2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
[official-gcc.git] / gcc / ChangeLog
blobc3e9ffd27b499c3f737e8c9dcb40261ac5aba3aa
1 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3         PR middle-end/30186
4         * fold-const.c (fold_indirect_ref_1): Support accessing non first
5         element of the vector via a pointer.
7 2008-03-31  Ian Lance Taylor  <iant@google.com>
9         * tlink.c (scan_linker_output): Look for symbol name in single
10         quotes.
12 2008-03-31  Jan Hubicka  <jh@suse.cz>
14         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15         get_arg_pointer_save_area.
16         * expr.c (init_expr): Just clear out rtl.expr.
17         * function.c (free_after_compilation): Clear out whole RTL structure.
18         (get_func_frame_size): Merge into ...
19         (get_frame_size): ... this one.
20         (assign_stack_local_1): Merge into ...
21         (assign_stack_local): ... this one.
22         (expand_function_end): Update call of get_arg_pointer_save_area.
23         (get_art_pointer_save_area): Remove cfun argument.
24         * function.h (emit_status): regno_pointer_align does not need length
25         attribute. Move x_regno_reg_rtx to ...
26         (regno_reg_rtx): ... new global array.
27         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
28         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
29         apply_args_value, forced_labels, stack_pointer_delta): Update accestors.
30         (struct varasm_status): Move here from varasm.c
31         (struct rtl_data): New. Move here some fields from struct function.
32         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
33         frame_offset, stack_check_probe_note, arg_pointer_save_area,
34         used_temp_slots avail_temp_slots, temp_slot_level,
35         nonlocal_goto_handler_labels): Update accesstors.
36         (rtl): New global variable.
37         (struct function): Move some fileds to rtl_data.
38         (get_arg_pointer_save_area): Update prototype.
39         * emit-rtl.c (rtl): Declare.
40         (regno_reg_rtx): Declare.
41         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num): Update.
42         (gen_reg_rtx): Update.
43         (init_virtual_regs): Do not tate emit_status argument.
44         (init_emit): Do not allocate emit.
45         * varasm.c (varasm_statuc): Move to function.h.
46         (n_deferred_constatns): Update accestor.
47         (init_varasm_status): Do not allocate varasm_status.
48         (force_const_mem, get_pool_size, output_constant_pool): Update.
49         * stmt.c (force_label_rtx): Do not use x_ prefixes.
50         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
52 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
54         PR rtl-optimization/35729
55         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
56         references.
58 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
60         PR target/32000
61         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
62         load/store if memory is unaligned.
63         (*movti_rex64): Likewise.
65         * config/i386/predicates.md (misaligned_operand): New.
67 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
69         PR tree-opt/35431
70         * tree-ssa-phiopt.c (conditional_replacement): Return early for
71         complex types.
73 2008-03-31  Jan Beulich  <jbeulich@novell.com>
75         * config/ia64/constraints.md: Add 'j' constraint.
76         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
77         (movdi_internal): Likewise.
79 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
81         PR c/35748
82         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
84 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
86         PR target/35757
87         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
88         proper error message for the third argument on blendpd and
89         blendps.
91         * config/i386/sse.md (blendbits): New.
92         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
94 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
96         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
98 2008-03-30  Richard Guenther  <rguenther@suse.de>
100         PR middle-end/31023
101         * fold-const.c (fold_sign_changed_comparison): Do leave
102         conversions to base-types alone.
104 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
106         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
107         the link register if one altivec register is be saved.
109 2008-03-30  Ben Elliston  <bje@au.ibm.com>
111         * final.c (final_scan_insn): Remove if (0) code.
113 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
115         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
117 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
119         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
120         of V4SFmode to ix86_binary_operator_ok.
122 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
124         * config/i386/i386.c (override_options): Initialize
125         ix86_veclib_handler to ix86_veclibabi_svml when
126         -mveclibabi=svml is used.
127         (ix86_veclibabi_svml): New function for SVML ABI style
128         vectorization support.
129         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
131 2008-03-28  Rafael Espindola  <espindola@google.com>
133         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
134         (tree_binary_nonnegative_warnv_p): Make it public.
135         (tree_single_nonnegative_warnv_p): Make it public.
136         (tree_invalid_nonnegative_warnv_p): Make it public.
137         (tree_unary_nonzero_warnv_p): Make it public.
138         (tree_binary_nonzero_warnv_p): Make it public
139         (tree_single_nonzero_warnv_p): Make it public.
140         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
141         (extract_range_from_binary_expr): Split the expr argument.
142         (extract_range_from_unary_expr): Split the expr argument.
143         (extract_range_from_comparison): Split the expr argument.
144         (extract_range_from_expr): Use the new aux functions.
145         (vrp_evaluate_conditional_warnv): Use
146         vrp_evaluate_conditional_warnv_with_ops.
147         * tree.h (tree_unary_nonzero_warnv_p): Declare.
148         (tree_binary_nonzero_warnv_p): Declare.
149         (tree_single_nonzero_warnv_p): Declare.
150         (tree_expr_nonzero_warnv_p): Declare.
151         (tree_unary_nonnegative_warnv_p): Declare.
152         (tree_binary_nonnegative_warnv_p): Declare.
153         (tree_single_nonnegative_warnv_p): Declare.
154         (tree_invalid_nonnegative_warnv_p): Declare.
156 2008-03-28  Richard Guenther  <rguenther@suse.de>
158         PR tree-optimization/30317
159         PR tree-optimization/30911
160         PR tree-optimization/34793
161         * tree-vrp.c (set_and_canonicalize_value_range): New function.
162         (struct assert_locus_d): New member EXPR.
163         (register_new_assert_for): Add EXPR parameter to support
164         ASSERT_EXPR <name, expr OP limit>.
165         (register_edge_assert_for_1): Adjust callers.
166         (find_assert_locations): Likewise.
167         (process_assert_insertions_for): Build condition from expression.
168         (extract_range_from_assert): Handle ASSERT_EXPRs
169         of the form ASSERT_EXPR <name, expr OP limit>.
170         (register_edge_assert_for_2): New helper registering
171         asserts for comparisons.  Recognize range tests of the form
172         (unsigned)i - CST1 OP CST2.
173         (register_edge_assert_for_1): Use it.
174         (register_edge_assert_for): Likewise.
175         (needs_overflow_infinity): Integer sub-types
176         do not need overflow infinities.
177         (vrp_val_is_max): The extreme values of integer sub-types
178         are those of the base type.
179         (vrp_val_is_min): Likewise.
180         * tree.def (ASSERT_EXPR): Document extra allowed conditional
181         expressions.
183 2008-03-28  Nick Clifton  <nickc@redhat.com>
185         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
186         Return GENERAL_REGS for stack adjustment reloads.
188 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
190         PR target/31334
191         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
192         const_vector when all the vectors are constant.
194 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
196         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
197         comparisons.
198         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
199         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
200         (scc_sf): New.
201         (s<code>_sf): Use new scc_sf attribute for opcode names.
203 2008-03-27  Tom Tromey  <tromey@redhat.com>
205         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
206         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
207         config/spu/t-spu-elf, config/i386/t-interix,
208         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
209         config/i386/x-darwin, config/i386/x-mingw32,
210         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
211         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
212         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
213         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
214         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
215         config/rs6000/x-darwin, config/rs6000/t-rs6000,
216         config/score/t-score-elf, config/arm/t-strongarm-pe,
217         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
218         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
219         Revert automatic dependency patch.
221 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
223         PR target/35657
224         * config/i386/i386.c (ix86_function_arg_boundary): Align
225         decimal floating point to its natural boundary.
227 2008-03-27  Richard Guenther  <rguenther@suse.de>
229         PR middle-end/35716
230         * fold-const.c (fold_comparison): Restrict distinct decl
231         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
232         solely rely on operand_equal_p.
234 2008-03-27  Richard Guenther  <rguenther@suse.de>
236         PR c/32511
237         * c-common.c (handle_weak_attribute): Reject combination of
238         weak and inline.
240 2008-03-27  Richard Guenther  <rguenther@suse.de>
242         PR tree-optimization/32810
243         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
244         conversions from DECL_INITIAL.
245         (fold_const_aggregate_ref): Likewise from constructor elements.
247 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
249         * tree-affine.h (aff_combination_expand): Declare.
250         (get_inner_reference_aff): Likewise.
251         * tree-affine.c (aff_combination_expand): Split out from
252         tree_to_aff_combination_expand.
253         (get_inner_reference_aff): New function.
254         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
255         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
256         (struct lim_aux_data): sm_done field removed.
257         (mem_ref_loc_p, mem_ref_locs_p): New types.
258         (struct mem_ref): Added id, stored, accesses_in_loop,
259         indep_loop, dep_loop, indep_ref, dep_ref fields.
260         Removed is_stored, locs and next fields.
261         (memory_accesses): New variable.
262         (movement_possibility): Do not allow moving statements
263         that store to memory.
264         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
265         New functions.
266         (determine_max_movement): For statements with memory references,
267         find the outermost loop in that the reference is independent.
268         (move_computations_stmt): Mark the virtual operands for renaming.
269         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
270         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
271         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
272         add_vop_ref_mapping, create_vop_ref_mapping_loop,
273         create_vop_ref_mapping, analyze_memory_references,
274         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
275         get_all_locs_in_loop, ref_always_accessed_p,
276         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
277         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
278         store_motion_loop, store_motion): New functions.
279         (struct vop_to_refs_elt): New type.
280         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
281         memref_hash, memref_eq, hoist_memory_references): Rewritten.
282         (schedule_sm): Replaced by...
283         (execute_sm): ... this.
284         (determine_lsm_ref, hoist_memory_references,
285         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
286         find_more_ref_vops, free_mem_ref, free_mem_refs,
287         determine_lsm_loop, determine_lsm): Removed.
288         (tree_ssa_lim_finalize): Free data structures used by store motion.
289         (tree_ssa_lim): Call analyze_memory_references.  Use
290         store_motion instead of determine_lsm.
292 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
294         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
295         rename tmake_file to m68hc11/t-m68hc11.
296         (mcore): Set inhibit_libc to true.
297         * config.host (alpha*-dec-*vms*): Set extra_programs.
298         (interix3*): Don't use host_xmake_file.
299         * configure.ac: Let config.gcc override inhibit_libc.
300         * configure: Regenerate.
302         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
303         * config/t-openbsd-thread: Remove commented out lines.
304         
305         * config/x-interix: Remove.
307         * config/m68hc11/t-m68hc11-gas: Rename to...
308         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
310         * config/mcore/t-mcore: Remove T_CFLAGS.
311         * config/mcore/t-mcore-pe: Likewise.
313 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
315         * configure.ac: Replace custom __GNU_SOURCE test with
316         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
317         * aclocal.m4: Regenerate.
318         * configure: Regenerate.
319         * config.in: Regenerate.
321 2008-03-27  Richard Guenther  <rguenther@suse.de>
323         * fold-const.c (target.h): Include.
324         (fold_comparison): Fold comparison of addresses of decls
325         that bind locally or of constants.  Consolidate address folding code.
326         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
327         results from fold_binary_to_constant.
328         (compare_values_warnv): Likewise.
330 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
332         PR middle-end/35429
333         * fold-const.c (fold_truthop): Check for integeral types when folding
334         a == 0 && b == 0 and a != 0 || b != 0 .
336 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
338         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
340 2008-03-26  Andreas Schwab  <schwab@suse.de>
342         * doc/invoke.texi: Fix use of @item vs. @itemx.
344 2008-03-26  Tom Tromey  <tromey@redhat.com>
346         * Makefile.in (build/gensupport.o, build/print-rtl.o,
347         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
348         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
349         build/gencodes.o, build/genconditions.o, build/genconfig.o,
350         build/genconstants.o, build/genemit.o, build/genextract.o,
351         build/genflags.o, build/genmddeps.o, build/genopinit.o,
352         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
353         options.h.
355 2008-03-26  Richard Guenther  <rguenther@suse.de>
357         Revert
358         2008-03-26  Richard Guenther  <rguenther@suse.de>
360         * fold-const.c (target.h): Include.
361         (fold_comparison): Fold comparison of addresses of two decls
362         that bind locally.  Consolidate address folding code.
364 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
366         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
367         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
368         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
369         dconstsqrt2, dconstthird, dconste and/or dconst10.
370         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
371         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
372         dconstsqrt2, dconste): Delete.
373         (init_emit_once): Likewise.  Simplify initializing dconstm1.
374         Constify variable.
375         * real.c (get_real_const): New.
376         * real.h (dconst3, dconst10, dconstm2, dconstthird,
377         dconstsqrt2, dconste): Delete.
378         (real_value_const, get_real_const): New.
380 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
382         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
384         * config/i386/i386.c (ix86_function_arg_boundary): Check
385         BIGGEST_ALIGNMENT instead of 128.
386         (setup_incoming_varargs_64): Likewise.
388 2008-03-26  Tom Tromey  <tromey@redhat.com>
390         * Makefile.in (DEPFILES): Add missing '/'.
392 2008-03-26  Richard Guenther  <rguenther@suse.de>
394         * fold-const.c (target.h): Include.
395         (fold_comparison): Fold comparison of addresses of two decls
396         that bind locally.  Consolidate address folding code.
398 2008-03-26  Nick Clifton  <nickc@redhat.com>
400         PR target/31232
401         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
402         not allow INT+INT as a legitimate addressing mode.
404 2008-03-26  Richard Guenther  <rguenther@suse.de>
406         * tree-flow.h (widen_bitfield): Remove declaration.
407         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
408         (widen_bitfield): Remove function.
409         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
410         code.
412 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
414         PR target/31558
415         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
416         error_mark_node's.
418 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
420         PR rtl-optimization/35232
421         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
422         (forget_old_reloads_1, forget_marked_reloads): Don't clear
423         reg_reloaded_call_part_clobbered here.
424         (reload_regs_reach_end_p): New function.
425         (reload_reg_rtx_for_input): New variable.
426         (reload_reg_rtx_for_output): Likewise.
427         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
428         when reassigning a pseudo register.  Load reloadreg from 
429         reload_reg_rtx_for_input, moving the mode and register
430         calculation to...
431         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
432         instead of the original when deciding whether an input reload
433         would be a no-op or whether an output reload can be deleted.
434         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
435         when setting up new_spill_reg_store.  Load it from
436         reload_reg_rtx_for_output, moving the mode and register
437         calculation to...
438         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
439         instead of the original when deciding whether an output reload
440         would be a no-op.  Do the same when modifying insn notes.
441         Use rtx_equal_p instead of == to compare the registers.
442         (inherit_piecemeal_p): Take a mode and two register numbers
443         as argument.
444         (emit_reload_insns): Clear new_spill_reg_store for every hard
445         register in the reload register.  Remove spill registers
446         from reg_reloaded_valid before considering whether to record
447         inheritance information for them.  Use reload_reg_rtx_for_output
448         instead of reg_rtx when recording output reloads.  Use
449         reload_reg_rtx_for_input instead of reg_rtx when recording
450         input reloads.  Set or clear reg_reloaded_call_part_clobbered
451         at the same time as setting reg_reloaded_valid.
452         (delete_output_reload): Add a new_reload_reg parameter and use it
453         instead of rld[j].reg_rtx.
454         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
455         calls accordingly.
457 2008-03-25  Tom Tromey  <tromey@redhat.com>
459         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
460         (build/genattr.o): Likewise.
461         (build/genattrtab.o): Likewise.
462         (build/gencodes.o): Likewise.
463         (build/genconfig.o): Likewise.
464         (build/genconstants.o): Likewise.
465         (build/genemit.o): Likewise.
466         (build/genextract.o): Likewise.
467         (build/genflags.o): Likewise.
469 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
470         
471         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
472         instead of size_int for integer types.
473         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
474         to match type of MINUS_EXPR.
475         
476 2008-03-25  Tom Tromey  <tromey@redhat.com>
478         * configure: Rebuilt.
479         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
480         Makefile.
482 2008-03-25  Tom Tromey  <tromey@redhat.com>
484         * config/x-solaris (host-solaris.o): Update.
485         * config/x-linux (host-linux.o): Update.
486         * config/x-hpux (host-hpux.o): Update.
487         * config/x-darwin (host-darwin.o): Update.
488         * config/v850/t-v850e (v850-c.o): Update.
489         * config/v850/t-v850 (v850-c.o): Update.
490         * config/t-vxworks (vxworks.o): Update.
491         * config/t-sol2 (sol2-c.o, sol2.o): Update.
492         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
493         * config/spu/t-spu-elf (spu-c.o): Update.
494         (spu.o): Remove.
495         * config/sh/t-symbian (sh-c.o): Update.
496         (symbian.o): Update.
497         * config/sh/t-sh (sh-c.o): Update.
498         * config/score/t-score-elf (score7.o, score3.o): Update.
499         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
500         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
501         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
502         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
503         (rs6000.o): Remove.
504         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
505         * config/m32c/t-m32c (m32c-pragma.o): Update.
506         * config/ia64/t-ia64 (ia64-c.o): Update.
507         * config/i386/x-mingw32 (host-mingw32.o): Update.
508         * config/i386/x-i386 (driver-i386.o): Update.
509         * config/i386/x-darwin (host-i386-darwin.o): Update.
510         * config/i386/x-cygwin (host-cygwin.o): Update.
511         * config/i386/t-nwld (nwld.o): Update.
512         * config/i386/t-netware (netware.o): Update.
513         * config/i386/t-interix (winnt.o): Update.
514         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
515         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
516         msformat-c.o): Update.
517         * config/bfin/t-bfin-linux (generated_files): Add
518         linux-sysroot-suffix.h.
519         * config/arm/t-wince-pe (pe.o): Update.
520         * config/arm/t-strongarm-pe (pe.o): Update.
521         * config/arm/t-pe (pe.o): Update.
522         * config/arm/t-arm (arm-c.o): Update.
523         * doc/install.texi (Prerequisites): Require make 3.80.
524         * Makefile.in: Remove .o targets.
525         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
526         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
527         (simple_generated_h, simple_generated_c): Move earlier.
528         (generated_files): New variable.
529         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
530         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
531         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
532         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
533         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
534         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
535         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
536         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
537         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
538         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
539         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
540         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
541         (.c.o): Remove.
542         (COMPILE.base, COMPILE): New variables.
543         (%.o): New pattern rule.
544         (ALL_HOST_OBJS): New variable.
545         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
546         (dummy-checksum.o, cc1-checksum.o): Remove.
547         (DRIVER_SHLIB): New variable.
548         (DRIVER_DEFINES): Use it.
549         (gencondmd.c): Move out of build/.
550         (s-conditions): Update.
551         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
552         (ALL_BUILD_OBJS): Likewise.
553         (build/%.o): Use BUILDCOMPILE.
554         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
555         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
556         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
557         build/gencheck.o, build/gencodes.o, build/genconditions.o,
558         build/genconfig.o, build/genconstants.o, build/genemit.o,
559         build/genextract.o, build/genflags.o, build/genmddeps.o,
560         build/genopinit.o, build/genoutput.o, build/genpeep.o,
561         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
562         build/gen-protos.o, build/scan.o, build/fix-header.o,
563         build/scan-decls.o): Simplify.
564         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
565         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
566         prefix.o, toplev.o): Reduce to variable setting.
567         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
568         ($(out_object_file), gcc-options.o): New targets.
569         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
570         * configure: Rebuilt.
571         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
572         * doc/sourcebuild.texi (Front End Directory): Document new variable.
574 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
576         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
577         complain when we hit an error, return ERROR_MARK_NODE.
579 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
581         * config/sh/constraints.md (Pso, Psz): New constraints.
582         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
583         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
585 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
587         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
588         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
590 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
592         * config/sh/sh.md (prefetch): Add condition for SH2A target.
593         (prefetch_sh2a): New.   
595 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
596             Naveen.H.S  <naveen.hs@kpitcummins.com>
598         * config/sh/constraints.md (I28): New constraint.
599         * config/sh/sh.c (broken_move): Add support for movi20s.
600         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
602 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
603             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
604             Naveen.H.S  <naveen.hs@kpitcummins.com>
606         * config/sh/sh.c (SH_ATTRIBUTES): Define.
607         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
608         (print_operand): Handle resbank in %@ operand code.
609         (sh_encode_section_info): New.
610         (push_regs): Add conditions for resbank.
611         (sh_expand_epilogue): Likewise.
612         (sh_insert_attributes): Likewise.
613         (sh_attribute_table): Likewise.
614         (sh_handle_resbank_handler_attribute): New.
615         (sh2a_handle_function_vector_handler_attribute): New.
616         (sh2a_is_function_vector_call): New.
617         (sh2a_get_function_vector_number): New.
618         (sh2a_function_vector_p): New.
619         (sh_cfun_resbank_handler_p): New.
620         * config/sh/sh.md (calli): Emit jsr/n if possible.
621         (calli_tbr_rel): New.
622         (calli_pcrel): Emit jsr/n if possible.
623         (return_i): Emit rts/n if possible.
624         (call_valuei_tbr_rel): New.
625         (call_valuei_pcrel): Add condition for SH2A target.
626         (call_value): Likewise.
627         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
628         (sh2a_get_function_vector_number): Likewise.
629         (sh2a_is_function_vector_call): Likewise.
630         * doc/extend.texi: Document TBR relative addressing of SH2A.
631         (resbank): Add description for SH2A.
633 2008-03-24  Richard Guenther  <rguenther@suse.de>
635         PR c/22371
636         * gimplify.c (gimplify_modify_expr): For frontend type-correct
637         pointer assignments change conversions according to middle-end rules.
638         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
639         * configure.ac: Include type checking in yes.
640         * configure: Regenerate.
642 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
644         * diagnostic.c (diagnostic_count_diagnostic): Delete.
645         (diagnostic_report_diagnostic): Update. Handle ICEs here.
646         
647 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
649         * gthr-vxworks.h (UNUSED): Define.
651 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
653         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
655 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
657         * doc/extend.texi (Function Attributes): Add missing comma in the
658         example of the "alloc_size" attribute.
659         
660 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
662         Revert:
663         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
665         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
666         32bit host.
668         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
670         PR target/35496
671         * stor-layout.c (update_alignment_for_field): Set minimum alignment
672         of the underlying type of a MS bitfield layout to the natural
673         alignment of the type.
675         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
677         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
678         to their natural alignment to avoid store forwarding stalls.
680 2008-03-22  Richard Guenther  <rguenther@suse.de>
682         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
683         For PHI nodes verify the address is invariant.
684         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
685         (get_symbol_constant_value): Use is_gimple_min_invariant.
686         (maybe_fold_stmt_indirect): Likewise.
688 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
690         PR rtl-optimization/33927
691         * Makefile.in (dse.o): Depend on $(TM_P_H).
692         * expr.h (extract_low_bits): Declare.
693         * expmed.c (extract_low_bits): New function.
694         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
695         * dse.c: Include tm_p.h.
696         (find_shift_sequence): Remove the read_reg argument and return the
697         read value.  Emit the instructions instead of returning them.
698         Iterate on new_mode rather than calculating it each time.
699         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
700         source to NEW_MODE and extract_low_bits to convert the shifted
701         value to READ_MODE.
702         (replace_read): Allow the load and store to have different mode
703         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
704         or extraction instructions before trying the replacement.  Update
705         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
707 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
709         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
710         to their natural alignment to avoid store forwarding stalls.
712 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
714         PR target/27946
715         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
716         encouraging but not allowing gprs for input;
717         change the input constraint to !f#r.
718         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
719         gprs for output;
720         change the output constraint to !f#r.
722 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
724         PR target/13958
725         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
726         corresponding post-reload splitters.
727         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
728         when x87 FP math is selected.
729         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
730         New function prototype.
731         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
732         unreachable function to ease macroization of insn patterns.
734 2008-03-21  Martin Jambor  <mjambor@suse.cz>
736         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
737         reference dumps if ddr is NULL or dependence is unknown.
739 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
741         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
742         unsigned extension into account.
743         (ATOMIC_COMPARE_AND_SWAP): Likewise.
744         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
745         Do computations on a scratch register.
747 2008-03-21  Richard Guenther  <rguenther@suse.de>
749         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
750         Use is_gimple_min_invariant instead of TREE_INVARIANT.
751         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
752         * tree-ssa-dom.c (record_equality): Likewise.
753         * tree-inline.c (copy_body_r): Likewise.
754         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
755         TREE_INVARIANT.
757 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
759         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
760         as 'delete_unused' argument.
762 2008-03-20  Richard Guenther  <rguenther@suse.de>
764         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
765         special casing of constant qualifiers.
766         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
767         care about them in general.
768         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
769         regardless of their type.
770         (fold_stmt_r): Forcefully fold *& if we end up with that.
772 2008-03-20  Paul Brook  <paul@codesourcery.com>
774         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
775         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
776         linker flags.
777         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
778         definition.
779         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
780         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
782 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
784         * common.opt (Wmudflap): New option.
785         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
786         (mx_register_decls): Likewise.
787         (mudflap_finish_file): Likewise.
788         * doc/invoke.texi: Document -Wno-mudflap.
790 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
792         * c-format.c (replace_format_name_to_system_name): New.
793         (cmp_attribs): New.
794         (convert_format_name_to_system_name): New.
795         (decode_format_attr): Add use of convert_format_name_to_system_name.
796         (format_types_orig): Add gnu_ prefix to names.
797         (check_format_info_main): Special treating of \0 escaped names for
798         supporting multi-character format specifiers as I32, I64.
799         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
800         (gnu_target_overrides_format_attributes): New.
801         * c-format.h: Add structure target_ovr_attr to hold
802         system specific formatter names.
803         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
804         msformat-c.o file to c_target_objs and cxx_target_objs.
805         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
806         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
807         (TARGET_N_FORMAT_TYPES): New.
808         * config/i386/msformat-c.c: New.
809         * config/i386/t-cygming: Add build rule for msformat-c.o.
810         * doc/extend.texi: Add new format names gnu_* and ms_* and
811         further details.
812         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
814 2008-03-20  Ira Rosen  <irar@il.ibm.com>
816         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
817         optimizations turned on under -O3.
818         (ftree-vectorize): Add that the flag is turned on with -O3.
820 2008-03-20  Ben Elliston  <bje@au.ibm.com>
822         * regmove.c (try_auto_increment): Fix spelling error in comment.
823         * final.c (final_scan_insn): Likewise.
825 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
827         PR target/14552
828         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
829         allocator preferences for "y" and "r" class registers.
830         ("*mov<mode>_internal"): Ditto.
831         ("*movv2sf_internal_rex64"): Ditto.
832         ("*movv2sf_internal"): Ditto.
834 2008-03-19  Michael Matz  <matz@suse.de>
836         PR middle-end/35616
837         * calls.c (expand_call): Check overlap of arguments with call
838         address for sibcalls.
840 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
842         PR target/35496
843         * stor-layout.c (update_alignment_for_field): Set minimum alignment
844         of the underlying type of a MS bitfield layout to the natural
845         alignment of the type.
847 2008-03-19  Jan Hubicka  <jh@suse.cz>
849         PR other/35094
850         * toplev.c (decode_d_option): Handle all CPP flags.
851         * tree-vrp.c: Update tree_pass descriptors.
852         * regrename.c: Update tree_pass descriptors.
853         * fwprop.c: Update tree_pass descriptors.
854         * doc/invoke.texi: Remove documentation of dropped -d? flags.
855         * tree-into-ssa.c: Update tree_pass descriptors.
856         * tree-dump.c: Update tree_pass descriptors.
857         * tree-complex.c: Update tree_pass descriptors.
858         * tree-dump.h: Update tree_pass descriptors.
859         * see.c: Update tree_pass descriptors.
860         * cgraphbuild.c: Update tree_pass descriptors.
861         * tracer.c: Update tree_pass descriptors.
862         * tree-loop-distribution.c: Update tree_pass descriptors.
863         * cgraph.c: Update tree_pass descriptors.
864         * postreload-gcse.c: Update tree_pass descriptors.
865         * postreload.c: Update tree_pass descriptors.
866         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
867         * tree-tailcall.c: Update tree_pass descriptors.
868         * tree-pass.h (tree_opt_pass): Rename to ...
869         (opt_pass) ... this one; add "type" field and remove letter field.
870         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
871         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
872         all_lowering_passes): Update declaration.
873         * ipa-cp.c: Update tree_pass descriptors.
874         * final.c: Update tree_pass descriptors.
875         * omp-low.c: Update tree_pass descriptors.
876         * tree-ssa-dse.c: Update tree_pass descriptors.
877         * ipa-reference.c: Update tree_pass descriptors.
878         * tree-ssa-uncprop.c: Update tree_pass descriptors.
879         * auto-inc-dec.c: Update tree_pass descriptors.
880         * reorg.c: Update tree_pass descriptors.
881         * cgraphunit.c: Update tree_pass descriptors.
882         * tree-ssa-copyrename.c: Update tree_pass descriptors.
883         * tree-ssa-ccp.c: Update tree_pass descriptors.
884         * df-core.c: Update tree_pass descriptors.
885         * mode-switching.c: Update tree_pass descriptors.
886         * tree-nomudflap.c: Update tree_pass descriptors.
887         * modulo-sched.c: Update tree_pass descriptors.
888         * ipa-pure-const.c: Update tree_pass descriptors.
889         * cse.c: Update tree_pass descriptors.
890         * web.c: Update tree_pass descriptors.
891         * tree-stdarg.c: Update tree_pass descriptors.
892         * tree-ssa-math-opts.c: Update tree_pass descriptors.
893         * tree-ssa-dom.c: Update tree_pass descriptors.
894         * tree-nrv.c: Update tree_pass descriptors.
895         * tree-ssa-alias.c: Update tree_pass descriptors.
896         * loop-init.c: Update tree_pass descriptors.
897         * gimple-low.c: Update tree_pass descriptors.
898         * ipa-inline.c: Update tree_pass descriptors.
899         * tree-ssa-sink.c: Update tree_pass descriptors.
900         * global.c: Update tree_pass descriptors.
901         * ifcvt.c: Update tree_pass descriptors.
902         * jump.c: Update tree_pass descriptors.
903         * predict.c: Update tree_pass descriptors.
904         * tree-ssa-loop.c: Update tree_pass descriptors.
905         * recog.c: Update tree_pass descriptors.
906         * dse.c: Update tree_pass descriptors.
907         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
908         * tree-eh.c: Update tree_pass descriptors.
909         * regmove.c: Update tree_pass descriptors.
910         * local-alloc.c
911         * function.c: Update tree_pass descriptors.
912         * tree-vectorizer.c: Update tree_pass descriptors.
913         * gcse.c: Update tree_pass descriptors.
914         * ipa-type-escape.c: Update tree_pass descriptors.
915         * tree-if-conv.c: Update tree_pass descriptors.
916         * init-regs.c: Update tree_pass descriptors.
917         * ipa.c: Update tree_pass descriptors.
918         * tree-ssa-phiopt.c: Update tree_pass descriptors.
919         * rtl-factoring.c: Update tree_pass descriptors.
920         * lower-subreg.c: Update tree_pass descriptors.
921         * bt-load.c: Update tree_pass descriptors.
922         * tree-dfa.c: Update tree_pass descriptors.
923         * except.c: Update tree_pass descriptors.
924         * emit-rtl.c: Update tree_pass descriptors.
925         * cfgexpand.c: Update tree_pass descriptors.
926         * tree-cfgcleanup.c: Update tree_pass descriptors.
927         * cfgcleanup.c: Update tree_pass descriptors.
928         * tree-ssa-pre.c: Update tree_pass descriptors.
929         * tree-sra.c: Update tree_pass descriptors.
930         * tree-mudflap.c: Update tree_pass descriptors.
931         * tree-ssa-copy.c: Update tree_pass descriptors.
932         * cfglayout.c: Update tree_pass descriptors.
933         * tree-ssa-forwprop.c: Update tree_pass descriptors.
934         * tree-ssa-dce.c: Update tree_pass descriptors.
935         * tree-ssa.c: Update tree_pass descriptors.
936         * regclass.c: Update tree_pass descriptors.
937         * integrate.c: Update tree_pass descriptors.
938         * tree-optimize.c: Update tree_pass descriptors.
939         * tree-ssa-phiprop.c: Update tree_pass descriptors.
940         * tree-object-size.c: Update tree_pass descriptors.
941         * combine.c: Update tree_pass descriptors.
942         * tree-outof-ssa.c: Update tree_pass descriptors.
943         * bb-reorder.c: Update tree_pass descriptors.
944         * stack-ptr-mod.c: Update tree_pass descriptors.
945         * var-tracking.c: Update tree_pass descriptors.
946         * tree-profile.c: Update tree_pass descriptors.
947         * tree-vect-generic.c: Update tree_pass descriptors.
948         * reg-stack.c: Update tree_pass descriptors.
949         * sched-rgn.c: Update tree_pass descriptors.
950         * tree-ssa-structalias.c: Update tree_pass descriptors.
951         * tree-cfg.c: Update tree_pass descriptors.
952         * passes.c (current_pass): Update declaration.
953         (finish_optimization_passes): Update.
954         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
955         (register_one_dump_file, register_dump_files_1, next_pass_1):
956         Update arguments.
957         (init_optimization_passes): Update handling of new types.
958         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
959         * ipa-struct-reorg.c: Update tree_pass descriptors.
960         * tree-ssa-reassoc.c: Update tree_pass descriptors.
961         * combine-stack-adj.c: Update tree_pass descriptors.
962         * cfgrtl.c: Update tree_pass descriptors.
963         * dce.c: Update tree_pass descriptors.
964         * tree-ssanames.c: Update tree_pass descriptors.
966 2008-03-19  Richard Guenther  <rguenther@suse.de>
968         PR middle-end/35609
969         * tree-ssa.c (walk_data): New structure.
970         (warn_uninitialized_var): If not always_executed warn with "maybe"
971         instead of "is".
972         (execute_early_warn_uninitialized): Compute post-dominators.
973         Initialize always_executed before processing each basic block.
975 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
977         PR target/35504
978         * config/i386/i386.c (x86_this_parameter): Calculate correct location
979         of "this" pointer when "regparm = N" or "fastcall" is in effect.
981 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
983         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
985 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
987         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
988         is true.
989         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
990         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
991         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
992         target after ignore has been set, and move there also the commputation
993         of subtarget and original_target.
994         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
995         (LANG_HOOKS_INITIALIZER): Remove it.
996         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
998 2008-03-18  Richard Guenther  <rguenther@suse.de>
1000         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
1001         found an expression with constants, note that in the VN for the lhs.
1002         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
1003         fold them to constants if possible.  Run cleanup_cfg if done so.
1004         (execute_pre): Return todo.
1005         (do_pre): Likewise.
1006         (execute_fre): Likewise.
1007         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
1008         of constants.
1009         (get_prop_source_stmt): Look through pointer conversions.
1011 2008-03-18  Jan Hubicka  <jh@suse.cz>
1013         * tree-pretty-print.c: Include predict.h.
1014         (dump_generic_node): Dump predictor.
1015         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
1016         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
1017         * gimple-low.c (lower_stmt): Likewise.
1018         * expr.c (expand_expr_real): Likewise.
1019         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
1020         them.
1021         (build_predict_expr, build_predict_expr): New.
1022         * predict.h (predictor_name, build_predict_expr): Update.
1023         * c-typeck.c (c_finish_bc_stmt): Add prediction.
1024         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
1025         * predict.def (PRED_CONTINUE): Update hitrate.
1026         * tree.def (PREDICT_EXPR): Define.
1027         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
1028         do not handle BIND_EXPR.
1029         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
1030         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
1031         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
1032         operands.
1034 2008-03-18  Michael Matz  <matz@suse.de>
1036         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
1038 2008-03-18  Richard Guenther  <rguenther@suse.de>
1040         * tree-gimple.h (is_gimple_invariant_address): Declare.
1041         (is_gimple_constant): Likewise.
1042         * tree-gimple.c (is_gimple_constant): New function.
1043         (is_gimple_invariant_address): Likewise.
1044         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
1045         and is_gimple_invariant_address.
1046         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
1047         previous change.
1048         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
1049         an addressable base.
1051 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
1053         PR middle-end/35611
1054         * gimplify.c (gimplify_expr): Gimplify second operand of
1055         OMP_ATOMIC_LOAD.
1057 2008-03-17  Richard Guenther  <rguenther@suse.de>
1059         PR tree-optimization/19637
1060         * fold-const.c (fold_unary): Remove restrictions of removing
1061         intermediate pointer-conversions (P2)(P1)P0.
1062         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
1063         conversion to void pointer.
1064         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
1066 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
1068         PR debug/31510
1069         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
1070         emulated thread local variables.
1072 2008-03-16  Richard Guenther  <rguenther@suse.de>
1074         PR middle-end/35607
1075         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
1076         expand TREE_INVARIANT operations that are not gimple invariant.
1078 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
1080         * doc/extend.texi (Alignment): Say that the ABI controls
1081         the __alignof__ for non-strict-alignment targets rather
1082         than being a recommendation.
1084 2008-03-15  Paul Brook  <paul@codesourcery.com>
1086         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
1087         annotations.
1088         (arm_output_fn_unwind): Mark functions that can not be unwound.
1090 2008-03-15  Paul Brook  <paul@codesourcery.com>
1092         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
1093         extension instructions.
1095 2008-03-15  Richard Guenther  <rguenther@suse.de>
1097         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
1098         and fold constant aggregate refs.
1099         (fold_const_aggregate_ref): Handle string constants
1100         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
1101         (evaluate_stmt): Simplify now that ccp_fold folds constant
1102         aggregate refs.
1104 2008-03-15  Paul Brook  <paul@codesourcery.com>
1106         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
1107         (extzv): Use gen_extzv_t2.
1108         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
1110 2008-03-15  Richard Guenther  <rguenther@suse.de>
1112         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
1113         (fold_const_aggregate_ref): Likewise.
1114         (get_value): Return NULL if we don't have any values.
1115         (ccp_finalize): Set const_val to NULL after freeing it.
1116         * tree-flow.h (get_symbol_constant_value): Declare.
1117         (fold_const_aggregate_ref): Likewise.
1118         * tree-ssa-sccvn.c (try_to_simplify): Use them.
1120 2008-03-15  Richard Guenther  <rguenther@suse.de>
1122         PR middle-end/35593
1123         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
1124         to not produce negative array indices if not allowed.  Add
1125         parameter to indicate that.
1126         (maybe_fold_offset_to_component_ref): Allow negative array
1127         indices only for the first member of a structure.
1128         (maybe_fold_offset_to_reference): Allow negative array indices.
1129         (maybe_fold_stmt_addition): Likewise.
1131 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
1132             Anatoly Sokolov <aesok@post.ru>
1134         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
1135         (avr_arch): Add ARCH_AVR6.
1136         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
1137         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
1138         instead of fixed value 2.
1139         (print_operand_address): Use gs() asm specifier instead of pm().
1140         (avr_assemble_integer): (Ditto.).
1141         (avr_output_addr_vec_elt): (Ditto.).
1142         (print_operand): Handle "!" code.
1143         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
1144         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
1145         (AVR_HAVE_EIJMP_EICALL): Define.
1146         (AVR_3_BYTE_PC): Redefine.
1147         (AVR_2_BYTE_PC): (Ditto.).
1148         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
1149         (LINK_SPEC): Add atmega2560 and atmega2561.
1150         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
1151         (crtm2561.o).
1152         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall 
1153         for 3 byte PC devices.
1154         (call_value_insn): (Ditto.).
1155         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
1156         (indirect_jump): Use only for for 2 byte PC devices.
1157         (*tablejump): (Ditto.).
1158         (*indirect_jump_avr6): Add insn.
1159         (*tablejump_rjmp): Don't use for 3 byte PC devices.
1160         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp 
1161         instead of ijmp for 3 byte PC devices.
1162         (__tablejump2__): (Ditto.).
1163         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
1164         (MULITLIB_DIRNAMES): (Ditto.). 
1165         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
1167 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
1169         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
1170         "sse2_umulsidi3".  Use V1DI mode for operand 0.
1171         ("mmx_psadbw"): Use V1DI mode for operand 0.
1172         * config/i386/i386-modes.def (V1SI): New vector mode.
1173         * config/i386/i386.c (struct builtin_description)
1174         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
1175         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
1176         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
1177         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
1178         v1di_ftype_v8qi_v8qi type.
1179         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
1181         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
1182         __builtin_ia32_pmuludq]: Fix the mode of return value.
1184 2008-03-15  Richard Guenther  <rguenther@suse.de>
1186         PR middle-end/35595
1187         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
1188         being a PHI_NODE.
1190 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
1191         
1192         * doc/invoke.texi (Option Summary, Xtensa Options): Document
1193         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
1194         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
1195         unless TARGET_SERIALIZE_VOLATILE is enabled.
1196         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
1197         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
1198         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
1200 2008-03-14  Richard Guenther  <rguenther@suse.de>
1202         PR tree-optimization/34172
1203         * tree-flow.h (refs_may_alias_p): Declare.
1204         (get_single_def_stmt): Likewise.
1205         (get_single_def_stmt_from_phi): Likewise.
1206         (get_single_def_stmt_with_phi): Likewise.
1207         * tree-dfa.c (refs_may_alias_p): New function.
1208         (get_single_def_stmt): Likewise.
1209         (get_single_def_stmt_from_phi): Likewise.
1210         (get_single_def_stmt_with_phi): Likewise.
1211         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
1212         (vn_reference_lookup_1): New helper function.
1213         (vn_reference_lookup): Walk the virtual use-def chain to
1214         continue searching for a match if the def does not alias the
1215         reference we are looking for.
1217 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
1219         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
1220         archive and Perzl.  Update The Written Word listing.
1222 2008-03-14  Richard Guenther  <rguenther@suse.de>
1224         PR tree-optimization/34043
1225         PR tree-optimization/33989
1226         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
1227         when doing FRE.
1228         (bitmap_find_leader): Use extra argument to verify dominance
1229         relationship inside a basic-block.
1230         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
1231         (find_leader_in_sets): Adjust.
1232         (create_component_ref_by_pieces): Take extra argument for
1233         dominance check, handle lookup failures.
1234         (find_or_generate_expression): Likewise.
1235         (create_expression_by_pieces): Likewise.
1236         (insert_into_preds_of_block): Adjust.
1237         (create_value_expr_from): If asked for, verify all operands
1238         are in the blocks AVAIL_OUT set.
1239         (make_values_for_stmt): Check for SSA_NAMEs that are life
1240         over an abnormal edge.
1241         (compute_avail): Remove such check.
1242         (do_SCCVN_insertion): New function.
1243         (eliminate): If we do not find a leader suitable for replacement
1244         insert a replacement expression from SCCVN if available.
1245         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
1246         (struct vn_ssa_aux): Add needs_insertion flag.
1247         * tree-ssa-sccvn.c (may_insert): New global flag.
1248         (copy_reference_ops_from_ref): Value-number union member access
1249         based on its size, not type and member if insertion is allowed.
1250         (visit_reference_op_load): For a weak match from union type
1251         punning lookup a view-converted value and insert a SSA_NAME
1252         for that value if that is not found.
1253         (visit_use): Make dumps shorter.  Do not disallow value numbering
1254         SSA_NAMEs that are life over an abnormal edge to constants.
1255         (free_scc_vn): Release inserted SSA_NAMEs.
1256         (run_scc_vn): New flag to specify whether insertion is allowed.
1257         Process SSA_NAMEs in forward order.
1258         * tree-ssa-loop-im.c (for_each_index): Handle invariant
1259         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
1260         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
1261         pointer type to/from integral types that do not change the
1262         precision to regular conversions.
1264 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1266         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1267         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1268         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
1269         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
1270         input arguments and the mode of return value.  Built-in functions
1271         that operate on whole 64-bit MMX register now use V1DI mode.
1273 2008-03-13  Alon Dayan  <alond@il.ibm.com>
1274             Olga Golovanevsky  <olga@il.ibm.com>
1276         PR tree-optimization/35041
1277         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
1278         to locate the right position in a statement.
1280 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
1282         PR target/34000
1283         PR target/35553
1284         * config/i386/xmmintrin.h:  Change all static inline functions to
1285         extern inline and add __gnu_inline__ attribute.
1286         * config/i386/bmintrin.h: Ditto.
1287         * config/i386/smmintrin.h: Ditto.
1288         * config/i386/tmmintrin.h: Ditto.
1289         * config/i386/mmintrin-common.h: Ditto.
1290         * config/i386/ammintrin.h: Ditto.
1291         * config/i386/emmintrin.h: Ditto.
1292         * config/i386/pmmintrin.h: Ditto.
1293         * config/i386/mmintrin.h: Ditto.
1294         * config/i386/mm3dnow.h: Ditto.
1296 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
1298         PR middle-end/35185
1299         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
1300         (lower_omp_2): New function.
1301         (lower_omp_1, lower_omp): Rewritten.
1303 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
1305         PR 35054
1306         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
1307         with the phrase "Microsoft Windows compilers".
1308         (Push/Pop Macro Pragmas): New subsection. Document
1309         #pragma push_macro and pragma pop_macro.
1311 2008-03-12  Paul Brook  <paul@codesourcery.com>
1313         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
1315 2008-03-12  Paul Brook  <paul@codesourcery.com>
1317         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
1318         (thumb2_alusi3_short): Exclude PLUS and MINUS.
1319         (thumb2_addsi_shortim): Rename ...
1320         (thumb2_addsi_short): ... to this.  Allow register operands.
1321         (thumb2_subsi_short): New pattern.
1322         (thumb2_one_cmplsi2_short,
1323         thumb2_negsi2_short): New patterns and peepholes.
1325 2008-03-12  Paul Brook  <paul@codesourcery.com>
1327         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
1329 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
1331         * config/i386/i386.md (int_cond): New code iterator.
1332         (fp_cond): Ditto.
1333         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
1334         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
1335         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
1336         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
1337         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
1338         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
1339         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
1340         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
1342 2008-03-12  Paul Brook  <paul@codesourcery.com>
1344         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
1345         instead of {arm,thumb}_compute_save_reg_mask.
1346         (output_return_instruction): Ditto.
1347         (thumb_unexpanded_epilogue): Ditto.
1348         (thumb1_expand_prologue): Ditto.
1349         (thumb1_output_function_prologue): Ditto.
1350         (arm_set_return_address): Ditto.
1351         (thumb_set_return_address): Ditto.
1352         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
1353         regs to achieve stack alignment.
1354         (thumb1_compute_save_reg_mask): Fix compiler warning.
1355         (arm_output_epilogue): Use offsets->saved_regs_mask.
1356         Adjust stack pointer by poping call clobered registers.
1357         (arm_expand_prologue): Use offsets->saved_regs_mask.
1358         Adjust stack pointer by pushing extra registers.
1359         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
1361 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
1363         PR tree-opt/35422
1364         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
1365         conversion to the operands of a multiplication.
1367 2008-03-12  Richard Guenther  <rguenther@suse.de>
1369         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
1370         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
1371         * timevar.def (TV_TREE_PHIPROP): Add.
1372         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
1373         pass description.  Use TV_TREE_PHIPROP.
1374         * tree-ssa-forwprop.c: Remove phiprop code.
1376 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
1378         PR middle-end/35549
1379         * omp-low.c (maybe_lookup_decl): Constify first argument.
1380         (use_pointer_for_field): Change last argument from bool to
1381         omp_context *.  Disallow shared copy-in/out in nested
1382         parallel if decl is shared in outer parallel too.
1383         (build_outer_var_ref, scan_sharing_clauses,
1384         lower_rec_input_clauses, lower_copyprivate_clauses,
1385         lower_send_clauses, lower_send_shared_vars): Adjust callers.
1387 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
1388             Ira Rosen  <irar@il.ibm.com>
1390         * tree-vectorizer.c (free_stmt_vec_info): New function.
1391         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1392         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1393         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1394         * tree-vect-transform.c (vectorizable_conversion): Free
1395         vec_oprnds0 if it was allocated.
1396         (vect_permute_store_chain): Remove unused VECs.
1397         (vectorizable_store): Free VECs that are allocated in the..
1398         function.
1399         (vect_transform_strided_load, vectorizable_load): Likewise.
1400         (vect_remove_stores): Simplify the code.
1401         (vect_transform_loop): Move code to vect_remove_stores().
1402         Call vect_remove_stores() and free_stmt_vec_info().
1404 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1406         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1407         TARGET_HPUX.  Revise comment.
1408         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1409         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1410         Use sr4 variant of `be' instruction when not generating PIC code.
1411         (attr_length_call): Adjust for above change.
1413 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1415         * ipa-reference.c (static_execute): Remove module_statics_const and
1416         associated setting code.
1418 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1420         PR target/35540
1421         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1422         predicate for operand 1.
1423         (paritysi2_cmp): Use register_operand predicate for operand 2.
1424         Use earlyclobber modifier for operand 1.  Remove support for
1425         memory operands.
1426         (paritydi2_cmp): Use register_operand predicate for operand 3.
1427         Use earlyclobber modifier for operand 1.  Remove support for
1428         memory operands.
1430 2008-03-11  Paul Brook  <paul@codesourcery.com>
1431             Vladimir Prus  <vladimir@codesourcery.com>
1433         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1434         (arm_compute_save_reg0_reg12_mask): Always
1435         check if register 11 must be saved.  Always safe hard frame pointer
1436         when frame_pointer_needeed.
1437         (arm_compute_save_reg_mask): Save IP and PC
1438         only with apcs frames.
1439         (arm_output_epilogue): Adjust Thumb2 codepath to
1440         be also invoked and work for ARM non-apcs frames.
1441         (arm_expand_prologue): Don't bother saving IP
1442         for non-apcs frame, since it's not clobbered by
1443         prologue code.  Implement non-apcs frame
1444         layout.
1446 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1448         PR rtl-optimization/35281
1449         * expr.c (convert_move): Use a new pseudo for the intermediate
1450         from_mode->word_mode result.
1452 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1454         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1455         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1456         * toplev.c (compile_file): Don't call it.
1458 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1460         PR middle-end/35526
1461         * expr.c (store_expr): Call emit_block_move if the mode
1462         of "temp" RTX is BLKmode.
1464 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1465             Richard Guenther  <rguenther@suse.de>
1467         PR tree-optimization/31358
1468         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1469         the step with a NULL_TREE.
1470         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1471         to sizetype if type is a pointer type.
1472         (add_candidate_1): Don't convert the base and step to
1473         the generic type if the orginal type is a pointer type.
1474         (add_iv_value_candidates): Use sizetype for the step
1475         if type is a pointer type.
1476         (cand_value_at): Likewise.
1477         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1478         for pointer types.
1479         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1480         Don't convert the tem affine to the type.
1481         (add_elt_to_tree): Use sizetype for the step if a pointer.
1482         Use POINTER_PLUS_EXPR for pointers.
1483         (aff_combination_to_tree): Use sizetype for the step if a
1484         pointer.
1486 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1488         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1489         Remove commutativity hint.
1491 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1493         PR c/35438
1494         PR c/35439
1495         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1496         errorneous type.  Check that v is a VAR_DECL.
1498         PR middle-end/35099
1499         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1501 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1503         PR tree-optimization/35494
1504         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1505         may be overriden at link and run time.
1507 2008-03-10  Richard Guenther  <rguenther@suse.de>
1509         PR tree-optimization/34677
1510         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1511         (poolify_tree): Likewise.
1512         (modify_expr_template): Likewise.
1513         (poolify_modify_stmt): Likewise.
1514         (insert_fake_stores): Handle all component-ref style stores
1515         in addition to INDIRECT_REF.  Also handle complex types.
1516         Do not poolify the inserted load.
1517         (realify_fake_stores): Do not rebuild the tree but only
1518         make it a SSA_NAME copy.
1519         (init_pre): Remove initialzation of modify_expr_template.
1520         Do not allocate modify_expr_node_pool.
1521         (fini_pre): Do not free modify_expr_node_pool.
1523 2008-03-10  Paul Brook  <paul@codesourcery.com>
1525         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1526         to avoid conflicts.
1528 2008-03-10  Paul Brook  <paul@codesourcery.com>
1529             Mark Shinwell  <shinwell@codesourcery.com>
1531         * config/arm/cortex-r4.md: New.
1532         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1533         insn attributes.
1534         * config/arm/arm.md: Include cortex-r4.md.
1535         (insn): Add smmls, sdiv and udiv values.
1536         (generic_sched): Don't use generic scheduling for Cortex-R4.
1537         (arm_issue_rate): New function.
1538         (TARGET_SCHED_ISSUE_RATE): Define.
1540 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1542         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1544 2008-03-10  Richard Guenther  <rguenther@suse.de>
1546         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1547         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1549 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1551         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1552         Set default to true.
1554 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1556         * c.opt (Wsynth): Deprecate.
1557         * doc/invoke.texi (Option Summary, Warning Options): Document
1558         -Wno-format-contains-nul.
1560 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1562         PR target/35496
1563         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1564         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1566 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1568         * config/rs6000/rs6000.c (builtin_description): Rename vector
1569         left shift operations.
1570         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1571         (altivec_vsl<VI_char>): Rename to ...
1572         (ashl<mode>3): ... new name.
1573         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1574         gen_ashlv4si3.
1575         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1577 2008-03-08  Richard Guenther  <rguenther@suse.de>
1579         * coverage.h (tree_coverage_counter_addr): Declare.
1580         * coverage.c (tree_coverage_counter_addr): New function.
1581         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1582         before using again.
1583         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1584         (tree_gen_one_value_profiler): Likewise.
1585         (tree_gen_ic_profiler): Likewise.
1586         (tree_gen_average_profiler): Likewise.
1587         (tree_gen_ior_profiler): Likewise.
1589 2008-03-08  Richard Guenther  <rguenther@suse.de>
1591         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1592         (vn_binary_op_insert): Likewise.
1593         (vn_unary_op_lookup): Likewise.
1594         (vn_unary_op_insert): Likewise.
1595         (vn_nary_op_lookup): Declare.
1596         (vn_nary_op_insert): Likewise.
1597         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1598         and binary hashes, use a single obstack for unary_op_pool
1599         and binary_op_pool.
1600         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1601         a single struct vn_nary_op_s.  Store tree code length and
1602         a variable number of operands.
1603         (struct vn_reference_op_struct): Remove unused op2.
1604         (vn_reference_op_eq): Do not compare op2.
1605         (vn_reference_op_compute_hash): Do not compute hash of op2.
1606         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1607         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1608         with vn_nary_op_compute_hash.
1609         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1610         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1611         vn_nary_op_lookup.
1612         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1613         vn_nary_op_insert.
1614         (visit_unary_op): Call nary functions.
1615         (visit_binary_op): Likewise.
1616         (process_scc): Adjust for struct vn_tables_s changes.
1617         (allocate_vn_table): Likewise.
1618         (free_vn_table): Likewise.
1619         * tree-vn.c (vn_add): Call nary functions.
1620         (vn_lookup): Likewise.
1622 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1624         PR target/35498
1625         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1626         wdst back after sync_compare_and_swapqhi_internal.
1628 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1630         PR target/22152
1631         * config/i386/i386-modes.def (V1DI): New vector mode.
1632         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1633         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1634         (MMXMODE248): Ditto.
1635         (MMXMODE): Add V1DI mode.
1636         (mmxvecsize): Change DI mode to V1DI mode.
1637         ("mov<mode>): Use MMXMODEI8 mode iterator.
1638         ("*mov<mode>_internal_rex64"): Ditto.
1639         ("*mov<mode>_internal"): Ditto.
1640         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1641         ("mmx_sub<mode>3"): Ditto.
1642         ("mmx_adddi3"): Remove insn pattern.
1643         ("mmx_subdi3"): Ditto.
1644         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1645         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1646         ("mmx_ashl<mode>3"): Ditto.
1647         ("mmx_lshrdi3"): Remove insn pattern.
1648         ("mmx_ashldi3"): Ditto.
1649         * config/i386/i386.c (classify_argument): Handle V1DImode.
1650         (function_arg_advance_32): Ditto.
1651         (function_arg_32): Ditto.
1652         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1653         mmx_addv1di3 insn pattern.
1654         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1655         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1656         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1657         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1658         Remove definitions of built-in functions.
1659         (V1DI_type_node): New node.
1660         (v1di_ftype_v1di_int): Ditto.
1661         (v1di_ftype_v1di_v1di): Ditto.
1662         (v2si_ftype_v2si_si): Ditto.
1663         (v4hi_ftype_v4hi_di): Remove node.
1664         (v2si_ftype_v2si_di): Ditto.
1665         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1666         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1667         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1668         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1669         Add new builtins using def_builtin_const.
1670         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1671         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1672         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1673         * config/i386/mmintrin.h (__v1di): New typedef.
1674         (_mm_add_si64): Cast arguments to __v1di type.
1675         (_mm_sub_si64): Ditto.
1676         (_mm_sll_pi16): Cast __count to __v4hi type.
1677         (_mm_sll_pi32): Cast __count to __v2si type.
1678         (_mm_sll_si64): Cast arguments to __v1di type.
1679         (_mm_srl_pi16): Cast __count to __v4hi type.
1680         (_mm_srl_pi32): Cast __count to __v2si type.
1681         (_mm_srl_si64): Cast arguments to __v1di type.
1682         (_mm_sra_pi16): Cast __count to __v4hi type.
1683         (_mm_sra_pi32): Cast __count to __v2si type.
1684         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1685         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1686         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1687         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1688         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1689         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1690         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1691         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1692         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1693         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1694         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1695         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1697 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1699         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1701 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1703         PR target/35373
1704         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1705         reg+const addressing for Altivec modes.  Don't generate reg+reg
1706         addressing for TFmode or TDmode quantities.
1708 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1710         * c-common.c (vector_types_convertible_p): Call langhook
1711         instead of comptypes.
1713 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1715         PR tree-opt/35402
1716         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1717         integral and scalar float variables which have a
1718         NULL DECL_INITIAL.
1720 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1722         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1723         dwarf_register_span hook when emitting unwind information for
1724         register-to-memory saves.
1725         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1726         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1728 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1730         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1731         for the same VAR_DECL.
1733 2008-03-06  Tom Tromey  <tromey@redhat.com>
1735         * treelang: Delete.
1736         * doc/standards.texi (Standards): Don't mention treelang.
1737         * doc/invoke.texi (Overall Options): Don't mention treelang.
1738         * doc/install.texi (Prerequisites): Don't mention bison or
1739         treelang.
1740         (Configuration): Don't mention treelang.
1741         (Building): Likewise.
1742         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1744 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1746         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1747         word-extractions out of a multi-word object.
1749 2008-03-06  Richard Guenther  <rguenther@suse.de>
1751         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1752         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1753         result type and precision.
1754         * expr.c (get_inner_reference): Set unsignedp based on the result
1755         type of BIT_FIELD_REF.
1756         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1757         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1758         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1759         for BIT_FIELD_REF.
1760         (sra_build_assignment): Likewise.
1761         (sra_build_elt_assignment): Likewise.
1762         (sra_explode_bitfield_assignment): Likewise.
1763         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1764         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1765         set BIT_FIELD_REF_UNSIGNED.
1766         (vectorizable_load): Likewise.
1768 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1770         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1771         at bb start.
1773 2008-03-06  Richard Guenther  <rguenther@suse.de>
1775         * alias.c (struct alias_set_entry): Move has_zero_child field
1776         to pack with alias_set.
1778 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1780         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1781         32bit host.
1783 2008-03-05  Ian Lance Taylor  <iant@google.com>
1785         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1787 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1789         * fwprop.c (update_df): Support width and offset parameters of
1790         df_ref_create.
1791         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1792         global_conflicts): Change DF_REF_EXTRACT to either
1793         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1794         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1795         * df-scan.c (df_ref_record, df_defs_record,
1796         df_ref_create_structure, df_def_record_1, df_uses_record,
1797         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1798         df_bb_refs_collect, df_entry_block_defs_collect,
1799         df_exit_block_uses_collect): Support new width and offset fields.
1800         (ref_extract_pool): New storage pool.
1801         (df_free_ref): New function.
1802         (df_reg_chain_unlink, df_free_collection_rec,
1803         df_sort_and_compress_refs): Call df_free_ref.
1804         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1805         of df_ref_extract.
1806         (df_ref_create_structure): Allocate df_ref_extract if offset and
1807         width fields are used.
1808         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1809         (df_uses_record): Get offset and width from ZERO_EXTRACT 
1810         and SIGN_EXTRACT.
1811         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1812         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1813         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1814         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1815         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1816         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1817         (df_ref_extract): New structure.
1818         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1819         (df_ref_create): Add width and offset parameters.
1820         
1821 2008-03-05  Richard Guenther  <rguenther@suse.de>
1823         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1824         Use ranges_overlap_p.
1825         (offset_overlaps_with_access): Rename
1826         to ranges_overlap_p and move ...
1827         * tree-flow-inline.h (ranges_overlap_p): ... here.
1829         * tree.h (get_inner_reference, handled_component_p): Update
1830         comments.
1832         * tree.h (record_component_aliases, get_alias_set,
1833         alias_sets_conflict_p, alias_sets_must_conflict_p,
1834         objects_must_conflict_p): Move declarations ...
1835         * alias.h (record_component_aliases, get_alias_set,
1836         alias_sets_conflict_p, alias_sets_must_conflict_p,
1837         objects_must_conflict_p): ... here.
1838         Include coretypes.h.
1839         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1841 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1843         * cfg.c: Include tree-flow.h.
1844         (remove_edge_raw): Call redirect_edge_var_map_clear.
1845         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1846         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1847         (redirect_edge_var_map_result): New.
1848         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1849         PENDING_STMT use with redirect_edge_var_map_*.
1850         * tree-ssa.c (edge_var_maps): New definition.
1851         (redirect_edge_var_map_add): New.
1852         (redirect_edge_var_map_clear): New.
1853         (redirect_edge_var_map_dup): New.
1854         (redirect_edge_var_map_vector): New.
1855         (redirect_edge_var_map_destroy): New.
1856         (ssa_redirect_edge): Replace PENDING_STMT use with
1857         redirect_edge_var_map_*.
1858         (flush_pending_stmts): Same.
1859         (delete_tree_ssa): Destroy edge var map.
1860         * tree-flow.h (struct _edge_var_map): New.
1861         Define edge_var_map vector type.
1862         Declare redirect_edge_var_map_* prototypes.
1863         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1864         * tree-cfg.c (reinstall_phi_args): Replace
1865         PENDING_STMT use with redirect_edge_var_map_*.
1867 2008-03-05  Richard Guenther  <rguenther@suse.de>
1869         PR tree-optimization/35472
1870         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1871         whose single use_stmt has a overlapping set of loaded and
1872         stored symbols as that use_stmt might be a noop assignment then.
1874 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1876         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1878 2008-03-05  Richard Guenther  <rguenther@suse.de>
1880         PR c++/35336
1881         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1882         should be constants.
1883         * tree-cfg.c (verify_expr): Verify it.
1884         * fold-const.c (fold_truthop): Remove code generating
1885         BIT_FIELD_REFs of structure bases.
1886         (fold_binary): Likewise.
1887         (fold_ternary): Position and size of BIT_FIELD_REFs are
1888         always host integers.
1889         (make_bit_field_ref): Remove.
1890         (optimize_bit_field_compare): Remove.
1891         (all_ones_mask_p): Remove.
1893 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1895         PR gcc/33009
1896         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1897         (split_block_and_df_analyze): New. Split basic block and rebuild
1898         dataflow.
1899         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1900         SPLIT_BLOCK.
1901         (split_pattern_seq): Likewise.
1902         (erase_matching_seqs): Likewise.
1903         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1905 2008-03-04  Geoff Keating  <geoffk@apple.com>
1907         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1908         declaration and code.
1909         (tree_invalid_nonnegative_warnv_p): Likewise.
1911 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1913         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1914         examples.  Truncate option-names then causing overfull hbox.
1916 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1918         PR target/35222
1919         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1920         on hpux10.
1921         * configure: Rebuilt.
1923 2008-03-04  Rafael Espindola  <espindola@google.com>
1925         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1926         (tree_unary_nonnegative_warnv_p): New.
1927         (tree_binary_nonnegative_warnv_p): New.
1928         (tree_single_nonnegative_warnv_p): New.
1929         (tree_invalid_nonnegative_warnv_p): New.
1930         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1932 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1934         PR 28322
1935         * opts.c (handle_option): Postpone 'unknown option' errors only for
1936         warning options.
1938 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1940         PR target/35453
1941         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1942         (_SIDD_XXX): This.
1944 2008-03-04  Rafael Espindola  <espindola@google.com>
1946         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1947         (tree_binary_nonzero_warnv_p): New.
1948         (tree_single_nonzero_warnv_p): New.
1949         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1951 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1953         PR middle-end/35456
1954         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1955         transformations for modes that have signed zeros.
1956         * ifcvt.c (noce_try_abs): Ditto.
1958 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1960         * config/i386/i386.c (override_options): Force
1961         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1963 2008-03-04  Jan Hubicka  <jh@suse.cz>
1965         PR c++/35262
1966         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1967         in last commit.
1969 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1971         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1972         label to probe the stack.
1974 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1976         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1977         (__gthr_win32_mutex_destroy): Declare.
1978         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1979         __gthr_win32_mutex_destroy.
1980         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1982 2008-03-03  Jan Hubicka  <jh@suse.cz>
1984         PR c++/35262
1985         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1986         aggressive on inlining cold calls.
1988 2008-03-03  Richard Guenther  <rguenther@suse.de>
1990         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1991         struct copies into the expression table.
1992         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1993         (try_to_simplify): Likewise.
1994         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1995         integral and pointer arguments which do not change the
1996         precision to NOP_EXPRs.
1997         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1998         VIEW_CONVERT_EXPR case.
2000 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
2002         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
2003         defined in a loop at depth 0 is invariant.
2004         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
2005         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
2006         be called at loop depth 0.
2008 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
2010         PR driver/35420
2011         * gcc.c (process_command): Update copyright notice dates.
2012         * gcov.c (print_version): Likewise.
2013         * gcov-dump.c (print_version): Likewise.
2014         * mips-tfile.c (main): Likewise.
2015         * mips-tdump.c (main): Likewise.
2017 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2019         PR 24924
2020         * c-common.c (flag_permissive): Delete.
2021         (constant_expression_warnings): Check flags first.
2022         (constant_expression_error): New.
2023         * c-common.h (flag_permissive): Delete.
2024         (constant_expression_error): Declare.
2025         * flags.h (flag_permissive): Declare. Update description.
2026         * diagnostic.c (pedwarn): Update.
2027         (permerror): New.
2028         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
2029         (permissive_error_kind): New.
2030         * toplev.c (flag_permissive): Define. Update description.
2031         * toplev.h (permissive_error_kind): Declare.
2032         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
2033         (pedwarn_c90): Use pedantic_warning_kind.
2034         * c-opts.c (c_common_post_options): flag_permissive does not affect
2035         flag_pedantic_errors.
2037 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
2039         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
2040         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
2041         __absvsi2, __absvDI2): Use unsigned arithmetic.
2043 2008-03-02  Andi Kleen  <ak@suse.de>
2044             Richard Guenther  <rguenther@suse.de>
2046         * struct-equiv.c: Remove file.
2047         * cfg_cleanup.c (condjump_equiv_p): Remove.
2048         * Makefile.in (OBJS-common): Remove struct-equiv.o.
2049         (struct-equiv.o): Remove rule.
2050         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
2051         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
2052         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
2054 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2056         * ifcvt.c (noce_process_if_block): Try to handle only the then
2057         block if the else block exists but isn't suitable.
2059 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2061         PR gcc/35063
2062         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
2063         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
2064         regression from previous patch.
2066 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
2068         PR gcc/35063
2069         * gthr.h: Add __gthread_mutex_destroy as a function that must be
2070         implemented.
2071         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
2072         * gthr-single.h (__gthread_mutex_destroy): Likewise.
2073         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
2074         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
2075         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
2076         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
2077         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
2078         (__gthread_mutex_destroy_function): Rename to
2079         __gthread_mutex_destroy.
2080         * gthr-dce.h (__gthread_mutex_destroy): Call
2081         pthread_mutex_destroy.
2082         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
2083         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
2084         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
2086 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2088         * df-scan.c (df_ref_chain_change_bb): Simplify.
2089         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
2090         set_block_for_insn if there's any change.
2091         * df.h ((df_insn_change_bb): Fix prototype.
2092         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
2093         df_insn_change_bb, don't call set_block_for_insn.
2094         * emit-rtl.c (reorder_insns): Likewise.
2095         * haifa-sched.c (move_insn): Likewise.
2097 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2099         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
2101 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
2103         * tree-flow-inline.h (next_readonly_imm_use): Return
2104         NULL_USE_OPERAND_P after the end.
2106 2008-03-01  Richard Guenther  <rguenther@suse.de>
2108         PR tree-optimization/35411
2109         * tree-sra.c (sra_build_assignment): Split conversion to
2110         final type to a separate statement if we are not assigning
2111         to a register.
2113 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2115         * fold-const.c (fold_convertible_p): Correct the logic to follow
2116         that in fold_convert().
2118 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
2120         PR c++/35315
2121         * tree-inline.c (build_duplicate_type): When we make a
2122         duplicate type, make it unique in the canonical types system.
2124 2008-02-29  Tom Tromey  <tromey@redhat.com>
2126         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
2127         input_file_stack_history, input_file_stack_restored): Remove.
2128         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2129         * input.h (struct file_stack): Remove.
2130         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
2131         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
2132         Likewise.
2133         * diagnostic.h (struct diagnostic_context) <last_module>: Change
2134         type.
2135         (diagnostic_last_module_changed): Add 'map' argument.
2136         (diagnostic_set_last_function): Likewise.
2137         * diagnostic.c (undiagnostic_report_current_module): Iterate using
2138         line map, not input_file_stack.
2139         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
2141 2008-02-29  Paul Brook  <paul@codesourcery.com>
2143         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
2145 2008-02-29  Paul Brook  <paul@codesourcery.com>
2147         * config/arm/ieee754-df.S (muldf3): Use RET macros.
2149 2008-02-29  Richard Guenther  <rguenther@suse.de>
2151         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
2152         vn_lookup_or_add.
2153         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
2154         value for comparing for a store match.
2155         (simplify_unary_expression): Do nothing for SSA_NAMEs.
2156         (try_to_simplify): Do not do a full-blown reference lookup.
2158 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2160         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
2161         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2163         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
2165 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
2167         * tree-loop-linear.c (try_interchange_loops): Compare memory access
2168         strides against cache sizes.
2170 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2172         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
2173         constant to fpul.
2175 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
2177         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
2178         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
2179         is smaller than the original promoted value.
2180         (simplify_subreg): If OP is a SUBREG, try to preserve its
2181         SUBREG_PROMOTED_VAR_P information.
2183 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
2185         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
2186         (VN_INFO_GET): Allocate new objects on the obstack.
2187         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
2188         for rpo_numbers_temp, for consistency.
2189         (free_scc_vn): Free the obstack.
2191 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
2193         * doc/invoke.texi: Document -ftree-loop-distribution.
2194         * tree-loop-distribution.c: New.
2195         * tree-pass.h (pass_loop_distribution): New.
2196         * graphds.h (struct graph): Add htab_t indices.
2197         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
2198         * tree-vectorizer.c (rename_variables_in_loop): Extern.
2199         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
2200         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
2201         * tree-data-ref.c (debug_data_dependence_relations): New.
2202         (dump_data_dependence_relation): Also print data references.
2203         (free_data_ref): Extern.
2204         (same_access_functions): Moved...
2205         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
2206         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2207         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
2208         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
2209         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
2210         (stmts_from_loop): Skip LABEL_EXPR.
2211         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
2212         New.
2213         (build_rdg): Initialize rdg->indices htab.
2214         (free_rdg, stores_from_loop, ref_base_address,
2215         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
2216         have_similar_memory_accesses_1, ref_base_address_1,
2217         remove_similar_memory_refs): New.
2218         * tree-data-ref.h: Depend on tree-chrec.h.
2219         (debug_data_dependence_relations, free_data_ref): Declared.
2220         (same_access_functions): ... here.
2221         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
2222         New.
2223         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
2224         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
2225         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
2226         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
2227         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
2228         rdg_vertex_for_stmt): Declared.
2229         (struct rdg_edge): Add level.
2230         (RDGE_LEVEL): New.
2231         (free_rdg, stores_from_loop, remove_similar_memory_refs,
2232         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
2233         Declared.
2234         (rdg_has_similar_memory_accesses): New.
2235         * tree-vect-analyze.c: Remove unused static decls.
2236         * lambda.h (dependence_level): New.
2237         * common.opt (ftree-loop-distribution): New.
2238         * tree-flow.h (mark_virtual_ops_in_bb, 
2239         slpeel_tree_duplicate_loop_to_edge_cfg,
2240         rename_variables_in_loop): Declared.
2241         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
2242         (OBJS-common): Add tree-loop-distribution.o.
2243         (tree-loop-distribution.o): New rule.
2244         * tree-cfg.c (mark_virtual_ops_in_bb): New.
2245         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
2246         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
2248 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
2250         PR target/33963
2251         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
2252         other than structures and unions.
2254 2008-02-28  Richard Guenther  <rguenther@suse.de>
2256         Revert:
2257         2008-02-26  Richard Guenther  <rguenther@suse.de>
2259         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2260         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2261         (lookup_decl_from_uid): Declare.
2262         (remove_decl_from_map): Likewise.
2263         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2264         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2265         (decl_for_uid_map): New global hashtable mapping DECL_UID
2266         to the decl tree.
2267         (init_ttree): Allocate it.
2268         (insert_decl_to_uid_decl_map): New helper function.
2269         (make_node_stat): Insert new decls into the map.
2270         (copy_node_stat): Likewise.
2271         (lookup_decl_from_uid): New function.
2272         (remove_decl_from_map): Likewise.
2273         (print_decl_for_uid_map_statistics): New helper.
2274         (dump_tree_statistics): Call it.
2276         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2277         (referenced_var_iterator): Adjust.
2278         (FOR_EACH_REFERENCED_VAR): Adjust.
2279         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2280         (num_referenced_vars): Adjust.
2281         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2282         (first_referenced_var): Remove.
2283         (end_referenced_vars_p): Likewise.
2284         (next_referenced_var): Likewise.
2285         (referenced_var_iterator_set): New helper function.
2286         * tree-dfa.c (referenced_var_lookup): Adjust.
2287         (referenced_var_check_and_insert): Likewise.
2288         (remove_referenced_var): Likewise.
2289         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2290         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2291         (verify_call_clobbering): Likewise.
2292         (verify_memory_partitions): Likewise.
2293         (init_tree_ssa): Allocate bitmap instead of hashtable for
2294         referenced_vars.
2295         (delete_tree_ssa): Adjust.
2296         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2297         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2298         (compute_tag_properties): Likewise.
2299         (set_initial_properties): Likewise.
2300         (find_partition_for): Likewise.
2301         (update_reference_counts): Likewise.
2302         (dump_may_aliases_for): Likewise.
2303         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2304         (add_call_clobber_ops): Likewise.
2305         (add_call_read_ops): Likewise.
2306         (get_asm_expr_operands): Likewise.
2307         * tree-into-ssa.c (dump_decl_set): Likewise.
2308         (update_ssa): Likewise.
2309         * tree-sra.c (scan_function): Likewise.
2310         (decide_instantiations): Likewise.
2311         (scalarize_parms): Likewise.
2312         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2313         (dsa_named_for): Likewise.
2314         * tree-ssa-structalias.c (update_alias_info): Likewise.
2315         (merge_smts_into): Likewise.
2317 2008-02-27  David Daney  <ddaney@avtrex.com>
2319         PR target/34409
2320         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
2321         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
2322         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
2323         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
2324         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
2326 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
2328         PR target/25477
2329         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
2330         (BUILT_IN_NEXTTOWARD): Remove.
2331         (BUILT_IN_NEXTTOWARDF): Ditto.
2332         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
2333         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
2335 2008-02-27  Tom Tromey  <tromey@redhat.com>
2337         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
2338         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
2340 2008-02-27  Jan Beulich  <jbeulich@novell.com>
2342         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
2343         update the respective field on newdecl.
2345 2008-02-27  Revital Eres  <eres@il.ibm.com>
2347         PR rtl-optimization/34999
2348         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
2349         crossing edges that ends with a call insn.
2350         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
2351         call insn and clear the EDGE_CROSSING flag of the crossing edge
2352         when fixing fallthru edges.
2354 2008-02-27  Richard Guenther  <rguenther@suse.de>
2356         PR middle-end/35390
2357         * fold-const.c (fold_unary): Return the correct argument,
2358         converted to the result type.
2360 2008-02-27  Richard Guenther  <rguenther@suse.de>
2362         PR middle-end/34971
2363         * expr.c (expand_expr_real_1): Assert on rotates that operate
2364         on partial modes.
2365         * fold-const.c (fold_binary): Use the types precision, not the
2366         bitsize of the mode if folding rotate expressions.  Build rotates
2367         only for full modes.
2369 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
2371         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
2372         and CPP_PRAGMA_EOL.
2373         * c-pragma.c (pragma_ns_name): New typedef.
2374         (registered_pp_pragmas): New variable.
2375         (c_pp_lookup_pragma): New function.
2376         (c_register_pragma_1): If flag_preprocess_only, do nothing
2377         for non-expanded pragmas, for expanded ones push pragma's
2378         namespace and name into registered_pp_pragmas vector.
2379         (c_invoke_pragma_handler): Register OpenMP pragmas even when
2380         flag_preprocess_only, don't register GCC pch_preprocess
2381         pragma if flag_preprocess_only.
2382         * c-opts.c (c_common_init): Call init_pragma even if
2383         flag_preprocess_only.
2384         * c-pragma.c (c_pp_lookup_pragma): New prototype.
2385         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
2386         cpp_register_pragma if flag_preprocess_only.
2388 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2390         PR c/28800
2391         * c-parser.c (c_parser_translation_unit): Warn for empty
2392         translation unit, not empty source file.
2394 2008-02-26  Paul Brook  <paul@codesourcery.com>
2396         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2397         operand for Thumb-2.
2398         * config/arm/arm.h (reg_class): Add CORE_REGS.
2399         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2400         (BASE_REG_CLASS): Use CORE_REGS.
2401         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2402         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2403         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2404         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2405         ARM_REGNO_OK_FOR_INDEX_P.
2406         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2407         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2408         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2409         (ldm/stm peepholes): Ditto.
2410         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2411         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2412         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2413         * config/arm/constraints.md: Enable "k" constraint on ARM.
2415 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2417         * config/rs6000/rs6000.c: Annotate cache line size field in all
2418         instances of struct processor_costs.
2420 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2422         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2423         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2424         jump_bypass): New counters.
2425         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2426         * dce.c (gate_ud_dce): Same.
2427         (gate_fast_dce): Same.
2428         * dse.c (gate_dse1): New function.
2429         (gate_dse2): New function.
2430         (gate_dse): Merge results of new gate functions.
2431         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2432         (gate_handle_jump_bypass): Add dbg_cnt.
2433         (gate_handle_gcse): Add dbg_cnt.
2434         * ifcvt.c (gate_handle_if_conversion): Same.
2435         (gate_handle_if_after_combine): Same.
2436         (gate_handle_if_after_reload): Same.
2437         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2439 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2441         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2442         line sizes.
2443         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2445 2008-02-26  Jason Merrill  <jason@redhat.com>
2447         PR c++/35315
2448         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
2449         alone if it's the naming decl for the type's main variant.
2451 2008-02-26  Tom Tromey  <tromey@redhat.com>
2453         * system.h (USE_MAPPED_LOCATION): Poison.
2454         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2455         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2456         (make_goto_expr_edges): Likewise.
2457         (remove_bb): Likewise.
2458         (execute_warn_function_return): Likewise.
2459         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2460         location_t.
2461         * c-common.c (fname_decl): Remove old location code.
2462         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2463         location code.
2464         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2465         variant.
2466         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2467         (gen_rtx_ASM_INPUT): Likewise.
2468         (gen_rtx_ASM_INPUT_loc): Likewise.
2469         (get_rtx_asm_OPERANDS): Remove.
2470         * cfglayout.c (insn_locators_alloc): Remove old location code.
2471         (set_curr_insn_source_location): Likewise.
2472         (curr_insn_locator): Likewise.
2473         * print-tree.c (print_node): Remove old location code.
2474         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2475         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2476         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2477         location_from_locus.
2478         (construct_exit_block): Remove old location code.
2479         * emit-rtl.c (force_next_line_note): Remove old location code.
2480         * profile.c (branch_prob): Remove old location code.
2481         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2482         LOC_LINE): Remove old-location variants.
2483         * langhooks.c (lhd_print_error_function): Remove old location
2484         code.
2485         * configure, config.in: Rebuilt.
2486         * configure.ac (--enable-mapped-location): Remove.
2487         * c-decl.c (c_init_decl_processing): Remove old location code.
2488         (finish_function): Likewise.
2489         * recog.c (decode_asm_operands): Remove old location code.
2490         * c-pch.c (c_common_read_pch): Remove old location code.
2491         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2492         variants.
2493         * gimple-low.c (lower_function_body): Remove old location code.
2494         * toplev.c (unknown_location): Remove.
2495         (push_srcloc): Remove old-location variant.
2496         (process_options): Remove old location code.
2497         (lang_dependent_init): Likewise.
2498         * input.h (UNKNOWN_LOCATION): Move definition.
2499         (location_t): Undeprecate.
2500         (source_locus): Remove.
2501         (location_from_locus): Remove.
2502         (struct location_s): Remove.
2503         Remove all old-location code.
2504         (input_line, input_filename): Remove.
2505         * final.c (final_scan_insn): Remove old location code.
2506         * diagnostic.c (diagnostic_build_prefix): Remove
2507         USE_MAPPED_LOCATION test.
2508         * tree.h (gimple_stmt) <locus>: Now a location_t.
2509         (tree_exp) <locus>: Likewise.
2510         (DECL_IS_BUILTIN): Remove old-location variant.
2511         (annotate_with_file_line, annotate_with_locus): Likewise.
2512         (expr_locus, set_expr_locus): Update.
2513         * tree.c (build1_stat): Remove old location code.
2514         (last_annotated_node): Remove.
2515         (annotate_with_file_line): Remove old-location variant.
2516         (annotate_with_locus): Likewise.
2517         (expr_location): Remove old location code.
2518         (set_expr_location): Likewise.
2519         (expr_has_location): Likewise.
2520         (expr_locus): Likewise.
2521         (set_expr_locus): Likewise.
2522         (expr_filename): Don't use location_from_locus.
2523         (expr_lineno): Likewise.
2524         * rtl-error.c (location_for_asm): Remove old location code.
2525         * c-lex.c (cb_line_change): Remove old location code.
2526         (fe_file_change): Likewise.
2527         (cb_def_pragma): Likewise.
2528         (c_lex_with_flags): Likewise.
2529         * gengtype.c (do_typedef): Don't special-case location types.
2530         (define_location_structures): Remove.
2531         (main): Don't call define_location_structures.
2532         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2533         code.
2535 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2537         PR 26264
2538         * builtins.def (BUILT_IN_STDARG_START): Remove.
2539         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2540         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2541         * tree-inline.c (inline_forbidden_p_1): Likewise.
2542         
2543 2008-02-26  Richard Guenther  <rguenther@suse.de>
2545         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2546         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2547         (lookup_decl_from_uid): Declare.
2548         (remove_decl_from_map): Likewise.
2549         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2550         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2551         (decl_for_uid_map): New global hashtable mapping DECL_UID
2552         to the decl tree.
2553         (init_ttree): Allocate it.
2554         (insert_decl_to_uid_decl_map): New helper function.
2555         (make_node_stat): Insert new decls into the map.
2556         (copy_node_stat): Likewise.
2557         (lookup_decl_from_uid): New function.
2558         (remove_decl_from_map): Likewise.
2559         (print_decl_for_uid_map_statistics): New helper.
2560         (dump_tree_statistics): Call it.
2562         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2563         (referenced_var_iterator): Adjust.
2564         (FOR_EACH_REFERENCED_VAR): Adjust.
2565         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2566         (num_referenced_vars): Adjust.
2567         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2568         (first_referenced_var): Remove.
2569         (end_referenced_vars_p): Likewise.
2570         (next_referenced_var): Likewise.
2571         (referenced_var_iterator_set): New helper function.
2572         * tree-dfa.c (referenced_var_lookup): Adjust.
2573         (referenced_var_check_and_insert): Likewise.
2574         (remove_referenced_var): Likewise.
2575         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2576         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2577         (verify_call_clobbering): Likewise.
2578         (verify_memory_partitions): Likewise.
2579         (init_tree_ssa): Allocate bitmap instead of hashtable for
2580         referenced_vars.
2581         (delete_tree_ssa): Adjust.
2582         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2583         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2584         (compute_tag_properties): Likewise.
2585         (set_initial_properties): Likewise.
2586         (find_partition_for): Likewise.
2587         (update_reference_counts): Likewise.
2588         (dump_may_aliases_for): Likewise.
2589         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2590         (add_call_clobber_ops): Likewise.
2591         (add_call_read_ops): Likewise.
2592         (get_asm_expr_operands): Likewise.
2593         * tree-into-ssa.c (dump_decl_set): Likewise.
2594         (update_ssa): Likewise.
2595         * tree-sra.c (scan_function): Likewise.
2596         (decide_instantiations): Likewise.
2597         (scalarize_parms): Likewise.
2598         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2599         (dsa_named_for): Likewise.
2600         * tree-ssa-structalias.c (update_alias_info): Likewise.
2601         (merge_smts_into): Likewise.
2603 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2605         PR 34351
2606         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2607         * c-opts.c (c_common_handle_option): Wall enables
2608         Wvolatile-register-var.
2609         * common.opt: Move Wvolatile-register-var to...
2610         * c.opt: ...here.
2611         
2612 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2614         * common.opt (Wlarger-than=): New.
2615         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2616         -Wlarger-than=.
2617         * opts.c (common_handle_option): Handle -Wlarger-than=.
2618         * optc-gen.awk: Likewise.
2619         * opth-gen.awk: Likewise.
2620         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2621         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2622         
2623 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2625         * c-common.c (match_case_to_enum_1): Add appropriate
2626         OPT_W* parameter to warning.
2627         (c_do_switch_warnings): Likewise.
2628         * c-typeck.c (warning_init): Add one more parameter following
2629         'warning' function.
2630         (push_init_level): Update call to warning_init.
2631         (pop_init_level): Likewise.
2632         (add_pending_init): Likewise.
2633         (output_init_element: Likewise.
2635 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2637         PR 28322
2638         * toplev.c (toplev_main): If there are warnings or error, print
2639         errors for ignored options.
2640         * opts.c (ignored_options): New static variable.
2641         (postpone_unknown_option_error): New.
2642         (print_ignored_options): New.
2643         (handle_option): Postpone errors for unknown -Wno-* options.
2644         * opts.h (print_ignored_options): Declare.
2645         
2646 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2648         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2649         to "ghost".
2651 2008-02-25  Richard Guenther  <rguenther@suse.de>
2653         Revert:
2654         2008-02-25  Richard Guenther  <rguenther@suse.de>
2656         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2657         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2658         (lookup_decl_from_uid): Declare.
2659         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2660         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2661         (decl_for_uid_map): New global hashtable mapping DECL_UID
2662         to the decl tree.
2663         (init_ttree): Allocate it.
2664         (insert_decl_to_uid_decl_map): New helper function.
2665         (make_node_stat): Insert new decls into the map.
2666         (copy_node_stat): Likewise.
2667         (lookup_decl_from_uid): New function.
2668         (print_decl_for_uid_map_statistics): New helper.
2669         (dump_tree_statistics): Call it.
2671         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2672         (referenced_var_iterator): Adjust.
2673         (FOR_EACH_REFERENCED_VAR): Adjust.
2674         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2675         (num_referenced_vars): Adjust.
2676         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2677         (first_referenced_var): Remove.
2678         (end_referenced_vars_p): Likewise.
2679         (next_referenced_var): Likewise.
2680         (referenced_var_iterator_set): New helper function.
2681         * tree-dfa.c (referenced_var_lookup): Adjust.
2682         (referenced_var_check_and_insert): Likewise.
2683         (remove_referenced_var): Likewise.
2684         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2685         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2686         (verify_call_clobbering): Likewise.
2687         (verify_memory_partitions): Likewise.
2688         (init_tree_ssa): Allocate bitmap instead of hashtable for
2689         referenced_vars.
2690         (delete_tree_ssa): Adjust.
2691         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2692         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2693         (compute_tag_properties): Likewise.
2694         (set_initial_properties): Likewise.
2695         (find_partition_for): Likewise.
2696         (update_reference_counts): Likewise.
2697         (dump_may_aliases_for): Likewise.
2698         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2699         (add_call_clobber_ops): Likewise.
2700         (add_call_read_ops): Likewise.
2701         (get_asm_expr_operands): Likewise.
2702         * tree-into-ssa.c (dump_decl_set): Likewise.
2703         (update_ssa): Likewise.
2704         * tree-sra.c (scan_function): Likewise.
2705         (decide_instantiations): Likewise.
2706         (scalarize_parms): Likewise.
2707         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2708         (dsa_named_for): Likewise.
2709         * tree-ssa-structalias.c (update_alias_info): Likewise.
2710         (merge_smts_into): Likewise.
2712 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2714         PR fortran/29549
2715         * doc/invoke.texi (-fcx-limited-range): Document new option.
2716         * toplev.c (process_options): Handle -fcx-fortran-rules.
2717         * common.opt: Add documentation for -fcx-fortran-rules.
2719 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2721         PR c/35162
2722         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2723         actual behaviour and C99.
2724         
2725 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2727         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2728         (ASM_CPU_POWER6_SPEC): Likewise.
2729         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2730         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2731         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2733 2008-02-25  Richard Guenther  <rguenther@suse.de>
2735         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2736         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2737         (lookup_decl_from_uid): Declare.
2738         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2739         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2740         (decl_for_uid_map): New global hashtable mapping DECL_UID
2741         to the decl tree.
2742         (init_ttree): Allocate it.
2743         (insert_decl_to_uid_decl_map): New helper function.
2744         (make_node_stat): Insert new decls into the map.
2745         (copy_node_stat): Likewise.
2746         (lookup_decl_from_uid): New function.
2747         (print_decl_for_uid_map_statistics): New helper.
2748         (dump_tree_statistics): Call it.
2750         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2751         (referenced_var_iterator): Adjust.
2752         (FOR_EACH_REFERENCED_VAR): Adjust.
2753         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2754         (num_referenced_vars): Adjust.
2755         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2756         (first_referenced_var): Remove.
2757         (end_referenced_vars_p): Likewise.
2758         (next_referenced_var): Likewise.
2759         (referenced_var_iterator_set): New helper function.
2760         * tree-dfa.c (referenced_var_lookup): Adjust.
2761         (referenced_var_check_and_insert): Likewise.
2762         (remove_referenced_var): Likewise.
2763         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2764         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2765         (verify_call_clobbering): Likewise.
2766         (verify_memory_partitions): Likewise.
2767         (init_tree_ssa): Allocate bitmap instead of hashtable for
2768         referenced_vars.
2769         (delete_tree_ssa): Adjust.
2770         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2771         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2772         (compute_tag_properties): Likewise.
2773         (set_initial_properties): Likewise.
2774         (find_partition_for): Likewise.
2775         (update_reference_counts): Likewise.
2776         (dump_may_aliases_for): Likewise.
2777         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2778         (add_call_clobber_ops): Likewise.
2779         (add_call_read_ops): Likewise.
2780         (get_asm_expr_operands): Likewise.
2781         * tree-into-ssa.c (dump_decl_set): Likewise.
2782         (update_ssa): Likewise.
2783         * tree-sra.c (scan_function): Likewise.
2784         (decide_instantiations): Likewise.
2785         (scalarize_parms): Likewise.
2786         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2787         (dsa_named_for): Likewise.
2788         * tree-ssa-structalias.c (update_alias_info): Likewise.
2789         (merge_smts_into): Likewise.
2791 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2793         PR target/35258
2794         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2795         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2796         * alias.h (nonoverlapping_memrefs_p): Likewise.
2798 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2800         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2801         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2802         __emultls_get_address, __emultls_register_common,
2803         __floatundi?f, and _Unwind_GetIPInfo.
2804         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2805         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2806         (gen_regparm_prefix): Likewise.
2807         (i386_nlm_encode_section_info): Sync with
2808         config/i386/winnt.c:i386_pe_encode_section_info().
2809         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2810         i386_nlm_mangle_decl_assembler_name): New.
2811         (netware_override_options): New.
2812         * config/i386/netware.h (netware_override_options): Declare.
2813         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2814         (i386_nlm_mangle_decl_assembler_name): Declare.
2815         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2817 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2819         PR other/32948
2820         * c-decl.c (grokdeclarator): Remove unused local variables
2821         `typedef_type' and `type_as_written'.
2822         * bb-reorder.c
2823         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2824         unused local variable `has_hot_blocks'.
2825         (fix_crossing_conditional_branches): Remove unused local variable
2826         `prev_bb'.
2827         
2828 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2830         PR middle-end/19984
2831         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2832         using DEF_C99_BUILTIN.
2833         (BUILT_IN_NANF): Ditto.
2834         (BUILT_IN_NANL): Ditto.
2836 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2837             Revital Eres  <eres@il.ibm.com>
2839         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2840         regarding the order of two dependent insns in the same row.
2842 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2844         * stor-layout.c (layout_decl): Do not bump the alignment of a
2845         bit-field to more than byte alignment if it is packed.
2847 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2849         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2850         e300c2 and e300c3.
2852 2008-02-24  Diego Novillo  <dnovillo@google.com>
2854         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2856         PR 33738
2857         * tree-vrp.c (vrp_evaluate_conditional): With
2858         -Wtype-limits, emit a warning when comparing against a
2859         constant outside the natural range of OP0's type.
2860         * c.opt (Wtype-limits): Move ...
2861         * common.opt (Wtype-limits): ... here.
2863 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2865         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2866         * config/rs6000/e300c2c3.md: New file.
2867         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2868         e300c2 and e300c3.
2869         (rs6000_override_options): Add e300c2 and e300c3 cases to
2870         processor_target_table. Do not allow usage of Altivec or Spe
2871         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2872         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2873         * config/rs6000/rs6000.h (processor_type): Add
2874         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2875         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2876         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2877         and ppce300c3. Include e300c2c3.md.
2879 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2881         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2882         instead of TARGET_STRICT_ALIGN.
2884 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2886         * explow.c (memory_address): Assert that the generated address is
2887         valid.
2889 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2891         PR target/25477
2892         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2893         * config/darwin-ppc-ldouble-patch.def: New file.
2894         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2895         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2896         SUBTARGET_INIT_BUILTINS if defined.
2897         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2898         New functions.
2900 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2902         PR rtl-opt/33512
2903         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2904         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2906 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2908         PR pch/35027
2909         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2910         file" warning condtional on -Winvalid-PCH.
2912 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2914         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2916 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2918         PR target/22076
2919         PR target/34256 
2920         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2921         prevent reload from using MMX registers.
2922         (*mov<mode>_internal): Ditto.
2923         (*movv2sf_internal_rex64): Ditto.
2924         (*movv2sf_internal): Ditto.
2926 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2928         PR documentation/31569
2929         * doc/install.texi2html: Use makeinfo --no-number-sections.
2931 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2933         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2934         ensure that we can address an entire entity > 8 bytes.  Don't
2935         generate reg+reg addressing for such data.
2937 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2939         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2940         strings when optimizing for size, unless the target cares about
2941         alignment.
2943 2008-02-22  Tom Tromey  <tromey@redhat.com>
2945         * regclass.c (current_pass): Remove declaration.
2947 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2949         * config/avr/libgcc.S (__RAMPZ__): Define.
2950         (__do_copy_data): Add for devices with 128KB code memory.
2952 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2954         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2955         Use spe_abi.
2956         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2958 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2960         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2961         GENNONACR_REGS.
2963 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2965         PR c/19999
2966         * c-typeck.c (build_binary_op): Warn about floating point
2967         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2969 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2971         PR target/34526
2972         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2973         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2974         add vrsave.
2975         (rs6000_override_options): Set altivec_abi as default, not override,
2976         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2977         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2978         is used; use new member spe_abi.
2979         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2980         spe_abi and altivec_abi.
2982 2008-02-22  Tomas Bily  <tbily@suse.cz>
2984         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2986 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2988         PR bootstrap/35273
2989         * config.build (build_file_translate): Set to `CMD //c' only if
2990         it works.
2991         * Makefile.in (build_file_translate): Improve comment.
2993 2008-02-21  Jan Hubicka  <jh@suse.cz>
2995         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2996         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2997         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2999 2008-02-21  Michael Matz  <matz@suse.de>
3001         PR target/35264
3002         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
3004 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
3006         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
3007         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
3008         as insn constraint.
3009         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
3010         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
3011         SSE_VEC_FLOAT_MODE_P as insn constraint.
3012         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
3013         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
3014         sse4a_movntdf using MODEF mode iterator.
3015         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
3016         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
3017         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
3018         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
3019         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
3020         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
3021         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
3023 2008-02-21  Richard Guenther  <rguenther@suse.de>
3025         * tree.def (PAREN_EXPR): New tree code.
3026         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
3027         and PAREN_EXPR.
3028         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
3029         * expr.c (expand_expr_real_1): Likewise.
3030         * tree-inline.c (estimate_num_insns_1): Likewise.
3031         * tree-complex.c (expand_complex_move): Likewise.
3032         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
3033         as plain x.
3035 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3037         PR target/35225
3038         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
3040 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3042         PR target/35190
3043         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
3045         * config/sh/sh.c (find_barrier): Don't go past
3046         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
3048 2008-02-20  DJ Delorie  <dj@redhat.com>
3050         * config/h8300/h8300.md (insv): Force source operand to be a register.
3052         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
3053         as a jump, not as a plain insn.
3054         
3055 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
3057         * doc/invoke.texi (Warning Options): Add new option
3058         -Wframe-larger-than=.
3059         (-Wframe-larger-than): Document.
3061         * flags.h (warn_frame_larger_than, frame_larger_than_size):
3062         Add declarations for new option variables.
3064         * final.c (final_start_function): Check the frame size
3065         before emission and issue a Wframe-larger-than warning.
3067         * opts.c (warn_frame_larger_than, frame_larger_than_size):
3068         Add definitions for new option variables.
3069         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
3071         * common.opt (Wframe-larger-than=): New option.
3073 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3075         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
3076         (<sse>_div<mode>3): Ditto.
3077         (<sse>_vmdiv<mode>3): Ditto.
3078         (<sse>_vmsqrt<mode>2): Ditto.
3079         (*smax<mode>3): Ditto.
3080         (sse5_frcz<mode>2): Ditto.
3081         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
3082         as insn constraint.
3084 2008-02-20  Richard Guenther  <rguenther@suse.de>
3086         PR middle-end/35265
3087         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
3088         be happy with INTEGRAL_TYPE_P.
3090 2008-02-20  Richard Guenther  <rguenther@suse.de>
3092         * fold-const.c (split_tree): Associate floatig-point expressions
3093         if flag_associative_math is set.
3095 2008-02-20  Richard Guenther  <rguenther@suse.de>
3097         * tree.h (fold_real_zero_addition_p): Declare.
3098         * fold-const.c (fold_real_zero_addition_p): Export.
3099         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
3100         floating-point operations with zero and one.
3102 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
3104         * doc/install.texi: Correct references to CFLAGS, replacing them
3105         with BOOT_CFLAGS.  Document flags used during bootstrap for
3106         target libraries.
3107                                 
3108 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
3110         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
3111         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
3112         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
3113         insn constraint.
3114         (smin<mode>3): Ditto from similar patterns.
3115         (smax<mode>3): Ditto.
3116         (*ieee_smin<mode>3): Ditto.
3117         (*ieee_smax<mode>3): Ditto.
3118         * config/i386/sse.md (sse): New mode attribute.
3119         (mov<mode>): Macroize expander from movv4sf and movv2df using
3120         SSEMODEF2P mode iterator.
3121         (<sse>_movnt<mode>): Ditto from similar patterns. Use
3122         SSE_VEC_FLOAT_MODE_P as insn constraint.
3123         (storent<mode>): Ditto.
3124         (storent<mode>): Macroize expander from storentsf and storentdf using
3125         MODEF mode iterator.
3126         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
3127         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
3128         (abs<mode>2): Ditto from similar patterns.
3129         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
3130         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
3131         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
3132         (<sse>_vmsqrt<mode>2): Ditto.
3133         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
3134         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
3135         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
3136         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
3137         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
3138         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
3139         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
3140         insn constraint.
3141         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
3142         iterator and SSE_FLOAT_MODE_P as insn constraint.
3143         (<sse>_ucomi): Ditto from similar patterns.
3144         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
3145         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
3146         SSE_VEC_FLOAT_MODE_P as insn constraint.
3147         (vcond<mode>): Ditto from similar patterns.
3148         (and<mode>3, *and<mode>3): Ditto.
3149         (<sse>_nand<mode>3): Ditto.
3150         (ior<mode>3, *ior<mode>3): Ditto.
3151         (xor<mode>3, *xor<mode>3): Ditto.
3152         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
3153         iterator and SSE_FLOAT_MODE_P as insn constraint.
3154         (*nand<mode>3): Ditto from similar patterns.
3155         (*ior<mode>3): Ditto.
3156         (*xor<mode>3): Ditto.
3158 2008-02-20  Ira Rosen  <irar@il.ibm.com>
3160         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
3161         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
3162         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
3164 2008-02-19  Jan Hubicka  <jh@suse.cz>
3166         * predict.c (tree_bb_level_predictions): Remove variable next
3167         mistakely introduced by previous commit.
3169 2008-02-19  Jan Hubicka  <jh@suse.cz>
3171         * predict.c (predict_paths_leading_to): Rewrite.
3172         (predict_paths_for_bb): New.
3173         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
3175 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3177         PR bootstrap/35218
3178         * Makefile.in (build_file_translate): New.
3179         (gcc-vers.texi): Use it for translating $(abs_srcdir).
3180         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
3181         * configure.ac (build_file_translate): Substitute it.
3182         * configure: Regenerate.
3184 2008-02-19  Jan Hubicka  <jh@suse.cz>
3186         PR rtl-optimization/34408
3187         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
3188         invalid sharing.
3190 2008-02-19  Jan Hubicka  <jh@suse.cz>
3192         PR middle-end/28779
3193         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
3194         call_expr.
3196 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
3198         PR Ada/35186
3199         * config/i386/i386-modes.def: Revert the last DI alignment
3200         change until Ada people can look into it.
3202 2008-02-19  Nick Clifton  <nickc@redhat.com>
3204         * opts.c (print_specific_help): Fix typo in --help text.
3206 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
3208         PR target/35239
3209         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
3210         32-bit inline asm without asm alternatives for host GCC < 3.0.
3212 2008-02-19  Richard Guenther  <rguenther@suse.de>
3214         PR tree-optimization/34989
3215         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
3216         Allow propagation to INDIRECT_REF if we can simplify only.
3218 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3220         * c-common.c (warn_for_collisions_1): Use appropriate option when
3221         warning.
3223 2008-02-19  Nick Clifton  <nickc@redhat.com>
3225         PR other/31349
3226         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
3227         (handle_options): Fix indentation.
3228         (print_filtered_help): If no language-specific options were
3229         displayed tell the user how to list all the options supported by
3230         the language's front-end.
3231         (print_specific_help): Fix indentation and remove duplicate line.
3232         (common_handle_option): Handle the -v option.
3233         For --help enable the display of undocumented options if the -v
3234         switch has been included on the command line.
3235         For --help= check for overlaps in the arguments between the option
3236         classes and the language names and issue a warning when they
3237         cannot be disambiguated.
3238         * c.opt (v): Pass on to the common option handler.
3240 2008-02-19  Revital Eres  <eres@il.ibm.com> 
3242         * modulo-sched.c (sms_schedule): Change dump message when
3243         create_ddg function fails.
3244         (try_scheduling_node_in_cycle): Rename row to cycle.
3245         (print_partial_schedule): Rename CYCLE to ROW.
3247 2008-02-19  Christian Bruel  <christian.bruel@st.com>
3248             Zdenek Dvorak  <ook@ucw.cz>
3250         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
3252 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3254         PR target/33555
3255         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
3256         (*x86_movdicc_0_m1_se): Ditto.
3258 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
3260         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
3261         (CMPtype): Define as __gcc_CMPtype.
3262         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
3263         (CMPtype): Define as __gcc_CMPtype.
3265 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
3267         Support valgrind 3.3 for --enable-checking=valgrind.
3268         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
3269         here.
3270         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
3271         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
3272         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
3273         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
3274         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
3275         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
3276         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
3277         respectively.
3278         * ggc-zone.c: Similar.
3279         * ggc-page.c: Similar.
3281 2008-02-19  Paul Brook  <paul@codesourcery.com>
3283         PR target/35071
3284         * config/arm/ieee754-df.S: Fix do_it typo.
3285         * config/arm/ieee754-sf.S: Fix do_it typo.
3287 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3289         PR target/35189
3290         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
3291         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
3292         (OPTION_MASK_ISA_SSE_SET): Likewise.
3293         (OPTION_MASK_ISA_SSE2_SET): Likewise.
3294         (OPTION_MASK_ISA_SSE3_SET): Likewise.
3295         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
3296         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
3297         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
3298         (OPTION_MASK_ISA_SSE4_SET): Likewise.
3299         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
3300         (OPTION_MASK_ISA_SSE5_SET): Likewise.
3301         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
3302         (OPTION_MASK_ISA_MMX_UNSET): Updated.
3303         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
3304         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3305         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3306         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3307         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3308         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3309         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3310         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
3311         (OPTION_MASK_ISA_SSE4): Removed.
3312         (ix86_handle_option): Turn on bits in ix86_isa_flags and
3313         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
3314         (override_options): Don't turn on implied SSE/MMX bits in
3315         ix86_isa_flags.
3317 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
3319         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3320         32bit host.
3322 2008-02-18  Joey Ye  <joey.ye@intel.com>
3324         PR middle-end/34921
3325         * tree-nested.c (insert_field_into_struct): Set type alignment
3326         to field alignment if the former is less than the latter.
3328 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
3330         * BASE-VER: Set to 4.4.0.
3332 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3334         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
3335         * doc/cfg.texi: Likewise.
3336         * doc/extend.texi: Likewise.
3337         * doc/gty.texi: Likewise.
3338         * doc/invoke.texi: Likewise.
3339         * doc/loop.texi: Likewise.
3340         * doc/md.texi: Likewise.
3341         * doc/passes.texi: Likewise.
3342         * doc/rtl.texi: Likewise.
3343         * doc/sourcebuild.texi: Likewise.
3344         * doc/tm.texi: Likewise.
3345         * doc/tree-ssa.texi: Likewise.
3347 2008-02-17  Richard Guenther  <rguenther@suse.de>
3349         PR middle-end/35227
3350         * tree-complex.c (init_parameter_lattice_values): Handle parameters
3351         without default definition.
3353 2008-02-17  Richard Guenther  <rguenther@suse.de>
3355         PR tree-optimization/35231
3356         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
3357         if A | B != 1.
3359 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
3361         Revert:
3362         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
3363         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3364         libgcc_cmp_return mode.
3366 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3368         PR c/28368
3369         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
3371 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
3373         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
3374         multilibs.
3376 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3378         * doc/c-tree.texi: Use `@.' where appropriate.
3379         * doc/extend.texi: Likewise.
3380         * doc/install.texi: Likewise.
3381         * doc/invoke.texi: Likewise.
3382         * doc/loop.texi: Likewise.
3383         * doc/makefile.texi: Likewise.
3384         * doc/md.texi: Likewise.
3385         * doc/passes.texi: Likewise.
3386         * doc/standards.texi: Likewise.
3387         * doc/tm.texi: Likewise.
3389 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3391         PR middle-end/35196
3392         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3393         in entry_bb.
3394         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3395         rather than in entry_bb.
3397 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3399         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3400         libgcc_cmp_return mode.
3402 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3404         PR middle-end/35130
3405         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3406         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3408 2008-02-15  Richard Guenther  <rguenther@suse.de>
3409             Zdenek Dvorak  <ook@ucw.cz>
3411         PR tree-optimization/35164
3412         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3413         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3414         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3415         Only propagate addresses which do not have abnormal SSA_NAMEs
3416         in their operands.
3418 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3420         PR target/35088
3421         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3423 2008-02-15  Jan Hubicka  <jh@suse.cz>
3425         PR middle-end/35149
3426         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3428 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3430         PR middle-end/34621
3431         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3432         when calculating alignment_pad.
3434 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3436         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3437         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3438         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3439         and STACK_BOUNDARY define.
3441 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3443         PR preprocessor/35061
3444         * c-pragma.c (handle_pragma_pop_macro): Check that
3445         pushed_macro_table has been allocated.
3447 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3449         PR middle-end/35136
3450         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3451         (force_gimple_operand): Likewise.
3452         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3453         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3454         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3455         (find_interesting_uses_address): Check addressability and alignment
3456         of the base expression only after substituting bases of IVs into it.
3458 2008-02-14  Michael Matz  <matz@suse.de>
3460         PR target/34930
3461         * function.c (instantiate_virtual_regs_in_insn): Reload address
3462         before falling back to reloading the whole operand.
3464 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3466         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3467         before the first section switch note.
3469 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3471         * doc/bugreport.texi: Update copyright years.
3472         * doc/c-tree.texi: Likewise.
3473         * doc/cfg.texi: Likewise.
3474         * doc/cpp.texi: Likewise.
3475         * doc/cppinternals.texi: Likewise.
3476         * doc/fragments.texi: Likewise.
3477         * doc/frontends.texi: Likewise.
3478         * doc/gcc.texi: Likewise.
3479         * doc/gty.texi: Likewise.
3480         * doc/hostconfig.texi: Likewise.
3481         * doc/implement-c.texi: Likewise.
3482         * doc/libgcc.texi: Likewise.
3483         * doc/loop.texi: Likewise.
3484         * doc/makefile.texi: Likewise.
3485         * doc/options.texi: Likewise.
3486         * doc/passes.texi: Likewise.
3487         * doc/rtl.texi: Likewise.
3488         * doc/sourcebuild.texi: Likewise.
3489         * doc/standards.texi: Likewise.
3490         * doc/tree-ssa.texi: Likewise.
3491         * doc/trouble.texi: Likewise.
3493         * doc/extend.texi: Use @: or add comma where appropriate.
3494         * doc/invoke.texi: Likewise.
3495         * doc/tm.texi: Likewise.
3497 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3499         PR target/34393
3500         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3501         to a reg.
3503 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3505         * doc/md.texi (clz, ctz): Add reference.
3506         * doc/rtl.texi (clz, ctz): Likewise.
3508 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3510         PR other/35148
3511         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3512         srcdir.
3514 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3516         * config/s390/s390.c (struct constant_pool): New field
3517         emit_pool_after added.
3518         (s390_mainpool_start): Set the emit_pool_after flag according
3519         to the section switch notes.
3520         (s390_mainpool_finish): Consider emit_pool_after when emitting
3521         the literal pool at the end of the function.
3522         (s390_chunkify_start): Force literal pool splits at section
3523         switch notes.
3525 2008-02-13  Michael Matz  <matz@suse.de>
3527         PR debug/35065
3528         * var-tracking.c (clobber_variable_part): Correctly traverse the
3529         list.
3531 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3533         PR 29673
3534         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3535         Add -fdump-ipa-inline.
3536         * tree-dump.c (dump_files): Remove tree-inlined dump.
3537         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3538         
3539 2008-02-12  Richard Guenther  <rguenther@suse.de>
3541         PR tree-optimization/35171
3542         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3543         default defs.
3545 2008-02-12  Richard Guenther  <rguenther@suse.de>
3547         PR middle-end/35163
3548         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3549         value-preserving mode.  Disallow final truncation.
3551 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3553         PR middle-end/35136
3554         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3555         code from here to...
3556         (force_gimple_operand): ...here.
3558 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3560         PR c++/35144
3561         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3562         non-compatible pointers.
3563         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3564         different FIELD_DECLs, try harder by comparing field offsets, sizes
3565         and types.
3567         PR inline-asm/35160
3568         * function.c (match_asm_constraints_1): Don't replace the same input
3569         multiple times.
3571 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3573         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3574         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3575         (expand_epilogue): Restore RAMPZ register.
3576         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3578 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3580         * config/i386/cygwin.asm: (__alloca): Correct calling
3581         convention and alignment.
3582         (__chkstk): Force 8 byte stack alignment.
3584 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3585             Richard Guenther  <rguenther@suse.de>
3587         PR tree-optimization/33992
3588         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3589         the zero we compare against.
3591 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3593         PR libfortran/35063
3594         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3595         to CloseHandle after unlocking to prevent accumulation of handle
3596         count.
3598 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3600         PR middle_end/34150
3601         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3602         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3603         and update LABEL_NUSES during and after reload.
3605 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3607         PR middle-end/34627
3608         * combine.c (simplify_if_then_else): Make sure the comparison is
3609         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3611 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3613         PR bootstrap/35051
3614         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3615         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3616         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3617         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3618         * tree.h (get_type_static_bounds): Likewise.
3620 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3622         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3623         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3624         Make -Wfoo language annotations match what the compiler outputs.
3626 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3628         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
3629         intrinsics spu_convts, spu_convtu, spu_convtf.
3630         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3632 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3634         * doc/extend.texi (Function Attributes) <noinline>: Mention
3635         asm ("") as method to keep calls.
3637 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3639         PR other/32754
3640         * doc/options.texi (Options): Replace references to opts.sh with
3641         optc-gen.awk.
3642         * opts-common.c: Likewise.
3643         * optc-gen.awk: Likewise.
3644         
3645 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3647         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3649 2008-02-07  Richard Henderson  <rth@redhat.com>
3651         PR rtl-opt/33410
3652         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3653         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
3654         funny mode.
3656 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3658         PR tree-optimization/35085
3659         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3660         for operand entry oe2 in addition to operand entry oe3 in order to
3661         expose more opportunities for vectorizer sum reduction.
3663 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3665         PR other/35107
3666         * Makefile.in (LIBS): Remove $(GMPLIBS).
3667         (cc1-dummy, cc1): Add $(GMPLIBS).
3669 2008-02-06  Jan Hubicka  <jh@suse.cz>
3671         PR target/23322
3672         * i386.md (moddf_integer): Do not produce partial memory stalls for
3673         targets where it hurts.
3675 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3677         PR target/35083
3678         * optabs.c (expand_float): Do not check for decimal modes when
3679         expanding unsigned integer through signed conversion.
3681 2008-02-06  Nick Clifton  <nickc@redhat.com>
3683         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3684         inside the clobber with a match_operand and duplicated operand
3685         number in the constraint.
3686         (ineqbranchsi): Delete redundant comment.
3688 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3690         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
3691         builtin_define ("__USE_INIT_FINI__").
3692         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3693         -msx multilibs.
3694         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3696 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3698         PR documentation/30330
3699         * doc/invoke.texi (C++ Dialect Options)
3700         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3701         For each warning option -Wfoo that allows -Wno-foo, ensure both
3702         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3703         entry of -Wswitch-default, index -Wnormalized= including the
3704         `=', and -Wlarger-than-@var{len} including @var{len}.
3706 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3708         * config/i386/i386.md (floatunssisf2): Use
3709         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3710         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3711         Macroize expander using MODEF mode iterator.
3713 2008-02-05  Diego Novillo  <dnovillo@google.com>
3715         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3717         PR 33738
3718         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3720 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3722         PR other/35070
3723         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3725 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3727         PR target/35084
3728         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3729         to indicate if a message should be generated.
3730         (init_cumulative_args): Updated.
3731         (function_value_32): Likewise.
3733 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3735         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3737 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3739         PR target/35083
3740         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3741         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3743 2008-02-04  Diego Novillo  <dnovillo@google.com>
3745         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3747         PR 33738
3748         * tree-vrp.c (vrp_evaluate_conditional): With
3749         -Wtype-limits, emit a warning when comparing against a
3750         constant outside the natural range of OP0's type.
3752 2008-02-04  Richard Guenther  <rguenther@suse.de>
3754         PR middle-end/33631
3755         * expr.c (count_type_elements): Give for unions instead of
3756         guessing.
3758 2008-02-04  Richard Guenther  <rguenther@suse.de>
3760         PR middle-end/35043
3761         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3762         to TYPE_DOMAINs base type instead of using bitsizetype here.
3764 2008-02-03  Jason Merrill  <jason@redhat.com>
3766         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3768 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3770         PR other/29972
3771         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3772         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3773         (RS/6000 and PowerPC Options): Fix typos and markup.
3774         * doc/passes.texi (Tree-SSA passes): Likewise.
3776 2008-02-02  Michael Matz  <matz@suse.de>
3778         PR target/35045
3779         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3780         from record_last_reg_set_info.
3781         (record_last_reg_set_info): Take an RTX argument, iterate over all
3782         constituent hardregs.
3783         (record_last_set_info, record_opr_changes): Change calls to
3784         new signature or to record_last_reg_set_info_regno.
3786 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3788         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3790 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3792         PR rtl-optimization/34773
3793         * reg-notes.def (EQUAL): Mention significance of combination of
3794         REG_EQUAL and REG_RETVAL.
3795         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3796         insn that has a REG_RETVAL.
3798 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3800         PR bootstrap/33781
3801         * configure.ac (--enable-fixed-point): Disable unless explicitly
3802         requested on IRIX.
3803         * configure: Regenerate.
3805 2008-02-01  Richard Guenther  <rguenther@suse.de>
3807         PR other/35042
3808         * invoke.texi (-finline-limit): Remove no longer true parts
3809         of the documentation.  Note that there is no default value.
3811 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3812             Mark Mitchell  <mark@codesourcery.com>
3813             Ben Elliston  <bje@au.ibm.com>
3815         PR c/29326
3816         * doc/extend.texi (Other Builtins): Document.
3818 2008-01-31  Tom Browder <tom.browder@gmail.com>
3820         * doc/c-tree.texi (Types): Fix grammar.
3821         (Expression trees): Ditto.
3822         * doc/passes.texi (Tree-SSA passes): Ditto.
3823         
3824         * doc/configterms.texi (Configure Terms): Fix typo.
3825         * doc/cpp.texi (Common Predefined Macros): Ditto.
3826         * doc/md.texi (Machine Constraints): Ditto.
3827         
3828         * doc/makefile.texi (Makefile): Add comma.
3830 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3831             Gerald Pfeifer  <gerald@pfeifer.com>
3832         
3833         * doc/sourcebuild.texi (Front End): Remove references to CVS
3834         and CVSROOT/modules.
3835         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3836         (Back End): Remove reference to CVS.
3838 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3840         PR target/34900
3841         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3842         comment from...
3843         (mips16_gp_pseudo_reg): ...here.
3844         * config/mips/mips.md (load_const_gp): Replace with...
3845         (load_const_gp_<mode>): ...this :P-based insn.
3847 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3849         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3850         options. Minor fixes.
3851         (-std): Move reference to standards closer to where language
3852         standards are first mentioned.
3853         
3854 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3856         PR rtl-optimization/34995
3857         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3858         parameter and return a bool.  If the rtx parameter is nonnull,
3859         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3860         (find_reloads): Update call accordingly.  Pass the new operand
3861         if it needed no address reloads, otherwise pass null.
3863 2008-01-30  Richard Henderson  <rth@redhat.com>
3865         PR c/34993
3866         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3867         for unbounded arrays.
3869 2008-01-30  Silvius Rus  <rus@google.com>
3871         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3873 2008-01-30  Jan Hubicka  <jh@suse.cz>
3875         PR target/34982
3876         * i386.c (init_cumulative_args): Use real function declaration when
3877         calling locally.
3879 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3881         PR rtl-optimization/34998
3882         * global.c (build_insn_chain): Treat non-subreg_lowpart
3883         SUBREGs of pseudos as clobbering all the words covered by the
3884         SUBREG, not just all the bytes.
3885         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3886         original df_ref rather than an extract parameter.
3887         (global_conflicts): Update call accordingly.
3889 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3891         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3892         the overflow check to make it easier to read.
3893         (__fixtfdi): Change the type of the ll member in union
3894         long_double to UDItype_x.
3896 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3898         PR middle-end/34969
3899         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3900         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3901         * tree-inline.c (fold_marked_statements): Call
3902         cgraph_update_edges_for_call_stmt if folding a call statement.
3903         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3904         debug_generic_stmt calls, reset it back afterwards.
3906         PR c/35017
3907         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3908         static decls.
3909         * c-typeck.c (build_external_ref): Don't pedwarn about
3910         static vars in current function's scope.
3912 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3914         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3916 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3918         PR c/35002
3919         * ipa-struct-reorg.c: Fix spelling.
3920         * params.def: Ditto.
3922 2008-01-29  Richard Guenther  <rguenther@suse.de>
3924         PR middle-end/35006
3925         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3926         field.
3927         * tree-inline.c (remap_type): Increment remapping_type_depth
3928         around remapping types.
3929         (copy_body_r): Only add referenced variables if they are referenced
3930         from code, not types.
3932 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3934         PR c++/34055
3935         PR c++/34103
3936         PR c++/34219
3937         PR c++/34606
3938         PR c++/34753
3939         PR c++/34754
3940         PR c++/34755
3941         PR c++/34919
3942         PR c++/34961
3943         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3944         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3946 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3948         PR target/34412
3949         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
3950         pointer for tiny stack.
3952 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3954         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3956 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3958         * config/vx-common.h: Fix typo in comment.
3960 2008-01-28  Ian Lance Taylor  <iant@google.com>
3962         PR c++/34862
3963         PR c++/33407
3964         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3965         coalesce pointers if they have different DECL_NO_TBAA_P values.
3966         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3967         between variables with different DECL_NO_TBAA_P values.
3969 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3971         PR 31535
3972         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3973         are not legitimate small data references on SPE targets.
3975 2008-01-28  David Daney  <ddaney@avtrex.com>
3977         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3979 2008-01-28  David Daney  <ddaney@avtrex.com>
3981         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3983 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3985         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3986         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3987         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3988         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3989         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3990         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3991         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3992         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3994 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3996         * basic-block.h (condjump_equiv_p): Fix comment.
3998 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4000         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
4001         print_generic_stmt_indented): Fix comment.
4003 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
4005         * configure.ac (__stack_chk_fail): Add detecion for availability
4006         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
4007         * configure: Regenerate.
4009 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
4011         PR middle-end/34688
4012         * final.c (output_addr_const): Handle TRUNCATE.
4014 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
4016         PR target/34711
4017         * tree-ssa-loop-ivopts.c (comp_cost): New type.
4018         (zero_cost, infinite_cost): New constants.
4019         (struct cost_pair): Change type of cost to comp_cost.
4020         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
4021         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
4022         New functions.
4023         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
4024         split_address_cost, ptr_difference_cost, difference_cost,
4025         get_computation_cost_at, get_computation_cost,
4026         determine_use_iv_cost_generic, determine_use_iv_cost_address,
4027         determine_use_iv_cost_condition, determine_use_iv_costs,
4028         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
4029         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
4030         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
4031         Change type of cost to comp_cost.
4032         (determine_iv_cost): Increase cost of non-original ivs, instead
4033         of decreasing the cost of original ones.
4034         (get_address_cost): Indicate the complexity of the addressing mode 
4035         in comp_cost.
4036         (try_add_cand_for): Prefer using ivs not specific to some object.
4037         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
4039 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
4040             Janis Johnson  <janis187@us.ibm.com>
4042         PR target/34814
4043         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
4044         (TARGET_INSTANTIATE_DECLS): Likewise.
4045         * target.h (expand_to_rtl_hook): New target hook.
4046         (instantiate_decls): Likewise.
4047         * function.c (instantiate_decl): Make non-static.  Rename to...
4048         (instantiate_decl_rtl): ... this.
4049         (instantiate_expr): Use instantiate_decl_rtl.
4050         (instantiate_decls_1): Likewise.
4051         (instantiate_decls): Likewise.
4052         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
4053         * function.h (instantiate_decl_rtl): Add prototype.
4054         * cfgexpand.c (target.h): New include.
4055         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
4056         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
4057         (TARGET_INSTANTIATE_DECLS): Likewise.
4058         (TARGET_INITIALIZER): New target hooks added.
4059         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
4060         New prototype.
4061         * config/rs6000/rs6000.c (tree-flow.h): New include.
4062         (machine_function): Add sdmode_stack_slot field.
4063         (rs6000_alloc_sdmode_stack_slot): New function.
4064         (rs6000_instantiate_decls): Likewise.
4065         (rs6000_secondary_memory_needed_rtx): Likewise.
4066         (rs6000_check_sdmode): Likewise.
4067         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
4068         (TARGET_INSTANTIATE_DECLS): Likewise.
4069         (rs6000_hard_regno_mode_ok): Allow SDmode.
4070         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
4071         (rs6000_emit_move): Handle SDmode.
4072         (function_arg_advance): Likewise.
4073         (function_arg): Likewise.
4074         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
4075         SDmode var args for 32-bit compiles.
4076         (rs6000_secondary_reload_class): Handle SDmode.
4077         (rs6000_output_function_epilogue): Likewise.
4078         (rs6000_function_value): Simplify if statement.
4079         (rs6000_libcall_value): Likewise.
4080         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
4081         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
4082         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
4083         (movsd_hardfloat): New define_insn.
4084         (movsd_softfloat): Likewise.
4085         (movsd_store): Likewise.
4086         (movsd_load): Likewise.
4087         (extendsddd2): Likewise.
4088         (extendsdtd2): Likewise.
4089         (truncddsd2): Likewise.
4090         (movdd_hardfloat64): Fixup comment.
4091         (UNSPEC_MOVSD_LOAD): New constant.
4092         (UNSPEC_MOVSD_STORE): Likewise.
4094 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
4096         PR c++/34965
4097         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
4098         TRUTH_XOR_EXPR.
4099         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
4100         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
4101         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
4102         and TRUTH_XOR_EXPR.
4104 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
4106         PR target/34794
4107         * config.gcc: Separate AIX 5.3 from AIX 6.1.
4108         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4109         __LONGDOUBLE128 too.
4110         * config/rs6000/aix61.h: New file.
4112 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4114         PR rtl-optimization/34959
4115         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
4116         popcount and parity rtxes the same mode as their operand.
4117         Truncate or extend the result to the return value's mode
4118         if necessary.
4120 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
4122         PR target/34981
4123         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
4124         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
4125         to GOT_VERSION_REGNUM.
4126         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
4127         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
4128         * config/mips/mips.c (mips_emit_call_insn): New function.
4129         (mips_call_tls_get_addr): Call mips_expand_call directly.
4130         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
4131         emit_call_insn.
4132         (mips16_build_call_stub): Likewise.  Return the call insn or null.
4133         (mips_expand_call): Update the call to mips16_build_call_stub
4134         accordingly and a remove redundant condition.  Assert that MIPS16
4135         stubs do not use lazy binding.  Use mips_emit_call_insn and return
4136         the call insn.
4137         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
4138         TARGET_USE_GOT.
4139         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
4140         (mips_avoid_hazard): Remove hazard_set handling.
4141         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
4142         (UNSPEC_RESTORE_GP): ...this.
4143         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
4144         (FAKE_CALL_REGNO): Rename to...
4145         (GOT_VERSION_REGNUM): ...this.
4146         (type): Add "ghost" value.  Add an associated insn reservation.
4147         (hazard_set): Remove.
4148         (exception_receiver): Rename to...
4149         (restore_gp): ...this and update the unspec identifier accordingly.
4150         (exception_receiver, nonlocal_got_receiver): New expanders.
4151         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
4152         FAKE_CALL_REGNO.  Remove hazard_set attribute.
4153         (set_got_version, update_got_version): New patterns.
4155 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
4157         PR target/34970
4158         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
4160 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4162         PR other/31955
4163         * doc/install.texi2html: Generate gcc-vers.texi.
4165 2008-01-25  DJ Delorie  <dj@redhat.com>
4167         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4169 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
4171         * config/c4x: Remove directory.
4172         * config.gcc (crx-*, mt-*): Mark obsolete.
4173         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
4174         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
4175         sh-*-rtemscoff*): Remove cases.
4176         * defaults.h (C4X_FLOAT_FORMAT): Remove.
4177         * real.c (encode_c4x_single, decode_c4x_single,
4178         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
4179         c4x_extended_format): Remove.
4180         * real.h (c4x_single_format, c4x_extended_format): Remove.
4181         * doc/extend.texi (interrupt, naked): Remove mention of attributes
4182         on C4x.
4183         (Pragmas): Remove comment about c4x pragmas.
4184         * doc/install.texi (c4x): Remove target-specific instructions.
4185         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
4186         * doc/md.texi (Machine Constraints): Remove C4x documentation.
4187         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
4188         refer to C4x source files as examples.
4189         (C4X_FLOAT_FORMAT): Remove documentation.
4191 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
4193         * config/bfin/bfin.c (override_options): Reorder tests so that
4194         flag_pic gets enabled for -msep-data.
4196 2008-01-25  Richard Guenther  <rguenther@suse.de>
4198         PR middle-end/32244
4199         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
4200         to its bitfield precision if required.
4202 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4204         PR middle-end/33880
4205         * tree-nested.c (walk_omp_for): New function.
4206         (convert_nonlocal_reference, convert_local_reference): Call
4207         walk_omp_for on OMP_FOR.
4208         (convert_call_expr): Call walk_body on OMP_FOR's
4209         OMP_FOR_PRE_INIT_BODY.
4211 2008-01-25  Richard Guenther  <rguenther@suse.de>
4213         PR tree-optimization/34966
4214         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
4215         default defs and PHI_NODEs we have to insert after the
4216         defining statement.
4218 2008-01-24  Nick Clifton  <nickc@redhat.com>
4220         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
4221         Provide a default definition.
4222         (LIBGCC2_UNITS_PER_WORD): Likewise.
4224         * config/stormy16/stormy16.c: Include df.h for the prototype
4225         for df_regs_ever_live_p.
4226         (xstormy16_expand_builtin_va_start): Convert the stack offset
4227         into a component_ref and then use POINTER_PLUS_EXPR to add it
4228         to the incoming_virtual_args_rtx.
4229         (xstormy16_gimplify_va_arg_expr): Rename to
4230         xstormy16_gimplify_va_arg_expr.
4231         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
4232         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
4233         xstormy16_gimplify_va_arg_expr.
4234         Fix up some formatting issues.
4236         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
4237         Move to predicates.md.
4238         (xs_hi_general_operand): Likewise.
4239         (xs_hi_nonmemory_operand): Likewise.
4240         * config/stormy16/predicates.md:
4241         (xstormy16_carry_plus_operand): New predicate.
4242         (xs_hi_general_operand): New predicate.
4243         (xs_hi_nonmemory_operand): New predicate.
4244         * config/stormy16/stormy16-protos.h:
4245         (xstormy16_carry_plus_operand): Delete prototype.
4246         (xs_hi_general_operand): Likewise.
4247         (xs_hi_nonmemory_operand): Likewise.
4249         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
4250         modifiers as they are no longer needed and they can trigger
4251         reload spill failures.
4253         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
4254         with a match_operand in order to help reload.
4256         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
4257         constraint with 'e' for the 8th alternative as this version of
4258         the mov.w instruction only accepts the lower 8 registers.
4260 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
4262         PR target/34856
4263         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
4264         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
4265         vector elements.
4267 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
4269         PR middle-end/33333
4270         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
4272 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4274         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
4275         New functions.
4276         (remove_structure): Update allocations list before removing structure.
4277         
4278 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
4280         * ipa-struct-reorg.c (is_safe_cond_expr, 
4281         create_new_stmts_for_cond_expr): Use integer_zerop function,
4282         that recognize not only zero-pointer, but zero-integer too.
4284 2008-01-25  Ben Elliston  <bje@au.ibm.com>
4286         PR other/22232
4287         * fixproto: Escape "." in sed expression that strips leading "./".
4289 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
4291         PR driver/34904
4292         * gcc.c (SWITCH_OK): Removed.
4293         (SWITCH_LIVE): Changed to bit.
4294         (SWITCH_FALSE): Likewise.
4295         (SWITCH_IGNORE): Likewise.
4296         (switchstr): Change live_cond to unsigned int.
4297         (process_command): Replace SWITCH_OK with 0.
4298         (do_self_spec): Likewise.
4299         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
4300         (give_switch): Likewise.
4301         (used_arg): Likewise.
4302         (do_spec_1): Set the SWITCH_IGNORE bit.
4303         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
4304         bits.  Set the SWITCH_LIVE bit.
4306 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4308         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
4310 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
4312         PR tree-optimization/34472
4313         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
4314         parameter to a "bool *" and set *DATA to false if there is
4315         an unsafe access.  Do not delete the structure here.
4316         (check_cond_exprs): Delete it here instead.
4317         (check_cond_exprs, exclude_cold_structs): Do not increase
4318         I when removing a structure.
4320 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
4322         PR target/34856
4323         * config/i386/i386.c (ix86_expand_vector_init): Consider only
4324         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
4326 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
4328         PR middle-end/34934
4329         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
4330         a fixed vector for stack.
4332 2008-01-24  Ben Elliston  <bje@au.ibm.com>
4334         PR c++/25701
4335         * doc/gcc.texi (Software development): Add a direntry for g++.
4336         
4337 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
4339         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
4340         stale and straggling -fforce-addr comments above.
4342         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
4343         define.
4344         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
4345         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
4347 2008-01-23  Michael Matz  <matz@suse.de>
4349         PR debug/34895
4350         * dwarf2out.c (force_type_die): Use modified_type_die instead of
4351         gen_type_die.
4353 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4355         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
4356         malloc result type.
4358 2008-01-23 Anatoly Sokolov <aesok@post.ru>
4360         * config/avr/avr.c (avr_current_arch): New variable.
4361         (avr_arch_types): Add 'avr31' and 'avr51' entries.
4362         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
4363         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
4364         (avr_override_options): Init 'avr_current_arch'. 
4365         (base_arch_s): Move from here...
4366         * config/avr/avr.h (base_arch_s): ... here. Add new members 
4367         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
4368         'mega' to 'have_jmp_call'.
4369         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
4370         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
4371         macros.
4372         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
4373         architectures.
4374         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
4375         MULTILIB_MATCHES): (Ditto.).
4377 2008-01-23  Richard Guenther  <rguenther@suse.de>
4379         PR middle-end/31529
4380         * cgraphunit.c (cgraph_reset_node): Always mark the node
4381         not reachable if it is not queued already.
4383 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4385         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
4386         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
4387         (cputype_selected): New static variable.
4388         (bfin_handle_option): Set it if -mcpu is used.
4389         (override_option): Select default set of workarounds if no cpu type
4390         selected on the command line.
4391         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4393         From  Michael Frysinger  <michael.frysinger@analog.com>
4394         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4395         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4397         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4398         for bf547, bf523, bf524, and bf526.
4399         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4400         bf526.
4401         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4402         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4403         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4404         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4405         * doc/invoke.texi (Blackfin Options): Document that
4406         -mcpu now accept bf547, bf523, bf524, and bf526.
4408 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4410         PR rtl-optimization/34628
4411         * combine.c (try_combine): Stop and undo after the first combination
4412         if an autoincrement side-effect on the first insn has effectively
4413         been lost.
4415 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4417         PR target/34529
4418         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4419         Offset addresses are not valid for Altivec or paired float modes.
4421 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4423         PR c++/34607
4424         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4425         if DECL_INITIAL (decl) is error_mark_node.
4427         PR c++/34914
4428         * c-common.c (handle_vector_size_attribute): Only allow
4429         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4430         the same way as pointer, array etc. types.
4431         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4433         PR c++/34917
4434         * tree.c (build_type_attribute_qual_variant): Call
4435         build_qualified_type if attributes are equal, but quals are not.
4437 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4439         PR 32102
4440         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4441         * flags.h (warn_strict_aliasing): Remove.
4442         (warn_strict_overflow): Remove.
4443         * opts.c (warn_strict_aliasing): Remove.
4444         (warn_strict_overflow): Remove.
4445         * c-opts.c (c_common_handle_option): -Wall only sets
4446         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4447         (c_common_post_options): Give default values to -Wstrict-aliasing
4448         and -Wstrict-overflow if they are uninitialized.
4449         * common.opt (Wstrict-aliasing): Specify Var and Init.
4450         (Wstrict-overflow): Likewise.
4452 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4454         PR rtl-optimization/26854
4455         PR rtl-optimization/34400
4456         PR rtl-optimization/34884
4457         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4458         DF_RD->gen.
4459         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4460         (df_rd_bb_info.expanded_lr_out): Deleted
4461         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4462         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4463         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4464         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4465         Removed code to allocate, initialize or free expanded_lr_out.
4466         (df_rd_bb_local_compute_process_def): Restructured to make more
4467         understandable.
4468         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4469         sets if the sets are being trimmed.
4471 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4473         PR bootstrap/32287
4474         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4475         (as_vers): Likewise.
4476         * configure: Regenerated.
4478 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4480         PR middle-end/33092
4481         * tree-pass.h (pass_build_alias): New pass.
4482         * tree-ssa-alias.c (gate_build_alias): New.
4483         (pass_build_alias): New.
4484         * passes.c (init_optimization_passes): Add pass_build_alias after
4485         pass_create_structure_vars.
4487 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4489         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4490         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4491         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4492         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4493         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4494         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4495         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4496         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4497         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4498         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4499         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4500         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4501         * config/s390/s390.md (FP_ALL): New mode iterator.
4502         (_d): New mode attribute.
4503         ("*signbit<mode>2>"): Changed mode of first operand.
4504         ("isinf<mode>2"): Changed mode of first operand.
4505         ("*TDC_insn"): Adaptation for DFP modes.
4507 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4509         * tree.c (check_qualified_type): Improve function description.
4511 2008-01-21  Jason Merrill  <jason@redhat.com>
4513         PR c++/34196
4514         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4515         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4516         if it is set.
4518 2008-01-21  DJ Delorie  <dj@redhat.com>
4520         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4521         return zero.
4523 2008-01-21  Richard Guenther  <rguenther@suse.de>
4525         PR middle-end/34856
4526         * tree-cfg.c (verify_expr): Allow all invariant expressions
4527         instead of just constant class ones as reference argument.
4528         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4529         like any other constant.
4530         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4532 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4534         * regmove.c (fixup_match_1): Update call crossed frequencies.
4536 2008-01-21  Richard Guenther  <rguenther@suse.de>
4538         PR c/34885
4539         * tree-inline.c (setup_one_parameter): Deal with mismatched
4540         types using a VIEW_CONVERT_EXPR.
4542 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4543             Olga Golovanevsky  <olga@il.ibm.com>
4544         
4545         PR tree-optimization/34701
4546         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4547         when the structure size is not a power of 2.
4549 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4551         * doc/install.texi: Add doc for --enable-checking=df.
4552         
4553 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4555         PR rtl-optimization/34808
4556         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4558 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4560         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4561         input.
4563 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4565         PR rtl-optimization/26854
4566         PR rtl-optimization/34400
4567         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4568         DF_RD->gen.
4569         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4570         (df_rd_bb_info.expanded_lr_out): New.
4571         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4572         * loop_iv.c (iv_analysis_loop_init): Ditto.
4573         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4574         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4575         Added code to allocate, initialize or free expanded_lr_out.
4576         (df_rd_bb_local_compute_process_def): Restructured to make
4577         more understandable.
4578         (df_rd_confluence_n): Add code to do nothing with fake edges and
4579         code to no apply invalidate_by_call sets if the sets are being trimmed.
4580         (df_lr_local_finalize): Renamed to df_lr_finalize.
4581         (df_live_local_finalize): Renamed to df_live_finalize.
4583 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4585         PR target/34831
4586         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4587         deciding whether to use reciprocal instructions.
4589 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4591         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4592         dwarf2out_note_section_used if cold_text_section is NULL.
4594 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4596         PR gcov-profile/34610
4597         * tree-cfg.c (make_edges): Mark both outgoing edges from
4598         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4599         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4600         from OMP_FOR and OMP_CONTINUE outgoing edges.
4602         * tree-profile.c (tree_profiling): Return early if
4603         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4604         at the end.
4605         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4606         from cfun to child_cfun.
4607         * function.h (struct function): Add after_tree_profile bit.
4609 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4611         * config/avr/avr.S (_exit): Disable interrupt.
4613 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4614             Steven Bosscher  <stevenb.gcc@gmail.com>
4616         PR rtl-optimization/26854
4617         PR rtl-optimization/34400
4618         * df-problems.c (df_live_scratch): New scratch bitmap.
4619         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4620         (df_live_reset): Clear the proper bitmaps.
4621         (df_live_bb_local_compute): Only process the artificial defs once
4622         since the order is not important.
4623         (df_live_init): Init the df_live sets only with the variables
4624         found live by df_lr.
4625         (df_live_transfer_function): Use the df_lr sets to prune the
4626         df_live sets as they are being computed.  
4627         (df_live_free): Free df_live_scratch.
4629 2008-01-18  Ian Lance Taylor  <iant@google.com>
4631         * common.opt: Add fmerge-debug-strings.
4632         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4633         flag_merge_debug_strings rather than flag_merge_constants.
4634         * doc/invoke.texi (Option Summary): Mention
4635         -fmerge-debug-strings.
4636         (Debugging Options): Document -fmerge-debug-strings.
4638 2008-01-18  Ian Lance Taylor  <iant@google.com>
4640         PR c++/33407
4641         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4642         (struct tree_function_decl): Add new field operator_new_flag.
4643         * tree-inline.c (expand_call_inline): When inlining a call to
4644         operator new, force the return value to go into a variable, and
4645         set DECL_NO_TBAA_P on that variable.
4646         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4648 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4650         PR debug/34484
4651         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4652         DWARF2_DEBUGGING_INFO.
4653         (dwarf2out_note_section_used): Ditto.  Add prototype.
4654         (have_multiple_function_sections, text_section_used,
4655         cold_text_section_used, *cold_text_sections): Move declarations
4656         before their uses.
4658 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4660         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4661         field and add signal_ra.
4662         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4663         assignments to frame state pc.  Move end of stack check after
4664         MD_FALLBACK_FRAME_STATE_FOR.
4665         (uw_update_context_1): Use frame state signal_regs if set, instead
4666         of checking signal_frame flag.
4667         (uw_update_context): Use frame state signal_ra if set.
4668         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4669         * config/xtensa/linux-unwind.h: New file.
4671 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4673         * modulo-sched.c (get_sched_window): Fix comment typo.
4675 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4677         PR tree-optimization/34648
4678         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4680 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4682         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4683         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4685 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4687         PR rtl-optimization/34400
4688         * df-core.c (df_worklist_dataflow_overeager,
4689         df_worklist_dataflow_doublequeue): New functions.
4690         (df_worklist_dataflow): Two different worklist solvers.
4691         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4692         New param.
4694 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4696         PR testsuite/34821
4697         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4698         and ftree-parallelize-loops.
4700 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4702         PR rtl-optimization/34826
4703         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4705 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4707         * global.c (find_reg): Mark the eh regs as used if necessary.
4708         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4709         * ra.h (struct allocno): no_eh_reg field added.  Changed
4710         no_stack_reg type to bitfield.
4712 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4714         * tree.c (substitute_in_expr): Add missing 'break'.
4716 2008-01-17  Richard Guenther  <rguenther@suse.de>
4718         PR tree-optimization/34825
4719         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4720         x / x as division to handle.
4722 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4724         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4725         "-pthread" is specified.
4726         * pa-hpux11.h (LIB_SPEC): Likewise.
4728 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4729             Peter Bergner  <bergner@vnet.ibm.com>
4731         PR rtl-optimization/33796
4732         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4734 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4736         PR libgfortran/34699
4737         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4738         static links.
4739         * pa-hpux10.h (LINK_SPEC): Likewise.
4740         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4742 2008-01-16  Richard Guenther  <rguenther@suse.de>
4744         PR middle-end/32628
4745         * fold-const.c (fold_convert_const_int_from_int): Do not
4746         set overflow if that occured only because of a sign extension
4747         change when converting from/to a sizetype with the same
4748         precision and signedness.
4750 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4752         PR debug/34249
4753         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4754         location address to the correct place.  Update copyright year.
4756 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4758         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4759         no dependences in the dependence_relations vector.
4761 2008-01-16  Jan Hubicka  <jh@suse.cz>
4763         PR rtl-optimization/31396
4764         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4765         * cfg.c (dump_reg_info): Print it.
4766         * regs.h (struct reg_info_t): add freq_calls_crossed.
4767         (REG_FREQ_CALLS_CROSSED): New macro.
4768         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4769         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4770         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4771         regmove_optimize): Update call crossed frequencies.
4772         * local-alloc.c (struct qty): Add freq_calls_crossed.
4773         (alloc_qty): Copute freq_calls_crossed.
4774         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4775         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4776         * ra.h (struct allocno): Add freq_calls_crossed.
4778 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4780         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4781         libgomp when compiling with ftree-parallelize-loops.
4782         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4784 2008-01-16  Richard Guenther  <rguenther@suse.de>
4786         PR tree-optimization/34769
4787         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4788         * tree.c (int_cst_value): Instead make this function more
4789         permissive in what it accepts as valid input.  Document this
4790         function always sign-extends the value.
4792 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4793             Richard Guenther  <rguenther@suse.de>
4795         PR c/34668
4796         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4797         (gimple_fold_indirect_ref_rhs): ... this.
4798         (gimple_fold_indirect_ref): New function with foldings
4799         that preserve lvalueness.
4800         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4801         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4802         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4803         to fold an INDIRECT_REF, fall back to the old use of
4804         fold_indirect_ref_1.
4806 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4808         * tree-data-ref.c (subscript_dependence_tester_1): Call 
4809         free_conflict_function.
4810         (compute_self_dependence): Same.
4812 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4814         PR debug/34249
4815         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4816         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4817         function global.
4818         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4819         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4820         for DWARF2_UNWIND_INFO targets.
4822 2008-01-16  Richard Guenther  <rguenther@suse.de>
4824         PR c/34768
4825         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4826         type qualifiers for function types.
4828 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4830         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4831         loop_iterator li from previous commit.
4833 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4835         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4837 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4839         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4840         (parallelize_loops): Don't parallelize irreducible components.
4842 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4844         PR c++/24924
4845         * c-opts (c_common_post_options): Do not enable CPP
4846         flag_pedantic_errors by default.
4847         
4848 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4850         PR rtl-optimization/31944
4851         * cse.c (remove_pseudo_from_table): New function.
4852         (merge_equiv_classes): Use above function to remove pseudo-registers.
4853         (invalidate): Likewise.
4855 2008-01-13  Richard Guenther  <rguenther@suse.de>
4857         PR middle-end/34601
4858         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4859         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4861 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4863         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4864         validate_change to unshare the source of the PC set.
4866 2008-01-12  Jan Hubicka  <jh@suse.cz>
4868         PR middle-end/32135
4869         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4870         references above array bounds.  This might trigger bounds checks for
4871         pointers to arrays.
4873 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4875         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4876         new_replaceable_dependencies.
4878 2008-01-12  Doug Kwan  <dougkwan@google.com>
4880         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4881         instead of OPT_Wreturn_type in warning due to ignored return type
4882         qualifiers.
4883         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4884         options included in -Wextra.
4885         * c.opt: New option -Wignored_qualifiers.
4886         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4887         -Wignore_qualifiers.
4888         (-Wignored-qualifiers): Document.
4889         (-Wreturn-type): Remove description of functionality now handled
4890         by -Wignored-qualifiers.
4892 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4894         PR ada/33788
4895         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4896         NOP_EXPR if it is between integral types with the same precision.
4898 2008-01-12  Jan Hubicka  <jh@suse.cz>
4900         PR other/28023
4901         * invoke.texi (max-inline-recursive-depth): Fix default value.
4903 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4905         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4906         correct type.
4908 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4909         
4910         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4911         
4912 2008-01-11  James E. Wilson  <wilson@specifix.com>
4914         PR target/26015
4915         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4917 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4919         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
4920         save/restore frame pointer register and don't use 'call-prologues' 
4921         optimization in function with "OS_task" attribute.
4923 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4925         PR middle-end/31309
4926         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4927         when copying to memory.
4929 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4931         PR rtl-optimization/30905
4932         * cfgcleanup.c: Include dce.h
4933         (crossjumps_occured): New global variable.
4934         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4935         If something changed, set crossjumps_occured to true.
4936         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4937         Don't add/remove fake edges to exit here...
4938         (cleanup_cfg): ...but do it here, when crossjumping.
4939         Run a fast DCE when successful crossjumps occured in the latest
4940         iteration of try_optimize_cfg.
4942 2008-01-11  Richard Guenther  <rguenther@suse.de>
4944         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4945         (struct vn_unary_op_s): Likewise.
4946         (vn_reference_insert): Free old reference on hash collision.
4948 2008-01-10  Raksit Ashok  <raksit@google.com>
4950         PR rtl-optimization/27971
4951         * combine.c (find_split_point): Split PLUS expressions which are
4952         inside a MEM rtx, and whose first operand is complex.
4954 2008-01-10  DJ Delorie  <dj@redhat.com>
4956         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4957         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4958         (m32c_hard_regno_ok): Call the underlying function.
4960 2008-01-10  Richard Guenther  <rguenther@suse.de>
4962         PR middle-end/34683
4963         * tree-cfg.c (tree_merge_blocks): Do not go through the
4964         full-blown folding and stmt updating path if we just deal
4965         with virtual operands.
4966         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4967         test for abnormal SSA_NAMEs.
4969 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4971         PR middle-end/34641
4972         * reload.c (push_reload): Add assertions.  All constants from
4973         reg_equiv_constant should have been used for replacing the respective
4974         pseudo earlier.
4975         (find_reloads_address): Invoke find_reloads_address_part for
4976         constant taken from the reg_equiv_constant array.
4978 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4980         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4981         field (valnum) the first in the struct.  Replace bools with
4982         unit bit fields.
4984 2008-01-10  Richard Guenther  <rguenther@suse.de>
4986         PR tree-optimization/34651
4987         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4988         types and ordering for masking and converting.
4990 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4992         PR tree-optimization/34017
4993         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4994         also for PHI_NODE expressions.
4996 2008-01-09  Jan Hubicka  <jh@suse.cz>
4998         PR tree-optimization/34708
4999         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
5000         based on number of case labels.
5001         (init_inline_once): Remove switch_cost.
5002         * tree-inline.h (eni_weights_d): Remove switch_cost.
5004 2008-01-09  Richard Guenther  <rguenther@suse.de>
5005         Andrew Pinski  <andrew_pinski@playstation.sony.com>
5007         PR middle-end/30132
5008         * gimplify.c (gimplify_cond_expr): Do not create an addressable
5009         temporary if an rvalue is ok or an lvalue is not required.
5011 2008-01-09  Richard Guenther  <rguenther@suse.de>
5013         PR middle-end/34458
5014         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
5015         adjust return type.
5017 2008-01-09  Richard Guenther  <rguenther@suse.de>
5019         PR middle-end/34679
5020         * tree.c (host_integerp): Check for sizetype only if the
5021         type is an integer type.
5023 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
5025         PR debug/26364
5026         * opts.c (decode_options): Disable inlining of functions called
5027         once if not in unit-at-a-time mode.
5029 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
5031         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
5033 2008-01-08  Richard Guenther  <rguenther@suse.de>
5035         PR middle-end/31863
5036         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
5037         out early if the result will be unused.
5039 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5041         PR target/34709
5042         Revert:
5044         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5045         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5046         for TARGET_RECIP.       
5047         
5048 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
5049         
5050         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
5051         for vectorization tuned.
5052         
5053 2008-01-08  Richard Guenther  <rguenther@suse.de>
5055         PR tree-optimization/34683
5056         * tree-ssa-operands.c (operand_build_cmp): Export.
5057         * tree-ssa-operands.h (operand_build_cmp): Declare.
5058         * tree-vn.c (vuses_compare): Remove.
5059         (sort_vuses): Use operand_build_cmp.
5060         (sort_vuses_heap): Likewise.
5061         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
5062         to re-use old VEC if available.  Do not sort already sorted VUSEs.
5063         (vdefs_to_vec): Do not sort already sorted VDEFs.
5065 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
5067         PR middle-end/34694
5068         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
5070 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
5072         PR target/34702
5073         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
5074         limitations of reciprocal sequences on x86 targets.
5076 2008-01-08  Richard Guenther  <rguenther@suse.de>
5078         PR tree-optimization/34683
5079         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
5081 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
5083         PR target/34622
5084         * config/darwin.c (darwin_mergeable_string_section): Don't use
5085         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
5087 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
5089         PR target/34682
5090         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
5091         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
5092         predicates of op0 and op1 to register_operand.
5093         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
5094         expander using X87MODEF mode iterator.  Change predicates of
5095         op0 and op1 to register_operand.
5096         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
5097         corresponding patterns and macroize using MODEF macro.  Change
5098         predicates of op0 and op1 to register_operand and remove
5099         "m" constraint. Disparage "r" alternative with "!".
5100         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
5101         macroize using X87MODEF macro.  Change predicates of op0 and op1
5102         to register_operand and remove "m" constraint.  Disparage "r"
5103         alternative with "!".
5104         (absneg splitter with memory operands): Remove.
5105         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
5106         patterns and macroize using X87MODEF mode iterator.
5107         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
5108         Change predicate of op1 to register_operand.
5109         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
5110         for memory operands.
5112 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
5114         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
5116 2008-01-07  Richard Guenther  <rguenther@suse.de>
5118         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
5119         fields.
5121 2008-01-07  Richard Guenther  <rguenther@suse.de>
5123         PR tree-optimization/34683
5124         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
5125         VOPs of the needed size to save memory.  Use VEC_quick_push
5126         to save compile-time.
5127         (vdefs_to_vec): Likewise.
5129 2008-01-07  Sa Liu  <saliu@de.ibm.com>
5131         * config/spu/spu.md (divdf3): Genetate inline code for double
5132         division.  The implementation doesn't handle INF or NAN, therefore it
5133         only applies when -ffinite-math-only is given.
5135 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
5137         PR libstdc++/34680
5138         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
5139         * doc/cpp.texi ([Common Predefined Macros]): Document.
5141 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
5143         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
5144         order to use commutative addition instead of subtraction.
5146 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5147             Mircea Namolaru  <namolaru@il.ibm.com>
5148             Vladimir Yanovsky  <yanov@il.ibm.com>
5149             Revital Eres  <eres@il.ibm.com>
5151         PR tree-optimization/34263
5152         * tree-outof-ssa.c (process_single_block_loop_latch,
5153         contains_tree_r): New functions.
5154         (analyze_edges_for_bb): Call process_single_block_loop_latch
5155         function to empty single-basic-block latch block if possible.
5157 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5159         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
5160         for TARGET_RECIP.
5161         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
5163 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5165         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
5167 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
5169         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
5171 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
5173         PR tree-optimization/34618
5174         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
5175         flag from T.
5177 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
5179         PR target/34673
5180         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
5181         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
5182         Update copyright year.
5184         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
5185         Update copyright year.
5186         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
5187         using NR fixup.
5189 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
5191         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
5192         edge does not point to current bb before changing need_assert.
5194 2008-01-04  Richard Guenther  <rguenther@suse.de>
5196         PR middle-end/34029
5197         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
5198         for verifying purposes if they are is_gimple_min_invariant.
5200 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
5202         PR tree-optimization/34448
5203         PR tree-optimization/34465
5204         * gimplify.c (gimplify_init_constructor): Add new parameter
5205         notify_temp_creation.  Use it.
5206         (gimplify_modify_expr_rhs): Take volatiles into account when
5207         optimizing constructors.
5208         Do not optimize constructors if gimplify_init_constructor will dump to
5209         memory.
5210         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
5211         * gcc.c-torture/compile/pr34448.c: New.
5213 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
5215         PR gcov-profile/34609
5216         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
5217         return_slot if result is TREE_ADDRESSABLE.
5219 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
5221         * config/mips/mips.md (sqrt_condition): Tweak comment.
5222         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
5224 2008-01-03  Tom Tromey  <tromey@redhat.com>
5226         PR c/34457
5227         * c-common.c (c_type_hash): Handle VLAs.
5229 2008-01-03  Jan Hubicka  <jh@suse.cz>
5231         PR tree-optimization/31081
5232         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
5233         0 when inlining and not inlining to first basic block.
5234         (remap_decl): When var is initialized to 0, don't set default_def.
5235         (expand_call_inline): Set entry_bb.
5236         * tree-inline.h (copy_body_data): Add entry_bb.
5238 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5240         PR c++/34619
5241         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
5242         before returning.
5244         PR tree-optimization/29484
5245         * tree-inline.c (inline_forbidden_p_2): New function.
5246         (inline_forbidden_p): Disallow inlining if some static var
5247         has an address of a local LABEL_DECL in its initializer.
5248         * doc/extend.texi (Labels as Values): Document &&foo behaviour
5249         vs. inlining.
5251 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
5253         PR tree-optimization/34635
5254         * tree-data-ref.c (add_other_self_distances): Make sure that the
5255         evolution step is constant.
5257 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
5259         PR middle-end/34608
5260         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
5262 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
5264         * tree-sra.c (scalarize_init): Insert the generate_element_init
5265         statements after the generate_element_zero statements.
5267 2008-01-02  Richard Guenther  <rguenther@suse.de>
5269         PR middle-end/34093
5270         PR middle-end/31976
5271         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
5272         for very large number of operands instead of ICEing.
5274 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
5276         PR target/34013
5277         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
5278         while stack probing.
5280 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
5282         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
5283         in C++0x mode.
5285 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
5287         PR libmudflap/26442
5288         * tree-mudflap.c (mx_register_decls): Guard warning by
5289         !DECL_ARTIFICIAL check.
5291 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
5293         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
5294         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
5295         sse5_perm<mode>): Fix constraints.