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1 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
2
3         * doc/include/gpl_v3.texi: Update for manpage generation.
4         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
5         gpl.texi.
6         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
7         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
8         gpl_v3.texi instead of gpl.texi.
9         (gpl.pod): New.
10
11 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
12
13         PR pch/13675
14         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15
16 2008-04-01  Rafael Espindola  <espindola@google.com>
17
18         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
19         (extract_code_and_val_from_cond): Use
20         extract_code_and_val_from_cond_with_ops.
21
22 2008-04-01  Jan Hubicka  <jh@suse.cz>
23
24         * function.c (free_after_compilation): Free epilogue_delay_list.
25         (prepare_function_start): Assert that previous compilation was freed.
26
27 2008-04-01  Jan Hubicka  <jh@suse.cz>
28             Jim Wilson  <wilson@tuliptree.org>
29             Andreas Tobler <andreast@gcc.gnu.org>
30
31         PR middle-end/35781
32         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
33         rtl.emit instead cfun->emit.
34         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
35         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
36
37 2008-04-01  Ben Elliston  <bje@au.ibm.com>
38
39         * doc/c-tree.texi (Function Basics): Fix grammatical error.
40
41 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
42
43         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
44         New options
45         (fprofile-use): Add var flag_profile_use
46         * coverage.c (coverage_begin_output): Do not open a gcno file for output
47         only if -ftest-coverage is set.
48         Do not add getpwd() to gcda file path.
49         (build_gcov_info): Check the new flag 
50         flag_profile_datafile_relative_path.
51         (coverage_init): Use profile_data_prefix.
52         Read profile counter only if flag_profile_use is set.
53         * opts.c (common_handle_option): New option fprofile-use=,
54         fprofile-dir=, fprofile-generate=.
55         * toplev.c (profile_data_prefix): New variable definition.
56         * toplev.h (profile_data_prefix): New declaration.
57         * doc/invoke.tex (Option Summary, Optimization Options):
58         Add new options.
59
60 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
61
62         * varasm.c (output_constant_pool_1): In LABEL_REF check, use tmp
63         consistently.
64
65         PR target/35695
66         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
67         * config/ia64/ia64.c (rtx_needs_barrier): Handle
68         UNSPEC_FR_RECIP_APPROX_RES.
69         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
70
71 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
72
73         PR c/35750
74         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
75
76 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
77
78         PR middle-end/30186
79         * fold-const.c (fold_indirect_ref_1): Support accessing non first
80         element of the vector via a pointer.
81
82 2008-03-31  Ian Lance Taylor  <iant@google.com>
83
84         * tlink.c (scan_linker_output): Look for symbol name in single
85         quotes.
86
87 2008-03-31  Jan Hubicka  <jh@suse.cz>
88
89         * builtins.c (expand_builtin_setjmp_receiver): Update call of
90         get_arg_pointer_save_area.
91         * expr.c (init_expr): Just clear out rtl.expr.
92         * function.c (free_after_compilation): Clear out whole RTL structure.
93         (get_func_frame_size): Merge into ...
94         (get_frame_size): ... this one.
95         (assign_stack_local_1): Merge into ...
96         (assign_stack_local): ... this one.
97         (expand_function_end): Update call of get_arg_pointer_save_area.
98         (get_art_pointer_save_area): Remove cfun argument.
99         * function.h (emit_status): regno_pointer_align does not need length
100         attribute. Move x_regno_reg_rtx to ...
101         (regno_reg_rtx): ... new global array.
102         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
103         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
104         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
105         (struct varasm_status): Move here from varasm.c
106         (struct rtl_data): New. Move here some fields from struct function.
107         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
108         frame_offset, stack_check_probe_note, arg_pointer_save_area,
109         used_temp_slots avail_temp_slots, temp_slot_level,
110         nonlocal_goto_handler_labels): Update accesstors.
111         (rtl): New global variable.
112         (struct function): Move some fileds to rtl_data.
113         (get_arg_pointer_save_area): Update prototype.
114         * emit-rtl.c (rtl): Declare.
115         (regno_reg_rtx): Declare.
116         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
117         (gen_reg_rtx): Update.
118         (init_virtual_regs): Do not tate emit_status argument.
119         (init_emit): Do not allocate emit.
120         * varasm.c (varasm_statuc): Move to function.h.
121         (n_deferred_constatns): Update accestor.
122         (init_varasm_status): Do not allocate varasm_status.
123         (force_const_mem, get_pool_size, output_constant_pool): Update.
124         * stmt.c (force_label_rtx): Do not use x_ prefixes.
125         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
126
127 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
128
129         PR rtl-optimization/35729
130         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
131         references.
132
133 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
134
135         PR target/32000
136         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
137         load/store if memory is unaligned.
138         (*movti_rex64): Likewise.
139
140         * config/i386/predicates.md (misaligned_operand): New.
141
142 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
143
144         PR tree-opt/35431
145         * tree-ssa-phiopt.c (conditional_replacement): Return early for
146         complex types.
147
148 2008-03-31  Jan Beulich  <jbeulich@novell.com>
149
150         * config/ia64/constraints.md: Add 'j' constraint.
151         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
152         (movdi_internal): Likewise.
153
154 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
155
156         PR c/35748
157         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
158
159 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
160
161         PR target/35757
162         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
163         proper error message for the third argument on blendpd and
164         blendps.
165
166         * config/i386/sse.md (blendbits): New.
167         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
168
169 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
170
171         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
172
173 2008-03-30  Richard Guenther  <rguenther@suse.de>
174
175         PR middle-end/31023
176         * fold-const.c (fold_sign_changed_comparison): Do leave
177         conversions to base-types alone.
178
179 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
180
181         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
182         the link register if one altivec register is be saved.
183
184 2008-03-30  Ben Elliston  <bje@au.ibm.com>
185
186         * final.c (final_scan_insn): Remove if (0) code.
187
188 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
189
190         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
191
192 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
193
194         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
195         of V4SFmode to ix86_binary_operator_ok.
196
197 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
198
199         * config/i386/i386.c (override_options): Initialize
200         ix86_veclib_handler to ix86_veclibabi_svml when
201         -mveclibabi=svml is used.
202         (ix86_veclibabi_svml): New function for SVML ABI style
203         vectorization support.
204         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
205
206 2008-03-28  Rafael Espindola  <espindola@google.com>
207
208         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
209         (tree_binary_nonnegative_warnv_p): Make it public.
210         (tree_single_nonnegative_warnv_p): Make it public.
211         (tree_invalid_nonnegative_warnv_p): Make it public.
212         (tree_unary_nonzero_warnv_p): Make it public.
213         (tree_binary_nonzero_warnv_p): Make it public
214         (tree_single_nonzero_warnv_p): Make it public.
215         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
216         (extract_range_from_binary_expr): Split the expr argument.
217         (extract_range_from_unary_expr): Split the expr argument.
218         (extract_range_from_comparison): Split the expr argument.
219         (extract_range_from_expr): Use the new aux functions.
220         (vrp_evaluate_conditional_warnv): Use
221         vrp_evaluate_conditional_warnv_with_ops.
222         * tree.h (tree_unary_nonzero_warnv_p): Declare.
223         (tree_binary_nonzero_warnv_p): Declare.
224         (tree_single_nonzero_warnv_p): Declare.
225         (tree_expr_nonzero_warnv_p): Declare.
226         (tree_unary_nonnegative_warnv_p): Declare.
227         (tree_binary_nonnegative_warnv_p): Declare.
228         (tree_single_nonnegative_warnv_p): Declare.
229         (tree_invalid_nonnegative_warnv_p): Declare.
230
231 2008-03-28  Richard Guenther  <rguenther@suse.de>
232
233         PR tree-optimization/30317
234         PR tree-optimization/30911
235         PR tree-optimization/34793
236         * tree-vrp.c (set_and_canonicalize_value_range): New function.
237         (struct assert_locus_d): New member EXPR.
238         (register_new_assert_for): Add EXPR parameter to support
239         ASSERT_EXPR <name, expr OP limit>.
240         (register_edge_assert_for_1): Adjust callers.
241         (find_assert_locations): Likewise.
242         (process_assert_insertions_for): Build condition from expression.
243         (extract_range_from_assert): Handle ASSERT_EXPRs
244         of the form ASSERT_EXPR <name, expr OP limit>.
245         (register_edge_assert_for_2): New helper registering
246         asserts for comparisons.  Recognize range tests of the form
247         (unsigned)i - CST1 OP CST2.
248         (register_edge_assert_for_1): Use it.
249         (register_edge_assert_for): Likewise.
250         (needs_overflow_infinity): Integer sub-types
251         do not need overflow infinities.
252         (vrp_val_is_max): The extreme values of integer sub-types
253         are those of the base type.
254         (vrp_val_is_min): Likewise.
255         * tree.def (ASSERT_EXPR): Document extra allowed conditional
256         expressions.
257
258 2008-03-28  Nick Clifton  <nickc@redhat.com>
259
260         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
261         Return GENERAL_REGS for stack adjustment reloads.
262
263 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
264
265         PR target/31334
266         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
267         const_vector when all the vectors are constant.
268
269 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
270
271         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
272         comparisons.
273         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
274         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
275         (scc_sf): New.
276         (s<code>_sf): Use new scc_sf attribute for opcode names.
277
278 2008-03-27  Tom Tromey  <tromey@redhat.com>
279
280         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
281         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
282         config/spu/t-spu-elf, config/i386/t-interix,
283         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
284         config/i386/x-darwin, config/i386/x-mingw32,
285         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
286         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
287         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
288         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
289         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
290         config/rs6000/x-darwin, config/rs6000/t-rs6000,
291         config/score/t-score-elf, config/arm/t-strongarm-pe,
292         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
293         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
294         Revert automatic dependency patch.
295
296 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
297
298         PR target/35657
299         * config/i386/i386.c (ix86_function_arg_boundary): Align
300         decimal floating point to its natural boundary.
301
302 2008-03-27  Richard Guenther  <rguenther@suse.de>
303
304         PR middle-end/35716
305         * fold-const.c (fold_comparison): Restrict distinct decl
306         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
307         solely rely on operand_equal_p.
308
309 2008-03-27  Richard Guenther  <rguenther@suse.de>
310
311         PR c/32511
312         * c-common.c (handle_weak_attribute): Reject combination of
313         weak and inline.
314
315 2008-03-27  Richard Guenther  <rguenther@suse.de>
316
317         PR tree-optimization/32810
318         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
319         conversions from DECL_INITIAL.
320         (fold_const_aggregate_ref): Likewise from constructor elements.
321
322 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
323
324         * tree-affine.h (aff_combination_expand): Declare.
325         (get_inner_reference_aff): Likewise.
326         * tree-affine.c (aff_combination_expand): Split out from
327         tree_to_aff_combination_expand.
328         (get_inner_reference_aff): New function.
329         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
330         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
331         (struct lim_aux_data): sm_done field removed.
332         (mem_ref_loc_p, mem_ref_locs_p): New types.
333         (struct mem_ref): Added id, stored, accesses_in_loop,
334         indep_loop, dep_loop, indep_ref, dep_ref fields.
335         Removed is_stored, locs and next fields.
336         (memory_accesses): New variable.
337         (movement_possibility): Do not allow moving statements
338         that store to memory.
339         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
340         New functions.
341         (determine_max_movement): For statements with memory references,
342         find the outermost loop in that the reference is independent.
343         (move_computations_stmt): Mark the virtual operands for renaming.
344         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
345         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
346         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
347         add_vop_ref_mapping, create_vop_ref_mapping_loop,
348         create_vop_ref_mapping, analyze_memory_references,
349         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
350         get_all_locs_in_loop, ref_always_accessed_p,
351         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
352         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
353         store_motion_loop, store_motion): New functions.
354         (struct vop_to_refs_elt): New type.
355         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
356         memref_hash, memref_eq, hoist_memory_references): Rewritten.
357         (schedule_sm): Replaced by...
358         (execute_sm): ... this.
359         (determine_lsm_ref, hoist_memory_references,
360         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
361         find_more_ref_vops, free_mem_ref, free_mem_refs,
362         determine_lsm_loop, determine_lsm): Removed.
363         (tree_ssa_lim_finalize): Free data structures used by store motion.
364         (tree_ssa_lim): Call analyze_memory_references.  Use
365         store_motion instead of determine_lsm.
366
367 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
368
369         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
370         rename tmake_file to m68hc11/t-m68hc11.
371         (mcore): Set inhibit_libc to true.
372         * config.host (alpha*-dec-*vms*): Set extra_programs.
373         (interix3*): Don't use host_xmake_file.
374         * configure.ac: Let config.gcc override inhibit_libc.
375         * configure: Regenerate.
376
377         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
378         * config/t-openbsd-thread: Remove commented out lines.
379         
380         * config/x-interix: Remove.
381
382         * config/m68hc11/t-m68hc11-gas: Rename to...
383         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
384
385         * config/mcore/t-mcore: Remove T_CFLAGS.
386         * config/mcore/t-mcore-pe: Likewise.
387
388 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
389
390         * configure.ac: Replace custom __GNU_SOURCE test with
391         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
392         * aclocal.m4: Regenerate.
393         * configure: Regenerate.
394         * config.in: Regenerate.
395
396 2008-03-27  Richard Guenther  <rguenther@suse.de>
397
398         * fold-const.c (target.h): Include.
399         (fold_comparison): Fold comparison of addresses of decls
400         that bind locally or of constants.  Consolidate address folding code.
401         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
402         results from fold_binary_to_constant.
403         (compare_values_warnv): Likewise.
404
405 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
406
407         PR middle-end/35429
408         * fold-const.c (fold_truthop): Check for integeral types when folding
409         a == 0 && b == 0 and a != 0 || b != 0 .
410
411 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
412
413         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
414
415 2008-03-26  Andreas Schwab  <schwab@suse.de>
416
417         * doc/invoke.texi: Fix use of @item vs. @itemx.
418
419 2008-03-26  Tom Tromey  <tromey@redhat.com>
420
421         * Makefile.in (build/gensupport.o, build/print-rtl.o,
422         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
423         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
424         build/gencodes.o, build/genconditions.o, build/genconfig.o,
425         build/genconstants.o, build/genemit.o, build/genextract.o,
426         build/genflags.o, build/genmddeps.o, build/genopinit.o,
427         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
428         options.h.
429
430 2008-03-26  Richard Guenther  <rguenther@suse.de>
431
432         Revert
433         2008-03-26  Richard Guenther  <rguenther@suse.de>
434
435         * fold-const.c (target.h): Include.
436         (fold_comparison): Fold comparison of addresses of two decls
437         that bind locally.  Consolidate address folding code.
438
439 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
440
441         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
442         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
443         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
444         dconstsqrt2, dconstthird, dconste and/or dconst10.
445         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
446         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
447         dconstsqrt2, dconste): Delete.
448         (init_emit_once): Likewise.  Simplify initializing dconstm1.
449         Constify variable.
450         * real.c (get_real_const): New.
451         * real.h (dconst3, dconst10, dconstm2, dconstthird,
452         dconstsqrt2, dconste): Delete.
453         (real_value_const, get_real_const): New.
454
455 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
456
457         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
458
459         * config/i386/i386.c (ix86_function_arg_boundary): Check
460         BIGGEST_ALIGNMENT instead of 128.
461         (setup_incoming_varargs_64): Likewise.
462
463 2008-03-26  Tom Tromey  <tromey@redhat.com>
464
465         * Makefile.in (DEPFILES): Add missing '/'.
466
467 2008-03-26  Richard Guenther  <rguenther@suse.de>
468
469         * fold-const.c (target.h): Include.
470         (fold_comparison): Fold comparison of addresses of two decls
471         that bind locally.  Consolidate address folding code.
472
473 2008-03-26  Nick Clifton  <nickc@redhat.com>
474
475         PR target/31232
476         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
477         not allow INT+INT as a legitimate addressing mode.
478
479 2008-03-26  Richard Guenther  <rguenther@suse.de>
480
481         * tree-flow.h (widen_bitfield): Remove declaration.
482         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
483         (widen_bitfield): Remove function.
484         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
485         code.
486
487 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
488
489         PR target/31558
490         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
491         error_mark_node's.
492
493 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
494
495         PR rtl-optimization/35232
496         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
497         (forget_old_reloads_1, forget_marked_reloads): Don't clear
498         reg_reloaded_call_part_clobbered here.
499         (reload_regs_reach_end_p): New function.
500         (reload_reg_rtx_for_input): New variable.
501         (reload_reg_rtx_for_output): Likewise.
502         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
503         when reassigning a pseudo register.  Load reloadreg from 
504         reload_reg_rtx_for_input, moving the mode and register
505         calculation to...
506         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
507         instead of the original when deciding whether an input reload
508         would be a no-op or whether an output reload can be deleted.
509         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
510         when setting up new_spill_reg_store.  Load it from
511         reload_reg_rtx_for_output, moving the mode and register
512         calculation to...
513         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
514         instead of the original when deciding whether an output reload
515         would be a no-op.  Do the same when modifying insn notes.
516         Use rtx_equal_p instead of == to compare the registers.
517         (inherit_piecemeal_p): Take a mode and two register numbers
518         as argument.
519         (emit_reload_insns): Clear new_spill_reg_store for every hard
520         register in the reload register.  Remove spill registers
521         from reg_reloaded_valid before considering whether to record
522         inheritance information for them.  Use reload_reg_rtx_for_output
523         instead of reg_rtx when recording output reloads.  Use
524         reload_reg_rtx_for_input instead of reg_rtx when recording
525         input reloads.  Set or clear reg_reloaded_call_part_clobbered
526         at the same time as setting reg_reloaded_valid.
527         (delete_output_reload): Add a new_reload_reg parameter and use it
528         instead of rld[j].reg_rtx.
529         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
530         calls accordingly.
531
532 2008-03-25  Tom Tromey  <tromey@redhat.com>
533
534         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
535         (build/genattr.o): Likewise.
536         (build/genattrtab.o): Likewise.
537         (build/gencodes.o): Likewise.
538         (build/genconfig.o): Likewise.
539         (build/genconstants.o): Likewise.
540         (build/genemit.o): Likewise.
541         (build/genextract.o): Likewise.
542         (build/genflags.o): Likewise.
543
544 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
545         
546         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
547         instead of size_int for integer types.
548         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
549         to match type of MINUS_EXPR.
550         
551 2008-03-25  Tom Tromey  <tromey@redhat.com>
552
553         * configure: Rebuilt.
554         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
555         Makefile.
556
557 2008-03-25  Tom Tromey  <tromey@redhat.com>
558
559         * config/x-solaris (host-solaris.o): Update.
560         * config/x-linux (host-linux.o): Update.
561         * config/x-hpux (host-hpux.o): Update.
562         * config/x-darwin (host-darwin.o): Update.
563         * config/v850/t-v850e (v850-c.o): Update.
564         * config/v850/t-v850 (v850-c.o): Update.
565         * config/t-vxworks (vxworks.o): Update.
566         * config/t-sol2 (sol2-c.o, sol2.o): Update.
567         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
568         * config/spu/t-spu-elf (spu-c.o): Update.
569         (spu.o): Remove.
570         * config/sh/t-symbian (sh-c.o): Update.
571         (symbian.o): Update.
572         * config/sh/t-sh (sh-c.o): Update.
573         * config/score/t-score-elf (score7.o, score3.o): Update.
574         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
575         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
576         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
577         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
578         (rs6000.o): Remove.
579         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
580         * config/m32c/t-m32c (m32c-pragma.o): Update.
581         * config/ia64/t-ia64 (ia64-c.o): Update.
582         * config/i386/x-mingw32 (host-mingw32.o): Update.
583         * config/i386/x-i386 (driver-i386.o): Update.
584         * config/i386/x-darwin (host-i386-darwin.o): Update.
585         * config/i386/x-cygwin (host-cygwin.o): Update.
586         * config/i386/t-nwld (nwld.o): Update.
587         * config/i386/t-netware (netware.o): Update.
588         * config/i386/t-interix (winnt.o): Update.
589         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
590         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
591         msformat-c.o): Update.
592         * config/bfin/t-bfin-linux (generated_files): Add
593         linux-sysroot-suffix.h.
594         * config/arm/t-wince-pe (pe.o): Update.
595         * config/arm/t-strongarm-pe (pe.o): Update.
596         * config/arm/t-pe (pe.o): Update.
597         * config/arm/t-arm (arm-c.o): Update.
598         * doc/install.texi (Prerequisites): Require make 3.80.
599         * Makefile.in: Remove .o targets.
600         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
601         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
602         (simple_generated_h, simple_generated_c): Move earlier.
603         (generated_files): New variable.
604         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
605         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
606         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
607         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
608         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
609         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
610         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
611         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
612         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
613         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
614         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
615         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
616         (.c.o): Remove.
617         (COMPILE.base, COMPILE): New variables.
618         (%.o): New pattern rule.
619         (ALL_HOST_OBJS): New variable.
620         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
621         (dummy-checksum.o, cc1-checksum.o): Remove.
622         (DRIVER_SHLIB): New variable.
623         (DRIVER_DEFINES): Use it.
624         (gencondmd.c): Move out of build/.
625         (s-conditions): Update.
626         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
627         (ALL_BUILD_OBJS): Likewise.
628         (build/%.o): Use BUILDCOMPILE.
629         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
630         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
631         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
632         build/gencheck.o, build/gencodes.o, build/genconditions.o,
633         build/genconfig.o, build/genconstants.o, build/genemit.o,
634         build/genextract.o, build/genflags.o, build/genmddeps.o,
635         build/genopinit.o, build/genoutput.o, build/genpeep.o,
636         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
637         build/gen-protos.o, build/scan.o, build/fix-header.o,
638         build/scan-decls.o): Simplify.
639         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
640         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
641         prefix.o, toplev.o): Reduce to variable setting.
642         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
643         ($(out_object_file), gcc-options.o): New targets.
644         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
645         * configure: Rebuilt.
646         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
647         * doc/sourcebuild.texi (Front End Directory): Document new variable.
648
649 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
650
651         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
652         complain when we hit an error, return ERROR_MARK_NODE.
653
654 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
655
656         * config/sh/constraints.md (Pso, Psz): New constraints.
657         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
658         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
659
660 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
661
662         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
663         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
664
665 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
666
667         * config/sh/sh.md (prefetch): Add condition for SH2A target.
668         (prefetch_sh2a): New.   
669
670 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
671             Naveen.H.S  <naveen.hs@kpitcummins.com>
672
673         * config/sh/constraints.md (I28): New constraint.
674         * config/sh/sh.c (broken_move): Add support for movi20s.
675         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
676
677 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
678             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
679             Naveen.H.S  <naveen.hs@kpitcummins.com>
680
681         * config/sh/sh.c (SH_ATTRIBUTES): Define.
682         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
683         (print_operand): Handle resbank in %@ operand code.
684         (sh_encode_section_info): New.
685         (push_regs): Add conditions for resbank.
686         (sh_expand_epilogue): Likewise.
687         (sh_insert_attributes): Likewise.
688         (sh_attribute_table): Likewise.
689         (sh_handle_resbank_handler_attribute): New.
690         (sh2a_handle_function_vector_handler_attribute): New.
691         (sh2a_is_function_vector_call): New.
692         (sh2a_get_function_vector_number): New.
693         (sh2a_function_vector_p): New.
694         (sh_cfun_resbank_handler_p): New.
695         * config/sh/sh.md (calli): Emit jsr/n if possible.
696         (calli_tbr_rel): New.
697         (calli_pcrel): Emit jsr/n if possible.
698         (return_i): Emit rts/n if possible.
699         (call_valuei_tbr_rel): New.
700         (call_valuei_pcrel): Add condition for SH2A target.
701         (call_value): Likewise.
702         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
703         (sh2a_get_function_vector_number): Likewise.
704         (sh2a_is_function_vector_call): Likewise.
705         * doc/extend.texi: Document TBR relative addressing of SH2A.
706         (resbank): Add description for SH2A.
707
708 2008-03-24  Richard Guenther  <rguenther@suse.de>
709
710         PR c/22371
711         * gimplify.c (gimplify_modify_expr): For frontend type-correct
712         pointer assignments change conversions according to middle-end rules.
713         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
714         * configure.ac: Include type checking in yes.
715         * configure: Regenerate.
716
717 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
718
719         * diagnostic.c (diagnostic_count_diagnostic): Delete.
720         (diagnostic_report_diagnostic): Update. Handle ICEs here.
721         
722 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
723
724         * gthr-vxworks.h (UNUSED): Define.
725
726 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
727
728         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
729
730 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
731
732         * doc/extend.texi (Function Attributes): Add missing comma in the
733         example of the "alloc_size" attribute.
734         
735 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
736
737         Revert:
738         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
739
740         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
741         32bit host.
742
743         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
744
745         PR target/35496
746         * stor-layout.c (update_alignment_for_field): Set minimum alignment
747         of the underlying type of a MS bitfield layout to the natural
748         alignment of the type.
749
750         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
751
752         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
753         to their natural alignment to avoid store forwarding stalls.
754
755 2008-03-22  Richard Guenther  <rguenther@suse.de>
756
757         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
758         For PHI nodes verify the address is invariant.
759         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
760         (get_symbol_constant_value): Use is_gimple_min_invariant.
761         (maybe_fold_stmt_indirect): Likewise.
762
763 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
764
765         PR rtl-optimization/33927
766         * Makefile.in (dse.o): Depend on $(TM_P_H).
767         * expr.h (extract_low_bits): Declare.
768         * expmed.c (extract_low_bits): New function.
769         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
770         * dse.c: Include tm_p.h.
771         (find_shift_sequence): Remove the read_reg argument and return the
772         read value.  Emit the instructions instead of returning them.
773         Iterate on new_mode rather than calculating it each time.
774         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
775         source to NEW_MODE and extract_low_bits to convert the shifted
776         value to READ_MODE.
777         (replace_read): Allow the load and store to have different mode
778         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
779         or extraction instructions before trying the replacement.  Update
780         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
781
782 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
783
784         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
785         to their natural alignment to avoid store forwarding stalls.
786
787 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
788
789         PR target/27946
790         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
791         encouraging but not allowing gprs for input;
792         change the input constraint to !f#r.
793         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
794         gprs for output;
795         change the output constraint to !f#r.
796
797 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
798
799         PR target/13958
800         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
801         corresponding post-reload splitters.
802         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
803         when x87 FP math is selected.
804         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
805         New function prototype.
806         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
807         unreachable function to ease macroization of insn patterns.
808
809 2008-03-21  Martin Jambor  <mjambor@suse.cz>
810
811         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
812         reference dumps if ddr is NULL or dependence is unknown.
813
814 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
815
816         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
817         unsigned extension into account.
818         (ATOMIC_COMPARE_AND_SWAP): Likewise.
819         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
820         Do computations on a scratch register.
821
822 2008-03-21  Richard Guenther  <rguenther@suse.de>
823
824         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
825         Use is_gimple_min_invariant instead of TREE_INVARIANT.
826         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
827         * tree-ssa-dom.c (record_equality): Likewise.
828         * tree-inline.c (copy_body_r): Likewise.
829         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
830         TREE_INVARIANT.
831
832 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
833
834         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
835         as 'delete_unused' argument.
836
837 2008-03-20  Richard Guenther  <rguenther@suse.de>
838
839         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
840         special casing of constant qualifiers.
841         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
842         care about them in general.
843         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
844         regardless of their type.
845         (fold_stmt_r): Forcefully fold *& if we end up with that.
846
847 2008-03-20  Paul Brook  <paul@codesourcery.com>
848
849         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
850         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
851         linker flags.
852         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
853         definition.
854         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
855         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
856
857 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
858
859         * common.opt (Wmudflap): New option.
860         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
861         (mx_register_decls): Likewise.
862         (mudflap_finish_file): Likewise.
863         * doc/invoke.texi: Document -Wno-mudflap.
864
865 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
866
867         * c-format.c (replace_format_name_to_system_name): New.
868         (cmp_attribs): New.
869         (convert_format_name_to_system_name): New.
870         (decode_format_attr): Add use of convert_format_name_to_system_name.
871         (format_types_orig): Add gnu_ prefix to names.
872         (check_format_info_main): Special treating of \0 escaped names for
873         supporting multi-character format specifiers as I32, I64.
874         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
875         (gnu_target_overrides_format_attributes): New.
876         * c-format.h: Add structure target_ovr_attr to hold
877         system specific formatter names.
878         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
879         msformat-c.o file to c_target_objs and cxx_target_objs.
880         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
881         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
882         (TARGET_N_FORMAT_TYPES): New.
883         * config/i386/msformat-c.c: New.
884         * config/i386/t-cygming: Add build rule for msformat-c.o.
885         * doc/extend.texi: Add new format names gnu_* and ms_* and
886         further details.
887         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
888
889 2008-03-20  Ira Rosen  <irar@il.ibm.com>
890
891         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
892         optimizations turned on under -O3.
893         (ftree-vectorize): Add that the flag is turned on with -O3.
894
895 2008-03-20  Ben Elliston  <bje@au.ibm.com>
896
897         * regmove.c (try_auto_increment): Fix spelling error in comment.
898         * final.c (final_scan_insn): Likewise.
899
900 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
901
902         PR target/14552
903         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
904         allocator preferences for "y" and "r" class registers.
905         ("*mov<mode>_internal"): Ditto.
906         ("*movv2sf_internal_rex64"): Ditto.
907         ("*movv2sf_internal"): Ditto.
908
909 2008-03-19  Michael Matz  <matz@suse.de>
910
911         PR middle-end/35616
912         * calls.c (expand_call): Check overlap of arguments with call
913         address for sibcalls.
914
915 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
916
917         PR target/35496
918         * stor-layout.c (update_alignment_for_field): Set minimum alignment
919         of the underlying type of a MS bitfield layout to the natural
920         alignment of the type.
921
922 2008-03-19  Jan Hubicka  <jh@suse.cz>
923
924         PR other/35094
925         * toplev.c (decode_d_option): Handle all CPP flags.
926         * tree-vrp.c: Update tree_pass descriptors.
927         * regrename.c: Update tree_pass descriptors.
928         * fwprop.c: Update tree_pass descriptors.
929         * doc/invoke.texi: Remove documentation of dropped -d? flags.
930         * tree-into-ssa.c: Update tree_pass descriptors.
931         * tree-dump.c: Update tree_pass descriptors.
932         * tree-complex.c: Update tree_pass descriptors.
933         * tree-dump.h: Update tree_pass descriptors.
934         * see.c: Update tree_pass descriptors.
935         * cgraphbuild.c: Update tree_pass descriptors.
936         * tracer.c: Update tree_pass descriptors.
937         * tree-loop-distribution.c: Update tree_pass descriptors.
938         * cgraph.c: Update tree_pass descriptors.
939         * postreload-gcse.c: Update tree_pass descriptors.
940         * postreload.c: Update tree_pass descriptors.
941         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
942         * tree-tailcall.c: Update tree_pass descriptors.
943         * tree-pass.h (tree_opt_pass): Rename to ...
944         (opt_pass) ... this one; add "type" field and remove letter field.
945         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
946         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
947         all_lowering_passes): Update declaration.
948         * ipa-cp.c: Update tree_pass descriptors.
949         * final.c: Update tree_pass descriptors.
950         * omp-low.c: Update tree_pass descriptors.
951         * tree-ssa-dse.c: Update tree_pass descriptors.
952         * ipa-reference.c: Update tree_pass descriptors.
953         * tree-ssa-uncprop.c: Update tree_pass descriptors.
954         * auto-inc-dec.c: Update tree_pass descriptors.
955         * reorg.c: Update tree_pass descriptors.
956         * cgraphunit.c: Update tree_pass descriptors.
957         * tree-ssa-copyrename.c: Update tree_pass descriptors.
958         * tree-ssa-ccp.c: Update tree_pass descriptors.
959         * df-core.c: Update tree_pass descriptors.
960         * mode-switching.c: Update tree_pass descriptors.
961         * tree-nomudflap.c: Update tree_pass descriptors.
962         * modulo-sched.c: Update tree_pass descriptors.
963         * ipa-pure-const.c: Update tree_pass descriptors.
964         * cse.c: Update tree_pass descriptors.
965         * web.c: Update tree_pass descriptors.
966         * tree-stdarg.c: Update tree_pass descriptors.
967         * tree-ssa-math-opts.c: Update tree_pass descriptors.
968         * tree-ssa-dom.c: Update tree_pass descriptors.
969         * tree-nrv.c: Update tree_pass descriptors.
970         * tree-ssa-alias.c: Update tree_pass descriptors.
971         * loop-init.c: Update tree_pass descriptors.
972         * gimple-low.c: Update tree_pass descriptors.
973         * ipa-inline.c: Update tree_pass descriptors.
974         * tree-ssa-sink.c: Update tree_pass descriptors.
975         * global.c: Update tree_pass descriptors.
976         * ifcvt.c: Update tree_pass descriptors.
977         * jump.c: Update tree_pass descriptors.
978         * predict.c: Update tree_pass descriptors.
979         * tree-ssa-loop.c: Update tree_pass descriptors.
980         * recog.c: Update tree_pass descriptors.
981         * dse.c: Update tree_pass descriptors.
982         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
983         * tree-eh.c: Update tree_pass descriptors.
984         * regmove.c: Update tree_pass descriptors.
985         * local-alloc.c
986         * function.c: Update tree_pass descriptors.
987         * tree-vectorizer.c: Update tree_pass descriptors.
988         * gcse.c: Update tree_pass descriptors.
989         * ipa-type-escape.c: Update tree_pass descriptors.
990         * tree-if-conv.c: Update tree_pass descriptors.
991         * init-regs.c: Update tree_pass descriptors.
992         * ipa.c: Update tree_pass descriptors.
993         * tree-ssa-phiopt.c: Update tree_pass descriptors.
994         * rtl-factoring.c: Update tree_pass descriptors.
995         * lower-subreg.c: Update tree_pass descriptors.
996         * bt-load.c: Update tree_pass descriptors.
997         * tree-dfa.c: Update tree_pass descriptors.
998         * except.c: Update tree_pass descriptors.
999         * emit-rtl.c: Update tree_pass descriptors.
1000         * cfgexpand.c: Update tree_pass descriptors.
1001         * tree-cfgcleanup.c: Update tree_pass descriptors.
1002         * cfgcleanup.c: Update tree_pass descriptors.
1003         * tree-ssa-pre.c: Update tree_pass descriptors.
1004         * tree-sra.c: Update tree_pass descriptors.
1005         * tree-mudflap.c: Update tree_pass descriptors.
1006         * tree-ssa-copy.c: Update tree_pass descriptors.
1007         * cfglayout.c: Update tree_pass descriptors.
1008         * tree-ssa-forwprop.c: Update tree_pass descriptors.
1009         * tree-ssa-dce.c: Update tree_pass descriptors.
1010         * tree-ssa.c: Update tree_pass descriptors.
1011         * regclass.c: Update tree_pass descriptors.
1012         * integrate.c: Update tree_pass descriptors.
1013         * tree-optimize.c: Update tree_pass descriptors.
1014         * tree-ssa-phiprop.c: Update tree_pass descriptors.
1015         * tree-object-size.c: Update tree_pass descriptors.
1016         * combine.c: Update tree_pass descriptors.
1017         * tree-outof-ssa.c: Update tree_pass descriptors.
1018         * bb-reorder.c: Update tree_pass descriptors.
1019         * stack-ptr-mod.c: Update tree_pass descriptors.
1020         * var-tracking.c: Update tree_pass descriptors.
1021         * tree-profile.c: Update tree_pass descriptors.
1022         * tree-vect-generic.c: Update tree_pass descriptors.
1023         * reg-stack.c: Update tree_pass descriptors.
1024         * sched-rgn.c: Update tree_pass descriptors.
1025         * tree-ssa-structalias.c: Update tree_pass descriptors.
1026         * tree-cfg.c: Update tree_pass descriptors.
1027         * passes.c (current_pass): Update declaration.
1028         (finish_optimization_passes): Update.
1029         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
1030         (register_one_dump_file, register_dump_files_1, next_pass_1):
1031         Update arguments.
1032         (init_optimization_passes): Update handling of new types.
1033         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
1034         * ipa-struct-reorg.c: Update tree_pass descriptors.
1035         * tree-ssa-reassoc.c: Update tree_pass descriptors.
1036         * combine-stack-adj.c: Update tree_pass descriptors.
1037         * cfgrtl.c: Update tree_pass descriptors.
1038         * dce.c: Update tree_pass descriptors.
1039         * tree-ssanames.c: Update tree_pass descriptors.
1040
1041 2008-03-19  Richard Guenther  <rguenther@suse.de>
1042
1043         PR middle-end/35609
1044         * tree-ssa.c (walk_data): New structure.
1045         (warn_uninitialized_var): If not always_executed warn with "maybe"
1046         instead of "is".
1047         (execute_early_warn_uninitialized): Compute post-dominators.
1048         Initialize always_executed before processing each basic block.
1049
1050 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
1051
1052         PR target/35504
1053         * config/i386/i386.c (x86_this_parameter): Calculate correct location
1054         of "this" pointer when "regparm = N" or "fastcall" is in effect.
1055
1056 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1057
1058         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
1059
1060 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
1061
1062         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
1063         is true.
1064         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
1065         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
1066         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
1067         target after ignore has been set, and move there also the commputation
1068         of subtarget and original_target.
1069         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
1070         (LANG_HOOKS_INITIALIZER): Remove it.
1071         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
1072
1073 2008-03-18  Richard Guenther  <rguenther@suse.de>
1074
1075         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1076         found an expression with constants, note that in the VN for the lhs.
1077         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1078         fold them to constants if possible.  Run cleanup_cfg if done so.
1079         (execute_pre): Return todo.
1080         (do_pre): Likewise.
1081         (execute_fre): Likewise.
1082         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1083         of constants.
1084         (get_prop_source_stmt): Look through pointer conversions.
1085
1086 2008-03-18  Jan Hubicka  <jh@suse.cz>
1087
1088         * tree-pretty-print.c: Include predict.h.
1089         (dump_generic_node): Dump predictor.
1090         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1091         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1092         * gimple-low.c (lower_stmt): Likewise.
1093         * expr.c (expand_expr_real): Likewise.
1094         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1095         them.
1096         (build_predict_expr, build_predict_expr): New.
1097         * predict.h (predictor_name, build_predict_expr): Update.
1098         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1099         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1100         * predict.def (PRED_CONTINUE): Update hitrate.
1101         * tree.def (PREDICT_EXPR): Define.
1102         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1103         do not handle BIND_EXPR.
1104         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1105         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1106         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1107         operands.
1108
1109 2008-03-18  Michael Matz  <matz@suse.de>
1110
1111         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1112
1113 2008-03-18  Richard Guenther  <rguenther@suse.de>
1114
1115         * tree-gimple.h (is_gimple_invariant_address): Declare.
1116         (is_gimple_constant): Likewise.
1117         * tree-gimple.c (is_gimple_constant): New function.
1118         (is_gimple_invariant_address): Likewise.
1119         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1120         and is_gimple_invariant_address.
1121         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1122         previous change.
1123         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1124         an addressable base.
1125
1126 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1127
1128         PR middle-end/35611
1129         * gimplify.c (gimplify_expr): Gimplify second operand of
1130         OMP_ATOMIC_LOAD.
1131
1132 2008-03-17  Richard Guenther  <rguenther@suse.de>
1133
1134         PR tree-optimization/19637
1135         * fold-const.c (fold_unary): Remove restrictions of removing
1136         intermediate pointer-conversions (P2)(P1)P0.
1137         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1138         conversion to void pointer.
1139         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1140
1141 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1142
1143         PR debug/31510
1144         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1145         emulated thread local variables.
1146
1147 2008-03-16  Richard Guenther  <rguenther@suse.de>
1148
1149         PR middle-end/35607
1150         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1151         expand TREE_INVARIANT operations that are not gimple invariant.
1152
1153 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1154
1155         * doc/extend.texi (Alignment): Say that the ABI controls
1156         the __alignof__ for non-strict-alignment targets rather
1157         than being a recommendation.
1158
1159 2008-03-15  Paul Brook  <paul@codesourcery.com>
1160
1161         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1162         annotations.
1163         (arm_output_fn_unwind): Mark functions that can not be unwound.
1164
1165 2008-03-15  Paul Brook  <paul@codesourcery.com>
1166
1167         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1168         extension instructions.
1169
1170 2008-03-15  Richard Guenther  <rguenther@suse.de>
1171
1172         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1173         and fold constant aggregate refs.
1174         (fold_const_aggregate_ref): Handle string constants
1175         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1176         (evaluate_stmt): Simplify now that ccp_fold folds constant
1177         aggregate refs.
1178
1179 2008-03-15  Paul Brook  <paul@codesourcery.com>
1180
1181         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1182         (extzv): Use gen_extzv_t2.
1183         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1184
1185 2008-03-15  Richard Guenther  <rguenther@suse.de>
1186
1187         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1188         (fold_const_aggregate_ref): Likewise.
1189         (get_value): Return NULL if we don't have any values.
1190         (ccp_finalize): Set const_val to NULL after freeing it.
1191         * tree-flow.h (get_symbol_constant_value): Declare.
1192         (fold_const_aggregate_ref): Likewise.
1193         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1194
1195 2008-03-15  Richard Guenther  <rguenther@suse.de>
1196
1197         PR middle-end/35593
1198         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1199         to not produce negative array indices if not allowed.  Add
1200         parameter to indicate that.
1201         (maybe_fold_offset_to_component_ref): Allow negative array
1202         indices only for the first member of a structure.
1203         (maybe_fold_offset_to_reference): Allow negative array indices.
1204         (maybe_fold_stmt_addition): Likewise.
1205
1206 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1207             Anatoly Sokolov <aesok@post.ru>
1208
1209         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1210         (avr_arch): Add ARCH_AVR6.
1211         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1212         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1213         instead of fixed value 2.
1214         (print_operand_address): Use gs() asm specifier instead of pm().
1215         (avr_assemble_integer): (Ditto.).
1216         (avr_output_addr_vec_elt): (Ditto.).
1217         (print_operand): Handle "!" code.
1218         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1219         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1220         (AVR_HAVE_EIJMP_EICALL): Define.
1221         (AVR_3_BYTE_PC): Redefine.
1222         (AVR_2_BYTE_PC): (Ditto.).
1223         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1224         (LINK_SPEC): Add atmega2560 and atmega2561.
1225         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1226         (crtm2561.o).
1227         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1228         for 3 byte PC devices.
1229         (call_value_insn): (Ditto.).
1230         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1231         (indirect_jump): Use only for for 2 byte PC devices.
1232         (*tablejump): (Ditto.).
1233         (*indirect_jump_avr6): Add insn.
1234         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1235         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1236         instead of ijmp for 3 byte PC devices.
1237         (__tablejump2__): (Ditto.).
1238         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1239         (MULITLIB_DIRNAMES): (Ditto.). 
1240         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1241
1242 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1243
1244         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1245         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1246         ("mmx_psadbw"): Use V1DI mode for operand 0.
1247         * config/i386/i386-modes.def (V1SI): New vector mode.
1248         * config/i386/i386.c (struct builtin_description)
1249         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1250         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1251         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1252         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1253         v1di_ftype_v8qi_v8qi type.
1254         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1255
1256         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1257         __builtin_ia32_pmuludq]: Fix the mode of return value.
1258
1259 2008-03-15  Richard Guenther  <rguenther@suse.de>
1260
1261         PR middle-end/35595
1262         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1263         being a PHI_NODE.
1264
1265 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1266         
1267         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1268         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1269         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1270         unless TARGET_SERIALIZE_VOLATILE is enabled.
1271         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1272         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1273         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1274
1275 2008-03-14  Richard Guenther  <rguenther@suse.de>
1276
1277         PR tree-optimization/34172
1278         * tree-flow.h (refs_may_alias_p): Declare.
1279         (get_single_def_stmt): Likewise.
1280         (get_single_def_stmt_from_phi): Likewise.
1281         (get_single_def_stmt_with_phi): Likewise.
1282         * tree-dfa.c (refs_may_alias_p): New function.
1283         (get_single_def_stmt): Likewise.
1284         (get_single_def_stmt_from_phi): Likewise.
1285         (get_single_def_stmt_with_phi): Likewise.
1286         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1287         (vn_reference_lookup_1): New helper function.
1288         (vn_reference_lookup): Walk the virtual use-def chain to
1289         continue searching for a match if the def does not alias the
1290         reference we are looking for.
1291
1292 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1293
1294         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1295         archive and Perzl.  Update The Written Word listing.
1296
1297 2008-03-14  Richard Guenther  <rguenther@suse.de>
1298
1299         PR tree-optimization/34043
1300         PR tree-optimization/33989
1301         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1302         when doing FRE.
1303         (bitmap_find_leader): Use extra argument to verify dominance
1304         relationship inside a basic-block.
1305         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1306         (find_leader_in_sets): Adjust.
1307         (create_component_ref_by_pieces): Take extra argument for
1308         dominance check, handle lookup failures.
1309         (find_or_generate_expression): Likewise.
1310         (create_expression_by_pieces): Likewise.
1311         (insert_into_preds_of_block): Adjust.
1312         (create_value_expr_from): If asked for, verify all operands
1313         are in the blocks AVAIL_OUT set.
1314         (make_values_for_stmt): Check for SSA_NAMEs that are life
1315         over an abnormal edge.
1316         (compute_avail): Remove such check.
1317         (do_SCCVN_insertion): New function.
1318         (eliminate): If we do not find a leader suitable for replacement
1319         insert a replacement expression from SCCVN if available.
1320         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1321         (struct vn_ssa_aux): Add needs_insertion flag.
1322         * tree-ssa-sccvn.c (may_insert): New global flag.
1323         (copy_reference_ops_from_ref): Value-number union member access
1324         based on its size, not type and member if insertion is allowed.
1325         (visit_reference_op_load): For a weak match from union type
1326         punning lookup a view-converted value and insert a SSA_NAME
1327         for that value if that is not found.
1328         (visit_use): Make dumps shorter.  Do not disallow value numbering
1329         SSA_NAMEs that are life over an abnormal edge to constants.
1330         (free_scc_vn): Release inserted SSA_NAMEs.
1331         (run_scc_vn): New flag to specify whether insertion is allowed.
1332         Process SSA_NAMEs in forward order.
1333         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1334         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1335         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1336         pointer type to/from integral types that do not change the
1337         precision to regular conversions.
1338
1339 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1340
1341         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1342         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1343         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1344         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1345         input arguments and the mode of return value.  Built-in functions
1346         that operate on whole 64-bit MMX register now use V1DI mode.
1347
1348 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1349             Olga Golovanevsky  <olga@il.ibm.com>
1350
1351         PR tree-optimization/35041
1352         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1353         to locate the right position in a statement.
1354
1355 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1356
1357         PR target/34000
1358         PR target/35553
1359         * config/i386/xmmintrin.h:  Change all static inline functions to
1360         extern inline and add __gnu_inline__ attribute.
1361         * config/i386/bmintrin.h: Ditto.
1362         * config/i386/smmintrin.h: Ditto.
1363         * config/i386/tmmintrin.h: Ditto.
1364         * config/i386/mmintrin-common.h: Ditto.
1365         * config/i386/ammintrin.h: Ditto.
1366         * config/i386/emmintrin.h: Ditto.
1367         * config/i386/pmmintrin.h: Ditto.
1368         * config/i386/mmintrin.h: Ditto.
1369         * config/i386/mm3dnow.h: Ditto.
1370
1371 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR middle-end/35185
1374         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1375         (lower_omp_2): New function.
1376         (lower_omp_1, lower_omp): Rewritten.
1377
1378 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1379
1380         PR 35054
1381         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1382         with the phrase "Microsoft Windows compilers".
1383         (Push/Pop Macro Pragmas): New subsection. Document
1384         #pragma push_macro and pragma pop_macro.
1385
1386 2008-03-12  Paul Brook  <paul@codesourcery.com>
1387
1388         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1389
1390 2008-03-12  Paul Brook  <paul@codesourcery.com>
1391
1392         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1393         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1394         (thumb2_addsi_shortim): Rename ...
1395         (thumb2_addsi_short): ... to this.  Allow register operands.
1396         (thumb2_subsi_short): New pattern.
1397         (thumb2_one_cmplsi2_short,
1398         thumb2_negsi2_short): New patterns and peepholes.
1399
1400 2008-03-12  Paul Brook  <paul@codesourcery.com>
1401
1402         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1403
1404 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1405
1406         * config/i386/i386.md (int_cond): New code iterator.
1407         (fp_cond): Ditto.
1408         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1409         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1410         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1411         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1412         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1413         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1414         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1415         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1416
1417 2008-03-12  Paul Brook  <paul@codesourcery.com>
1418
1419         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1420         instead of {arm,thumb}_compute_save_reg_mask.
1421         (output_return_instruction): Ditto.
1422         (thumb_unexpanded_epilogue): Ditto.
1423         (thumb1_expand_prologue): Ditto.
1424         (thumb1_output_function_prologue): Ditto.
1425         (arm_set_return_address): Ditto.
1426         (thumb_set_return_address): Ditto.
1427         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1428         regs to achieve stack alignment.
1429         (thumb1_compute_save_reg_mask): Fix compiler warning.
1430         (arm_output_epilogue): Use offsets->saved_regs_mask.
1431         Adjust stack pointer by poping call clobered registers.
1432         (arm_expand_prologue): Use offsets->saved_regs_mask.
1433         Adjust stack pointer by pushing extra registers.
1434         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1435
1436 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1437
1438         PR tree-opt/35422
1439         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1440         conversion to the operands of a multiplication.
1441
1442 2008-03-12  Richard Guenther  <rguenther@suse.de>
1443
1444         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1445         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1446         * timevar.def (TV_TREE_PHIPROP): Add.
1447         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1448         pass description.  Use TV_TREE_PHIPROP.
1449         * tree-ssa-forwprop.c: Remove phiprop code.
1450
1451 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1452
1453         PR middle-end/35549
1454         * omp-low.c (maybe_lookup_decl): Constify first argument.
1455         (use_pointer_for_field): Change last argument from bool to
1456         omp_context *.  Disallow shared copy-in/out in nested
1457         parallel if decl is shared in outer parallel too.
1458         (build_outer_var_ref, scan_sharing_clauses,
1459         lower_rec_input_clauses, lower_copyprivate_clauses,
1460         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1461
1462 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1463             Ira Rosen  <irar@il.ibm.com>
1464
1465         * tree-vectorizer.c (free_stmt_vec_info): New function.
1466         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1467         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1468         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1469         * tree-vect-transform.c (vectorizable_conversion): Free
1470         vec_oprnds0 if it was allocated.
1471         (vect_permute_store_chain): Remove unused VECs.
1472         (vectorizable_store): Free VECs that are allocated in the..
1473         function.
1474         (vect_transform_strided_load, vectorizable_load): Likewise.
1475         (vect_remove_stores): Simplify the code.
1476         (vect_transform_loop): Move code to vect_remove_stores().
1477         Call vect_remove_stores() and free_stmt_vec_info().
1478
1479 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1480
1481         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1482         TARGET_HPUX.  Revise comment.
1483         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1484         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1485         Use sr4 variant of `be' instruction when not generating PIC code.
1486         (attr_length_call): Adjust for above change.
1487
1488 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1489
1490         * ipa-reference.c (static_execute): Remove module_statics_const and
1491         associated setting code.
1492
1493 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1494
1495         PR target/35540
1496         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1497         predicate for operand 1.
1498         (paritysi2_cmp): Use register_operand predicate for operand 2.
1499         Use earlyclobber modifier for operand 1.  Remove support for
1500         memory operands.
1501         (paritydi2_cmp): Use register_operand predicate for operand 3.
1502         Use earlyclobber modifier for operand 1.  Remove support for
1503         memory operands.
1504
1505 2008-03-11  Paul Brook  <paul@codesourcery.com>
1506             Vladimir Prus  <vladimir@codesourcery.com>
1507
1508         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1509         (arm_compute_save_reg0_reg12_mask): Always
1510         check if register 11 must be saved.  Always safe hard frame pointer
1511         when frame_pointer_needeed.
1512         (arm_compute_save_reg_mask): Save IP and PC
1513         only with apcs frames.
1514         (arm_output_epilogue): Adjust Thumb2 codepath to
1515         be also invoked and work for ARM non-apcs frames.
1516         (arm_expand_prologue): Don't bother saving IP
1517         for non-apcs frame, since it's not clobbered by
1518         prologue code.  Implement non-apcs frame
1519         layout.
1520
1521 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1522
1523         PR rtl-optimization/35281
1524         * expr.c (convert_move): Use a new pseudo for the intermediate
1525         from_mode->word_mode result.
1526
1527 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1528
1529         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1530         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1531         * toplev.c (compile_file): Don't call it.
1532
1533 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1534
1535         PR middle-end/35526
1536         * expr.c (store_expr): Call emit_block_move if the mode
1537         of "temp" RTX is BLKmode.
1538
1539 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1540             Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/31358
1543         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1544         the step with a NULL_TREE.
1545         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1546         to sizetype if type is a pointer type.
1547         (add_candidate_1): Don't convert the base and step to
1548         the generic type if the orginal type is a pointer type.
1549         (add_iv_value_candidates): Use sizetype for the step
1550         if type is a pointer type.
1551         (cand_value_at): Likewise.
1552         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1553         for pointer types.
1554         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1555         Don't convert the tem affine to the type.
1556         (add_elt_to_tree): Use sizetype for the step if a pointer.
1557         Use POINTER_PLUS_EXPR for pointers.
1558         (aff_combination_to_tree): Use sizetype for the step if a
1559         pointer.
1560
1561 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1562
1563         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1564         Remove commutativity hint.
1565
1566 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1567
1568         PR c/35438
1569         PR c/35439
1570         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1571         errorneous type.  Check that v is a VAR_DECL.
1572
1573         PR middle-end/35099
1574         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1575
1576 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1577
1578         PR tree-optimization/35494
1579         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1580         may be overriden at link and run time.
1581
1582 2008-03-10  Richard Guenther  <rguenther@suse.de>
1583
1584         PR tree-optimization/34677
1585         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1586         (poolify_tree): Likewise.
1587         (modify_expr_template): Likewise.
1588         (poolify_modify_stmt): Likewise.
1589         (insert_fake_stores): Handle all component-ref style stores
1590         in addition to INDIRECT_REF.  Also handle complex types.
1591         Do not poolify the inserted load.
1592         (realify_fake_stores): Do not rebuild the tree but only
1593         make it a SSA_NAME copy.
1594         (init_pre): Remove initialzation of modify_expr_template.
1595         Do not allocate modify_expr_node_pool.
1596         (fini_pre): Do not free modify_expr_node_pool.
1597
1598 2008-03-10  Paul Brook  <paul@codesourcery.com>
1599
1600         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1601         to avoid conflicts.
1602
1603 2008-03-10  Paul Brook  <paul@codesourcery.com>
1604             Mark Shinwell  <shinwell@codesourcery.com>
1605
1606         * config/arm/cortex-r4.md: New.
1607         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1608         insn attributes.
1609         * config/arm/arm.md: Include cortex-r4.md.
1610         (insn): Add smmls, sdiv and udiv values.
1611         (generic_sched): Don't use generic scheduling for Cortex-R4.
1612         (arm_issue_rate): New function.
1613         (TARGET_SCHED_ISSUE_RATE): Define.
1614
1615 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1616
1617         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1618
1619 2008-03-10  Richard Guenther  <rguenther@suse.de>
1620
1621         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1622         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1623
1624 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1625
1626         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1627         Set default to true.
1628
1629 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1630
1631         * c.opt (Wsynth): Deprecate.
1632         * doc/invoke.texi (Option Summary, Warning Options): Document
1633         -Wno-format-contains-nul.
1634
1635 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1636
1637         PR target/35496
1638         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1639         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1640
1641 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1642
1643         * config/rs6000/rs6000.c (builtin_description): Rename vector
1644         left shift operations.
1645         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1646         (altivec_vsl<VI_char>): Rename to ...
1647         (ashl<mode>3): ... new name.
1648         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1649         gen_ashlv4si3.
1650         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1651
1652 2008-03-08  Richard Guenther  <rguenther@suse.de>
1653
1654         * coverage.h (tree_coverage_counter_addr): Declare.
1655         * coverage.c (tree_coverage_counter_addr): New function.
1656         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1657         before using again.
1658         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1659         (tree_gen_one_value_profiler): Likewise.
1660         (tree_gen_ic_profiler): Likewise.
1661         (tree_gen_average_profiler): Likewise.
1662         (tree_gen_ior_profiler): Likewise.
1663
1664 2008-03-08  Richard Guenther  <rguenther@suse.de>
1665
1666         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1667         (vn_binary_op_insert): Likewise.
1668         (vn_unary_op_lookup): Likewise.
1669         (vn_unary_op_insert): Likewise.
1670         (vn_nary_op_lookup): Declare.
1671         (vn_nary_op_insert): Likewise.
1672         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1673         and binary hashes, use a single obstack for unary_op_pool
1674         and binary_op_pool.
1675         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1676         a single struct vn_nary_op_s.  Store tree code length and
1677         a variable number of operands.
1678         (struct vn_reference_op_struct): Remove unused op2.
1679         (vn_reference_op_eq): Do not compare op2.
1680         (vn_reference_op_compute_hash): Do not compute hash of op2.
1681         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1682         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1683         with vn_nary_op_compute_hash.
1684         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1685         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1686         vn_nary_op_lookup.
1687         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1688         vn_nary_op_insert.
1689         (visit_unary_op): Call nary functions.
1690         (visit_binary_op): Likewise.
1691         (process_scc): Adjust for struct vn_tables_s changes.
1692         (allocate_vn_table): Likewise.
1693         (free_vn_table): Likewise.
1694         * tree-vn.c (vn_add): Call nary functions.
1695         (vn_lookup): Likewise.
1696
1697 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1698
1699         PR target/35498
1700         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1701         wdst back after sync_compare_and_swapqhi_internal.
1702
1703 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1704
1705         PR target/22152
1706         * config/i386/i386-modes.def (V1DI): New vector mode.
1707         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1708         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1709         (MMXMODE248): Ditto.
1710         (MMXMODE): Add V1DI mode.
1711         (mmxvecsize): Change DI mode to V1DI mode.
1712         ("mov<mode>): Use MMXMODEI8 mode iterator.
1713         ("*mov<mode>_internal_rex64"): Ditto.
1714         ("*mov<mode>_internal"): Ditto.
1715         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1716         ("mmx_sub<mode>3"): Ditto.
1717         ("mmx_adddi3"): Remove insn pattern.
1718         ("mmx_subdi3"): Ditto.
1719         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1720         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1721         ("mmx_ashl<mode>3"): Ditto.
1722         ("mmx_lshrdi3"): Remove insn pattern.
1723         ("mmx_ashldi3"): Ditto.
1724         * config/i386/i386.c (classify_argument): Handle V1DImode.
1725         (function_arg_advance_32): Ditto.
1726         (function_arg_32): Ditto.
1727         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1728         mmx_addv1di3 insn pattern.
1729         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1730         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1731         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1732         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1733         Remove definitions of built-in functions.
1734         (V1DI_type_node): New node.
1735         (v1di_ftype_v1di_int): Ditto.
1736         (v1di_ftype_v1di_v1di): Ditto.
1737         (v2si_ftype_v2si_si): Ditto.
1738         (v4hi_ftype_v4hi_di): Remove node.
1739         (v2si_ftype_v2si_di): Ditto.
1740         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1741         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1742         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1743         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1744         Add new builtins using def_builtin_const.
1745         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1746         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1747         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1748         * config/i386/mmintrin.h (__v1di): New typedef.
1749         (_mm_add_si64): Cast arguments to __v1di type.
1750         (_mm_sub_si64): Ditto.
1751         (_mm_sll_pi16): Cast __count to __v4hi type.
1752         (_mm_sll_pi32): Cast __count to __v2si type.
1753         (_mm_sll_si64): Cast arguments to __v1di type.
1754         (_mm_srl_pi16): Cast __count to __v4hi type.
1755         (_mm_srl_pi32): Cast __count to __v2si type.
1756         (_mm_srl_si64): Cast arguments to __v1di type.
1757         (_mm_sra_pi16): Cast __count to __v4hi type.
1758         (_mm_sra_pi32): Cast __count to __v2si type.
1759         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1760         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1761         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1762         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1763         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1764         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1765         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1766         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1767         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1768         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1769         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1770         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1771
1772 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1773
1774         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1775
1776 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1777
1778         PR target/35373
1779         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1780         reg+const addressing for Altivec modes.  Don't generate reg+reg
1781         addressing for TFmode or TDmode quantities.
1782
1783 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1784
1785         * c-common.c (vector_types_convertible_p): Call langhook
1786         instead of comptypes.
1787
1788 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1789
1790         PR tree-opt/35402
1791         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1792         integral and scalar float variables which have a
1793         NULL DECL_INITIAL.
1794
1795 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1796
1797         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1798         dwarf_register_span hook when emitting unwind information for
1799         register-to-memory saves.
1800         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1801         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1802
1803 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1804
1805         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1806         for the same VAR_DECL.
1807
1808 2008-03-06  Tom Tromey  <tromey@redhat.com>
1809
1810         * treelang: Delete.
1811         * doc/standards.texi (Standards): Don't mention treelang.
1812         * doc/invoke.texi (Overall Options): Don't mention treelang.
1813         * doc/install.texi (Prerequisites): Don't mention bison or
1814         treelang.
1815         (Configuration): Don't mention treelang.
1816         (Building): Likewise.
1817         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1818
1819 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1820
1821         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1822         word-extractions out of a multi-word object.
1823
1824 2008-03-06  Richard Guenther  <rguenther@suse.de>
1825
1826         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1827         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1828         result type and precision.
1829         * expr.c (get_inner_reference): Set unsignedp based on the result
1830         type of BIT_FIELD_REF.
1831         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1832         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1833         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1834         for BIT_FIELD_REF.
1835         (sra_build_assignment): Likewise.
1836         (sra_build_elt_assignment): Likewise.
1837         (sra_explode_bitfield_assignment): Likewise.
1838         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1839         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1840         set BIT_FIELD_REF_UNSIGNED.
1841         (vectorizable_load): Likewise.
1842
1843 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1844
1845         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1846         at bb start.
1847
1848 2008-03-06  Richard Guenther  <rguenther@suse.de>
1849
1850         * alias.c (struct alias_set_entry): Move has_zero_child field
1851         to pack with alias_set.
1852
1853 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1854
1855         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1856         32bit host.
1857
1858 2008-03-05  Ian Lance Taylor  <iant@google.com>
1859
1860         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1861
1862 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1863
1864         * fwprop.c (update_df): Support width and offset parameters of
1865         df_ref_create.
1866         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1867         global_conflicts): Change DF_REF_EXTRACT to either
1868         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1869         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1870         * df-scan.c (df_ref_record, df_defs_record,
1871         df_ref_create_structure, df_def_record_1, df_uses_record,
1872         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1873         df_bb_refs_collect, df_entry_block_defs_collect,
1874         df_exit_block_uses_collect): Support new width and offset fields.
1875         (ref_extract_pool): New storage pool.
1876         (df_free_ref): New function.
1877         (df_reg_chain_unlink, df_free_collection_rec,
1878         df_sort_and_compress_refs): Call df_free_ref.
1879         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1880         of df_ref_extract.
1881         (df_ref_create_structure): Allocate df_ref_extract if offset and
1882         width fields are used.
1883         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1884         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1885         and SIGN_EXTRACT.
1886         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1887         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1888         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1889         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1890         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1891         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1892         (df_ref_extract): New structure.
1893         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1894         (df_ref_create): Add width and offset parameters.
1895         
1896 2008-03-05  Richard Guenther  <rguenther@suse.de>
1897
1898         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1899         Use ranges_overlap_p.
1900         (offset_overlaps_with_access): Rename
1901         to ranges_overlap_p and move ...
1902         * tree-flow-inline.h (ranges_overlap_p): ... here.
1903
1904         * tree.h (get_inner_reference, handled_component_p): Update
1905         comments.
1906
1907         * tree.h (record_component_aliases, get_alias_set,
1908         alias_sets_conflict_p, alias_sets_must_conflict_p,
1909         objects_must_conflict_p): Move declarations ...
1910         * alias.h (record_component_aliases, get_alias_set,
1911         alias_sets_conflict_p, alias_sets_must_conflict_p,
1912         objects_must_conflict_p): ... here.
1913         Include coretypes.h.
1914         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1915
1916 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1917
1918         * cfg.c: Include tree-flow.h.
1919         (remove_edge_raw): Call redirect_edge_var_map_clear.
1920         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1921         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1922         (redirect_edge_var_map_result): New.
1923         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1924         PENDING_STMT use with redirect_edge_var_map_*.
1925         * tree-ssa.c (edge_var_maps): New definition.
1926         (redirect_edge_var_map_add): New.
1927         (redirect_edge_var_map_clear): New.
1928         (redirect_edge_var_map_dup): New.
1929         (redirect_edge_var_map_vector): New.
1930         (redirect_edge_var_map_destroy): New.
1931         (ssa_redirect_edge): Replace PENDING_STMT use with
1932         redirect_edge_var_map_*.
1933         (flush_pending_stmts): Same.
1934         (delete_tree_ssa): Destroy edge var map.
1935         * tree-flow.h (struct _edge_var_map): New.
1936         Define edge_var_map vector type.
1937         Declare redirect_edge_var_map_* prototypes.
1938         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1939         * tree-cfg.c (reinstall_phi_args): Replace
1940         PENDING_STMT use with redirect_edge_var_map_*.
1941
1942 2008-03-05  Richard Guenther  <rguenther@suse.de>
1943
1944         PR tree-optimization/35472
1945         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1946         whose single use_stmt has a overlapping set of loaded and
1947         stored symbols as that use_stmt might be a noop assignment then.
1948
1949 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1950
1951         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1952
1953 2008-03-05  Richard Guenther  <rguenther@suse.de>
1954
1955         PR c++/35336
1956         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1957         should be constants.
1958         * tree-cfg.c (verify_expr): Verify it.
1959         * fold-const.c (fold_truthop): Remove code generating
1960         BIT_FIELD_REFs of structure bases.
1961         (fold_binary): Likewise.
1962         (fold_ternary): Position and size of BIT_FIELD_REFs are
1963         always host integers.
1964         (make_bit_field_ref): Remove.
1965         (optimize_bit_field_compare): Remove.
1966         (all_ones_mask_p): Remove.
1967
1968 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1969
1970         PR gcc/33009
1971         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1972         (split_block_and_df_analyze): New. Split basic block and rebuild
1973         dataflow.
1974         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1975         SPLIT_BLOCK.
1976         (split_pattern_seq): Likewise.
1977         (erase_matching_seqs): Likewise.
1978         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1979
1980 2008-03-04  Geoff Keating  <geoffk@apple.com>
1981
1982         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1983         declaration and code.
1984         (tree_invalid_nonnegative_warnv_p): Likewise.
1985
1986 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1987
1988         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1989         examples.  Truncate option-names then causing overfull hbox.
1990
1991 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1992
1993         PR target/35222
1994         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1995         on hpux10.
1996         * configure: Rebuilt.
1997
1998 2008-03-04  Rafael Espindola  <espindola@google.com>
1999
2000         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
2001         (tree_unary_nonnegative_warnv_p): New.
2002         (tree_binary_nonnegative_warnv_p): New.
2003         (tree_single_nonnegative_warnv_p): New.
2004         (tree_invalid_nonnegative_warnv_p): New.
2005         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
2006
2007 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2008
2009         PR 28322
2010         * opts.c (handle_option): Postpone 'unknown option' errors only for
2011         warning options.
2012
2013 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
2014
2015         PR target/35453
2016         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
2017         (_SIDD_XXX): This.
2018
2019 2008-03-04  Rafael Espindola  <espindola@google.com>
2020
2021         * fold-const.c (tree_unary_nonzero_warnv_p): New.
2022         (tree_binary_nonzero_warnv_p): New.
2023         (tree_single_nonzero_warnv_p): New.
2024         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
2025
2026 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
2027
2028         PR middle-end/35456
2029         * fold-const.c (fold_cond_expr_with_comparison): Prevent
2030         transformations for modes that have signed zeros.
2031         * ifcvt.c (noce_try_abs): Ditto.
2032
2033 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
2034
2035         * config/i386/i386.c (override_options): Force
2036         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
2037
2038 2008-03-04  Jan Hubicka  <jh@suse.cz>
2039
2040         PR c++/35262
2041         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
2042         in last commit.
2043
2044 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2045
2046         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
2047         label to probe the stack.
2048
2049 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
2050
2051         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
2052         (__gthr_win32_mutex_destroy): Declare.
2053         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
2054         __gthr_win32_mutex_destroy.
2055         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
2056
2057 2008-03-03  Jan Hubicka  <jh@suse.cz>
2058
2059         PR c++/35262
2060         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
2061         aggressive on inlining cold calls.
2062
2063 2008-03-03  Richard Guenther  <rguenther@suse.de>
2064
2065         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
2066         struct copies into the expression table.
2067         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
2068         (try_to_simplify): Likewise.
2069         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
2070         integral and pointer arguments which do not change the
2071         precision to NOP_EXPRs.
2072         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
2073         VIEW_CONVERT_EXPR case.
2074
2075 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2076
2077         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2078         defined in a loop at depth 0 is invariant.
2079         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2080         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2081         be called at loop depth 0.
2082
2083 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR driver/35420
2086         * gcc.c (process_command): Update copyright notice dates.
2087         * gcov.c (print_version): Likewise.
2088         * gcov-dump.c (print_version): Likewise.
2089         * mips-tfile.c (main): Likewise.
2090         * mips-tdump.c (main): Likewise.
2091
2092 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2093
2094         PR 24924
2095         * c-common.c (flag_permissive): Delete.
2096         (constant_expression_warnings): Check flags first.
2097         (constant_expression_error): New.
2098         * c-common.h (flag_permissive): Delete.
2099         (constant_expression_error): Declare.
2100         * flags.h (flag_permissive): Declare. Update description.
2101         * diagnostic.c (pedwarn): Update.
2102         (permerror): New.
2103         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2104         (permissive_error_kind): New.
2105         * toplev.c (flag_permissive): Define. Update description.
2106         * toplev.h (permissive_error_kind): Declare.
2107         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2108         (pedwarn_c90): Use pedantic_warning_kind.
2109         * c-opts.c (c_common_post_options): flag_permissive does not affect
2110         flag_pedantic_errors.
2111
2112 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2113
2114         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2115         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2116         __absvsi2, __absvDI2): Use unsigned arithmetic.
2117
2118 2008-03-02  Andi Kleen  <ak@suse.de>
2119             Richard Guenther  <rguenther@suse.de>
2120
2121         * struct-equiv.c: Remove file.
2122         * cfg_cleanup.c (condjump_equiv_p): Remove.
2123         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2124         (struct-equiv.o): Remove rule.
2125         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2126         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2127         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2128
2129 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2130
2131         * ifcvt.c (noce_process_if_block): Try to handle only the then
2132         block if the else block exists but isn't suitable.
2133
2134 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2135
2136         PR gcc/35063
2137         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2138         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2139         regression from previous patch.
2140
2141 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2142
2143         PR gcc/35063
2144         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2145         implemented.
2146         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2147         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2148         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2149         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2150         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2151         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2152         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2153         (__gthread_mutex_destroy_function): Rename to
2154         __gthread_mutex_destroy.
2155         * gthr-dce.h (__gthread_mutex_destroy): Call
2156         pthread_mutex_destroy.
2157         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2158         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2159         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2160
2161 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2162
2163         * df-scan.c (df_ref_chain_change_bb): Simplify.
2164         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2165         set_block_for_insn if there's any change.
2166         * df.h ((df_insn_change_bb): Fix prototype.
2167         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2168         df_insn_change_bb, don't call set_block_for_insn.
2169         * emit-rtl.c (reorder_insns): Likewise.
2170         * haifa-sched.c (move_insn): Likewise.
2171
2172 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2173
2174         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2175
2176 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2177
2178         * tree-flow-inline.h (next_readonly_imm_use): Return
2179         NULL_USE_OPERAND_P after the end.
2180
2181 2008-03-01  Richard Guenther  <rguenther@suse.de>
2182
2183         PR tree-optimization/35411
2184         * tree-sra.c (sra_build_assignment): Split conversion to
2185         final type to a separate statement if we are not assigning
2186         to a register.
2187
2188 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2189
2190         * fold-const.c (fold_convertible_p): Correct the logic to follow
2191         that in fold_convert().
2192
2193 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2194
2195         PR c++/35315
2196         * tree-inline.c (build_duplicate_type): When we make a
2197         duplicate type, make it unique in the canonical types system.
2198
2199 2008-02-29  Tom Tromey  <tromey@redhat.com>
2200
2201         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2202         input_file_stack_history, input_file_stack_restored): Remove.
2203         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2204         * input.h (struct file_stack): Remove.
2205         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2206         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2207         Likewise.
2208         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2209         type.
2210         (diagnostic_last_module_changed): Add 'map' argument.
2211         (diagnostic_set_last_function): Likewise.
2212         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2213         line map, not input_file_stack.
2214         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2215
2216 2008-02-29  Paul Brook  <paul@codesourcery.com>
2217
2218         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2219
2220 2008-02-29  Paul Brook  <paul@codesourcery.com>
2221
2222         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2223
2224 2008-02-29  Richard Guenther  <rguenther@suse.de>
2225
2226         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2227         vn_lookup_or_add.
2228         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2229         value for comparing for a store match.
2230         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2231         (try_to_simplify): Do not do a full-blown reference lookup.
2232
2233 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2234
2235         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2236         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2237
2238         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2239
2240 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2243         strides against cache sizes.
2244
2245 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2246
2247         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2248         constant to fpul.
2249
2250 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2251
2252         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2253         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2254         is smaller than the original promoted value.
2255         (simplify_subreg): If OP is a SUBREG, try to preserve its
2256         SUBREG_PROMOTED_VAR_P information.
2257
2258 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2259
2260         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2261         (VN_INFO_GET): Allocate new objects on the obstack.
2262         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2263         for rpo_numbers_temp, for consistency.
2264         (free_scc_vn): Free the obstack.
2265
2266 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2267
2268         * doc/invoke.texi: Document -ftree-loop-distribution.
2269         * tree-loop-distribution.c: New.
2270         * tree-pass.h (pass_loop_distribution): New.
2271         * graphds.h (struct graph): Add htab_t indices.
2272         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2273         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2274         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2275         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2276         * tree-data-ref.c (debug_data_dependence_relations): New.
2277         (dump_data_dependence_relation): Also print data references.
2278         (free_data_ref): Extern.
2279         (same_access_functions): Moved...
2280         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2281         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2282         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2283         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2284         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2285         (stmts_from_loop): Skip LABEL_EXPR.
2286         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2287         New.
2288         (build_rdg): Initialize rdg->indices htab.
2289         (free_rdg, stores_from_loop, ref_base_address,
2290         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2291         have_similar_memory_accesses_1, ref_base_address_1,
2292         remove_similar_memory_refs): New.
2293         * tree-data-ref.h: Depend on tree-chrec.h.
2294         (debug_data_dependence_relations, free_data_ref): Declared.
2295         (same_access_functions): ... here.
2296         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2297         New.
2298         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2299         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2300         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2301         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2302         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2303         rdg_vertex_for_stmt): Declared.
2304         (struct rdg_edge): Add level.
2305         (RDGE_LEVEL): New.
2306         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2307         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2308         Declared.
2309         (rdg_has_similar_memory_accesses): New.
2310         * tree-vect-analyze.c: Remove unused static decls.
2311         * lambda.h (dependence_level): New.
2312         * common.opt (ftree-loop-distribution): New.
2313         * tree-flow.h (mark_virtual_ops_in_bb, 
2314         slpeel_tree_duplicate_loop_to_edge_cfg,
2315         rename_variables_in_loop): Declared.
2316         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2317         (OBJS-common): Add tree-loop-distribution.o.
2318         (tree-loop-distribution.o): New rule.
2319         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2320         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2321         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2322
2323 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2324
2325         PR target/33963
2326         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2327         other than structures and unions.
2328
2329 2008-02-28  Richard Guenther  <rguenther@suse.de>
2330
2331         Revert:
2332         2008-02-26  Richard Guenther  <rguenther@suse.de>
2333
2334         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2335         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2336         (lookup_decl_from_uid): Declare.
2337         (remove_decl_from_map): Likewise.
2338         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2339         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2340         (decl_for_uid_map): New global hashtable mapping DECL_UID
2341         to the decl tree.
2342         (init_ttree): Allocate it.
2343         (insert_decl_to_uid_decl_map): New helper function.
2344         (make_node_stat): Insert new decls into the map.
2345         (copy_node_stat): Likewise.
2346         (lookup_decl_from_uid): New function.
2347         (remove_decl_from_map): Likewise.
2348         (print_decl_for_uid_map_statistics): New helper.
2349         (dump_tree_statistics): Call it.
2350
2351         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2352         (referenced_var_iterator): Adjust.
2353         (FOR_EACH_REFERENCED_VAR): Adjust.
2354         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2355         (num_referenced_vars): Adjust.
2356         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2357         (first_referenced_var): Remove.
2358         (end_referenced_vars_p): Likewise.
2359         (next_referenced_var): Likewise.
2360         (referenced_var_iterator_set): New helper function.
2361         * tree-dfa.c (referenced_var_lookup): Adjust.
2362         (referenced_var_check_and_insert): Likewise.
2363         (remove_referenced_var): Likewise.
2364         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2365         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2366         (verify_call_clobbering): Likewise.
2367         (verify_memory_partitions): Likewise.
2368         (init_tree_ssa): Allocate bitmap instead of hashtable for
2369         referenced_vars.
2370         (delete_tree_ssa): Adjust.
2371         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2372         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2373         (compute_tag_properties): Likewise.
2374         (set_initial_properties): Likewise.
2375         (find_partition_for): Likewise.
2376         (update_reference_counts): Likewise.
2377         (dump_may_aliases_for): Likewise.
2378         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2379         (add_call_clobber_ops): Likewise.
2380         (add_call_read_ops): Likewise.
2381         (get_asm_expr_operands): Likewise.
2382         * tree-into-ssa.c (dump_decl_set): Likewise.
2383         (update_ssa): Likewise.
2384         * tree-sra.c (scan_function): Likewise.
2385         (decide_instantiations): Likewise.
2386         (scalarize_parms): Likewise.
2387         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2388         (dsa_named_for): Likewise.
2389         * tree-ssa-structalias.c (update_alias_info): Likewise.
2390         (merge_smts_into): Likewise.
2391
2392 2008-02-27  David Daney  <ddaney@avtrex.com>
2393
2394         PR target/34409
2395         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2396         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2397         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2398         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2399         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2400
2401 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2402
2403         PR target/25477
2404         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2405         (BUILT_IN_NEXTTOWARD): Remove.
2406         (BUILT_IN_NEXTTOWARDF): Ditto.
2407         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2408         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2409
2410 2008-02-27  Tom Tromey  <tromey@redhat.com>
2411
2412         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2413         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2414
2415 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2416
2417         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2418         update the respective field on newdecl.
2419
2420 2008-02-27  Revital Eres  <eres@il.ibm.com>
2421
2422         PR rtl-optimization/34999
2423         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2424         crossing edges that ends with a call insn.
2425         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2426         call insn and clear the EDGE_CROSSING flag of the crossing edge
2427         when fixing fallthru edges.
2428
2429 2008-02-27  Richard Guenther  <rguenther@suse.de>
2430
2431         PR middle-end/35390
2432         * fold-const.c (fold_unary): Return the correct argument,
2433         converted to the result type.
2434
2435 2008-02-27  Richard Guenther  <rguenther@suse.de>
2436
2437         PR middle-end/34971
2438         * expr.c (expand_expr_real_1): Assert on rotates that operate
2439         on partial modes.
2440         * fold-const.c (fold_binary): Use the types precision, not the
2441         bitsize of the mode if folding rotate expressions.  Build rotates
2442         only for full modes.
2443
2444 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2445
2446         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2447         and CPP_PRAGMA_EOL.
2448         * c-pragma.c (pragma_ns_name): New typedef.
2449         (registered_pp_pragmas): New variable.
2450         (c_pp_lookup_pragma): New function.
2451         (c_register_pragma_1): If flag_preprocess_only, do nothing
2452         for non-expanded pragmas, for expanded ones push pragma's
2453         namespace and name into registered_pp_pragmas vector.
2454         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2455         flag_preprocess_only, don't register GCC pch_preprocess
2456         pragma if flag_preprocess_only.
2457         * c-opts.c (c_common_init): Call init_pragma even if
2458         flag_preprocess_only.
2459         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2460         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2461         cpp_register_pragma if flag_preprocess_only.
2462
2463 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2464
2465         PR c/28800
2466         * c-parser.c (c_parser_translation_unit): Warn for empty
2467         translation unit, not empty source file.
2468
2469 2008-02-26  Paul Brook  <paul@codesourcery.com>
2470
2471         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2472         operand for Thumb-2.
2473         * config/arm/arm.h (reg_class): Add CORE_REGS.
2474         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2475         (BASE_REG_CLASS): Use CORE_REGS.
2476         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2477         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2478         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2479         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2480         ARM_REGNO_OK_FOR_INDEX_P.
2481         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2482         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2483         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2484         (ldm/stm peepholes): Ditto.
2485         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2486         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2487         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2488         * config/arm/constraints.md: Enable "k" constraint on ARM.
2489
2490 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2491
2492         * config/rs6000/rs6000.c: Annotate cache line size field in all
2493         instances of struct processor_costs.
2494
2495 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2496
2497         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2498         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2499         jump_bypass): New counters.
2500         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2501         * dce.c (gate_ud_dce): Same.
2502         (gate_fast_dce): Same.
2503         * dse.c (gate_dse1): New function.
2504         (gate_dse2): New function.
2505         (gate_dse): Merge results of new gate functions.
2506         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2507         (gate_handle_jump_bypass): Add dbg_cnt.
2508         (gate_handle_gcse): Add dbg_cnt.
2509         * ifcvt.c (gate_handle_if_conversion): Same.
2510         (gate_handle_if_after_combine): Same.
2511         (gate_handle_if_after_reload): Same.
2512         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2513
2514 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2515
2516         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2517         line sizes.
2518         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2519
2520 2008-02-26  Jason Merrill  <jason@redhat.com>
2521
2522         PR c++/35315
2523         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2524         alone if it's the naming decl for the type's main variant.
2525
2526 2008-02-26  Tom Tromey  <tromey@redhat.com>
2527
2528         * system.h (USE_MAPPED_LOCATION): Poison.
2529         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2530         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2531         (make_goto_expr_edges): Likewise.
2532         (remove_bb): Likewise.
2533         (execute_warn_function_return): Likewise.
2534         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2535         location_t.
2536         * c-common.c (fname_decl): Remove old location code.
2537         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2538         location code.
2539         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2540         variant.
2541         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2542         (gen_rtx_ASM_INPUT): Likewise.
2543         (gen_rtx_ASM_INPUT_loc): Likewise.
2544         (get_rtx_asm_OPERANDS): Remove.
2545         * cfglayout.c (insn_locators_alloc): Remove old location code.
2546         (set_curr_insn_source_location): Likewise.
2547         (curr_insn_locator): Likewise.
2548         * print-tree.c (print_node): Remove old location code.
2549         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2550         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2551         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2552         location_from_locus.
2553         (construct_exit_block): Remove old location code.
2554         * emit-rtl.c (force_next_line_note): Remove old location code.
2555         * profile.c (branch_prob): Remove old location code.
2556         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2557         LOC_LINE): Remove old-location variants.
2558         * langhooks.c (lhd_print_error_function): Remove old location
2559         code.
2560         * configure, config.in: Rebuilt.
2561         * configure.ac (--enable-mapped-location): Remove.
2562         * c-decl.c (c_init_decl_processing): Remove old location code.
2563         (finish_function): Likewise.
2564         * recog.c (decode_asm_operands): Remove old location code.
2565         * c-pch.c (c_common_read_pch): Remove old location code.
2566         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2567         variants.
2568         * gimple-low.c (lower_function_body): Remove old location code.
2569         * toplev.c (unknown_location): Remove.
2570         (push_srcloc): Remove old-location variant.
2571         (process_options): Remove old location code.
2572         (lang_dependent_init): Likewise.
2573         * input.h (UNKNOWN_LOCATION): Move definition.
2574         (location_t): Undeprecate.
2575         (source_locus): Remove.
2576         (location_from_locus): Remove.
2577         (struct location_s): Remove.
2578         Remove all old-location code.
2579         (input_line, input_filename): Remove.
2580         * final.c (final_scan_insn): Remove old location code.
2581         * diagnostic.c (diagnostic_build_prefix): Remove
2582         USE_MAPPED_LOCATION test.
2583         * tree.h (gimple_stmt) <locus>: Now a location_t.
2584         (tree_exp) <locus>: Likewise.
2585         (DECL_IS_BUILTIN): Remove old-location variant.
2586         (annotate_with_file_line, annotate_with_locus): Likewise.
2587         (expr_locus, set_expr_locus): Update.
2588         * tree.c (build1_stat): Remove old location code.
2589         (last_annotated_node): Remove.
2590         (annotate_with_file_line): Remove old-location variant.
2591         (annotate_with_locus): Likewise.
2592         (expr_location): Remove old location code.
2593         (set_expr_location): Likewise.
2594         (expr_has_location): Likewise.
2595         (expr_locus): Likewise.
2596         (set_expr_locus): Likewise.
2597         (expr_filename): Don't use location_from_locus.
2598         (expr_lineno): Likewise.
2599         * rtl-error.c (location_for_asm): Remove old location code.
2600         * c-lex.c (cb_line_change): Remove old location code.
2601         (fe_file_change): Likewise.
2602         (cb_def_pragma): Likewise.
2603         (c_lex_with_flags): Likewise.
2604         * gengtype.c (do_typedef): Don't special-case location types.
2605         (define_location_structures): Remove.
2606         (main): Don't call define_location_structures.
2607         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2608         code.
2609
2610 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2611
2612         PR 26264
2613         * builtins.def (BUILT_IN_STDARG_START): Remove.
2614         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2615         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2616         * tree-inline.c (inline_forbidden_p_1): Likewise.
2617         
2618 2008-02-26  Richard Guenther  <rguenther@suse.de>
2619
2620         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2621         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2622         (lookup_decl_from_uid): Declare.
2623         (remove_decl_from_map): Likewise.
2624         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2625         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2626         (decl_for_uid_map): New global hashtable mapping DECL_UID
2627         to the decl tree.
2628         (init_ttree): Allocate it.
2629         (insert_decl_to_uid_decl_map): New helper function.
2630         (make_node_stat): Insert new decls into the map.
2631         (copy_node_stat): Likewise.
2632         (lookup_decl_from_uid): New function.
2633         (remove_decl_from_map): Likewise.
2634         (print_decl_for_uid_map_statistics): New helper.
2635         (dump_tree_statistics): Call it.
2636
2637         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2638         (referenced_var_iterator): Adjust.
2639         (FOR_EACH_REFERENCED_VAR): Adjust.
2640         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2641         (num_referenced_vars): Adjust.
2642         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2643         (first_referenced_var): Remove.
2644         (end_referenced_vars_p): Likewise.
2645         (next_referenced_var): Likewise.
2646         (referenced_var_iterator_set): New helper function.
2647         * tree-dfa.c (referenced_var_lookup): Adjust.
2648         (referenced_var_check_and_insert): Likewise.
2649         (remove_referenced_var): Likewise.
2650         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2651         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2652         (verify_call_clobbering): Likewise.
2653         (verify_memory_partitions): Likewise.
2654         (init_tree_ssa): Allocate bitmap instead of hashtable for
2655         referenced_vars.
2656         (delete_tree_ssa): Adjust.
2657         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2658         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2659         (compute_tag_properties): Likewise.
2660         (set_initial_properties): Likewise.
2661         (find_partition_for): Likewise.
2662         (update_reference_counts): Likewise.
2663         (dump_may_aliases_for): Likewise.
2664         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2665         (add_call_clobber_ops): Likewise.
2666         (add_call_read_ops): Likewise.
2667         (get_asm_expr_operands): Likewise.
2668         * tree-into-ssa.c (dump_decl_set): Likewise.
2669         (update_ssa): Likewise.
2670         * tree-sra.c (scan_function): Likewise.
2671         (decide_instantiations): Likewise.
2672         (scalarize_parms): Likewise.
2673         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2674         (dsa_named_for): Likewise.
2675         * tree-ssa-structalias.c (update_alias_info): Likewise.
2676         (merge_smts_into): Likewise.
2677
2678 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2679
2680         PR 34351
2681         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2682         * c-opts.c (c_common_handle_option): Wall enables
2683         Wvolatile-register-var.
2684         * common.opt: Move Wvolatile-register-var to...
2685         * c.opt: ...here.
2686         
2687 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2688
2689         * common.opt (Wlarger-than=): New.
2690         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2691         -Wlarger-than=.
2692         * opts.c (common_handle_option): Handle -Wlarger-than=.
2693         * optc-gen.awk: Likewise.
2694         * opth-gen.awk: Likewise.
2695         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2696         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2697         
2698 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2699
2700         * c-common.c (match_case_to_enum_1): Add appropriate
2701         OPT_W* parameter to warning.
2702         (c_do_switch_warnings): Likewise.
2703         * c-typeck.c (warning_init): Add one more parameter following
2704         'warning' function.
2705         (push_init_level): Update call to warning_init.
2706         (pop_init_level): Likewise.
2707         (add_pending_init): Likewise.
2708         (output_init_element: Likewise.
2709
2710 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2711
2712         PR 28322
2713         * toplev.c (toplev_main): If there are warnings or error, print
2714         errors for ignored options.
2715         * opts.c (ignored_options): New static variable.
2716         (postpone_unknown_option_error): New.
2717         (print_ignored_options): New.
2718         (handle_option): Postpone errors for unknown -Wno-* options.
2719         * opts.h (print_ignored_options): Declare.
2720         
2721 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2722
2723         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2724         to "ghost".
2725
2726 2008-02-25  Richard Guenther  <rguenther@suse.de>
2727
2728         Revert:
2729         2008-02-25  Richard Guenther  <rguenther@suse.de>
2730
2731         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2732         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2733         (lookup_decl_from_uid): Declare.
2734         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2735         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2736         (decl_for_uid_map): New global hashtable mapping DECL_UID
2737         to the decl tree.
2738         (init_ttree): Allocate it.
2739         (insert_decl_to_uid_decl_map): New helper function.
2740         (make_node_stat): Insert new decls into the map.
2741         (copy_node_stat): Likewise.
2742         (lookup_decl_from_uid): New function.
2743         (print_decl_for_uid_map_statistics): New helper.
2744         (dump_tree_statistics): Call it.
2745
2746         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2747         (referenced_var_iterator): Adjust.
2748         (FOR_EACH_REFERENCED_VAR): Adjust.
2749         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2750         (num_referenced_vars): Adjust.
2751         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2752         (first_referenced_var): Remove.
2753         (end_referenced_vars_p): Likewise.
2754         (next_referenced_var): Likewise.
2755         (referenced_var_iterator_set): New helper function.
2756         * tree-dfa.c (referenced_var_lookup): Adjust.
2757         (referenced_var_check_and_insert): Likewise.
2758         (remove_referenced_var): Likewise.
2759         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2760         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2761         (verify_call_clobbering): Likewise.
2762         (verify_memory_partitions): Likewise.
2763         (init_tree_ssa): Allocate bitmap instead of hashtable for
2764         referenced_vars.
2765         (delete_tree_ssa): Adjust.
2766         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2767         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2768         (compute_tag_properties): Likewise.
2769         (set_initial_properties): Likewise.
2770         (find_partition_for): Likewise.
2771         (update_reference_counts): Likewise.
2772         (dump_may_aliases_for): Likewise.
2773         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2774         (add_call_clobber_ops): Likewise.
2775         (add_call_read_ops): Likewise.
2776         (get_asm_expr_operands): Likewise.
2777         * tree-into-ssa.c (dump_decl_set): Likewise.
2778         (update_ssa): Likewise.
2779         * tree-sra.c (scan_function): Likewise.
2780         (decide_instantiations): Likewise.
2781         (scalarize_parms): Likewise.
2782         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2783         (dsa_named_for): Likewise.
2784         * tree-ssa-structalias.c (update_alias_info): Likewise.
2785         (merge_smts_into): Likewise.
2786
2787 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2788
2789         PR fortran/29549
2790         * doc/invoke.texi (-fcx-limited-range): Document new option.
2791         * toplev.c (process_options): Handle -fcx-fortran-rules.
2792         * common.opt: Add documentation for -fcx-fortran-rules.
2793
2794 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2795
2796         PR c/35162
2797         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2798         actual behaviour and C99.
2799         
2800 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2801
2802         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2803         (ASM_CPU_POWER6_SPEC): Likewise.
2804         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2805         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2806         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2807
2808 2008-02-25  Richard Guenther  <rguenther@suse.de>
2809
2810         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2811         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2812         (lookup_decl_from_uid): Declare.
2813         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2814         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2815         (decl_for_uid_map): New global hashtable mapping DECL_UID
2816         to the decl tree.
2817         (init_ttree): Allocate it.
2818         (insert_decl_to_uid_decl_map): New helper function.
2819         (make_node_stat): Insert new decls into the map.
2820         (copy_node_stat): Likewise.
2821         (lookup_decl_from_uid): New function.
2822         (print_decl_for_uid_map_statistics): New helper.
2823         (dump_tree_statistics): Call it.
2824
2825         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2826         (referenced_var_iterator): Adjust.
2827         (FOR_EACH_REFERENCED_VAR): Adjust.
2828         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2829         (num_referenced_vars): Adjust.
2830         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2831         (first_referenced_var): Remove.
2832         (end_referenced_vars_p): Likewise.
2833         (next_referenced_var): Likewise.
2834         (referenced_var_iterator_set): New helper function.
2835         * tree-dfa.c (referenced_var_lookup): Adjust.
2836         (referenced_var_check_and_insert): Likewise.
2837         (remove_referenced_var): Likewise.
2838         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2839         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2840         (verify_call_clobbering): Likewise.
2841         (verify_memory_partitions): Likewise.
2842         (init_tree_ssa): Allocate bitmap instead of hashtable for
2843         referenced_vars.
2844         (delete_tree_ssa): Adjust.
2845         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2846         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2847         (compute_tag_properties): Likewise.
2848         (set_initial_properties): Likewise.
2849         (find_partition_for): Likewise.
2850         (update_reference_counts): Likewise.
2851         (dump_may_aliases_for): Likewise.
2852         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2853         (add_call_clobber_ops): Likewise.
2854         (add_call_read_ops): Likewise.
2855         (get_asm_expr_operands): Likewise.
2856         * tree-into-ssa.c (dump_decl_set): Likewise.
2857         (update_ssa): Likewise.
2858         * tree-sra.c (scan_function): Likewise.
2859         (decide_instantiations): Likewise.
2860         (scalarize_parms): Likewise.
2861         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2862         (dsa_named_for): Likewise.
2863         * tree-ssa-structalias.c (update_alias_info): Likewise.
2864         (merge_smts_into): Likewise.
2865
2866 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2867
2868         PR target/35258
2869         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2870         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2871         * alias.h (nonoverlapping_memrefs_p): Likewise.
2872
2873 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2874
2875         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2876         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2877         __emultls_get_address, __emultls_register_common,
2878         __floatundi?f, and _Unwind_GetIPInfo.
2879         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2880         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2881         (gen_regparm_prefix): Likewise.
2882         (i386_nlm_encode_section_info): Sync with
2883         config/i386/winnt.c:i386_pe_encode_section_info().
2884         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2885         i386_nlm_mangle_decl_assembler_name): New.
2886         (netware_override_options): New.
2887         * config/i386/netware.h (netware_override_options): Declare.
2888         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2889         (i386_nlm_mangle_decl_assembler_name): Declare.
2890         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2891
2892 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2893
2894         PR other/32948
2895         * c-decl.c (grokdeclarator): Remove unused local variables
2896         `typedef_type' and `type_as_written'.
2897         * bb-reorder.c
2898         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2899         unused local variable `has_hot_blocks'.
2900         (fix_crossing_conditional_branches): Remove unused local variable
2901         `prev_bb'.
2902         
2903 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2904
2905         PR middle-end/19984
2906         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2907         using DEF_C99_BUILTIN.
2908         (BUILT_IN_NANF): Ditto.
2909         (BUILT_IN_NANL): Ditto.
2910
2911 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2912             Revital Eres  <eres@il.ibm.com>
2913
2914         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2915         regarding the order of two dependent insns in the same row.
2916
2917 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2918
2919         * stor-layout.c (layout_decl): Do not bump the alignment of a
2920         bit-field to more than byte alignment if it is packed.
2921
2922 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2923
2924         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2925         e300c2 and e300c3.
2926
2927 2008-02-24  Diego Novillo  <dnovillo@google.com>
2928
2929         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2930
2931         PR 33738
2932         * tree-vrp.c (vrp_evaluate_conditional): With
2933         -Wtype-limits, emit a warning when comparing against a
2934         constant outside the natural range of OP0's type.
2935         * c.opt (Wtype-limits): Move ...
2936         * common.opt (Wtype-limits): ... here.
2937
2938 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2939
2940         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2941         * config/rs6000/e300c2c3.md: New file.
2942         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2943         e300c2 and e300c3.
2944         (rs6000_override_options): Add e300c2 and e300c3 cases to
2945         processor_target_table. Do not allow usage of Altivec or Spe
2946         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2947         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2948         * config/rs6000/rs6000.h (processor_type): Add
2949         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2950         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2951         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2952         and ppce300c3. Include e300c2c3.md.
2953
2954 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2955
2956         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2957         instead of TARGET_STRICT_ALIGN.
2958
2959 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2960
2961         * explow.c (memory_address): Assert that the generated address is
2962         valid.
2963
2964 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2965
2966         PR target/25477
2967         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2968         * config/darwin-ppc-ldouble-patch.def: New file.
2969         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2970         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2971         SUBTARGET_INIT_BUILTINS if defined.
2972         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2973         New functions.
2974
2975 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2976
2977         PR rtl-opt/33512
2978         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2979         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2980
2981 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2982
2983         PR pch/35027
2984         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2985         file" warning condtional on -Winvalid-PCH.
2986
2987 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2988
2989         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2990
2991 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2992
2993         PR target/22076
2994         PR target/34256 
2995         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2996         prevent reload from using MMX registers.
2997         (*mov<mode>_internal): Ditto.
2998         (*movv2sf_internal_rex64): Ditto.
2999         (*movv2sf_internal): Ditto.
3000
3001 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3002
3003         PR documentation/31569
3004         * doc/install.texi2html: Use makeinfo --no-number-sections.
3005
3006 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3007
3008         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
3009         ensure that we can address an entire entity > 8 bytes.  Don't
3010         generate reg+reg addressing for such data.
3011
3012 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3013
3014         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
3015         strings when optimizing for size, unless the target cares about
3016         alignment.
3017
3018 2008-02-22  Tom Tromey  <tromey@redhat.com>
3019
3020         * regclass.c (current_pass): Remove declaration.
3021
3022 2008-02-22  Anatoly Sokolov <aesok@post.ru>
3023
3024         * config/avr/libgcc.S (__RAMPZ__): Define.
3025         (__do_copy_data): Add for devices with 128KB code memory.
3026
3027 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
3028
3029         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
3030         Use spe_abi.
3031         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
3032
3033 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
3034
3035         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
3036         GENNONACR_REGS.
3037
3038 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3039
3040         PR c/19999
3041         * c-typeck.c (build_binary_op): Warn about floating point
3042         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
3043
3044 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
3045
3046         PR target/34526
3047         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
3048         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
3049         add vrsave.
3050         (rs6000_override_options): Set altivec_abi as default, not override,
3051         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
3052         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
3053         is used; use new member spe_abi.
3054         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
3055         spe_abi and altivec_abi.
3056
3057 2008-02-22  Tomas Bily  <tbily@suse.cz>
3058
3059         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
3060
3061 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3062
3063         PR bootstrap/35273
3064         * config.build (build_file_translate): Set to `CMD //c' only if
3065         it works.
3066         * Makefile.in (build_file_translate): Improve comment.
3067
3068 2008-02-21  Jan Hubicka  <jh@suse.cz>
3069
3070         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
3071         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
3072         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
3073
3074 2008-02-21  Michael Matz  <matz@suse.de>
3075
3076         PR target/35264
3077         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3078
3079 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3080
3081         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3082         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3083         as insn constraint.
3084         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3085         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3086         SSE_VEC_FLOAT_MODE_P as insn constraint.
3087         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3088         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3089         sse4a_movntdf using MODEF mode iterator.
3090         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3091         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3092         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3093         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3094         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3095         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3096         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3097
3098 2008-02-21  Richard Guenther  <rguenther@suse.de>
3099
3100         * tree.def (PAREN_EXPR): New tree code.
3101         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3102         and PAREN_EXPR.
3103         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3104         * expr.c (expand_expr_real_1): Likewise.
3105         * tree-inline.c (estimate_num_insns_1): Likewise.
3106         * tree-complex.c (expand_complex_move): Likewise.
3107         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3108         as plain x.
3109
3110 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3111
3112         PR target/35225
3113         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3114
3115 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3116
3117         PR target/35190
3118         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3119
3120         * config/sh/sh.c (find_barrier): Don't go past
3121         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3122
3123 2008-02-20  DJ Delorie  <dj@redhat.com>
3124
3125         * config/h8300/h8300.md (insv): Force source operand to be a register.
3126
3127         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3128         as a jump, not as a plain insn.
3129         
3130 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3131
3132         * doc/invoke.texi (Warning Options): Add new option
3133         -Wframe-larger-than=.
3134         (-Wframe-larger-than): Document.
3135
3136         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3137         Add declarations for new option variables.
3138
3139         * final.c (final_start_function): Check the frame size
3140         before emission and issue a Wframe-larger-than warning.
3141
3142         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3143         Add definitions for new option variables.
3144         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3145
3146         * common.opt (Wframe-larger-than=): New option.
3147
3148 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3149
3150         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3151         (<sse>_div<mode>3): Ditto.
3152         (<sse>_vmdiv<mode>3): Ditto.
3153         (<sse>_vmsqrt<mode>2): Ditto.
3154         (*smax<mode>3): Ditto.
3155         (sse5_frcz<mode>2): Ditto.
3156         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3157         as insn constraint.
3158
3159 2008-02-20  Richard Guenther  <rguenther@suse.de>
3160
3161         PR middle-end/35265
3162         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3163         be happy with INTEGRAL_TYPE_P.
3164
3165 2008-02-20  Richard Guenther  <rguenther@suse.de>
3166
3167         * fold-const.c (split_tree): Associate floatig-point expressions
3168         if flag_associative_math is set.
3169
3170 2008-02-20  Richard Guenther  <rguenther@suse.de>
3171
3172         * tree.h (fold_real_zero_addition_p): Declare.
3173         * fold-const.c (fold_real_zero_addition_p): Export.
3174         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3175         floating-point operations with zero and one.
3176
3177 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3178
3179         * doc/install.texi: Correct references to CFLAGS, replacing them
3180         with BOOT_CFLAGS.  Document flags used during bootstrap for
3181         target libraries.
3182                                 
3183 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3184
3185         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3186         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3187         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3188         insn constraint.
3189         (smin<mode>3): Ditto from similar patterns.
3190         (smax<mode>3): Ditto.
3191         (*ieee_smin<mode>3): Ditto.
3192         (*ieee_smax<mode>3): Ditto.
3193         * config/i386/sse.md (sse): New mode attribute.
3194         (mov<mode>): Macroize expander from movv4sf and movv2df using
3195         SSEMODEF2P mode iterator.
3196         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3197         SSE_VEC_FLOAT_MODE_P as insn constraint.
3198         (storent<mode>): Ditto.
3199         (storent<mode>): Macroize expander from storentsf and storentdf using
3200         MODEF mode iterator.
3201         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3202         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3203         (abs<mode>2): Ditto from similar patterns.
3204         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3205         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3206         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3207         (<sse>_vmsqrt<mode>2): Ditto.
3208         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3209         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3210         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3211         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3212         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3213         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3214         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3215         insn constraint.
3216         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3217         iterator and SSE_FLOAT_MODE_P as insn constraint.
3218         (<sse>_ucomi): Ditto from similar patterns.
3219         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3220         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3221         SSE_VEC_FLOAT_MODE_P as insn constraint.
3222         (vcond<mode>): Ditto from similar patterns.
3223         (and<mode>3, *and<mode>3): Ditto.
3224         (<sse>_nand<mode>3): Ditto.
3225         (ior<mode>3, *ior<mode>3): Ditto.
3226         (xor<mode>3, *xor<mode>3): Ditto.
3227         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3228         iterator and SSE_FLOAT_MODE_P as insn constraint.
3229         (*nand<mode>3): Ditto from similar patterns.
3230         (*ior<mode>3): Ditto.
3231         (*xor<mode>3): Ditto.
3232
3233 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3234
3235         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3236         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3237         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3238
3239 2008-02-19  Jan Hubicka  <jh@suse.cz>
3240
3241         * predict.c (tree_bb_level_predictions): Remove variable next
3242         mistakely introduced by previous commit.
3243
3244 2008-02-19  Jan Hubicka  <jh@suse.cz>
3245
3246         * predict.c (predict_paths_leading_to): Rewrite.
3247         (predict_paths_for_bb): New.
3248         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3249
3250 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3251
3252         PR bootstrap/35218
3253         * Makefile.in (build_file_translate): New.
3254         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3255         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3256         * configure.ac (build_file_translate): Substitute it.
3257         * configure: Regenerate.
3258
3259 2008-02-19  Jan Hubicka  <jh@suse.cz>
3260
3261         PR rtl-optimization/34408
3262         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3263         invalid sharing.
3264
3265 2008-02-19  Jan Hubicka  <jh@suse.cz>
3266
3267         PR middle-end/28779
3268         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3269         call_expr.
3270
3271 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3272
3273         PR Ada/35186
3274         * config/i386/i386-modes.def: Revert the last DI alignment
3275         change until Ada people can look into it.
3276
3277 2008-02-19  Nick Clifton  <nickc@redhat.com>
3278
3279         * opts.c (print_specific_help): Fix typo in --help text.
3280
3281 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3282
3283         PR target/35239
3284         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3285         32-bit inline asm without asm alternatives for host GCC < 3.0.
3286
3287 2008-02-19  Richard Guenther  <rguenther@suse.de>
3288
3289         PR tree-optimization/34989
3290         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3291         Allow propagation to INDIRECT_REF if we can simplify only.
3292
3293 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3294
3295         * c-common.c (warn_for_collisions_1): Use appropriate option when
3296         warning.
3297
3298 2008-02-19  Nick Clifton  <nickc@redhat.com>
3299
3300         PR other/31349
3301         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3302         (handle_options): Fix indentation.
3303         (print_filtered_help): If no language-specific options were
3304         displayed tell the user how to list all the options supported by
3305         the language's front-end.
3306         (print_specific_help): Fix indentation and remove duplicate line.
3307         (common_handle_option): Handle the -v option.
3308         For --help enable the display of undocumented options if the -v
3309         switch has been included on the command line.
3310         For --help= check for overlaps in the arguments between the option
3311         classes and the language names and issue a warning when they
3312         cannot be disambiguated.
3313         * c.opt (v): Pass on to the common option handler.
3314
3315 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3316
3317         * modulo-sched.c (sms_schedule): Change dump message when
3318         create_ddg function fails.
3319         (try_scheduling_node_in_cycle): Rename row to cycle.
3320         (print_partial_schedule): Rename CYCLE to ROW.
3321
3322 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3323             Zdenek Dvorak  <ook@ucw.cz>
3324
3325         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3326
3327 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3328
3329         PR target/33555
3330         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3331         (*x86_movdicc_0_m1_se): Ditto.
3332
3333 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3334
3335         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3336         (CMPtype): Define as __gcc_CMPtype.
3337         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3338         (CMPtype): Define as __gcc_CMPtype.
3339
3340 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3341
3342         Support valgrind 3.3 for --enable-checking=valgrind.
3343         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3344         here.
3345         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3346         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3347         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3348         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3349         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3350         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3351         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3352         respectively.
3353         * ggc-zone.c: Similar.
3354         * ggc-page.c: Similar.
3355
3356 2008-02-19  Paul Brook  <paul@codesourcery.com>
3357
3358         PR target/35071
3359         * config/arm/ieee754-df.S: Fix do_it typo.
3360         * config/arm/ieee754-sf.S: Fix do_it typo.
3361
3362 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3363
3364         PR target/35189
3365         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3366         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3367         (OPTION_MASK_ISA_SSE_SET): Likewise.
3368         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3369         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3370         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3371         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3372         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3373         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3374         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3375         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3376         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3377         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3378         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3379         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3380         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3381         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3382         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3383         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3384         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3385         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3386         (OPTION_MASK_ISA_SSE4): Removed.
3387         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3388         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3389         (override_options): Don't turn on implied SSE/MMX bits in
3390         ix86_isa_flags.
3391
3392 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3393
3394         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3395         32bit host.
3396
3397 2008-02-18  Joey Ye  <joey.ye@intel.com>
3398
3399         PR middle-end/34921
3400         * tree-nested.c (insert_field_into_struct): Set type alignment
3401         to field alignment if the former is less than the latter.
3402
3403 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3404
3405         * BASE-VER: Set to 4.4.0.
3406
3407 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3408
3409         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3410         * doc/cfg.texi: Likewise.
3411         * doc/extend.texi: Likewise.
3412         * doc/gty.texi: Likewise.
3413         * doc/invoke.texi: Likewise.
3414         * doc/loop.texi: Likewise.
3415         * doc/md.texi: Likewise.
3416         * doc/passes.texi: Likewise.