/genflags.o, build/genmddeps.o,
1141         build/genopinit.o, build/genoutput.o, build/genpeep.o,
1142         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
1143         build/gen-protos.o, build/scan.o, build/fix-header.o,
1144         build/scan-decls.o): Simplify.
1145         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
1146         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
1147         prefix.o, toplev.o): Reduce to variable setting.
1148         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
1149         ($(out_object_file), gcc-options.o): New targets.
1150         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
1151         * configure: Rebuilt.
1152         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
1153         * doc/sourcebuild.texi (Front End Directory): Document new variable.
1154
1155 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
1156
1157         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
1158         complain when we hit an error, return ERROR_MARK_NODE.
1159
1160 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1161
1162         * config/sh/constraints.md (Pso, Psz): New constraints.
1163         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
1164         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
1165
1166 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1167
1168         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
1169         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
1170
1171 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
1172
1173         * config/sh/sh.md (prefetch): Add condition for SH2A target.
1174         (prefetch_sh2a): New.   
1175
1176 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1177             Naveen.H.S  <naveen.hs@kpitcummins.com>
1178
1179         * config/sh/constraints.md (I28): New constraint.
1180         * config/sh/sh.c (broken_move): Add support for movi20s.
1181         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
1182
1183 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
1184             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
1185             Naveen.H.S  <naveen.hs@kpitcummins.com>
1186
1187         * config/sh/sh.c (SH_ATTRIBUTES): Define.
1188         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
1189         (print_operand): Handle resbank in %@ operand code.
1190         (sh_encode_section_info): New.
1191         (push_regs): Add conditions for resbank.
1192         (sh_expand_epilogue): Likewise.
1193         (sh_insert_attributes): Likewise.
1194         (sh_attribute_table): Likewise.
1195         (sh_handle_resbank_handler_attribute): New.
1196         (sh2a_handle_function_vector_handler_attribute): New.
1197         (sh2a_is_function_vector_call): New.
1198         (sh2a_get_function_vector_number): New.
1199         (sh2a_function_vector_p): New.
1200         (sh_cfun_resbank_handler_p): New.
1201         * config/sh/sh.md (calli): Emit jsr/n if possible.
1202         (calli_tbr_rel): New.
1203         (calli_pcrel): Emit jsr/n if possible.
1204         (return_i): Emit rts/n if possible.
1205         (call_valuei_tbr_rel): New.
1206         (call_valuei_pcrel): Add condition for SH2A target.
1207         (call_value): Likewise.
1208         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
1209         (sh2a_get_function_vector_number): Likewise.
1210         (sh2a_is_function_vector_call): Likewise.
1211         * doc/extend.texi: Document TBR relative addressing of SH2A.
1212         (resbank): Add description for SH2A.
1213
1214 2008-03-24  Richard Guenther  <rguenther@suse.de>
1215
1216         PR c/22371
1217         * gimplify.c (gimplify_modify_expr): For frontend type-correct
1218         pointer assignments change conversions according to middle-end rules.
1219         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
1220         * configure.ac: Include type checking in yes.
1221         * configure: Regenerate.
1222
1223 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1224
1225         * diagnostic.c (diagnostic_count_diagnostic): Delete.
1226         (diagnostic_report_diagnostic): Update. Handle ICEs here.
1227         
1228 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
1229
1230         * gthr-vxworks.h (UNUSED): Define.
1231
1232 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
1233
1234         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
1235
1236 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
1237
1238         * doc/extend.texi (Function Attributes): Add missing comma in the
1239         example of the "alloc_size" attribute.
1240         
1241 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
1242
1243         Revert:
1244         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1245
1246         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1247         32bit host.
1248
1249         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         PR target/35496
1252         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1253         of the underlying type of a MS bitfield layout to the natural
1254         alignment of the type.
1255
1256         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1257
1258         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1259         to their natural alignment to avoid store forwarding stalls.
1260
1261 2008-03-22  Richard Guenther  <rguenther@suse.de>
1262
1263         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
1264         For PHI nodes verify the address is invariant.
1265         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
1266         (get_symbol_constant_value): Use is_gimple_min_invariant.
1267         (maybe_fold_stmt_indirect): Likewise.
1268
1269 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1270
1271         PR rtl-optimization/33927
1272         * Makefile.in (dse.o): Depend on $(TM_P_H).
1273         * expr.h (extract_low_bits): Declare.
1274         * expmed.c (extract_low_bits): New function.
1275         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
1276         * dse.c: Include tm_p.h.
1277         (find_shift_sequence): Remove the read_reg argument and return the
1278         read value.  Emit the instructions instead of returning them.
1279         Iterate on new_mode rather than calculating it each time.
1280         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
1281         source to NEW_MODE and extract_low_bits to convert the shifted
1282         value to READ_MODE.
1283         (replace_read): Allow the load and store to have different mode
1284         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
1285         or extraction instructions before trying the replacement.  Update
1286         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
1287
1288 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
1289
1290         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
1291         to their natural alignment to avoid store forwarding stalls.
1292
1293 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1294
1295         PR target/27946
1296         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
1297         encouraging but not allowing gprs for input;
1298         change the input constraint to !f#r.
1299         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
1300         gprs for output;
1301         change the output constraint to !f#r.
1302
1303 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
1304
1305         PR target/13958
1306         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
1307         corresponding post-reload splitters.
1308         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
1309         when x87 FP math is selected.
1310         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
1311         New function prototype.
1312         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
1313         unreachable function to ease macroization of insn patterns.
1314
1315 2008-03-21  Martin Jambor  <mjambor@suse.cz>
1316
1317         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
1318         reference dumps if ddr is NULL or dependence is unknown.
1319
1320 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1321
1322         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
1323         unsigned extension into account.
1324         (ATOMIC_COMPARE_AND_SWAP): Likewise.
1325         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
1326         Do computations on a scratch register.
1327
1328 2008-03-21  Richard Guenther  <rguenther@suse.de>
1329
1330         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1331         Use is_gimple_min_invariant instead of TREE_INVARIANT.
1332         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
1333         * tree-ssa-dom.c (record_equality): Likewise.
1334         * tree-inline.c (copy_body_r): Likewise.
1335         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
1336         TREE_INVARIANT.
1337
1338 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1339
1340         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
1341         as 'delete_unused' argument.
1342
1343 2008-03-20  Richard Guenther  <rguenther@suse.de>
1344
1345         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
1346         special casing of constant qualifiers.
1347         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
1348         care about them in general.
1349         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
1350         regardless of their type.
1351         (fold_stmt_r): Forcefully fold *& if we end up with that.
1352
1353 2008-03-20  Paul Brook  <paul@codesourcery.com>
1354
1355         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
1356         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
1357         linker flags.
1358         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
1359         definition.
1360         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
1361         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
1362
1363 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
1364
1365         * common.opt (Wmudflap): New option.
1366         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
1367         (mx_register_decls): Likewise.
1368         (mudflap_finish_file): Likewise.
1369         * doc/invoke.texi: Document -Wno-mudflap.
1370
1371 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
1372
1373         * c-format.c (replace_format_name_to_system_name): New.
1374         (cmp_attribs): New.
1375         (convert_format_name_to_system_name): New.
1376         (decode_format_attr): Add use of convert_format_name_to_system_name.
1377         (format_types_orig): Add gnu_ prefix to names.
1378         (check_format_info_main): Special treating of \0 escaped names for
1379         supporting multi-character format specifiers as I32, I64.
1380         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
1381         (gnu_target_overrides_format_attributes): New.
1382         * c-format.h: Add structure target_ovr_attr to hold
1383         system specific formatter names.
1384         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
1385         msformat-c.o file to c_target_objs and cxx_target_objs.
1386         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1387         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
1388         (TARGET_N_FORMAT_TYPES): New.
1389         * config/i386/msformat-c.c: New.
1390         * config/i386/t-cygming: Add build rule for msformat-c.o.
1391         * doc/extend.texi: Add new format names gnu_* and ms_* and
1392         further details.
1393         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
1394
1395 2008-03-20  Ira Rosen  <irar@il.ibm.com>
1396
1397         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
1398         optimizations turned on under -O3.
1399         (ftree-vectorize): Add that the flag is turned on with -O3.
1400
1401 2008-03-20  Ben Elliston  <bje@au.ibm.com>
1402
1403         * regmove.c (try_auto_increment): Fix spelling error in comment.
1404         * final.c (final_scan_insn): Likewise.
1405
1406 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
1407
1408         PR target/14552
1409         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
1410         allocator preferences for "y" and "r" class registers.
1411         ("*mov<mode>_internal"): Ditto.
1412         ("*movv2sf_internal_rex64"): Ditto.
1413         ("*movv2sf_internal"): Ditto.
1414
1415 2008-03-19  Michael Matz  <matz@suse.de>
1416
1417         PR middle-end/35616
1418         * calls.c (expand_call): Check overlap of arguments with call
1419         address for sibcalls.
1420
1421 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
1422
1423         PR target/35496
1424         * stor-layout.c (update_alignment_for_field): Set minimum alignment
1425         of the underlying type of a MS bitfield layout to the natural
1426         alignment of the type.
1427
1428 2008-03-19  Jan Hubicka  <jh@suse.cz>
1429
1430         PR other/35094
1431         * toplev.c (decode_d_option): Handle all CPP flags.
1432         * tree-vrp.c: Update tree_pass descriptors.
1433         * regrename.c: Update tree_pass descriptors.
1434         * fwprop.c: Update tree_pass descriptors.
1435         * doc/invoke.texi: Remove documentation of dropped -d? flags.
1436         * tree-into-ssa.c: Update tree_pass descriptors.
1437         * tree-dump.c: Update tree_pass descriptors.
1438         * tree-complex.c: Update tree_pass descriptors.
1439         * tree-dump.h: Update tree_pass descriptors.
1440         * see.c: Update tree_pass descriptors.
1441         * cgraphbuild.c: Update tree_pass descriptors.
1442         * tracer.c: Update tree_pass descriptors.
1443         * tree-loop-distribution.c: Update tree_pass descriptors.
1444         * cgraph.c: Update tree_pass descriptors.
1445         * postreload-gcse.c: Update tree_pass descriptors.
1446         * postreload.c: Update tree_pass descriptors.
1447         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
1448         * tree-tailcall.c: Update tree_pass descriptors.
1449         * tree-pass.h (tree_opt_pass): Rename to ...
1450         (opt_pass) ... this one; add "type" field and remove letter field.
1451         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
1452         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
1453         all_lowering_passes): Update declaration.
1454         * ipa-cp.c: Update tree_pass descriptors.
1455         * final.c: Update tree_pass descriptors.
1456         * omp-low.c: Update tree_pass descriptors.
1457         * tree-ssa-dse.c: Update tree_pass descriptors.
1458         * ipa-reference.c: Update tree_pass descriptors.
1459         * tree-ssa-uncprop.c: Update tree_pass descriptors.
1460         * auto-inc-dec.c: Update tree_pass descriptors.
1461         * reorg.c: Update tree_pass descriptors.
1462         * cgraphunit.c: Update tree_pass descriptors.
1463         * tree-ssa-copyrename.c: Update tree_pass descriptors.
1464         * tree-ssa-ccp.c: Update tree_pass descriptors.
1465         * df-core.c: Update tree_pass descriptors.
1466         * mode-switching.c: Update tree_pass descriptors.
1467         * tree-nomudflap.c: Update tree_pass descriptors.
1468         * modulo-sched.c: Update tree_pass descriptors.
1469         * ipa-pure-const.c: Update tree_pass descriptors.
1470         * cse.c: Update tree_pass descriptors.
1471         * web.c: Update tree_pass descriptors.
1472         * tree-stdarg.c: Update tree_pass descriptors.
1473         * tree-ssa-math-opts.c: Update tree_pass descriptors.
1474         * tree-ssa-dom.c: Update tree_pass descriptors.
1475         * tree-nrv.c: Update tree_pass descriptors.
1476         * tree-ssa-alias.c: Update tree_pass descriptors.
1477         * loop-init.c: Update tree_pass descriptors.
1478         * gimple-low.c: Update tree_pass descriptors.
1479         * ipa-inline.c: Update tree_pass descriptors.
1480         * tree-ssa-sink.c: Update tree_pass descriptors.
1481         * global.c: Update tree_pass descriptors.
1482         * ifcvt.c: Update tree_pass descriptors.
1483         * jump.c: Update tree_pass descriptors.
1484         * predict.c: Update tree_pass descriptors.
1485         * tree-ssa-loop.c: Update tree_pass descriptors.
1486         * recog.c: Update tree_pass descriptors.
1487         * dse.c: Update tree_pass descriptors.
1488         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
1489         * tree-eh.c: Update tree_pass descriptors.
1490         * regmove.c: Update tree_pass descriptors.
1491         * local-alloc.c
1492         * function.c: Update tree_pass descriptors.
1493         * tree-vectorizer.c: Update tree_pass descriptors.
1494         * gcse.c: Update tree_pass descriptors.
1495         * ipa-type-escape.c: Update tree_pass descriptors.
1496         * tree-if-conv.c: Update tree_pass descriptors.
1497         * init-regs.c: Update tree_pass descriptors.
1498         * ipa.c: Update tree_pass descriptors.
1499         * tree-ssa-phiopt.c: Update tree_pass descriptors.
1500         * rtl-factoring.c: Update tree_pass descriptors.
1501         * lower-subreg.c: Update tree_pass descriptors.
1502         * bt-load.c: Update tree_pass descriptors.
1503         * tree-dfa.c: Update tree_pass descriptors.
1504         * except.c: Update tree_pass descriptors.
1505         * emit-rtl.c: Update tree_pass descriptors.
1506         * cfgexpand.c: Update tree_pass descriptors.
1507         * tree-cfgcleanup.c: Update tree_pass descriptors.
1508         * cfgcleanup.c: Update tree_pass descriptors.
1509         * tree-ssa-pre.c: Update tree_pass descriptors.
1510         * tree-sra.c: Update tree_pass descriptors.
1511         * tree-mudflap.c: Update tree_pass descriptors.
1512         * tree-ssa-copy.c: Update tree_pass descriptors.
1513         * cfglayout.c: Update tree_pass descriptors.
1514         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1515         * tree-ssa-dce.c: Update tree_pass descriptors.
1516         * tree-ssa.c: Update tree_pass descriptors.
1517         * regclass.c: Update tree_pass descriptors.
1518         * integrate.c: Update tree_pass descriptors.
1519         * tree-optimize.c: Update tree_pass descriptors.
1520         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1521         * tree-object-size.c: Update tree_pass descriptors.
1522         * combine.c: Update tree_pass descriptors.
1523         * tree-outof-ssa.c: Update tree_pass descriptors.
1524         * bb-reorder.c: Update tree_pass descriptors.
1525         * stack-ptr-mod.c: Update tree_pass descriptors.
1526         * var-tracking.c: Update tree_pass descriptors.
1527         * tree-profile.c: Update tree_pass descriptors.
1528         * tree-vect-generic.c: Update tree_pass descriptors.
1529         * reg-stack.c: Update tree_pass descriptors.
1530         * sched-rgn.c: Update tree_pass descriptors.
1531         * tree-ssa-structalias.c: Update tree_pass descriptors.
1532         * tree-cfg.c: Update tree_pass descriptors.
1533         * passes.c (current_pass): Update declaration.
1534         (finish_optimization_passes): Update.
1535         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1536         (register_one_dump_file, register_dump_files_1, next_pass_1):
1537         Update arguments.
1538         (init_optimization_passes): Update handling of new types.
1539         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1540         * ipa-struct-reorg.c: Update tree_pass descriptors.
1541         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1542         * combine-stack-adj.c: Update tree_pass descriptors.
1543         * cfgrtl.c: Update tree_pass descriptors.
1544         * dce.c: Update tree_pass descriptors.
1545         * tree-ssanames.c: Update tree_pass descriptors.
1546
1547 2008-03-19  Richard Guenther  <rguenther@suse.de>
1548
1549         PR middle-end/35609
1550         * tree-ssa.c (walk_data): New structure.
1551         (warn_uninitialized_var): If not always_executed warn with "maybe"
1552         instead of "is".
1553         (execute_early_warn_uninitialized): Compute post-dominators.
1554         Initialize always_executed before processing each basic block.
1555
1556 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1557
1558         PR target/35504
1559         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1560         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1561
1562 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1563
1564         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1565
1566 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1567
1568         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1569         is true.
1570         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1571         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1572         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1573         target after ignore has been set, and move there also the commputation
1574         of subtarget and original_target.
1575         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1576         (LANG_HOOKS_INITIALIZER): Remove it.
1577         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1578
1579 2008-03-18  Richard Guenther  <rguenther@suse.de>
1580
1581         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1582         found an expression with constants, note that in the VN for the lhs.
1583         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1584         fold them to constants if possible.  Run cleanup_cfg if done so.
1585         (execute_pre): Return todo.
1586         (do_pre): Likewise.
1587         (execute_fre): Likewise.
1588         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1589         of constants.
1590         (get_prop_source_stmt): Look through pointer conversions.
1591
1592 2008-03-18  Jan Hubicka  <jh@suse.cz>
1593
1594         * tree-pretty-print.c: Include predict.h.
1595         (dump_generic_node): Dump predictor.
1596         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1597         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1598         * gimple-low.c (lower_stmt): Likewise.
1599         * expr.c (expand_expr_real): Likewise.
1600         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1601         them.
1602         (build_predict_expr, build_predict_expr): New.
1603         * predict.h (predictor_name, build_predict_expr): Update.
1604         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1605         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1606         * predict.def (PRED_CONTINUE): Update hitrate.
1607         * tree.def (PREDICT_EXPR): Define.
1608         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1609         do not handle BIND_EXPR.
1610         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1611         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1612         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1613         operands.
1614
1615 2008-03-18  Michael Matz  <matz@suse.de>
1616
1617         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1618
1619 2008-03-18  Richard Guenther  <rguenther@suse.de>
1620
1621         * tree-gimple.h (is_gimple_invariant_address): Declare.
1622         (is_gimple_constant): Likewise.
1623         * tree-gimple.c (is_gimple_constant): New function.
1624         (is_gimple_invariant_address): Likewise.
1625         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1626         and is_gimple_invariant_address.
1627         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1628         previous change.
1629         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1630         an addressable base.
1631
1632 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1633
1634         PR middle-end/35611
1635         * gimplify.c (gimplify_expr): Gimplify second operand of
1636         OMP_ATOMIC_LOAD.
1637
1638 2008-03-17  Richard Guenther  <rguenther@suse.de>
1639
1640         PR tree-optimization/19637
1641         * fold-const.c (fold_unary): Remove restrictions of removing
1642         intermediate pointer-conversions (P2)(P1)P0.
1643         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1644         conversion to void pointer.
1645         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1646
1647 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1648
1649         PR debug/31510
1650         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1651         emulated thread local variables.
1652
1653 2008-03-16  Richard Guenther  <rguenther@suse.de>
1654
1655         PR middle-end/35607
1656         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1657         expand TREE_INVARIANT operations that are not gimple invariant.
1658
1659 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1660
1661         * doc/extend.texi (Alignment): Say that the ABI controls
1662         the __alignof__ for non-strict-alignment targets rather
1663         than being a recommendation.
1664
1665 2008-03-15  Paul Brook  <paul@codesourcery.com>
1666
1667         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1668         annotations.
1669         (arm_output_fn_unwind): Mark functions that can not be unwound.
1670
1671 2008-03-15  Paul Brook  <paul@codesourcery.com>
1672
1673         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1674         extension instructions.
1675
1676 2008-03-15  Richard Guenther  <rguenther@suse.de>
1677
1678         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1679         and fold constant aggregate refs.
1680         (fold_const_aggregate_ref): Handle string constants
1681         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1682         (evaluate_stmt): Simplify now that ccp_fold folds constant
1683         aggregate refs.
1684
1685 2008-03-15  Paul Brook  <paul@codesourcery.com>
1686
1687         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1688         (extzv): Use gen_extzv_t2.
1689         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1690
1691 2008-03-15  Richard Guenther  <rguenther@suse.de>
1692
1693         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1694         (fold_const_aggregate_ref): Likewise.
1695         (get_value): Return NULL if we don't have any values.
1696         (ccp_finalize): Set const_val to NULL after freeing it.
1697         * tree-flow.h (get_symbol_constant_value): Declare.
1698         (fold_const_aggregate_ref): Likewise.
1699         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1700
1701 2008-03-15  Richard Guenther  <rguenther@suse.de>
1702
1703         PR middle-end/35593
1704         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1705         to not produce negative array indices if not allowed.  Add
1706         parameter to indicate that.
1707         (maybe_fold_offset_to_component_ref): Allow negative array
1708         indices only for the first member of a structure.
1709         (maybe_fold_offset_to_reference): Allow negative array indices.
1710         (maybe_fold_stmt_addition): Likewise.
1711
1712 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1713             Anatoly Sokolov <aesok@post.ru>
1714
1715         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1716         (avr_arch): Add ARCH_AVR6.
1717         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1718         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1719         instead of fixed value 2.
1720         (print_operand_address): Use gs() asm specifier instead of pm().
1721         (avr_assemble_integer): (Ditto.).
1722         (avr_output_addr_vec_elt): (Ditto.).
1723         (print_operand): Handle "!" code.
1724         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1725         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1726         (AVR_HAVE_EIJMP_EICALL): Define.
1727         (AVR_3_BYTE_PC): Redefine.
1728         (AVR_2_BYTE_PC): (Ditto.).
1729         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1730         (LINK_SPEC): Add atmega2560 and atmega2561.
1731         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1732         (crtm2561.o).
1733         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1734         for 3 byte PC devices.
1735         (call_value_insn): (Ditto.).
1736         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1737         (indirect_jump): Use only for for 2 byte PC devices.
1738         (*tablejump): (Ditto.).
1739         (*indirect_jump_avr6): Add insn.
1740         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1741         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1742         instead of ijmp for 3 byte PC devices.
1743         (__tablejump2__): (Ditto.).
1744         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1745         (MULITLIB_DIRNAMES): (Ditto.). 
1746         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1747
1748 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1749
1750         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1751         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1752         ("mmx_psadbw"): Use V1DI mode for operand 0.
1753         * config/i386/i386-modes.def (V1SI): New vector mode.
1754         * config/i386/i386.c (struct builtin_description)
1755         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1756         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1757         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1758         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1759         v1di_ftype_v8qi_v8qi type.
1760         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1761
1762         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1763         __builtin_ia32_pmuludq]: Fix the mode of return value.
1764
1765 2008-03-15  Richard Guenther  <rguenther@suse.de>
1766
1767         PR middle-end/35595
1768         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1769         being a PHI_NODE.
1770
1771 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1772         
1773         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1774         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1775         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1776         unless TARGET_SERIALIZE_VOLATILE is enabled.
1777         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1778         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1779         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1780
1781 2008-03-14  Richard Guenther  <rguenther@suse.de>
1782
1783         PR tree-optimization/34172
1784         * tree-flow.h (refs_may_alias_p): Declare.
1785         (get_single_def_stmt): Likewise.
1786         (get_single_def_stmt_from_phi): Likewise.
1787         (get_single_def_stmt_with_phi): Likewise.
1788         * tree-dfa.c (refs_may_alias_p): New function.
1789         (get_single_def_stmt): Likewise.
1790         (get_single_def_stmt_from_phi): Likewise.
1791         (get_single_def_stmt_with_phi): Likewise.
1792         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1793         (vn_reference_lookup_1): New helper function.
1794         (vn_reference_lookup): Walk the virtual use-def chain to
1795         continue searching for a match if the def does not alias the
1796         reference we are looking for.
1797
1798 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1799
1800         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1801         archive and Perzl.  Update The Written Word listing.
1802
1803 2008-03-14  Richard Guenther  <rguenther@suse.de>
1804
1805         PR tree-optimization/34043
1806         PR tree-optimization/33989
1807         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1808         when doing FRE.
1809         (bitmap_find_leader): Use extra argument to verify dominance
1810         relationship inside a basic-block.
1811         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1812         (find_leader_in_sets): Adjust.
1813         (create_component_ref_by_pieces): Take extra argument for
1814         dominance check, handle lookup failures.
1815         (find_or_generate_expression): Likewise.
1816         (create_expression_by_pieces): Likewise.
1817         (insert_into_preds_of_block): Adjust.
1818         (create_value_expr_from): If asked for, verify all operands
1819         are in the blocks AVAIL_OUT set.
1820         (make_values_for_stmt): Check for SSA_NAMEs that are life
1821         over an abnormal edge.
1822         (compute_avail): Remove such check.
1823         (do_SCCVN_insertion): New function.
1824         (eliminate): If we do not find a leader suitable for replacement
1825         insert a replacement expression from SCCVN if available.
1826         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1827         (struct vn_ssa_aux): Add needs_insertion flag.
1828         * tree-ssa-sccvn.c (may_insert): New global flag.
1829         (copy_reference_ops_from_ref): Value-number union member access
1830         based on its size, not type and member if insertion is allowed.
1831         (visit_reference_op_load): For a weak match from union type
1832         punning lookup a view-converted value and insert a SSA_NAME
1833         for that value if that is not found.
1834         (visit_use): Make dumps shorter.  Do not disallow value numbering
1835         SSA_NAMEs that are life over an abnormal edge to constants.
1836         (free_scc_vn): Release inserted SSA_NAMEs.
1837         (run_scc_vn): New flag to specify whether insertion is allowed.
1838         Process SSA_NAMEs in forward order.
1839         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1840         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1841         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1842         pointer type to/from integral types that do not change the
1843         precision to regular conversions.
1844
1845 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1846
1847         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1848         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1849         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1850         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1851         input arguments and the mode of return value.  Built-in functions
1852         that operate on whole 64-bit MMX register now use V1DI mode.
1853
1854 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1855             Olga Golovanevsky  <olga@il.ibm.com>
1856
1857         PR tree-optimization/35041
1858         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1859         to locate the right position in a statement.
1860
1861 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1862
1863         PR target/34000
1864         PR target/35553
1865         * config/i386/xmmintrin.h:  Change all static inline functions to
1866         extern inline and add __gnu_inline__ attribute.
1867         * config/i386/bmintrin.h: Ditto.
1868         * config/i386/smmintrin.h: Ditto.
1869         * config/i386/tmmintrin.h: Ditto.
1870         * config/i386/mmintrin-common.h: Ditto.
1871         * config/i386/ammintrin.h: Ditto.
1872         * config/i386/emmintrin.h: Ditto.
1873         * config/i386/pmmintrin.h: Ditto.
1874         * config/i386/mmintrin.h: Ditto.
1875         * config/i386/mm3dnow.h: Ditto.
1876
1877 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1878
1879         PR middle-end/35185
1880         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1881         (lower_omp_2): New function.
1882         (lower_omp_1, lower_omp): Rewritten.
1883
1884 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1885
1886         PR 35054
1887         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1888         with the phrase "Microsoft Windows compilers".
1889         (Push/Pop Macro Pragmas): New subsection. Document
1890         #pragma push_macro and pragma pop_macro.
1891
1892 2008-03-12  Paul Brook  <paul@codesourcery.com>
1893
1894         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1895
1896 2008-03-12  Paul Brook  <paul@codesourcery.com>
1897
1898         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1899         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1900         (thumb2_addsi_shortim): Rename ...
1901         (thumb2_addsi_short): ... to this.  Allow register operands.
1902         (thumb2_subsi_short): New pattern.
1903         (thumb2_one_cmplsi2_short,
1904         thumb2_negsi2_short): New patterns and peepholes.
1905
1906 2008-03-12  Paul Brook  <paul@codesourcery.com>
1907
1908         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1909
1910 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1911
1912         * config/i386/i386.md (int_cond): New code iterator.
1913         (fp_cond): Ditto.
1914         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1915         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1916         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1917         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1918         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1919         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1920         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1921         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1922
1923 2008-03-12  Paul Brook  <paul@codesourcery.com>
1924
1925         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1926         instead of {arm,thumb}_compute_save_reg_mask.
1927         (output_return_instruction): Ditto.
1928         (thumb_unexpanded_epilogue): Ditto.
1929         (thumb1_expand_prologue): Ditto.
1930         (thumb1_output_function_prologue): Ditto.
1931         (arm_set_return_address): Ditto.
1932         (thumb_set_return_address): Ditto.
1933         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1934         regs to achieve stack alignment.
1935         (thumb1_compute_save_reg_mask): Fix compiler warning.
1936         (arm_output_epilogue): Use offsets->saved_regs_mask.
1937         Adjust stack pointer by poping call clobered registers.
1938         (arm_expand_prologue): Use offsets->saved_regs_mask.
1939         Adjust stack pointer by pushing extra registers.
1940         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1941
1942 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1943
1944         PR tree-opt/35422
1945         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1946         conversion to the operands of a multiplication.
1947
1948 2008-03-12  Richard Guenther  <rguenther@suse.de>
1949
1950         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1951         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1952         * timevar.def (TV_TREE_PHIPROP): Add.
1953         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1954         pass description.  Use TV_TREE_PHIPROP.
1955         * tree-ssa-forwprop.c: Remove phiprop code.
1956
1957 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1958
1959         PR middle-end/35549
1960         * omp-low.c (maybe_lookup_decl): Constify first argument.
1961         (use_pointer_for_field): Change last argument from bool to
1962         omp_context *.  Disallow shared copy-in/out in nested
1963         parallel if decl is shared in outer parallel too.
1964         (build_outer_var_ref, scan_sharing_clauses,
1965         lower_rec_input_clauses, lower_copyprivate_clauses,
1966         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1967
1968 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1969             Ira Rosen  <irar@il.ibm.com>
1970
1971         * tree-vectorizer.c (free_stmt_vec_info): New function.
1972         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1973         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1974         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1975         * tree-vect-transform.c (vectorizable_conversion): Free
1976         vec_oprnds0 if it was allocated.
1977         (vect_permute_store_chain): Remove unused VECs.
1978         (vectorizable_store): Free VECs that are allocated in the..
1979         function.
1980         (vect_transform_strided_load, vectorizable_load): Likewise.
1981         (vect_remove_stores): Simplify the code.
1982         (vect_transform_loop): Move code to vect_remove_stores().
1983         Call vect_remove_stores() and free_stmt_vec_info().
1984
1985 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1986
1987         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1988         TARGET_HPUX.  Revise comment.
1989         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1990         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1991         Use sr4 variant of `be' instruction when not generating PIC code.
1992         (attr_length_call): Adjust for above change.
1993
1994 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1995
1996         * ipa-reference.c (static_execute): Remove module_statics_const and
1997         associated setting code.
1998
1999 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2000
2001         PR target/35540
2002         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
2003         predicate for operand 1.
2004         (paritysi2_cmp): Use register_operand predicate for operand 2.
2005         Use earlyclobber modifier for operand 1.  Remove support for
2006         memory operands.
2007         (paritydi2_cmp): Use register_operand predicate for operand 3.
2008         Use earlyclobber modifier for operand 1.  Remove support for
2009         memory operands.
2010
2011 2008-03-11  Paul Brook  <paul@codesourcery.com>
2012             Vladimir Prus  <vladimir@codesourcery.com>
2013
2014         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
2015         (arm_compute_save_reg0_reg12_mask): Always
2016         check if register 11 must be saved.  Always safe hard frame pointer
2017         when frame_pointer_needeed.
2018         (arm_compute_save_reg_mask): Save IP and PC
2019         only with apcs frames.
2020         (arm_output_epilogue): Adjust Thumb2 codepath to
2021         be also invoked and work for ARM non-apcs frames.
2022         (arm_expand_prologue): Don't bother saving IP
2023         for non-apcs frame, since it's not clobbered by
2024         prologue code.  Implement non-apcs frame
2025         layout.
2026
2027 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2028
2029         PR rtl-optimization/35281
2030         * expr.c (convert_move): Use a new pseudo for the intermediate
2031         from_mode->word_mode result.
2032
2033 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
2034
2035         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
2036         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
2037         * toplev.c (compile_file): Don't call it.
2038
2039 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
2040
2041         PR middle-end/35526
2042         * expr.c (store_expr): Call emit_block_move if the mode
2043         of "temp" RTX is BLKmode.
2044
2045 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2046             Richard Guenther  <rguenther@suse.de>
2047
2048         PR tree-optimization/31358
2049         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
2050         the step with a NULL_TREE.
2051         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
2052         to sizetype if type is a pointer type.
2053         (add_candidate_1): Don't convert the base and step to
2054         the generic type if the orginal type is a pointer type.
2055         (add_iv_value_candidates): Use sizetype for the step
2056         if type is a pointer type.
2057         (cand_value_at): Likewise.
2058         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
2059         for pointer types.
2060         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
2061         Don't convert the tem affine to the type.
2062         (add_elt_to_tree): Use sizetype for the step if a pointer.
2063         Use POINTER_PLUS_EXPR for pointers.
2064         (aff_combination_to_tree): Use sizetype for the step if a
2065         pointer.
2066
2067 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
2068
2069         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
2070         Remove commutativity hint.
2071
2072 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
2073
2074         PR c/35438
2075         PR c/35439
2076         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
2077         errorneous type.  Check that v is a VAR_DECL.
2078
2079         PR middle-end/35099
2080         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
2081
2082 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
2083
2084         PR tree-optimization/35494
2085         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
2086         may be overriden at link and run time.
2087
2088 2008-03-10  Richard Guenther  <rguenther@suse.de>
2089
2090         PR tree-optimization/34677
2091         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
2092         (poolify_tree): Likewise.
2093         (modify_expr_template): Likewise.
2094         (poolify_modify_stmt): Likewise.
2095         (insert_fake_stores): Handle all component-ref style stores
2096         in addition to INDIRECT_REF.  Also handle complex types.
2097         Do not poolify the inserted load.
2098         (realify_fake_stores): Do not rebuild the tree but only
2099         make it a SSA_NAME copy.
2100         (init_pre): Remove initialzation of modify_expr_template.
2101         Do not allocate modify_expr_node_pool.
2102         (fini_pre): Do not free modify_expr_node_pool.
2103
2104 2008-03-10  Paul Brook  <paul@codesourcery.com>
2105
2106         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
2107         to avoid conflicts.
2108
2109 2008-03-10  Paul Brook  <paul@codesourcery.com>
2110             Mark Shinwell  <shinwell@codesourcery.com>
2111
2112         * config/arm/cortex-r4.md: New.
2113         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
2114         insn attributes.
2115         * config/arm/arm.md: Include cortex-r4.md.
2116         (insn): Add smmls, sdiv and udiv values.
2117         (generic_sched): Don't use generic scheduling for Cortex-R4.
2118         (arm_issue_rate): New function.
2119         (TARGET_SCHED_ISSUE_RATE): Define.
2120
2121 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
2122
2123         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
2124
2125 2008-03-10  Richard Guenther  <rguenther@suse.de>
2126
2127         * tree-ssa-pre.c (get_sccvn_value): Simplify.
2128         (compute_avail): Do not add stmt uses to AVAIL_OUT.
2129
2130 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
2131
2132         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
2133         Set default to true.
2134
2135 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2136
2137         * c.opt (Wsynth): Deprecate.
2138         * doc/invoke.texi (Option Summary, Warning Options): Document
2139         -Wno-format-contains-nul.
2140
2141 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
2142
2143         PR target/35496
2144         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
2145         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
2146
2147 2008-03-09  Ira Rosen  <irar@il.ibm.com>
2148
2149         * config/rs6000/rs6000.c (builtin_description): Rename vector
2150         left shift operations.
2151         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
2152         (altivec_vsl<VI_char>): Rename to ...
2153         (ashl<mode>3): ... new name.
2154         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
2155         gen_ashlv4si3.
2156         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
2157
2158 2008-03-08  Richard Guenther  <rguenther@suse.de>
2159
2160         * coverage.h (tree_coverage_counter_addr): Declare.
2161         * coverage.c (tree_coverage_counter_addr): New function.
2162         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
2163         before using again.
2164         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
2165         (tree_gen_one_value_profiler): Likewise.
2166         (tree_gen_ic_profiler): Likewise.
2167         (tree_gen_average_profiler): Likewise.
2168         (tree_gen_ior_profiler): Likewise.
2169
2170 2008-03-08  Richard Guenther  <rguenther@suse.de>
2171
2172         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
2173         (vn_binary_op_insert): Likewise.
2174         (vn_unary_op_lookup): Likewise.
2175         (vn_unary_op_insert): Likewise.
2176         (vn_nary_op_lookup): Declare.
2177         (vn_nary_op_insert): Likewise.
2178         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
2179         and binary hashes, use a single obstack for unary_op_pool
2180         and binary_op_pool.
2181         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
2182         a single struct vn_nary_op_s.  Store tree code length and
2183         a variable number of operands.
2184         (struct vn_reference_op_struct): Remove unused op2.
2185         (vn_reference_op_eq): Do not compare op2.
2186         (vn_reference_op_compute_hash): Do not compute hash of op2.
2187         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
2188         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
2189         with vn_nary_op_compute_hash.
2190         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
2191         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
2192         vn_nary_op_lookup.
2193         (vn_unary_op_insert, vn_binary_op_insert): Replace with
2194         vn_nary_op_insert.
2195         (visit_unary_op): Call nary functions.
2196         (visit_binary_op): Likewise.
2197         (process_scc): Adjust for struct vn_tables_s changes.
2198         (allocate_vn_table): Likewise.
2199         (free_vn_table): Likewise.
2200         * tree-vn.c (vn_add): Call nary functions.
2201         (vn_lookup): Likewise.
2202
2203 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
2204
2205         PR target/35498
2206         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
2207         wdst back after sync_compare_and_swapqhi_internal.
2208
2209 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
2210
2211         PR target/22152
2212         * config/i386/i386-modes.def (V1DI): New vector mode.
2213         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
2214         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
2215         (MMXMODE248): Ditto.
2216         (MMXMODE): Add V1DI mode.
2217         (mmxvecsize): Change DI mode to V1DI mode.
2218         ("mov<mode>): Use MMXMODEI8 mode iterator.
2219         ("*mov<mode>_internal_rex64"): Ditto.
2220         ("*mov<mode>_internal"): Ditto.
2221         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
2222         ("mmx_sub<mode>3"): Ditto.
2223         ("mmx_adddi3"): Remove insn pattern.
2224         ("mmx_subdi3"): Ditto.
2225         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
2226         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
2227         ("mmx_ashl<mode>3"): Ditto.
2228         ("mmx_lshrdi3"): Remove insn pattern.
2229         ("mmx_ashldi3"): Ditto.
2230         * config/i386/i386.c (classify_argument): Handle V1DImode.
2231         (function_arg_advance_32): Ditto.
2232         (function_arg_32): Ditto.
2233         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
2234         mmx_addv1di3 insn pattern.
2235         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
2236         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
2237         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
2238         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
2239         Remove definitions of built-in functions.
2240         (V1DI_type_node): New node.
2241         (v1di_ftype_v1di_int): Ditto.
2242         (v1di_ftype_v1di_v1di): Ditto.
2243         (v2si_ftype_v2si_si): Ditto.
2244         (v4hi_ftype_v4hi_di): Remove node.
2245         (v2si_ftype_v2si_di): Ditto.
2246         (ix86_init_mmx_sse_builtins): Handle V1DImode.
2247         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
2248         Redefine builtins using def_builtin_const with *_ftype_*_int node.
2249         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
2250         Add new builtins using def_builtin_const.
2251         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
2252         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
2253         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
2254         * config/i386/mmintrin.h (__v1di): New typedef.
2255         (_mm_add_si64): Cast arguments to __v1di type.
2256         (_mm_sub_si64): Ditto.
2257         (_mm_sll_pi16): Cast __count to __v4hi type.
2258         (_mm_sll_pi32): Cast __count to __v2si type.
2259         (_mm_sll_si64): Cast arguments to __v1di type.
2260         (_mm_srl_pi16): Cast __count to __v4hi type.
2261         (_mm_srl_pi32): Cast __count to __v2si type.
2262         (_mm_srl_si64): Cast arguments to __v1di type.
2263         (_mm_sra_pi16): Cast __count to __v4hi type.
2264         (_mm_sra_pi32): Cast __count to __v2si type.
2265         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
2266         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
2267         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
2268         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
2269         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
2270         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
2271         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
2272         (_mm_srai_pi32): Use __builtin_ia32_psradi.
2273         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
2274         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
2275         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
2276         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
2277
2278 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
2279
2280         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
2281
2282 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
2283
2284         PR target/35373
2285         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
2286         reg+const addressing for Altivec modes.  Don't generate reg+reg
2287         addressing for TFmode or TDmode quantities.
2288
2289 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
2290
2291         * c-common.c (vector_types_convertible_p): Call langhook
2292         instead of comptypes.
2293
2294 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2295
2296         PR tree-opt/35402
2297         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
2298         integral and scalar float variables which have a
2299         NULL DECL_INITIAL.
2300
2301 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
2302
2303         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
2304         dwarf_register_span hook when emitting unwind information for
2305         register-to-memory saves.
2306         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
2307         (rs6000_frame_related): Remove call to spe_synthesize_frame.
2308
2309 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
2310
2311         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
2312         for the same VAR_DECL.
2313
2314 2008-03-06  Tom Tromey  <tromey@redhat.com>
2315
2316         * treelang: Delete.
2317         * doc/standards.texi (Standards): Don't mention treelang.
2318         * doc/invoke.texi (Overall Options): Don't mention treelang.
2319         * doc/install.texi (Prerequisites): Don't mention bison or
2320         treelang.
2321         (Configuration): Don't mention treelang.
2322         (Building): Likewise.
2323         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
2324
2325 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
2326
2327         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
2328         word-extractions out of a multi-word object.
2329
2330 2008-03-06  Richard Guenther  <rguenther@suse.de>
2331
2332         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
2333         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
2334         result type and precision.
2335         * expr.c (get_inner_reference): Set unsignedp based on the result
2336         type of BIT_FIELD_REF.
2337         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
2338         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
2339         (try_instantiate_multiple_fields): Likewise.  Use the correct type
2340         for BIT_FIELD_REF.
2341         (sra_build_assignment): Likewise.
2342         (sra_build_elt_assignment): Likewise.
2343         (sra_explode_bitfield_assignment): Likewise.
2344         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
2345         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
2346         set BIT_FIELD_REF_UNSIGNED.
2347         (vectorizable_load): Likewise.
2348
2349 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
2350
2351         * cse.c (cse_extended_basic_block): Invalidate artificial defs
2352         at bb start.
2353
2354 2008-03-06  Richard Guenther  <rguenther@suse.de>
2355
2356         * alias.c (struct alias_set_entry): Move has_zero_child field
2357         to pack with alias_set.
2358
2359 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
2360
2361         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2362         32bit host.
2363
2364 2008-03-05  Ian Lance Taylor  <iant@google.com>
2365
2366         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
2367
2368 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
2369
2370         * fwprop.c (update_df): Support width and offset parameters of
2371         df_ref_create.
2372         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
2373         global_conflicts): Change DF_REF_EXTRACT to either
2374         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2375         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2376         * df-scan.c (df_ref_record, df_defs_record,
2377         df_ref_create_structure, df_def_record_1, df_uses_record,
2378         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
2379         df_bb_refs_collect, df_entry_block_defs_collect,
2380         df_exit_block_uses_collect): Support new width and offset fields.
2381         (ref_extract_pool): New storage pool.
2382         (df_free_ref): New function.
2383         (df_reg_chain_unlink, df_free_collection_rec,
2384         df_sort_and_compress_refs): Call df_free_ref.
2385         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
2386         of df_ref_extract.
2387         (df_ref_create_structure): Allocate df_ref_extract if offset and
2388         width fields are used.
2389         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
2390         (df_uses_record): Get offset and width from ZERO_EXTRACT 
2391         and SIGN_EXTRACT.
2392         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
2393         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2394         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2395         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
2396         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
2397         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
2398         (df_ref_extract): New structure.
2399         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
2400         (df_ref_create): Add width and offset parameters.
2401         
2402 2008-03-05  Richard Guenther  <rguenther@suse.de>
2403
2404         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2405         Use ranges_overlap_p.
2406         (offset_overlaps_with_access): Rename
2407         to ranges_overlap_p and move ...
2408         * tree-flow-inline.h (ranges_overlap_p): ... here.
2409
2410         * tree.h (get_inner_reference, handled_component_p): Update
2411         comments.
2412
2413         * tree.h (record_component_aliases, get_alias_set,
2414         alias_sets_conflict_p, alias_sets_must_conflict_p,
2415         objects_must_conflict_p): Move declarations ...
2416         * alias.h (record_component_aliases, get_alias_set,
2417         alias_sets_conflict_p, alias_sets_must_conflict_p,
2418         objects_must_conflict_p): ... here.
2419         Include coretypes.h.
2420         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
2421
2422 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
2423
2424         * cfg.c: Include tree-flow.h.
2425         (remove_edge_raw): Call redirect_edge_var_map_clear.
2426         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
2427         * tree-flow-inline.h (redirect_edge_var_map_def): New.
2428         (redirect_edge_var_map_result): New.
2429         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
2430         PENDING_STMT use with redirect_edge_var_map_*.
2431         * tree-ssa.c (edge_var_maps): New definition.
2432         (redirect_edge_var_map_add): New.
2433         (redirect_edge_var_map_clear): New.
2434         (redirect_edge_var_map_dup): New.
2435         (redirect_edge_var_map_vector): New.
2436         (redirect_edge_var_map_destroy): New.
2437         (ssa_redirect_edge): Replace PENDING_STMT use with
2438         redirect_edge_var_map_*.
2439         (flush_pending_stmts): Same.
2440         (delete_tree_ssa): Destroy edge var map.
2441         * tree-flow.h (struct _edge_var_map): New.
2442         Define edge_var_map vector type.
2443         Declare redirect_edge_var_map_* prototypes.
2444         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
2445         * tree-cfg.c (reinstall_phi_args): Replace
2446         PENDING_STMT use with redirect_edge_var_map_*.
2447
2448 2008-03-05  Richard Guenther  <rguenther@suse.de>
2449
2450         PR tree-optimization/35472
2451         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
2452         whose single use_stmt has a overlapping set of loaded and
2453         stored symbols as that use_stmt might be a noop assignment then.
2454
2455 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
2456
2457         * gthr-rtems.h: Implement __gthread_mutex_destroy.
2458
2459 2008-03-05  Richard Guenther  <rguenther@suse.de>
2460
2461         PR c++/35336
2462         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
2463         should be constants.
2464         * tree-cfg.c (verify_expr): Verify it.
2465         * fold-const.c (fold_truthop): Remove code generating
2466         BIT_FIELD_REFs of structure bases.
2467         (fold_binary): Likewise.
2468         (fold_ternary): Position and size of BIT_FIELD_REFs are
2469         always host integers.
2470         (make_bit_field_ref): Remove.
2471         (optimize_bit_field_compare): Remove.
2472         (all_ones_mask_p): Remove.
2473
2474 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
2475
2476         PR gcc/33009
2477         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
2478         (split_block_and_df_analyze): New. Split basic block and rebuild
2479         dataflow.
2480         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
2481         SPLIT_BLOCK.
2482         (split_pattern_seq): Likewise.
2483         (erase_matching_seqs): Likewise.
2484         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
2485
2486 2008-03-04  Geoff Keating  <geoffk@apple.com>
2487
2488         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
2489         declaration and code.
2490         (tree_invalid_nonnegative_warnv_p): Likewise.
2491
2492 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
2493
2494         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
2495         examples.  Truncate option-names then causing overfull hbox.
2496
2497 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2498
2499         PR target/35222
2500         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
2501         on hpux10.
2502         * configure: Rebuilt.
2503
2504 2008-03-04  Rafael Espindola  <espindola@google.com>
2505
2506         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2507         (tree_unary_nonnegative_warnv_p): New.
2508         (tree_binary_nonnegative_warnv_p): New.
2509         (tree_single_nonnegative_warnv_p): New.
2510         (tree_invalid_nonnegative_warnv_p): New.
2511         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2512
2513 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2514
2515         PR 28322
2516         * opts.c (handle_option): Postpone 'unknown option' errors only for
2517         warning options.
2518
2519 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2520
2521         PR target/35453
2522         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2523         (_SIDD_XXX): This.
2524
2525 2008-03-04  Rafael Espindola  <espindola@google.com>
2526
2527         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2528         (tree_binary_nonzero_warnv_p): New.
2529         (tree_single_nonzero_warnv_p): New.
2530         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2531
2532 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2533
2534         PR middle-end/35456
2535         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2536         transformations for modes that have signed zeros.
2537         * ifcvt.c (noce_try_abs): Ditto.
2538
2539 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2540
2541         * config/i386/i386.c (override_options): Force
2542         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2543
2544 2008-03-04  Jan Hubicka  <jh@suse.cz>
2545
2546         PR c++/35262
2547         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2548         in last commit.
2549
2550 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2551
2552         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2553         label to probe the stack.
2554
2555 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2556
2557         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2558         (__gthr_win32_mutex_destroy): Declare.
2559         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2560         __gthr_win32_mutex_destroy.
2561         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2562
2563 2008-03-03  Jan Hubicka  <jh@suse.cz>
2564
2565         PR c++/35262
2566         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2567         aggressive on inlining cold calls.
2568
2569 2008-03-03  Richard Guenther  <rguenther@suse.de>
2570
2571         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2572         struct copies into the expression table.
2573         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2574         (try_to_simplify): Likewise.
2575         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2576         integral and pointer arguments which do not change the
2577         precision to NOP_EXPRs.
2578         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2579         VIEW_CONVERT_EXPR case.
2580
2581 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2582
2583         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2584         defined in a loop at depth 0 is invariant.
2585         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2586         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2587         be called at loop depth 0.
2588
2589 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2590
2591         PR driver/35420
2592         * gcc.c (process_command): Update copyright notice dates.
2593         * gcov.c (print_version): Likewise.
2594         * gcov-dump.c (print_version): Likewise.
2595         * mips-tfile.c (main): Likewise.
2596         * mips-tdump.c (main): Likewise.
2597
2598 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2599
2600         PR 24924
2601         * c-common.c (flag_permissive): Delete.
2602         (constant_expression_warnings): Check flags first.
2603         (constant_expression_error): New.
2604         * c-common.h (flag_permissive): Delete.
2605         (constant_expression_error): Declare.
2606         * flags.h (flag_permissive): Declare. Update description.
2607         * diagnostic.c (pedwarn): Update.
2608         (permerror): New.
2609         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2610         (permissive_error_kind): New.
2611         * toplev.c (flag_permissive): Define. Update description.
2612         * toplev.h (permissive_error_kind): Declare.
2613         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2614         (pedwarn_c90): Use pedantic_warning_kind.
2615         * c-opts.c (c_common_post_options): flag_permissive does not affect
2616         flag_pedantic_errors.
2617
2618 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2619
2620         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2621         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2622         __absvsi2, __absvDI2): Use unsigned arithmetic.
2623
2624 2008-03-02  Andi Kleen  <ak@suse.de>
2625             Richard Guenther  <rguenther@suse.de>
2626
2627         * struct-equiv.c: Remove file.
2628         * cfg_cleanup.c (condjump_equiv_p): Remove.
2629         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2630         (struct-equiv.o): Remove rule.
2631         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2632         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2633         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2634
2635 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2636
2637         * ifcvt.c (noce_process_if_block): Try to handle only the then
2638         block if the else block exists but isn't suitable.
2639
2640 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2641
2642         PR gcc/35063
2643         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2644         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2645         regression from previous patch.
2646
2647 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2648
2649         PR gcc/35063
2650         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2651         implemented.
2652         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2653         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2654         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2655         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2656         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2657         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2658         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2659         (__gthread_mutex_destroy_function): Rename to
2660         __gthread_mutex_destroy.
2661         * gthr-dce.h (__gthread_mutex_destroy): Call
2662         pthread_mutex_destroy.
2663         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2664         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2665         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2666
2667 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2668
2669         * df-scan.c (df_ref_chain_change_bb): Simplify.
2670         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2671         set_block_for_insn if there's any change.
2672         * df.h ((df_insn_change_bb): Fix prototype.
2673         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2674         df_insn_change_bb, don't call set_block_for_insn.
2675         * emit-rtl.c (reorder_insns): Likewise.
2676         * haifa-sched.c (move_insn): Likewise.
2677
2678 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2679
2680         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2681
2682 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2683
2684         * tree-flow-inline.h (next_readonly_imm_use): Return
2685         NULL_USE_OPERAND_P after the end.
2686
2687 2008-03-01  Richard Guenther  <rguenther@suse.de>
2688
2689         PR tree-optimization/35411
2690         * tree-sra.c (sra_build_assignment): Split conversion to
2691         final type to a separate statement if we are not assigning
2692         to a register.
2693
2694 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2695
2696         * fold-const.c (fold_convertible_p): Correct the logic to follow
2697         that in fold_convert().
2698
2699 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2700
2701         PR c++/35315
2702         * tree-inline.c (build_duplicate_type): When we make a
2703         duplicate type, make it unique in the canonical types system.
2704
2705 2008-02-29  Tom Tromey  <tromey@redhat.com>
2706
2707         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2708         input_file_stack_history, input_file_stack_restored): Remove.
2709         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2710         * input.h (struct file_stack): Remove.
2711         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2712         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2713         Likewise.
2714         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2715         type.
2716         (diagnostic_last_module_changed): Add 'map' argument.
2717         (diagnostic_set_last_function): Likewise.
2718         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2719         line map, not input_file_stack.
2720         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2721
2722 2008-02-29  Paul Brook  <paul@codesourcery.com>
2723
2724         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2725
2726 2008-02-29  Paul Brook  <paul@codesourcery.com>
2727
2728         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2729
2730 2008-02-29  Richard Guenther  <rguenther@suse.de>
2731
2732         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2733         vn_lookup_or_add.
2734         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2735         value for comparing for a store match.
2736         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2737         (try_to_simplify): Do not do a full-blown reference lookup.
2738
2739 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2740
2741         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2742         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2743
2744         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2745
2746 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2747
2748         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2749         strides against cache sizes.
2750
2751 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2752
2753         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2754         constant to fpul.
2755
2756 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2757
2758         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2759         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2760         is smaller than the original promoted value.
2761         (simplify_subreg): If OP is a SUBREG, try to preserve its
2762         SUBREG_PROMOTED_VAR_P information.
2763
2764 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2765
2766         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2767         (VN_INFO_GET): Allocate new objects on the obstack.
2768         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2769         for rpo_numbers_temp, for consistency.
2770         (free_scc_vn): Free the obstack.
2771
2772 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2773
2774         * doc/invoke.texi: Document -ftree-loop-distribution.
2775         * tree-loop-distribution.c: New.
2776         * tree-pass.h (pass_loop_distribution): New.
2777         * graphds.h (struct graph): Add htab_t indices.
2778         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2779         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2780         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2781         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2782         * tree-data-ref.c (debug_data_dependence_relations): New.
2783         (dump_data_dependence_relation): Also print data references.
2784         (free_data_ref): Extern.
2785         (same_access_functions): Moved...
2786         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2787         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2788         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2789         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2790         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2791         (stmts_from_loop): Skip LABEL_EXPR.
2792         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2793         New.
2794         (build_rdg): Initialize rdg->indices htab.
2795         (free_rdg, stores_from_loop, ref_base_address,
2796         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2797         have_similar_memory_accesses_1, ref_base_address_1,
2798         remove_similar_memory_refs): New.
2799         * tree-data-ref.h: Depend on tree-chrec.h.
2800         (debug_data_dependence_relations, free_data_ref): Declared.
2801         (same_access_functions): ... here.
2802         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2803         New.
2804         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2805         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2806         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2807         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2808         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2809         rdg_vertex_for_stmt): Declared.
2810         (struct rdg_edge): Add level.
2811         (RDGE_LEVEL): New.
2812         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2813         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2814         Declared.
2815         (rdg_has_similar_memory_accesses): New.
2816         * tree-vect-analyze.c: Remove unused static decls.
2817         * lambda.h (dependence_level): New.
2818         * common.opt (ftree-loop-distribution): New.
2819         * tree-flow.h (mark_virtual_ops_in_bb, 
2820         slpeel_tree_duplicate_loop_to_edge_cfg,
2821         rename_variables_in_loop): Declared.
2822         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2823         (OBJS-common): Add tree-loop-distribution.o.
2824         (tree-loop-distribution.o): New rule.
2825         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2826         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2827         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2828
2829 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2830
2831         PR target/33963
2832         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2833         other than structures and unions.
2834
2835 2008-02-28  Richard Guenther  <rguenther@suse.de>
2836
2837         Revert:
2838         2008-02-26  Richard Guenther  <rguenther@suse.de>
2839
2840         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2841         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2842         (lookup_decl_from_uid): Declare.
2843         (remove_decl_from_map): Likewise.
2844         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2845         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2846         (decl_for_uid_map): New global hashtable mapping DECL_UID
2847         to the decl tree.
2848         (init_ttree): Allocate it.
2849         (insert_decl_to_uid_decl_map): New helper function.
2850         (make_node_stat): Insert new decls into the map.
2851         (copy_node_stat): Likewise.
2852         (lookup_decl_from_uid): New function.
2853         (remove_decl_from_map): Likewise.
2854         (print_decl_for_uid_map_statistics): New helper.
2855         (dump_tree_statistics): Call it.
2856
2857         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2858         (referenced_var_iterator): Adjust.
2859         (FOR_EACH_REFERENCED_VAR): Adjust.
2860         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2861         (num_referenced_vars): Adjust.
2862         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2863         (first_referenced_var): Remove.
2864         (end_referenced_vars_p): Likewise.
2865         (next_referenced_var): Likewise.
2866         (referenced_var_iterator_set): New helper function.
2867         * tree-dfa.c (referenced_var_lookup): Adjust.
2868         (referenced_var_check_and_insert): Likewise.
2869         (remove_referenced_var): Likewise.
2870         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2871         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2872         (verify_call_clobbering): Likewise.
2873         (verify_memory_partitions): Likewise.
2874         (init_tree_ssa): Allocate bitmap instead of hashtable for
2875         referenced_vars.
2876         (delete_tree_ssa): Adjust.
2877         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2878         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2879         (compute_tag_properties): Likewise.
2880         (set_initial_properties): Likewise.
2881         (find_partition_for): Likewise.
2882         (update_reference_counts): Likewise.
2883         (dump_may_aliases_for): Likewise.
2884         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2885         (add_call_clobber_ops): Likewise.
2886         (add_call_read_ops): Likewise.
2887         (get_asm_expr_operands): Likewise.
2888         * tree-into-ssa.c (dump_decl_set): Likewise.
2889         (update_ssa): Likewise.
2890         * tree-sra.c (scan_function): Likewise.
2891         (decide_instantiations): Likewise.
2892         (scalarize_parms): Likewise.
2893         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2894         (dsa_named_for): Likewise.
2895         * tree-ssa-structalias.c (update_alias_info): Likewise.
2896         (merge_smts_into): Likewise.
2897
2898 2008-02-27  David Daney  <ddaney@avtrex.com>
2899
2900         PR target/34409
2901         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2902         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2903         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2904         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2905         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2906
2907 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2908
2909         PR target/25477
2910         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2911         (BUILT_IN_NEXTTOWARD): Remove.
2912         (BUILT_IN_NEXTTOWARDF): Ditto.
2913         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2914         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2915
2916 2008-02-27  Tom Tromey  <tromey@redhat.com>
2917
2918         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2919         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2920
2921 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2922
2923         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2924         update the respective field on newdecl.
2925
2926 2008-02-27  Revital Eres  <eres@il.ibm.com>
2927
2928         PR rtl-optimization/34999
2929         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2930         crossing edges that ends with a call insn.
2931         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2932         call insn and clear the EDGE_CROSSING flag of the crossing edge
2933         when fixing fallthru edges.
2934
2935 2008-02-27  Richard Guenther  <rguenther@suse.de>
2936
2937         PR middle-end/35390
2938         * fold-const.c (fold_unary): Return the correct argument,
2939         converted to the result type.
2940
2941 2008-02-27  Richard Guenther  <rguenther@suse.de>
2942
2943         PR middle-end/34971
2944         * expr.c (expand_expr_real_1): Assert on rotates that operate
2945         on partial modes.
2946         * fold-const.c (fold_binary): Use the types precision, not the
2947         bitsize of the mode if folding rotate expressions.  Build rotates
2948         only for full modes.
2949
2950 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2951
2952         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2953         and CPP_PRAGMA_EOL.
2954         * c-pragma.c (pragma_ns_name): New typedef.
2955         (registered_pp_pragmas): New variable.
2956         (c_pp_lookup_pragma): New function.
2957         (c_register_pragma_1): If flag_preprocess_only, do nothing
2958         for non-expanded pragmas, for expanded ones push pragma's
2959         namespace and name into registered_pp_pragmas vector.
2960         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2961         flag_preprocess_only, don't register GCC pch_preprocess
2962         pragma if flag_preprocess_only.
2963         * c-opts.c (c_common_init): Call init_pragma even if
2964         flag_preprocess_only.
2965         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2966         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2967         cpp_register_pragma if flag_preprocess_only.
2968
2969 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2970
2971         PR c/28800
2972         * c-parser.c (c_parser_translation_unit): Warn for empty
2973         translation unit, not empty source file.
2974
2975 2008-02-26  Paul Brook  <paul@codesourcery.com>
2976
2977         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2978         operand for Thumb-2.
2979         * config/arm/arm.h (reg_class): Add CORE_REGS.
2980         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2981         (BASE_REG_CLASS): Use CORE_REGS.
2982         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2983         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2984         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2985         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2986         ARM_REGNO_OK_FOR_INDEX_P.
2987         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2988         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2989         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2990         (ldm/stm peepholes): Ditto.
2991         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2992         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2993         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2994         * config/arm/constraints.md: Enable "k" constraint on ARM.
2995
2996 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2997
2998         * config/rs6000/rs6000.c: Annotate cache line size field in all
2999         instances of struct processor_costs.
3000
3001 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
3002
3003         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
3004         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
3005         jump_bypass): New counters.
3006         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
3007         * dce.c (gate_ud_dce): Same.
3008         (gate_fast_dce): Same.
3009         * dse.c (gate_dse1): New function.
3010         (gate_dse2): New function.
3011         (gate_dse): Merge results of new gate functions.
3012         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
3013         (gate_handle_jump_bypass): Add dbg_cnt.
3014         (gate_handle_gcse): Add dbg_cnt.
3015         * ifcvt.c (gate_handle_if_conversion): Same.
3016         (gate_handle_if_after_combine): Same.
3017         (gate_handle_if_after_reload): Same.
3018         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
3019
3020 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
3021
3022         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
3023         line sizes.
3024         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
3025
3026 2008-02-26  Jason Merrill  <jason@redhat.com>
3027
3028         PR c++/35315
3029         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
3030         alone if it's the naming decl for the type's main variant.
3031
3032 2008-02-26  Tom Tromey  <tromey@redhat.com>
3033
3034         * system.h (USE_MAPPED_LOCATION): Poison.
3035         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
3036         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
3037         (make_goto_expr_edges): Likewise.
3038         (remove_bb): Likewise.
3039         (execute_warn_function_return): Likewise.
3040         * basic-block.h (struct edge_def) <goto_locus>: Change type to
3041         location_t.
3042         * c-common.c (fname_decl): Remove old location code.
3043         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
3044         location code.
3045         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
3046         variant.
3047         (ASM_INPUT_SOURCE_LOCATION): Likewise.
3048         (gen_rtx_ASM_INPUT): Likewise.
3049         (gen_rtx_ASM_INPUT_loc): Likewise.
3050         (get_rtx_asm_OPERANDS): Remove.
3051         * cfglayout.c (insn_locators_alloc): Remove old location code.
3052         (set_curr_insn_source_location): Likewise.
3053         (curr_insn_locator): Likewise.
3054         * print-tree.c (print_node): Remove old location code.
3055         * tree-mudflap.c (mf_varname_tree): Remove old location code.
3056         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
3057         * cfgexpand.c (expand_gimple_cond_expr): Don't use
3058         location_from_locus.
3059         (construct_exit_block): Remove old location code.
3060         * emit-rtl.c (force_next_line_note): Remove old location code.
3061         * profile.c (branch_prob): Remove old location code.
3062         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
3063         LOC_LINE): Remove old-location variants.
3064         * langhooks.c (lhd_print_error_function): Remove old location
3065         code.
3066         * configure, config.in: Rebuilt.
3067         * configure.ac (--enable-mapped-location): Remove.
3068         * c-decl.c (c_init_decl_processing): Remove old location code.
3069         (finish_function): Likewise.
3070         * recog.c (decode_asm_operands): Remove old location code.
3071         * c-pch.c (c_common_read_pch): Remove old location code.
3072         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
3073         variants.
3074         * gimple-low.c (lower_function_body): Remove old location code.
3075         * toplev.c (unknown_location): Remove.
3076         (push_srcloc): Remove old-location variant.
3077         (process_options): Remove old location code.
3078         (lang_dependent_init): Likewise.
3079         * input.h (UNKNOWN_LOCATION): Move definition.
3080         (location_t): Undeprecate.
3081         (source_locus): Remove.
3082         (location_from_locus): Remove.
3083         (struct location_s): Remove.
3084         Remove all old-location code.
3085         (input_line, input_filename): Remove.
3086         * final.c (final_scan_insn): Remove old location code.
3087         * diagnostic.c (diagnostic_build_prefix): Remove
3088         USE_MAPPED_LOCATION test.
3089         * tree.h (gimple_stmt) <locus>: Now a location_t.
3090         (tree_exp) <locus>: Likewise.
3091         (DECL_IS_BUILTIN): Remove old-location variant.
3092         (annotate_with_file_line, annotate_with_locus): Likewise.
3093         (expr_locus, set_expr_locus): Update.
3094         * tree.c (build1_stat): Remove old location code.
3095         (last_annotated_node): Remove.
3096         (annotate_with_file_line): Remove old-location variant.
3097         (annotate_with_locus): Likewise.
3098         (expr_location): Remove old location code.
3099         (set_expr_location): Likewise.
3100         (expr_has_location): Likewise.
3101         (expr_locus): Likewise.
3102         (set_expr_locus): Likewise.
3103         (expr_filename): Don't use location_from_locus.
3104         (expr_lineno): Likewise.
3105         * rtl-error.c (location_for_asm): Remove old location code.
3106         * c-lex.c (cb_line_change): Remove old location code.
3107         (fe_file_change): Likewise.
3108         (cb_def_pragma): Likewise.
3109         (c_lex_with_flags): Likewise.
3110         * gengtype.c (do_typedef): Don't special-case location types.
3111         (define_location_structures): Remove.
3112         (main): Don't call define_location_structures.
3113         * tree-pretty-print.c (dump_implicit_edges): Remove old location
3114         code.
3115
3116 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3117
3118         PR 26264
3119         * builtins.def (BUILT_IN_STDARG_START): Remove.
3120         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
3121         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3122         * tree-inline.c (inline_forbidden_p_1): Likewise.
3123         
3124 2008-02-26  Richard Guenther  <rguenther@suse.de>
3125
3126         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3127         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3128         (lookup_decl_from_uid): Declare.
3129         (remove_decl_from_map): Likewise.
3130         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3131         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3132         (decl_for_uid_map): New global hashtable mapping DECL_UID
3133         to the decl tree.
3134         (init_ttree): Allocate it.
3135         (insert_decl_to_uid_decl_map): New helper function.
3136         (make_node_stat): Insert new decls into the map.
3137         (copy_node_stat): Likewise.
3138         (lookup_decl_from_uid): New function.
3139         (remove_decl_from_map): Likewise.
3140         (print_decl_for_uid_map_statistics): New helper.
3141         (dump_tree_statistics): Call it.
3142
3143         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3144         (referenced_var_iterator): Adjust.
3145         (FOR_EACH_REFERENCED_VAR): Adjust.
3146         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3147         (num_referenced_vars): Adjust.
3148         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3149         (first_referenced_var): Remove.
3150         (end_referenced_vars_p): Likewise.
3151         (next_referenced_var): Likewise.
3152         (referenced_var_iterator_set): New helper function.
3153         * tree-dfa.c (referenced_var_lookup): Adjust.
3154         (referenced_var_check_and_insert): Likewise.
3155         (remove_referenced_var): Likewise.
3156         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3157         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3158         (verify_call_clobbering): Likewise.
3159         (verify_memory_partitions): Likewise.
3160         (init_tree_ssa): Allocate bitmap instead of hashtable for
3161         referenced_vars.
3162         (delete_tree_ssa): Adjust.
3163         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3164         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3165         (compute_tag_properties): Likewise.
3166         (set_initial_properties): Likewise.
3167         (find_partition_for): Likewise.
3168         (update_reference_counts): Likewise.
3169         (dump_may_aliases_for): Likewise.
3170         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3171         (add_call_clobber_ops): Likewise.
3172         (add_call_read_ops): Likewise.
3173         (get_asm_expr_operands): Likewise.
3174         * tree-into-ssa.c (dump_decl_set): Likewise.
3175         (update_ssa): Likewise.
3176         * tree-sra.c (scan_function): Likewise.
3177         (decide_instantiations): Likewise.
3178         (scalarize_parms): Likewise.
3179         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3180         (dsa_named_for): Likewise.
3181         * tree-ssa-structalias.c (update_alias_info): Likewise.
3182         (merge_smts_into): Likewise.
3183
3184 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3185
3186         PR 34351
3187         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
3188         * c-opts.c (c_common_handle_option): Wall enables
3189         Wvolatile-register-var.
3190         * common.opt: Move Wvolatile-register-var to...
3191         * c.opt: ...here.
3192         
3193 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3194
3195         * common.opt (Wlarger-than=): New.
3196         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
3197         -Wlarger-than=.
3198         * opts.c (common_handle_option): Handle -Wlarger-than=.
3199         * optc-gen.awk: Likewise.
3200         * opth-gen.awk: Likewise.
3201         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
3202         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3203         
3204 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3205
3206         * c-common.c (match_case_to_enum_1): Add appropriate
3207         OPT_W* parameter to warning.
3208         (c_do_switch_warnings): Likewise.
3209         * c-typeck.c (warning_init): Add one more parameter following
3210         'warning' function.
3211         (push_init_level): Update call to warning_init.
3212         (pop_init_level): Likewise.
3213         (add_pending_init): Likewise.
3214         (output_init_element: Likewise.
3215
3216 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3217
3218         PR 28322
3219         * toplev.c (toplev_main): If there are warnings or error, print
3220         errors for ignored options.
3221         * opts.c (ignored_options): New static variable.
3222         (postpone_unknown_option_error): New.
3223         (print_ignored_options): New.
3224         (handle_option): Postpone errors for unknown -Wno-* options.
3225         * opts.h (print_ignored_options): Declare.
3226         
3227 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3228
3229         * config/mips/mips.md (loadgp_blockage, blockage): Change type
3230         to "ghost".
3231
3232 2008-02-25  Richard Guenther  <rguenther@suse.de>
3233
3234         Revert:
3235         2008-02-25  Richard Guenther  <rguenther@suse.de>
3236
3237         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3238         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3239         (lookup_decl_from_uid): Declare.
3240         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3241         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3242         (decl_for_uid_map): New global hashtable mapping DECL_UID
3243         to the decl tree.
3244         (init_ttree): Allocate it.
3245         (insert_decl_to_uid_decl_map): New helper function.
3246         (make_node_stat): Insert new decls into the map.
3247         (copy_node_stat): Likewise.
3248         (lookup_decl_from_uid): New function.
3249         (print_decl_for_uid_map_statistics): New helper.
3250         (dump_tree_statistics): Call it.
3251
3252         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3253         (referenced_var_iterator): Adjust.
3254         (FOR_EACH_REFERENCED_VAR): Adjust.
3255         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3256         (num_referenced_vars): Adjust.
3257         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3258         (first_referenced_var): Remove.
3259         (end_referenced_vars_p): Likewise.
3260         (next_referenced_var): Likewise.
3261         (referenced_var_iterator_set): New helper function.
3262         * tree-dfa.c (referenced_var_lookup): Adjust.
3263         (referenced_var_check_and_insert): Likewise.
3264         (remove_referenced_var): Likewise.
3265         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3266         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3267         (verify_call_clobbering): Likewise.
3268         (verify_memory_partitions): Likewise.
3269         (init_tree_ssa): Allocate bitmap instead of hashtable for
3270         referenced_vars.
3271         (delete_tree_ssa): Adjust.
3272         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3273         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3274         (compute_tag_properties): Likewise.
3275         (set_initial_properties): Likewise.
3276         (find_partition_for): Likewise.
3277         (update_reference_counts): Likewise.
3278         (dump_may_aliases_for): Likewise.
3279         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3280         (add_call_clobber_ops): Likewise.
3281         (add_call_read_ops): Likewise.
3282         (get_asm_expr_operands): Likewise.
3283         * tree-into-ssa.c (dump_decl_set): Likewise.
3284         (update_ssa): Likewise.
3285         * tree-sra.c (scan_function): Likewise.
3286         (decide_instantiations): Likewise.
3287         (scalarize_parms): Likewise.
3288         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3289         (dsa_named_for): Likewise.
3290         * tree-ssa-structalias.c (update_alias_info): Likewise.
3291         (merge_smts_into): Likewise.
3292
3293 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3294
3295         PR fortran/29549
3296         * doc/invoke.texi (-fcx-limited-range): Document new option.
3297         * toplev.c (process_options): Handle -fcx-fortran-rules.
3298         * common.opt: Add documentation for -fcx-fortran-rules.
3299
3300 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
3301
3302         PR c/35162
3303         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
3304         actual behaviour and C99.
3305         
3306 2008-02-26  Ben Elliston  <bje@au.ibm.com>
3307
3308         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
3309         (ASM_CPU_POWER6_SPEC): Likewise.
3310         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
3311         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
3312         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
3313
3314 2008-02-25  Richard Guenther  <rguenther@suse.de>
3315
3316         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
3317         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
3318         (lookup_decl_from_uid): Declare.
3319         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
3320         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
3321         (decl_for_uid_map): New global hashtable mapping DECL_UID
3322         to the decl tree.
3323         (init_ttree): Allocate it.
3324         (insert_decl_to_uid_decl_map): New helper function.
3325         (make_node_stat): Insert new decls into the map.
3326         (copy_node_stat): Likewise.
3327         (lookup_decl_from_uid): New function.
3328         (print_decl_for_uid_map_statistics): New helper.
3329         (dump_tree_statistics): Call it.
3330
3331         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
3332         (referenced_var_iterator): Adjust.
3333         (FOR_EACH_REFERENCED_VAR): Adjust.
3334         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
3335         (num_referenced_vars): Adjust.
3336         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
3337         (first_referenced_var): Remove.
3338         (end_referenced_vars_p): Likewise.
3339         (next_referenced_var): Likewise.
3340         (referenced_var_iterator_set): New helper function.
3341         * tree-dfa.c (referenced_var_lookup): Adjust.
3342         (referenced_var_check_and_insert): Likewise.
3343         (remove_referenced_var): Likewise.
3344         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
3345         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3346         (verify_call_clobbering): Likewise.
3347         (verify_memory_partitions): Likewise.
3348         (init_tree_ssa): Allocate bitmap instead of hashtable for
3349         referenced_vars.
3350         (delete_tree_ssa): Adjust.
3351         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
3352         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
3353         (compute_tag_properties): Likewise.
3354         (set_initial_properties): Likewise.
3355         (find_partition_for): Likewise.
3356         (update_reference_counts): Likewise.
3357         (dump_may_aliases_for): Likewise.
3358         * tree-ssa-operands.c (add_virtual_operand): Likewise.
3359         (add_call_clobber_ops): Likewise.
3360         (add_call_read_ops): Likewise.
3361         (get_asm_expr_operands): Likewise.
3362         * tree-into-ssa.c (dump_decl_set): Likewise.
3363         (update_ssa): Likewise.
3364         * tree-sra.c (scan_function): Likewise.
3365         (decide_instantiations): Likewise.
3366         (scalarize_parms): Likewise.
3367         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
3368         (dsa_named_for): Likewise.
3369         * tree-ssa-structalias.c (update_alias_info): Likewise.
3370         (merge_smts_into): Likewise.
3371
3372 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
3373
3374         PR target/35258
3375         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
3376         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
3377         * alias.h (nonoverlapping_memrefs_p): Likewise.
3378
3379 2008-02-25  Jan Beulich  <jbeulich@novell.com>
3380
3381         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
3382         * config/i386/netware-libgcc.exp: Add __bswap?i2,
3383         __emultls_get_address, __emultls_register_common,
3384         __floatundi?f, and _Unwind_GetIPInfo.
3385         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
3386         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
3387         (gen_regparm_prefix): Likewise.
3388         (i386_nlm_encode_section_info): Sync with
3389         config/i386/winnt.c:i386_pe_encode_section_info().
3390         (i386_nlm_maybe_mangle_decl_assembler_name): New.
3391         i386_nlm_mangle_decl_assembler_name): New.
3392         (netware_override_options): New.
3393         * config/i386/netware.h (netware_override_options): Declare.
3394         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
3395         (i386_nlm_mangle_decl_assembler_name): Declare.
3396         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
3397
3398 2008-02-25  Ben Elliston  <bje@au.ibm.com>
3399
3400         PR other/32948
3401         * c-decl.c (grokdeclarator): Remove unused local variables
3402         `typedef_type' and `type_as_written'.
3403         * bb-reorder.c
3404         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
3405         unused local variable `has_hot_blocks'.
3406         (fix_crossing_conditional_branches): Remove unused local variable