configure.ac (java-home): new AC_ARG_ENABLE.
[official-gcc.git] / gcc / ChangeLog
blobf6da145f8158a191d04e39ca5eb7c03be39f791e
1 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
3         * doc/install.texi (--enable-java-home): Document.
4         (--enable-aot-compile-rpm): Likewise.
5         (--with-arch-directory): Likewise.
6         (--with-os-directory): Likewise.
7         (--with-origin-name): Likewise.
8         (--with-arch-suffix): Likewise.
9         (--with-jvm-root-dir): Likewise.
10         (--with-jvm-jar-dir): Likewise.
11         (--with-python-dir): Likewise.
13 2008-07-02  Richard Guenther  <rguenther@suse.de>
15         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
16         from decls explicitly.  Merge operand checking from tuples.
18 2008-07-02  Martin Jambor  <mjambor@suse.cz>
20         * tree-switch-conversion.c: Included timevar.h which I forgot before.
21         
22 2008-07-02  Martin Jambor  <mjambor@suse.cz>
24         * tree-switch-conversion.c: Included timevar.h
25         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
27         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
29 2008-07-02  Martin Jambor  <mjambor@suse.cz>
31         * tree-switch-conversion.c: Corrected various comments and
32         whitespace issues
33         (build_constructors): Fixed minor formatting mistakes.
35         * invoke.texi (Optimize Options): Corrected the
36         switch-conversion-max-branch-ratio parameter.
38 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
40         * final.c (asm_insn_count): Return zero for an empty asm body.
42 2008-07-02  Richard Guenther  <rguenther@suse.de>
44         * bitmap.h (bitmap_set_bit): Return bool.
45         (bitmap_clear_bit): Likewise.
46         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
47         write to the bitmap if it would.
48         (bitmap_clear_bit): Likewise.
49         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
50         bitmap_set_bit return value.
51         (add_pred_graph_edge): Likewise.
52         (add_graph_edge): Likewise.
53         (do_sd_constraint): Likewise.
54         (do_ds_constraint): Likewise.
56 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
58         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
59         Fix -Wc++-compat and/or -Wcast-qual warnings.
60         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
61         gen_regparm_prefix): Likewise.
62         * vmsdbgout.c (write_modbeg, lookup_filename,
63         vmsdbgout_source_line, vmsdbgout_init): Likewise.
65 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
67         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
68         defaults.h definition apply.
70 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
72         * function.c (assign_parm_remove_parallels): New.
73         (assign_parm_setup_block_p): Do not return true for non-BLKmode
74         PARALLELs.
75         (assign_parm_setup_block): Do not handle them.
76         (assign_parm_setup_reg, assign_parm_setup_stack): Call
77         assign_parm_remove_parallels.
79 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
81         * c-typeck.c (convert_for_assignment): Use
82         vector_targets_convertible_p.
83         * c-common.c (vector_targets_convertible_p): New.
84         * c-common.h (vector_targets_convertible_p): New prototype.
85         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
86         opaque_p_V2SI_type_node.
88 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
90         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
91         RFmode constants.
93 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
95         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
96         TFmode constants via two element DImode vector for hosts with
97         HOST_BITS_PER_WIDE_INT < 64.
98         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
99         also for HOST_BITS_PER_WIDE_INT < 64.
101 2008-07-01  Richard Guenther  <rguenther@suse.de>
103         PR tree-optimization/36666
104         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
105         (get_constraint_exp_from_ssa_var): Split into ...
106         (get_constraint_exp_for_temp): ... this ...
107         (get_constraint_for_ssa_var): ... and that.
108         Return constraint expressions for all touched sub-fields
109         if the results address is not taken.
110         (process_constraint): Remove assertion that aggregate
111         assignments do not happen at this place.
112         (get_constraint_for_component_ref): Add address_p argument.
113         Return constraint expressions for all touched sub-fields
114         if the results address is not taken.
115         (do_deref): Use get_constraint_exp_for_temp.
116         (get_constraint_for_1): Rename from ...
117         (get_constraint_for): ... this.  Add the old function as wrapper.
118         (do_structure_copy): Use get_constraint_for_1.
120 2008-07-01  Martin Jambor  <mjambor@suse.cz>
122         * Makefile.in (tree-switch-conversion.o): Add.
123         (OBJS-common): Add tree-swtch-conversion.o.
124         * passes.c (init_optimization_passes): Add pass_convert_switch.
125         * tree-pass.h: (pass_convert_switch): Add.
126         * tree-switch-conversion.c: New file.
127         * gcc.dg/tree-ssa/cswtch.c: New testcase.
128         * common.opt (ftree-cswtch): New option.
129         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
130         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
131         * opts.c (decode_options): Set flag_tree_switch_conversion when
132         optimization level is >= 2.
133         * doc/invoke.texi (Optimize Options): Added description of
134         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
136 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
138         * config/darwin-driver.c (darwin_default_min_version): Fix
139         -Wc++-compat warnings.
141 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
143         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
144         of operand 0.
146 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
148         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
149         
150 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
152         PR rtl-optimization/34744
153         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
154         (df_scan_free_internal): Free data structures not
155         allocated in storage pools.
156         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
157         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
158         df_scan_free_mws_vec.
159         * dse.c (dse_step6): Free offset_map_p and offset_map_n
160         unconditionally.
162 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
164         * config/i386/i386.c (contains_aligned_value_p): Return true
165         for __float128.
166         (ix86_function_arg_boundary): Return its natural boundary
167         for __float128.
168         (return_in_memory_32): Don't check TDmode.
169         (ix86_split_to_parts): Support splitting into 4 parts and
170         support TFmode for 32bit target.
171         (ix86_split_long_move): Support splitting into 4 parts.
172         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
173         for SSE2.
174         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
175         (ix86_init_builtins): Here.
176         (ix86_scalar_mode_supported_p): Always return true for TFmode.
177         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
178         'q' and 'w', respectively. 
180         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
181         TARGET_64BIT.
182         (movtf_internal): Likewise.
183         (<code>tf2): Likewise.
184         (*absnegtf2_sse): Likewise.
185         (copysign<mode>3): Likewise.
186         (copysign<mode>3_const): Likewise.
187         (copysign<mode>3_var): Likewise.
188         (define_split UNSPEC_COPYSIGN): Likewise.
189         * config/i386/sse.md (*nandtf3): Likewise.
190         (<code>tf3): Likewise.
191         (*<code>tf3): Likewise.
193 2008-06-30  Joey Ye  <joey.ye@intel.com>
194             H.J. Lu  <hongjiu.lu@intel.com>
196         * global.c (compute_regsets): Set frame_pointer_needed here.
197         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
199 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
201         * doc/install.texi (specific): Expand Windows build notes.
203 2008-06-30  Ira Rosen  <irar@il.ibm.com>
205         PR tree-optimization/36648
206         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
207         number of prolog iterations by step. Fix the comment.
209 2008-06-30  Richard Guenther  <rguenther@suse.de>
211         PR middle-end/36671
212         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
213         handle calls from ECF_MALLOC functions.
214         (handle_pure_call): ECF_MALLOC functions do not return
215         call-used memory.
216         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
218 2008-06-29  Andreas Schwab  <schwab@suse.de>
220         * config/m68k/m68k.c (print_operand): Always print a float
221         constant in hex.
222         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
223         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
224         Remove macros.
226         * config/rs6000/x-linux64: Remove never used file.
228 2008-06-29  Richard Guenther  <rguenther@suse.de>
230         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
231         prototype.
232         (struct alias_info): Move ...
233         * tree-ssa-alias.c: ... here.
234         (update_alias_info): Declare.
235         (compute_may_aliases): Call it.
236         (update_alias_info): New function.
237         * tree-ssa-structalias.c (update_alias_info): Move ...
238         * tree-ssa-alias.c (update_alias_info_1): ... here.
239         * tree-ssa-structalias.c (process_constraint_1): Remove
240         unused from_call argument.  Rename to ...
241         (process_constraint): ... this.  Delete old wrapper.
242         (make_constraint_to): Adjust callers.
243         (handle_const_call): Likewise.
244         (handle_pure_call): Likewise.
245         (init_base_vars): Likewise.
246         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
247         (find_func_aliases): We don't need structure copies for
248         complex types.
249         (make_constraint_from_anything): Remove.
250         (create_variable_info_for): For globals make constraints
251         from escaped, not from anything.
252         (compute_points_to_sets): Do not call update_alias_info.
253         (ipa_pta_execute): Use make_constraint_from.
255 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
257         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
258         (bitmap.o-warn, dominance.o-warn): New.
259         * configure.ac (cxx_compat_warn): Delete.
260         (loose_warn): Add -Wcast-qual and -Wc++-compat.
261         * system.h: Remove #pragma diagnostic for -Wcast-qual and
262         -Wc++-compat.
263         * configure: Regenerate.
265         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
266         warnings.
268 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
270         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
271         * df-scan.c (df_notes_rescan): Likewise.
272         * ggc-page.c (set_page_table_entry): Likewise.
273         * intl.c (gcc_gettext_width): Likewise.
274         * varasm.c (get_unnamed_section, get_noswitch_section,
275         get_section): Likewise.
277 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
279         * regrename.c (build_def_use): Don't copy RTX.
281 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
283         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
284         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
285         punctuation.  Use @ref instead of @xref.
286         (Function Names): Remove stray @display/@end display.
287         (C++ Attributes): Use @ref instead of @xref.
288         (Deprecated Features): Fix punctuation around @xref.
289         (Backwards Compatibility): Likewise.
290         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
292 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
294         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
295         constants for E500 double.
297 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
299         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
300         element type of const_vector.
302 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
304         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
305         Remove FLAGS_REG clobber from expander pattern.
306         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
307         (anddi3, andsi3, andhi3, andqi3): Ditto.
308         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
309         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
310         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
311         (ashlsi3, ashlhi3, ashlqi3): Ditto.
312         (ashrsi3, ashrhi3, ashrqi3): Ditto.
313         (lshrsi3, lshrhi3, lshrqi3): Ditto.
314         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
315         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
317 2008-06-28  Richard Guenther  <rguenther@suse.de>
319         * tree-ssa-structalias.c (callused_id, var_callused,
320         callused_tree): Add.
321         (handle_pure_call): New function.
322         (find_func_aliases): Call it.
323         (find_what_p_points_to): Handle the call-used set.
324         (clobber_what_escaped): Likewise.
325         (compute_call_used_vars): New function.
326         (init_base_vars): Init the call-used variable.
327         (do_sd_constraint): Do not propagate the solution from CALLUSED
328         but use CALLUSED as a placeholder.
329         (solve_graph): Likewise.
330         * tree-flow-inline.h (gimple_call_used_vars): New function.
331         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
332         (compute_call_used_vars): Declare.
333         * tree-ssa-alias.c (set_initial_properties): Call
334         compute_call_used_vars.
335         (reset_alias_info): Clear call-used variables.
336         (add_call_clobber_ops): Assert we are not called for const/pure
337         functions.  Remove handling of them.
338         (add_call_read_ops): Handle pure functions by adding the
339         call-used set of variables as VUSEs.
340         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
341         (delete_tree_ssa): Free it.
342         * tree-dfa.c (remove_referenced_var): Clear the var from the
343         call-used bitmap.
345 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
347         * tree.c (build_varargs_function_type_list): New.
348         (build_function_type_list_1): New.
349         (build_function_type_list): Use build_function_type_list_1.
350         * tree.h (build_varargs_function_type_list): New.
352 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
354         PR target/34856
355         * config/spu/spu.c (spu_builtin_splats): Do not generate
356         invalid CONST_VECTOR expressions.
357         (spu_expand_vector_init): Likewise.
359 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
361         * optabs.c (libfunc_decls): New variable.
362         (libfunc_decl_hash, libfunc_decl_eq): New functions.
363         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
364         for the same function twice.
366 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
368         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
369         ix86_expand_binary_operator directly.
370         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
371         for operand 2.
372         (*ashrti3_1): Ditto.
373         (*lshrti3_1): Ditto.
374         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
375         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
376         using only one splitter.  Conditionaly execute splitter before or
377         after peephole2 pass.
378         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
379         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
380         Use only one alternative in asm template.
381         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
382         in asm template.
383         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
384         "J" operand constraint for operand 2.
385         (*ashldi3_cconly_rex64): Ditto.
386         (*ashrdi3_cmp_rex64): Ditto.
387         (*ashrdi3_cconly_rex64): Ditto.
388         (*lshrdi3_cmp_rex64): Ditto.
389         (*lshrdi3_cconly_rex64): Ditto.
390         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
391         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
392         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
393         gen_x86_shrd_1.
395 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
397         * gimplify.c (omp_is_private): Don't return true if decl is not
398         already private on #pragma omp for or #pragma omp parallel for.
400         PR debug/36617
401         * tree-cfg.c (struct move_stmt_d): Replace block field with
402         orig_block and new_block fields.
403         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
404         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
405         (move_block_to_fn): Replace vars_map and new_label_map arguments
406         with struct move_stmt_d pointer.
407         (replace_block_vars_by_duplicates): New function.
408         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
409         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
410         all subblocks of ORIG_BLOCK to the new function.  Call
411         replace_block_vars_by_duplicates.
412         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
413         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
414         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
415         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
416         (expand_omp): Temporarily set input_location to the location of
417         region's controlling stmt.
418         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
419         BIND_EXPR, push ctx->block_vars and gimplification vars into
420         the BIND_EXPR and its block's BLOCK_VARS instead of directly
421         into dest function.
422         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
423         there are any BLOCK_VARS.
424         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
425         OMP_PARALLEL or OMP_TASK stmt.
426         (lower_omp): Save and restore input_location around the lower_omp_1
427         call.
429 2008-06-27  Richard Guenther  <rguenther@suse.de>
431         PR tree-optimization/36400
432         PR tree-optimization/36373
433         PR tree-optimization/36344
434         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
435         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
436         (update_alias_info): Remove call clobbering code.
437         (make_constraint_to): New helper function.
438         (make_escape_constraint): Likewise.
439         (handle_rhs_call): Use it on all pointer containing arguments.
440         Also mark the static chain escaped.
441         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
442         instead of ANYTHING.
443         (make_constraint_from): New helper split out from ...
444         (make_constraint_from_anything): ... here.
445         (find_func_aliases): Add constraints for escape sites.
446         (intra_create_variable_infos): Make constraints from NONLOCAL
447         for parameters.
448         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
449         as ANYTHING.
450         (clobber_what_p_points_to): Remove.
451         (clobber_what_escaped): New function.
452         (init_base_vars): Init NONLOCAL and ESCAPED.
453         (do_sd_constraint): Do not propagate the solution from ESCAPED
454         but use ESCAPED as a placeholder.
455         (solve_graph): Likewise.
456         * tree-flow.h (clobber_what_p_points_to): Remove.
457         (clobber_what_escaped): Declare.
458         * tree-ssa-alias.c (set_initial_properties): Call it.
459         Remove code clobbering escaped pointers.
461 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
463         * function.c (allocate_struct_function): Only allocate a unique
464         funcdef_no if the decl is nonzero.
466 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
468         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
469         * config/mips/mips.c (mips_split_const_insns): New function.
470         * config/mips/mips.md (move_type): New attribute.
471         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
472         (dword_mode): New attribute.
473         (type): Avoid long line.  Map "move_type"s to "type"s,
474         choosing "multi" for doubleword moves if appropriate.
475         Swap MTC/MFC comments to match their declaration order.
476         (extended_mips16): Default to "yes" if "move_type" is "sll0",
477         "type" is "branch" or "jal" is "direct".
478         (length): Handle "extended_mips16" first.  Make the default
479         "0" for "ghost" instructions.  Set the length from "move_type".
480         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
481         of "type", with "sll0" for the register alternative.  Remove the
482         "extended_mips16" attribute.
483         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
484         of "type", with "shift_shift" for the register alternative.
485         Remove the "length" attribute.
486         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
487         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
488         of "type", with "andi" for the register alternative.
489         (*zero_extendqihi2): Likewise.
490         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
491         of "andi" instead of a "type" of "arith".
492         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
493         instead of "type".
494         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
495         (mov_<store>r, *mov<mode>_ra): Likewise.
496         (extendsidi2): Use "move_type" instead of "type", with "move"
497         for the register alternative.
498         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
499         of "type", with "signext" for the register alternative.
500         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
501         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
502         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
503         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
504         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
505         (unnamed branch insn): Likewise.
506         (*movdi_gp32_fp64): Fold into...
507         (*movdi_32bit): ...here.
508         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
509         (*movdf_hardfloat): ...this new pattern.
510         (*movdf_softfloat): Remove redundant FPR alternatives.
511         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
512         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
513         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
514         the "move" attribute.
515         (*movdi_32bit): Use "move_type" instead of "type" and remove the
516         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
517         and "store" for COP loads and stores.
518         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
519         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
520         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
521         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
522         (*movtf_mips16, *movv2sf): Likewise.
523         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
524         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
525         (mfhc1<mode>): Use "move_type" instead of "move".
526         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
527         (loadgp_blockage): Remove the "length" attribute.
528         (blockage, set_got_version, update_got_version): Likewise.
529         (call_internal): Remove the "extended_mips16" attribute.
530         (call_value_internal, call_value_multiple_internal): Likewise.
531         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
532         instead of "move".
533         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
534         the "length" attribute.
536 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
538         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
539         -Wcast-qual warnings.
540         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
541         handle_pragma_pop_macro): Likewise.
542         * collect2.c (resolve_lib_name): Likewise.
543         * config/arc/arc.c (arc_init): Likewise.
544         * config/arm/arm.c (neon_builtin_compare,
545         locate_neon_builtin_icode): Likewise.
546         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
547         * config/bfin/bfin.c (bfin_init_machine_status,
548         bfin_optimize_loop): Likewise.
549         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
550         * config/cris/cris.c (cris_init_expanders): Likewise.
551         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
552         * config/darwin.c (machopic_indirection_eq,
553         machopic_indirection_name, machopic_output_indirection): Likewise.
554         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
555         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
556         frv_optimize_membar): Likewise.
557         * config/i386/cygwin.h (mingw_scan,
558         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
559         * config/i386/cygwin1.c (mingw_scan): Likewise.
560         * config/i386/i386.c (machopic_output_stub): Likewise.
561         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
562         i386_pe_unique_section): Likewise.
563         * config/ia64/ia64.c (ia64_init_machine_status,
564         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
565         Likewise.
566         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
567         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
568         * config/m68k/m68k.c (m68k_handle_option,
569         m68k_sched_md_init_global): Likewise.
570         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
571         mcore_unique_section): Likewise.
572         * config/mips/mips.c (mips_block_move_straight,
573         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
574         Likewise.
575         * config/mmix/mmix.c (mmix_init_machine_status,
576         mmix_encode_section_info): Likewise.
577         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
578         * config/rs6000/rs6000.c (rs6000_init_machine_status,
579         print_operand_address, output_toc, redefine_groups,
580         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
581         * config/s390/s390.c (s390_init_machine_status): Likewise.
582         * config/score/score.c (score_block_move_straight,
583         score_block_move_loop_body): Likewise.
584         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
585         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
586         * emit-rtl.c (find_auto_inc): Likewise.
587         * gcc.c (translate_options, process_command): Likewise.
588         * reorg.c (dbr_schedule): Likewise.
589         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
590         * xcoffout.c (xcoffout_declare_function): Likewise.
592 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
594         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
595         ipa-pta working again.
597 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
599         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
600         genautomata.
602 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
604         * config.gcc (powerpc*-*-*): Add new core e500mc.
605         * config/rs6000/e500mc.md: New file.
606         * config/rs6000/rs6000.c (processor_costs): Add new costs for
607         e500mc.
608         (rs6000_override_options): Add e500mc case to
609         processor_target_table. Altivec and Spe options not allowed
610         with e500mc. Add isel instruction to e500mc by
611         default. Initialize rs6000_cost for e500mc.
612         (rs6000_issue_rate): Set issue rate for e500mc.
613         * config/rs6000/rs6000.h (processor_type): Add
614         PROCESSOR_PPCE500MC.
615         (ASM_CPU_SPEC): Add e500mc.
616         Set TARGET_ISEL to rs6000_isel.
617         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
618         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
619         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
620         Include e500mc.md.
621         * doc/invoke.texi: Add e500mc to list of cpus.
623 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
625         PR c/34867
626         * c-lex.c (lex_charconst): Initialize unsignedp.
628 2008-06-27  Olivier Hainque  <hainque@adacore.com>
630         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
631         documented assumptions.
633 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
635         * dwarf2out.c: Remove trailing white spaces.  Break long line
636         in comments.
638 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
640         * libfuncs.h (LTI_synchronize): New libfunc_index.
641         (synchronize_libfunc): Declare.
642         * builtins.c (expand_builtin_synchronize): Consider using
643         synchronize_libfunc before falling back on an asm blockage.
644         * config/mips/mips.c: Include libfuncs.h
645         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
647 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
649         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
650         parameter.  Copy stack_reg to r11 where appropriate.
651         (no_global_regs_above): Add gpr parameter.
652         (rs6000_stack_info): Only add padding for SPE save area if we
653         are saving SPE GPRs and CR.
654         (saveres_routine_syms): New variable.
655         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
656         Define.
657         (rs6000_savres_routine_sym): New function.
658         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
659         split out of...
660         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
661         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
662         Tweak FPR out-of-line saving.
663         (rs6000_make_savres_rtx): New function.
664         (rs6000_use_multiple_p): New function.
665         (rs6000_savres_strategy): New function.
666         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
667         out-of-line if appropriate.
668         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
669         if we are optimizing for size.
670         (GP_SAVE_INLINE): Define.
671         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
672         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
673         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
674         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
675         (*save_fpregs_<mode>): Add use of r11.
676         (*restore_gpregs_<mode>): New insn.
677         (*return_and_restore_gpregs_<mode>): New insn.
678         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
679         use r11.
680         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
681         (*restore_gpregs_spe): New insn.
682         (*return_and_restore_gpregs_spe): New insn.
683         * config/rs6000/predicates.md (save_world_operation): Fix check.
685 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
687         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
688         this point, so assert that.
690 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
692         * cfganal.c: Include vec.h and vecprim.h.
693         (compute_idf): Import from...
694         * tree-into-ssa (compute_idf): ...here.
695         * basic-block.h (compute_idf): Export.
697 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
699         * c-decl.c (merge_decls): Use !current_function_decl to check for
700         extern declaration of C99 inline function being at file scope.
702 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
704         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
706 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
708         * alias.c (record_alias_subset, init_alias_analysis): Fix
709         -Wc++-compat and/or -Wcast-qual warnings.
710         * attribs.c (lookup_attribute_spec): Likewise.
711         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
712         copy_bb, connect_traces,
713         find_rarely_executed_basic_blocks_and_cr): Likewise.
714         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
715         note_btr_set, migrate_btr_defs): Likewise.
716         * builtins.c (result_vector, expand_builtin_memcpy,
717         expand_builtin_mempcpy_args, expand_builtin_strncpy,
718         builtin_memset_read_str, expand_builtin_printf,
719         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
720         Likewise.
721         * caller-save.c (mark_set_regs): Likewise.
722         * calls.c (expand_call, emit_library_call_value_1): Likewise.
723         * cgraph.c (cgraph_edge): Likewise.
724         * combine.c (likely_spilled_retval_1): Likewise.
725         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
726         htab_counts_entry_del, get_coverage_counts): Likewise.
727         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
728         new_cselib_val): Likewise.
729         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
730         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
731         Likewise.
732         * df-core.c (df_compact_blocks): Likewise.
733         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
734         * df-scan.c (df_grow_reg_info, df_ref_create,
735         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
736         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
737         df_record_entry_block_defs, df_record_exit_block_uses,
738         df_bb_verify): Likewise.
739         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
740         DF_REF_EXTRACT_MODE_CONST): New.
741         * dominance.c (get_immediate_dominator, get_dominated_by,
742         nearest_common_dominator, root_of_dom_tree,
743         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
744         -Wc++-compat and/or -Wcast-qual warnings.
745         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
746         record_store, replace_read, check_mem_read_rtx, scan_insn,
747         dse_step1, dse_record_singleton_alias_set): Likewise.
748         * dwarf2asm.c (dw2_force_const_mem): Likewise.
750 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
752         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
753         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
754         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
755         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
756         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
757         add_ranges_num, add_ranges_by_labels, file_info_cmp,
758         file_name_acquire, output_file_names, add_const_value_attribute,
759         premark_used_types_helper, file_table_eq, file_table_hash,
760         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
761         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
762         -Wcast-qual warnings.
763         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
764         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
765         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
766         gen_reg_rtx, start_sequence, init_emit): Likewise.
767         * et-forest.c (et_new_occ, et_new_tree): Likewise.
768         * except.c (init_eh_for_function, gen_eh_region,
769         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
770         arh_to_landing_pad, arh_to_label, add_action_record,
771         add_call_site, switch_to_exception_section): Likewise.
772         * expmed.c (synth_mult): Likewise.
773         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
774         store_expr): Likewise.
775         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
776         Likewise.
777         * function.c (assign_stack_temp_for_type,
778         allocate_struct_function, match_asm_constraints_1): Likewise.
779         * gcov-io.c (gcov_allocate): Likewise.
780         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
781         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
782         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
783         record_one_set, insert_expr_in_table, insert_set_in_table,
784         dump_hash_table, compute_hash_table_work, alloc_hash_table,
785         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
786         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
787         -Wcast-qual warnings.
789 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
791         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
792         -Wcast-qual warnings.
793         * gcc.c (process_command): Likewise.
794         * genattrtab.c (oballoc): Use XOBNEW.
795         (oballocvec): Define.
796         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
797         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
798         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
799         -Wc++-compat and/or -Wcast-qual warnings.
800         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
801         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
802         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
803         gen_presence_absence_set, gen_automaton, gen_regexp_el,
804         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
805         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
806         add_excls, process_presence_absence_names,
807         process_presence_absence_patterns, add_presence_absence,
808         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
809         get_free_state, add_arc, get_free_automata_list_el,
810         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
811         transform_3, cache_presence, create_ainsns, create_automata,
812         create_state_ainsn_table, dfa_insn_code_enlarge,
813         output_trans_func, output_min_issue_delay_func,
814         output_dead_lock_func, output_reset_func,
815         output_get_cpu_unit_code_func, output_dfa_start_func,
816         expand_automata): Likewise.
817         * genextract.c (gen_insn): Likewise.
818         * gengtype-lex.l: Likewise.
819         * gengtype.c (read_input_list, adjust_field_type,
820         process_gc_options): Likewise.
821         * genoutput.c (note_constraint): Likewise.
822         * genpreds.c (mangle, add_constraint): Likewise.
823         * genrecog.c (process_define_predicate, new_decision,
824         add_to_sequence): Likewise.
825         * gensupport.c (record_insn_name): Likewise.
827 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
829         * config/i386/driver-i386.c (detect_caches_amd,
830         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
831         and/or -Wcast-qual warnings.
832         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
833         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
834         gt_pch_save): Likewise.
835         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
836         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
837         * global.c (compute_regsets): Likewise.
838         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
839         finish_graph_dump_file): Likewise.
840         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
841         unlink_bb_notes): Likewise.
842         * integrate.c (get_hard_reg_initial_val): Likewise.
843         * ipa-prop.c (ipa_push_func_to_list): Likewise.
844         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
845         * local-alloc.c (update_equiv_regs): Likewise.
846         * loop-invariant.c (check_invariant_table_size,
847         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
848         Likewise.
849         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
850         altered_reg_used, mark_altered): Likewise.
851         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
852         insert_var_expansion_initialization,
853         combine_var_copies_in_loop_exit, apply_opt_in_copies,
854         release_var_copies): Likewise.
855         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
856         analyze_matrix_decl, add_allocation_site, analyze_transpose,
857         analyze_accesses_for_phi_node, check_var_notmodified_p,
858         check_allocation_function, find_sites_in_func,
859         record_all_accesses_in_func, transform_access_sites,
860         transform_allocation_sites): Likewise.
861         * omp-low.c (new_omp_region, create_omp_child_function_name,
862         check_omp_nesting_restrictions, check_combined_parallel,
863         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
864         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
865         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
866         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
867         Likewise.
868         * opts-common.c (prune_options): Likewise.
869         * opts.c (add_input_filename, print_filtered_help,
870         get_option_state): Likewise.
871         * params.c (add_params): Likewise.
872         * passes.c (set_pass_for_id, next_pass_1,
873         do_per_function_toporder, pass_fini_dump_file): Likewise.
874         * postreload.c (reload_cse_simplify_operands): Likewise.
875         * predict.c (tree_predicted_by_p, tree_predict_edge,
876         clear_bb_predictions, combine_predictions_for_bb): Likewise.
878 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
880         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
881         warnings.
882         * recog.c (check_asm_operands, validate_change_1): Likewise.
883         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
884         subst_asm_stack_regs): Likewise.
885         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
886         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
887         * regmove.c (reg_is_remote_constant_p): Likewise.
888         * regrename.c (regrename_optimize, scan_rtx_reg,
889         kill_clobbered_value, kill_set_value, kill_autoinc_value):
890         Likewise.
891         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
892         regstat_compute_calls_crossed): Likewise.
893         * reload1.c (init_reload, new_insn_chain,
894         has_nonexceptional_receiver, reload, copy_reloads,
895         calculate_needs_all_insns, init_elim_table): Likewise.
896         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
897         * rtl.c (shallow_copy_rtx_stat): Likewise.
898         * rtlanal.c (parms_set): Likewise.
899         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
900         sbitmap_resize, sbitmap_vector_alloc): Likewise.
901         * sched-ebb.c (earliest_block_with_similiar_load,
902         add_deps_for_risky_insns): Likewise.
903         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
904         schedule_region): Likewise.
905         * see.c (eq_descriptor_pre_extension,
906         hash_descriptor_pre_extension, hash_del_pre_extension,
907         eq_descriptor_properties, hash_descriptor_properties,
908         hash_del_properties, see_seek_pre_extension_expr,
909         see_initialize_data_structures, see_print_register_properties,
910         see_print_pre_extension_expr, see_delete_merged_def_extension,
911         see_delete_unmerged_def_extension, see_emit_use_extension,
912         see_pre_delete_extension, see_map_extension, see_commit_changes,
913         see_analyze_merged_def_local_prop,
914         see_analyze_merged_def_local_prop,
915         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
916         see_set_prop_merged_def, see_set_prop_unmerged_def,
917         see_set_prop_unmerged_use, see_print_one_extension,
918         see_merge_one_use_extension, see_merge_one_def_extension,
919         see_store_reference_and_extension, see_update_uses_relevancy,
920         see_update_defs_relevancy): Likewise.
921         * statistics.c (hash_statistics_hash, hash_statistics_eq,
922         hash_statistics_free, curr_statistics_hash): Likewise.
923         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
924         expand_asm_operands, expand_return, case_bit_test_cmp,
925         expand_case): Likewise.
926         * stor-layout.c (start_record_layout): Likewise.
927         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
928         gt_pch_save_stringpool): Likewise.
929         * tree-data-ref.c (hash_stmt_vertex_info,
930         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
931         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
933 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
935         PR target/36627
936         * config/i386/i386.md : Change constraints of HImode and QImode
937         immediate operands from "i" to "n".  Change SImode "ni" constraint to
938         "i" and SImode "rmi" constraint to "g".  Remove all constraints
939         from const0_operand and const1_operand predicated operands.
940         (i): Change QImode and HImode attribute from "i" to "n".
941         (*subqi_2): Change HImode operands to QImode.
942         (*subqi_3): Ditto.
944 2008-06-25  Olivier Hainque  <hainque@adacore.com>
946         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
947         sed substitutions.
949 2008-06-25  Richard Guenther  <rguenther@suse.de>
951         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
952         not overflow the result type.
954 2008-06-25  Richard Guenther  <rguenther@suse.de>
956         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
957         (vn_lookup): Likewise.
959 2008-06-25  Richard Guenther  <rguenther@suse.de>
961         PR tree-optimization/35518
962         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
963         * tree-sra.c (instantiate_element): Use fold_build3 to build
964         BIT_FIELD_REFs.
965         (try_instantiate_multiple_fields): Likewise.
967 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
969         * config/rs6000/rs6000.md: Change all string instruction's clobber to
970         be early clobbers.
972 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
974         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
975         use_backchain_to_restore_sp to true
976         if the offset of the link register save area would go over the 32k - 1
977         offset limit of the load
978         instructions.
980 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
982         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
983         anchor for the type-punning blurb.  Cross-reference "Structures
984         unions enumerations and bit-fields implementation".  Provide a
985         cast-through-pointer example.  Make final sentence self-contained.
986         * doc/implement-c.texi (Structures unions enumerations and
987         bit-fields implementation): Cross-reference the type-punning blurb
988         in the -fstrict-aliasing documentation.
990 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
992         PR middle-end/36594
993         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
994         the memory instead of the memory itself for the save area.
996 2008-06-24  Olivier Hainque  <hainque@adacore.com>
997             Nicolas Roche  <roche@adacore.com>
999         * gengtype.c (srcdir_len): size_t instead of int.
1000         (get_file_realbasename): New function.  For F a filename, the real
1001         basename of F, with all the path components stripped.
1002         (get_file_srcdir_relative_path): New function.  For F a filename, the
1003         relative path to F from $(srcdir).
1004         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
1005         get_file_realbasename.  Adjust the head comment.
1006         (get_prefix_langdir_index): New function. For F a filename, return the
1007         lang_dir_names[] relative index of the language directory that is
1008         a prefix in F.
1009         (get_file_langdir): For F a filename, return the name of the language
1010         directory where F is located.
1011         (get_file_gtfilename): New function. The gt- output file name for an
1012         input filename F.
1013         (get_output_file_with_visibility): Replace in-line computations with
1014         uses of get_file_gtfilename and get_prefix_langdir_index.
1015         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
1017 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
1019         PR tree-optimization/36504
1020         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
1021         references without base address.
1023 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
1025         PR middle-end/36584
1026         * calls.c (expand_call): Increase alignment for recursive functions.
1028 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
1030         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
1031         (TARGET_FUNCTION_VALUE): New define.
1032         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
1033         * config/avr/avr.h (FUNCTION_VALUE): Remove.
1035 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
1037         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
1038         (fmod<mode>3): Ditto.
1039         (remainderxf3): Ditto.
1040         (remainder<mode>3): Ditto.
1042 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
1044         PR target/36533
1045         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
1046         REG is a hard register.
1048         PR tree-optimization/36508
1049         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
1050         499, don't check it at all in release compilers.
1052 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
1054         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
1055         together with SSE_TARGET_MATH to disable insn pattern.
1056         (*fop_<MODEF:mode>_2_i387): Ditto.
1057         (*fop_<MODEF:mode>_3_i387): Ditto.
1059 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
1061         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
1062         
1063 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
1065         PR middle-end/34906
1066         * gimplify.c (gimplify_asm_expr): Check the return code of
1067         parse_output_constraint call, set function return and is_inout
1068         value if it failed.
1070 2008-06-22  Ian Lance Taylor  <iant@google.com>
1072         * c-lex.c (narrowest_unsigned_type): Change itk to int.
1073         (narrowest_signed_type): Likewise.
1074         * c-typeck.c (c_common_type): Change local variable mclass to enum
1075         mode_class, twice.
1076         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
1077         tcc_comparison, not the tree code itself.
1078         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
1079         (c_expand_expr): Cast modifier to enum expand_modifier.
1080         * c-common.h (C_RID_CODE): Add casts.
1081         (C_SET_RID_CODE): Define.
1082         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
1083         (c_lex_one_token): Add cast to avoid warning.
1084         (c_parser_objc_type_name): Rename local typename to type_name.
1085         (check_no_duplicate_clause): Change code parameter to enum
1086         omp_clause_code.
1087         (c_parser_omp_var_list_parens): Change kind parameter to enum
1088         omp_clause_code.
1089         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
1090         c_parser_omp_list_var_parens.
1091         (c_parser_omp_threadprivate): Likewise.
1092         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
1093         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
1094         * c-format.c (NO_FMT): Define.
1095         (printf_length_specs): Use NO_FMT.
1096         (asm_fprintf_length_specs): Likewise.
1097         (gcc_diag_length_specs): Likewise.
1098         (scanf_length_specs): Likewise.
1099         (strfmon_length_specs): Likewise.
1100         (gcc_gfc_length_specs): Likewise.
1101         (printf_flag_specs): Change 0 to STD_C89.
1102         (asm_fprintf_flag_specs): Likewise.
1103         (gcc_diag_flag_specs): Likewise.
1104         (gcc_cxxdiag_flag_specs): Likewise.
1105         (scanf_flag_specs): Likewise.
1106         (strftime_flag_specs): Likewise.
1107         (strfmon_flag_specs): Likewise.
1108         (print_char_table): Likewise.
1109         (asm_fprintf_char_table): Likewise.
1110         (gcc_diag_char_table): Likewise.
1111         (gcc_tdiag_char_table): Likewise.
1112         (gcc_cdiag_char_table): Likewise.
1113         (gcc_cxxdiag_char_table): Likewise.
1114         (gcc_gfc_char_table): Likewise.
1115         (scan_char_table): Likewise.
1116         (time_char_table): Likewis.
1117         (monetary_char_table): Likewise.
1118         * c-format.h (BADLEN): Likewise.
1120 2008-06-21  Ian Lance Taylor  <iant@google.com>
1122         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
1123         Define END_OF_BASE_TREE_CODES around inclusion.
1124         * tree.c (tree_code_type): New global array.
1125         (tree_code_length, tree_code_name): Likewise.
1126         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
1127         $(lang_tree_files).
1128         (all-tree.def, s-alltree): New targets.
1129         (gencheck.h, s-gencheck): Remove.
1130         (tree.o): Depend upon all-tree.def.
1131         (build/gencheck.o): Remove gencheck.h dependency.
1132         (mostlyclean): Don't remove gencheck.h.
1133         * c-common.h (enum c_tree_code): Remove.
1134         * c-lang.c (tree_code_type): Remove.
1135         (tree_code_length, tree_code_name): Remove.
1136         * gencheck.c (tree_codes): Include all-tree.def, rather than
1137         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
1138         after it is used.
1139         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
1140         than tree.def.
1141         * cp/cp-tree.h (enum cplus_tree_code): Remove.
1142         (operator_name_info): Size to MAX_TREE_CODES.
1143         (assignment_operator_name_info): Likewise.
1144         * cp/cp-lang.c (tree_code_type): Remove.
1145         (tree_code_length, tree_code_name): Remove.
1146         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
1147         (assignment_operator_name_info): Likewise.
1148         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
1149         MAX_TREE_CODES.
1150         * cp/mangle.c (write_expression): Likewise.
1151         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
1152         * fortran/f95-lang.c (tree_code_type): Remove.
1153         (tree_code_length, tree_code_name): Remove.
1154         * java/java-tree.h (enum java_tree_code): Remove.
1155         * java/lang.c (tree_code_type): Remove.
1156         (tree_code_length, tree_code_name): Remove.
1157         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
1158         * objc/objc-act.h (enum objc_tree_code): Remove.
1159         * objc/objc-lang.c (tree_code_type): Remove.
1160         (tree_code_length, tree_code_name): Remove.
1161         * objcp/objcp-lang.c (tree_code_type): Remove.
1162         (tree_code_length, tree_code_name): Remove.
1163         * ada/ada-tree.h (enum gnat_tree_code): Remove.
1164         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
1165         * ada/misc.c (tree_code_type): Remove.
1166         (tree_code_length, tree_code_name): Remove.
1168 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
1170         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
1171         the grand_bitmap_obstack.
1173 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1175         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
1176         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
1177         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
1178         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
1179         move_stmt_r, new_label_mapper): Likewise.
1180         * tree-complex.c (cvc_lookup): Likewise.
1181         * tree-dfa.c (create_function_ann): Likewise.
1182         * tree-dump.c (dump_register): Likewise.
1183         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
1184         find_phi_replacement_condition): Likewise.
1185         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
1186         tree_function_versioning): Likewise.
1187         * tree-into-ssa.c (cmp_dfsnum): Likewise.
1188         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
1189         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
1190         get_nonlocal_debug_decl, convert_nonlocal_reference,
1191         convert_nonlocal_omp_clauses, get_local_debug_decl,
1192         convert_local_reference, convert_local_omp_clauses,
1193         convert_nl_goto_reference, convert_nl_goto_receiver,
1194         convert_tramp_reference, convert_call_expr): Likewise.
1195         * tree-outof-ssa.c (contains_tree_r): Likewise.
1196         * tree-parloops.c (reduction_phi, initialize_reductions,
1197         eliminate_local_variables_1, add_field_for_reduction,
1198         add_field_for_name, create_phi_for_local_result,
1199         create_call_for_reduction_1, create_loads_for_reductions,
1200         create_stores_for_reduction, create_loads_and_stores_for_name):
1201         Likewise.
1202         * tree-phinodes.c (allocate_phi_node): Likewise.
1203         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
1204         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
1205         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
1206         * tree-ssa-coalesce.c (compare_pairs): Likewise.
1207         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
1208         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
1209         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
1210         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise. 
1211         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
1212         vn_nary_op_insert): Likewise.
1213         * tree-ssa.c (redirect_edge_var_map_add,
1214         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
1215         * tree-vectorizer.c (vectorize_loops): Likewise.
1216         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
1217         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
1218         tree_cons_stat, build1_stat, build_variant_type_copy,
1219         decl_init_priority_lookup, decl_fini_priority_lookup,
1220         decl_priority_info, decl_restrict_base_lookup,
1221         decl_restrict_base_insert, decl_debug_expr_lookup,
1222         decl_debug_expr_insert, decl_value_expr_lookup,
1223         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
1224         type_hash_add, get_file_function_name, tree_check_failed,
1225         tree_not_check_failed, tree_range_check_failed,
1226         omp_clause_range_check_failed, build_omp_clause,
1227         build_vl_exp_stat): Likewise.
1228         * value-prof.c (gimple_histogram_value,
1229         gimple_duplicate_stmt_histograms): Likewise.
1230         * var-tracking.c (attrs_list_insert, attrs_list_copy,
1231         unshare_variable, variable_union_info_cmp_pos, variable_union,
1232         dataflow_set_different_1, dataflow_set_different_2,
1233         vt_find_locations, variable_was_changed, set_variable_part,
1234         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
1235         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
1236         section_entry_hash, object_block_entry_eq,
1237         object_block_entry_hash, create_block_symbol,
1238         initialize_cold_section_name, default_function_rodata_section,
1239         strip_reg_name, set_user_assembler_name, const_desc_eq,
1240         build_constant_desc, output_constant_def, lookup_constant_def,
1241         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
1242         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
1243         default_internal_label): Likewise.
1244         * varray.c (varray_init, varray_grow): Likewise.
1245         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
1247 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
1249         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
1250         operators for "test" insn.  Macroize insn using SWI mode macro.
1251         (*jcc_fused_2): Ditto.
1252         (*jcc_fused_3): Macroize insn using SWI mode macro.
1253         (*jcc_fused_4): Ditto.
1255 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
1257         * tree-ssa-pre.c: Fix typo in comment.
1258         (init_antic, fini_antic): Add explicit funtions for
1259         initializing and deinitializing ANTIC and AVAIL sets.
1260         (create_expression_by_pieces): Fix typo in comment.
1261         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
1262         (execute_pre): Eventually dump details about ANTIC_IN.
1264 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1266         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
1267         * gcc.c (translate_options, init_spec, store_arg, read_specs,
1268         add_to_obstack, file_at_path, find_a_file, execute,
1269         add_preprocessor_option, add_assembler_option, add_linker_option,
1270         process_command, insert_wrapper, do_option_spec, do_self_spec,
1271         spec_path, do_spec_1, is_directory, main, used_arg,
1272         getenv_spec_function): Likewise.
1273         * tlink.c (symbol_hash_lookup, file_hash_lookup,
1274         demangled_hash_lookup, symbol_push, file_push, frob_extension):
1275         Likewise.
1277 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1279         * doc/rtl.texi: Updated subreg section.
1281 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
1283         PR c++/36523
1284         * cgraphunit.c (cgraph_process_new_functions): Don't clear
1285         node->needed and node->reachable.
1286         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
1287         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
1288         (expand_task_call): Don't call expand_task_copyfn.
1289         (expand_task_copyfn): Renamed to...
1290         (finalize_task_copyfn): ... this.
1292 2008-06-19  Jan Hubicka  <jh@suse.cz>
1294         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
1295         clobbering framepointer.
1297 2008-06-19  Jan Hubicka  <jh@suse.cz>
1299         * tree-optimize.c (execute_early_local_optimizations): Set
1300         cgraph_state only at first invocation.
1302 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1304         * system.h (-Wc++-compat): Activate as a warning, no an error.
1306 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
1308         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
1309         instead of "#" in insn asm template.
1310         (*jcc_fused_2): Ditto.
1312 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
1314         * config/i386/i386.h (ix86_tune_indices)
1315         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
1316         (TARGET_FUSE_CMP_AND_BRANCH): New define.
1317         * config/i386/i386.md (*jcc_fused_1): New insn pattern
1318         (*jcc_fused_2): Ditto.
1319         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
1320         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
1321         (print operand): Handle 'E' and 'e' code.
1323 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
1325         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
1326         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1327         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1329 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
1331         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
1332         node->decl.
1333         (cgraph_expand_function): Use local copy of decl.
1334         (cgraph_expand_all_functions): Remove redundant initialization of
1335         order_pos.
1336         (cgraph_optimize): Reword internal_error message.
1338 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
1340         * arm-protos.h (arm_return_in_memory): Remove public
1341         arm_return_in_memory() prototype.
1342         * arm.c (arm_return_in_memory): Add static prototype, add target
1343         hook macro, change definition and comments.
1344         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
1346 2008-06-19  Ben Elliston  <bje@au.ibm.com>
1348         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
1349         real.c: Remove references to IEEE 754R.
1350         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
1351         * doc/libgcc.texi (Decimal float library routines): Likewise.
1353 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1355         * targhooks.h (struct gcc_target): New member unwind_word_mode.
1356         (default_unwind_word_mode): Add prototype.
1357         * targhooks.c (default_unwind_word_mode): New function.
1358         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
1359         instead of word_mode.
1360         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
1361         (TARGET_INITIALIZER): Use it.
1363         * c-common.c (handle_mode_attribute): Support "unwind_word"
1364         mode attribute.
1365         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
1367         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
1368         word_mode to access SjLj_Function_Context member "data".
1369         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
1370         conversion from targetm.eh_return_filter_mode () to
1371         targetm.unwind_word_mode () if they differ.
1373         * builtin-types.def (BT_UNWINDWORD): New primitive type.
1374         (BT_FN_UNWINDWORD_PTR): New function type.
1375         (BT_FN_WORD_PTR): Remove.
1376         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
1377         * except.c (expand_builtin_extend_pointer): Convert pointer to
1378         targetm.unwind_word_mode () instead of word_mode.
1380         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
1381         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
1382         (spu_unwind_word_mode): New function.
1383         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
1384         (TARGET_UNWIND_WORD_MODE): Define.
1385         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
1387 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1389         * config/spu/spu.c (reg_align): Remove.
1390         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
1391         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
1392         (spu_split_store): Likewise.
1394 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
1396         * gcc/tree-vn.c: Fix typo in comment.
1398 2008-06-18  Jan Hubicka  <jh@suse.cz>
1400         * cgraphunit.c (cgraph_optimize): Output debug info when doing
1401         toplevel reorder too.
1403 2008-06-18  Jan Hubicka  <jh@suse.cz>
1405         * c-opts.c (c_common_post_options): PCH is not compatible with
1406         no-unit-at-a-time.
1407         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
1408         -fno-toplevel-reorder by default now.
1410 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1412         PR documentation/30739
1413         * doc/install.texi (Prerequisites): Document dependency on awk.
1415 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
1416             Ian Lance Taylor  <iant@google.com>
1418         PR rtl-optimization/35604
1419         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
1420         only want to change jump destinations, not eventual label comparisons.
1422 2008-06-16  Jan Hubicka  <jh@suse.cz>
1424         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
1425         syntax errors.
1426         (cgraph_analyze_function): Likewise.
1428 2008-06-16  Jan Hubicka  <jh@suse.cz>
1430         * cgraph.h (cgraph_mark_if_needed): New function.
1431         * cgraphunit.c (cgraph_mark_if_needed): New function.
1432         * c-decl.c (duplicate_decl): Use it.
1434 2008-06-16  Jan Hubicka  <jh@suse.cz>
1436         * cgraph.c (cgraph_add_new_function): When in expansion state, do
1437         lowering.
1439 2008-06-16  Jan Hubicka  <jh@suse.cz>
1441         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
1443 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
1444             Kazu Hirata  <kazu@codesourcery.com>
1445             Maxim Kuvyrkov  <maxim@codesourcery.com
1447         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
1448         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
1449         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
1450         EXTRA_SPEC_FUNCTIONS.
1451         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
1452         (DRIVER_SELF_SPECS): Adjust.
1453         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
1454         * config/mips/st.h, config/mips/t-st: New.
1455         * config/mips/driver-native.c, config/mips/x-native: New.
1456         * doc/invoke.texi (MIPS): Document 'native' value for -march and
1457         -mtune options.
1459 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
1461         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
1462         from it.
1463         (ISA_HAS_FP_CONDMOVE): New macro.
1464         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
1465         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
1466         (ISA_HAS_NMADD3_NMSUB3): New macro.
1467         * config/mips/mips.c (mips_rtx_costs): Update.
1468         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
1469         compiling for ST Loongson 2E/2F.
1470         (madd<mode>): Rename to madd4<mode>.  Update.
1471         (madd3<mode>): New pattern.
1472         (msub<mode>): Rename to msub4<mode>.  Update.
1473         (msub3<mode>): New pattern.
1474         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
1475         (nmadd3<mode>): New pattern.
1476         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
1477         (nmadd3<mode>_fastmath): New pattern.
1478         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
1479         (nmsub3<mode>): New pattern.
1480         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
1481         (nmsub3<mode>_fastmath): New pattern.
1482         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
1484 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
1486         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
1487         (DF_REF_INSN_INFO): New.
1488         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
1489         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
1490         with a NULL DF_REF_INSN_INFO.
1491         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
1492         DF_INSN_SET.
1493         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
1494         DF_INSN_INFO_EQ_USES): New.
1495         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
1496         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
1497         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
1498         * df-core.c: Update comment for above changes.
1499         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
1500         DF_INSN_UID_* macros.
1501         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
1502         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
1503         insn rtx.  Update all callers.
1504         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
1505         df_ref_create_structure, df_insn_refs_collect): Likewise.
1506         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
1507         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
1508         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
1509         macros to access the insn refs.
1510         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
1511         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
1512         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
1513         for accessing the refs.
1514         (try_fwprop_subst): Likewise.
1515         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
1516         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
1517         for accessing the refs.
1518         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
1519         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
1520         to look at the insn refs.
1521         (record_uses): Likewise.
1522         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
1523         function anymore.
1524         (mark_artificial_uses): Don't mark_insn for artificial refs.
1525         (mark_reg_rependencies): Likewise.
1527         * doc/rtl.texi: Remove documentation of ADDRESSOF.
1529 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1531         * configure: Regenerate.
1533 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
1535         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
1536         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
1537         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
1539 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
1541         * config/avr/avr.c (avr_mcu_t): Add attiny167.
1542         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
1543         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
1545 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
1547         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
1548         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise. 
1549         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
1551 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
1553         * tree-ssa-sccvn.c: Fix format of comments.
1555 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
1557         * cgraph.c: Remove unneeded forward declarations of eq_node()
1558         and hash_node().
1560 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
1562         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
1563         REG_RETVAL notes.
1564         (see_update_relevancy): Likewise.
1565         * fwprop.c (try_fwprop_subst): Likewise.
1566         * rtlanal.c (noop_move_p): Likewise.
1567         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
1568         notes to non-existing libcall blocks.
1569         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
1570         Remove orig_set.
1571         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
1572         (dead_libcall_p): Remove.
1573         (delete_trivially_dead_insns): Don't use it.
1574         * web.c (union_defs): Remove comment about keeping nops.
1575         * gcse.c (hash_scan_insn): Don't take libcall pointers.
1576         (compute_hash_table_work): Don't track libcall notes.
1577         (do_local_cprop): Don't take libcall pointers.  Don't update
1578         libcall notes.
1579         (adjust_libcall_notes): Deleted.
1580         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
1581         ever have existed in the first place).
1582         (replace_store_insn): Don't try to remove libcall notes.
1583         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
1584         (resolve_reg_notes): Don't call them.
1585         (resolve_simple_move): Likewise.
1586         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
1587         Don't remove REG_RETVAL notes.
1588         * emit-rtl.c (try_split): Don't update libcall notes.
1589         (emit_copy_of_insn_after): Dito.
1590         * cselib.c (cselib_current_insn_in_libcall): Remove.
1591         (cselib_process_insn): Don't set/clear it.
1592         (new_elt_loc_list): Don't record it.
1593         (cselib_init): Don't initialize it.
1594         * cselib.c (struct elt_loc_list): Remove in_libcall field.
1595         * loop-invariant.c (find_invariant_insn): Don't look for libcall
1596         notes.
1597         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
1598         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
1599         (init_deps): Don't initialize it.
1600         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
1601         * combine.c (delete_noop_moves): Don't update libcall notes.
1602         (can_combine_p): Remove now pointless #if 0 block.
1603         (try_combine): Remove another obsolete #if 0 block.
1604         (distribute_notes): Don't distribute libcall notes.
1605         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
1606         * dce.c (libcall_dead_p): Remove.
1607         (delete_unmarked_insns): Don't handle libcall blocks.
1608         (preserve_libcall_for_dce): Remove.
1609         (prescan_insns_for_dce): Don't special-case libcall block insns.
1610         * reload1 (reload): Don't handle libcall notes. 
1611         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
1612         documentation.
1614 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
1616         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
1617         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
1618         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
1620 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
1622         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
1623         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
1624         * config/avr/t-avr (MULTILIB_MATCHES): Likewise. 
1626 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1628         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
1630 2008-06-16  Ira Rosen  <irar@il.ibm.com>
1632         PR tree-optimization/36493
1633         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
1634         the arguments list. Use VECTYPE to create vector pointer.
1635         (vectorizable_store): Fail if accesses through a pointer to vectype
1636         do not alias the original memory reference operands.
1637         Call vect_create_data_ref_ptr without the removed argument.
1638         (vectorizable_load): Likewise.
1639         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
1640         removed argument.
1642 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
1644         PR target/36336
1645         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for 
1646         reg_equiv_constant.
1648 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
1650         * config/mips/loongson2ef.md: New file.
1651         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
1652         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
1653         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
1654         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
1655         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
1656         and loongson_2f.
1657         (loongson2ef.md): New include.
1658         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
1659         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
1660         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
1661         (loongson_gt_<mode>, loongson_extract_halfword)
1662         (loongson_insert_halfword_0, loongson_insert_halfword_2)
1663         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
1664         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
1665         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
1666         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
1667         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
1668         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
1669         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
1670         (vec_interleave_low<mode>): Define type attribute.
1671         * config/mips/mips.c (mips_ls2): New static variable.
1672         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
1673         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
1674         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
1675         Implement target scheduling hooks.
1676         (mips_multipass_dfa_lookahead): Update to handle tuning for
1677         Loongson 2E/2F.
1678         (mips_sched_init): Initialize data for Loongson scheduling.
1679         (mips_ls2_variable_issue): New static function.
1680         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
1681         Add sanity check.
1682         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
1683         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
1684         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
1685         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
1686         Handle ST Loongson 2E/2F cores.
1687         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
1689 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1691         * omp-low.c (extract_omp_for_data): Fix comment typo.
1692         * c.opt: Fix typo.
1694 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1696         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
1697         FIXME note about gcc/config.guess.
1698         * doc/options.texi (Option file format): Remove non-ASCII bytes.
1699         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
1700         * doc/cppopts.texi: Likewise.
1701         * doc/extend.texi: Likewise.
1702         * doc/gcc.texi: Likewise.
1703         * doc/gccint.texi: Likewise.
1704         * doc/gcov.texi: Likewise.
1705         * doc/gty.texi: Likewise.
1706         * doc/hostconfig.texi: Likewise.
1707         * doc/install.texi: Likewise.
1708         * doc/invoke.texi: Likewise.
1709         * doc/loop.texi: Likewise.
1710         * doc/makefile.texi: Likewise.
1711         * doc/md.texi: Likewise.
1712         * doc/passes.texi: Likewise.
1713         * doc/tm.texi: Likewise.
1714         * doc/tree-ssa.texi: Likewise.
1715         * doc/trouble.texi: Likewise.
1717 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
1718             Nathan Sidwell  <nathan@codesourcery.com>
1719             Maxim Kuvyrkov  <maxim@codesourcery.com>
1720             Richard Sandiford  <rdsandiford@googlemail.com>
1721         
1722         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
1723         * config/mips/mips-protos.h (mips_expand_vector_init): New.
1724         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
1725         builtins.
1726         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
1727         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
1728         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
1729         V8QImode cases.
1730         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
1731         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
1732         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
1733         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
1734         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
1735         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
1736         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
1737         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
1738         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
1739         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
1740         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
1741         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
1742         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
1743         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
1744         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
1745         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
1746         (mips_builtins): Add Loongson builtins.
1747         (mips_loongson_2ef_bdesc): New.
1748         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
1749         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
1750         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
1751         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
1752         New.
1753         (mips_expand_vector_init): New.
1754         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
1755         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
1756         if appropriate.
1757         * config/mips/mips.md: Add unspec numbers for Loongson
1758         builtins.  Include loongson.md.
1759         (MOVE64): Include Loongson vector modes.
1760         (SPLITF): Include Loongson vector modes.
1761         (HALFMODE): Handle Loongson vector modes.
1762         * config/mips/loongson.md: New.
1763         * config/mips/loongson.h: New.
1764         * config.gcc: Add loongson.h header for mips*-*-* targets.
1765         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
1767 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
1769         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
1770         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
1771         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
1772         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
1773         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
1774         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
1775         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
1776         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
1777         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
1778         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
1779         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
1780         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
1781         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
1782         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
1783         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
1784         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
1785         Remove use_fixproto=yes.
1786         (ia64*-*-hpux*): Remove comment about using fixproto.
1787         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
1789 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1791         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
1792         library rebuilds.
1793         * configure: Regenerate.
1795 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
1797         PR middle-end/36520
1798         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
1799         before evaluating it.
1801 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
1803         PR c/36507
1804         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
1805         nested inline functions.
1806         (start_decl, start_function): Don't invert DECL_EXTERNAL
1807         for nested inline functions.
1809 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1811         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
1812         splits that must be made for correctness.
1814 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
1816         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
1817         (AVAIL_NON_MIPS16): Likewise.
1818         (mips_builtin_description): Replace target_flags with a predicate.
1819         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
1820         (dspr2_32): New availability predicates.
1821         (MIPS_BUILTIN): New macro.
1822         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
1823         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
1824         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
1825         Replace the TARGET_FLAGS parameters with AVAIL parameters.
1826         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
1827         (mips_dsp_32only_bdesc): Merge into...
1828         (mips_builtins): ...this new array.
1829         (mips_bdesc_map, mips_bdesc_arrays): Delete.
1830         (mips_init_builtins): Update after above changes.
1831         (mips_expand_builtin_1): Merge into...
1832         (mips_expand_builtin): ...here and update after above changes.
1834 2008-06-12  Paul Brook  <paul@codesourcery.com>
1836         * longlong.h (__arm__): Define count_leading_zeros.
1837         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
1838         (clzsi2, clzdi2): New functions.
1839         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
1840         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
1841         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
1842         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
1843         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
1844         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
1845         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
1846         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1847         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
1848         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
1850 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
1852         * config/m68k/m68k.c (m68k_tune_flags): New.
1853         (override_options): Compute m68k_tune_flags.
1854         (MULL_COST, MULW_COST): Update for various variants of CFV2.
1855         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
1857 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1859         PR middle-end/36506
1860         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
1862 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1864         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
1865         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
1867 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
1869         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
1870         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
1872 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
1874         PR middle-end/36506
1875         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
1876         reductions.
1878 2008-06-12  Richard Guenther  <rguenther@suse.de>
1880         PR tree-optimization/36345
1881         * tree-flow.h (struct ptr_info_def): Align escape_mask,
1882         add memory_tag_needed flag.
1883         (may_alias_p): Declare.
1884         * tree-ssa-alias.c (may_alias_p): Export.
1885         (set_initial_properties): Use memory_tag_needed flag.
1886         (update_reference_counts): Likewise.
1887         (reset_alias_info): Reset memory_tag_needed flag.
1888         (create_name_tags): Check memory_tag_needed flag.
1889         (dump_points_to_info_for): Dump it.
1890         * tree-ssa-structalias.c (struct variable_info): Remove
1891         directly_dereferenced flag.
1892         (new_var_info): Do not initialize it.
1893         (process_constraint_1): Do not set it.
1894         (update_alias_info): Set is_dereferenced flag.
1895         (set_uids_in_ptset): Use may_alias_p.
1896         (set_used_smts): Check memory_tag_needed flag.
1897         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
1898         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
1899         memory_tag_needed flag.
1900         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
1901         from broken design.
1903 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
1905         * config/i386/i386.c (ix86_compute_frame_layout): Disable
1906         red zone for w64 abi.
1907         (ix86_expand_prologue): Likewise.
1908         (ix86_force_to_memory): Likewise.
1909         (ix86_free_from_memory): Likewise.
1911 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
1913         PR target/36425
1914         * config/rs6000/rs6000.c (rs6000_override_options): Set
1915         rs6000_isel conditionally to the absence of comand line override.
1916         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1917         Remove duplicate rs6000_isel setting.
1918         * config/rs6000/eabispe.h: Ditto.
1920 2008-06-11  Richard Guenther  <rguenther@suse.de>
1922         * alias.c (get_alias_set): Use the element alias-set for arrays.
1923         (record_component_aliases): For arrays and vectors do nothing.
1924         * c-common.c (strict_aliasing_warning): Handle the cases
1925         of alias set zero explicitly.
1926         * Makefile.in (dfp.o-warn): Add -Wno-error.
1928 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1930         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
1931         tune_32 tune_64.
1932         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
1933         tune_32 tune_64 to supported_defaults.  Allow values not
1934         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
1935         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
1936         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
1937         with_cpu_64 to generic for 64-bit-supporting configurations, not
1938         with_cpu.  Remove FIXMEs.
1939         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
1940         --with-arch-64, --with-tune-32, --with-tune-64): Document.
1941         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
1942         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
1943         arch_32 and arch_64.
1945 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
1946             Olivier Hainque  <hainque@adacore.com>
1948         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
1949         Use DECL_SIZE_UNIT to retrieve the size of the field.
1951 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
1953         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
1954         with function calls after declarations.  Lay out
1955         neon_float_type_node before further use.
1957 2008-06-11  Richard Guenther  <rguenther@suse.de>
1959         * tree-flow.h (may_point_to_global_var): Declare.
1960         * tree-ssa-alias.c (may_point_to_global_var): New function.
1961         * tree-ssa-sink.c (is_hidden_global_store): Use it.
1963 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
1965         * configure.ac: Teach that fido supports .debug_line.
1966         * configure: Regenerate.
1968 2008-06-10  Tom Tromey  <tromey@redhat.com>
1970         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
1971         debug hook.
1973 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
1975         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
1976         (encode_decimal64, decode_decimal64, encode_decimal128,
1977         decode_decimal128): Reverse order of 32-bit parts of value if host
1978         and target endianness differ.
1980 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
1982         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
1983         Avoid division by 0.
1984         (tree_mod_pow2_value_transform): Likewise.
1985         (tree_ic_transform): Likewise.
1986         (tree_stringops_transform): Likewise.
1987         (tree_mod_subtract_transform): Likewise.
1988         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
1989         (copy_edges_for_bb): Likewise.
1990         (initialize_cfun): Likewise.
1992 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
1994         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
1995         nonmemory_operand. Add "N" operand constraint.
1996         (*btsi): Ditto.
1997         (*jcc_btdi_mask_rex64): New instruction and split pattern.
1998         (*jcc_btsi_mask): Ditto.
1999         (*jcc_btsi_mask_1): Ditto.
2001 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
2003         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
2004         TYPE_CANONICAL for copied element type.
2006 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
2008         PR target/36473
2009         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
2010         Add m_CORE2 and m_GENERIC.
2011         * config/i386/predicates.md (bt_comparison_operator): New predicate.
2012         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
2013         (*btsi): Ditto.
2014         (*jcc_btdi_rex64): New instruction and split pattern.
2015         (*jcc_btsi): Ditto.
2016         (*jcc_btsi_1): Ditto.
2017         (*btsq): Fix Intel asm dialect operand order.
2018         (*btrq): Ditto.
2019         (*btcq): Ditto.
2021 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
2023         PR middle-end/36447
2024         * simplify-rtx.c (simplify_subreg): Add check for shift count 
2025         greater than size.
2027 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
2029         * doc/md.texi: Synchronize with later constraints.md change.
2030         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
2031         with a C implementation.
2032         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
2033         MFLO handling.
2034         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
2035         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
2036         when moving to and from MD_REGNUM.
2037         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
2038         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
2039         Handle byte and halfword moves.
2040         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
2041         separately.
2042         * config/mips/constraints.md (h): Turn into NO_REGS.
2043         (l, x): Update documentation.
2044         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
2045         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
2046         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
2047         (HILO): New mode iterator.
2048         (MOVE128): Add TI.
2049         (any_div): New code iterator.
2050         (u): Extend code attribute to div and udiv.
2051         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
2052         d_operand in the splitters.  Remove redundant CONST_INT checks.
2053         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
2054         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
2055         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
2056         accordingly, using normal moves instead of unspecs to move LO into
2057         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
2058         (<u>mulsidi3): Handle expansion in C code.
2059         (<u>mulsidi3_32bit_internal): Rename to...
2060         (<u>mulsidi3_32bit): ...this.
2061         (<u>mulsidi3_32bit_r4000): Fix insn separator.
2062         (*<u>mulsidi3_64bit): Rename to...
2063         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
2064         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
2065         to set LO and HI to the multiplication result.  Use a normal move
2066         for MFLO and an unspec for MFHI.
2067         (*<u>mulsidi3_64bit_parts): Replace with...
2068         (<u>mulsidi3_64bit_hilo): ...this new instruction.
2069         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
2070         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
2071         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
2072         instead of HI.  Split the instruction into a separate multiplication
2073         and MFHI if !TARGET_FIX_R4000.
2074         (<su>muldi3_highpart): Likewise.
2075         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
2076         and the "=h" clobber.
2077         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
2078         (<u>mulditi3): New expander.
2079         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
2080         (madsi): Remove "=h" clobber.
2081         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
2082         Force the modulus result to be a GPR and split the instruction into
2083         a division followed by an MFHI after reload.
2084         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
2085         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
2086         the MIPS16 HIGH define_split.
2087         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
2088         of acc<->gpr moves to "multi".
2089         (*movdi_64bit): Replace the single "x" alternative with
2090         alternatives for moving into and out of "a".
2091         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
2092         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
2093         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
2094         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
2095         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
2096         (movti): New expander.
2097         (*movti, *movti_mips16): New insns.
2098         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
2099         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
2100         (mthi<GPR:mode>_<HILO:mode>): Likewise.
2101         * config/mips/predicates.md (fpr_operand): Delete.
2102         (d_operand): New predicate.
2104 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
2106         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
2107         failure on some Bourne shells.
2108         (x86_64-*-*): Ditto.
2110 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
2112         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
2114 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
2116         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
2117         (sparc-sun-solaris2*): Likewise.
2119 2008-06-09  Arnaud Charlet  <charlet@adacore.com
2121         * doc/install.texi: Update requirements to build the Ada compiler.
2123 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2125         * df-scan.c (struct df_scan_problem_data): Remove the
2126         mw_link_pool alloc pool.
2127         (df_scan_free_internal): Don't free it.
2128         (df_scan_alloc): Don't allocate it.
2129         * df.h (struct df_link): Update comment.
2131 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
2133         * except.h: Correct checks for when SJLJ exceptions must be used.
2135 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2137         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
2138         default.
2139         
2140 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
2142         PR tree-optimization/36218
2143         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
2144         configure for the build system.
2145         (BUILD_LDFLAGS): Define.
2146         * configure: Regenerate.
2147         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
2149 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
2151         PR target/36424
2152         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
2153         * config/avr/avr.c (avr_hard_regno_rename_ok): New function. 
2154         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype. 
2156 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
2158         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
2160 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
2162         * config.gcc (Obsolete configurations): Remove list of
2163         configurations.
2164         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
2165         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
2166         targets matched by those patterns.
2167         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
2168         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
2169         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
2170         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
2171         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2172         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
2173         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
2174         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
2175         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
2176         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
2177         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
2178         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
2179         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
2180         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
2181         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
2182         Make code for Solaris 7 and greater unconditional for Solaris.
2183         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
2184         Remove --with-* handling.
2185         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
2186         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
2187         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
2188         LINK_OS_WINDISS_SPEC): Remove.
2189         * config/rs6000/sysv4.opt (mwindiss): Remove.
2190         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
2191         * configure: Regenerate.
2192         * doc/cpp.texi: Don't mention BeOS.
2193         * doc/extend.texi (interrupt): Don't mention MS1.
2194         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
2195         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
2196         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
2197         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
2198         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
2199         Remove.
2200         * doc/invoke.texi (MT Options): Remove.
2201         (-mwindiss): Remove.
2202         (CRIS Options): Remove cris-axis-aout references.
2203         (HPPA Options): Don't mention hppa1.1-*-pro.
2204         * doc/md.texi: (MorphoTech family): Remove.
2205         * libgcc2.c: Don't handle UWIN.
2206         * config/alpha/t-unicosmk: Remove.
2207         * config/alpha/unicosmk.h: Remove.
2208         * config/arm/kaos-arm.h: Remove.
2209         * config/arm/kaos-strongarm.h: Remove.
2210         * config/arm/strongarm-coff.h: Remove.
2211         * config/arm/strongarm-elf.h: Remove.
2212         * config/arm/strongarm-pe.h: Remove.
2213         * config/arm/t-strongarm-pe: Remove.
2214         * config/arm/t-xscale-coff: Remove.
2215         * config/arm/t-xscale-elf: Remove.
2216         * config/arm/xscale-coff.h: Remove.
2217         * config/arm/xscale-elf.h: Remove.
2218         * config/chorus.h: Remove.
2219         * config/cris/aout.h: Remove.
2220         * config/cris/aout.opt: Remove.
2221         * config/cris/t-aout: Remove.
2222         * config/i386/beos-elf.h: Remove.
2223         * config/i386/kaos-i386.h: Remove.
2224         * config/i386/ptx4-i.h: Remove.
2225         * config/i386/sco5.h: Remove.
2226         * config/i386/sco5.opt: Remove.
2227         * config/i386/sysv4-cpp.h: Remove.
2228         * config/i386/sysv5.h: Remove.
2229         * config/i386/t-beos: Remove.
2230         * config/i386/t-sco5: Remove.
2231         * config/i386/t-uwin: Remove.
2232         * config/i386/uwin.asm: Remove.
2233         * config/i386/uwin.h: Remove.
2234         * config/kaos.h: Remove.
2235         * config/mips/windiss.h: Remove.
2236         * config/mt: Remove directory.
2237         * config/pa/pa-osf.h: Remove.
2238         * config/pa/pa-pro-end.h: Remove.
2239         * config/pa/t-pro: Remove.
2240         * config/ptx4.h: Remove.
2241         * config/rs6000/beos.h: Remove.
2242         * config/rs6000/kaos-ppc.h: Remove.
2243         * config/rs6000/t-beos: Remove.
2244         * config/rs6000/windiss.h: Remove.
2245         * config/sh/kaos-sh.h: Remove.
2246         * config/sol2-6.h: Remove.
2247         * config/sparc/sol26-sld.h: Remove.
2248         * config/sparc/sysv4-only.h: Remove.
2249         * config/vax/bsd.h: Remove.
2250         * config/vax/t-memfuncs: Remove.
2251         * config/vax/ultrix.h: Remove.
2252         * config/vax/vaxv.h: Remove.
2253         * config/windiss.h: Remove.
2255 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
2257         PR rtl-optimization/36438
2258         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
2259         for vector shifts with constant scalar shift operands.
2261 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
2263         * doc/invoke.texi: Document -march=xlr.
2264         * config/mips/xlr.md: New file.
2265         * config/mips/mips.md: Include it.
2266         (cpu): Add "xlr".
2267         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
2268         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
2269         (mips_rtx_cost_data): Likewise.
2271 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
2273         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
2274         PRE_INC and PRE_DEC cases.
2276 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
2278         PR rtl-optimization/36419
2279         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
2280         the emitting jump insn.
2282         PR target/36362
2283         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
2284         is not bool, boolify the whole *expr_p and convert to the desired type.
2286 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
2288         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
2289         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
2290         Add omp_private_outer_ref hook, add another argument to
2291         omp_clause_default_ctor hook.
2292         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
2293         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
2294         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
2295         hook_tree_tree_tree_tree_null.
2296         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
2297         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
2298         * hooks.c (hook_tree_tree_tree_tree_null): New function.
2299         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
2300         * tree.def (OMP_TASK): New tree code.
2301         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
2302         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
2303         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
2304         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
2305         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
2306         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
2307         OMP_CLAUSE_COLLAPSE_EXPR): Define.
2308         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
2309         (OMP_DIRECTIVE_P): Add OMP_TASK.
2310         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
2311         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
2312         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
2313         and OMP_CLAUSE_UNTIED entries.
2314         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
2315         num_ops to 2.
2316         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
2317         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
2318         * tree-pretty-print.c (dump_omp_clause): Handle
2319         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
2320         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
2321         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
2322         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
2323         warning about unsigned iterators.  Change decl/init/cond/incr
2324         arguments to TREE_VECs, check arguments for all collapsed loops.
2325         (c_finish_omp_taskwait): New function.
2326         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
2327         ws_clauses.
2328         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
2329         default_function_array_conversion on init.  Add par_clauses argument.
2330         If decl is present in parallel's lastprivate clause, change it to
2331         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
2332         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
2333         collapse count in clauses.
2334         (c_parser_omp_for, c_parser_omp_parallel): Adjust
2335         c_parser_omp_for_loop callers.
2336         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
2337         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
2338         (c_parser_omp_clause_name): Handle collapse and untied clauses.
2339         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
2340         functions.
2341         (c_parser_omp_clause_schedule): Handle schedule(auto).
2342         Include correct location in the error message.
2343         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
2344         and PRAGMA_OMP_CLAUSE_UNTIED.
2345         (OMP_TASK_CLAUSE_MASK): Define.
2346         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
2347         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
2348         * tree-nested.c (convert_nonlocal_omp_clauses,
2349         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
2350         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
2351         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
2352         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
2353         OMP_CLAUSE_DECL.
2354         (conver_nonlocal_reference, convert_local_reference,
2355         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
2356         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
2357         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
2358         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
2359         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
2360         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
2361         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
2362         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
2363         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
2364         OMP_CLAUSE_UNTIED.
2365         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
2366         * c-common.h (c_finish_omp_taskwait): New prototype.
2367         * gimple-low.c (lower_stmt): Handle OMP_TASK.
2368         * tree-parloops.c (create_parallel_loop): Create 1 entry
2369         vectors for OMP_FOR_{INIT,COND,INCR}.
2370         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2371         (make_edges): Handle OMP_TASK.
2372         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
2373         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
2374         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
2375         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
2376         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
2377         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
2378         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
2379         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
2380         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
2381         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
2382         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
2383         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
2384         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
2385         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
2386         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
2387         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
2388         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
2389         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
2390         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
2391         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
2392         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
2393         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
2394         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
2395         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
2396         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
2397         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
2398         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
2399         original iterator is present in lastprivate clause or if
2400         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
2401         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
2402         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
2403         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
2404         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
2405         if it is set, lookup var in outer contexts too.  Handle
2406         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
2407         to be implicitly determined firstprivate for task regions.
2408         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
2409         if it is set, lookup var in outer contexts too.  Set
2410         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
2411         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
2412         OMP_CLAUSE_UNTIED.  Take region_type as last argument
2413         instead of in_parallel and in_combined_parallel.
2414         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
2415         Adjust callers.
2416         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
2417         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
2418         (new_omp_context): Set default_kind to
2419         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
2420         (omp_region_type): New enum.
2421         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
2422         fields, add region_type.
2423         (new_omp_context): Take region_type as argument instead of is_parallel
2424         and is_combined_parallel.
2425         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
2426         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
2427         ctx->is_combined_parallel checks.
2428         (gimplify_omp_task): New function.
2429         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
2430         OMP_CLAUSE_UNTIED.
2431         * omp-low.c (extract_omp_for_data): Use schedule(static)
2432         for schedule(auto).  Handle pointer and unsigned iterators.
2433         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
2434         Add loops argument.  Extract data for collapsed OMP_FOR loops.
2435         (expand_parallel_call): Assert sched_kind isn't auto,
2436         map runtime schedule to index 3.
2437         (struct omp_for_data_loop): New type.
2438         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
2439         Add loop, loops, collapse and iter_type fields.
2440         (workshare_safe_to_combine_p): Disallow combined for if
2441         iter_type is unsigned long long.  Don't combine collapse > 1 loops
2442         unless all bounds and steps are constant.  Adjust extract_omp_for_data
2443         caller.
2444         (expand_omp_for_generic): Handle pointer, unsigned and long long
2445         iterators.  Handle collapsed OMP_FOR loops.  Adjust
2446         for struct omp_for_data changes.  If libgomp function doesn't return
2447         boolean_type_node, add comparison of the return value with 0.
2448         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
2449         pointer, unsigned and long long iterators.  Adjust for struct
2450         omp_for_data changes.
2451         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
2452         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
2453         unsigned long long.  Allocate loops array, pass it to
2454         extract_omp_for_data.  For collapse > 1 loops use always
2455         expand_omp_for_generic.
2456         (omp_context): Add sfield_map and srecord_type fields.
2457         (is_task_ctx, lookup_sfield): New functions.
2458         (use_pointer_for_field): Use is_task_ctx helper.  Change first
2459         argument's type from const_tree to tree.  Clarify comment.
2460         In OMP_TASK disallow copy-in/out sharing.
2461         (build_sender_ref): Call lookup_sfield instead of lookup_field.
2462         (install_var_field): Add mask argument.  Populate both record_type
2463         and srecord_type if needed.
2464         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
2465         in srecord_type.
2466         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
2467         and DECL_FIELD_OFFSET.
2468         (scan_sharing_clauses): Adjust install_var_field callers.  For
2469         firstprivate clauses on explicit tasks allocate the var by value in
2470         record_type unconditionally, rather than by reference.
2471         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
2472         Use is_taskreg_ctx instead of is_parallel_ctx.
2473         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
2474         (create_omp_child_function_name): Add task_copy argument, use
2475         *_omp_cpyfn* names if it is true.
2476         (create_omp_child_function): Add task_copy argument, if true create
2477         *_omp_cpyfn* helper function.
2478         (scan_omp_parallel): Adjust create_omp_child_function callers.
2479         Rename parallel_nesting_level to taskreg_nesting_level.
2480         (scan_omp_task): New function.
2481         (lower_rec_input_clauses): Don't run constructors for firstprivate
2482         explicit task vars which are initialized by *_omp_cpyfn*.  
2483         Pass outer var ref to omp_clause_default_ctor hook if
2484         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
2485         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
2486         OMP_CLAUSE_REDUCTION_INIT.
2487         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
2488         avoid duplicate setting of fields.  Handle
2489         OMP_CLAUSE_PRIVATE_OUTER_REF.
2490         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
2491         copy-out if TREE_READONLY, only copy-in.
2492         (expand_task_copyfn): New function.
2493         (expand_task_call): New function.
2494         (struct omp_taskcopy_context): New type.
2495         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
2496         New functions.
2497         (lower_omp_parallel): Rename to...
2498         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
2499         Call create_task_copyfn if srecord_type is needed.  Adjust
2500         sender_decl type.
2501         (task_shared_vars): New variable.
2502         (check_omp_nesting_restrictions): Warn if work-sharing,
2503         barrier, master or ordered region is closely nested inside OMP_TASK.
2504         Add warnings for barrier if closely nested inside of work-sharing,
2505         ordered, or master region.
2506         (scan_omp_1): Call check_omp_nesting_restrictions even for
2507         GOMP_barrier calls.  Rename parallel_nesting_level to
2508         taskreg_nesting_level.  Handle OMP_TASK.
2509         (lower_lastprivate_clauses): Even if some lastprivate is found on a
2510         work-sharing construct, continue looking for them on parent parallel
2511         construct.
2512         (lower_omp_for_lastprivate): Add lastprivate clauses
2513         to the beginning of dlist rather than end.  Adjust for struct
2514         omp_for_data changes.
2515         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
2516         not after it.  Handle collapsed OMP_FOR loops, adjust for
2517         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
2518         (get_ws_args_for): Adjust extract_omp_for_data caller.
2519         (scan_omp_for): Handle collapsed OMP_FOR
2520         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
2521         (lower_omp_single_simple): If libgomp function doesn't return
2522         boolean_type_node, add comparison of the return value with 0.
2523         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
2524         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
2525         (parallel_nesting_level): Rename to...
2526         (taskreg_nesting_level): ... this.
2527         (is_taskreg_ctx): New function.
2528         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
2529         of is_parallel_ctx.
2530         (execute_lower_omp): Rename parallel_nesting_level to
2531         taskreg_nesting_level.
2532         (expand_omp_parallel): Rename to...
2533         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
2534         Call omp_task_call for OMP_TASK regions.
2535         (expand_omp): Adjust caller, handle OMP_TASK.
2536         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
2538         * bitmap.c (bitmap_default_obstack_depth): New variable.
2539         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
2540         if argument is NULL and bitmap_default_obstack is already initialized.
2541         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
2542         at the end.
2543         * matrix-reorg.c (matrix_reorg): Likewise.
2545 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
2547         * config/i386/i386.md (*indirect_jump): Macroize using P
2548         mode iterator.  Remove !TARGET_64BIT from insn constraints.
2549         (*tablejump_1): Ditto.
2550         (*indirect_jump_rex64): Remove insn pattern.
2551         (*tablejump_1_rex64): Ditto.
2552         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
2553         and eh_return_si insn patterns.
2555 2008-06-06  Richard Guenther  <rguenther@suse.de>
2557         * tree-ssa-structalias.c (merge_smts_into): Remove.
2558         (find_what_p_points_to): Do not bother to compute the
2559         points-to set for pt_anything pointers.
2560         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
2561         for pt_anything pointers is ok.
2563 2008-06-06  Jan Hubicka  <jh@suse.cz>
2565         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
2567 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2569         * cgraph.c: Fix typos in comments.
2570         (cgraph_availability_names): Fix string typo.
2571         * fold-const.c: Fix typos in comments.
2572         (fold_binary): Fix typo in warning.
2573         * genautomata.c: Fix typos in comments.
2574         (check_presence_pattern_sets): Fix typo in local variable.
2575         (output_description): Fix typo in output.
2576         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
2577         * hwint.h: Likewise.
2578         * matrix-reorg.c (check_allocation_function): Likewise.
2579         * omega.c (smooth_weird_equations): Likewise.
2580         * auto-inc-dec.c: Fix typos in comments.
2581         * bb-reorder.c: Likewise.
2582         * builtins.c: Likewise.
2583         * c-common.c: Likewise.
2584         * c-cppbuiltin.c: Likewise.
2585         * c-parser.c: Likewise.
2586         * c-pretty-print.c: Likewise.
2587         * cfgcleanup.c: Likewise.
2588         * cfgexpand.c: Likewise.
2589         * cfghooks.c: Likewise.
2590         * cfglayout.c: Likewise.
2591         * cfgloopmanip.c: Likewise.
2592         * cgraphunit.c: Likewise.
2593         * coverage.c: Likewise.
2594         * dbxout.c: Likewise.
2595         * df-byte-scan.c: Likewise.
2596         * df-core.c: Likewise.
2597         * df-problems.c: Likewise.
2598         * df-scan.c: Likewise.
2599         * dfp.c: Likewise.
2600         * dominance.c: Likewise.
2601         * domwalk.c: Likewise.
2602         * dse.c: Likewise.
2603         * dwarf2out.c: Likewise.
2604         * emit-rtl.c: Likewise.
2605         * et-forest.c: Likewise.
2606         * function.c: Likewise.
2607         * function.h: Likewise.
2608         * gcc.c: Likewise.
2609         * gcov-io.c: Likewise.
2610         * gcov.c: Likewise.
2611         * gcse.c: Likewise.
2612         * genattrtab.c: Likewise.
2613         * ggc-page.c: Likewise.
2614         * gimplify.c: Likewise.
2615         * gthr-lynx.h: Likewise.
2616         * haifa-sched.c: Likewise.
2617         * ipa-cp.c: Likewise.
2618         * ipa-inline.c: Likewise.
2619         * ipa-prop.h: Likewise.
2620         * ipa-pure-const.c: Likewise.
2621         * ipa-struct-reorg.c: Likewise.
2622         * ipa-struct-reorg.h: Likewise.
2623         * ipa-type-escape.c: Likewise.
2624         * ipa.c: Likewise.
2625         * loop-doloop.c: Likewise.
2626         * mips-tfile.c: Likewise.
2627         * mkmap-flat.awk: Likewise.
2628         * mkmap-symver.awk: Likewise.
2629         * modulo-sched.c: Likewise.
2630         * omp-low.c: Likewise.
2631         * optabs.c: Likewise.
2632         * optabs.h: Likewise.
2633         * opts.c: Likewise.
2634         * passes.c: Likewise.
2635         * postreload-gcse.c: Likewise.
2636         * postreload.c: Likewise.
2637         * predict.c: Likewise.
2638         * pretty-print.h: Likewise.
2639         * profile.c: Likewise.
2640         * protoize.c: Likewise.
2641         * ra-conflict.c: Likewise.
2642         * real.c: Likewise.
2643         * recog.c: Likewise.
2644         * regclass.c: Likewise.
2645         * regs.h: Likewise.
2646         * reload.c: Likewise.
2647         * rtl-error.c: Likewise.
2648         * rtlanal.c: Likewise.
2649         * scan.h: Likewise.
2650         * sched-rgn.c: Likewise.
2651         * see.c: Likewise.
2652         * stmt.c: Likewise.
2653         * target.h: Likewise.
2654         * tree-dfa.c: Likewise.
2655         * tree-eh.c: Likewise.
2656         * tree-flow-inline.h: Likewise.
2657         * tree-inline.c: Likewise.
2658         * tree-into-ssa.c: Likewise.
2659         * tree-loop-distribution.c: Likewise.
2660         * tree-nested.c: Likewise.
2661         * tree-parloops.c: Likewise.
2662         * tree-pass.h: Likewise.
2663         * tree-pretty-print.c: Likewise.
2664         * tree-profile.c: Likewise.
2665         * tree-scalar-evolution.c: Likewise.
2666         * tree-sra.c: Likewise.
2667         * tree-ssa-alias-warnings.c: Likewise.
2668         * tree-ssa-ccp.c: Likewise.
2669         * tree-ssa-coalesce.c: Likewise.
2670         * tree-ssa-dom.c: Likewise.
2671         * tree-ssa-dse.c: Likewise.
2672         * tree-ssa-forwprop.c: Likewise.
2673         * tree-ssa-live.c: Likewise.
2674         * tree-ssa-live.h: Likewise.
2675         * tree-ssa-loop-im.c: Likewise.
2676         * tree-ssa-loop-ivopts.c: Likewise.
2677         * tree-ssa-loop-niter.c: Likewise.
2678         * tree-ssa-loop-prefetch.c: Likewise.
2679         * tree-ssa-phiopt.c: Likewise.
2680         * tree-ssa-phiprop.c: Likewise.
2681         * tree-ssa-sccvn.c: Likewise.
2682         * tree-ssa-ter.c: Likewise.
2683         * tree-ssa-threadupdate.c: Likewise.
2684         * tree-ssa.c: Likewise.
2685         * tree-vect-analyze.c: Likewise.
2686         * tree-vect-transform.c: Likewise.
2687         * tree-vectorizer.c: Likewise.
2688         * tree-vn.c: Likewise.
2689         * tree-vrp.c: Likewise.
2690         * tree.c: Likewise.
2691         * tree.def: Likewise.
2692         * tree.h: Likewise.
2693         * unwind-dw2-fde.c: Likewise.
2694         * unwind.inc: Likewise.
2695         * value-prof.c: Likewise.
2696         * vmsdbgout.c: Likewise.
2698 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
2700         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
2701         always place FP constants in the TOC for TARGET_POWERPC64.
2702         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
2704 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
2706         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
2707         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
2708         enable for TARGET_E500_DOUBLE.
2709         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
2710         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
2711         floating-point modes like integer modes for E500 double.
2712         (rs6000_legitimate_offset_address_p): Likewise.
2713         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
2714         addressing for DDmode for E500 double.
2715         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
2716         modes as using 64-bits of registers for E500 double.
2717         (spe_build_register_parallel): Do not handle DDmode or TDmode.
2718         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
2719         specially for E500 double.
2720         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
2721         TDmode for E500 double.
2722         (rs6000_gimplify_va_arg): Only handle SDmode in registers
2723         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
2724         (rs6000_split_multireg_move): Do not handle TDmode specially for
2725         E500 double.
2726         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
2727         using 64-bit registers for E500 double.
2728         (emit_frame_save): Do not handle DDmode specially for E500 double.
2729         (gen_frame_mem_offset): Likewise.
2730         (rs6000_function_value): Do not call spe_build_register_parallel
2731         for DDmode or TDmode.
2732         (rs6000_libcall_value): Likewise.
2733         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
2734         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
2735         for E500 double.
2737 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
2739         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
2740         in comments.
2742 2008-06-04  Junjie Gu <jgu@tensilica.com>
2744         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
2745         comparison for frame pointers.
2747 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2749         PR target/27386
2750         * config/avr/avr.h (PUSH_ROUNDING): Remove.
2752 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
2754         PR target/30243
2755         * builtins.c (expand_builtin_signbit): Don't take lowpart when
2756         register is already smaller or equal to required mode. 
2758 2008-06-04  Xinliang David Li  <davidxl@google.com>
2760         * tree-call-cdce.c: New file. 
2761         (cond_dead_built_in_calls): New static variable.
2762         (input_domain): New struct.
2763         (check_pow): New function.
2764         (check_builtin_call): Ditto.
2765         (check_target_format): Ditto.
2766         (is_call_dce_candidate): Ditto.
2767         (gen_one_condition): Ditto.
2768         (gen_conditions_for_domain): Ditto.
2769         (get_domain): Ditto.
2770         (gen_conditions_for_pow_cst_base): Ditto.
2771         (gen_conditions_for_pow_int_base): Ditto.
2772         (gen_conditions_for_pow): Ditto.
2773         (get_no_error_domain): Ditto.
2774         (gen_shrink_wrap_conditions): Ditto.
2775         (shrink_wrap_one_built_in_call): Ditto.
2776         (shink_wrap_conditional_dead_built_in_calls): Ditto.
2777         (tree_call_cdce): Ditto.
2778         (gate_call_cdce): Ditto.
2779         (pass_call_cdce): New gimple pass.
2780         * passes.c: (init_optimization_passes): New pass.
2781         * tree-pass.h: New pass declaration.
2782         * opts.c (decode_options): New flag setting.
2783         * common.opt: Add -ftree-builtin-call-dce flag.
2784         * Makefile.in: Add new source file.
2785         * tempvar.def: New tv_id.
2786         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
2788 2008-06-04  Richard Guenther  <rguenther@suse.de>
2790         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
2791         (is_call_clobbered): Always check var_ann->call_clobbered.
2792         (mark_call_clobbered): Always set var_ann->call_clobbered.
2793         (clear_call_clobbered): Always clear var_ann->call_clobbered.
2794         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
2795         (reset_alias_info): Clear call clobbering info on MTAGs and
2796         globals as well.
2797         (set_pt_anything): Set pt_global_mem.
2798         (create_tag_raw): Adjust comment.
2799         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
2801 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
2802             Maxim Kuvyrkov  <maxim@codesourcery.com>
2804         * config/m68k/m68k.opt (mxgot): New option.
2805         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
2806         (m68k_output_addr_const_extra): New.
2807         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
2808         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
2809         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
2810         * doc/invoke.texi (M680x0 Options): Document -mxgot.
2812 2008-06-04  Richard Guenther  <rguenther@suse.de>
2814         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
2815         negative or non-representable offsets.
2817 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
2819         * config/i386/i386.c (ix86_gen_leave): New.
2820         (ix86_gen_pop1): Likewise.
2821         (ix86_gen_add3): Likewise.
2822         (ix86_gen_sub3): Likewise.
2823         (ix86_gen_sub3_carry): Likewise.
2824         (ix86_gen_one_cmpl2): Likewise.
2825         (ix86_gen_monitor): Likewise.
2826         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
2827         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
2828         ix86_gen_one_cmpl2 and ix86_gen_monitor.
2829         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
2830         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
2831         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
2832         (ix86_expand_epilogue): Updated.
2833         (print_operand): Handle integer register operand for 'z'.
2834         (ix86_expand_strlensi_unroll_1): Likewise.
2835         (ix86_expand_strlen): Likewise.
2836         (ix86_expand_builtin): Likewise.
2837         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
2838         mov{q}/mov{l} and add{q}/add{l}.
2840 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2842         * config/i386/i386.md (P): New mode iterator.
2843         (SFmode push_operand splitter): Macroize DImode and SImode pushes
2844         using P mode iterator.
2845         (DFmode push_operand splitter): Ditto.
2846         (XFmode push_operand splitter): Ditto.
2847         (DFmode float_extend SFmode push_operand splitter): Ditto.
2848         (XFmode float_extend SFmode push_operand splitter): Do not generate
2849         SImode pushes for 64bit target.  Macroize Dimode and SImode
2850         pushes using P mode iterator.
2851         (XFmode float_extend DFmode push_operand splitter): Ditto.
2853 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2855         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
2856         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
2857         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
2858         return type to int.
2859         (ix86_call_abi_override): Remove check for call_used_regs.
2861 2008-06-03  Richard Guenther  <rguenther@suse.de>
2863         * tree-ssa-structalias.c (find_func_aliases): Add constraints
2864         for the lhs of calls if the return type contains pointers.
2866 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
2868         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
2869         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
2870         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
2871         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
2872         of cfun and DEFAULT_ABI to deceide abi mode.
2873         (DEFAULT_ABI): New.
2874         (REG_PARM_STACK_SPACE): Removed.
2875         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
2876         (STACK_BOUNDARY): Use default target to deceide stack boundary.
2877         * config/i386/i386-protos.h (ix86_cfun_abi): New.
2878         (ix86_function_abi): Likewise.
2879         (ix86_function_type_abi): Likewise.
2880         (ix86_call_abi_override): Likewise.
2881         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
2882         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
2883         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
2884         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
2885         specific defines.
2886         (X86_64_REGPARM_MAX): New.
2887         (X86_64_SSE_REGPARM_MAX): New.
2888         (X64_REGPARM_MAX): New.
2889         (X64_SSE_REGPARM_MAX): New.
2890         (X86_32_REGPARM_MAX): New.
2891         (X86_32_SSE_REGPARM_MAX): New.
2892         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
2893         (ix86_function_regparm): Handle user calling abi.
2894         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
2895         by DEFAULT_ABI versus SYSV_ABI check.
2896         (ix86_reg_parm_stack_space): New.
2897         (ix86_function_type_abi): New.
2898         (ix86_call_abi_override): New.
2899         (ix86_function_abi): New.
2900         (ix86_cfun_abi): New.
2901         (init_cumulative_args): Call abi specific initialization.
2902         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
2903         (function_arg_64): Extend SSE_REGPARM_MAX check.
2904         (function_arg (): Remove TARGET_64BIT_MS_ABI.
2905         (ix86_pass_by_reference): Likewise.
2906         (ix86_function_value_regno_p): Likewise.
2907         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
2908         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
2909         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
2910         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
2911         (setup_incoming_varargs_64): Adjust regparm for call abi.
2912         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
2913         (ix86_va_start): Likewise.
2914         (ix86_gimplify_va_arg): Likewise.
2915         (ix86_expand_prologue): Likewise.
2916         (output_pic_addr_const): Likewise.
2917         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
2918         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
2919         (x86_output_mi_thunk): Likewise.
2920         (x86_function_profiler): Likewise.
2921         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
2922         (SYSV_ABI, MS_ABI): New constants.
2923         (DEFAULT_ABI): New.
2924         (init_regs): Add prototype of function in regclass.c file.
2925         (OVERRIDE_ABI_FORMAT): New.
2926         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
2927         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
2928         (OUTGOING_REG_PARM_STACK_SPACE): New.
2929         (ix86_reg_parm_stack_space): New prototype.
2930         (CUMULATIVE_ARGS): Add call_abi member.
2931         (machine_function): Add call_abi member.
2932         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
2933         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
2935 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com> 
2937         PR target/34879
2938         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
2939         (avr_builtin_setjmp_frame_value): New function.
2940         * config/avr/avr.md (nonlocal_goto_receiver): Define.
2941         (nonlocal_goto): Define.
2943 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
2945         * config/mips/mips.c (mips_emit_loadgp): Return early if
2946         there is nothing do to, otherwise emit a blockage if
2947         !TARGET_EXPLICIT_RELOCS || crtl->profile.
2948         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
2950 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2952         * configure.ac: Drop unneeded backslash ending up in config.in.
2953         * acinclude.m4: Likewise.
2954         * config.in: Regenerate.
2956 2008-05-26  Jan Hubicka  <jh@suse.cz>
2958         * predict.c (maybe_hot_frequency_p): Break out of...
2959         (maybe_hot_bb_p): ... here.
2960         (maybe_hot_edge_p): New.
2961         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
2962         * basic-block.h (maybe_hot_edge_p): Declare.
2964 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
2966         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
2967         (*cmpfp_<mode>_cc): Ditto.
2968         (*fp_jcc_8<mode>_387): Ditto.
2969         (*fop_<MODEF:mode>_2_i387): Ditto.
2970         (*fop_<MODEF:mode>_3_i387): Ditto.
2971         (*fop_xf_2_i387): Ditto.
2972         (*fop_xf_3_i387): Ditto.
2974 2008-06-02  Tomas Bily  <tbily@suse.cz>
2976         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
2978 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2980         * config/mips/mips.c (mips_valid_offset_p): New function.
2981         (mips_valid_lo_sum_p): Likewise.
2982         (mips_classify_address): Use them.
2983         (mips_force_address): New function.
2984         (mips_legitimize_address): Use it.
2985         * config/mips/mips.md (MOVE128): New mode iterator.
2986         (movtf): Require TARGET_64BIT.  Remove empty strings.
2987         (*movtf_internal): Rename to...
2988         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
2989         of "R" and use {,fp}{load,store} attributes instead of "multi".
2990         Use a separate define_split.
2991         (*movtf_mips16): New pattern.
2993 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
2995         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
2996         * config/mips/mips.c (mips_expand_before_return): New function.
2997         (mips_expand_epilogue): Call it.
2998         * config/mips/mips.md (return): Turn into a define_expand.
2999         (*return): New insn.
3001 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
3003         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
3004         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
3005         functions.  Do not emit uses and clobbers of CONCATs; individually
3006         use and clobber their operands.
3007         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
3008         gen_clobber, emit_use and gen_use.
3009         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
3010         (expand_builtin_return): Likewise.
3011         * cfgbuild.c (count_basic_blocks): Likewise.
3012         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
3013         * explow.c (emit_stack_restore): Likewise.
3014         * expmed.c (extract_bit_field_1): Likewise.
3015         * expr.c (convert_move, emit_move_complex_parts): Likewise.
3016         (emit_move_multi_word, store_constructor): Likewise.
3017         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
3018         (thread_prologue_and_epilogue_insns): Likewise.
3019         * lower-subreg.c (resolve_simple_move): Likewise.
3020         * optabs.c (widen_operand, expand_binop): Likewise.
3021         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
3022         * reload.c (find_reloads): Likewise.
3023         * reload1.c (eliminate_regs_in_insn): Likewise.
3024         * stmt.c (expand_nl_goto_receiver): Likewise.
3025         * config/alpha/alpha.md (builtin_longjmp): Likewise.
3026         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
3027         * config/arm/arm.c (arm_load_pic_register): Likewise.
3028         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
3029         * config/arm/arm.md (untyped_return): Likewise.
3030         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
3031         * config/avr/avr.c (expand_prologue): Likewise.
3032         * config/bfin/bfin.c (do_unlink): Likewise.
3033         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
3034         * config/cris/cris.c (cris_expand_prologue): Likewise.
3035         * config/darwin.c (machopic_indirect_data_reference): Likewise.
3036         (machopic_legitimize_pic_address): Likewise.
3037         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
3038         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
3039         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
3040         (ix86_expand_convert_uns_didf_sse): Likewise.
3041         (ix86_expand_vector_init_general): Likewise.
3042         * config/ia64/ia64.md (eh_epilogue): Likewise.
3043         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
3044         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
3045         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
3046         (config/iq2000/iq2000.c): Likewise.
3047         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
3048         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
3049         (builtin_longjmp): Likewise.
3050         * config/mn10300/mn10300.md (call, call_value): Likewise.
3051         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
3052         * config/pdp11/pdp11.md (abshi2): Likewise.
3053         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3054         * config/s390/s390.c (s390_emit_prologue): Likewise.
3055         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
3056         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
3057         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
3058         * config/sh/sh.c (prepare_move_operands): Likewise.
3059         (output_stack_adjust, sh_expand_epilogue): Likewise.
3060         (sh_set_return_address, sh_expand_t_scc): Likewise.
3061         * config/sparc/sparc.c (load_pic_register): Likewise.
3062         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
3063         * config/spu/spu.c (spu_expand_epilogue): Likewise.
3064         * config/v850/v850.c (expand_epilogue): Likewise.
3066 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
3068         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
3069         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
3070         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
3071         * config/avr/avr.c (expand_prologue, expand_epilogue): Use 
3072         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the 
3073         stack pointer register.
3074         (output_movhi): Remove code for interrupt specific writing to the 
3075         stack pointer register.
3077 2008-05-31  Richard Guenther  <rguenther@suse.de>
3079         PR tree-optimization/34244
3080         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
3081         (tree_expr_nonzero_warnv_p): Likewise.
3082         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
3083         ssa_name_nonnegative_p.
3084         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
3085         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
3086         not tree_expr_nonzero_warnv_p.
3088         PR tree-optimization/36262
3089         Revert
3090         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
3092         PR tree-optimization/34244
3093         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
3094         (record_numbers_of_iterations): New function.
3095         (execute_vrp): Cache the numbers of iterations of loops.
3096         * tree-scalar-evolution.c (scev_reset_except_niters):
3097         New function.
3098         (scev_reset): Use scev_reset_except_niters.
3099         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
3101 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
3103         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3104         __WORKAROUND_RETS when appropriate.
3106 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
3108         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
3109         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
3110         mode iterator.
3111         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
3112         *fop_df_comm_sse insn patterns using MODEF mode iterator.
3113         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
3114         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
3115         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
3116         *fop_df_1_mixed insn patterns using MODEF mode iterator.
3117         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
3118         *fop_df_1_sse insn patterns using MODEF mode iterator.
3119         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
3120         *fop_df_1_i387 insn patterns using MODEF mode iterator.
3121         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
3122         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
3123         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
3124         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
3125         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
3126         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
3127         (*fop_xf_4_i387): Use <MODE> for mode attribute.
3128         (*fop_xf_5_i387): Ditto.
3129         (*fop_xf_6_i387): Ditto.
3131 2008-05-30  Richard Guenther  <rguenther@suse.de>
3133         * builtins.c (build_string_literal): Avoid generating
3134         a non-gimple_val result.
3136 2008-05-30  DJ Delorie  <dj@redhat.com>
3138         * exec-tool.in: Use an environment variable (private) instead of a
3139         file (shared) as a semaphore, so as to not break parallel builds.
3141 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
3143         * optabs.c (maybe_encapsulate_block): Remove.
3144         (emit_libcall_block): Adjust accordingly.
3145         * optabs.h (maybe_encapsulate_block): Remove prototype.
3147         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
3148         Don't use maybe_encapsulate_block.
3150 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
3152         * config/rs6000/rs6000.c (rs6000_legitimize_address,
3153         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
3154         rtx is a SYMBOL_REF before calling get_pool_constant.
3156 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
3158         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
3160 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
3162         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
3163         rather than OS names to choose INO_T_EQ definition.
3164         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
3165         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
3167 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
3169         PR target/36348
3170         * config/darwin-f.c: New.
3171         * config/t-darwin: Added rule to build darwin-f.o.
3172         * config.gcc: Defined new variable, fortran_target_objs.
3173         (*-*-darwin*): Set fortran_target_objs.
3174         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
3175         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
3176         * configure: Regenerated.
3178 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
3180         PR target/35771
3181         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
3182         canonical type if needed.
3184 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
3186         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
3188 2008-05-29  Richard Guenther  <rguenther@suse.de>
3190         PR tree-optimization/36343
3191         PR tree-optimization/36346
3192         PR tree-optimization/36347
3193         * tree-flow.h (clobber_what_p_points_to): Declare.
3194         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
3195         pointed-to variable is dereferenced is irrelevant to whether
3196         the pointer can access the pointed-to variable.
3197         (clobber_what_p_points_to): New function.
3198         * tree-ssa-alias.c (set_initial_properties): Use it.
3199         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
3200         call clobber check for NMTs.
3202 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
3203         
3204         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
3205         for printing gcov_type.
3207 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
3209         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
3210         and the eh region information.
3211         * value-prof.c (gimple_move_stmt_histograms): New function.
3212         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
3214 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
3216         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
3218 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
3220         * value-prof.c (tree_ic_transform): Print counts.
3221         * tree-profile.c (tree_gen_ic_func_profiler):
3222         Clear __gcov_indreict_call_callee variable to avoid misattribution
3223         of the profile.
3225 2008-05-28  Rafael Espindola  <espindola@google.com>
3227         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
3228         invalid sharing.
3230 2008-05-28  Richard Guenther  <rguenther@suse.de>
3232         PR tree-optimization/36339
3233         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
3234         and clobbering code out of the loop.
3236 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3238         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
3239         letters defined.
3241         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
3242         s390_contiguous_bitmask_p, s390_symref_operand_p,
3243         s390_check_symref_alignment, s390_reload_larl_operand,
3244         s390_reload_symref_address): New functions.
3245         (s390_branch_condition_mnemonic): Support compare and branch
3246         instructions.
3247         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
3248         and 'W' constraints.
3249         (s390_secondary_reload): Add secondary reloads for unaligned
3250         symbol refs or symbol refs to floating point or QI/TI mode
3251         integer values.
3252         (legitimate_address_p): Accept symbol references as addresses.
3253         (s390_expand_insv): Use rotate and insert selected bits
3254         instruction for insv when building for z10.
3255         (print_operand_address): Handle symbol ref addresses.
3256         (print_operand): Output modifier 'c' added for signed byte values.
3257         (s390_encode_section_info): Mark symbol refs with
3258         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
3260         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
3261         (length attribute): RRF, RRR have 4 byte length.
3262         (FPALL, INTALL): New mode iterators added.
3263         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
3264         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
3265         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
3266         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
3267         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
3268         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
3269         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
3270         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
3271         instructions.
3272         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
3273         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
3274         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
3275         reload<INTALL:mode><P:mode>_toreg_z10,
3276         reload<FPALL:mode><P:mode>_tomem_z10,
3277         reload<FPALL:mode><P:mode>_toreg_z10,
3278         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
3279         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
3280         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
3281         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
3282         definition.
3283         (movmem, clrmem, cmpmem): New splitters added.
3285         * config/s390/predicates.md (larl_operand): Use
3286         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
3287         SYMBOL_REF_ALIGN1_P.
3288         (s390_signed_integer_comparison,
3289         s390_unsigned_integer_comparison): New predicates.
3291         * config/s390/s390-protos.h (s390_check_symref_alignment,
3292         s390_contiguous_bitmask_p, s390_reload_larl_operand,
3293         s390_reload_symref_address,
3294         s390_compare_and_branch_condition_mask): Prototypes added.
3296         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
3297         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
3298         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
3300 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3302         * config/s390/s390.c (z10_cost): New cost function for z10.
3303         (s390_handle_arch_option, override_options): Support -march=z10 switch.
3304         (s390_issue_rate): Adjust issue rate for z10.
3305         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
3306         (processor_flags): Add PF_Z10.
3307         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
3308         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
3309         * gcc/config.gcc: Add z10.
3311 2008-05-28  Richard Guenther  <rguenther@suse.de>
3313         PR tree-optimization/36291
3314         * tree-flow. h (struct gimple_df): Remove var_anns member.
3315         * tree-flow-inline.h (gimple_var_anns): Remove.
3316         (var_ann): Simplify.
3317         * tree-dfa.c (create_var_ann): Simplify.
3318         (remove_referenced_var): Clear alias info from var_anns of globals.
3319         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
3320         (delete_tree_ssa): Clear alias info from var_anns of globals.
3321         Do not free var_anns.
3322         (var_ann_eq): Remove.
3323         (var_ann_hash): Likewise.
3325 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
3327         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
3328         and loongson2f entries.
3329         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
3330         * config/mips/mips.h (processor_type): Add Loongson-2E
3331         and Loongson-2F entries.
3332         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
3333         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
3334         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
3335         * doc/invoke.texi (MIPS Options): Document loongson2e
3336         and loongson2f processor names.
3338 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
3340         PR target/35767
3341         PR target/35771
3342         * config/i386/i386.c (ix86_function_arg_boundary): Use
3343         alignment of canonical type.
3344         (ix86_expand_vector_move): Check unaligned memory access for
3345         all SSE modes.
3347 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
3349         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
3350         Moved to the front of file.
3352 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
3353             H.J. Lu  <hongjiu.lu@intel.com>
3355         * dwarf2out.c (current_fde): New.
3356         (add_cfi): Use it.
3357         (lookup_cfa:): Likewise.
3358         (dwarf2out_end_epilogue): Likewise.
3359         (dwarf2out_note_section_used): Likewise.
3361 2008-05-27  Michael Matz  <matz@suse.de>
3363         PR c++/27975
3364         * c.opt (Wenum-compare): New warning option.
3365         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
3367 2008-05-27  Michael Matz  <matz@suse.de>
3369         PR middle-end/36326
3370         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
3371         non-BLKmode types.
3372         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
3373         into memory as tail calls.
3375 2008-05-27  Richard Guenther  <rguenther@suse.de>
3377         PR tree-optimization/36339
3378         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
3379         pointers cause all addressable variables to be call clobbered.
3381 2008-05-27  Richard Guenther  <rguenther@suse.de>
3383         PR tree-optimization/36245
3384         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
3386 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
3388         * config/s390/s390.md: Replace all occurences of the 'm'
3389         constraint with 'RT'.
3391 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
3393         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
3394         definitions added.
3395         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
3396         "*movdi_64".
3397         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
3398         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
3399         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
3401 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
3403         * reload.c: (find_reloads): Skip alternatives according to the
3404         "enabled" attribute. Constify the constraint variable.
3405         * recog.c (get_attr_enabled): Add default implementation.
3406         (extract_insn): Set the alternative_enabled_p array
3407         in the recog_data struct.
3408         (preprocess_constraints, constrain_operands): Skip
3409         alternatives according to the "enabled" attribute
3410         * recog.h (struct recog_data): New field alternative_enabled_p.
3411         (skip_alternative): New inline function.
3412         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
3413         (record_reg_classes): Skip alternative according to the
3414         "enabled" attribute.
3416         * doc/md.texi: Add documention for the "enabled" attribute.
3418 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
3420         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
3421         * postreload.c (reload_cse_simplify_operands): Replace 'm'
3422         constraint with TARGET_MEM_CONSTRAINT.
3423         * recog.c (asm_operand_ok, preprocess_constraints,
3424         constrain_operands): Likewise.
3425         * regclass.c (record_reg_classes): Likewise.
3426         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
3427         * reload1.c (maybe_fix_stack_asms): Likewise.
3428         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
3429         * recog.h: Adjust comment.
3430         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
3431         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
3432         * doc/md.texi: Add a note to description of 'm' constraint.
3433         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
3435 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
3437         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
3438         that the bitfield is of integral type before testing its precision.
3440 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
3441             Sa Liu  <saliu@de.ibm.com> 
3443         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3, 
3444         __modti3, __udivti3, __umodti3 and __udivmodti4.
3445         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
3446         that implement TImode mul and div functions.
3447         * config/spu/multi3.c: New. Implement __multi3.
3448         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
3449         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
3450         functions on SPU.
3452 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
3454         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
3455         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
3456         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
3457         tls_sysv_suffix): New mode and mode attribute iterators.
3458         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
3459         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
3460         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
3461         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
3462         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
3463         iterators.
3465 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
3467         PR tree-optimization/36329
3468         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
3469         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
3470         * cgraphbuild.c (initialize_inline_failed): Use the latter
3471         macro in lieu of the former.
3472         * ipa-inline.c (cgraph_mark_inline): Likewise.
3473         (cgraph_decide_inlining_of_small_function): Likewise.
3474         (cgraph_decide_inlining): Likewise.
3475         (cgraph_decide_inlining_incrementally): Likewise.
3477 2008-05-26  Tristan Gingold  <gingold@adacore.com>
3478             Anatoly Sokolov  <aesok@post.ru>
3480         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
3481         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
3482         * config/avr/avr.c (expand_prologue): Tune "call_prologue" 
3483         optimization for 'avr6' architecture.
3485 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
3487         PR target/34932
3488         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
3490 2008-05-26  Richard Guenther  <rguenther@suse.de>
3492         * tree-ssa-sccvn.c (expr_has_constants): Declare.
3493         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
3495 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
3497         PR middle-end/36253
3498         * caller-save.c (insert_restore): Verify alignment of spill space.
3499         (insert_save): Likewise.
3500         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
3501         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
3502         (STACK_SLOT_ALIGNMENT): Likewise.
3503         * function.c (LOCAL_ALIGNMENT): Removed.
3504         (get_stack_local_alignment): New.
3505         (assign_stack_local): Use it.  Set alignment on stack slot.
3506         (assign_stack_temp_for_type): Use get_stack_local_alignment.
3507         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
3508         (STACK_SLOT_ALIGNMENT): New.
3509         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
3510         stack slot in XFmode.
3512         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
3514 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
3516         PR/36321
3517         * config/i386/i386.md (allocate_stack_worker_64): Make sure
3518         argument operand in rax isn't removed.
3520 2008-05-26  Richard Guenther  <rguenther@suse.de>
3522         PR middle-end/36300
3523         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
3524         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
3526 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
3528         PR bootstrap/36331
3529         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
3531 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
3533         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
3534         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
3536 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3538         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
3539         build a trampoline if we don't want one.
3540         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
3541         return zero for nested functions if we don't want a trampoline.
3543 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
3545         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
3547 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
3549         PR fortran/18428
3550         * c.opt: Removed undocumented option '-lang-fortran'.
3551         * c-common.h: Removed global variable 'lang_fortran'.
3552         * c-opts.c (c_common_handle_option): Removed code to handle
3553         option '-lang-fortran'. Updated includes.
3554         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
3555         definition of '__GFORTRAN__'.
3556         (define__GNUC__): Reimplemented to use BASEVER and
3557         cpp_define_formatted.
3558         (builtin_define_with_value_n): Removed.
3559         * c-incpath.h: Renamed to ...
3560         * incpath.h: ... this.
3561         * c-incpath.c: Renamed to ...
3562         * incpath.c: ... this. Updated includes.
3563         * fix-header.c: Updated includes.
3564         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
3565         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
3566         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
3568 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
3570         * tree.h: Update the table of flags used on tree nodes.
3571         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
3572         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
3573         (FORCED_LABEL): Add access check.
3574         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
3575         (ASM_INPUT_P): Likewise.
3576         (ASM_VOLATILE_P): Likewise.
3577         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
3578         (OMP_SECTION_LAST): Access private_flag directly.
3579         (OMP_RETURN_NOWAIT): Likewise.
3580         (OMP_PARALLEL_COMBINED): Likewise.
3581         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
3582         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
3583         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
3584         deprecated_flag directly.
3586 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
3588         * final.c (frame_pointer_needed): Removed.
3589         * flags.h (frame_pointer_needed): Likewise.
3591         * function.h (rtl_data): Add frame_pointer_needed.
3592         (frame_pointer_needed): New.
3594 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
3596         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
3598 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
3600         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
3601         SRC is a REG.
3603 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
3605         * c-common.c (strip_array_types): Move function to..
3606         * tree.c: ..here.
3607         (get_inner_array_type): Delete.
3608         * c-common.h (strip_array_types): Move declaration to..
3609         * tree.h: ..here.
3610         (get_inner_array_type): Delete.
3611         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
3612         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
3613         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
3614         * config/pa/pa.c (emit_move_sequence): Likewise.
3616 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
3618         * config/i386/i386.md (*sse_prologue_save_insn): Set length
3619         attribute to 34.
3621 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
3623         * function.c: Include target hook for nonlocal_goto frame value.
3625 2008-05-24  Richard Guenther  <rguenther@suse.de>
3627         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
3628         variable can be only accessed through a pointer or a union.
3630 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3632         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
3633         * doc/extend.texi: Likewise.
3635 2008-05-23  DJ Delorie  <dj@redhat.com>
3637         * config/m32c/jump.md (untyped_call): Add.
3639         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
3640         for A24 to PSImode.
3641         (m32c_address_cost): Detail costs for indirect offsets.
3643 2008-05-23  Rafael Espindola  <espindola@google.com>
3645         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
3646         if a node is a SUBREG.
3647         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
3648         is a SUBREG.
3650 2008-05-23  Paul Brook  <paul@codesourcery.com>
3651             Carlos O'Donell  <carlos@codesourcery.com>
3653         * doc/extend.texi: Clarify use of __attribute__((naked)).
3654         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3655         * target.h (gcc_target): Add allocate_stack_slots_for_args.
3656         * function.c (use_register_for_decl): Use
3657         targetm.calls.allocate_stack_slots_for_args.
3658         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
3659         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
3660         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
3662 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
3664         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
3666 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
3668         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
3669         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
3670         is only rounded once.
3672 2008-05-23  Richard Guenther  <rguenther@suse.de>
3674         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
3676 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
3677             Jakub Jelinek  <jakub@redhat.com>
3679         PR target/36079
3680         * configure.ac: Handle --enable-cld.
3681         * configure: Regenerated.
3682         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
3683         * config/i386/i386.h (struct machine_function): Add needs_cld field.
3684         (ix86_current_function_needs_cld): New define.
3685         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
3686         (cld): New isns pattern.
3687         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
3688         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
3689         * config/i386/i386.opt (mcld): New option.
3690         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
3691         TARGET_CLD and ix86_current_function_needs_cld.
3692         (override_options): Use -mcld by default for 32-bit code if
3693         USE_IX86_CLD.
3695         * doc/install.texi (Options specification): Document --enable-cld.
3696         * doc/invoke.texi (Machine Dependent Options)
3697         [i386 and x86-64 Options]: Add -mcld option.
3698         (Intel 386 and AMD x86-64 Options): Document -mcld option.
3700 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
3701         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
3702         (return_in_memory_64): Likewise.
3703         (return_in_memory_ms_64): Likewise.
3705 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3707         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
3708         * builtins.c (fold_builtin_fpclassify): New.
3709         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
3710         * builtins.def (BUILT_IN_FPCLASSIFY): New.
3711         * c-common.c (handle_type_generic_attribute): Adjust to accept
3712         fixed arguments before an elipsis.
3713         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
3714         * doc/extend.texi: Document __builtin_fpclassify.
3716 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
3718         * omp-low.c (gate_expand_omp_ssa): Remove.
3719         (pass_expand_omp_ssa): Remove.
3720         (gate_expand_omp): Do not check for flag_openmp_ssa.
3721         * common.opt (-fopenmp-ssa): Remove.
3722         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
3724 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3726         * config/sh/sh.opt (mfixed-range): New option.
3727         * config/sh/sh-protos.h (sh_fix_range): Declare.
3728         * config/sh/sh.c (sh_fix_range): New function.
3729         * config/sh/sh.h (sh_fixed_range_str): Declare.
3730         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
3731         is not empty.
3732         * doc/invoke.texi (SH Options): Document -mfixed-range.
3734 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
3736         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
3737         it before the redeclaration.
3739 2008-05-22  Anatoly Sokolov <aesok@post.ru>
3741         * config/avr/avr.c (get_sequence_length): Add new function.
3742         (expand_prologue, expand_epilogue): Remove duplicate code.
3744 2008-05-22  Rafael Espindola  <espindola@google.com>
3746         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
3747         sharing.
3749 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
3751         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
3752         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
3754         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
3755         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
3756         (vect_update_misalignment_for_peel): Likewise.
3757         (vector_alignment_reachable_p): Likewise.
3758         * tree-vect-transform.c (vectorizable_load): Likewise.
3759         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
3760         (get_vectype_for_scalar_type): Pass mode of scalar_type
3761         to UNITS_PER_SIMD_WORD.
3763         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
3764         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
3765         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
3766         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
3767         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
3769 2008-05-22  Ira Rosen  <irar@il.ibm.com>
3771         PR tree-optimization/36293
3772         * tree-vect-transform.c (vect_transform_strided_load): Don't check
3773         if the first load must be skipped because of a gap.
3775 2008-05-22  Richard Guenther  <rguenther@suse.de>
3777         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
3778         more cases of offset disambiguation that is possible if
3779         strict-aliasing rules apply.
3780         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
3781         for basic offset and type-based disambiguation.
3783 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3785         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
3786         ix86_expand_vector_set on V16QImode for SSE4.1.
3788 2008-05-21  Tom Tromey  <tromey@redhat.com>
3790         * c.opt (Wimport): Mark as undocumented.
3791         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
3792         -Wno-import.
3793         (Warning Options): Likewise.
3794         * doc/cppopts.texi: Don't mention -Wimport.
3796 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
3798         PR tree-optimization/36287
3799         PR tree-optimization/36286
3800         * lambda-code.c (build_access_matrix): Do not use the loop->num
3801         for computing the number of induction variables: use the loop depth
3802         instead.
3804 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
3806         PR/36280
3807         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
3808         option -f(no-)leading-underscore.
3810 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3812         * config/i386/i386.c (ix86_expand_vector_init_general): Use
3813         GET_MODE_NUNITS (mode).
3815 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
3817         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
3818         (-mmulhw): Add 464 to description.
3819         (-mdlmzb): Likewise.
3820         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
3821         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
3822         464fp entries.
3823         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
3824         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
3825         * config/rs6000/rs6000.md: Update comments for 464.
3827 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
3829         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
3831 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3833         * config/i386/sse.md (vec_extractv4sf): Removed.
3834         (vec_extractv2df): Likewise.
3835         (vec_extractv2di): Likewise.
3836         (vec_extractv4si): Likewise.
3837         (vec_extractv8hi): Likewise.
3838         (vec_extractv16qi): Likewise.
3839         (vec_extract<mode>): New.
3841 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3843         * config/i386/sse.md (vec_setv4sf): Removed.
3844         (vec_setv2df): Likewise.
3845         (vec_setv2di): Likewise.
3846         (vec_setv4si): Likewise.
3847         (vec_setv8hi): Likewise.
3848         (vec_setv16qi): Likewise.
3849         (vec_set<mode>): New.
3851 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3853         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
3854         goto for vec_concat and vec_interleave.
3856 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
3858         * config/i386/sse.md (vec_initv4sf): Removed.
3859         (vec_initv2df): Likewise.
3860         (vec_initv2di): Likewise.
3861         (vec_initv4si): Likewise.
3862         (vec_initv8hi): Likewise.
3863         (vec_initv16qi): Likewise.
3864         (vec_init<mode>): New.
3866 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
3868         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
3870 2008-05-21  Tom Tromey  <tromey@redhat.com>
3872         * ggc-zone.c (lookup_page_table_if_allocated): New function.
3873         (zone_find_object_offset): Likewise.
3874         (gt_ggc_m_S): Likewise.
3875         (highest_bit): Likewise.
3876         * ggc-page.c (gt_ggc_m_S): New function.
3877         * stringpool.c (string_stack): Remove.
3878         (init_stringpool): Update.
3879         (ggc_alloc_string): Use ggc_alloc.
3880         (maybe_delete_ident): New function.
3881         (ggc_purge_stringpool): Likewise.
3882         (gt_ggc_m_S): Remove.
3883         * ggc-common.c (ggc_protect_identifiers): New global.
3884         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
3885         ggc_protect_identifiers.
3886         * ggc.h (ggc_protect_identifiers): Declare.
3887         (gt_ggc_m_S): Update.
3888         (ggc_purge_stringpool): Declare.
3889         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
3890         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
3891         special case.
3892         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
3894 2008-05-21  David S. Miller  <davem@davemloft.net>
3896         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
3897         tmake_file.
3899 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
3901         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
3902         once finished.
3904 2008-05-20  David Daney  <ddaney@avtrex.com>
3906         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
3907         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
3908         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
3909         UNSPEC_UPDATE_GOT_VERSION): Renumber.
3910         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
3911         (atomic_hiqi_op): New define_code_iterator.
3912         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
3913         mips_expand_compare_and_swap_12.
3914         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
3915         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
3916         (sync_<optab><mode>, sync_old_<optab><mode>,
3917         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3918         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
3919         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
3920         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
3921         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
3922         (test_and_set_12): New insn.
3923         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
3924         sync_new_<optab><mode>, sync_old_nand<mode>,
3925         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
3926         clobber to operand 0 for SI and DI mode insns.
3927         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
3928         mips_gen_fn_4): New typedefs.
3929         (mips_gen_fn_ptrs): Define new union type.
3930         (mips_expand_compare_and_swap_12): Remove declaration.
3931         (mips_expand_atomic_qihi): Declare function.
3932         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
3933         (mips_expand_atomic_qihi): ... this.  Use new generator function
3934         parameter.
3935         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
3936         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
3937         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
3938         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
3939         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
3940         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
3941         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
3942         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
3943         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
3944         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
3945         New macros.
3947 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
3949         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
3950         the missing break.
3952 2008-05-20  Anatoly Sokolov <aesok@post.ru>
3954         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
3955         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
3956         (avr_attribute_table): Add 'OS_main' function attribute.
3957         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
3958         functions with 'OS_main' attribute.
3960 2008-05-20  Richard Guenther  <rguenther@suse.de>
3962         PR tree-optimization/35204
3963         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
3964         helper, split out from ...
3965         (DFS): ... here.  Make the DFS walk non-recursive.
3967 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
3968             Jan Sjodin  <jan.sjodin@amd.com>
3970         PR tree-optimization/36181
3971         * tree-parloops.c (loop_has_vector_phi_nodes): New.
3972         (parallelize_loops): Don't parallelize when the loop has vector
3973         phi nodes.
3975 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
3976             Sebastian Pop  <sebastian.pop@amd.com>
3978         * tree-loop-linear.c (gather_interchange_stats): Look in the access
3979         matrix, and never look at the tree representation of the memory
3980         accesses.
3981         (linear_transform_loops): Computes parameters and access matrices.
3982         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
3983         when fails.
3984         (access_matrix_get_index_for_parameter): New.
3985         * tree-data-ref.h (struct access_matrix): New.
3986         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
3987         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
3988         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
3989         am_vector_index_for_loop): New.
3990         (struct data_reference): Add field access_matrix.
3991         (DR_ACCESS_MATRIX): New.
3992         (compute_data_dependences_for_loop): Update declaration.
3993         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
3994         * lambda.h (lambda_vector_vec_p): Declared.
3995         * lambda-code.c: Depend on pointer-set.h.
3996         (lambda_collect_parameters_from_af, lambda_collect_parameters,
3997         av_for_af_base, av_for_af, build_access_matrix,
3998         lambda_compute_access_matrices): New.
3999         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
4001 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
4003         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
4004         $SOURCEDIR/include.
4006 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
4007             Sebastian Pop  <sebastian.pop@amd.com>
4009         PR tree-optimization/36206
4010         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
4011         FOLD_CONVERSIONS.
4012         (instantiate_scev_1): Rename flags to fold_conversions.
4013         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
4014         outeside instantiation_loop.
4015         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
4016         (evolution_function_is_affine_or_constant_p): Removed.
4017         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
4018         instantiate_scev.
4019         (analyze_siv_subscript): Pass in the loop nest number.
4020         Call evolution_function_is_affine_in_loop instead of 
4021         evolution_function_is_affine_p.
4022         (analyze_overlapping_iterations): Pass in the loop nest number.
4024 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
4025             Sebastian Pop  <sebastian.pop@amd.com>
4027         PR tree-optimization/36206
4028         * tree-chrec.h (chrec_fold_op): New.
4029         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
4030         and other trees.
4032 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
4034         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
4035         (DIRS_EQ): New.
4036         (remove_duplicates): Do not set inode on non-inode systems.
4037         Use DIRS_EQ.
4039 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
4041         * config.gcc (tm_file): Update comments about relative pathnames.
4043 2008-05-20  Richard Guenther  <rguenther@suse.de>
4045         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
4046         * tree-ssa-sccvn.c (process_scc): Likewise.
4047         * tree-ssa-sink.c (execute_sink_code): Likewise.
4048         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
4049         * tree-vrp.c (process_assert_insertions): Likewise.
4050         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
4051         (perform_tree_ssa_dce): Likewise.
4052         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
4053         (dump_dominator_optimization_stats): Likewise.
4054         * tree-vectorizer.c (vectorize_loops): Likewise.
4056 2008-05-20  Richard Guenther  <rguenther@suse.de>
4058         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
4060 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
4062         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
4063         (ix86_i386elf_return_in_memory): Likewise.
4064         (ix86_i386interix_return_in_memory): Likewise.
4065         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
4066         (SUBTARGET_RETURN_IN_MEMORY): New.
4067         * config/i386/i386elf.h: Likewise.
4068         * config/i386/ptx4-i.h: Likewise.
4069         * config/i386/sol2-10.h: Likewise.
4070         * config/i386/sysv4.h: Likewise.
4071         * config/i386/vx-common.h: Likewise.
4072         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
4073         * config/i386/i386.c (ix86_return_in_memory): Made static and
4074         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
4075         (ix86_i386elf_return_in_memory): Removed.
4076         (ix86_i386interix_return_in_memory): Removed.
4077         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
4078         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
4080 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
4082         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
4084 2008-05-19  Xinliang David Li  <davidxl@google.com>
4086         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
4087         * opts.c: Ditto.
4088         * common.opt: Ditto.
4089         * doc/invoke.texi: Ditto.
4091 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
4093         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
4094         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
4096 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
4098         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
4099         sizes of operand array from 8/4 to 4/2.
4100         (ix86_expand_vector_init_general): Change size of operand array
4101         from 32 to 16.  Remove op0, op1 and half_mode.
4103 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
4105         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
4106         (ix86_expand_vector_init_interleave): Likewise.
4107         (ix86_expand_vector_init_general): Use them.  Assert
4108         word_mode == SImode when n_words == 4.
4110 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
4112         * config/i386/i386.c (ix86_secondary_reload): New static function.
4113         (TARGET_SECONDARY_RELOAD): New define.
4114         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
4115         * config/i386/i386.md (reload_outqi): Remove.
4117 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4119         PR middle-end/35509
4120         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
4121         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
4122         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
4123         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
4124         (fold_builtin_1): Likewise.
4125         * builtins.def (BUILT_IN_ISINF_SIGN): New.
4126         c-common.c (check_builtin_function_arguments): Handle
4127         BUILT_IN_ISINF_SIGN.
4128         * doc/extend.texi: Document __builtin_isinf_sign.
4129         * fold-const.c (operand_equal_p): Handle COND_EXPR.
4131 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
4133         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
4134         EH cleanup at the end of the pass, search for those that have been
4135         turned into forwarder blocks and do the cleanup on their successor.
4137 2008-05-18  Richard Guenther  <rguenther@suse.de>
4139         * tree-cfg.c (verify_gimple_expr): Allow conversions from
4140         pointers to sizetype and vice versa.
4142 2008-05-18 Xinliang David Li   <davidxl@google.com>
4144         * gcc/tree-ssa-dce.c: Coding style fix.
4145         (check_pow): Documentation comment. 
4146         (check_log): Documenation comment. Coding style fix.
4147         (is_unnecessary_except_errno_call): Ditto.
4148         (gen_conditions_for_pow): Ditto.
4149         (gen_conditions_for_log): Ditto.
4150         (gen_shrink_wrap_conditions): Ditto.
4151         (shrink_wrap_one_built_in_calls): Ditto.
4152         * gcc/doc/invoke.texi: Better documentation string.
4153         * ChangeLog: Fix wrong change log entries from 
4154         May 17 checkin on function call DCE.
4156 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
4158         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
4160 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
4162         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
4163         * df-problems.c (simulation routines): Fixed block comment to
4164         properly say how to add forwards scanning functions.
4165         
4166 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
4168         * tree-inline.c (setup_one_parameter): Remove dead code.
4170 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
4172         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
4173         a BIT_AND_EXPR only for an INTEGER_TYPE.
4175 2008-05-17 Xinliang David Li   <davidxl@google.com>
4177         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
4178         (check_pow, check_log, is_unnecessary_except_errno_call): New 
4179         functions to check for eliminating math functions that are pure 
4180         except for setting errno.
4181         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
4182         general condition expressions for shrink-wrapping pow/log calls.
4183         (gen_shrink_wrap_conditions): Ditto.
4184         (shrink_wrap_one_built_in_call): Ditto.
4185         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
4186         (mark_operand_necessary): If debugging, output if OP is necessary.
4187         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
4188         unnecessary.
4189         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
4190         opt level >= 2.
4191         * gcc/common.opt: New user flag -ftree-builtin-dce.
4192         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
4194 2008-05-16  David S. Miller  <davem@davemloft.net>
4196         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
4197         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
4199 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
4201         PR target/36246
4202         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
4204 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
4206         * ifcvt.c (dead_or_predicable): Rename
4207         df_simulate_one_insn_backwards to df_simulate_one_insn.
4208         * recog.c (peephole2_optimize): Ditto.
4209         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
4210         Ditto.
4211         * df.h: Rename df_simulate_one_insn_backwards to
4212         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
4213         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
4214         scanning of defs and uses.
4215         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
4216         (df_simulate_one_insn_forwards): Removed.
4218 2008-05-16  Doug Kwan  <dougkwan@google.com>
4220         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
4221         QNaN & SNaN.
4222         (real_from_string): Handle NaNs and Inf as approriate.
4224 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
4226         * doc/gty.texi (Source Files Containing Type Information): Note
4227         that headers should appear first in the gtfiles list.
4229 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
4231         * tree.def (COND_EXEC): Properly documented this code.
4233 2008-05-16  Diego Novillo  <dnovillo@google.com>
4235         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
4236         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
4237         the new field.
4239 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
4241         * tree-ssa-dse (max_stmt_uid): Removed.
4242         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
4243         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
4244         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
4245         * function.h (cfun.last_stmt_uid): New field.
4246         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
4247         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
4248         New functions.
4249         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
4250         (create_stmt_ann): Initialize the ann->uid field.
4251         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
4252         with new calls.
4253         * tree-flow.h (renumber_gimple_stmt_uids): New function.
4255 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
4257         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
4258         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
4259         (init_empty_tree_cfg): Call it.
4261 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
4263         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
4264         Update all users.
4266 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
4268         * doc/invoke.text (-fdump-tree-*-verbose): New option.
4269         * tree-dump.c (dump_options): New verbose option.
4270         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
4271         Add verbose dump.
4272         * tree-pass.h (TDF_VERBOSE): New dump flag.
4273         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
4274         (tree-flow.h): Added include.
4275         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
4277 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4279         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
4281         From Jie Zhang  <jie.zhang@analog.com>
4282         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4283         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
4284         mcpu=bf561-none and mcpu=bf561-0.2.
4285         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4286         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
4287         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
4288         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
4289         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
4290         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
4291         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
4292         option.
4293         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
4294         (cputype_selected): Remove.
4295         (bfin_handle_option): Don't use cputype_selected.
4296         (override_options): When no mcpu option, enable all workarounds.
4297         Don't use bfin_workarounds.
4298         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
4299         processor type.
4300         (DEFAULT_CPU_TYPE): Don't define.
4302 2008-05-16  Richard Guenther  <rguenther@suse.de>
4304         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
4305         on deletion of the last stmt.
4307 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4309         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
4310         V8HImode for SSE2 and V16QImode for SSE4.1.
4312 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
4314         * cgraph.h (compute_inline_parameters): Made public.
4315         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
4316         variable_generate_summary, function_write_summary,
4317         variable_write_summary, variable_read_summary.  Added generate_summary,
4318         write_summary, read_summary.
4319         * cgraphunit.c (cgraph_process_new_functions): Changed call from
4320         pass_ipa_inline.function_generate_summary, to
4321         compute_inline_parameters. 
4322         * ipa-inline.c (compute_inline_parameters): Made public and added
4323         node parameter.
4324         (compute_inline_parameters_for_current): New function.
4325         (pass_inline_param): Now calls compute_inline_parameters_for_current.
4326         (inline_generate_summary): Removed parameter and made to loop over
4327         all cgraph nodes.
4328         (pass_ipa_inline): Updated for new IPA_PASS structure.
4329         * passes.c (execute_ipa_summary_passes): Now is called once per
4330         pass rather than once per node*pass.
4331         
4332 2008-05-15  Anatoly Sokolov <aesok@post.ru>
4334         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
4335         avr_have_mul_p, avr_asm_only_p): Remove variables.
4336         (avr_override_options): Remove initialization of removed variables.
4337         (avr_file_start):  Convert removed variables to fields of 
4338         'struct base_arch_s *avr_current_arch'. 
4339         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
4340         (AVR_HAVE_MUL): (Ditto.).
4341         (AVR_HAVE_MOVW): (Ditto.).
4342         (AVR_HAVE_LPMX): (Ditto.). 
4343         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
4344         avr_asm_only_p): Remove declaration.
4346 2008-05-15  Diego Novillo  <dnovillo@google.com>
4348         * config/arm/arm.c (arm_return_in_memory): Fix return type.
4349         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
4351 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
4353         PR middle-end/36194
4354         * combine.c (check_conversion): Rename back to check_promoted_subreg.
4355         Don't call record_truncated_value from here.
4356         (record_truncated_value): Turn it into a for_each_rtx callback.
4357         (record_truncated_values): New function.
4358         (combine_instructions): Call note_uses with record_truncated_values.
4359         Change name of check_conversion to check_promoted_subreg. 
4361 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
4363         * doc/sourcebuild.texi: Document support for torture tests.
4365 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
4367         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
4368         to alternative 4 of operand 2.
4370 2008-05-15  Richard Guenther  <rguenther@suse.de>
4372         * tree-pass.h (current_pass): Declare.
4373         (get_pass_for_id): Likewise.
4374         * passes.c (passes_by_id, passes_by_id_size): New globals.
4375         (set_pass_for_id): New function.
4376         (get_pass_for_id): Likewise.
4377         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
4378         (execute_function_todo): Flush per function statistics.
4379         * toplev.c (compile_file): Init statistics.
4380         (general_init): Do early statistics initialization.
4381         (finalize): Finish statistics.
4382         * statistics.h (statistics_early_init): Declare.
4383         (statistics_init): Likewise.
4384         (statistics_fini): Likewise.
4385         (statistics_fini_pass): Likewise.
4386         (statistics_counter_event): Likewise.
4387         (statistics_histogram_event): Likewise.
4388         * statistics.c: New file.
4389         * Makefile.in (OBJS-common): Add statistics.o.
4390         (statistics.o): Add dependencies.
4391         * doc/invoke.texi (-fdump-statistics): Document.
4393         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
4394         (insert): Likewise.
4395         (execute_pre): Use statistics_counter_event.
4396         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
4397         (substitute_and_fold): Increment it.  Use statistics_counter_event.
4399 2008-05-15  Diego Novillo  <dnovillo@google.com>
4401         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
4403         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
4404         * tree-ssa-alias.c (new_type_alias): Remove references to
4405         sub-variables from comment.
4406         * tree-ssa-operands.c (swap_tree_operands): Likewise.
4408 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
4410         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
4411         attribute to 1 only for insertps alternative.
4413 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
4415         * config/bfin/bfin.md (loadbytes): New pattern.
4416         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
4417         (bfin_init_builtins): Initialize it.
4418         (bdesc_1arg): Add it.
4420 2008-05-15  Sa Liu  <saliu@de.ibm.com>
4422         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
4423         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
4424         * testsuite/lib/target-supports.exp: Add
4425         check_effective_target_fortran_integer_16.
4427 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
4429         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
4430         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
4431         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
4432         (TARGET_RETURN_IN_MEMORY): Define.
4434 2008-05-15  Richard Guenther  <rguenther@suse.de>
4436         PR middle-end/36244
4437         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
4438         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
4439         represent unmodifiable vars.
4441 2008-05-15  Richard Guenther  <rguenther@suse.de>
4443         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
4444         INDIRECT_REF and TARGET_MEM_REF.
4445         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
4446         TARGET_MEM_REF.
4448 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
4449             H.J. Lu  <hongjiu.lu@intel.com>
4451         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
4452         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
4453         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
4454         insn alternatives.  Add missing alternatives.
4455         (*vec_concatv2di_rex64_sse4_1): Likewise.
4456         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
4457         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
4458         Require TARGET_SSE.
4460 2008-05-15  Richard Guenther  <rguenther@suse.de>
4462         PR tree-optimization/36009
4463         PR tree-optimization/36204
4464         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
4465         (determine_invariantness_stmt): Record the loop a store is
4466         always executed in.
4467         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
4468         dependency.
4470 2008-05-15  Richard Guenther  <rguenther@suse.de>
4472         PR tree-optimization/34330
4473         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
4474         through the pointer will alias the SMT.
4476 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
4478         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
4480 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
4482         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
4484 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
4485             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
4487         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
4488         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
4489         (vashl_optab): New optab for vector/vector shifts.
4490         (vashr_optab): Ditto.
4491         (vlshr_optab): Ditto.
4492         (vrotl_optab): Ditto.
4493         (vrotr_optab): Ditto.
4494         (optab_subtype): New enum for optab_for_tree_code call.
4495         (optab_for_tree_code): Add enum optab_subtype argument.
4497         * optabs.c (optab_for_tree_code): Take an additional argument to
4498         distinguish between a vector shift by a scalar and vector shift by
4499         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
4500         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
4501         vector shift by a vector.
4502         (expand_widen_pattern_expr): Pass additional argument to
4503         optab_for_tree_code.
4505         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
4506         vrotl_optab, vrotr_optab.
4508         * expr.c (expand_expr_real_1): Update calls to
4509         optab_for_tree_code to distinguish between vector shifted by a
4510         scalar and vector shifted by a vector.
4511         * tree-vectorizer.c (supportable_widening_operation): Ditto.
4512         (supportable_narrowing_operation): Ditto.
4513         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
4514         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
4515         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
4516         (vect_create_epilog_for_reduction): Ditto.
4517         (vectorizable_reduction): Ditto.
4518         (vectorizable_operation): Ditto.
4519         (vect_strided_store_supported): Ditto.
4520         (vect_strided_load_supported): Ditto.
4521         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
4522         * expmed.c (expand_shift): Ditto.
4524         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
4525         scalar type.
4526         (ashr@var{m}3): Ditto.
4527         (vashl@var{m}3): Document new vector/vector shift standard name.
4528         (vashr@var{m}3): Ditto.
4529         (vlshr@var{m}3): Ditto.
4530         (vrotl@var{m}3): Ditto.
4531         (vrotr@var{m}3): Ditto.
4533         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
4534         (PPERM_INVERT): Ditto.
4535         (PPERM_REVERSE): Ditto.
4536         (PPERM_REV_INV): Ditto.
4537         (PPERM_ZERO): Ditto.
4538         (PPERM_ONES): Ditto.
4539         (PPERM_SIGN): Ditto.
4540         (PPERM_INV_SIGN): Ditto.
4541         (PPERM_SRC1): Ditto.
4542         (PPERM_SRC2): Ditto.
4544         * config/i386/sse.md (mulv2di3): Add SSE5 support.
4545         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
4546         allows a memory operand to be the value being added, and split it
4547         to improve vectorization.
4548         (sse5_pmacsdqh_mem): Ditto.
4549         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
4550         (sse5_mulv2div2di3_high): Ditto.
4551         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
4552         (vec_pack_trunc_v4si): Ditto.
4553         (vec_pack_trunc_v2di): Ditto.
4554         (sse5_pcmov_<mode>): Remove code that tried to use use
4555         andps/andnps instead of pcmov.
4556         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
4557         pmacsdqh instructions.
4558         (vec_widen_smult_lo_v4si): Ditto.
4560         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
4561         (PPERM_INVERT): Ditto.
4562         (PPERM_REVERSE): Ditto.
4563         (PPERM_REV_INV): Ditto.
4564         (PPERM_ZERO): Ditto.
4565         (PPERM_ONES): Ditto.
4566         (PPERM_SIGN): Ditto.
4567         (PPERM_INV_SIGN): Ditto.
4568         (PPERM_SRC1): Ditto.
4569         (PPERM_SRC2): Ditto.
4570         (ix86_expand_sse_movcc): Move the SSE5 test after the if
4571         true/false tests.
4572         (ix86_expand_int_vcond): If SSE5 generate all possible integer
4573         comparisons.
4574         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
4575         says ignore whether the last reference is a memory operand.
4577 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
4578             Paolo Bonzini <bonzini at gnu dot org>
4580         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
4581         shift patterns.
4583         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
4584         (vlshr<mode>3): Rename from vlshr<mode>3.
4585         (vashr<mode>3): Rename from vashr<mode>3.
4586         (mulv4sf3): Change the names of vector shift patterns.
4587         (mulv4si3): Ditto.
4588         (negv4sf2): Ditt.
4590         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
4591         shift insns.
4593         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
4594         (SI_SHLHI): Ditto.
4595         (SI_SHL): Ditto.
4596         (SI_SHLI): Ditto.
4597         (SI_ROTH): Ditto.
4598         (SI_ROTHI): Ditto.
4599         (SI_ROT): Ditto.
4600         (SI_ROTI): Ditto.
4601         (SPU_RL_0): Ditto.
4602         (SPU_RL_1): Ditto.
4603         (SPU_RL_2): Ditto.
4604         (SPU_RL_3): Ditto.
4605         (SPU_RL_4): Ditto.
4606         (SPU_RL_5): Ditto.
4607         (SPU_RL_6): Ditto.
4608         (SPU_RL_7): Ditto.
4609         (SPU_SL_0): Ditto.
4610         (SPU_SL_1): Ditto.
4611         (SPU_SL_2): Ditto.
4612         (SPU_SL_3): Ditto.
4613         (SPU_SL_4): Ditto.
4614         (SPU_SL_5): Ditto.
4615         (SPU_SL_6): Ditto.
4616         (SPU_SL_7): Ditto.
4618         * config/spu/spu.md (v): New iterator macro to add v for vector types.
4619         (floatunssidf2_internal): Change vector/vector shift names.
4620         (floatunsdidf2_internal): Ditto.
4621         (mulv8hi3): Ditto.
4622         (ashrdi3): Ditto.
4623         (ashrti3): Ditto.
4624         (cgt_df): Ditto.
4625         (cgt_v2df): Ditto.
4626         (dftsv): Ditto.
4627         (vashl<mode>3): Rename from ashl<mode>3.
4628         (vashr<mode>3): Rename from ashr<mode>3.
4629         (vlshr<mode>3): Rename from lshr<mode>3.
4630         (vrotl<mode>3): Rename from rotl<mode>3.
4632 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
4634         PR target/36224
4635         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
4636         multiply gives the wrong value when doing widening multiplies.
4637         (vec_widen_smult_lo_v4si): Ditto.
4639 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4641         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
4642         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
4643         emit_library_call_value. 
4644         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
4645         * tree.h (ECF_LIBCALL_BLOCK): Removed.
4646         * calls.c (initialize_argument_information, precompute_arguments, 
4647         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
4648         (precompute_arguments): Removed flags parameter.
4649         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
4650         
4651 2008-05-14  Richard Guenther  <rguenther@suse.de>
4653         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
4654         Make sure to register the store if the use is a PHI_NODE.
4656 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4658         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
4659         memory if the component is to be referenced in BLKmode according
4660         to get_inner_reference.
4662 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
4664         * calls.c (emit_library_call_value_1): Restore code clearing
4665         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
4667 2008-05-14  Olivier Hainque  <hainque@adacore.com>
4668             Nicolas Roche  <roche@adacore.com>
4670         * configure.ac: Add support for a "gcc_subdir" variable in
4671         config-lang.in, to denote a subdirectory where the language/GCC
4672         integration files are to be found.
4673         * configure: Regenerate.
4675 2008-05-14  Ira Rosen  <irar@il.ibm.com>
4677         PR tree-optimization/36098
4678         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
4679         value for the first load in the group in case of a gap.
4680         (vect_build_slp_tree): Check that there are no gaps in loads.
4682 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
4684         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
4685         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
4686         expand_copysign_bit, ): Change call to emit_no_conflict_block to
4687         emit_insn and remove unneeded code to construct extra args.
4688         (emit_no_conflict_block): Removed.
4689         * optabls.h: (emit_no_conflict_block): Removed.
4690         * cse.c (cse_extended_basic_block): Remove search for
4691         REG_NO_CONFLICT note.
4692         * global.c: Removed incorrect comment added in revision 117.
4693         * expr.c (convert_move): Change call to emit_no_conflict_block to
4694         emit_insn.
4695         * recog.c: Change comments so that they do not mention
4696         REG_NO_CONFLICT.
4697         * local_alloc.c (combine_regs): Removed last parameter.
4698         (no_conflict_p): Removed.
4699         (block_alloc): Removed note, no_conflict_combined_regno and set
4700         local vars. Removed all code to process REG_NO_CONFLICT blocks.
4701         (combine_regs): Removed already_dead and code to look for
4702         REG_NO_CONFLICT notes.
4703         * lower_subreg (remove_retval_note): Removed code to look for
4704         REG_NO_CONFLICT block.
4705         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
4706         (resolve_clobber): Remove code to process libcalls that have
4707         REG_NO_CONFLICT notes.
4708         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
4709         case.
4710         * combine.c (can_combine_p, distribute_notes):  Removed
4711         REG_NO_CONFLICT case.
4712         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
4713         to emit_insns.
4714         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
4715         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
4716         Ditto.
4717         * reg-notes.def (NO_CONFLICT): Removed.
4719 2008-05-14  David S. Miller  <davem@davemloft.net>
4721         * config/sparc/sparc.c (sparc_profile_hook): If
4722         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
4723         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
4724         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
4726 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4728         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
4730 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
4732         PR target/36222
4733         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
4734         and op1 expansion before vector concat to have less live pseudos.
4736 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
4738         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
4739         ix86_expand_vector_set if supported.
4741 2008-05-13  Diego Novillo  <dnovillo@google.com>
4742             Kenneth Zadeck  <zadeck@naturalbridge.com>
4744         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
4746         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
4747         phinodes_print_statistics, init_ssanames, fini_ssanames,
4748         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
4749         release_ssa_name, release_defs, replace_ssa_name_symbol,
4750         ssanames_print_statistics): Move ...
4751         * tree-flow.h: ... here.
4752         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
4753         Use FN instead of cfun.
4754         (make_ssa_name_fn): Rename from make_ssa_name.
4755         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
4756         * tree-flow-inline.h (make_ssa_name): Move from
4757         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
4758         * omp-low.c (expand_omp_parallel):
4759         * tree-flow-inline.h (redirect_edge_var_map_result):
4760         * tree-ssa.c (init_tree_ssa): Add argument FN.
4761         Use it instead of cfun.  Update all users.
4763 2008-05-13  Tom Tromey  <tromey@redhat.com>
4765         PR preprocessor/22168:
4766         * doc/cpp.texi (Top): Update menu.
4767         (Alternatives to Wrapper #ifndef): New node.
4768         (Other Directives): Document deprecation.
4769         (Obsolete Features): Remove menu.
4770         (Assertions): Merge node into Obsolete Features.
4771         (Obsolete once-only headers): Move earlier; rename to Alternatives
4772         to Wrapper #ifndef.
4773         * doc/cppopts.texi: Update.
4774         * c.opt (Wdeprecated): Enable for C and ObjC.
4775         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
4776         (C++ Dialect Options): Move -Wno-deprecated from here to...
4777         (Warning Options): ... here.
4779 2008-05-13  Richard Guenther  <rguenther@suse.de>
4781         PR middle-end/36227
4782         * fold-const.c (fold_sign_changed_comparison): Do not allow
4783         changes in pointer-ness.
4785 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4787         PR target/24713
4788         * config/sh/sh.c (sh_expand_prologue): Don't clear
4789         RTX_FRAME_RELATED_P for push insns.
4791 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
4793         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
4795 2008-05-12  Anatoly Sokolov <aesok@post.ru>
4797         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
4798         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
4799         Use 'machine->is_leaf' instead of 'leaf_func_p'.
4801 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
4803         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
4804         (*vec_concatv4sf_sse): This.
4805         (*sse2_concatv2si): Renamed to ...
4806         (*vec_concatv2si_sse2): This.
4807         (*sse1_concatv2si): Renamed to ...
4808         (*vec_concatv2si_sse): This.
4809         (*vec_concatv2di_rex): Renamed to ...
4810         (*vec_concatv2di_rex64): This.
4811         (*vec_concatv2si_sse4_1): New.
4812         (*vec_concatv2di_rex64_sse4_1): Likewise.
4814 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
4816         PR rtl-optimization/36111
4817         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
4818         that was created for swappable operands.
4820 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
4822         PR ada/36001
4823         * Makefile.in: Substitute GNATMAKE and GNATBIND.
4824         * configure.ac: Add call to ACX_PROG_GNAT.
4826 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
4828         * optc-gen.awk: Fix comment typo.
4830 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4832         * pretty-print.c (pp_integer_with_precision): Use
4833         HOST_LONG_LONG_FORMAT.
4835 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
4837         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
4838                 
4839 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
4841         * config/i386/i386.c (bdesc_ptest): Removed.
4842         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
4843         (bdesc_args): Add __builtin_ia32_ptestz128,
4844         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
4845         (ix86_init_mmx_sse_builtins): Updated.
4846         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
4847         (ix86_expand_builtin): Updated.
4849 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
4851         * tree-cfg.c (valid_fixed_convert_types_p): New function.
4852         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
4854 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
4856         * value-prof.c (interesting_stringop_to_profile): Do not
4857         return early for BUILT_IN_MEMPCPY.
4859 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
4861         * calls.c (expand_call): Don't use callgraph to increase
4862         preferred_stack_boundary.
4864         * cgraph.h (cgraph_rtl_info): Use unsigned on
4865         preferred_incoming_stack_boundary.
4867         * final.c (rest_of_clean_state): Use unsigned on
4868         preferred_stack_boundary.
4870 2008-05-09  Tom Tromey  <tromey@redhat.com>
4872         PR preprocessor/22231:
4873         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
4874         proceeding.
4876 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
4878         PR tree-optimization/36129
4879         * tree-ssa-ccp.c: Include value-prof.h.
4880         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
4881         built-in function was folded to a constant.
4882         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
4884 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
4885             Sebastian Pop  <sebastian.pop@amd.com>
4887         * tree-scalar-evolution.c: Document instantiate_scev.
4888         (instantiate_parameters_1): Renamed instantiate_scev_1.
4889         Don't use the same loop for instantiation_loop and evolution_loop.
4890         (instantiate_scev): New.
4891         (instantiate_parameters): Moved...
4892         (resolve_mixers): Update call to instantiate_scev_1 to pass the
4893         same loop twice.  Maintains the semantics for this function.
4894         * tree-scalar-evolution.h (instantiate_scev): Declare.
4895         (instantiate_parameters): ...here.  Now static inline.
4896         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
4897         instead of resolve_mixers.
4899 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
4901         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
4903 2008-05-09  Tomas Bily  <tbily@suse.cz>
4905         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
4906         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
4907         * tree-ssa-structalias.c (get_constraint_for): Likewise.
4908         * c-common.c (c_common_truthvalue_conversion): Likewise.
4909         * tree-object-size.c (compute_object_offset): Likewise.
4910         * tree-inline.c (estimate_num_insns_1): Likewise.
4911         * varasm.c (const_hash_1, compare_constant, copy_constant)
4912         (compute_reloc_for_constant, output_addressed_constants)
4913         (initializer_constant_valid_p): Likewise.
4914         * c-omp.c (check_omp_for_incr_expr): Likewise.
4915         * gimplify.c (gimplify_expr): Likewise.
4916         * c-typeck.c (c_finish_return): Likewise.
4917         * tree-vectorizer.c (supportable_widening_operation)
4918         (supportable_narrowing_operation): Likewise.
4919         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
4920         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
4921         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
4922         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
4923         (descr_info_loc): Likewise.
4924         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
4925         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
4926         (fold_unary): Likewise.
4927         * builtins.c (get_pointer_alignment): Likewise.
4928         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
4929         (instantiate_parameters_1): Likewise.
4930         * tree.c (expr_align, stabilize_reference): Likewise.
4931         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4932         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
4933         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
4934         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
4935         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
4936         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
4937         Likewise.
4938         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
4939         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
4940         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
4941         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
4942         (forward_propagate_comparison)
4943         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4944         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
4945         * emit-rtl.c (component_ref_for_mem_expr)
4946         (set_mem_attributes_minus_bitpos): Likewise.
4947         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
4948         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
4949         Likewise.
4950         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
4951         (build_function_call, pointer_diff, build_compound_expr)
4952         (c_finish_return): Likewise.
4953         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
4954         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
4955         Likewise.
4956         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
4957         * expr.c (is_aligning_offset): Likewise.
4958         * tree-ssa-alias.c (is_escape_site): Likewise.
4959         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
4960         (check_all_va_list_escapes): Likewise.
4961         * tree-ssa-loop-ivopts.c (determine_base_object)
4962         (determine_common_wider_type): Likewise.
4963         * dojump.c (do_jump): Likewise.
4964         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
4965         * tree-gimple.c (is_gimple_cast): Likewise.
4966         * fold-const.c (decode_field_reference, )
4967         (fold_sign_changed_comparison, fold_unary, fold_comparison)
4968         (fold_binary): Likewise.
4969         * tree-ssa-alias-warnings.c (find_alias_site_helper)
4970         (already_warned_in_frontend_p): Likewise.
4971         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
4972         * tree.c (really_constant_p, get_unwidened): Likewise.
4973         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
4974         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
4975         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
4976         Likewise.
4977         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
4978         CONVERT_EXPR_P.
4979         (CONVERT_EXPR_P): Define.
4980         (CASE_CONVERT): Define.
4981         
4982 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
4984         PR middle-end/36117
4985         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
4986         (delete_unmarked_insns): When deleting a call, call
4987         delete_unreachable_blocks.
4988         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
4989         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
4991 2008-05-08  Richard Guenther  <rguenther@suse.de>
4993         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
4994         (-ftree-salias): Likewise.
4995         (salias-max-implicit-fields): Remove param documentation.
4996         (salias-max-array-elements): Likewise.
4997         * tree-pass.h (pass_create_structure_vars): Remove.
4998         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
4999         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
5000         * tree-ssa-alias.c (create_structure_vars): Remove.
5001         (gate_structure_vars): Likewise.
5002         (pass_create_structure_vars): Likewise.
5003         (gate_build_alias): Likewise.
5004         (pass_build_alias): Adjust to run always and dump the function.
5005         * common.opt (ftree-salias): Hide.
5006         * passes.c (init_optimization_passes): Remove
5007         pass_create_structure_vars, adjust comment.
5008         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
5009         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
5010         * opts.c (decode_options): Do not set flag_tree_salias.
5011         (common_handle_option): Add OPT_ftree_salias to the backward
5012         compatibility section.
5014 2008-05-08  Richard Guenther  <rguenther@suse.de>
5016         * tree-flow-inline.h (var_can_have_subvars): Move ...
5017         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
5018         * tree-flow.h (var_can_have_subvars): Remove.
5019         (push_fields_onto_fieldstack): Remove.
5020         (sort_fieldstack): Likewise.
5021         (struct fieldoff): Move ...
5022         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
5023         alias_set and base_for_components fields.
5024         (sort_fieldstack): Make static.
5025         (push_fields_onto_fieldstack): Likewise.  Remove code that
5026         handles anything but RECORD_TYPEs.  Remove alias_set and
5027         base_for_components handling.
5028         (create_variable_info_for): Adjust.
5030 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
5032         * common.opt (Wframe-larger-than=): Shorten the help message
5033         to one line.
5034         * doc/invoke.texi (Wframe-larger-than=): Add more description.
5036 2008-05-08  Rafael Espindola  <espindola@google.com>
5038         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
5039         trap.
5040         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
5041         trap and that both operands are gimple values.
5042         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
5043         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
5044         is a fp operation.
5046 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
5048         * read-rtl.c (join_c_conditions): Return the first string if the
5049         two strings are equal.
5051 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
5053         * gensupport.h (pred_data): Add a "num_codes" field.
5054         (add_predicate_code): Declare.
5055         * gensupport.c (add_predicate_code): New function.
5056         (std_pred_table): Add an "allows_const_p" field.
5057         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
5058         Remove the (incomplete) list of such codes from the codes field.
5059         (init_predicate_table): Use add_predicate_code.  Add all
5060         RTX_CONST_OBJs if allows_const_p is true.
5061         * genrecog.c (process_define_predicate): Use add_predicate_code.
5063 2008-05-08  David Daney  <ddaney@avtrex.com>
5064             Richard Sandiford  <rsandifo@nildram.co.uk>
5065         
5066         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
5067         special case of constant zero operands.
5068         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
5069         old and new values.  Special case constant zero values.
5070         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
5071         fails.
5072         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
5073         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
5075 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
5077         PR target/36090
5078         * simplify-rtx.c (simplify_plus_minus): Create CONST of
5079         similar RTX_CONST_OBJ before CONST_INT.
5081 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
5083         * stmt.c (expand_stack_restore): Change sa mode if needed.
5085 2008-05-08  Richard Guenther  <rguenther@suse.de>
5087         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
5088         return type to bool.
5089         (ix86_sol10_return_in_memory): Likewise.
5090         (ix86_i386elf_return_in_memory): Likewise.
5091         (ix86_i386interix_return_in_memory): Likewise.
5092         * config/i386/i386.c (ix86_return_in_memory): Likewise.
5093         (ix86_sol10_return_in_memory): Likewise.
5094         (ix86_i386elf_return_in_memory): Likewise.
5095         (ix86_i386interix_return_in_memory): Likewise.
5097 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
5099         PR bootstrap/36180
5100         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
5101         fndecl argument.
5102         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
5103         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
5104         declared in front.
5106 2008-05-08  Richard Guenther  <rguenther@suse.de>
5108         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
5109         * tree-data-ref.h (struct dr_alias): Remove subvars field.
5110         (DR_SUBVARS): Remove.
5111         * tree-dfa.c (dump_subvars_for): Remove.
5112         (debug_subvars_for): Likewise.
5113         (dump_variable): Do not dump subvars.
5114         (remove_referenced_var): Do not remove subvars.
5115         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
5116         (lookup_subvars_for_var): Remove.
5117         (get_subvars_for_var): Likewise.
5118         (get_subvars_at): Likewise.
5119         (get_first_overlapping_subvar): Likewise.
5120         (overlap_subvar): Likewise.
5121         * tree-flow.h (subvar_t): Remove.
5122         (struct var_ann_d): Remove subvars field.
5123         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
5124         argument.  Remove special handling of SFTs.
5125         (compute_tag_properties): Likewise.
5126         (set_initial_properties): Likewise.
5127         (compute_call_clobbered): Likewise.
5128         (count_mem_refs): Likewise.
5129         (compute_memory_partitions): Likewise.
5130         (compute_flow_insensitive_aliasing): Likewise.
5131         (setup_pointers_and_addressables): Likewise.
5132         (new_type_alias): Likewise.
5133         (struct used_part): Remove.
5134         (used_portions): Likewise.
5135         (struct used_part_map): Likewise.
5136         (used_part_map_eq): Likewise.
5137         (used_part_map_hash): Likewise.
5138         (free_used_part_map): Likewise.
5139         (up_lookup): Likewise.
5140         (up_insert): Likewise.
5141         (get_or_create_used_part_for): Likewise.
5142         (create_sft): Likewise.
5143         (create_overlap_variables_for): Likewise.
5144         (find_used_portions): Likewise.
5145         (create_structure_vars): Likewise.
5146         * tree.def (STRUCT_FIELD_TAG): Remove.
5147         * tree.h (MTAG_P): Adjust.
5148         (struct tree_memory_tag): Remove base_for_components and
5149         unpartitionable flags.
5150         (struct tree_struct_field_tag): Remove.
5151         (SFT_PARENT_VAR): Likewise.
5152         (SFT_OFFSET): Likewise.
5153         (SFT_SIZE): Likewise.
5154         (SFT_NONADDRESSABLE_P): Likewise.
5155         (SFT_ALIAS_SET): Likewise.
5156         (SFT_UNPARTITIONABLE_P): Likewise.
5157         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
5158         (union tree_node): Remove sft field.
5159         * alias.c (get_alias_set): Remove special handling of SFTs.
5160         * print-tree.c (print_node): Remove handling of SFTs.
5161         * tree-dump.c (dequeue_and_dump): Likewise.
5162         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
5163         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
5164         * tree-predcom.c (set_alias_info): Do not set subvars.
5165         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
5166         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
5167         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
5168         (add_vars_for_offset): Remove.
5169         (add_virtual_operand): Remove special handling of SFTs.
5170         (add_call_clobber_ops): Likewise.
5171         (add_call_read_ops): Likewise.
5172         (get_asm_expr_operands): Likewise.
5173         (get_modify_stmt_operands): Likewise.
5174         (get_expr_operands): Likewise.
5175         (add_to_addressable_set): Likewise.
5176         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
5177         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
5178         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
5179         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
5180         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
5181         (tree_node_structure): Likewise.
5182         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
5183         handling of SFTs.
5184         (find_what_p_points_to): Likewise.
5186 2008-05-08  Sa Liu  <saliu@de.ibm.com>
5188         * config/spu/spu.md: Fixed subti3 pattern.
5190 2008-05-08  Richard Guenther  <rguenther@suse.de>
5192         PR middle-end/36154
5193         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
5194         sure to create a representative for trailing arrays for PTA.
5196 2008-05-08  Richard Guenther  <rguenther@suse.de>
5198         PR middle-end/36172
5199         * fold-const.c (operand_equal_p): Two objects which types
5200         differ in pointerness are not equal.
5202 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
5204         * calls.c (compute_argument_block_size): Add argument tree fndecl.
5205         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
5206         (emit_library_call_value_1): Add new variable fndecl initialized by
5207         NULL_TREE. It should be the decl type of orgfun, but this information
5208         seems not to be available here, so it uses the default calling abi.
5209         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
5210         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
5211         by TARGET_RETURN_IN_MEMORY.
5212         * config/i386/i386-interix.h: Likewise.
5213         * config/i386/i386.h: Likewise.
5214         * config/i386/i386elf.h: Likewise.
5215         * config/i386/ptx4-i.h: Likewise.
5216         * config/i386/sol2-10.h: Likewise.
5217         * config/i386/sysv4.h: Likewise.
5218         * config/i386/vx-common.h: Likewise.
5219         * config/cris/cris.h: Removed #if 0 clause.
5220         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
5221         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
5222         argument.
5223         (ix86_sol10_return_in_memory): Likewise.
5224         (ix86_i386elf_return_in_memory): New.
5225         (ix86_i386interix_return_in_memory): New.
5226         * config/mt/mt-protos.h (mt_return_in_memory): New.
5227         * config/mt/mt.c: Likewise.
5228         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
5229         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
5230         * config/bfin/bfin.h: Likewise.
5231         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
5232         argument.
5233         * config/bfin/bfin.c: Likewise.
5234         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
5235         * config/alpha/unicosmk.h: Likewise.
5236         * config/i386/cygming.h: Likewise.
5237         * config/iq2000/iq2000.h: Likewise.
5238         * config/mips/mips.h: Likewise.
5239         * config/mn10300/mn10300.h: Likewise.
5240         * config/rs6000/rs6000.h: Likewise.
5241         * config/score/score.h: Likewise.
5242         * config/spu/spu.h: Likewise.
5243         * config/v850/v850.h: Likewise.
5244         * defaults.h: Likewise.
5245         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
5246         * expr.c (emit_block_move): Adjust use of
5247         OUTGOING_REG_PARM_STACK_SPACE.
5248         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
5249         OUTGOING_REG_PARM_STACK_SPACE.
5250         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
5252 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
5254         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
5255         on OMP_RETURN for OMP_FOR.
5257         PR debug/35896
5258         * dwarf2out.c (dw_expand_expr, common_check): Removed.
5259         (fortran_common): New function.
5260         (gen_variable_die): Call fortran_common instead of common_check,
5261         adjust for it returning tree instead of rtx.  Formatting.
5263 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
5265         PR rtl/7335
5266         PR rtl/33826
5267         * see.c (see_copy_insn): Copy new pure const attributes for new call.
5268         * c-decl.c (merge_decls): Ditto.
5269         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
5270         to RTL_CONST_OR_PURE_CALL_P.
5271         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
5272         Initialized DECL_LOOPING_CONST_PURE.
5273         (process_call_operands): Set tree_side_effects properly.
5274         * tree.h (TREE_READONLY_DECL_P): Removed.
5275         (DECL_IS_PURE): Renamed to DECL_PURE_P.
5276         (DECL_LOOPING_OR_CONST_P): New macro.
5277         (struct tree_function_decl): Added looping_const_or_pure_p.
5278         (ECF_*) Renumbered.
5279         (ECF_LOOPING_OR_CONST_P): New macro.
5280         * rtlanal.c (pure_const_p): Removed.
5281         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
5282         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
5283         to RTL_CONST_CALL_P.
5284         * ipa-pure-const.c (pure_const_state_e): Added looping field.
5285         (check_decl, check_tree, check_call, scan_function): Initialize
5286         looping.
5287         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
5288         (static_execute): Set looping true for recursive functions.
5289         Undo setting state to IPA_NEITHER for recursive functions.
5290         * cse.c (cse_insn): 
5291         * ifcvt.c (noce_can_store_speculate_p): Changed
5292         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
5293         RTL_CONST_OR_PURE_CALL_P.
5294         * dse.c (scan_insn): Ditto.
5295         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
5296         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
5297         RTL_CONST_OR_PURE_CALL_P.
5298         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
5299         pure_call_p to RTL_CONST_CALL_P.
5300         * gimplify.c (gimplify_call_expr): Clear side effects for
5301         non-looping pure and constant calls.
5302         * calls.c (emit_call_1): Set rtl flags from ecf flags.
5303         (flags_from_decl_or_type): Set ecf flags from decl flags.
5304         (initialize_argument_information): Turn off
5305         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
5306         Change const to pure if callee_copies is true rather than just
5307         turning off const.
5308         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
5309         way of marking pure calls.
5310         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
5311         Remove hack that was supposed to fix pr7335 and remove old
5312         way of marking pure calls.
5313         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
5314         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
5315         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
5316         RTL_CONST_OR_PURE_CALL_P.
5317         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
5318         * loop-invariant.c (find_exits, find_invariant_bb): Changed
5319         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
5320         * sched-deps.c (schedule_analyze): Ditto.
5321         * rtl.h (struct rtx_def): Use call field, unchanging field, and
5322         return_val field of calls to represent pure and const function info.
5323         (CONST_OR_PURE_CALL_P): Deleted macro.
5324         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
5325         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
5326         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
5327         TREE_READONLY.
5328         * tree-optimize.c (execute_fixup_cfg): Added test for
5329         ECF_LOOPING_CONST_OR_PURE.
5330         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
5331         DECL_PURE_P.
5332         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
5333         effects for looping pure or const calls.
5334         (verify_gimple_expr): Added verification code. 
5335         * config/alpha/alpha.c (alpha_legitimize_address,
5336         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
5337         RTL_CONST_CALL_P.
5338         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
5339         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
5340         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
5341         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
5342         RTL_CONST_OR_PURE_CALL_P.
5343         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
5344         and const calls to be deleted.
5346 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
5348         PR target/35714
5349         * config/i386/mmx.md (mmx_subv2sf3): New expander.
5350         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
5351         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
5352         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5353         to handle nonimmediate operands.
5354         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
5355         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
5356         to handle nonimmediate operands.
5357         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
5358         (mmx_pmulhrwv4hi3): New expander.  Use
5359         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5360         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
5361         (sse2_umulv1siv1di3): New expander.  Use
5362         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5363         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
5364         (mmx_eq<mode>3): New expander.  Use
5365         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5366         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
5367         (mmx_uavgv8qi3): New expander.  Use
5368         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5369         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
5370         (mmx_uavgv4hi3): New expander.  Use
5371         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5373         * config/i386/sse.md
5374         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
5375         to handle nonimmediate operands.
5376         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
5377         to handle nonimmediate operands.
5378         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
5379         to handle nonimmediate operands.
5380         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
5381         to handle nonimmediate operands.
5382         (sse2_unpckhpd_exp): New expander.  Use
5383         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5384         (sse2_unpcklpd_exp): New expander.  Use
5385         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5386         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
5387         to handle nonimmediate operands.
5388         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
5389         to handle nonimmediate operands.
5390         (*sse2_<plusminus_insn><mode>3): Rename from
5391         sse2_<plusminus_insn><mode>3 insn pattern.
5392         (sse2_<plusminus_insn><mode>3): New expander.  Use
5393         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5394         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
5395         (sse2_umulv2siv2di3): New expander.  Use
5396         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5397         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
5398         (sse4_1_mulv2siv2di3): New expander.  Use
5399         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5400         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
5401         (sse2_pmaddwd): New expander.  Use
5402         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5403         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
5404         (sse2_eq<mode>3): New expander.  Use
5405         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5406         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
5407         (sse4_1_eqv2di3): New expander.  Use
5408         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5409         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
5410         (sse2_uavgv16qi3): New expander.  Use
5411         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5412         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
5413         (sse2_uavgv16qi3): New expander.  Use
5414         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5415         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
5416         (sse2_uavgv8hi3): New expander.  Use
5417         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5418         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
5419         (ssse3_pmulhrswv8hi3): New expander.  Use
5420         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5421         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
5422         (ssse3_pmulhrswv4hi3): New expander.  Use
5423         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5425         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
5426         (<sse>_vmmul<mode>3): Ditto.
5427         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
5428         (divv2df3): Ditto.
5429         (ssse3_pmaddubsw128): Use register_operand for operand 1.
5430         (ssse3_pmaddubsw): Ditto.
5432         * config/i386/i386.c (struct_builtin_description)
5433         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
5434         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
5435         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
5436         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
5437         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
5438         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
5439         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
5440         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
5441         (ix86_fixup_binary_operands): Assert that src1
5442         and src2 must have the same mode when swapped.
5443         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
5444         and ix86_binary_operator_ok.  Do not force operands in registers
5445         when optimizing.
5447 2008-05-07  Jan Hubicka  <jh@suse.cz>
5449         * cgraph.c (dump_cgraph_node): Update.
5450         * cgraph.h (cgraph_local_info): Break out inline summary.
5451         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
5452         hook.
5453         * ipa-inline (inline_summary): New accestor function.
5454         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
5455         cgraph_decide_inlining, compute_inline_parameters): Update.
5456         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
5458 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
5460         Cleanup ColdFire scheduling support and add V4 pipeline model.
5462         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
5463         (define_attr cpu): Add cfv4 value.
5464         (define_attr type, define_attr type1): Merge into a single 'type'
5465         attribute.  Update all uses.
5466         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
5467         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
5468         Update all uses.
5469         (define_attr opx_mem, define_attr opy_mem): Remove.
5470         (define_attr op_mem): Clean up, update comment.
5471         (define_attr size): Use specific values instead of general int.
5472         (define_attr guess, define_attr split): Remove.  Update all uses.
5473         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
5474         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
5475         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
5476         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
5477         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
5478         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
5479         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
5480         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
5481         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
5482         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
5483         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
5484         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
5485         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
5486         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
5487         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
5488         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
5489         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
5490         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
5491         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
5492         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
5493         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
5494         Update or set attributes.
5495         (stack_tie): New fake instruction.
5497         * config/m68k/m68k.h (TUNE_CFV4): New macro.
5498         (m68k_sched_attr_size): Update declaration.
5499         (m68k_sched_attr_type2): Remove.
5500         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
5501         Declare new bypass predicates.
5503         * config/m68k/m68k.c (m68k_sched_issue_rate,
5504         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
5505         implementations.
5506         (TARGET_SCHED_ISSUE_RATE,
5507         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
5508         (override_options): Handle scheduling for ColdFire V4 core.
5509         (m68k_expand_prologue): Emit stack_tie.
5510         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
5511         'OP_TYPE_FPN'.  Update all uses.
5512         (sched_guess_p): Remove.
5513         (sched_address_type): Handle symbolic addresses.
5514         (sched_get_operand): New static function.
5515         (sched_operand_type): Merge into sched_attr_op_type.
5516         (sched_attr_op_type): Handle FP registers, handle quick constants,
5517         update.
5518         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
5519         (m68k_sched_attr_size): Update.  Move logic to ...
5520         (sched_get_attr_size_int): New static function.
5521         (sched_get_opxy_mem_type): New static function.
5522         (m68k_sched_attr_op_mem): Update.
5523         (m68k_sched_attr_type2): Remove.
5524         (sched_cfv4_bypass_data): New static variable.
5525         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
5526         (m68k_sched_issue_rate): Implement scheduler hook.
5527         (struct _sched_ib: enabled_p): New field.
5528         (m68k_sched_variable_issue): Update.  Handle V4.
5529         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
5530         sched_dump_class_func_t, sched_dump_split_class,
5531         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
5532         sched_dump_dfa_class, m68k_sched_dump): Remove.
5533         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
5534         hook.
5535         (m68k_sched_init_global): Remove statisctics dumping, introduce
5536         sanity check that all instructions have pipeline reservations.  Handle
5537         ColdFire V4 core.
5538         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
5539         Handle ColdFire V4 core.
5540         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
5541         New static functions.
5542         (m68k_sched_address_bypass_p): New bypass predicate.
5543         (sched_get_indexed_address_scale): New static function.
5544         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
5546         * cf.md: Update comments.
5547         (define_attr type2): Remove.  Use 'type' attribute instead.
5548         Update all uses.
5549         (cf_ib): Rename to cfv123_ib.  Update all uses.
5550         (cf_oep): Rename to cfv123_oep.  Update all uses.
5551         (cf_chr): Rename to cfv123_chr.  Update all uses.
5552         (cf_mem): Rename to cfv123_mem.  Update all uses.
5553         (cf_mac): Move to more appropriate place.
5554         (cfv123_guess): New automaton and cpu_unit.
5555         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
5556         Update uses of 'size' attribute.  Handle before reload scheduling.
5557         (cfv123_guess): New dummy reservation for unhandled instructions.
5558         (cfv4_*): Pipeline description of ColdFire V4 core.
5559         (ignore): New reservation to handle 'ignore' type.
5561 2008-05-07  Ian Lance Taylor  <iant@google.com>
5563         PR middle-end/36013
5564         * gimplify.c (find_single_pointer_decl_1): Don't look through
5565         indirections.
5566         (find_single_pointer_decl): Adjust comments.
5568 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
5570         PR middle-end/36137
5571         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
5572         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
5574         PR middle-end/36106
5575         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
5576         integral type rather than floating point, then VIEW_CONVERT_EXPR
5577         to the floating point type.
5579 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
5581         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
5582         TFmode op0 to register.
5584 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
5586         * c-decl.c (grokdeclarator): Comment typo.
5588 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
5590         * tree-flow.h: Remove prototype for computed_goto_p.
5591         * tree-cfg.c (computed_goto_p): Make static.
5593 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
5595         PR target/35657
5596         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
5597         (contains_aligned_value_p): This.  Handle _Decimal128.
5598         (ix86_function_arg_boundary): Only align _Decimal128 to its
5599         natural boundary and handle it properly.
5601 2008-05-06  Martin Jambor  <mjambor@suse.cz>
5603         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
5604         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
5605         (ipcp_method_set_orig_node): Removed.
5606         (ipcp_cval_get_cvalue_type): Removed.
5607         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
5608         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
5609         (ipcp_cval_set_cvalue_type): Removed.
5610         (ipcp_cval_get_cvalue): Removed.
5611         (ipcp_cval_set_cvalue): Removed.
5612         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
5613         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
5614         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
5615         (ipcp_cval_meet): Renamed to ipa_lattice_meet
5616         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
5617         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
5618         (ipcp_get_ith_lattice): Changed parameters.
5619         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
5620         (ipcp_lattice_from_jfunc): Changed parameters.
5621         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
5622         (ipcp_method_cval_print): Added temporary variable info.
5623         (ipcp_redirect): Removed already unused local variable caller.
5624         (ipcp_redirect): New temporary variable orig_callee_info
5625         (ipcp_redirect): Removed newly unused local variable callee.
5626         (ipcp_redirect): Removed (a bit confusing) local variable type.
5627         (ipcp_insert_stage): Added local variable info.
5628         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
5629         renamed too
5630         (ipcp_formal_create): Removed.
5631         (ipcp_method_cval_set): Removed.
5632         (ipcp_propagate_stage): Renamed lattice variables.
5633         (ipcp_method_cval_set_cvalue_type): Removed.
5634         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
5635         (ipcp_print_all_lattices): Changed printed strings to refer to 
5636         lattices rather than cvals.
5637         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
5638         (ipcp_propagate_const): Changed formal parameters.
5639         (build_const_val): Changed formal parameters.
5640         (ipcp_insert_stage): Removed useless variable cvalue
5641         (build_const_val): Changed formal parameters.
5642         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
5643         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
5644         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
5645         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
5646         (ipcp_print_func_profile_counts): Changed string from "method" to 
5647         "function"
5648         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
5649         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
5650         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
5651         (ipcp_structures_print): Renamed to ipcp_print_all_structures
5652         (ipcp_profile_print): Renamed to ipcp_print_profile_data
5653         (ipcp_lat_is_const): Changed parameters and made inline.
5654         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
5655         (ipcp_redirect): Renamed to ipcp_need_redirect_p
5656         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
5657         the predicate condition directly
5658         (ipcp_propagate_stage): Added local variable args. Removed local
5659         variable callee.  (Both are mere code simplifications.)
5660         (ipcp_method_dont_insert_const): Renamed to
5661         ipcp_node_not_modifiable_p.
5662         (ipcp_node_not_modifiable_p): Made inline.
5663         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
5664         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
5665         (ipcp_print_all_lattices): Removed variable cvalue
5666         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
5667         Updated comments.
5669 2008-05-06  Olivier Hainque  <hainque@adacore.com>
5671         * tree-sra.c (try_instantiate_multiple_fields): Early return
5672         if field has POINTER_TYPE.
5674 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
5676         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
5677         by using 'q' specifier for instruction.
5678         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
5680 2008-05-06  Anatoly Sokolov <aesok@post.ru>
5682         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
5683         Change mode of zero_extract from QImode to HImode.
5684         (sign bit tests peepholes): (Ditto.).
5686 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
5688         * config/i386/mmx.md: Remove double backslashes from asm templates.
5689         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
5690         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5691         to handle nonimmediate operands.
5692         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
5693         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
5694         to handle nonimmediate operands.
5695         (*mmx_<code>v2sf3_finite): New insn pattern.
5696         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
5697         (mmx_<code>v2sf3): New expander.  Use
5698         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5699         (mmx_<plusminus_insn><mode>3): New expander.  Use
5700         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5701         (*mmx_<plusminus_insn><mode>3): New insn pattern.
5702         (mmx_add<mode>3): Removed.
5703         (mmx_ssadd<mode>3): Ditto.
5704         (mmx_usadd<mode>3): Ditto.
5705         (mmx_sub<mode>3): Ditto.
5706         (mmx_sssub<mode>3): Ditto.
5707         (mmx_ussub<mode>3): Ditto.
5708         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
5709         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
5710         to handle nonimmediate operands.
5711         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
5712         insn pattern.
5713         (mmx_smulv4hi3_highpart): New expander.  Use
5714         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5715         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
5716         insn pattern.
5717         (mmx_umulv4hi3_highpart): New expander.  Use
5718         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5719         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
5720         (mmx_<code>v4hi3): New expander.  Use
5721         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5722         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
5723         (mmx_<code>v8qi3): New expander.  Use
5724         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5725         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
5726         (mmx_<code><mode>3): New expander.  Use
5727         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
5729 2008-05-05  Jan Hubicka  <jh@suse.cz>
5731         PR tree-optimization/36118
5732         * passes.c (pass_init_dump_file): Fix dump header.
5734 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5736         PR middle-end/36141
5737         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
5738         VCE for function decls.
5740 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5742         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
5744 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
5746         * config/i386/i386.md (sat_plusminus): New.
5747         (plusminus_insn): Likewise.
5748         (plusminus_mnemonic): Likewise.
5749         (addsub): Removed.
5750         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
5751         (*<addsub><mode>3_cc_overflow): Renamed to ...
5752         (*<plusminus_insn><mode>3_cc_overflow): This.
5753         (*<addsub>si3_zext_cc_overflow): Renamed to ...
5754         (*<plusminus_insn>si3_zext_cc_overflow): This.
5756         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
5757         (<plusminus_insn><mode>3): This.
5758         (*<addsub><mode>3): Renamed to ...
5759         (*<plusminus_insn><mode>3): This.
5760         (<sse>_vm<addsub><mode>3): Renamed to ...
5761         (<sse>_vm<plusminus_insn><mode>3): This.
5762         (sse3_h<addsub>v4sf3): Renamed to ...
5763         (sse3_h<plusminus_insn>v4sf3): This.
5764         (sse3_h<addsub>v2df3): Renamed to ...
5765         (sse3_h<plusminus_insn>v2df3): This.
5766         (<plusminus_insn><mode>3): New.
5767         (*<plusminus_insn><mode>3): Likewise.
5768         (sse2_<plusminus_insn><mode>3): Likewise.
5769         (add<mode>): Removed.
5770         (*add<mode>3): Likewise.
5771         (sse2_ssadd<mode>3): Likewise.
5772         (sse2_usadd<mode>3): Likewise.
5773         (sub<mode>3): Likewise.
5774         (*sub<mode>3): Likewise.
5775         (sse2_sssub<mode>3): Likewise.
5776         (sse2_ussub<mode>3): Likewise.
5778 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
5780         * gthr-single.h: Add in required interface elements as per gthr.h.
5781         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
5782         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
5783         Generalize UNUSED macro. 
5784         (__gthread_once): Add.
5785         (__gthread_key_create): Add.
5786         (__gthread_key_delete): Add.
5787         (__gthread_getspecific): Add.
5788         (__gthread_setspecific): Add.
5789         
5790 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
5792         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
5793         the same size types for the indirect reference on the rhs, then
5794         create a VCE.
5796 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
5798         * config/i386/i386.md
5799         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
5800         one insn template instead of template series.
5801         (*xordi_1_rex64): Ditto.
5802         (*xordi_2_rex64): Ditto.
5804 2008-05-05  Ira Rosen  <irar@il.ibm.com>
5806         PR tree-optimization/36119
5807         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
5808         in case of SLP.
5810 2008-06-04  Jan Hubicka  <jh@suse.cz>
5812         tree-optimization/36100
5813         * tree-pass.h (pass_O0_always_inline): Declare.
5814         * ipa-inline.c (inline_transform): Remove dead code.
5815         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
5816         pass_O0_always_inline): New.
5817         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
5819 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
5821         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
5822         mnemonic in this_param move for TARGET_64BIT.
5824 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
5826         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
5827         (*strmovsi_rex_1): Ditto.
5828         (*strsetsi_1): Ditto.
5829         (*strsetsi_rex_1): Ditto.
5831         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
5832         adddicc expanders using SWI mode iterator.
5834 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
5836         PR target/36121
5837         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
5838         argument handling.
5840 2008-05-04  David S. Miller  <davem@davemloft.net>
5842         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
5843         (sparc*-*-linux*): Use linux.h in tm_file.
5844         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
5845         compiler defaulting to 32-bit.
5846         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
5847         no longer needed.
5848         * config/sparc/linux.h: Remove definitions now obtained
5849         properly from linux.h
5850         * config/sparc/linux64.h: Likewise.
5851         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
5852         don't want this setting for 32-bit builds in a biarch compiler.
5853         * doc/install.texi: Add sparc-linux to list of targets
5854         supporting --enable-targets=all.
5856 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
5858         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
5860 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
5862         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
5863         after V4SI_FTYPE_V8HI.
5864         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
5865         case V4SI_FTYPE_V2DF.
5867 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
5869         * doc/invoke.texi (max-flow-memory-locations): Removed.
5870         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
5871         
5872 2008-05-03  Richard Guenther  <rguenther@suse.de>
5874         PR middle-end/34973
5875         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
5877 2008-05-02  David S. Miller  <davem@davemloft.net>
5879         * config.gcc (need_64bit_hwint): Document libcpp dependency.
5881 2008-05-02  Simon Baldwin <simonb@google.com>
5883         PR bootstrap/36108
5884         * c-common.h (warn_array_subscript_range): Removed.
5885         * c-common.c (warn_array_subscript_range): Ditto.
5886         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
5887         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
5889 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5891         * config/i386/i386.c (ix86_special_builtin_type): New.
5892         (bdesc_special_args): Likewise.
5893         (ix86_expand_special_args_builtin): Likewise.
5894         (ix86_init_mmx_sse_builtins): Updated.
5895         (ix86_expand_builtin): Updated.
5896         (ix86_expand_store_builtin): Removed.
5897         (ix86_expand_unop_builtin): Likewise.
5899         * config/i386/mm3dnow.h (__v2sf): Moved to ...
5900         * config/i386/mmintrin.h (__v2sf): Here.
5902         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
5903         const __v2sf.
5904         (_mm_loadl_pi): Likewise.
5905         (_mm_storeh_pi): Replace __v2si with __v2sf.
5906         (_mm_storel_pi): Likewise.
5908         * doc/extend.texi: Correct __builtin_ia32_loadhps,
5909         __builtin_ia32_loadlps, __builtin_ia32_storehps,
5910         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
5911         __builtin_ia32_loadlpd.
5913 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
5915         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
5916         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
5917         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
5918         (ix86_init_mmx_sse_builtins): Updated.
5919         (ix86_expand_args_builtin): Likewise.
5920         (ix86_expand_builtin): Likewise.
5921         (ix86_expand_unop1_builtin): Renamed to ...
5922         (ix86_expand_unop_vec_merge_builtin): This.
5924 2008-05-01  Jan Hubicka  <jh@suse.cz>
5926         PR bootstrap/36100
5927         * ipa-inline.c (inline_generate_summary): Make static.
5928         (inline_transform): Do not call inlining at -O0; make static.
5929         * passes.c (execute_todo): Add sanity check.
5930         (execute_one_ipa_transform_pass): Execute proper flags.
5932 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
5934         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
5935         (DECL_NONADDRESSABLE_P): Likewise.
5936         * alias.c (record_component_aliases): Fix comment.
5938 2008-05-01  Simon Baldwin <simonb@google.com>
5940         * c-common.h (warn_array_subscript_range): New function.
5941         * c-common.c (warn_array_subscript_range): Ditto.
5942         * tree-vrp.c (check_array_ref): Corrected code to agree with
5943         comment, ignoring only arrays of size 0 or size 1.
5944         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
5946 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5948         * config/i386/i386.c (ix86_builtin_type): Replace
5949         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
5950         (bdesc_args): Updated.
5951         (ix86_init_mmx_sse_builtins): Likewise.
5952         (ix86_expand_args_builtin): Likewise.
5954         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
5955         with __v1di.
5957         * doc/extend.texi: Correct __builtin_ia32_palignr.
5959 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
5961         PR target/36095
5962         * config/i386/i386.c (bdesc_crc32): Removed.
5963         (ix86_expand_crc32): Likewise.
5964         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
5965         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
5966         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
5967         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
5968         UINT_FTYPE_UINT_UCHAR.
5969         (bdesc_args): Updated. Add crc32 builtins.
5970         (ix86_init_mmx_sse_builtins): Updated.
5971         (ix86_expand_args_builtin): Updated to support subreg.
5973         * doc/extend.texi: Correct __builtin_ia32_crc32di.
5975 2008-05-01  Jan Hubicka  <jh@suse.cz>
5977         * tree-pass.h (opt_pass): Add IPA_PASS.
5978         (varpool_node, cgraph_node): Forward declare.
5979         (ipa_opt_pass): Define.
5980         (pass_ipa_inline): Turn into ipa_opt_pass.
5981         (pass_apply_inline): Remove.
5982         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
5983         (apply_inline): Turn into ....
5984         (inline_transform): ... this one.
5985         (inline_generate_summary): New function.
5986         (pass_apply_inline): Remove.
5987         * function.h (ipa_opt_pass): Forward declare structure; typedef;
5988         vector.
5989         (struct function): Add ipa_transforms_to_apply.
5990         * passes.c (register_one_dump_file): Work on IPA_PASS.
5991         (init_optimization_passes): Remove pass_inline_parameters and
5992         pass_apply_inline.
5993         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
5994         (execute_one_pass) ... here; apply transforms when possible.
5995         (add_ipa_transform_pass, execute_ipa_summary_asses,
5996         execute_one_ipa_transform_pass): New.
5997         (execute_ipa_pass_list): Update for IPA_PASS type.
5999 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
6001         * config/i386/i386.c (ix86_builtin_type): Add
6002         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
6003         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
6004         (bdesc_args): Add SSE4a builtins.
6005         (ix86_init_mmx_sse_builtins): Updated.
6006         (ix86_expand_args_builtin): Likewise.
6007         (ix86_expand_builtin): Likewise.
6009 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
6011         * config/i386/i386.c (ix86_builtin_type): Add
6012         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
6013         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
6014         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
6015         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
6016         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
6017         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
6018         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
6019         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
6020         and DI_FTYPE_DI_DI_INT.
6021         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
6022         (ix86_init_mmx_sse_builtins): Updated.
6023         (ix86_expand_args_builtin): Likewise.
6024         (ix86_expand_builtin): Likewise.
6025         (ix86_expand_binop_imm_builtin): Removed.
6027         * doc/extend.texi: Correct __builtin_ia32_palignr128.
6029 2008-04-30  Richard Guenther  <rguenther@suse.de>
6031         PR tree-optimization/32921
6032         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
6034 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
6036         * config/arm/arm.c (arm_unwind_emit): Use
6037         crtl->all_throwers_are_sibcalls instead of
6038         cfun->all_throwers_are_sibcalls.
6039         (arm_output_fn_unwind): Likewise.
6040         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
6041         instead of cfun->uses_pic_offset_table.
6042         (frv_expand_prologue): Likewise.
6043         (frv_frame_pointer_required): Likewise.
6044         (frv_expand_fdpic_call): Likewise.
6045         (frv_emit_movsi): Likewise.
6046         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
6047         cfun->returns_pcc_struct instead of
6048         current_function_returns_pcc_struct.
6049         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
6050         instead of cfun->calls_eh_return.
6051         (m32c_pushm_popm): Likewise.
6052         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
6053         "extern" declaration.
6055 2008-04-30  Richard Guenther  <rguenther@suse.de>
6057         PR tree-optimization/21636
6058         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
6059         constant address.
6060         (evaluate_stmt): Print the likely value.
6061         (ccp_visit_stmt): Avoid excessive vertical spacing.
6063 2008-04-30  Rafael Espindola  <espindola@google.com>
6065         * builtins.c (fold_call_expr): Return realret.
6066         * tree-ssa-threadedge.c
6067         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
6068         __builtin_object_size.
6070 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
6072         * gcc.c (wrapper_string): New variable.
6073         (insert_wrapper): New function.
6074         (execute): New option -wrapper.
6075         * doc/invoke.texi (Overall Options): New driver option -wrapper.
6077 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
6079         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
6080         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
6081         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
6082         from...
6083         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
6084         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
6085         config/rs6000/e500crtres64gprctr.asm,
6086         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
6087         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
6088         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
6089         config/rs6000/e500crtsav64gprctr.asm,
6090         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
6091         config/rs6000/e500crtsavg64gprctr.asm: New files.
6092         * config/rs6000/t-ppccomm: Add build rules for new files.
6093         (LIB2FUNCS_STATIC_EXTRA): Add new files.
6094         * config/rs6000/t-netbsd: Add build rules for new files.
6095         (LIB2FUNCS_STATIC_EXTRA): New variable.
6096         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
6097         (CRTSAVRES_DEFAULT_SPEC): Likewise.
6098         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
6100 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
6102         * config/i386/i386.c (ix86_builtin_type): Add
6103         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
6104         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
6105         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
6106         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
6107         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
6108         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
6109         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
6110         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
6111         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
6112         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
6113         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
6114         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
6115         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
6116         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
6117         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
6118         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
6119         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
6120         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
6121         V1DI_FTYPE_V2SI_V2SI.
6122         (bdesc_2arg): Moved to ...
6123         (bdesc_args): Here.
6124         (ix86_init_mmx_sse_builtins): Updated.
6125         (ix86_expand_args_builtin): Updated.  Take a pointer
6126         to const struct builtin_description.  Handle comparison
6127         builtin functions.
6128         (ix86_expand_sse_compare): Take a new argument for swapping operands.
6129         (ix86_expand_builtin): Updated.
6131         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
6132         (ssse3_pmaddubsw128): This.
6133         (ssse3_pmaddubswv4hi3): Renamed to ...
6134         (ssse3_pmaddubsw): This.
6136         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
6137         (__builtin_ia32_packssdw128): Likewise.
6138         (__builtin_ia32_packuswb128): Likewise.
6139         (__builtin_ia32_pmaddubsw): Likewise.
6140         (__builtin_ia32_pmaddubsw128): Likewise.
6142 2008-04-30  Richard Guenther  <rguenther@suse.de>
6144         PR tree-optimization/14847
6145         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
6146         (recognize_bits_test): Use it.
6147         (recognize_single_bit_test): Likewise.
6149 2008-04-30  Martin Jambor  <mjambor@suse.cz>
6151         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
6152         instead of setting number of formal parameters to zero.
6153         (ipcp_init_stage): Do not set the number of actual parameters to zero 
6154         either.
6155         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
6156         which are called with variable number of arguments.
6157         (ipcp_insert_stage): Explicitely skipping all nodes which are
6158         called with variable number of arguments.
6159         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
6160         number of parameters.
6162         * ipa-prop.h (struct ipa_node_params): Added flag
6163         called_with_var_arguments
6164         (ipa_set_param_count): Added.  Changed sole setter to use it.
6165         (ipa_get_param_count): Added.  All readers of param_count
6166         converted to use it instead.
6167         (ipa_set_called_with_variable_arg): Added.
6168         (ipa_is_called_with_var_arguments): Added.
6169         (ipa_get_ith_param): Added.  All readers of param_decls converted
6170         to use it instead.
6171         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
6172         changed to use it. 
6173         (ipa_get_cs_argument_count): Added, all readers of argument_count
6174         changed to cal it.
6175         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
6176         to use it.
6177         
6178         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
6179         (struct ipcp_lattice): Renamed cval_type to type
6180         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
6182         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
6183         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
6184         (ipcp_insert_stage): Changed the type of variable cvalue to tree
6185         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
6186         (build_const_val): Changed the type of parameter cvalue to tree
6187         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
6188         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
6189         
6190         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
6191         constant 
6193         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
6194         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
6195         (ipa_add_method): Renamed to ipa_push_func_to_list
6196         (ipa_remove_method): Renamed to ipa_pop_func_from_list
6197         (ipa_callsite_param_count): Removed.
6198         (ipa_callsite_param_count_set): Removed.
6199         (ipa_callsite_param): Removed.
6200         (ipa_callsite_callee): Removed.
6201         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
6202         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
6203         (ipa_method_formal_count): Removed.
6204         (ipa_method_formal_count_set): Removed.
6205         (ipa_method_get_tree): Removed.
6206         (ipa_method_tree_map_create): Removed.
6207         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
6208         (ipa_create_param_decls_array): Creates the array itself
6209         (ipa_create_param_decls_array): Temporary variable info instead of 
6210         a few dereferences.
6211         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
6212         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
6213         (get_type): Removed.
6214         (ipa_jf_get_info_type): Removed.
6215         (ipa_node_create): Renamed to ipa_create_node_params
6216         (ipa_free): Renamed to ipa_free_all_node_params
6217         (ipa_nodes_create): Renamed to ipa_create_all_node_params
6218         (ipa_edges_create): Renamed to ipa_create_all_edge_args
6219         (ipa_edges_free): Renamed to ipa_free_all_edge_args
6220         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
6221         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
6222         ipa_free_all_edge_args
6223         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
6224         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
6225         (ipa_create_methodlist_node): Removed.
6226         (ipa_methodlist_method): Removed.
6227         (ipa_methodlist_method_set): Removed.
6228         (ipa_methodlist_next_method): Removed.
6229         (ipa_methodlist_next_method_set): Removed.
6230         (ipa_method_is_modified): Removed.
6231         (ipa_method_modify_create): Removed.
6232         (ipa_method_modify_init): Temporary variable info instead of a few 
6233         dereferences.
6234         (ipa_detect_param_modifications): Temporary variable info instead of 
6235         a few dereferences.
6236         (ipa_compute_jump_functions): Temporary variable info instead of 
6237         a few dereferences.
6238         (ipa_method_modify_set): Removed.
6239         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
6240         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
6241         than craph_node as the first parameter.
6242         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
6243         (ipa_method_modify_init): Removed.
6244         (ipa_compute_jump_functions): Added a temp variable instead of 
6245         repeatadly dereferencing the cgraph_edge.aux pointer
6246         (ipa_callsite_param_set_type): Removed.
6247         (ipa_compute_jump_functions): i renamed to index and moved to 
6248         an inner block
6249         (ipa_callsite_param_set_info_type_formal): Removed.
6250         (ipa_callsite_param_set_info_type): Removed.
6251         (ipa_callsite_param_map_create): Removed.
6252         (ipa_callsite_tree): Removed.
6253         (ipa_callsite_caller): Removed.
6254         (ipa_pop_func_from_list): return_method removed to return_func
6256         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
6257         prefixed all values with IPA_. Changed all users.
6258         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
6259         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
6260         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
6261         (union parameter_info): Renamed to jump_func_value.
6262         (union jump_func_value): Renamed value to constant
6263         (struct ipa_jump_func): Renamed info_type to value
6264         (struct ipa_node): Renamed to ipa_node_params
6265         (struct ipa_node_params): Renamed ipa_arg_num to param_count
6266         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
6267         (struct ipa_node_params): Renamed ipa_mod to modified_flags
6268         (struct ipa_edge): Renamed to ipa_edge_args
6269         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
6270         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
6271         (struct ipa_methodlist): Renamed to ipa_func_list
6272         (struct ipa_func_list): method_p renamed to node, next_method
6273         renamed to next
6274         (ipa_methodlist_p): Removed, switched all users to struct pointer
6275         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
6277 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
6279         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
6280         (rs6000_emit_epilogue): Use backchain to restore only when we
6281         have a large frame.  Make use of frame pointer to restore if we
6282         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
6284 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
6286         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
6287         Add mode to zero_extract.
6288         (sign bit tests peepholes): (Ditto.).
6290 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
6292         * config/i386/i386.c (ix86_builtins): Replace Prescott New
6293         Instructions in comments with SSE3.
6294         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
6295         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
6296         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
6297         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
6298         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
6299         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
6300         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
6301         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
6302         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
6303         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
6304         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
6305         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
6306         (bdesc_sse_args): Renamed to ...
6307         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
6308         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
6309         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
6310         IX86_BUILTIN_FABSQ.
6311         (bdesc_1arg): Moved to ...
6312         (bdesc_args): Here.
6313         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
6314         Instructions in comments with SSE3.
6315         (ix86_expand_sse_operands_builtin): Renamed to ...
6316         (ix86_expand_args_builtin): This.  Updated.
6317         (ix86_expand_unop1_builtin): Update comments.
6318         (ix86_expand_builtin): Updated.
6320 2008-04-29  Richard Guenther  <rguenther@suse.de>
6322         PR tree-optimization/36078
6323         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
6324         Update virtual SSA form after cleaning up the CFG.
6326 2008-04-29  Richard Guenther  <rguenther@suse.de>
6328         PR middle-end/15255
6329         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
6331 2008-04-29  Richard Guenther  <rguenther@suse.de>
6333         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
6334         (compute_may_aliases): Do not call finalize_ref_all_pointers.
6335         (compute_flow_insensitive_aliasing): Do not treat
6336         PTR_IS_REF_ALL pointers special.
6337         (get_smt_for): Likewise.
6338         (may_alias_p): Re-structure.
6339         (is_escape_site): A ref-all pointer conversion is not an escape site.
6340         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
6341         PTR_IS_REF_ALL pointers special.
6342         * tree-ssa-structalias.h (struct alias_info): Remove
6343         ref_all_symbol_mem_tag field.
6344         (PTR_IS_REF_ALL): Remove.
6346 2008-04-29  Richard Guenther  <rguenther@suse.de>
6348         PR middle-end/36077
6349         * fold-const.c (extract_muldiv_1): In combining division constants
6350         make sure to never overflow.
6352 2008-04-29  Nick Clifton  <nickc@redhat.com>
6354         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
6356 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6358         PR bootstrap/35169
6359         * optc-gen.awk: Work around HP-UX/IA awk bug.
6361 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
6363         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
6364         2008-04-25 commit.
6366 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
6368         PR target/36073
6369         * config/i386/i386.md
6370         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
6371         Change operand 1 predicate to nonimmediate_operand.
6373 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
6375         PR debug/36060
6376         * dwarf2out.c (struct die_struct): Mark as chain_circular through
6377         die_sub field.
6378         * gengtype.c (walk_type, write_func_for_structure): Handle
6379         chain_circular.
6380         * doc/gty.texi: Document chain_circular.
6382 2008-04-28  Richard Guenther  <rguenther@suse.de>
6384         PR tree-optimization/36066
6385         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
6386         SCEV and loop.
6388 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
6390         PR target/36064
6391         * config/i386/i386.md
6392         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
6393         Use match_scratch instead of match_operand for operands 3 and 4.
6395 2008-04-27  Richard Guenther  <rguenther@suse.de>
6397         PR tree-optimization/18754
6398         PR tree-optimization/34223
6399         * tree-pass.h (pass_complete_unrolli): Declare.
6400         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
6401         loop size before and after unconditionally of UL_NO_GROWTH in effect.
6402         Rewrite loop into loop closed SSA form if it is not already.
6403         (tree_unroll_loops_completely): Re-structure to iterate over
6404         innermost loops with intermediate CFG cleanups.
6405         Unroll outermost loops only if requested or the code does not grow
6406         doing so.
6407         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
6408         loops are available.
6409         (tree_vectorize): Instead do so here.
6410         (tree_complete_unroll): Also unroll outermost loops.
6411         (tree_complete_unroll_inner): New function.
6412         (gate_tree_complete_unroll_inner): Likewise.
6413         (pass_complete_unrolli): New pass.
6414         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
6415         uses outside of the loop.
6416         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
6417         form if it is available.  
6418         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
6419         * passes.c (init_optimization_passes): Schedule complete inner
6420         loop unrolling pass before the first CCP pass after final inlining.
6422 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
6424         * targhooks.h (default_emutls_var_fields,
6425         default_emutls_var_init): Declare.
6426         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
6427         * target.h (struct gcc_target): Add struct emutls member.
6428         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
6429         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
6430         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
6431         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
6432         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
6433         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
6434         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
6435         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
6436         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
6437         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
6438         emit debug information.
6439         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
6440         * varasm.c: Include targhooks.h.
6441         (emutls_object_section, emutls_tmpl_section): New.
6442         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
6443         (EMUTLS_SEPARATOR): New.
6444         (prefix_name): New.
6445         (get_emutls_object_name): New.
6446         (default_emutls_var_fields): New, broken out of ...
6447         (get_emutls_object_type): ... here.  Adjust to use target hooks.
6448         (get_emutls_init_templ_addr): Adjust to use target hooks.
6449         (emutls_decl): Adjust to use target hooks.
6450         (emutls_finish): Likewise.
6451         (default_emutls_var_init): New, broken out of ...
6452         (assemble_variable): ... here.  Adjust to use target hooks.
6453         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
6454         SECCAT_EMUTLS_TMPL.
6455         * c-common.c (handle_section_attribute): Prevent overriding
6456         sections for emulated tls with special sections.
6457         * config/i386/i386.c (x86_64_elf_select_section): Add
6458         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
6459         (x86_64_elf_unique_section): Likewise.
6460         * config/vxworks.c: Include tree.h.
6461         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
6462         (vxworks_override_options): Set TLS scheme.
6463         * doc/tm.texi (Emulated TLS): New node.
6465 2008-04-26  Simon Baldwin <simonb@google.com>
6467         PR c/35652
6468         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
6469         with propagated string constants.
6471 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
6473         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
6474         constraint for operand 2 when operand 0 is memory operand.
6475         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
6476         operand 0 is memory operand.
6477         (fix_trunc<mode>_i387_with_temp): Ditto.
6478         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
6479         operand 2 when operand 1 is memory operand.
6480         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
6481         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
6482         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
6483         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
6484         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
6485         operands 2,3 and 4 when operand 1 is memory operand.
6486         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
6487         is memory operand.
6488         (fistdi2_floor_with_temp): Ditto.
6489         (fist<mode>2_floor_with_temp): Ditto.
6490         (fistdi2_ceil_with_temp): Ditto.
6491         (fist<mode>2_ceil_with_temp): Ditto.
6492         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
6494 2008-04-26  David Daney  <ddaney@avtrex.com>
6496         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
6497         unspec_volitile.
6498         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
6499         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
6500         UNSPEC_UPDATE_GOT_VERSION): Renumber.
6501         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
6502         (compare_and_swap_12): New insn.
6503         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
6504         * config/mips/mips.c (mips_force_binary): New function.
6505         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
6506         (mips_expand_compare_and_swap_12): New function.
6507         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
6509 2008-04-25  Jan Hubicka  <jh@suse.cz>
6511         PR testsuite/35843
6512         * cfgexpand.c (pass_expand): Turn into RTL pass.
6513         * passes.c (execute_one_pass): Do pass typechecking after execution.
6514         * tree-pass.h (pass_expand): Turn into RTL pass.
6516         * function.h (struct rtl_data): Move here fields
6517         accesses_prior_frames, calls_eh_return, saves_all_registers,
6518         has_nonlocal_goto, has_asm_statement, is_thunk,
6519         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
6520         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
6521         arg_pointer_save_area_init from struct function; turn into bool.
6522         (struct function): Move
6523         calls_eh_return, saves_all_registers, has_nonlocal_goto,
6524         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
6525         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
6526         tail_call_emit, arg_pointer_save_area_init
6527         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
6528         (current_function_returns_struct, current_function_returns_pcc_struct,
6529         current_function_calls_setjmp, current_function_calls_alloca,
6530         current_function_accesses_prior_frames,
6531         current_function_calls_eh_return, current_function_is_thunk,
6532         current_function_stdarg, current_function_profile,
6533         current_function_limit_stack, current_function_uses_pic_offset_table,
6534         current_function_uses_const_pool, current_function_has_nonlocal_label,
6535         current_function_saves_all_registers,
6536         current_function_has_nonlocal_goto,
6537         current_function_has_asm_statement): Remove accesor macros.
6538         * ra-conflict.c (global_conflicts): Update.
6539         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
6540         (suitable_for_tail_call_opt_p): Update.
6541         * builtins.c (expand_builtin_return_addr): Update.
6542         (expand_builtin_setjmp_setup): Update.
6543         (expand_builtin_nonlocal_goto): Update.
6544         * final.c (final_start_function): Update.
6545         (profile_function): Update.
6546         (leaf_function_p): Update.
6547         (only_leaf_regs_used): Update.
6548         * df-scan.c (df_get_exit_block_use_set): Update.
6549         * dojump.c (clear_pending_stack_adjust): Update.
6550         * tree-stdarg.c (gate_optimize_stdarg): Update.
6551         * gimple-low.c (lower_function_body): Update.
6552         * global.c (compute_regsets): Update.
6553         (global_alloc): Update.
6554         * dwarf2out.c (dwarf2out_begin_prologue): Update.
6555         * expr.c (expand_assignment): Update.
6556         * dse.c (dse_step0): Update.
6557         (dse_step1): Update.
6558         * c-decl.c (store_parm_decls): Update.
6559         * local-alloc.c (combine_regs): Update.
6560         (find_free_reg): Update.
6561         * function.c (assign_parms_augmented_arg_list): Update.
6562         (assign_parm_find_data_types): Update.
6563         (assign_parms): Update.
6564         (allocate_struct_function): Update.
6565         (expand_function_start): Update.
6566         (expand_function_end): Update.
6567         (get_arg_pointer_save_area): Update.
6568         (thread_prologue_and_epilogue_insns): Update.
6569         (rest_of_match_asm_constraints): Update.
6570         * stor-layout.c (variable_size): Update.
6571         * gcse.c (gcse_main): Update.
6572         (bypass_jumps): Update.
6573         * gimplify.c (gimplify_function_tree): Update.
6574         * calls.c (emit_call_1): Update.
6575         (expand_call): Update.
6576         * bt-load.c (compute_defs_uses_and_gen): Update.
6577         * except.c (sjlj_assign_call_site_values): Update.
6578         (sjlj_emit_function_enter): Update.
6579         (can_throw_external): Update.
6580         (set_nothrow_function_flags): Update.
6581         (expand_builtin_unwind_init): Update.
6582         (expand_eh_return): Update.
6583         (convert_to_eh_region_ranges): Update.
6584         (output_function_exception_table): Update.
6585         * emit-rtl.c (gen_tmp_stack_mem): Update.
6586         * cfgexpand.c (expand_used_vars): Update.
6587         (tree_expand_cfg): Update.
6588         * cfgcleanup.c (rest_of_handle_jump): Update.
6589         * explow.c (allocate_dynamic_stack_space): Update.
6590         * varasm.c (assemble_start_function): Update.
6591         (force_const_mem): Update.
6592         (mark_constant_pool): Update.
6593         * tree-optimize.c (tree_rest_of_compilation): Update.
6594         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
6595         * tree-cfg.c (notice_special_calls): Update.
6596         (is_ctrl_altering_stmt): Update.
6597         (tree_can_make_abnormal_goto): Update.
6598         (tree_purge_dead_abnormal_call_edges): Update.
6599         * config/alpha/predicates.md: Update.
6600         * config/alpha/alpha.c (alpha_sa_mask): Update.
6601         (alpha_sa_size): Update.
6602         (alpha_does_function_need_gp): Update.
6603         (alpha_expand_prologue): Update.
6604         (alpha_start_function): Update.
6605         (alpha_output_function_end_prologue): Update.
6606         (alpha_expand_epilogue): Update.
6607         * config/frv/frv.c (frv_stack_info): Update.
6608         (frv_expand_epilogue): Update.
6609         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
6610         (s390_register_info): Update.
6611         (s390_frame_info): Update.
6612         (s390_init_frame_layout): Update.
6613         (s390_can_eliminate): Update.
6614         (save_gprs): Update.
6615         * config/spu/spu.c (spu_split_immediate): Update.
6616         (need_to_save_reg): Update.
6617         (spu_expand_prologue): Update.
6618         (spu_expand_epilogue): Update.
6619         * config/sparc/sparc.md: Update.
6620         * config/sparc/sparc.c (eligible_for_return_delay): Update.
6621         (sparc_tls_got): Update.
6622         (legitimize_pic_address): Update.
6623         (sparc_emit_call_insn): Update.
6624         (sparc_expand_prologue): Update.
6625         (output_return): Update.
6626         (print_operand): Update.
6627         (sparc_function_ok_for_sibcall): Update.
6628         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
6629         * config/m32r/m32r.md: Update.
6630         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
6631         (m32r_compute_frame_size): Update.
6632         (m32r_expand_prologue): Update.
6633         (m32r_expand_epilogue): Update.
6634         (m32r_legitimize_pic_address): Update.
6635         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
6636         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6637         * config/i386/i386.c (ix86_frame_pointer_required): Update.
6638         (gen_push): Update.
6639         (ix86_save_reg): Update.
6640         (ix86_compute_frame_layout): Update.
6641         (ix86_expand_prologue): Update.
6642         (ix86_expand_epilogue): Update.
6643         * config/sh/sh.c (output_stack_adjust): Update.
6644         (calc_live_regs): Update.
6645         (sh5_schedule_saves): Update.
6646         (sh_expand_prologue): Update.
6647         (sh_expand_epilogue): Update.
6648         (sh_setup_incoming_varargs): Update.
6649         (sh_allocate_initial_value): Update.
6650         (sh_get_pr_initial_val): Update.
6651         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
6652         * config/sh/sh.md (label:): Update.
6653         * config/avr/avr.c (out_movhi_mr_r): Update.
6654         * config/crx/crx.h (enum): Update.
6655         * config/xtensa/xtensa.h (along): Update.
6656         * config/stormy16/stormy16.c Update.
6657         (xstormy16_compute_stack_layout): Update.
6658         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
6659         (fr30_expand_prologue): Update.
6660         * config/cris/cris.c (cris_conditional_register_usage): Update.
6661         (cris_reg_saved_in_regsave_area): Update.
6662         (cris_initial_frame_pointer_offset): Update.
6663         (cris_simple_epilogue): Update.
6664         (cris_expand_prologue): Update.
6665         (cris_expand_epilogue): Update.
6666         (cris_expand_pic_call_address): Update.
6667         (cris_asm_output_symbol_ref): Update.
6668         (cris_asm_output_label_ref): Update.
6669         * config/cris/cris.md Update.
6670         * config/iq2000/iq2000.c (compute_frame_size): Update.
6671         (iq2000_expand_epilogue): Update.
6672         * config/mt/mt.h (save_direction): Update.
6673         * config/mn10300/mn10300.c (mn10300_function_value): Update.
6674         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
6675         (ia64_secondary_reload_class): Update.
6676         * config/m68k/m68k.c (m68k_save_reg): Update.
6677         (m68k_expand_prologue): Update.
6678         (m68k_expand_epilogue): Update.
6679         (legitimize_pic_address): Update.
6680         * config/rs6000/rs6000.c (rs6000_got_register): Update.
6681         (first_reg_to_save): Update.
6682         (first_altivec_reg_to_save): Update.
6683         (compute_vrsave_mask): Update.
6684         (compute_save_world_info): Update.
6685         (rs6000_stack_info): Update.
6686         (spe_func_has_64bit_regs_p): Update.
6687         (rs6000_ra_ever_killed): Update.
6688         (rs6000_emit_eh_reg_restore): Update.
6689         (rs6000_emit_allocate_stack): Update.
6690         (rs6000_emit_prologue): Update.
6691         (rs6000_emit_epilogue): Update.
6692         (rs6000_output_function_epilogue): Update.
6693         (output_profile_hook): Update.
6694         (rs6000_elf_declare_function_name): Update.
6695         * config/rs6000/rs6000.h (rs6000_args): Update.
6696         * config/rs6000/rs6000.md: Update.
6697         * config/mcore/mcore.c (mcore_expand_prolog): Update.
6698         * config/arc/arc.c (arc_output_function_epilogue): Update.
6699         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
6700         * config/darwin.c (machopic_function_base_name): Update.
6701         * config/score/score3.c (score3_compute_frame_size): Update.
6702         (rpush): Update.
6703         (rpop): Update.
6704         (score3_epilogue): Update.
6705         * config/score/score7.c (score7_compute_frame_size): Update.
6706         (score7_prologue): Update.
6707         (score7_epilogue): Update.
6708         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
6709         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
6710         * config/arm/arm.c (use_return_insn): Update.
6711         (require_pic_register): Update.
6712         (arm_load_pic_register): Update.
6713         (arm_compute_save_reg0_reg12_mask): Update.
6714         (arm_compute_save_reg_mask): Update.
6715         (thumb1_compute_save_reg_mask): Update.
6716         (output_return_instruction): Update.
6717         (arm_output_function_prologue): Update.
6718         (arm_output_epilogue): Update.
6719         (arm_get_frame_offsets): Update.
6720         (arm_expand_prologue): Update.
6721         (thumb_pushpop): Update.
6722         (thumb_exit): Update.
6723         (thumb1_expand_prologue): Update.
6724         (thumb1_expand_epilogue): Update.
6725         (arm_unwind_emit): Update.
6726         (arm_output_fn_unwind): Update.
6727         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
6728         * config/arm/arm.md: Update.
6729         * config/pa/pa.md: Update.
6730         * config/pa/pa.c (legitimize_pic_address): Update.
6731         (compute_frame_size): Update.
6732         (hppa_expand_prologue): Update.
6733         (hppa_expand_epilogue): Update.
6734         (borx_reg_operand): Update.
6735         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
6736         (HARD_REGNO_RENAME_OK): Update.
6737         * config/mips/mips.c (mips_global_pointer): Update.
6738         (mips_save_reg_p): Update.
6739         (mips_compute_frame_info): Update.
6740         (mips_frame_pointer_required): Update.
6741         (mips_expand_prologue): Update.
6742         (mips_expand_epilogue): Update.
6743         (mips_can_use_return_insn): Update.
6744         (mips_reorg_process_insns): Update.
6745         * config/v850/v850.c (compute_register_save_size): Update.
6746         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
6747         * config/mmix/mmix.c (along): Update.
6748         (mmix_expand_epilogue): Update.
6749         * config/bfin/bfin.c (legitimize_pic_address): Update.
6750         (must_save_p): Update.
6751         (stack_frame_needed_p): Update.
6752         (add_to_reg): Update.
6753         (bfin_expand_prologue): Update.
6754         * stmt.c (expand_asm_operands): Update.
6755         * reload1.c (reload): Update.
6756         (init_elim_table): Update.
6758 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
6759         
6760         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
6761         
6762 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
6764         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
6765         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
6766         (mov<mode>): Removed.
6767         (*movv4sf_internal): Likewise.
6768         (*movv2df_internal): Likewise.
6770 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
6772         * config.gcc (crx-*-elf): Remove deprecation.
6774 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
6776         * config/i386/cygming-crtend.c (register_frame_ctor): Register
6777         __gcc_deregister_frame with atexit.
6778         (deregister_frame_dtor): Remove.
6780 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
6781             Nathan Sidwell  <nathan@codesourcery.com>
6783         * config/rs6000/rs6000.opt (mspe): Remove Var property.
6784         (misel): Likewise.
6785         * config/rs6000/rs6000.h (rs6000_spe): Declare.
6786         (rs6000_isel): Likewise.
6787         * config/rs6000/rs6000.c (rs6000_spe): New variable.
6788         (rs6000_isel): New variable.
6789         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
6791 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6793         PR c++/35758
6794         * c-common.c (handle_vector_size_attribute): Call
6795         lang_hooks.types.reconstruct_complex_type instead of
6796         reconstruct_complex_type.
6797         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
6798         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
6799         * langhooks.h (struct lang_hooks_for_types): Add
6800         reconstruct_complex_type hook.
6801         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
6802         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
6804 2008-04-24  Richard Guenther  <rguenther@suse.de>
6806         * c-common.h (check_builtin_function_arguments): Declare.
6807         * c-common.c (validate_nargs): New function.
6808         (check_builtin_function_arguments): Likewise.
6809         * c-typeck.c (build_function_call): Call
6810         check_builtin_function_arguments.
6811         * builtins.c (fold_builtin_classify): Remove error reporting code.
6812         (fold_builtin_unordered_cmp): Likewise.
6813         (fold_builtin_1): Likewise.
6814         (fold_builtin_n): Likewise.
6816 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6818         PR tree-optimization/36008
6819         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
6820         the original op1, rather than delta by step.
6822 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
6823             Sebastian Pop  <sebastian.pop@amd.com>
6825         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
6826         eliminate_local_variables_stmt, eliminate_local_variables,
6827         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
6828         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
6829         of code delimited by two edges in the CFG.
6830         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
6831         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
6832         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
6833         the case of parallelisation of reductions.
6834         (expr_invariant_in_region_p): New.
6836         * tree-flow.h (gather_blocks_in_sese_region): Declared.
6837         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
6839 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6840             Richard Guenther  <rguenther@suse.de>
6842         PR tree-optimization/36034
6843         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
6844         incapable of dealing with loads with gaps.
6846 2008-04-24  Rafael Espindola  <espindola@google.com>
6848         * tree-flow.h (vrp_evaluate_conditional): Change signature.
6849         * tree-ssa-propagate.c (fold_predicate_in): Update call to
6850         vrp_evaluate_conditional.
6851         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
6852         (vrp_evaluate_conditional): Split the cond argument.
6853         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
6854         (simplify_stmt_for_jump_threading): Update call to
6855         vrp_evaluate_conditional.
6857 2008-04-24  Ira Rosen  <irar@il.ibm.com>
6859         PR tree-optimization/35982
6860         * tree-vect-analyze.c (vect_check_interleaving): Check that the
6861         interleaved data-refs are of the same type.
6863 2008-04-24  Danny Smith  <dannysmith@users.net>
6865         * c-format.c (check_format_info_main): Use strncmp rather than a
6866         magic prefix to handle multichar length specs.
6867         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
6868         Don't prefix "I64" and "I32" with '\0'.
6870 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
6872         PR target/36015
6873         * config/i386/i386.c (init_cumulative_args): Don't pass anything
6874         in registers for -m32 only if stdarg_p (fntype).
6876 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
6878         PR rtl-optimization/36006
6879         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
6880         temp to op0 in order to avoid invalid rtx sharing.
6882 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
6884         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
6885         check TREE_INVARIANT.
6886         * tree-gimple.c (is_gimple_address): New.
6887         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
6888         * tree-gimple.h (is_gimple_address): New.
6889         * tree.h (decl_address_invariant_p): New.
6890         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
6891         (build_string): Likewise.
6892         (decl_address_invariant_p): New, from is_gimple_invariant_address.
6893         (tree_invariant_p_1): Likewise.
6894         (save_expr): Use it.
6895         (tree_invariant_p): New.
6896         (skip_simple_arithmetic): Use it.
6897         (stabilize_reference_1): Use it.
6898         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
6899         simplify.
6900         (build1_stat): Drop code to compute TREE_INVARIANT.
6901         (build2_stat): Drop code to compute TREE_INVARIANT.
6902         (build3_stat): Drop code to compute TREE_INVARIANT.
6903         (build4_stat): Drop code to compute TREE_INVARIANT.
6904         (build5_stat): Drop code to compute TREE_INVARIANT.
6905         (build7_stat): Drop code to compute TREE_INVARIANT.
6906         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
6907         * tree.h (struct tree_base): Remove invariant_flag.
6908         (TREE_INVARIANT): Remove.
6909         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
6910         (fold_builtin_expect): Check TREE_CONSTANT.
6911         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
6912         * c-tree.h (c_expr_to_decl): Drop third parameter.
6913         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
6914         (build_c_cast): Don't set TREE_INVARIANT.
6915         (pop_init_level): Don't set TREE_INVARIANT.
6916         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
6917         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
6918         TREE_CONSTANT.
6919         (gimplify_init_constructor): Don't set TREE_INVARIANT.
6920         (gimplify_addr_expr): Adjust comment.
6921         * tree-mudflap.c (mf_build_string):
6922         * print-tree.c (print_node): Don't print TREE_INVARIANT.
6923         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
6924         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
6925         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
6926         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
6927         * langhooks.h (struct lang_hooks): Drop third parameter from
6928         expr_to_decl.
6930 2008-04-23  Richard Guenther  <rguenther@suse.de>
6932         PR tree-optimization/27799
6933         PR tree-optimization/32921
6934         PR tree-optimization/32624
6935         * tree-ssa-structalias.c (merge_smts_into): Only merge the
6936         SMTs aliases and the tag itself into the solution.
6937         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
6938         merge the points-to solution back into the SMT aliases.
6939         (may_alias_p): Use alias_set_subset_of instead of
6940         aliases_conflict_p.  A pointer which points to
6941         memory with alias set zero may access any variable.
6943 2008-04-23  Richard Guenther  <rguenther@suse.de>
6945         * alias.c (alias_set_subset_of): Correctly handle asking
6946         if zero is a subset of an alias set with zero child.
6947         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
6948         (compute_flow_insensitive_aliasing): Correctly walk all
6949         pointers.  Do not unnecessarily union sets.
6951 2008-04-23  Richard Guenther  <rguenther@suse.de>
6953         PR middle-end/36021
6954         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
6956 2008-04-22  Tomas Bily  <tbily@suse.cz>
6958         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
6959         unreachable case.
6960         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
6961         NON_LVALUE_EXPR.
6962         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
6963         * tree-ssa-structalias.c (get_constraint_for): Likewise.
6964         * tree-inline.c (estimate_num_insns_1): Likewise.
6965         * varasm.c (const_hash_1, compare_constant, copy_constant)
6966         (compute_reloc_for_constant, output_addressed_constants): Likewise.
6967         * emit-rtl.c (component_ref_for_mem_expr)
6968         (set_mem_attributes_minus_bitpos): Likewise.
6969         * expr.c (highest_pow2_factor, expand_expr_real_1, )
6970         (is_aligning_offset): Likewise.
6971         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
6972         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
6973         * dojump.c (do_jump): Likewise.
6974         * builtins.c (get_pointer_alignment, get_memory_rtx)
6975         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
6976         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
6978 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
6980         PR rtl-optimization/36017
6981         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
6982         expanding the library call.
6984 2008-04-22  Ian Lance Taylor  <iant@google.com>
6986         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
6987         than size_in_bytes.
6989 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
6991         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
6992         of LR/CTR moves for Power6.
6994 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
6996         PR middle-end/36003
6997         * passes.c (init_optimization_passes): Remove
6998         pass_fast_rtl_byte_dce.
6999         
7000 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
7002         PR target/29096
7003         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
7004         builtin functions to generate faster code.
7005         (_mm_cvtpu16_ps): Ditto.
7006         (_mm_cvtpi32x2_ps): Ditto.
7008 2008-04-22  Nick Clifton  <nickc@redhat.com>
7010         * common.opt (ftree-loop-distribution): Add Optimization
7011         attribute.
7013         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
7014         (frv_expand_builtin_va_start): Likewise.
7016         * config/arm/arm.c (thumb_find_work_register): Fix location of
7017         argument register count.
7019 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
7021         Support scheduling for ColdFire V1 and V3 microarchitecture.
7022         Improve scheduling of multiplication instructions.
7024         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
7025         (mac): New instruction attribute.
7026         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
7027         (m68k_sched_mac): New variable.
7028         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
7029         Handle cfv1 and cfv3.
7030         (max_insn_size): New static variable.
7031         (struct _sched_ib): New type.
7032         (sched_ib): New static variable.
7033         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
7034         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
7035         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
7036         Update.
7037         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
7038         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
7039         new variables.  Update.
7040         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
7041         Add modeling of cfv3 instruction buffer.  Update.
7042         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
7043         * config/m68k/m68k.h (TUNE_CFV3): New macro.
7044         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
7045         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
7046         a particular reservation applies to.
7047         (type2): Reorganize attribute values.  Rename alu to alu_reg,
7048         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
7049         to mul_l and mul_w.
7050         (cf_ib_*): Simplify description of instruction buffer.
7051         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
7052         (cf_mem): Split into cf_mem1 and cf_mem2.
7053         (cf_v2_move_??): Rename to cfv12_alu_??.
7054         (cf_v2_move_l_??): Rename to cfv12_omove_??.
7055         (cf_v2_mul_??): Remove reservations.
7056         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
7057         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
7058         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
7059         appropriate place.
7060         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
7061         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
7062         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
7063         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
7064         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
7065         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
7066         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
7067         expansions of the above reservations for instructions of sizes
7068         1, 2 and 3 words.
7070 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
7072         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
7074 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
7076         * coverage.c: Include tree-pass.h.
7077         (coverage_counter_alloc): Print da_file_name to the dump file.
7079 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
7081         * sbitmap.c (sbitmap_range_empty_p): New function.
7082         * sbitmap.h (sbitmap_range_empty_p): New function.
7083         * bitmap.h: Now includes obstack.h.
7085 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
7086             Kenneth Zadeck  <zadeck@naturalbridge.com>
7088         * dbgcnt.def (ra_byte_scan): Added.
7089         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
7090         when the last hit happens for a counter.  
7091         * timevar.def (TV_DF_BYTE_LR): New variable.
7092         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
7093         * passes.c (pass_fast_rtl_byte_dce): New pass.
7094         * fwprop.c (update_df): Added mode to call df_ref_create.
7095         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
7096         DF_REF_EXTRACT_OFFSET.
7097         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
7098         DF_BYTE_LR_OUT, df_byte_lr): New macro.
7099         (df_mm): New enum.
7100         (df_ref_extract): Added mode field.
7101         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
7102         DF_REF_EXTRACT_OFFSET.
7103         (DF_REF_EXTRACT_MODE): New macro.
7104         (df_byte_lr_bb_info): New structure.
7105         (df_print_byte_regset, df_compute_accessed_bytes, 
7106         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
7107         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
7108         df_byte_lr_simulate_uses,
7109         df_byte_lr_simulate_artificial_refs_at_top,
7110         df_byte_lr_simulate_artificial_refs_at_end,
7111         df_compute_accessed_bytes): New function.
7112         (df_ref_create): Add parameter.
7113         (df_byte_lr_get_bb_info): New inline function.
7114         * df-scan.c (df_ref_record, df_uses_record,
7115         df_ref_create_structure): Added mode parameter.
7116         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
7117         df_defs_record, df_uses_record, df_get_conditional_uses,
7118         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
7119         df_entry_block_defs_collect, df_exit_block_uses_collect):
7120         Added mode parameter to calls to df_ref_record, df_uses_record,
7121         df_ref_create_structure.
7122         (df_ref_equal_p, df_ref_compare): Added test for modes.
7123         (df_ref_create_structure): Added code to set mode.  Renamed
7124         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
7125         DF_REF_EXTRACT_OFFSET.
7126         * df-core.c (df_print_byte_regset): New function.
7127         * df-byte-scan.c: New file.
7128         * df-problems.c (df_rd_transfer_function): Removed unnecessary
7129         calls to BITMAP_FREE.  
7130         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
7131         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
7132         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
7133         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
7134         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
7135         df_byte_lr_local_compute, df_byte_lr_init,
7136         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
7137         df_byte_lr_transfer_function, df_byte_lr_free, 
7138         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
7139         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
7140         df_byte_lr_simulate_uses,
7141         df_byte_lr_simulate_artificial_refs_at_top,
7142         df_byte_lr_simulate_artificial_refs_at_end): New function.
7143         * dce.c (byte_dce_process_block): New function.
7144         (dce_process_block): au is now passed in rather than computed
7145         locally.  Changed loops that look at artificial defs to not look
7146         for conditional or partial ones, because there never are any.  
7147         (fast_dce): Now is able to drive byte_dce_process_block or 
7148         dce_process_block depending on the kind of dce being done.
7149         (rest_of_handle_fast_dce): Add parameter to fast_dce.
7150         (rest_of_handle_fast_byte_dce): New function.
7151         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
7152         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
7154 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
7156         PR fortran/35019
7157         * gcc.h: Added fortran options that take arguments to
7158         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
7159         macros.
7161 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
7163         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
7164         scalarization if on the LHS and not a full access.
7166 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7168         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
7170 2008-04-18  Rafael Espindola  <espindola@google.com>
7172         * tree-vrp.c (find_case_label_index): Fix the binary search.
7173         (find_case_label_range): New.
7174         (vrp_visit_switch_stmt): Use find_case_label_range.
7175         (simplify_switch_using_ranges): Use find_case_label_range.
7177 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
7179         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
7180         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
7182 2008-04-18  Tom Tromey  <tromey@redhat.com>
7184         PR libcpp/15500:
7185         * doc/cpp.texi (Implementation-defined behavior): Mention
7186         -finput-charset.
7188 2008-04-18  Ian Lance Taylor  <iant@google.com>
7190         * fold-const.c (pointer_may_wrap_p): New static function.
7191         (fold_comparison): Add another test for pointer overflow.  Use
7192         pointer_may_wrap_p to disable some false positives.
7194 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
7195           
7196         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
7197         (fname_as_string): Match updated cpp_interpret_string prototype.
7198         (fix_string_type): Support char16_t* and char32_t*.
7199         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
7200         derivative) nodes.  Register as builtin if C++0x.
7201         (c_parse_error): Support CPP_CHAR{16,32}.
7202         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
7203         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
7204         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
7205         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
7206         CTI_CHAR32_ARRAY_TYPE>: New elements.
7207         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
7208         char32_type_node, signed_char32_type_node, char16_array_type_node,
7209         char32_array_type_node): New defines.
7210         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
7211         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
7212         (lex_string): Support CPP_STRING{16,32}, match updated
7213         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
7214         (lex_charconst): Support CPP_CHAR{16,32}.
7215         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
7216         and CPP_STRING{16,32}.
7218 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
7220         PR bootstrap/35457
7221         * aclocal.m4: Regenerate.
7222         * configure: Regenerate.
7224 2008-04-18  Jan Hubicka  <jh@suse.cz>
7226         * except.c (dw2_size_of_call_site_table,
7227         sjlj_size_of_call_site_table): Use vector API for call_site_record.
7229         * cgraphbuild.c (build_cgraph_edges): Update.
7230         * tree-pass.h: Update comment.
7231         * final.c (leaf_function_p): Update.
7232         (leaf_renumber_regs): Update.
7233         (rest_of_clean_state): Update.
7234         * omp-low.c (expand_omp_parallel): Update.
7235         * ipa-reference.c (analyze_function): Update.
7236         * reorg.c (find_end_label): Update.
7237         (optimize_skip): Update.
7238         (fill_simple_delay_slots): Update.
7239         (fill_simple_delay_slots): Update.
7240         (make_return_insns): Update.
7241         (dbr_schedule): Update.
7242         * gimple-low.c (record_vars_into): Update.
7243         * cfgbuild.c (make_edges): Update.
7244         * function.c (assign_stack_local): Update.
7245         (assign_parm_adjust_stack_rtl): Update.
7246         (locate_and_pad_parm): Update.
7247         (allocate_struct_function): Do not initialize stack_alignment_needed
7248         and preferred_stack_boundary here.
7249         (stack_protect_prologue): Update.
7250         (stack_protect_epilogue): Update.
7251         (expand_function_start): Initialize stack_alignment_needed,
7252         preferred_stack_boundary and max_jumptable_ents.
7253         (expand_function_end): Update.
7254         (free_after_compilation): Do not NULLify epilogue_delay_list.
7255         * function.h (struct rtl_data): Add stack_protect_guard,
7256         stack_alignment_needed,
7257         preferred_stack_boundary, epilogue_delay_list.
7258         (struct function): Remove value_histograms, stack_alignment_needed,
7259         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
7260         last_label_uid,
7261         unexpanded_var_list, stack_protect_guard.
7262         (current_function_epilogue_delay_list): Remove.
7263         * ipa-type-escape.c (analyze_function): Update.
7264         * gimplify.c (pop_gimplify_context): Update comment.
7265         * calls.c (expand_call): Update.
7266         (emit_library_call_value_1): Update.
7267         * except.c (set_nothrow_function_flags): Update.
7268         * cfgexpand.c (get_decl_align_unit): Update.
7269         (create_stack_guard): Update.
7270         (estimated_stack_frame_size): Update.
7271         (expand_used_vars): Update.
7272         (tree_expand_cfg): Free histogram earliers, init expansion variables.
7273         * explow.c (allocate_dynamic_stack_space): Update.
7274         * tree-ssa-live.c (remove_unused_locals): Update.
7275         * varasm.c (mark_constant_pool): Update.
7276         * tree-inline.c (remap_decls): Update.
7277         (initialize_cfun): Update.
7278         (declare_return_variable): Update.
7279         (inline_forbidden_p): Update.
7280         (expand_call_inline): Update.
7281         (declare_inline_vars): Update.
7282         (tree_function_versioning): Update.
7283         * tree-flow.h (value_histograms): New.
7284         (VALUE_HISTOGRAMS): New macro.
7285         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
7286         last_label_uid.
7287         * tree-cfg.c (set_bb_for_stmt): Update.
7288         (replace_by_duplicate_decl): Update.
7289         (move_block_to_fn): Update.
7290         (new_label_mapper): Update.
7291         (dump_function_to_file): Update.
7292         * ipa-struct-reorg.c (build_data_structure): Update.
7293         * cfgrtl.c (print_rtl_with_bb): Update.
7294         * reload1.c (reload): Update.
7295         (reload): Update.
7296         * config/i386/i386.c (setup_incoming_varargs_64,
7297         ix86_compute_frame_layout): Update.
7298         * config/arc/arc.c (arc_output_function_epilogue): Update.
7300 2008-04-18  Marius Strobl <marius@FreeBSD.org>
7302         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
7303         for FreeBSD as well.
7304         * gthr-posix95.h: Likewise.
7306 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
7308         PR rtl-optimization/35838
7309         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
7310         out the byte offset of the first subreg.
7312 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
7314         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
7315         to split_ti instead of three separate calls with single member arrays.
7316         (subti3 splitter): Ditto.
7317         (adddi3 splitter): Ditto with split_di.
7318         (subdi3 splitter): Ditto.
7319         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
7320         two separate calls with single member arrays.  Swap match_dup
7321         operands 1 and 2 to better fit into the array.
7322         (negdi2 splitter): Ditto with split_di.
7323         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
7324         two separate calls with single member arrays.  Swap match_dup operands
7325         6 and 7 to better fit into the array.
7327 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
7329         * config/i386/i386.c (sse_builtin_type): New.
7330         (bdesc_sse_args): Likewise.
7331         (bdesc_sse_3arg): Removed.
7332         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
7333         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
7334         IX86_BUILTIN_ROUNDPS.
7335         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
7336         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
7337         IX86_BUILTIN_ROUNDPS.
7338         (ix86_expand_sse_4_operands_builtin): Removed.
7339         (ix86_expand_sse_operands_builtin): New.
7340         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
7341         and CODE_FOR_sse4_1_roundps.
7342         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
7343         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
7345 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
7347         PR target/35907
7348         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
7349         regs before frame pop when needed.  If use_backchain_to_restore_sp
7350         then load backchain into a temp reg to restore vr and vrsave.  Add
7351         code to restore vr after frame pop if possible.
7353 2008-04-17  Richard Guenther  <rguenther@suse.de>
7355         * tree-vn.c (expressions_equal_p): Do not check type
7356         equality or compatibility before calling operand_equal_p.
7357         * fold-const.c (operand_equal_p): Check equivalence of
7358         integer constants before bailing out due to signedness or
7359         precision differences.
7360         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
7361         spurious differences in type qualification.  Ignore types
7362         for COMPONENT_REFs at all.
7364 2008-04-17  Christian Bruel  <christian.bruel@st.com>
7366         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
7367         msw_skip comparison.
7368         
7369 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
7371         PR c/35739
7372         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
7373         reg type.
7375         PR tree-optimization/35899
7376         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
7377         rather than TREE_OPERAND.
7379 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
7381         PR target/35944
7382         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
7383         temporary registers.  Change operand predicate to general_operand.
7384         (remainderxf3): Ditto.
7386 2008-04-16  Richard Guenther  <rguenther@suse.de>
7388         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
7389         * tree-affine.c (aff_combination_expand): Look through some
7390         conversions.
7392 2008-04-15  Doug Kwan  <dougkwan@google.com>
7394         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
7395         for hex printing.
7396         * tree-pretty-print.c (dump_generic_node): Ditto.
7397         * final.c (output_addr_const): Ditto.
7398         * dwarf2out.c (output_cfi): Ditto.
7399         * c-pretty-print.c (pp_c_integer_constant): Ditto.
7400         * print-rtl.c (print_rtx): Ditto.
7401         * print-tree.c (print_node_brief, print_node): Ditto.
7402         * c-common.c (match_case_to_enum_1): Ditto.
7403         * sched-vis.c (print_value): Ditto.
7404         * config/i386/i386.c (print_operand): Cast to long unsigned int
7405         for hex printing.
7407 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
7408         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
7409         MS Windows VirtualProtect function.
7411 2008-04-15  Jan Hubicka  <jh@suse.cz>
7413         * gengtype.c (write_root): Param_is argument is OK.
7414         * expr.c (expand_expr_real_1): Update call of get_exception_*.
7415         * function.h: Include varray.h
7416         (rtl_eh): New stucture based on except.c one.
7417         (call_site_record): New forward declaration and vector type.
7418         * calls.c (emit_call_1): Do not call
7419         note_current_region_may_contain_throw.
7420         * except.c (eh_status): Remove cur_region, try_region since they are
7421         unused.
7422         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
7423         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
7424         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
7425         Remove call_site_data_used, call_site_data_size.
7426         Turn call_site_record into vector in function.h.
7427         (note_current_region_may_contain_throw): Remove.
7428         (get_exception_pointer, get_exception_filter): Do not take struct
7429         function argument; update.
7430         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
7431         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
7432         build_post_landing_pads, dw2_build_landing_pads,
7433         sjlj_assign_call_site_values, sjlj_mark_call_sites,
7434         sjlj_emit_function_enter, sjlj_emit_function_enter, 
7435         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
7436         sjlj_build_landing_pads, finish_eh_generation,
7437         remove_exception_handler_label, remove_eh_handler,
7438         maybe_remove_eh_handler, add_reachable_handler,
7439         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
7440         add_action_record, collect_one_action_chain, add_call_site,
7441         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
7442         sjlj_output_call_site_table, output_function_exception_table,
7443         * except.h (note_current_region_may_contain_throw): Remove
7444         (get_exception_pointer, get_exception_filter): Do not take struct
7445         function argument.
7446         * Makefile.in (GTFILES): Put varargs before struct function.
7448 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
7450         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
7451         punt for STRING_CST.
7452         (get_constraint_for): Deal with STRING_CST here instead.
7454 2008-04-15  Richard Guenther  <rguenther@suse.de>
7456         * tree-ssa-propagate.c (substitute_and_fold): Substitute
7457         statements in a basic-block with a backward walk.  Do not
7458         substitute into dead statements but instead remove those.
7460 2008-04-15  Richard Guenther  <rguenther@suse.de>
7462         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
7463         to zero, thus disable creation of SFTs.
7465 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
7467         * tree-predcom.c (suitable_reference_p): Return false if the
7468         reference can throw.
7470 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
7472         PR c/35751
7473         * c-decl.c (finish_decl): If extern or static var has variable
7474         size, set TREE_TYPE (decl) to error_mark_node.
7476 2008-04-15  Rafael Espindola  <espindola@google.com>
7478         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
7479         variable arg1.
7481 2008-04-15  Richard Guenther  <rguenther@suse.de>
7483         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
7484         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
7485         (visit_reference_op_load): Do walk vuse-vdef chains on
7486         vn_reference_lookup.
7487         (visit_reference_op_store): But do not here.
7488         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
7489         vn_reference_lookup.
7490         (vn_lookup_with_vuses): But do so here.
7492 2008-04-14  Ian Lance Taylor  <iant@google.com>
7494         * fold-const.c (fold_overflow_warning): Remove assertion.
7496 2008-04-15  Ben Elliston  <bje@au.ibm.com>
7498         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
7499         temp1 local variables.
7501 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
7503         PR target/35661
7504         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
7505         ".text.unlikely" section as executable.
7507 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
7509         * config/ia64/ia64.c (rtx_needs_barrier): Handle
7510         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
7511         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
7512         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
7513         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
7514         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
7515         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
7517 2008-04-14  Ian Lance Taylor  <iant@google.com>
7519         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
7520         * fold-const.c (fold_comparison): If appropriate, test
7521         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
7522         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
7523         reassociating a pointer type.
7524         * doc/invoke.texi (Optimize Options): Document that
7525         -fstrict-overflow applies to pointer wraparound.
7527 2008-04-13  Jan Hubicka  <jh@suse.cz>
7529         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
7531 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
7533         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
7534         we are going to "save the world".
7536 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
7538         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
7539         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
7540         operand 0 constraint, not "=".
7542 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
7544         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
7546 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
7548         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
7549         of size of positions_needed * CHAR_BIT.
7551 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
7553         PR middle-end/35897
7554         * dse.c (store_info): Change positions_needed to unsigned
7555         HOST_WIDE_INT.
7556         (lowpart_bitmask): New.
7557         (record_store): Cast to unsigned HOST_WIDE_INT for
7558         positions_needed.  Assert width <= size of positions_needed *
7559         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
7560         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
7561         lowpart_bitmask to set mask.
7563 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
7565         * config/bfin/constraints.md: New file.
7566         * config/bfin/bfin.md: Include it.
7567         (adddi3): Use satisfies_constraint functions instead of the old macros.
7568         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
7569         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
7570         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
7571         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
7572         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
7573         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
7574         EXTRA_CONSTRAINT): Delete.
7575         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
7576         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
7577         of the old macros.
7578         * config/bfin/bfin.c: Include "tm-constrs.h".
7579         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
7580         Use satisfies_constraint functions instead of the old macros.
7581         * doc/md.texi (Blackfin Constraints): Update file name reference.
7583 2008-04-11  Richard Guenther  <rguenther@suse.de>
7585         PR tree-optimization/35869
7586         * tree-vrp.c (execute_vrp): Move switch statement update after
7587         jump threading.  Schedule another cfg cleanup run.
7589 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
7591         PR c/35744
7592         * attribs.c (decl_attributes): Return early on errorneous node.
7594 2008-04-10  Oleg Ryjkov  <olegr@google.com>
7596         * tree.h (struct tree_base): Added a new flag default_def_flag.
7597         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
7599 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
7601         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
7603 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7605         PR target/35768
7606         * pa.md: Define mode iterator P.  Define mode attribute dwc.
7607         (dcacheflush): Update pattern to use iterator P and attribute dwc.
7608         (icacheflush): Likewise.
7609         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
7610         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
7612 2008-04-11  Ben Elliston  <bje@au.ibm.com>
7614         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
7616 2008-04-10  Rafael Espindola  <espindola@google.com>
7618         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
7619         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
7620         (extract_range_from_expr): The same.
7622 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
7624         * config/mips/mips.md (GPR2): New mode iterator.
7625         (seq): Add comment.
7626         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
7627         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
7628         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
7629         Rewrite these to take two modes, the mode of comparison and the
7630         mode of the destination.
7631         * config/mips/mips.c (mips_expand_scc): Instead of having
7632         paradoxical subreg as destination, expand "narrowing" scc if mode
7633         of comparison is SI and target is requested in DI mode.
7634         (mips_emit_int_order_test): Update comment.  Make mode of
7635         comparison match CMP0 rather than TARGET.  When creating inverse
7636         target use mode of TARGET.
7638 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
7640         * gcov-dump.c (tag_summary): Only print summaries for the first
7641         GCOV_COUNTERS_SUMMABLE counters.
7643 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
7645         * config/i386/i386.md (absneg): New code iterator.
7646         (absnegprefix): New code attribute.
7647         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
7648         patterns using absneg code iterator.
7649         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
7650         using absneg code iterator.
7651         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
7652         *neg<mode>2 patterns using absneg code iterator.
7653         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7654         *negextendsfdf2 patterns using absneg code iterator.
7655         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
7656         *negextendsfxf2 patterns using absneg code iterator.
7657         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
7658         *negextendsfdf2 patterns using absneg code iterator.
7659         * config/i386/sse.md (<code><mode>2): Macroize expander from
7660         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
7662 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
7664         * config/s390/s390.h: Remove the remains of the recent search
7665         & replace action of current_function_outgoing_args_size.
7667 2008-04-10  Ira Rosen  <irar@il.ibm.com>
7669         PR tree-optimization/35821
7670         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
7671         NEW_STMT_LIST is not NULL.
7673 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
7675         PR libstdc++/35597
7676         * toplev.c (process_options): Remove -ffunction-sections debugging
7677         warning.
7679 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
7681         PR middle-end/PR28690
7682         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
7683         than gen_rtx_fmt_ee to perform more canonicalizations.
7685 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7687         PR driver/35665
7688         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
7690 2008-04-09  Richard Guenther  <rguenther@suse.de>
7692         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
7693         (dump_function_to_file): Dump function arguments with types.
7695 2008-04-08  Richard Guenther  <rguenther@suse.de>
7697         * fold-const.c (fold_widened_comparison): Do not allow
7698         sign-changes that change the result.
7700 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
7702         PR target/35839
7703         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
7704         kinds of indirect references.
7706 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
7708         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
7709         GNU Fortran language string.
7711 2008-04-08  Rafael Espindola  <espindola@google.com>
7713         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
7714         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
7715         * tree.h (tree_call_nonnegative_warnv_p): New.
7717 2008-04-08  Jan Hubicka  <jh@suse.cz>
7719         * function.c (free_after_compilation): Clear out regno_reg_rtx
7720         pointer.
7722 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
7724         Revert
7725         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7727         PR middle-end/PR28690
7728         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
7729         same precedence as REG_POINTER and MEM_POINTER operands.
7731 2008-04-08  Richard Guenther  <rguenther@suse.de>
7733         PR middle-end/35834
7734         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
7735         for adding index to base.
7737 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
7739         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
7740         (MINGW_ENABLE_EXECUTE_STACK): New.
7741         (IN_LIBGCC2): For libgcc include windows.h file for
7742         function declarations.
7744 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
7746         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
7747         and tem2 if tem1 is not a REG or MULT.
7749 2008-04-08  Jan Hubicka  <jh@suse.cz>
7751         * function.h (incomming_args): Break out of struct function.
7752         (function_subsections): Break out of struct function.
7753         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
7754         return_rtx and hard_reg_initial_vals from struct function.
7755         Kill inl_max_label_num.
7756         (current_function_pops_args, current_function_args_info,
7757         current_function_args_size, current_function_args_size,
7758         current_function_pretend_args_size,
7759         current_function_outgoing_args_size,
7760         current_function_internal_arg_pointer, current_function_return_rtx):
7761         Kill compatibility accestor macros.
7762         * builtins.c (expand_builtin_apply_args_1): Update.
7763         (expand_builtin_next_arg): Update.
7764         * df-scan.c (df_get_call_refs): Update.
7765         * dbxout.c (dbxout_function_end): Update.
7766         * dwarf2out.c (dwarf2out_switch_text_section): Update.
7767         (output_line_info): Update.
7768         (secname_for_decl): Update.
7769         (dwarf2out_var_location): Update.
7770         * function.c (free_after_compilation): Update.
7771         (assign_parm_find_stack_rtl): Update.
7772         (assign_parms): Update.
7773         (expand_dummy_function_end): Update.
7774         (expand_function_end): Update.
7775         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
7776         (expand_call): Update.
7777         (emit_library_call_value_1): Update.
7778         (store_one_arg): Update.
7779         * varasm.c (initialize_cold_section_name): Update.
7780         (unlikely_text_section): Update.
7781         (unlikely_text_section_p): Update.
7782         (assemble_start_function): Update.
7783         (assemble_end_function): Update.
7784         (default_section_type_flags): Update.
7785         (switch_to_section): Update.
7786         * integrate.c (set_decl_abstract_flags): Update.
7787         (get_hard_reg_initial_val): Update.
7788         (has_hard_reg_initial_val): Update.
7789         (allocate_initial_values): Update.
7790         * resource.c (init_resource_info): Update.
7791         * config/alpha/alpha.c (NUM_ARGS): Update.
7792         (direct_return): Update.
7793         (alpha_va_start): Update.
7794         (alpha_sa_size): Update.
7795         (alpha_initial_elimination_offset): Update.
7796         (alpha_expand_prologue): Update.
7797         (alpha_start_function): Update.
7798         (alpha_expand_epilogue): Update.
7799         (unicosmk_initial_elimination_offset):
7800         * config/alpha/alpha.md (call expander): Update.
7801         * config/s390/s390.c (s390_register_info): Update.
7802         (s390_register_info): Update.
7803         (s390_frame_info): Update.
7804         (s390_initial_elimination_offset): Update.
7805         (s390_build_builtin_va_list): Update.
7806         (s390_va_start): Update.
7807         * config/spu/spu.c (direct_return): Update.
7808         (spu_expand_prologue): Update.
7809         (spu_initial_elimination_offset): Update.
7810         (spu_build_builtin_va_list): Update.
7811         (spu_va_start): Update.
7812         * config/sparc/sparc.c (sparc_init_modes): Update.
7813         (sparc_compute_frame_size): Update.
7814         (function_value): Update.
7815         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
7816         * config/i386/i386.md (return expander): Update.
7817         * config/i386/i386.c (ix86_va_start): Update.
7818         (ix86_can_use_return_insn_p): Update.
7819         (ix86_compute_frame_layout): Update.
7820         (ix86_expand_epilogue): Update.
7821         * config/sh/sh.c (output_stack_adjust): Update.
7822         (calc_live_regs): Update.
7823         (sh_expand_prologue): Update.
7824         (sh_builtin_saveregs): Update.
7825         (sh_va_start): Update.
7826         (initial_elimination_offset): Update.
7827         (sh_allocate_initial_value): Update.
7828         (sh_function_ok_for_sibcall): Update.
7829         (sh_get_pr_initial_val): Update.
7830         * config/sh/sh.md (return expander): Update.
7831         * config/avr/avr.c (frame_pointer_required_p): UPdate.
7832         * config/crx/crx.c (crx_compute_frame): UPdate.
7833         (crx_initial_elimination_offset): UPdate.
7834         * config/xtensa/xtensa.c (compute_frame_size): Update
7835         (xtensa_builtin_saveregs): Update.
7836         (xtensa_va_start): Update.
7837         (order_regs_for_local_alloc): Update.
7838         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
7839         (xstormy16_expand_builtin_va_start): Update.
7840         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
7841         * config/m68hc11/m68hc11.md (return expanders): Update.
7842         * config/m68hc11/m68hc11.c (expand_prologue): Update.
7843         (expand_epilogue): Update.
7844         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
7845         (cris_simple_epilogue): Update.
7846         (cris_expand_prologue): Update.
7847         (cris_expand_epilogue): Update.
7848         * config/iq2000/iq2000.c (iq2000_va_start): Update.
7849         (compute_frame_size): Update.
7850         * config/mt/mt.c (mt_compute_frame_size): Update.
7851         * config/mn10300/mn10300.c (expand_prologue): Update.
7852         (expand_epilogue): Update.
7853         (initial_offset): Update.
7854         (mn10300_builtin_saveregs):
7855         * config/mn10300/mn10300.md (return expander): Update.
7856         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
7857         (ia64_initial_elimination_offset): Update.
7858         (ia64_initial_elimination_offset): Update.
7859         (ia64_expand_prologue): Update.
7860         * config/m68k/m68k.md (return expander): Update.
7861         * config/rs6000/rs6000.c (rs6000_va_start): Update.
7862         (rs6000_stack_info): Update.
7863         * config/mcore/mcore.c (layout_mcore_frame): Update.
7864         (mcore_expand_prolog): Update.
7865         * config/arc/arc.c (arc_compute_frame_size): Update.
7866         * config/score/score3.c (score3_compute_frame_size): Update.
7867         * config/score/score7.c (score7_compute_frame_size): Update.
7868         * config/arm/arm.c (use_return_insn): Update.
7869         (thumb_find_work_register): Update.
7870         (arm_compute_save_reg_mask): Update.
7871         (arm_output_function_prologue): Update.
7872         (arm_output_epilogue): Update.
7873         (arm_size_return_regs): Update.
7874         (arm_get_frame_offsets): Update.
7875         (arm_expand_prologue): Update.
7876         (thumb_exit): Update.
7877         (thumb_unexpanded_epilogue): Update.
7878         (thumb1_output_function_prologue): Update.
7879         * config/pa/pa.md (return expander): Update.
7880         * config/pa/pa.c (compute_frame_size): Update.
7881         (hppa_builtin_saveregs): Update.
7882         * config/mips/mips.c (mips_va_start): Update.
7883         (mips16_build_function_stub): Update.
7884         (mips_compute_frame_info): Update.
7885         (mips_restore_gp): Update.
7886         (mips_output_function_prologue): Update.
7887         (mips_expand_prologue): Update.
7888         * config/v850/v850.c (compute_frame_size): Update.
7889         (expand_prologue): * config/mmix/mmix.c (along): update.
7890         (mmix_initial_elimination_offset): update.
7891         (mmix_reorg): update.
7892         (mmix_use_simple_return): update.
7893         (mmix_expand_prologue): update.
7894         (mmix_expand_epilogue): Update.
7895         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
7896         (emit_link_insn): Update.
7898 2008-04-08  Anatoly Sokolov <aesok@post.ru>
7900         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
7901         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
7902         instructions.
7903         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
7904         atmega103 device.
7906 2008-04-07  Jan Hubicka  <jh@suse.cz>
7908         * function.h (rtl): Rename to x_rtl.
7909         (crtl): New define.
7910         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
7911         frame_offset, stack_check_probe_note, arg_pointer_save_area,
7912         used_temp_slots avail_temp_slots, temp_slot_level,
7913         nonlocal_goto_handler_labels): Update accesstors.
7914         (rtl): New global variable.
7915         (struct function): Move some fileds to rtl_data.
7916         (get_arg_pointer_save_area): Update prototype.
7917         * builtins.c (expand_builtin_setjmp_receiver): Update call of
7918         get_arg_pointer_save_area.
7919         * expr.c (init_expr): Update
7920         * function.c (get_frame_size): Update
7921         (assign_stack_local): Update
7922         (expand_function_end): Update.
7923         (get_art_pointer_save_area): Update
7924         * function.h 
7925         * emit-rtl.c (rtl): Declare.
7926         (regno_reg_rtx): Declare.
7927         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
7928         Update.
7929         (gen_reg_rtx): Update.
7930         * varasm.c (n_deferred_constatns): Update accestor.
7931         (init_varasm_status): Do not allocate varasm_status.
7932         (force_const_mem, get_pool_size, output_constant_pool): Update.
7933         * stmt.c (force_label_rtx): Do not use x_ prefixes.
7934         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
7935         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
7936         * sparc/sparc.h (INIT_EXPANDERS): Update.
7937         * ia64/ia64.h (INIT_EXPANDERS): Update.
7939 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
7941         * reload.c (push_secondary_reload): Add missing break to for loop.
7943 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
7945         PR middle-end/PR28690
7946         * rtlanal.c: Update copyright years.
7947         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
7948         as REG_POINTER and MEM_POINTER operands.
7949         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
7950         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
7951         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
7952         * gcse.c: Update copyright years.
7953         (pre_delete): Call gen_reg_rtx_and_attrs.
7954         (hoist_code): Likewise.
7955         (build_store_vectors): Likewise.
7956         (delete_store): Likewise.
7957         * loop-invariant.c (move_invariant_reg): Likewise.
7958         Update copyright years.
7960 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
7962         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
7963         control string instead of quoted.
7965 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
7967         * doc/rtl.texi: Rewrite of subreg section.
7969 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
7971         PR/35842
7972         * config/i386/i386.c (legitimize_pic_address): Add treating
7973         of dllimport SYM_REF's.
7974         (legitimize_dllimport_symbol): Add prototype.
7976 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7978         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
7979         reference in constructor with non self-referential type.
7981 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
7983         Removal of Return with Depressed Stack Pointer support
7984         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
7985         (ECF_SP_DEPRESSED): Likewise.
7986         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
7987         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
7988         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7989         (expand_call): Do not test ECF_SP_DEPRESSED.
7990         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7991         * function.c (keep_stack_depressed): Delete.
7992         (handle_epilogue_set): Likewise.
7993         (update_epilogue_consts): Likewise.
7994         (emit_equiv_load): Likewise.
7995         (thread_prologue_and_epilogue_insns): Remove support for Return with
7996         Depressed Stack Pointer.
7997         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
7999 2008-04-06  Richard Guenther  <rguenther@suse.de>
8001         PR tree-optimization/35400
8002         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
8003         information from SSA_NAMEs.
8005 2008-04-06  Anatoly Sokolov <aesok@post.ru>
8007         * config/avr/avr.h (avr_mega_p): Remove declaration.
8008         (AVR_MEGA): Remove macro.
8009         * config/avr/avr.c (avr_mega_p): Remove variable.
8010         (avr_override_options): Remove inicializion of avr_mega_p.
8011         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
8012         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
8013         (avr_jump_mode): (Ditto.).
8014         (avr_output_progmem_section_asm_op): (Ditto.).
8015         (avr_asm_init_sections): (Ditto.).
8016         (avr_asm_init_sections): (Ditto.).
8017         (avr_rtx_costs): (Ditto.).
8018         * config/avr/avr.md: (Ditto.).
8019         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
8020         '__AVR_MEGA__'.
8022 2008-04-06  Richard Guenther  <rguenther@suse.de>
8024         PR tree-optimization/35842
8025         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
8026         is_gimple_invariant_address.
8028 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
8030         * gcc.c (default_compilers): Sync Fortran extensions list with
8031         that in fortran/lang-specs.h.
8032         * doc/invoke.texi: Likewise.
8033         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
8034         * dwarf2out.c (gen_compile_unit_die): Likewise.
8036 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
8038         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
8040 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
8042         PR target/12329
8043         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
8044         attribute is used for nested functions.
8046 2008-04-05  Jan Hubicka  <jh@suse.cz>
8048         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
8050         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
8051         letter argument.
8052         (dump_files): Update.
8053         (enable_rtl_dump_file): Do not accept letter argument.
8054         * tree-pass.h (dump_file_info): Remove letter argument.
8055         * toplev.c (decode_d_option): Update -da handling.
8056         * toplev.h (enable_rtl_dump_file): Update prototype.
8057         * passes.c (register_one_dump_file): Do not accept IPA argument; work
8058         it out based on pass type.
8059         (register_dump_files_1): Likewise.
8060         (init_optimization_passes): Update register_one_dump_file calls.
8061         (execute_one_pass): Sanity check that IPA passes are called at IPA
8062         level and RTL passes at RTL level.
8063         (execute_pass_list): IPA pass can not be after or subpass of
8064         GIMPLE/RTL pass.
8065         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
8066         disallov RTL subpasses of IPA subpasses.
8068 2008-04-05  Ben Elliston  <bje@au.ibm.com>
8070         * tree-cfg.c (need_fake_edge_p): Return false for calls to
8071         builtins that return exactly once and do not throw. Cache call to
8072         call_expr_flags.
8074 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
8076         PR rtl-optimization/34916
8077         PR middle-end/35519
8078         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
8079         between instruction pairs.
8081 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
8083         * doc/invoke.texi: Document -mbitops for SH.
8084         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
8085         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
8086         * config/sh/sh.c (print_operand): Add %t operand code.
8087         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
8088         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
8089         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
8090         (extendqihi2): Likewise.
8091         (movqi_i): Likewise.
8092         (insv): Use bset, bclr and bst instructions for SH2A if possible.
8093         (extv): Use bld instruction for SH2A if possible.
8094         (extzv): Likewise.
8095         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
8096         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
8097         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
8098         (bset.b, bclr.b): Define peepholes.
8099         * config/sh/sh.opt (mbitops): New option.
8101 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
8103         PR target/35620
8104         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
8105         and view convert expression.
8107 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
8109         PR target/35364
8110         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
8112 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
8114         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
8116         * config/i386/cpuid.h (bit_AES): New.
8117         (bit_PCLMUL): Likewise.
8119         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
8120         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
8121         SSE2 if AES or PCLMUL is enabled.
8122         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
8123         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
8124         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
8125         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
8126         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
8127         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
8128         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
8129         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
8130         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
8131         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
8132         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
8133         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
8134         __builtin_ia32_aeskeygenassist128 and
8135         __builtin_ia32_pclmulqdq128.
8136         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
8137         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
8138         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
8140         * config/i386/i386.h (TARGET_AES): New.
8141         (TARGET_PCLMUL): Likewise.
8142         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
8144         * config/i386/i386.md (UNSPEC_AESENC): New.
8145         (UNSPEC_AESENCLAST): Likewise.
8146         (UNSPEC_AESDEC): Likewise.
8147         (UNSPEC_AESDECLAST): Likewise.
8148         (UNSPEC_AESIMC): Likewise.
8149         (UNSPEC_AESKEYGENASSIST): Likewise.
8150         (UNSPEC_PCLMUL): Likewise.
8152         * config/i386/i386.opt (maes): New.
8153         (mpclmul): Likewise.
8155         * config/i386/sse.md (aesenc): New pattern.
8156         (aesenclast): Likewise.
8157         (aesdec): Likewise.
8158         (aesdeclast): Likewise.
8159         (aesimc): Likewise.
8160         (aeskeygenassist): Likewise.
8161         (pclmulqdq): Likewise.
8163         * config/i386/wmmintrin.h: New.
8165         * doc/extend.texi: Document AES and PCLMUL built-in function.
8167         * doc/invoke.texi: Document -maes and -mpclmul.
8169 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
8171         * function.c (free_after_parsing): Replace with
8172         cxx_push_function_context from C++ front-end.
8173         (allocate_struct_function): Don't call langhook.
8174         * langhooks.h (struct lang_hooks_for_functions): Delete.
8175         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
8176         member "function".
8177         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
8178         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
8179         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
8180         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
8181         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
8182         remove LANG_HOOKS_FUNCTION_INITIALIZER.
8183         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
8185         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
8186         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
8187         
8188 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
8190         PR c/35440
8191         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
8192         for all types.
8194 2008-04-04  Richard Guenther  <rguenther@suse.de>
8196         PR middle-end/35823
8197         * fold-const.c (optimize_minmax_comparison): Use the correct
8198         type for the constant in the simplified comparison.
8200 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
8202         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
8203         Pass L2 size as "--param l2-cache-size" to the compiler.
8204         (decode_l2_cache): New function to decode L2 cache parameters using
8205         0x8000006 extended cpuid function.
8206         (detect_caches_amd): Determine parameters of L2 cache using
8207         decode_l2_caches function.
8208         (decode_caches_intel): Decode L2 cache parameters.
8209         (detect_caches_intel): Determine L2 cache parameters using
8210         decode_caches_intel and decode_l2_caches functions.
8212 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
8214         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
8215         secondary input reload for subword loads from the constant pool.
8217 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
8219         PR target/35713
8220         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
8221           constants of the appropriate size for runtime calculations.
8223         PR c/35712
8224         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
8225           decimal-float literal constant zero.
8227 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
8229         PR c/35738
8230         * c-parser.c (c_parser_omp_atomic): Call
8231         default_function_array_conversion on the RHS.
8233         PR middle-end/35818
8234         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
8235         call is_variable_sized if decl has incomplete type.
8237 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
8239         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
8241 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
8243         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
8244         iterators.
8245         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
8246         (sgt<u>): Merge sgt and sgtu into new expander.
8247         (sgt, sgtu): Remove expanders.
8248         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
8249         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
8250         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
8251         *sgtu_<mode>_mips16 into new pattern.
8252         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
8253         (sge<u>): Merge sge and sgeu into new expander.
8254         (sge, sgeu): Remove expanders.
8255         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
8256         new pattern.
8257         (*sge_<mode>, second *sge_<mode>): Remove patterns.
8258         (slt<u>): Merge slt and sltu into new expander.
8259         (slt, sltu): Remove expanders.
8260         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
8261         (*slt_<mode>, *sltu_<mode>): Remove patterns.
8262         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
8263         *sltu_<mode>_mips16 into new pattern.
8264         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
8265         (sle<u>): Merge sle and sleu into new expander.
8266         (sle, sleu): Remove expanders.
8267         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
8268         (*sle_<mode>, *sleu_<mode>): Remove patterns.
8269         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
8270         *sleu_<mode>_mips16 into new pattern.
8271         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
8273 2008-04-03  Jan Hubicka  <jh@suse.cz>
8275         PR tree-optimization/35795
8276         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
8277         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
8278         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
8279         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
8280         * score/score3.c (score3_output_mi_thunk): Likewise.
8281         * score/score7.c (score7_output_mi_thunk): Likewise.
8282         * mips/mips.c (mips_output_mi_thunk): Likewise.
8284 2008-04-03  Richard Guenther  <rguenther@suse.de>
8286         * tree-vrp.c (extract_range_from_unary_expr): Handle all
8287         conversions.  Simplify code.
8289 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
8291         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
8293 2008-04-03  Tom Tromey  <tromey@redhat.com>
8294             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8296         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
8297         * config/bfin/t-bfin-linux (generated_files): Add
8298         linux-sysroot-suffix.h.
8299         * doc/install.texi (Prerequisites): Require make 3.80.
8300         * doc/sourcebuild.texi (Front End Directory): Document new
8301         variable.
8302         * Makefile.in (generated_files): New variable.
8303         (ALL_HOST_OBJS): New variable.
8304         ($(ALL_HOST_OBJS)): New target.
8306 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
8308         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
8309         (remap_block): Call id->transform_lang_insert_block instead
8310         of langhook.
8311         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
8312         Set id.transform_lang_insert_block to NULL.
8313         (clone_body): Move to cp/optimize.c
8314         * tree-inline.h (struct copy_body_data): Change
8315         transform_lang_insert_block to function pointer.
8316         (copy_generic_body, copy_decl_no_change): Export.
8317         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
8318         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
8319         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
8321         * c-tree.h (insert_block): Kill.
8322         * c-decl.c (insert_block): Kill.
8324 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
8326         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
8327         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
8328         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
8329         argument.
8330         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
8331         argument, call {push,pop}_function_context from here.
8332         * c-parser.c: Use c_{push,pop}_function_context.
8334         * function.c (push_function_context_to): Move meat ...
8335         (push_function_context): ... here.  Simplify.
8336         * function.c (pop_function_context_from): Move meat ...
8337         (pop_function_context): ... here.  Simplify.
8338         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
8339         leave_nested).
8340         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
8341         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
8342         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
8343         * tree.h (push_function_context_to, pop_function_context_from): Remove.
8345 2008-04-03  Ben Elliston  <bje@au.ibm.com>
8347         * expmed.c (extract_force_align_mem_bit_field): Remove.
8349 2008-04-03  Richard Guenther  <rguenther@suse.de>
8351         PR middle-end/35800
8352         * expr.h (try_casesi): Adjust prototype.
8353         * expr.c (try_casesi): Take fallback label as extra parameter.
8354         Use that for gen_casesi if default_label is NULL.
8355         * stmt.c (expand_case): Pass fallback label to try_casesi,
8356         make sure to fill gaps with a fallback label if default_label
8357         is not present.
8359 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
8361         PR target/35801
8362         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
8364 2008-04-03  Ben Elliston  <bje@au.ibm.com>
8366         * expmed.c (extract_split_bit_field): Remove if (0) code.
8367         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
8368         (do_ds_constraint): Likewise.
8370 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
8372         * doc/cppopts.texi (-dU): Document.
8373         * c-common.h (flag_dump_macros): Update comment.
8374         * c-opts.c (handle_OPT_d): Handle -dU.
8375         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
8376         dump_queued_macros, cb_used_define, cb_used_undef): New.
8377         (init_pp_output): Handle -dU.
8378         (cb_line_change): Call dump_queued_macros.
8379         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
8381 2008-04-02  Anatoly Sokolov <aesok@post.ru>
8383         * config/avr/predicates.md (io_address_operand): New predicate. 
8384         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
8385         * config/avr/avr.c (avr_io_address_p): Remove function.
8386         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
8387         'avr_io_address_p' function.
8388         (out_movhi_r_mr): (Ditto.).
8389         (out_movqi_mr_r): (Ditto.).
8390         (out_movhi_mr_r): (Ditto.).
8391         (avr_address_cost): (Ditto.).
8393 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
8395         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
8396         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
8397         in 32bit mode when XMM registers are available to avoid store
8398         forwarding stalls.
8399         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
8400         corresponding post-reload splitters.
8402 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8404         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
8405         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
8406         __builtin_ia32_roundss.
8407         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
8408         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
8409         __builtin_ia32_roundss.
8410         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
8411         IX86_BUILTIN_SHUFPD here.
8413 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
8415         * config/i386/i386.md (plogic): New.
8416         (plogicprefix): Likewise.
8418         * config/i386/mmx.md (mmx_<code><mode>3): New.
8419         (mmx_and<mode>3): Removed.
8420         (mmx_ior<mode>3): Likewise.
8421         (mmx_xor<mode>3): Likewise.
8423         * config/i386/sse.md (<code><mode>3): New.
8424         (*<code><mode>3): Likewise.
8425         (*<code><mode>3): Likewise.
8426         (<code><mode>3): Likewise.
8427         (*sse_<code><mode>3): Likewise.
8428         (*sse2_<code><mode>3): Likewise.
8429         (<code>tf3): Likewise.
8430         (*<code>tf3): Likewise.
8431         (and<mode>3): Likewise.
8432         (*and<mode>3): Likewise.
8433         (ior<mode>3): Removed.
8434         (*ior<mode>3): Likewise.
8435         (xor<mode>3): Likewise.
8436         (*xor<mode>3): Likewise.
8437         (*and<mode>3): Likewise.
8438         (*ior<mode>3): Likewise.
8439         (*xor<mode>3): Likewise.
8440         (and<mode>3): Likewise.
8441         (*sse_and<mode>3): Likewise.
8442         (*sse2_and<mode>3): Likewise.
8443         (andtf3): Likewise.
8444         (*andtf3): Likewise.
8445         (ior<mode>3): Likewise.
8446         (*sse_ior<mode>3): Likewise.
8447         (*sse2_ior<mode>3): Likewise.
8448         (iortf3): Likewise.
8449         (*iortf3): Likewise.
8450         (xor<mode>3): Likewise.
8451         (*sse_xor<mode>3): Likewise.
8452         (*sse2_xor<mode>3): Likewise.
8453         (xortf3): Likewise.
8454         (*xortf3): Likewise.
8456 2008-04-02  Richard Guenther  <rguenther@suse.de>
8458         PR tree-optimization/14495
8459         PR tree-optimization/34793
8460         * tree-vrp.c (struct switch_update): New structure.
8461         (to_remove_edges, to_update_switch_stmts): New VECs.
8462         (simplify_switch_using_ranges): New function.  Remove not taken
8463         case labels and edges.
8464         (simplify_stmt_using_ranges): Call it.
8465         (identify_jump_threads): Mark edges we have queued for removal
8466         so we don't thread them.
8467         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
8468         case label vector.
8469         * tree-cfg.c (group_case_labels): Deal with missing default label.
8470         (tree_verify_flow_info): Allow missing default label.
8471         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
8472         (emit_case_nodes): Likewise.
8473         (expand_case): Do not rely on the default label to be present.
8474         * expr.c (try_casesi): Deal with NULL default_label.
8475         (do_tablejump): Likewise.
8477 2008-04-02  Richard Guenther  <rguenther@suse.de>
8479         PR tree-optimization/14495
8480         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
8481         SWITCH_EXPR here ...
8482         (vrp_visit_switch_stmt): ... but here (new function).
8483         (find_case_label_index): New helper function.
8484         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
8486 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
8488         * fwprop.c: Fix ISO-C99ism.
8490 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
8492         PR bootstrap/35752
8493         * Makefile.in (objdir): Set it here.
8494         * configure.ac: Not here.  Find dynamic linker characteristics.
8495         * exec-tool.in: Use them.
8496         * aclocal.m4: Regenerate.
8497         * configure: Regenerate.
8499 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
8501         * expr.c (expand_var): Delete it.
8502         * expr.h (expand_var): Delete prototype.
8503         * function.c (expand_function_start): Use expand_decl instead.
8504         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
8505         langhook.
8507 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
8509         PR rtl-optimization/35542
8510         * fwprop.c (forward_propagate_and_simplify): Replace
8511         loc_reg_mentioned_in_p with reg_mentioned_p.
8513 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
8515         PR rtl-optimization/35281
8516         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
8517         (propagate_rtx_1): Handle PR_HANDLE_MEM.
8518         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
8519         (varying_mem_p): Move above propagate_rtx.
8520         (all_uses_available_at): Do not check MEMs.
8522 2008-04-02  Rafael Espindola  <espindola@google.com>
8524         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
8525         (register_edge_assert_for_2): Split the cond argument.
8526         (register_edge_assert_for_1): Adjust for the change in
8527         register_edge_assert_for_2.
8528         (register_edge_assert_for): Split the cond argument.
8529         (find_switch_asserts): Adjust for the change in
8530         register_edge_assert_for.
8532 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
8534         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
8535         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
8536         offsets for 64-bit mingw.
8537         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
8538         abi for x86_64-pc-mingw.
8540 2008-04-02  Richard Guenther  <rguenther@suse.de>
8542         * tree-vrp.c (extract_range_from_assert): Make sure to not
8543         produce range min/max with TREE_OVERFOW set.
8544         If merging a anti-range and a range keep the anti-range if
8545         the range covers all values of the type.
8546         (register_edge_assert_for_2): Only allow sign-changing
8547         conversions in detecting canonical range checks.  Also
8548         register an assert for the unsigned name if useful.
8550         PR tree-optimization/35787
8551         * tree-vrp.c (vrp_val_max): New function.
8552         (vrp_val_min): Likewise.
8553         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
8554         (vrp_val_is_min): Likewise.
8555         (supports_overflow_infinity): Use vrp_val_{min,max}.
8556         (negative_overflow_infinity): Likewise.
8557         (positive_overflow_infinity): Likewise.
8558         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
8559         (is_positive_overflow_infinity): Likewise.
8560         (is_overflow_infinity): Likewise.
8561         (avoid_overflow_infinity): Use vrp_val_{min,max} and
8562         vrp_val_is_{min,max}.
8563         (set_and_canonicalize_value_range): Canonicalize anti-ranges
8564         to ranges if possible.  Avoid empty ranges.
8566 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8568         PR middle-end/35705
8569         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
8570         the expression is a function address.
8572 2008-04-01  George Helffrich  <george@gcc.gnu.org>
8574         PR fortran/35154, fortran/23057
8575         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
8576         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
8577         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
8578         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
8579         in common.
8580         (dbxout_syms): Check for COMMON-based symbol and wrap in
8581         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
8582         in bracket for efficiency.
8584         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
8585         using DW_TAG_common_block + member offset.
8586         (add_pubname_string): New function.
8587         (dw_expand_expr): New function to find block name and offset for
8588         COMMON var.
8589         (common_check): New function to check whether symbol in Fortran COMMON.
8590         (gen_variable_die): If COMMON, use DW_TAG_common_block.
8592 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
8594         PR c/35436
8595         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
8597 2008-04-02  Ben Elliston  <bje@au.ibm.com>
8599         * config/v850/v850.md (casesi): Remove if (0) code.
8600         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
8601         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
8603 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
8605         * config/i386/i386.md (rex64suffix): New mode attribute.
8606         (floathi<mode>2): Disable expander for SSE math.
8607         (*floathi<mode>2_1): New insn insn_and_split pattern.
8608         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
8609         corresponding post-reload splitters.
8610         (*floathi<mode>2_i387): New macroized insn pattern.
8611         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
8612         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
8613         insn_and_split pattern.
8614         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
8615         New macroized instruction patterns and corresponding post-reload
8616         splitters.
8617         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
8618         and corresponding post-reload splitters.
8619         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
8620         New macroized instruction patterns.
8621         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
8622         macroized instruction patterns and corresponding post-reload splitters.
8623         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
8624         corresponding post-reload splitters.
8625         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
8626         New macroized instruction patterns.
8627         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
8628         corresponding post-reload splitters.
8629         (*floatsi<mode>2_i387): New macroized instruction patterns.
8631 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
8633         * config/i386/i386.md (smaxmin): New.
8634         (umaxmin): Likewise.
8635         (maxminiprefix): Likewise.
8636         (maxminfprefix): Likewise.
8637         (<code><mode>3): Likewise.
8638         (smin<mode>3): Removed.
8639         (smax<mode>3): Likewise.
8641         * config/i386/mmx.md (mmx_<code>v2sf3): New.
8642         (mmx_<code>v4hi3): Likewise.
8643         (mmx_<code>v8qi3): Likewise.
8644         (mmx_smaxv2sf3): Removed.
8645         (mmx_sminv2sf3): Likewise.
8646         (mmx_umaxv8qi3): Likewise.
8647         (mmx_smaxv4hi3): Likewise.
8648         (mmx_uminv8qi3): Likewise.
8649         (mmx_sminv4hi3): Likewise.
8651         * config/i386/sse.md (<addsub><mode>3): New.
8652         (*<addsub><mode>3): Likewise.
8653         (<sse>_vm<addsub><mode>3): Likewise.
8654         (<maxmin><mode>3): Likewise.
8655         (*<maxmin><mode>3_finite): Likewise.
8656         (*<maxmin><mode>3): Likewise.
8657         (<sse>_vm<maxmin><mode>3): Likewise.
8658         (sse3_h<addsub>v4sf3): Likewise.
8659         (sse3_h<addsub>v2df3): Likewise.
8660         (<maxmin>v16qi3): Likewise.
8661         (*<maxmin>v16qi3): Likewise.
8662         (<maxmin>v8hi3): Likewise.
8663         (*<maxmin>v8hi3): Likewise.
8664         (*sse4_1_<maxmin><mode>3): Likewise.
8665         (*sse4_1_<maxmin><mode>3): Likewise.
8666         (add<mode>3): Removed.
8667         (*add<mode>3): Likewise.
8668         (<sse>_vmadd<mode>3): Likewise.
8669         (sub<mode>3): Likewise.
8670         (*sub<mode>3): Likewise.
8671         (<sse>_vmsub<mode>3): Likewise.
8672         (smin<mode>3): Likewise.
8673         (*smin<mode>3_finite): Likewise.
8674         (*smin<mode>3): Likewise.
8675         (<sse>_vmsmin<mode>3): Likewise.
8676         (smax<mode>3): Likewise.
8677         (*smax<mode>3_finite): Likewise.
8678         (*smax<mode>3): Likewise.
8679         (<sse>_vmsmax<mode>3): Likewise.
8680         (sse3_haddv4sf3): Likewise.
8681         (sse3_haddv2df3): Likewise.
8682         (sse3_hsubv4sf3): Likewise.
8683         (sse3_hsubv2df3): Likewise.
8684         (umaxv16qi3): Likewise.
8685         (*umaxv16qi3): Likewise.
8686         (smaxv8hi3): Likewise.
8687         (*smaxv8hi3): Likewise.
8688         (*sse4_1_smax<mode>3): Likewise.
8689         (*sse4_1_umax<mode>3): Likewise.
8690         (uminv16qi3): Likewise.
8691         (*uminv16qi3): Likewise.
8692         (sminv8hi3): Likewise.
8693         (*sminv8hi3): Likewise.
8694         (*sse4_1_smin<mode>3): Likewise.
8695         (*sse4_1_umin<mode>3): Likewise.
8697 2008-04-01  Rafael Espindola  <espindola@google.com>
8699         * tree-cfg.c (verify_expr): remove in_phi.
8700         (verify_stmt): Don't call walk_tree with verify_expr. Use
8701         is_gimple_min_invariant instead of is_gimple_val.
8703 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
8705         * doc/include/gpl_v3.texi: Update for manpage generation.
8706         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
8707         gpl.texi.
8708         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
8709         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
8710         gpl_v3.texi instead of gpl.texi.
8711         (gpl.pod): New.
8713 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
8715         PR pch/13675
8716         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
8718 2008-04-01  Rafael Espindola  <espindola@google.com>
8720         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
8721         (extract_code_and_val_from_cond): Use
8722         extract_code_and_val_from_cond_with_ops.
8724 2008-04-01  Jan Hubicka  <jh@suse.cz>
8726         * function.c (free_after_compilation): Free epilogue_delay_list.
8727         (prepare_function_start): Assert that previous compilation was freed.
8729 2008-04-01  Jan Hubicka  <jh@suse.cz>
8730             Jim Wilson  <wilson@tuliptree.org>
8731             Andreas Tobler <andreast@gcc.gnu.org>
8733         PR middle-end/35781
8734         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
8735         rtl.emit instead cfun->emit.
8736         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
8737         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
8739 2008-04-01  Ben Elliston  <bje@au.ibm.com>
8741         * doc/c-tree.texi (Function Basics): Fix grammatical error.
8743 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
8745         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
8746         New options
8747         (fprofile-use): Add var flag_profile_use
8748         * coverage.c (coverage_begin_output): Do not open a gcno file for
8749         output only if -ftest-coverage is set.
8750         Do not add getpwd() to gcda file path.
8751         (build_gcov_info): Check the new flag
8752         flag_profile_datafile_relative_path.
8753         (coverage_init): Use profile_data_prefix.
8754         Read profile counter only if flag_profile_use is set.
8755         * opts.c (common_handle_option): New option fprofile-use=,
8756         fprofile-dir=, fprofile-generate=.
8757         * toplev.c (profile_data_prefix): New variable definition.
8758         * toplev.h (profile_data_prefix): New declaration.
8759         * doc/invoke.tex (Option Summary, Optimization Options):
8760         Add new options.
8762 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
8764         * varasm.c (output_constant_pool_1): In LABEL_REF check,
8765         use tmp consistently.
8767         PR target/35695
8768         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
8769         * config/ia64/ia64.c (rtx_needs_barrier): Handle
8770         UNSPEC_FR_RECIP_APPROX_RES.
8771         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
8773 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
8775         PR c/35750
8776         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
8778 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8780         PR middle-end/30186
8781         * fold-const.c (fold_indirect_ref_1): Support accessing non first
8782         element of the vector via a pointer.
8784 2008-03-31  Ian Lance Taylor  <iant@google.com>
8786         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
8788 2008-03-31  Jan Hubicka  <jh@suse.cz>
8790         * builtins.c (expand_builtin_setjmp_receiver): Update call of
8791         get_arg_pointer_save_area.
8792         * expr.c (init_expr): Just clear out rtl.expr.
8793         * function.c (free_after_compilation): Clear out whole RTL structure.
8794         (get_func_frame_size): Merge into ...
8795         (get_frame_size): ... this one.
8796         (assign_stack_local_1): Merge into ...
8797         (assign_stack_local): ... this one.
8798         (expand_function_end): Update call of get_arg_pointer_save_area.
8799         (get_art_pointer_save_area): Remove cfun argument.
8800         * function.h (emit_status): regno_pointer_align does not need length
8801         attribute. Move x_regno_reg_rtx to ...
8802         (regno_reg_rtx): ... new global array.
8803         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
8804         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
8805         apply_args_value, forced_labels, stack_pointer_delta):
8806         Update accestors.
8807         (struct varasm_status): Move here from varasm.c
8808         (struct rtl_data): New. Move here some fields from struct function.
8809         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
8810         frame_offset, stack_check_probe_note, arg_pointer_save_area,
8811         used_temp_slots avail_temp_slots, temp_slot_level,
8812         nonlocal_goto_handler_labels): Update accesstors.
8813         (rtl): New global variable.
8814         (struct function): Move some fileds to rtl_data.
8815         (get_arg_pointer_save_area): Update prototype.
8816         * emit-rtl.c (rtl): Declare.
8817         (regno_reg_rtx): Declare.
8818         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
8819         Update.
8820         (gen_reg_rtx): Update.
8821         (init_virtual_regs): Do not tate emit_status argument.
8822         (init_emit): Do not allocate emit.
8823         * varasm.c (varasm_statuc): Move to function.h.
8824         (n_deferred_constatns): Update accestor.
8825         (init_varasm_status): Do not allocate varasm_status.
8826         (force_const_mem, get_pool_size, output_constant_pool): Update.
8827         * stmt.c (force_label_rtx): Do not use x_ prefixes.
8828         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
8830 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
8832         PR rtl-optimization/35729
8833         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
8834         references.
8836 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
8838         PR target/32000
8839         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
8840         load/store if memory is unaligned.
8841         (*movti_rex64): Likewise.
8843         * config/i386/predicates.md (misaligned_operand): New.
8845 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
8847         PR tree-opt/35431
8848         * tree-ssa-phiopt.c (conditional_replacement): Return early for
8849         complex types.
8851 2008-03-31  Jan Beulich  <jbeulich@novell.com>
8853         * config/ia64/constraints.md: Add 'j' constraint.
8854         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
8855         (movdi_internal): Likewise.
8857 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
8859         PR c/35748
8860         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
8862 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
8864         PR target/35757
8865         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
8866         proper error message for the third argument on blendpd and
8867         blendps.
8869         * config/i386/sse.md (blendbits): New.
8870         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
8872 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
8874         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
8876 2008-03-30  Richard Guenther  <rguenther@suse.de>
8878         PR middle-end/31023
8879         * fold-const.c (fold_sign_changed_comparison): Do leave
8880         conversions to base-types alone.
8882 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8884         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
8885         the link register if one altivec register is be saved.
8887 2008-03-30  Ben Elliston  <bje@au.ibm.com>
8889         * final.c (final_scan_insn): Remove if (0) code.
8891 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
8893         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
8895 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
8897         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
8898         of V4SFmode to ix86_binary_operator_ok.
8900 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
8902         * config/i386/i386.c (override_options): Initialize
8903         ix86_veclib_handler to ix86_veclibabi_svml when
8904         -mveclibabi=svml is used.
8905         (ix86_veclibabi_svml): New function for SVML ABI style
8906         vectorization support.
8907         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
8909 2008-03-28  Rafael Espindola  <espindola@google.com>
8911         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
8912         (tree_binary_nonnegative_warnv_p): Make it public.
8913         (tree_single_nonnegative_warnv_p): Make it public.
8914         (tree_invalid_nonnegative_warnv_p): Make it public.
8915         (tree_unary_nonzero_warnv_p): Make it public.
8916         (tree_binary_nonzero_warnv_p): Make it public
8917         (tree_single_nonzero_warnv_p): Make it public.
8918         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
8919         (extract_range_from_binary_expr): Split the expr argument.
8920         (extract_range_from_unary_expr): Split the expr argument.
8921         (extract_range_from_comparison): Split the expr argument.
8922         (extract_range_from_expr): Use the new aux functions.
8923         (vrp_evaluate_conditional_warnv): Use
8924         vrp_evaluate_conditional_warnv_with_ops.
8925         * tree.h (tree_unary_nonzero_warnv_p): Declare.
8926         (tree_binary_nonzero_warnv_p): Declare.
8927         (tree_single_nonzero_warnv_p): Declare.
8928         (tree_expr_nonzero_warnv_p): Declare.
8929         (tree_unary_nonnegative_warnv_p): Declare.
8930         (tree_binary_nonnegative_warnv_p): Declare.
8931         (tree_single_nonnegative_warnv_p): Declare.
8932         (tree_invalid_nonnegative_warnv_p): Declare.
8934 2008-03-28  Richard Guenther  <rguenther@suse.de>
8936         PR tree-optimization/30317
8937         PR tree-optimization/30911
8938         PR tree-optimization/34793
8939         * tree-vrp.c (set_and_canonicalize_value_range): New function.
8940         (struct assert_locus_d): New member EXPR.
8941         (register_new_assert_for): Add EXPR parameter to support
8942         ASSERT_EXPR <name, expr OP limit>.
8943         (register_edge_assert_for_1): Adjust callers.
8944         (find_assert_locations): Likewise.
8945         (process_assert_insertions_for): Build condition from expression.
8946         (extract_range_from_assert): Handle ASSERT_EXPRs
8947         of the form ASSERT_EXPR <name, expr OP limit>.
8948         (register_edge_assert_for_2): New helper registering
8949         asserts for comparisons.  Recognize range tests of the form
8950         (unsigned)i - CST1 OP CST2.
8951         (register_edge_assert_for_1): Use it.
8952         (register_edge_assert_for): Likewise.
8953         (needs_overflow_infinity): Integer sub-types
8954         do not need overflow infinities.
8955         (vrp_val_is_max): The extreme values of integer sub-types
8956         are those of the base type.
8957         (vrp_val_is_min): Likewise.
8958         * tree.def (ASSERT_EXPR): Document extra allowed conditional
8959         expressions.
8961 2008-03-28  Nick Clifton  <nickc@redhat.com>
8963         PR target/31110
8964         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
8965         Return GENERAL_REGS for stack adjustment reloads.
8967 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8969         PR target/31334
8970         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
8971         const_vector when all the vectors are constant.
8973 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
8975         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
8976         comparisons.
8977         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
8978         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
8979         (scc_sf): New.
8980         (s<code>_sf): Use new scc_sf attribute for opcode names.
8982 2008-03-27  Tom Tromey  <tromey@redhat.com>
8984         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
8985         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
8986         config/spu/t-spu-elf, config/i386/t-interix,
8987         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
8988         config/i386/x-darwin, config/i386/x-mingw32,
8989         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
8990         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
8991         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
8992         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
8993         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
8994         config/rs6000/x-darwin, config/rs6000/t-rs6000,
8995         config/score/t-score-elf, config/arm/t-strongarm-pe,
8996         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
8997         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
8998         Revert automatic dependency patch.
9000 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
9002         PR target/35657
9003         * config/i386/i386.c (ix86_function_arg_boundary): Align
9004         decimal floating point to its natural boundary.
9006 2008-03-27  Richard Guenther  <rguenther@suse.de>
9008         PR middle-end/35716
9009         * fold-const.c (fold_comparison): Restrict distinct decl
9010         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
9011         solely rely on operand_equal_p.
9013 2008-03-27  Richard Guenther  <rguenther@suse.de>
9015         PR c/32511
9016         * c-common.c (handle_weak_attribute): Reject combination of
9017         weak and inline.
9019 2008-03-27  Richard Guenther  <rguenther@suse.de>
9021         PR tree-optimization/32810
9022         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
9023         conversions from DECL_INITIAL.
9024         (fold_const_aggregate_ref): Likewise from constructor elements.
9026 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
9028         * tree-affine.h (aff_combination_expand): Declare.
9029         (get_inner_reference_aff): Likewise.
9030         * tree-affine.c (aff_combination_expand): Split out from
9031         tree_to_aff_combination_expand.
9032         (get_inner_reference_aff): New function.
9033         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
9034         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
9035         (struct lim_aux_data): sm_done field removed.
9036         (mem_ref_loc_p, mem_ref_locs_p): New types.
9037         (struct mem_ref): Added id, stored, accesses_in_loop,
9038         indep_loop, dep_loop, indep_ref, dep_ref fields.
9039         Removed is_stored, locs and next fields.
9040         (memory_accesses): New variable.
9041         (movement_possibility): Do not allow moving statements
9042         that store to memory.
9043         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
9044         New functions.
9045         (determine_max_movement): For statements with memory references,
9046         find the outermost loop in that the reference is independent.
9047         (move_computations_stmt): Mark the virtual operands for renaming.
9048         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
9049         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
9050         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
9051         add_vop_ref_mapping, create_vop_ref_mapping_loop,
9052         create_vop_ref_mapping, analyze_memory_references,
9053         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
9054         get_all_locs_in_loop, ref_always_accessed_p,
9055         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
9056         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
9057         store_motion_loop, store_motion): New functions.
9058         (struct vop_to_refs_elt): New type.
9059         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
9060         memref_hash, memref_eq, hoist_memory_references): Rewritten.
9061         (schedule_sm): Replaced by...
9062         (execute_sm): ... this.
9063         (determine_lsm_ref, hoist_memory_references,
9064         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
9065         find_more_ref_vops, free_mem_ref, free_mem_refs,
9066         determine_lsm_loop, determine_lsm): Removed.
9067         (tree_ssa_lim_finalize): Free data structures used by store motion.
9068         (tree_ssa_lim): Call analyze_memory_references.  Use
9069         store_motion instead of determine_lsm.
9071 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
9073         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
9074         rename tmake_file to m68hc11/t-m68hc11.
9075         (mcore): Set inhibit_libc to true.
9076         * config.host (alpha*-dec-*vms*): Set extra_programs.
9077         (interix3*): Don't use host_xmake_file.
9078         * configure.ac: Let config.gcc override inhibit_libc.
9079         * configure: Regenerate.
9081         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
9082         * config/t-openbsd-thread: Remove commented out lines.
9083         
9084         * config/x-interix: Remove.
9086         * config/m68hc11/t-m68hc11-gas: Rename to...
9087         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
9089         * config/mcore/t-mcore: Remove T_CFLAGS.
9090         * config/mcore/t-mcore-pe: Likewise.
9092 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
9094         * configure.ac: Replace custom __GNU_SOURCE test with
9095         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
9096         * aclocal.m4: Regenerate.
9097         * configure: Regenerate.
9098         * config.in: Regenerate.
9100 2008-03-27  Richard Guenther  <rguenther@suse.de>
9102         * fold-const.c (target.h): Include.
9103         (fold_comparison): Fold comparison of addresses of decls
9104         that bind locally or of constants.  Consolidate address folding code.
9105         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
9106         results from fold_binary_to_constant.
9107         (compare_values_warnv): Likewise.
9109 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
9111         PR middle-end/35429
9112         * fold-const.c (fold_truthop): Check for integeral types when folding
9113         a == 0 && b == 0 and a != 0 || b != 0 .
9115 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
9117         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
9119 2008-03-26  Andreas Schwab  <schwab@suse.de>
9121         * doc/invoke.texi: Fix use of @item vs. @itemx.
9123 2008-03-26  Tom Tromey  <tromey@redhat.com>
9125         * Makefile.in (build/gensupport.o, build/print-rtl.o,
9126         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
9127         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
9128         build/gencodes.o, build/genconditions.o, build/genconfig.o,
9129         build/genconstants.o, build/genemit.o, build/genextract.o,
9130         build/genflags.o, build/genmddeps.o, build/genopinit.o,
9131         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
9132         options.h.
9134 2008-03-26  Richard Guenther  <rguenther@suse.de>
9136         Revert
9137         2008-03-26  Richard Guenther  <rguenther@suse.de>
9139         * fold-const.c (target.h): Include.
9140         (fold_comparison): Fold comparison of addresses of two decls
9141         that bind locally.  Consolidate address folding code.
9143 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9145         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
9146         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
9147         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
9148         dconstsqrt2, dconstthird, dconste and/or dconst10.
9149         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
9150         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
9151         dconstsqrt2, dconste): Delete.
9152         (init_emit_once): Likewise.  Simplify initializing dconstm1.
9153         Constify variable.
9154         * real.c (get_real_const): New.
9155         * real.h (dconst3, dconst10, dconstm2, dconstthird,
9156         dconstsqrt2, dconste): Delete.
9157         (real_value_const, get_real_const): New.
9159 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
9161         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
9163         * config/i386/i386.c (ix86_function_arg_boundary): Check
9164         BIGGEST_ALIGNMENT instead of 128.
9165         (setup_incoming_varargs_64): Likewise.
9167 2008-03-26  Tom Tromey  <tromey@redhat.com>
9169         * Makefile.in (DEPFILES): Add missing '/'.
9171 2008-03-26  Richard Guenther  <rguenther@suse.de>
9173         * fold-const.c (target.h): Include.
9174         (fold_comparison): Fold comparison of addresses of two decls
9175         that bind locally.  Consolidate address folding code.
9177 2008-03-26  Nick Clifton  <nickc@redhat.com>
9179         PR target/31232
9180         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
9181         not allow INT+INT as a legitimate addressing mode.
9183 2008-03-26  Richard Guenther  <rguenther@suse.de>
9185         * tree-flow.h (widen_bitfield): Remove declaration.
9186         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
9187         (widen_bitfield): Remove function.
9188         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
9189         code.
9191 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9193         PR target/31558
9194         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
9195         error_mark_node's.
9197 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
9199         PR rtl-optimization/35232
9200         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
9201         (forget_old_reloads_1, forget_marked_reloads): Don't clear
9202         reg_reloaded_call_part_clobbered here.
9203         (reload_regs_reach_end_p): New function.
9204         (reload_reg_rtx_for_input): New variable.
9205         (reload_reg_rtx_for_output): Likewise.
9206         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
9207         when reassigning a pseudo register.  Load reloadreg from 
9208         reload_reg_rtx_for_input, moving the mode and register
9209         calculation to...
9210         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
9211         instead of the original when deciding whether an input reload
9212         would be a no-op or whether an output reload can be deleted.
9213         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
9214         when setting up new_spill_reg_store.  Load it from
9215         reload_reg_rtx_for_output, moving the mode and register
9216         calculation to...
9217         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
9218         instead of the original when deciding whether an output reload
9219         would be a no-op.  Do the same when modifying insn notes.
9220         Use rtx_equal_p instead of == to compare the registers.
9221         (inherit_piecemeal_p): Take a mode and two register numbers
9222         as argument.
9223         (emit_reload_insns): Clear new_spill_reg_store for every hard
9224         register in the reload register.  Remove spill registers
9225         from reg_reloaded_valid before considering whether to record
9226         inheritance information for them.  Use reload_reg_rtx_for_output
9227         instead of reg_rtx when recording output reloads.  Use
9228         reload_reg_rtx_for_input instead of reg_rtx when recording
9229         input reloads.  Set or clear reg_reloaded_call_part_clobbered
9230         at the same time as setting reg_reloaded_valid.
9231         (delete_output_reload): Add a new_reload_reg parameter and use it
9232         instead of rld[j].reg_rtx.
9233         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
9234         calls accordingly.
9236 2008-03-25  Tom Tromey  <tromey@redhat.com>
9238         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
9239         (build/genattr.o): Likewise.
9240         (build/genattrtab.o): Likewise.
9241         (build/gencodes.o): Likewise.
9242         (build/genconfig.o): Likewise.
9243         (build/genconstants.o): Likewise.
9244         (build/genemit.o): Likewise.
9245         (build/genextract.o): Likewise.
9246         (build/genflags.o): Likewise.
9248 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
9249         
9250         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
9251         instead of size_int for integer types.
9252         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
9253         to match type of MINUS_EXPR.
9254         
9255 2008-03-25  Tom Tromey  <tromey@redhat.com>
9257         * configure: Rebuilt.
9258         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
9259         Makefile.
9261 2008-03-25  Tom Tromey  <tromey@redhat.com>
9263         * config/x-solaris (host-solaris.o): Update.
9264         * config/x-linux (host-linux.o): Update.
9265         * config/x-hpux (host-hpux.o): Update.
9266         * config/x-darwin (host-darwin.o): Update.
9267         * config/v850/t-v850e (v850-c.o): Update.
9268         * config/v850/t-v850 (v850-c.o): Update.
9269         * config/t-vxworks (vxworks.o): Update.
9270         * config/t-sol2 (sol2-c.o, sol2.o): Update.
9271         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
9272         * config/spu/t-spu-elf (spu-c.o): Update.
9273         (spu.o): Remove.
9274         * config/sh/t-symbian (sh-c.o): Update.
9275         (symbian.o): Update.
9276         * config/sh/t-sh (sh-c.o): Update.
9277         * config/score/t-score-elf (score7.o, score3.o): Update.
9278         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
9279         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
9280         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
9281         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
9282         (rs6000.o): Remove.
9283         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
9284         * config/m32c/t-m32c (m32c-pragma.o): Update.
9285         * config/ia64/t-ia64 (ia64-c.o): Update.
9286         * config/i386/x-mingw32 (host-mingw32.o): Update.
9287         * config/i386/x-i386 (driver-i386.o): Update.
9288         * config/i386/x-darwin (host-i386-darwin.o): Update.
9289         * config/i386/x-cygwin (host-cygwin.o): Update.
9290         * config/i386/t-nwld (nwld.o): Update.
9291         * config/i386/t-netware (netware.o): Update.
9292         * config/i386/t-interix (winnt.o): Update.
9293         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
9294         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
9295         msformat-c.o): Update.
9296         * config/bfin/t-bfin-linux (generated_files): Add
9297         linux-sysroot-suffix.h.
9298         * config/arm/t-wince-pe (pe.o): Update.
9299         * config/arm/t-strongarm-pe (pe.o): Update.
9300         * config/arm/t-pe (pe.o): Update.
9301         * config/arm/t-arm (arm-c.o): Update.
9302         * doc/install.texi (Prerequisites): Require make 3.80.
9303         * Makefile.in: Remove .o targets.
9304         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
9305         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
9306         (simple_generated_h, simple_generated_c): Move earlier.
9307         (generated_files): New variable.
9308         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
9309         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
9310         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
9311         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
9312         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
9313         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
9314         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
9315         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
9316         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
9317         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
9318         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
9319         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
9320         (.c.o): Remove.
9321         (COMPILE.base, COMPILE): New variables.
9322         (%.o): New pattern rule.
9323         (ALL_HOST_OBJS): New variable.
9324         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
9325         (dummy-checksum.o, cc1-checksum.o): Remove.
9326         (DRIVER_SHLIB): New variable.
9327         (DRIVER_DEFINES): Use it.
9328         (gencondmd.c): Move out of build/.
9329         (s-conditions): Update.
9330         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
9331         (ALL_BUILD_OBJS): Likewise.
9332         (build/%.o): Use BUILDCOMPILE.
9333         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
9334         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
9335         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
9336         build/gencheck.o, build/gencodes.o, build/genconditions.o,
9337         build/genconfig.o, build/genconstants.o, build/genemit.o,
9338         build/genextract.o, build/genflags.o, build/genmddeps.o,
9339         build/genopinit.o, build/genoutput.o, build/genpeep.o,
9340         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
9341         build/gen-protos.o, build/scan.o, build/fix-header.o,
9342         build/scan-decls.o): Simplify.
9343         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
9344         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
9345         prefix.o, toplev.o): Reduce to variable setting.
9346         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
9347         ($(out_object_file), gcc-options.o): New targets.
9348         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
9349         * configure: Rebuilt.
9350         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
9351         * doc/sourcebuild.texi (Front End Directory): Document new variable.
9353 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
9355         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
9356         complain when we hit an error, return ERROR_MARK_NODE.
9358 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
9360         * config/sh/constraints.md (Pso, Psz): New constraints.
9361         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
9362         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
9364 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
9366         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
9367         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
9369 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
9371         * config/sh/sh.md (prefetch): Add condition for SH2A target.
9372         (prefetch_sh2a): New.   
9374 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
9375             Naveen.H.S  <naveen.hs@kpitcummins.com>
9377         * config/sh/constraints.md (I28): New constraint.
9378         * config/sh/sh.c (broken_move): Add support for movi20s.
9379         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
9381 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
9382             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
9383             Naveen.H.S  <naveen.hs@kpitcummins.com>
9385         * config/sh/sh.c (SH_ATTRIBUTES): Define.
9386         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
9387         (print_operand): Handle resbank in %@ operand code.
9388         (sh_encode_section_info): New.
9389         (push_regs): Add conditions for resbank.
9390         (sh_expand_epilogue): Likewise.
9391         (sh_insert_attributes): Likewise.
9392         (sh_attribute_table): Likewise.
9393         (sh_handle_resbank_handler_attribute): New.
9394         (sh2a_handle_function_vector_handler_attribute): New.
9395         (sh2a_is_function_vector_call): New.
9396         (sh2a_get_function_vector_number): New.
9397         (sh2a_function_vector_p): New.
9398         (sh_cfun_resbank_handler_p): New.
9399         * config/sh/sh.md (calli): Emit jsr/n if possible.
9400         (calli_tbr_rel): New.
9401         (calli_pcrel): Emit jsr/n if possible.
9402         (return_i): Emit rts/n if possible.
9403         (call_valuei_tbr_rel): New.
9404         (call_valuei_pcrel): Add condition for SH2A target.
9405         (call_value): Likewise.
9406         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
9407         (sh2a_get_function_vector_number): Likewise.
9408         (sh2a_is_function_vector_call): Likewise.
9409         * doc/extend.texi: Document TBR relative addressing of SH2A.
9410         (resbank): Add description for SH2A.
9412 2008-03-24  Richard Guenther  <rguenther@suse.de>
9414         PR c/22371
9415         * gimplify.c (gimplify_modify_expr): For frontend type-correct
9416         pointer assignments change conversions according to middle-end rules.
9417         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
9418         * configure.ac: Include type checking in yes.
9419         * configure: Regenerate.
9421 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9423         * diagnostic.c (diagnostic_count_diagnostic): Delete.
9424         (diagnostic_report_diagnostic): Update. Handle ICEs here.
9425         
9426 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
9428         * gthr-vxworks.h (UNUSED): Define.
9430 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
9432         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
9434 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
9436         * doc/extend.texi (Function Attributes): Add missing comma in the
9437         example of the "alloc_size" attribute.
9438         
9439 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
9441         Revert:
9442         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
9444         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
9445         32bit host.
9447         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
9449         PR target/35496
9450         * stor-layout.c (update_alignment_for_field): Set minimum alignment
9451         of the underlying type of a MS bitfield layout to the natural
9452         alignment of the type.
9454         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
9456         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
9457         to their natural alignment to avoid store forwarding stalls.
9459 2008-03-22  Richard Guenther  <rguenther@suse.de>
9461         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
9462         For PHI nodes verify the address is invariant.
9463         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
9464         (get_symbol_constant_value): Use is_gimple_min_invariant.
9465         (maybe_fold_stmt_indirect): Likewise.
9467 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
9469         PR rtl-optimization/33927
9470         * Makefile.in (dse.o): Depend on $(TM_P_H).
9471         * expr.h (extract_low_bits): Declare.
9472         * expmed.c (extract_low_bits): New function.
9473         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
9474         * dse.c: Include tm_p.h.
9475         (find_shift_sequence): Remove the read_reg argument and return the
9476         read value.  Emit the instructions instead of returning them.
9477         Iterate on new_mode rather than calculating it each time.
9478         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
9479         source to NEW_MODE and extract_low_bits to convert the shifted
9480         value to READ_MODE.
9481         (replace_read): Allow the load and store to have different mode
9482         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
9483         or extraction instructions before trying the replacement.  Update
9484         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
9486 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
9488         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
9489         to their natural alignment to avoid store forwarding stalls.
9491 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9493         PR target/27946
9494         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
9495         encouraging but not allowing gprs for input;
9496         change the input constraint to !f#r.
9497         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
9498         gprs for output;
9499         change the output constraint to !f#r.
9501 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
9503         PR target/13958
9504         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
9505         corresponding post-reload splitters.
9506         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
9507         when x87 FP math is selected.
9508         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
9509         New function prototype.
9510         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
9511         unreachable function to ease macroization of insn patterns.
9513 2008-03-21  Martin Jambor  <mjambor@suse.cz>
9515         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
9516         reference dumps if ddr is NULL or dependence is unknown.
9518 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9520         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
9521         unsigned extension into account.
9522         (ATOMIC_COMPARE_AND_SWAP): Likewise.
9523         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
9524         Do computations on a scratch register.
9526 2008-03-21  Richard Guenther  <rguenther@suse.de>
9528         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
9529         Use is_gimple_min_invariant instead of TREE_INVARIANT.
9530         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
9531         * tree-ssa-dom.c (record_equality): Likewise.
9532         * tree-inline.c (copy_body_r): Likewise.
9533         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
9534         TREE_INVARIANT.
9536 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9538         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
9539         as 'delete_unused' argument.
9541 2008-03-20  Richard Guenther  <rguenther@suse.de>
9543         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
9544         special casing of constant qualifiers.
9545         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
9546         care about them in general.
9547         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
9548         regardless of their type.
9549         (fold_stmt_r): Forcefully fold *& if we end up with that.
9551 2008-03-20  Paul Brook  <paul@codesourcery.com>
9553         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
9554         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
9555         linker flags.
9556         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
9557         definition.
9558         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
9559         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
9561 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
9563         * common.opt (Wmudflap): New option.
9564         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
9565         (mx_register_decls): Likewise.
9566         (mudflap_finish_file): Likewise.
9567         * doc/invoke.texi: Document -Wno-mudflap.
9569 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
9571         * c-format.c (replace_format_name_to_system_name): New.
9572         (cmp_attribs): New.
9573         (convert_format_name_to_system_name): New.
9574         (decode_format_attr): Add use of convert_format_name_to_system_name.
9575         (format_types_orig): Add gnu_ prefix to names.
9576         (check_format_info_main): Special treating of \0 escaped names for
9577         supporting multi-character format specifiers as I32, I64.
9578         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
9579         (gnu_target_overrides_format_attributes): New.
9580         * c-format.h: Add structure target_ovr_attr to hold
9581         system specific formatter names.
9582         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
9583         msformat-c.o file to c_target_objs and cxx_target_objs.
9584         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
9585         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
9586         (TARGET_N_FORMAT_TYPES): New.
9587         * config/i386/msformat-c.c: New.
9588         * config/i386/t-cygming: Add build rule for msformat-c.o.
9589         * doc/extend.texi: Add new format names gnu_* and ms_* and
9590         further details.
9591         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
9593 2008-03-20  Ira Rosen  <irar@il.ibm.com>
9595         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
9596         optimizations turned on under -O3.
9597         (ftree-vectorize): Add that the flag is turned on with -O3.
9599 2008-03-20  Ben Elliston  <bje@au.ibm.com>
9601         * regmove.c (try_auto_increment): Fix spelling error in comment.
9602         * final.c (final_scan_insn): Likewise.
9604 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
9606         PR target/14552
9607         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
9608         allocator preferences for "y" and "r" class registers.
9609         ("*mov<mode>_internal"): Ditto.
9610         ("*movv2sf_internal_rex64"): Ditto.
9611         ("*movv2sf_internal"): Ditto.
9613 2008-03-19  Michael Matz  <matz@suse.de>
9615         PR middle-end/35616
9616         * calls.c (expand_call): Check overlap of arguments with call
9617         address for sibcalls.
9619 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
9621         PR target/35496
9622         * stor-layout.c (update_alignment_for_field): Set minimum alignment
9623         of the underlying type of a MS bitfield layout to the natural
9624         alignment of the type.
9626 2008-03-19  Jan Hubicka  <jh@suse.cz>
9628         PR other/35094
9629         * toplev.c (decode_d_option): Handle all CPP flags.
9630         * tree-vrp.c: Update tree_pass descriptors.
9631         * regrename.c: Update tree_pass descriptors.
9632         * fwprop.c: Update tree_pass descriptors.
9633         * doc/invoke.texi: Remove documentation of dropped -d? flags.
9634         * tree-into-ssa.c: Update tree_pass descriptors.
9635         * tree-dump.c: Update tree_pass descriptors.
9636         * tree-complex.c: Update tree_pass descriptors.
9637         * tree-dump.h: Update tree_pass descriptors.
9638         * see.c: Update tree_pass descriptors.
9639         * cgraphbuild.c: Update tree_pass descriptors.
9640         * tracer.c: Update tree_pass descriptors.
9641         * tree-loop-distribution.c: Update tree_pass descriptors.
9642         * cgraph.c: Update tree_pass descriptors.
9643         * postreload-gcse.c: Update tree_pass descriptors.
9644         * postreload.c: Update tree_pass descriptors.
9645         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
9646         * tree-tailcall.c: Update tree_pass descriptors.
9647         * tree-pass.h (tree_opt_pass): Rename to ...
9648         (opt_pass) ... this one; add "type" field and remove letter field.
9649         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
9650         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
9651         all_lowering_passes): Update declaration.
9652         * ipa-cp.c: Update tree_pass descriptors.
9653         * final.c: Update tree_pass descriptors.
9654         * omp-low.c: Update tree_pass descriptors.
9655         * tree-ssa-dse.c: Update tree_pass descriptors.
9656         * ipa-reference.c: Update tree_pass descriptors.
9657         * tree-ssa-uncprop.c: Update tree_pass descriptors.
9658         * auto-inc-dec.c: Update tree_pass descriptors.
9659         * reorg.c: Update tree_pass descriptors.
9660         * cgraphunit.c: Update tree_pass descriptors.
9661         * tree-ssa-copyrename.c: Update tree_pass descriptors.
9662         * tree-ssa-ccp.c: Update tree_pass descriptors.
9663         * df-core.c: Update tree_pass descriptors.
9664         * mode-switching.c: Update tree_pass descriptors.
9665         * tree-nomudflap.c: Update tree_pass descriptors.
9666         * modulo-sched.c: Update tree_pass descriptors.
9667         * ipa-pure-const.c: Update tree_pass descriptors.
9668         * cse.c: Update tree_pass descriptors.
9669         * web.c: Update tree_pass descriptors.
9670         * tree-stdarg.c: Update tree_pass descriptors.
9671         * tree-ssa-math-opts.c: Update tree_pass descriptors.
9672         * tree-ssa-dom.c: Update tree_pass descriptors.
9673         * tree-nrv.c: Update tree_pass descriptors.
9674         * tree-ssa-alias.c: Update tree_pass descriptors.
9675         * loop-init.c: Update tree_pass descriptors.
9676         * gimple-low.c: Update tree_pass descriptors.
9677         * ipa-inline.c: Update tree_pass descriptors.
9678         * tree-ssa-sink.c: Update tree_pass descriptors.
9679         * global.c: Update tree_pass descriptors.
9680         * ifcvt.c: Update tree_pass descriptors.
9681         * jump.c: Update tree_pass descriptors.
9682         * predict.c: Update tree_pass descriptors.
9683         * tree-ssa-loop.c: Update tree_pass descriptors.
9684         * recog.c: Update tree_pass descriptors.
9685         * dse.c: Update tree_pass descriptors.
9686         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
9687         * tree-eh.c: Update tree_pass descriptors.
9688         * regmove.c: Update tree_pass descriptors.
9689         * local-alloc.c
9690         * function.c: Update tree_pass descriptors.
9691         * tree-vectorizer.c: Update tree_pass descriptors.
9692         * gcse.c: Update tree_pass descriptors.
9693         * ipa-type-escape.c: Update tree_pass descriptors.
9694         * tree-if-conv.c: Update tree_pass descriptors.
9695         * init-regs.c: Update tree_pass descriptors.
9696         * ipa.c: Update tree_pass descriptors.
9697         * tree-ssa-phiopt.c: Update tree_pass descriptors.
9698         * rtl-factoring.c: Update tree_pass descriptors.
9699         * lower-subreg.c: Update tree_pass descriptors.
9700         * bt-load.c: Update tree_pass descriptors.
9701         * tree-dfa.c: Update tree_pass descriptors.
9702         * except.c: Update tree_pass descriptors.
9703         * emit-rtl.c: Update tree_pass descriptors.
9704         * cfgexpand.c: Update tree_pass descriptors.
9705         * tree-cfgcleanup.c: Update tree_pass descriptors.
9706         * cfgcleanup.c: Update tree_pass descriptors.
9707         * tree-ssa-pre.c: Update tree_pass descriptors.
9708         * tree-sra.c: Update tree_pass descriptors.
9709         * tree-mudflap.c: Update tree_pass descriptors.
9710         * tree-ssa-copy.c: Update tree_pass descriptors.
9711         * cfglayout.c: Update tree_pass descriptors.
9712         * tree-ssa-forwprop.c: Update tree_pass descriptors.
9713         * tree-ssa-dce.c: Update tree_pass descriptors.
9714         * tree-ssa.c: Update tree_pass descriptors.
9715         * regclass.c: Update tree_pass descriptors.
9716         * integrate.c: Update tree_pass descriptors.
9717         * tree-optimize.c: Update tree_pass descriptors.
9718         * tree-ssa-phiprop.c: Update tree_pass descriptors.
9719         * tree-object-size.c: Update tree_pass descriptors.
9720         * combine.c: Update tree_pass descriptors.
9721         * tree-outof-ssa.c: Update tree_pass descriptors.
9722         * bb-reorder.c: Update tree_pass descriptors.
9723         * stack-ptr-mod.c: Update tree_pass descriptors.
9724         * var-tracking.c: Update tree_pass descriptors.
9725         * tree-profile.c: Update tree_pass descriptors.
9726         * tree-vect-generic.c: Update tree_pass descriptors.
9727         * reg-stack.c: Update tree_pass descriptors.
9728         * sched-rgn.c: Update tree_pass descriptors.
9729         * tree-ssa-structalias.c: Update tree_pass descriptors.
9730         * tree-cfg.c: Update tree_pass descriptors.
9731         * passes.c (current_pass): Update declaration.
9732         (finish_optimization_passes): Update.
9733         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
9734         (register_one_dump_file, register_dump_files_1, next_pass_1):
9735         Update arguments.
9736         (init_optimization_passes): Update handling of new types.
9737         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
9738         * ipa-struct-reorg.c: Update tree_pass descriptors.
9739         * tree-ssa-reassoc.c: Update tree_pass descriptors.
9740         * combine-stack-adj.c: Update tree_pass descriptors.
9741         * cfgrtl.c: Update tree_pass descriptors.
9742         * dce.c: Update tree_pass descriptors.
9743         * tree-ssanames.c: Update tree_pass descriptors.
9745 2008-03-19  Richard Guenther  <rguenther@suse.de>
9747         PR middle-end/35609
9748         * tree-ssa.c (walk_data): New structure.
9749         (warn_uninitialized_var): If not always_executed warn with "maybe"
9750         instead of "is".
9751         (execute_early_warn_uninitialized): Compute post-dominators.
9752         Initialize always_executed before processing each basic block.
9754 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
9756         PR target/35504
9757         * config/i386/i386.c (x86_this_parameter): Calculate correct location
9758         of "this" pointer when "regparm = N" or "fastcall" is in effect.
9760 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9762         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
9764 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
9766         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
9767         is true.
9768         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
9769         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
9770         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
9771         target after ignore has been set, and move there also the commputation
9772         of subtarget and original_target.
9773         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
9774         (LANG_HOOKS_INITIALIZER): Remove it.
9775         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
9777 2008-03-18  Richard Guenther  <rguenther@suse.de>
9779         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
9780         found an expression with constants, note that in the VN for the lhs.
9781         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
9782         fold them to constants if possible.  Run cleanup_cfg if done so.
9783         (execute_pre): Return todo.
9784         (do_pre): Likewise.
9785         (execute_fre): Likewise.
9786         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
9787         of constants.
9788         (get_prop_source_stmt): Look through pointer conversions.
9790 2008-03-18  Jan Hubicka  <jh@suse.cz>
9792         * tree-pretty-print.c: Include predict.h.
9793         (dump_generic_node): Dump predictor.
9794         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
9795         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
9796         * gimple-low.c (lower_stmt): Likewise.
9797         * expr.c (expand_expr_real): Likewise.
9798         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
9799         them.
9800         (build_predict_expr, build_predict_expr): New.
9801         * predict.h (predictor_name, build_predict_expr): Update.
9802         * c-typeck.c (c_finish_bc_stmt): Add prediction.
9803         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
9804         * predict.def (PRED_CONTINUE): Update hitrate.
9805         * tree.def (PREDICT_EXPR): Define.
9806         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
9807         do not handle BIND_EXPR.
9808         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
9809         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
9810         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
9811         operands.
9813 2008-03-18  Michael Matz  <matz@suse.de>
9815         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
9817 2008-03-18  Richard Guenther  <rguenther@suse.de>
9819         * tree-gimple.h (is_gimple_invariant_address): Declare.
9820         (is_gimple_constant): Likewise.
9821         * tree-gimple.c (is_gimple_constant): New function.
9822         (is_gimple_invariant_address): Likewise.
9823         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
9824         and is_gimple_invariant_address.
9825         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
9826         previous change.
9827         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
9828         an addressable base.
9830 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
9832         PR middle-end/35611
9833         * gimplify.c (gimplify_expr): Gimplify second operand of
9834         OMP_ATOMIC_LOAD.
9836 2008-03-17  Richard Guenther  <rguenther@suse.de>
9838         PR tree-optimization/19637
9839         * fold-const.c (fold_unary): Remove restrictions of removing
9840         intermediate pointer-conversions (P2)(P1)P0.
9841         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
9842         conversion to void pointer.
9843         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
9845 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
9847         PR debug/31510
9848         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
9849         emulated thread local variables.
9851 2008-03-16  Richard Guenther  <rguenther@suse.de>
9853         PR middle-end/35607
9854         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
9855         expand TREE_INVARIANT operations that are not gimple invariant.
9857 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
9859         * doc/extend.texi (Alignment): Say that the ABI controls
9860         the __alignof__ for non-strict-alignment targets rather
9861         than being a recommendation.
9863 2008-03-15  Paul Brook  <paul@codesourcery.com>
9865         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
9866         annotations.
9867         (arm_output_fn_unwind): Mark functions that can not be unwound.
9869 2008-03-15  Paul Brook  <paul@codesourcery.com>
9871         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
9872         extension instructions.
9874 2008-03-15  Richard Guenther  <rguenther@suse.de>
9876         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
9877         and fold constant aggregate refs.
9878         (fold_const_aggregate_ref): Handle string constants
9879         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
9880         (evaluate_stmt): Simplify now that ccp_fold folds constant
9881         aggregate refs.
9883 2008-03-15  Paul Brook  <paul@codesourcery.com>
9885         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
9886         (extzv): Use gen_extzv_t2.
9887         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
9889 2008-03-15  Richard Guenther  <rguenther@suse.de>
9891         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
9892         (fold_const_aggregate_ref): Likewise.
9893         (get_value): Return NULL if we don't have any values.
9894         (ccp_finalize): Set const_val to NULL after freeing it.
9895         * tree-flow.h (get_symbol_constant_value): Declare.
9896         (fold_const_aggregate_ref): Likewise.
9897         * tree-ssa-sccvn.c (try_to_simplify): Use them.
9899 2008-03-15  Richard Guenther  <rguenther@suse.de>
9901         PR middle-end/35593
9902         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
9903         to not produce negative array indices if not allowed.  Add
9904         parameter to indicate that.
9905         (maybe_fold_offset_to_component_ref): Allow negative array
9906         indices only for the first member of a structure.
9907         (maybe_fold_offset_to_reference): Allow negative array indices.
9908         (maybe_fold_stmt_addition): Likewise.
9910 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
9911             Anatoly Sokolov <aesok@post.ru>
9913         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
9914         (avr_arch): Add ARCH_AVR6.
9915         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
9916         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
9917         instead of fixed value 2.
9918         (print_operand_address): Use gs() asm specifier instead of pm().
9919         (avr_assemble_integer): (Ditto.).
9920         (avr_output_addr_vec_elt): (Ditto.).
9921         (print_operand): Handle "!" code.
9922         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
9923         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
9924         (AVR_HAVE_EIJMP_EICALL): Define.
9925         (AVR_3_BYTE_PC): Redefine.
9926         (AVR_2_BYTE_PC): (Ditto.).
9927         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
9928         (LINK_SPEC): Add atmega2560 and atmega2561.
9929         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
9930         (crtm2561.o).
9931         * config/avr/avr.md (call_insn): Use eicall instead of icall 
9932         for 3 byte PC devices.
9933         (call_value_insn): (Ditto.).
9934         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
9935         (indirect_jump): Use only for for 2 byte PC devices.
9936         (*tablejump): (Ditto.).
9937         (*indirect_jump_avr6): Add insn.
9938         (*tablejump_rjmp): Don't use for 3 byte PC devices.
9939         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
9940         instead of ijmp for 3 byte PC devices.
9941         (__tablejump2__): (Ditto.).
9942         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
9943         (MULITLIB_DIRNAMES): (Ditto.). 
9944         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
9946 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
9948         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
9949         "sse2_umulsidi3".  Use V1DI mode for operand 0.
9950         ("mmx_psadbw"): Use V1DI mode for operand 0.
9951         * config/i386/i386-modes.def (V1SI): New vector mode.
9952         * config/i386/i386.c (struct builtin_description)
9953         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
9954         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
9955         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
9956         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
9957         v1di_ftype_v8qi_v8qi type.
9958         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
9960         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
9961         __builtin_ia32_pmuludq]: Fix the mode of return value.
9963 2008-03-15  Richard Guenther  <rguenther@suse.de>
9965         PR middle-end/35595
9966         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
9967         being a PHI_NODE.
9969 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
9970         
9971         * doc/invoke.texi (Option Summary, Xtensa Options): Document
9972         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
9973         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
9974         unless TARGET_SERIALIZE_VOLATILE is enabled.
9975         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
9976         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
9977         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
9979 2008-03-14  Richard Guenther  <rguenther@suse.de>
9981         PR tree-optimization/34172
9982         * tree-flow.h (refs_may_alias_p): Declare.
9983         (get_single_def_stmt): Likewise.
9984         (get_single_def_stmt_from_phi): Likewise.
9985         (get_single_def_stmt_with_phi): Likewise.
9986         * tree-dfa.c (refs_may_alias_p): New function.
9987         (get_single_def_stmt): Likewise.
9988         (get_single_def_stmt_from_phi): Likewise.
9989         (get_single_def_stmt_with_phi): Likewise.
9990         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
9991         (vn_reference_lookup_1): New helper function.
9992         (vn_reference_lookup): Walk the virtual use-def chain to
9993         continue searching for a match if the def does not alias the
9994         reference we are looking for.
9996 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
9998         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
9999         archive and Perzl.  Update The Written Word listing.
10001 2008-03-14  Richard Guenther  <rguenther@suse.de>
10003         PR tree-optimization/34043
10004         PR tree-optimization/33989
10005         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
10006         when doing FRE.
10007         (bitmap_find_leader): Use extra argument to verify dominance
10008         relationship inside a basic-block.
10009         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
10010         (find_leader_in_sets): Adjust.
10011         (create_component_ref_by_pieces): Take extra argument for
10012         dominance check, handle lookup failures.
10013         (find_or_generate_expression): Likewise.
10014         (create_expression_by_pieces): Likewise.
10015         (insert_into_preds_of_block): Adjust.
10016         (create_value_expr_from): If asked for, verify all operands
10017         are in the blocks AVAIL_OUT set.
10018         (make_values_for_stmt): Check for SSA_NAMEs that are life
10019         over an abnormal edge.
10020         (compute_avail): Remove such check.
10021         (do_SCCVN_insertion): New function.
10022         (eliminate): If we do not find a leader suitable for replacement
10023         insert a replacement expression from SCCVN if available.
10024         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
10025         (struct vn_ssa_aux): Add needs_insertion flag.
10026         * tree-ssa-sccvn.c (may_insert): New global flag.
10027         (copy_reference_ops_from_ref): Value-number union member access
10028         based on its size, not type and member if insertion is allowed.
10029         (visit_reference_op_load): For a weak match from union type
10030         punning lookup a view-converted value and insert a SSA_NAME
10031         for that value if that is not found.
10032         (visit_use): Make dumps shorter.  Do not disallow value numbering
10033         SSA_NAMEs that are life over an abnormal edge to constants.
10034         (free_scc_vn): Release inserted SSA_NAMEs.
10035         (run_scc_vn): New flag to specify whether insertion is allowed.
10036         Process SSA_NAMEs in forward order.
10037         * tree-ssa-loop-im.c (for_each_index): Handle invariant
10038         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
10039         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
10040         pointer type to/from integral types that do not change the
10041         precision to regular conversions.
10043 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
10045         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
10046         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
10047         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
10048         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
10049         input arguments and the mode of return value.  Built-in functions
10050         that operate on whole 64-bit MMX register now use V1DI mode.
10052 2008-03-13  Alon Dayan  <alond@il.ibm.com>
10053             Olga Golovanevsky  <olga@il.ibm.com>
10055         PR tree-optimization/35041
10056         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
10057         to locate the right position in a statement.
10059 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
10061         PR target/34000
10062         PR target/35553
10063         * config/i386/xmmintrin.h:  Change all static inline functions to
10064         extern inline and add __gnu_inline__ attribute.
10065         * config/i386/bmintrin.h: Ditto.
10066         * config/i386/smmintrin.h: Ditto.
10067         * config/i386/tmmintrin.h: Ditto.
10068         * config/i386/mmintrin-common.h: Ditto.
10069         * config/i386/ammintrin.h: Ditto.
10070         * config/i386/emmintrin.h: Ditto.
10071         * config/i386/pmmintrin.h: Ditto.
10072         * config/i386/mmintrin.h: Ditto.
10073         * config/i386/mm3dnow.h: Ditto.
10075 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
10077         PR middle-end/35185
10078         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
10079         (lower_omp_2): New function.
10080         (lower_omp_1, lower_omp): Rewritten.
10082 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
10084         PR 35054
10085         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
10086         with the phrase "Microsoft Windows compilers".
10087         (Push/Pop Macro Pragmas): New subsection. Document
10088         #pragma push_macro and pragma pop_macro.
10090 2008-03-12  Paul Brook  <paul@codesourcery.com>
10092         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
10094 2008-03-12  Paul Brook  <paul@codesourcery.com>
10096         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
10097         (thumb2_alusi3_short): Exclude PLUS and MINUS.
10098         (thumb2_addsi_shortim): Rename ...
10099         (thumb2_addsi_short): ... to this.  Allow register operands.
10100         (thumb2_subsi_short): New pattern.
10101         (thumb2_one_cmplsi2_short,
10102         thumb2_negsi2_short): New patterns and peepholes.
10104 2008-03-12  Paul Brook  <paul@codesourcery.com>
10106         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
10108 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
10110         * config/i386/i386.md (int_cond): New code iterator.
10111         (fp_cond): Ditto.
10112         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
10113         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
10114         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
10115         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
10116         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
10117         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
10118         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
10119         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
10121 2008-03-12  Paul Brook  <paul@codesourcery.com>
10123         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
10124         instead of {arm,thumb}_compute_save_reg_mask.
10125         (output_return_instruction): Ditto.
10126         (thumb_unexpanded_epilogue): Ditto.
10127         (thumb1_expand_prologue): Ditto.
10128         (thumb1_output_function_prologue): Ditto.
10129         (arm_set_return_address): Ditto.
10130         (thumb_set_return_address): Ditto.
10131         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
10132         regs to achieve stack alignment.
10133         (thumb1_compute_save_reg_mask): Fix compiler warning.
10134         (arm_output_epilogue): Use offsets->saved_regs_mask.
10135         Adjust stack pointer by poping call clobered registers.
10136         (arm_expand_prologue): Use offsets->saved_regs_mask.
10137         Adjust stack pointer by pushing extra registers.
10138         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
10140 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
10142         PR tree-opt/35422
10143         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
10144         conversion to the operands of a multiplication.
10146 2008-03-12  Richard Guenther  <rguenther@suse.de>
10148         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
10149         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
10150         * timevar.def (TV_TREE_PHIPROP): Add.
10151         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
10152         pass description.  Use TV_TREE_PHIPROP.
10153         * tree-ssa-forwprop.c: Remove phiprop code.
10155 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
10157         PR middle-end/35549
10158         * omp-low.c (maybe_lookup_decl): Constify first argument.
10159         (use_pointer_for_field): Change last argument from bool to
10160         omp_context *.  Disallow shared copy-in/out in nested
10161         parallel if decl is shared in outer parallel too.
10162         (build_outer_var_ref, scan_sharing_clauses,
10163         lower_rec_input_clauses, lower_copyprivate_clauses,
10164         lower_send_clauses, lower_send_shared_vars): Adjust callers.
10166 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
10167             Ira Rosen  <irar@il.ibm.com>
10169         * tree-vectorizer.c (free_stmt_vec_info): New function.
10170         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
10171         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
10172         * tree-vectorizer.h (free_stmt_vec_info): Declare.
10173         * tree-vect-transform.c (vectorizable_conversion): Free
10174         vec_oprnds0 if it was allocated.
10175         (vect_permute_store_chain): Remove unused VECs.
10176         (vectorizable_store): Free VECs that are allocated in the..
10177         function.
10178         (vect_transform_strided_load, vectorizable_load): Likewise.
10179         (vect_remove_stores): Simplify the code.
10180         (vect_transform_loop): Move code to vect_remove_stores().
10181         Call vect_remove_stores() and free_stmt_vec_info().
10183 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10185         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
10186         TARGET_HPUX.  Revise comment.
10187         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
10188         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
10189         Use sr4 variant of `be' instruction when not generating PIC code.
10190         (attr_length_call): Adjust for above change.
10192 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10194         * ipa-reference.c (static_execute): Remove module_statics_const and
10195         associated setting code.
10197 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
10199         PR target/35540
10200         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
10201         predicate for operand 1.
10202         (paritysi2_cmp): Use register_operand predicate for operand 2.
10203         Use earlyclobber modifier for operand 1.  Remove support for
10204         memory operands.
10205         (paritydi2_cmp): Use register_operand predicate for operand 3.
10206         Use earlyclobber modifier for operand 1.  Remove support for
10207         memory operands.
10209 2008-03-11  Paul Brook  <paul@codesourcery.com>
10210             Vladimir Prus  <vladimir@codesourcery.com>
10212         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
10213         (arm_compute_save_reg0_reg12_mask): Always
10214         check if register 11 must be saved.  Always safe hard frame pointer
10215         when frame_pointer_needeed.
10216         (arm_compute_save_reg_mask): Save IP and PC
10217         only with apcs frames.
10218         (arm_output_epilogue): Adjust Thumb2 codepath to
10219         be also invoked and work for ARM non-apcs frames.
10220         (arm_expand_prologue): Don't bother saving IP
10221         for non-apcs frame, since it's not clobbered by
10222         prologue code.  Implement non-apcs frame
10223         layout.
10225 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
10227         PR rtl-optimization/35281
10228         * expr.c (convert_move): Use a new pseudo for the intermediate
10229         from_mode->word_mode result.
10231 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
10233         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
10234         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
10235         * toplev.c (compile_file): Don't call it.
10237 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
10239         PR middle-end/35526
10240         * expr.c (store_expr): Call emit_block_move if the mode
10241         of "temp" RTX is BLKmode.
10243 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10244             Richard Guenther  <rguenther@suse.de>
10246         PR tree-optimization/31358
10247         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
10248         the step with a NULL_TREE.
10249         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
10250         to sizetype if type is a pointer type.
10251         (add_candidate_1): Don't convert the base and step to
10252         the generic type if the orginal type is a pointer type.
10253         (add_iv_value_candidates): Use sizetype for the step
10254         if type is a pointer type.
10255         (cand_value_at): Likewise.
10256         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
10257         for pointer types.
10258         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
10259         Don't convert the tem affine to the type.
10260         (add_elt_to_tree): Use sizetype for the step if a pointer.
10261         Use POINTER_PLUS_EXPR for pointers.
10262         (aff_combination_to_tree): Use sizetype for the step if a
10263         pointer.
10265 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
10267         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
10268         Remove commutativity hint.
10270 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
10272         PR c/35438
10273         PR c/35439
10274         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
10275         errorneous type.  Check that v is a VAR_DECL.
10277         PR middle-end/35099
10278         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
10280 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
10282         PR tree-optimization/35494
10283         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
10284         may be overriden at link and run time.
10286 2008-03-10  Richard Guenther  <rguenther@suse.de>
10288         PR tree-optimization/34677
10289         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
10290         (poolify_tree): Likewise.
10291         (modify_expr_template): Likewise.
10292         (poolify_modify_stmt): Likewise.
10293         (insert_fake_stores): Handle all component-ref style stores
10294         in addition to INDIRECT_REF.  Also handle complex types.
10295         Do not poolify the inserted load.
10296         (realify_fake_stores): Do not rebuild the tree but only
10297         make it a SSA_NAME copy.
10298         (init_pre): Remove initialzation of modify_expr_template.
10299         Do not allocate modify_expr_node_pool.
10300         (fini_pre): Do not free modify_expr_node_pool.
10302 2008-03-10  Paul Brook  <paul@codesourcery.com>
10304         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
10305         to avoid conflicts.
10307 2008-03-10  Paul Brook  <paul@codesourcery.com>
10308             Mark Shinwell  <shinwell@codesourcery.com>
10310         * config/arm/cortex-r4.md: New.
10311         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
10312         insn attributes.
10313         * config/arm/arm.md: Include cortex-r4.md.
10314         (insn): Add smmls, sdiv and udiv values.
10315         (generic_sched): Don't use generic scheduling for Cortex-R4.
10316         (arm_issue_rate): New function.
10317         (TARGET_SCHED_ISSUE_RATE): Define.
10319 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
10321         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
10323 2008-03-10  Richard Guenther  <rguenther@suse.de>
10325         * tree-ssa-pre.c (get_sccvn_value): Simplify.
10326         (compute_avail): Do not add stmt uses to AVAIL_OUT.
10328 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
10330         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
10331         Set default to true.
10333 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10335         * c.opt (Wsynth): Deprecate.
10336         * doc/invoke.texi (Option Summary, Warning Options): Document
10337         -Wno-format-contains-nul.
10339 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
10341         PR target/35496
10342         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
10343         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
10345 2008-03-09  Ira Rosen  <irar@il.ibm.com>
10347         * config/rs6000/rs6000.c (builtin_description): Rename vector
10348         left shift operations.
10349         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
10350         (altivec_vsl<VI_char>): Rename to ...
10351         (ashl<mode>3): ... new name.
10352         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
10353         gen_ashlv4si3.
10354         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
10356 2008-03-08  Richard Guenther  <rguenther@suse.de>
10358         * coverage.h (tree_coverage_counter_addr): Declare.
10359         * coverage.c (tree_coverage_counter_addr): New function.
10360         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
10361         before using again.
10362         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
10363         (tree_gen_one_value_profiler): Likewise.
10364         (tree_gen_ic_profiler): Likewise.
10365         (tree_gen_average_profiler): Likewise.
10366         (tree_gen_ior_profiler): Likewise.
10368 2008-03-08  Richard Guenther  <rguenther@suse.de>
10370         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
10371         (vn_binary_op_insert): Likewise.
10372         (vn_unary_op_lookup): Likewise.
10373         (vn_unary_op_insert): Likewise.
10374         (vn_nary_op_lookup): Declare.
10375         (vn_nary_op_insert): Likewise.
10376         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
10377         and binary hashes, use a single obstack for unary_op_pool
10378         and binary_op_pool.
10379         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
10380         a single struct vn_nary_op_s.  Store tree code length and
10381         a variable number of operands.
10382         (struct vn_reference_op_struct): Remove unused op2.
10383         (vn_reference_op_eq): Do not compare op2.
10384         (vn_reference_op_compute_hash): Do not compute hash of op2.
10385         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
10386         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
10387         with vn_nary_op_compute_hash.
10388         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
10389         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
10390         vn_nary_op_lookup.
10391         (vn_unary_op_insert, vn_binary_op_insert): Replace with
10392         vn_nary_op_insert.
10393         (visit_unary_op): Call nary functions.
10394         (visit_binary_op): Likewise.
10395         (process_scc): Adjust for struct vn_tables_s changes.
10396         (allocate_vn_table): Likewise.
10397         (free_vn_table): Likewise.
10398         * tree-vn.c (vn_add): Call nary functions.
10399         (vn_lookup): Likewise.
10401 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
10403         PR target/35498
10404         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
10405         wdst back after sync_compare_and_swapqhi_internal.
10407 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
10409         PR target/22152
10410         * config/i386/i386-modes.def (V1DI): New vector mode.
10411         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
10412         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
10413         (MMXMODE248): Ditto.
10414         (MMXMODE): Add V1DI mode.
10415         (mmxvecsize): Change DI mode to V1DI mode.
10416         ("mov<mode>): Use MMXMODEI8 mode iterator.
10417         ("*mov<mode>_internal_rex64"): Ditto.
10418         ("*mov<mode>_internal"): Ditto.
10419         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
10420         ("mmx_sub<mode>3"): Ditto.
10421         ("mmx_adddi3"): Remove insn pattern.
10422         ("mmx_subdi3"): Ditto.
10423         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
10424         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
10425         ("mmx_ashl<mode>3"): Ditto.
10426         ("mmx_lshrdi3"): Remove insn pattern.
10427         ("mmx_ashldi3"): Ditto.
10428         * config/i386/i386.c (classify_argument): Handle V1DImode.
10429         (function_arg_advance_32): Ditto.
10430         (function_arg_32): Ditto.
10431         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
10432         mmx_addv1di3 insn pattern.
10433         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
10434         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
10435         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
10436         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
10437         Remove definitions of built-in functions.
10438         (V1DI_type_node): New node.
10439         (v1di_ftype_v1di_int): Ditto.
10440         (v1di_ftype_v1di_v1di): Ditto.
10441         (v2si_ftype_v2si_si): Ditto.
10442         (v4hi_ftype_v4hi_di): Remove node.
10443         (v2si_ftype_v2si_di): Ditto.
10444         (ix86_init_mmx_sse_builtins): Handle V1DImode.
10445         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
10446         Redefine builtins using def_builtin_const with *_ftype_*_int node.
10447         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
10448         Add new builtins using def_builtin_const.
10449         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
10450         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
10451         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
10452         * config/i386/mmintrin.h (__v1di): New typedef.
10453         (_mm_add_si64): Cast arguments to __v1di type.
10454         (_mm_sub_si64): Ditto.
10455         (_mm_sll_pi16): Cast __count to __v4hi type.
10456         (_mm_sll_pi32): Cast __count to __v2si type.
10457         (_mm_sll_si64): Cast arguments to __v1di type.
10458         (_mm_srl_pi16): Cast __count to __v4hi type.
10459         (_mm_srl_pi32): Cast __count to __v2si type.
10460         (_mm_srl_si64): Cast arguments to __v1di type.
10461         (_mm_sra_pi16): Cast __count to __v4hi type.
10462         (_mm_sra_pi32): Cast __count to __v2si type.
10463         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
10464         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
10465         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
10466         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
10467         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
10468         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
10469         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
10470         (_mm_srai_pi32): Use __builtin_ia32_psradi.
10471         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
10472         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
10473         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
10474         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
10476 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
10478         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
10480 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
10482         PR target/35373
10483         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
10484         reg+const addressing for Altivec modes.  Don't generate reg+reg
10485         addressing for TFmode or TDmode quantities.
10487 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
10489         * c-common.c (vector_types_convertible_p): Call langhook
10490         instead of comptypes.
10492 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10494         PR tree-opt/35402
10495         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
10496         integral and scalar float variables which have a
10497         NULL DECL_INITIAL.
10499 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
10501         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
10502         dwarf_register_span hook when emitting unwind information for
10503         register-to-memory saves.
10504         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
10505         (rs6000_frame_related): Remove call to spe_synthesize_frame.
10507 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
10509         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
10510         for the same VAR_DECL.
10512 2008-03-06  Tom Tromey  <tromey@redhat.com>
10514         * treelang: Delete.
10515         * doc/standards.texi (Standards): Don't mention treelang.
10516         * doc/invoke.texi (Overall Options): Don't mention treelang.
10517         * doc/install.texi (Prerequisites): Don't mention bison or
10518         treelang.
10519         (Configuration): Don't mention treelang.
10520         (Building): Likewise.
10521         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
10523 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
10525         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
10526         word-extractions out of a multi-word object.
10528 2008-03-06  Richard Guenther  <rguenther@suse.de>
10530         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
10531         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
10532         result type and precision.
10533         * expr.c (get_inner_reference): Set unsignedp based on the result
10534         type of BIT_FIELD_REF.
10535         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
10536         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
10537         (try_instantiate_multiple_fields): Likewise.  Use the correct type
10538         for BIT_FIELD_REF.
10539         (sra_build_assignment): Likewise.
10540         (sra_build_elt_assignment): Likewise.
10541         (sra_explode_bitfield_assignment): Likewise.
10542         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
10543         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
10544         set BIT_FIELD_REF_UNSIGNED.
10545         (vectorizable_load): Likewise.
10547 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10549         * cse.c (cse_extended_basic_block): Invalidate artificial defs
10550         at bb start.
10552 2008-03-06  Richard Guenther  <rguenther@suse.de>
10554         * alias.c (struct alias_set_entry): Move has_zero_child field
10555         to pack with alias_set.
10557 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
10559         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
10560         32bit host.
10562 2008-03-05  Ian Lance Taylor  <iant@google.com>
10564         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
10566 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
10568         * fwprop.c (update_df): Support width and offset parameters of
10569         df_ref_create.
10570         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
10571         global_conflicts): Change DF_REF_EXTRACT to either
10572         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
10573         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
10574         * df-scan.c (df_ref_record, df_defs_record,
10575         df_ref_create_structure, df_def_record_1, df_uses_record,
10576         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
10577         df_bb_refs_collect, df_entry_block_defs_collect,
10578         df_exit_block_uses_collect): Support new width and offset fields.
10579         (ref_extract_pool): New storage pool.
10580         (df_free_ref): New function.
10581         (df_reg_chain_unlink, df_free_collection_rec,
10582         df_sort_and_compress_refs): Call df_free_ref.
10583         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
10584         of df_ref_extract.
10585         (df_ref_create_structure): Allocate df_ref_extract if offset and
10586         width fields are used.
10587         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
10588         (df_uses_record): Get offset and width from ZERO_EXTRACT 
10589         and SIGN_EXTRACT.
10590         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
10591         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
10592         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
10593         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
10594         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
10595         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
10596         (df_ref_extract): New structure.
10597         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
10598         (df_ref_create): Add width and offset parameters.
10599         
10600 2008-03-05  Richard Guenther  <rguenther@suse.de>
10602         * tree-ssa-structalias.c (get_constraint_for_component_ref):
10603         Use ranges_overlap_p.
10604         (offset_overlaps_with_access): Rename
10605         to ranges_overlap_p and move ...
10606         * tree-flow-inline.h (ranges_overlap_p): ... here.
10608         * tree.h (get_inner_reference, handled_component_p): Update
10609         comments.
10611         * tree.h (record_component_aliases, get_alias_set,
10612         alias_sets_conflict_p, alias_sets_must_conflict_p,
10613         objects_must_conflict_p): Move declarations ...
10614         * alias.h (record_component_aliases, get_alias_set,
10615         alias_sets_conflict_p, alias_sets_must_conflict_p,
10616         objects_must_conflict_p): ... here.
10617         Include coretypes.h.
10618         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
10620 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
10622         * cfg.c: Include tree-flow.h.
10623         (remove_edge_raw): Call redirect_edge_var_map_clear.
10624         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
10625         * tree-flow-inline.h (redirect_edge_var_map_def): New.
10626         (redirect_edge_var_map_result): New.
10627         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
10628         PENDING_STMT use with redirect_edge_var_map_*.
10629         * tree-ssa.c (edge_var_maps): New definition.
10630         (redirect_edge_var_map_add): New.
10631         (redirect_edge_var_map_clear): New.
10632         (redirect_edge_var_map_dup): New.
10633         (redirect_edge_var_map_vector): New.
10634         (redirect_edge_var_map_destroy): New.
10635         (ssa_redirect_edge): Replace PENDING_STMT use with
10636         redirect_edge_var_map_*.
10637         (flush_pending_stmts): Same.
10638         (delete_tree_ssa): Destroy edge var map.
10639         * tree-flow.h (struct _edge_var_map): New.
10640         Define edge_var_map vector type.
10641         Declare redirect_edge_var_map_* prototypes.
10642         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
10643         * tree-cfg.c (reinstall_phi_args): Replace
10644         PENDING_STMT use with redirect_edge_var_map_*.
10646 2008-03-05  Richard Guenther  <rguenther@suse.de>
10648         PR tree-optimization/35472
10649         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
10650         whose single use_stmt has a overlapping set of loaded and
10651         stored symbols as that use_stmt might be a noop assignment then.
10653 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
10655         * gthr-rtems.h: Implement __gthread_mutex_destroy.
10657 2008-03-05  Richard Guenther  <rguenther@suse.de>
10659         PR c++/35336
10660         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
10661         should be constants.
10662         * tree-cfg.c (verify_expr): Verify it.
10663         * fold-const.c (fold_truthop): Remove code generating
10664         BIT_FIELD_REFs of structure bases.
10665         (fold_binary): Likewise.
10666         (fold_ternary): Position and size of BIT_FIELD_REFs are
10667         always host integers.
10668         (make_bit_field_ref): Remove.
10669         (optimize_bit_field_compare): Remove.
10670         (all_ones_mask_p): Remove.
10672 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
10674         PR gcc/33009
10675         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
10676         (split_block_and_df_analyze): New. Split basic block and rebuild
10677         dataflow.
10678         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
10679         SPLIT_BLOCK.
10680         (split_pattern_seq): Likewise.
10681         (erase_matching_seqs): Likewise.
10682         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
10684 2008-03-04  Geoff Keating  <geoffk@apple.com>
10686         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
10687         declaration and code.
10688         (tree_invalid_nonnegative_warnv_p): Likewise.
10690 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10692         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
10693         examples.  Truncate option-names then causing overfull hbox.
10695 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10697         PR target/35222
10698         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
10699         on hpux10.
10700         * configure: Rebuilt.
10702 2008-03-04  Rafael Espindola  <espindola@google.com>
10704         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
10705         (tree_unary_nonnegative_warnv_p): New.
10706         (tree_binary_nonnegative_warnv_p): New.
10707         (tree_single_nonnegative_warnv_p): New.
10708         (tree_invalid_nonnegative_warnv_p): New.
10709         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
10711 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10713         PR 28322
10714         * opts.c (handle_option): Postpone 'unknown option' errors only for
10715         warning options.
10717 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
10719         PR target/35453
10720         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
10721         (_SIDD_XXX): This.
10723 2008-03-04  Rafael Espindola  <espindola@google.com>
10725         * fold-const.c (tree_unary_nonzero_warnv_p): New.
10726         (tree_binary_nonzero_warnv_p): New.
10727         (tree_single_nonzero_warnv_p): New.
10728         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
10730 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
10732         PR middle-end/35456
10733         * fold-const.c (fold_cond_expr_with_comparison): Prevent
10734         transformations for modes that have signed zeros.
10735         * ifcvt.c (noce_try_abs): Ditto.
10737 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
10739         * config/i386/i386.c (override_options): Force
10740         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
10742 2008-03-04  Jan Hubicka  <jh@suse.cz>
10744         PR c++/35262
10745         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
10746         in last commit.
10748 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10750         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
10751         label to probe the stack.
10753 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
10755         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
10756         (__gthr_win32_mutex_destroy): Declare.
10757         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
10758         __gthr_win32_mutex_destroy.
10759         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
10761 2008-03-03  Jan Hubicka  <jh@suse.cz>
10763         PR c++/35262
10764         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
10765         aggressive on inlining cold calls.
10767 2008-03-03  Richard Guenther  <rguenther@suse.de>
10769         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
10770         struct copies into the expression table.
10771         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
10772         (try_to_simplify): Likewise.
10773         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
10774         integral and pointer arguments which do not change the
10775         precision to NOP_EXPRs.
10776         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
10777         VIEW_CONVERT_EXPR case.
10779 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
10781         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
10782         defined in a loop at depth 0 is invariant.
10783         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
10784         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
10785         be called at loop depth 0.
10787 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
10789         PR driver/35420
10790         * gcc.c (process_command): Update copyright notice dates.
10791         * gcov.c (print_version): Likewise.
10792         * gcov-dump.c (print_version): Likewise.
10793         * mips-tfile.c (main): Likewise.
10794         * mips-tdump.c (main): Likewise.
10796 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10798         PR 24924
10799         * c-common.c (flag_permissive): Delete.
10800         (constant_expression_warnings): Check flags first.
10801         (constant_expression_error): New.
10802         * c-common.h (flag_permissive): Delete.
10803         (constant_expression_error): Declare.
10804         * flags.h (flag_permissive): Declare. Update description.
10805         * diagnostic.c (pedwarn): Update.
10806         (permerror): New.
10807         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
10808         (permissive_error_kind): New.
10809         * toplev.c (flag_permissive): Define. Update description.
10810         * toplev.h (permissive_error_kind): Declare.
10811         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
10812         (pedwarn_c90): Use pedantic_warning_kind.
10813         * c-opts.c (c_common_post_options): flag_permissive does not affect
10814         flag_pedantic_errors.
10816 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
10818         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
10819         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
10820         __absvsi2, __absvDI2): Use unsigned arithmetic.
10822 2008-03-02  Andi Kleen  <ak@suse.de>
10823             Richard Guenther  <rguenther@suse.de>
10825         * struct-equiv.c: Remove file.
10826         * cfg_cleanup.c (condjump_equiv_p): Remove.
10827         * Makefile.in (OBJS-common): Remove struct-equiv.o.
10828         (struct-equiv.o): Remove rule.
10829         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
10830         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
10831         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
10833 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10835         * ifcvt.c (noce_process_if_block): Try to handle only the then
10836         block if the else block exists but isn't suitable.
10838 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10840         PR gcc/35063
10841         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
10842         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
10843         regression from previous patch.
10845 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
10847         PR gcc/35063
10848         * gthr.h: Add __gthread_mutex_destroy as a function that must be
10849         implemented.
10850         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
10851         * gthr-single.h (__gthread_mutex_destroy): Likewise.
10852         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
10853         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
10854         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
10855         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
10856         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
10857         (__gthread_mutex_destroy_function): Rename to
10858         __gthread_mutex_destroy.
10859         * gthr-dce.h (__gthread_mutex_destroy): Call
10860         pthread_mutex_destroy.
10861         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
10862         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
10863         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
10865 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10867         * df-scan.c (df_ref_chain_change_bb): Simplify.
10868         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
10869         set_block_for_insn if there's any change.
10870         * df.h ((df_insn_change_bb): Fix prototype.
10871         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
10872         df_insn_change_bb, don't call set_block_for_insn.
10873         * emit-rtl.c (reorder_insns): Likewise.
10874         * haifa-sched.c (move_insn): Likewise.
10876 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10878         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
10880 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
10882         * tree-flow-inline.h (next_readonly_imm_use): Return
10883         NULL_USE_OPERAND_P after the end.
10885 2008-03-01  Richard Guenther  <rguenther@suse.de>
10887         PR tree-optimization/35411
10888         * tree-sra.c (sra_build_assignment): Split conversion to
10889         final type to a separate statement if we are not assigning
10890         to a register.
10892 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10894         * fold-const.c (fold_convertible_p): Correct the logic to follow
10895         that in fold_convert().
10897 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
10899         PR c++/35315
10900         * tree-inline.c (build_duplicate_type): When we make a
10901         duplicate type, make it unique in the canonical types system.
10903 2008-02-29  Tom Tromey  <tromey@redhat.com>
10905         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
10906         input_file_stack_history, input_file_stack_restored): Remove.
10907         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10908         * input.h (struct file_stack): Remove.
10909         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
10910         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
10911         Likewise.
10912         * diagnostic.h (struct diagnostic_context) <last_module>: Change
10913         type.
10914         (diagnostic_last_module_changed): Add 'map' argument.
10915         (diagnostic_set_last_function): Likewise.
10916         * diagnostic.c (undiagnostic_report_current_module): Iterate using
10917         line map, not input_file_stack.
10918         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
10920 2008-02-29  Paul Brook  <paul@codesourcery.com>
10922         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
10924 2008-02-29  Paul Brook  <paul@codesourcery.com>
10926         * config/arm/ieee754-df.S (muldf3): Use RET macros.
10928 2008-02-29  Richard Guenther  <rguenther@suse.de>
10930         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
10931         vn_lookup_or_add.
10932         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
10933         value for comparing for a store match.
10934         (simplify_unary_expression): Do nothing for SSA_NAMEs.
10935         (try_to_simplify): Do not do a full-blown reference lookup.
10937 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10939         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
10940         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10942         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
10944 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
10946         * tree-loop-linear.c (try_interchange_loops): Compare memory access
10947         strides against cache sizes.
10949 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
10951         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
10952         constant to fpul.
10954 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
10956         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
10957         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
10958         is smaller than the original promoted value.
10959         (simplify_subreg): If OP is a SUBREG, try to preserve its
10960         SUBREG_PROMOTED_VAR_P information.
10962 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
10964         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
10965         (VN_INFO_GET): Allocate new objects on the obstack.
10966         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
10967         for rpo_numbers_temp, for consistency.
10968         (free_scc_vn): Free the obstack.
10970 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
10972         * doc/invoke.texi: Document -ftree-loop-distribution.
10973         * tree-loop-distribution.c: New.
10974         * tree-pass.h (pass_loop_distribution): New.
10975         * graphds.h (struct graph): Add htab_t indices.
10976         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
10977         * tree-vectorizer.c (rename_variables_in_loop): Extern.
10978         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
10979         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
10980         * tree-data-ref.c (debug_data_dependence_relations): New.
10981         (dump_data_dependence_relation): Also print data references.
10982         (free_data_ref): Extern.
10983         (same_access_functions): Moved...
10984         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
10985         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
10986         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
10987         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
10988         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
10989         (stmts_from_loop): Skip LABEL_EXPR.
10990         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
10991         New.
10992         (build_rdg): Initialize rdg->indices htab.
10993         (free_rdg, stores_from_loop, ref_base_address,
10994         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
10995         have_similar_memory_accesses_1, ref_base_address_1,
10996         remove_similar_memory_refs): New.
10997         * tree-data-ref.h: Depend on tree-chrec.h.
10998         (debug_data_dependence_relations, free_data_ref): Declared.
10999         (same_access_functions): ... here.
11000         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
11001         New.
11002         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
11003         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
11004         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
11005         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
11006         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
11007         rdg_vertex_for_stmt): Declared.
11008         (struct rdg_edge): Add level.
11009         (RDGE_LEVEL): New.
11010         (free_rdg, stores_from_loop, remove_similar_memory_refs,
11011         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
11012         Declared.
11013         (rdg_has_similar_memory_accesses): New.
11014         * tree-vect-analyze.c: Remove unused static decls.
11015         * lambda.h (dependence_level): New.
11016         * common.opt (ftree-loop-distribution): New.
11017         * tree-flow.h (mark_virtual_ops_in_bb, 
11018         slpeel_tree_duplicate_loop_to_edge_cfg,
11019         rename_variables_in_loop): Declared.
11020         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
11021         (OBJS-common): Add tree-loop-distribution.o.
11022         (tree-loop-distribution.o): New rule.
11023         * tree-cfg.c (mark_virtual_ops_in_bb): New.
11024         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
11025         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
11027 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
11029         PR target/33963
11030         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
11031         other than structures and unions.
11033 2008-02-28  Richard Guenther  <rguenther@suse.de>
11035         Revert:
11036         2008-02-26  Richard Guenther  <rguenther@suse.de>
11038         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
11039         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
11040         (lookup_decl_from_uid): Declare.
11041         (remove_decl_from_map): Likewise.
11042         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
11043         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
11044         (decl_for_uid_map): New global hashtable mapping DECL_UID
11045         to the decl tree.
11046         (init_ttree): Allocate it.
11047         (insert_decl_to_uid_decl_map): New helper function.
11048         (make_node_stat): Insert new decls into the map.
11049         (copy_node_stat): Likewise.
11050         (lookup_decl_from_uid): New function.
11051         (remove_decl_from_map): Likewise.
11052         (print_decl_for_uid_map_statistics): New helper.
11053         (dump_tree_statistics): Call it.
11055         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
11056         (referenced_var_iterator): Adjust.
11057         (FOR_EACH_REFERENCED_VAR): Adjust.
11058         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
11059         (num_referenced_vars): Adjust.
11060         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
11061         (first_referenced_var): Remove.
11062         (end_referenced_vars_p): Likewise.
11063         (next_referenced_var): Likewise.
11064         (referenced_var_iterator_set): New helper function.
11065         * tree-dfa.c (referenced_var_lookup): Adjust.
11066         (referenced_var_check_and_insert): Likewise.
11067         (remove_referenced_var): Likewise.
11068         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
11069         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11070         (verify_call_clobbering): Likewise.
11071         (verify_memory_partitions): Likewise.
11072         (init_tree_ssa): Allocate bitmap instead of hashtable for
11073         referenced_vars.
11074         (delete_tree_ssa): Adjust.
11075         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
11076         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11077         (compute_tag_properties): Likewise.
11078         (set_initial_properties): Likewise.
11079         (find_partition_for): Likewise.
11080         (update_reference_counts): Likewise.
11081         (dump_may_aliases_for): Likewise.
11082         * tree-ssa-operands.c (add_virtual_operand): Likewise.
11083         (add_call_clobber_ops): Likewise.
11084         (add_call_read_ops): Likewise.
11085         (get_asm_expr_operands): Likewise.
11086         * tree-into-ssa.c (dump_decl_set): Likewise.
11087         (update_ssa): Likewise.
11088         * tree-sra.c (scan_function): Likewise.
11089         (decide_instantiations): Likewise.
11090         (scalarize_parms): Likewise.
11091         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
11092         (dsa_named_for): Likewise.
11093         * tree-ssa-structalias.c (update_alias_info): Likewise.
11094         (merge_smts_into): Likewise.
11096 2008-02-27  David Daney  <ddaney@avtrex.com>
11098         PR target/34409
11099         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
11100         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
11101         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
11102         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
11103         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
11105 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
11107         PR target/25477
11108         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
11109         (BUILT_IN_NEXTTOWARD): Remove.
11110         (BUILT_IN_NEXTTOWARDF): Ditto.
11111         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
11112         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
11114 2008-02-27  Tom Tromey  <tromey@redhat.com>
11116         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
11117         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
11119 2008-02-27  Jan Beulich  <jbeulich@novell.com>
11121         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
11122         update the respective field on newdecl.
11124 2008-02-27  Revital Eres  <eres@il.ibm.com>
11126         PR rtl-optimization/34999
11127         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
11128         crossing edges that ends with a call insn.
11129         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
11130         call insn and clear the EDGE_CROSSING flag of the crossing edge
11131         when fixing fallthru edges.
11133 2008-02-27  Richard Guenther  <rguenther@suse.de>
11135         PR middle-end/35390
11136         * fold-const.c (fold_unary): Return the correct argument,
11137         converted to the result type.
11139 2008-02-27  Richard Guenther  <rguenther@suse.de>
11141         PR middle-end/34971
11142         * expr.c (expand_expr_real_1): Assert on rotates that operate
11143         on partial modes.
11144         * fold-const.c (fold_binary): Use the types precision, not the
11145         bitsize of the mode if folding rotate expressions.  Build rotates
11146         only for full modes.
11148 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
11150         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
11151         and CPP_PRAGMA_EOL.
11152         * c-pragma.c (pragma_ns_name): New typedef.
11153         (registered_pp_pragmas): New variable.
11154         (c_pp_lookup_pragma): New function.
11155         (c_register_pragma_1): If flag_preprocess_only, do nothing
11156         for non-expanded pragmas, for expanded ones push pragma's
11157         namespace and name into registered_pp_pragmas vector.
11158         (c_invoke_pragma_handler): Register OpenMP pragmas even when
11159         flag_preprocess_only, don't register GCC pch_preprocess
11160         pragma if flag_preprocess_only.
11161         * c-opts.c (c_common_init): Call init_pragma even if
11162         flag_preprocess_only.
11163         * c-pragma.c (c_pp_lookup_pragma): New prototype.
11164         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
11165         cpp_register_pragma if flag_preprocess_only.
11167 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11169         PR c/28800
11170         * c-parser.c (c_parser_translation_unit): Warn for empty
11171         translation unit, not empty source file.
11173 2008-02-26  Paul Brook  <paul@codesourcery.com>
11175         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
11176         operand for Thumb-2.
11177         * config/arm/arm.h (reg_class): Add CORE_REGS.
11178         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
11179         (BASE_REG_CLASS): Use CORE_REGS.
11180         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
11181         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
11182         (REGNO_OK_FOR_INDEX_P): Exclude SP.
11183         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
11184         ARM_REGNO_OK_FOR_INDEX_P.
11185         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
11186         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
11187         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
11188         (ldm/stm peepholes): Ditto.
11189         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
11190         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
11191         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
11192         * config/arm/constraints.md: Enable "k" constraint on ARM.
11194 2008-02-27  Ben Elliston  <bje@au.ibm.com>
11196         * config/rs6000/rs6000.c: Annotate cache line size field in all
11197         instances of struct processor_costs.
11199 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
11201         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
11202         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
11203         jump_bypass): New counters.
11204         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
11205         * dce.c (gate_ud_dce): Same.
11206         (gate_fast_dce): Same.
11207         * dse.c (gate_dse1): New function.
11208         (gate_dse2): New function.
11209         (gate_dse): Merge results of new gate functions.
11210         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
11211         (gate_handle_jump_bypass): Add dbg_cnt.
11212         (gate_handle_gcse): Add dbg_cnt.
11213         * ifcvt.c (gate_handle_if_conversion): Same.
11214         (gate_handle_if_after_combine): Same.
11215         (gate_handle_if_after_reload): Same.
11216         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
11218 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
11220         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
11221         line sizes.
11222         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
11224 2008-02-26  Jason Merrill  <jason@redhat.com>
11226         PR c++/35315
11227         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
11228         alone if it's the naming decl for the type's main variant.
11230 2008-02-26  Tom Tromey  <tromey@redhat.com>
11232         * system.h (USE_MAPPED_LOCATION): Poison.
11233         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
11234         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
11235         (make_goto_expr_edges): Likewise.
11236         (remove_bb): Likewise.
11237         (execute_warn_function_return): Likewise.
11238         * basic-block.h (struct edge_def) <goto_locus>: Change type to
11239         location_t.
11240         * c-common.c (fname_decl): Remove old location code.
11241         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
11242         location code.
11243         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
11244         variant.
11245         (ASM_INPUT_SOURCE_LOCATION): Likewise.
11246         (gen_rtx_ASM_INPUT): Likewise.
11247         (gen_rtx_ASM_INPUT_loc): Likewise.
11248         (get_rtx_asm_OPERANDS): Remove.
11249         * cfglayout.c (insn_locators_alloc): Remove old location code.
11250         (set_curr_insn_source_location): Likewise.
11251         (curr_insn_locator): Likewise.
11252         * print-tree.c (print_node): Remove old location code.
11253         * tree-mudflap.c (mf_varname_tree): Remove old location code.
11254         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
11255         * cfgexpand.c (expand_gimple_cond_expr): Don't use
11256         location_from_locus.
11257         (construct_exit_block): Remove old location code.
11258         * emit-rtl.c (force_next_line_note): Remove old location code.
11259         * profile.c (branch_prob): Remove old location code.
11260         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
11261         LOC_LINE): Remove old-location variants.
11262         * langhooks.c (lhd_print_error_function): Remove old location
11263         code.
11264         * configure, config.in: Rebuilt.
11265         * configure.ac (--enable-mapped-location): Remove.
11266         * c-decl.c (c_init_decl_processing): Remove old location code.
11267         (finish_function): Likewise.
11268         * recog.c (decode_asm_operands): Remove old location code.
11269         * c-pch.c (c_common_read_pch): Remove old location code.
11270         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
11271         variants.
11272         * gimple-low.c (lower_function_body): Remove old location code.
11273         * toplev.c (unknown_location): Remove.
11274         (push_srcloc): Remove old-location variant.
11275         (process_options): Remove old location code.
11276         (lang_dependent_init): Likewise.
11277         * input.h (UNKNOWN_LOCATION): Move definition.
11278         (location_t): Undeprecate.
11279         (source_locus): Remove.
11280         (location_from_locus): Remove.
11281         (struct location_s): Remove.
11282         Remove all old-location code.
11283         (input_line, input_filename): Remove.
11284         * final.c (final_scan_insn): Remove old location code.
11285         * diagnostic.c (diagnostic_build_prefix): Remove
11286         USE_MAPPED_LOCATION test.
11287         * tree.h (gimple_stmt) <locus>: Now a location_t.
11288         (tree_exp) <locus>: Likewise.
11289         (DECL_IS_BUILTIN): Remove old-location variant.
11290         (annotate_with_file_line, annotate_with_locus): Likewise.
11291         (expr_locus, set_expr_locus): Update.
11292         * tree.c (build1_stat): Remove old location code.
11293         (last_annotated_node): Remove.
11294         (annotate_with_file_line): Remove old-location variant.
11295         (annotate_with_locus): Likewise.
11296         (expr_location): Remove old location code.
11297         (set_expr_location): Likewise.
11298         (expr_has_location): Likewise.
11299         (expr_locus): Likewise.
11300         (set_expr_locus): Likewise.
11301         (expr_filename): Don't use location_from_locus.
11302         (expr_lineno): Likewise.
11303         * rtl-error.c (location_for_asm): Remove old location code.
11304         * c-lex.c (cb_line_change): Remove old location code.
11305         (fe_file_change): Likewise.
11306         (cb_def_pragma): Likewise.
11307         (c_lex_with_flags): Likewise.
11308         * gengtype.c (do_typedef): Don't special-case location types.
11309         (define_location_structures): Remove.
11310         (main): Don't call define_location_structures.
11311         * tree-pretty-print.c (dump_implicit_edges): Remove old location
11312         code.
11314 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11316         PR 26264
11317         * builtins.def (BUILT_IN_STDARG_START): Remove.
11318         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
11319         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
11320         * tree-inline.c (inline_forbidden_p_1): Likewise.
11321         
11322 2008-02-26  Richard Guenther  <rguenther@suse.de>
11324         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
11325         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
11326         (lookup_decl_from_uid): Declare.
11327         (remove_decl_from_map): Likewise.
11328         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
11329         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
11330         (decl_for_uid_map): New global hashtable mapping DECL_UID
11331         to the decl tree.
11332         (init_ttree): Allocate it.
11333         (insert_decl_to_uid_decl_map): New helper function.
11334         (make_node_stat): Insert new decls into the map.
11335         (copy_node_stat): Likewise.
11336         (lookup_decl_from_uid): New function.
11337         (remove_decl_from_map): Likewise.
11338         (print_decl_for_uid_map_statistics): New helper.
11339         (dump_tree_statistics): Call it.
11341         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
11342         (referenced_var_iterator): Adjust.
11343         (FOR_EACH_REFERENCED_VAR): Adjust.
11344         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
11345         (num_referenced_vars): Adjust.
11346         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
11347         (first_referenced_var): Remove.
11348         (end_referenced_vars_p): Likewise.
11349         (next_referenced_var): Likewise.
11350         (referenced_var_iterator_set): New helper function.
11351         * tree-dfa.c (referenced_var_lookup): Adjust.
11352         (referenced_var_check_and_insert): Likewise.
11353         (remove_referenced_var): Likewise.
11354         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
11355         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11356         (verify_call_clobbering): Likewise.
11357         (verify_memory_partitions): Likewise.
11358         (init_tree_ssa): Allocate bitmap instead of hashtable for
11359         referenced_vars.
11360         (delete_tree_ssa): Adjust.
11361         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
11362         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11363         (compute_tag_properties): Likewise.
11364         (set_initial_properties): Likewise.
11365         (find_partition_for): Likewise.
11366         (update_reference_counts): Likewise.
11367         (dump_may_aliases_for): Likewise.
11368         * tree-ssa-operands.c (add_virtual_operand): Likewise.
11369         (add_call_clobber_ops): Likewise.
11370         (add_call_read_ops): Likewise.
11371         (get_asm_expr_operands): Likewise.
11372         * tree-into-ssa.c (dump_decl_set): Likewise.
11373         (update_ssa): Likewise.
11374         * tree-sra.c (scan_function): Likewise.
11375         (decide_instantiations): Likewise.
11376         (scalarize_parms): Likewise.
11377         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
11378         (dsa_named_for): Likewise.
11379         * tree-ssa-structalias.c (update_alias_info): Likewise.
11380         (merge_smts_into): Likewise.
11382 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11384         PR 34351
11385         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
11386         * c-opts.c (c_common_handle_option): Wall enables
11387         Wvolatile-register-var.
11388         * common.opt: Move Wvolatile-register-var to...
11389         * c.opt: ...here.
11390         
11391 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11393         * common.opt (Wlarger-than=): New.
11394         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
11395         -Wlarger-than=.
11396         * opts.c (common_handle_option): Handle -Wlarger-than=.
11397         * optc-gen.awk: Likewise.
11398         * opth-gen.awk: Likewise.
11399         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
11400         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11401         
11402 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11404         * c-common.c (match_case_to_enum_1): Add appropriate
11405         OPT_W* parameter to warning.
11406         (c_do_switch_warnings): Likewise.
11407         * c-typeck.c (warning_init): Add one more parameter following
11408         'warning' function.
11409         (push_init_level): Update call to warning_init.
11410         (pop_init_level): Likewise.
11411         (add_pending_init): Likewise.
11412         (output_init_element: Likewise.
11414 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11416         PR 28322
11417         * toplev.c (toplev_main): If there are warnings or error, print
11418         errors for ignored options.
11419         * opts.c (ignored_options): New static variable.
11420         (postpone_unknown_option_error): New.
11421         (print_ignored_options): New.
11422         (handle_option): Postpone errors for unknown -Wno-* options.
11423         * opts.h (print_ignored_options): Declare.
11424         
11425 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
11427         * config/mips/mips.md (loadgp_blockage, blockage): Change type
11428         to "ghost".
11430 2008-02-25  Richard Guenther  <rguenther@suse.de>
11432         Revert:
11433         2008-02-25  Richard Guenther  <rguenther@suse.de>
11435         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
11436         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
11437         (lookup_decl_from_uid): Declare.
11438         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
11439         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
11440         (decl_for_uid_map): New global hashtable mapping DECL_UID
11441         to the decl tree.
11442         (init_ttree): Allocate it.
11443         (insert_decl_to_uid_decl_map): New helper function.
11444         (make_node_stat): Insert new decls into the map.
11445         (copy_node_stat): Likewise.
11446         (lookup_decl_from_uid): New function.
11447         (print_decl_for_uid_map_statistics): New helper.
11448         (dump_tree_statistics): Call it.
11450         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
11451         (referenced_var_iterator): Adjust.
11452         (FOR_EACH_REFERENCED_VAR): Adjust.
11453         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
11454         (num_referenced_vars): Adjust.
11455         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
11456         (first_referenced_var): Remove.
11457         (end_referenced_vars_p): Likewise.
11458         (next_referenced_var): Likewise.
11459         (referenced_var_iterator_set): New helper function.
11460         * tree-dfa.c (referenced_var_lookup): Adjust.
11461         (referenced_var_check_and_insert): Likewise.
11462         (remove_referenced_var): Likewise.
11463         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
11464         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11465         (verify_call_clobbering): Likewise.
11466         (verify_memory_partitions): Likewise.
11467         (init_tree_ssa): Allocate bitmap instead of hashtable for
11468         referenced_vars.
11469         (delete_tree_ssa): Adjust.
11470         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
11471         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11472         (compute_tag_properties): Likewise.
11473         (set_initial_properties): Likewise.
11474         (find_partition_for): Likewise.
11475         (update_reference_counts): Likewise.
11476         (dump_may_aliases_for): Likewise.
11477         * tree-ssa-operands.c (add_virtual_operand): Likewise.
11478         (add_call_clobber_ops): Likewise.
11479         (add_call_read_ops): Likewise.
11480         (get_asm_expr_operands): Likewise.
11481         * tree-into-ssa.c (dump_decl_set): Likewise.
11482         (update_ssa): Likewise.
11483         * tree-sra.c (scan_function): Likewise.
11484         (decide_instantiations): Likewise.
11485         (scalarize_parms): Likewise.
11486         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
11487         (dsa_named_for): Likewise.
11488         * tree-ssa-structalias.c (update_alias_info): Likewise.
11489         (merge_smts_into): Likewise.
11491 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
11493         PR fortran/29549
11494         * doc/invoke.texi (-fcx-limited-range): Document new option.
11495         * toplev.c (process_options): Handle -fcx-fortran-rules.
11496         * common.opt: Add documentation for -fcx-fortran-rules.
11498 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
11500         PR c/35162
11501         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
11502         actual behaviour and C99.
11503         
11504 2008-02-26  Ben Elliston  <bje@au.ibm.com>
11506         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
11507         (ASM_CPU_POWER6_SPEC): Likewise.
11508         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
11509         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
11510         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
11512 2008-02-25  Richard Guenther  <rguenther@suse.de>
11514         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
11515         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
11516         (lookup_decl_from_uid): Declare.
11517         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
11518         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
11519         (decl_for_uid_map): New global hashtable mapping DECL_UID
11520         to the decl tree.
11521         (init_ttree): Allocate it.
11522         (insert_decl_to_uid_decl_map): New helper function.
11523         (make_node_stat): Insert new decls into the map.
11524         (copy_node_stat): Likewise.
11525         (lookup_decl_from_uid): New function.
11526         (print_decl_for_uid_map_statistics): New helper.
11527         (dump_tree_statistics): Call it.
11529         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
11530         (referenced_var_iterator): Adjust.
11531         (FOR_EACH_REFERENCED_VAR): Adjust.
11532         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
11533         (num_referenced_vars): Adjust.
11534         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
11535         (first_referenced_var): Remove.
11536         (end_referenced_vars_p): Likewise.
11537         (next_referenced_var): Likewise.
11538         (referenced_var_iterator_set): New helper function.
11539         * tree-dfa.c (referenced_var_lookup): Adjust.
11540         (referenced_var_check_and_insert): Likewise.
11541         (remove_referenced_var): Likewise.
11542         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
11543         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11544         (verify_call_clobbering): Likewise.
11545         (verify_memory_partitions): Likewise.
11546         (init_tree_ssa): Allocate bitmap instead of hashtable for
11547         referenced_vars.
11548         (delete_tree_ssa): Adjust.
11549         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
11550         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
11551         (compute_tag_properties): Likewise.
11552         (set_initial_properties): Likewise.
11553         (find_partition_for): Likewise.
11554         (update_reference_counts): Likewise.
11555         (dump_may_aliases_for): Likewise.
11556         * tree-ssa-operands.c (add_virtual_operand): Likewise.
11557         (add_call_clobber_ops): Likewise.
11558         (add_call_read_ops): Likewise.
11559         (get_asm_expr_operands): Likewise.
11560         * tree-into-ssa.c (dump_decl_set): Likewise.
11561         (update_ssa): Likewise.
11562         * tree-sra.c (scan_function): Likewise.
11563         (decide_instantiations): Likewise.
11564         (scalarize_parms): Likewise.
11565         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
11566         (dsa_named_for): Likewise.
11567         * tree-ssa-structalias.c (update_alias_info): Likewise.
11568         (merge_smts_into): Likewise.
11570 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
11572         PR target/35258
11573         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
11574         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
11575         * alias.h (nonoverlapping_memrefs_p): Likewise.
11577 2008-02-25  Jan Beulich  <jbeulich@novell.com>
11579         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
11580         * config/i386/netware-libgcc.exp: Add __bswap?i2,
11581         __emultls_get_address, __emultls_register_common,
11582         __floatundi?f, and _Unwind_GetIPInfo.
11583         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
11584         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
11585         (gen_regparm_prefix): Likewise.
11586         (i386_nlm_encode_section_info): Sync with
11587         config/i386/winnt.c:i386_pe_encode_section_info().
11588         (i386_nlm_maybe_mangle_decl_assembler_name): New.
11589         i386_nlm_mangle_decl_assembler_name): New.
11590         (netware_override_options): New.
11591         * config/i386/netware.h (netware_override_options): Declare.
11592         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
11593         (i386_nlm_mangle_decl_assembler_name): Declare.
11594         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
11596 2008-02-25  Ben Elliston  <bje@au.ibm.com>
11598         PR other/32948
11599         * c-decl.c (grokdeclarator): Remove unused local variables
11600         `typedef_type' and `type_as_written'.
11601         * bb-reorder.c
11602         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
11603         unused local variable `has_hot_blocks'.
11604         (fix_crossing_conditional_branches): Remove unused local variable
11605         `prev_bb'.
11606         
11607 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
11609         PR middle-end/19984
11610         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
11611         using DEF_C99_BUILTIN.
11612         (BUILT_IN_NANF): Ditto.
11613         (BUILT_IN_NANL): Ditto.
11615 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
11616             Revital Eres  <eres@il.ibm.com>
11618         * modulo-sched.c (calculate_must_precede_follow): Address TODO
11619         regarding the order of two dependent insns in the same row.
11621 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
11623         * stor-layout.c (layout_decl): Do not bump the alignment of a
11624         bit-field to more than byte alignment if it is packed.
11626 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
11628         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
11629         e300c2 and e300c3.
11631 2008-02-24  Diego Novillo  <dnovillo@google.com>
11633         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
11635         PR 33738
11636         * tree-vrp.c (vrp_evaluate_conditional): With
11637         -Wtype-limits, emit a warning when comparing against a
11638         constant outside the natural range of OP0's type.
11639         * c.opt (Wtype-limits): Move ...
11640         * common.opt (Wtype-limits): ... here.
11642 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
11644         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
11645         * config/rs6000/e300c2c3.md: New file.
11646         * config/rs6000/rs6000.c (processor_costs): Add new costs for
11647         e300c2 and e300c3.
11648         (rs6000_override_options): Add e300c2 and e300c3 cases to
11649         processor_target_table. Do not allow usage of Altivec or Spe
11650         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
11651         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
11652         * config/rs6000/rs6000.h (processor_type): Add
11653         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
11654         (ASM_CPU_SPEC): Add e300c2 and e300c3.
11655         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
11656         and ppce300c3. Include e300c2c3.md.
11658 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
11660         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
11661         instead of TARGET_STRICT_ALIGN.
11663 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
11665         * explow.c (memory_address): Assert that the generated address is
11666         valid.
11668 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
11670         PR target/25477
11671         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
11672         * config/darwin-ppc-ldouble-patch.def: New file.
11673         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
11674         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
11675         SUBTARGET_INIT_BUILTINS if defined.
11676         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
11677         New functions.
11679 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11681         PR rtl-opt/33512
11682         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
11683         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
11685 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11687         PR pch/35027
11688         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
11689         file" warning condtional on -Winvalid-PCH.
11691 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11693         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
11695 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
11697         PR target/22076
11698         PR target/34256 
11699         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
11700         prevent reload from using MMX registers.
11701         (*mov<mode>_internal): Ditto.
11702         (*movv2sf_internal_rex64): Ditto.
11703         (*movv2sf_internal): Ditto.
11705 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11707         PR documentation/31569
11708         * doc/install.texi2html: Use makeinfo --no-number-sections.
11710 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11712         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
11713         ensure that we can address an entire entity > 8 bytes.  Don't
11714         generate reg+reg addressing for such data.
11716 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11718         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
11719         strings when optimizing for size, unless the target cares about
11720         alignment.
11722 2008-02-22  Tom Tromey  <tromey@redhat.com>
11724         * regclass.c (current_pass): Remove declaration.
11726 2008-02-22  Anatoly Sokolov <aesok@post.ru>
11728         * config/avr/libgcc.S (__RAMPZ__): Define.
11729         (__do_copy_data): Add for devices with 128KB code memory.
11731 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
11733         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
11734         Use spe_abi.
11735         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
11737 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
11739         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
11740         GENNONACR_REGS.
11742 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11744         PR c/19999
11745         * c-typeck.c (build_binary_op): Warn about floating point
11746         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
11748 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
11750         PR target/34526
11751         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
11752         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
11753         add vrsave.
11754         (rs6000_override_options): Set altivec_abi as default, not override,
11755         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
11756         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
11757         is used; use new member spe_abi.
11758         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
11759         spe_abi and altivec_abi.
11761 2008-02-22  Tomas Bily  <tbily@suse.cz>
11763         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
11765 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11767         PR bootstrap/35273
11768         * config.build (build_file_translate): Set to `CMD //c' only if
11769         it works.
11770         * Makefile.in (build_file_translate): Improve comment.
11772 2008-02-21  Jan Hubicka  <jh@suse.cz>
11774         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
11775         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
11776         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
11778 2008-02-21  Michael Matz  <matz@suse.de>
11780         PR target/35264
11781         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
11783 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
11785         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
11786         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
11787         as insn constraint.
11788         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
11789         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
11790         SSE_VEC_FLOAT_MODE_P as insn constraint.
11791         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
11792         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
11793         sse4a_movntdf using MODEF mode iterator.
11794         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
11795         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
11796         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
11797         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
11798         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
11799         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
11800         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
11802 2008-02-21  Richard Guenther  <rguenther@suse.de>
11804         * tree.def (PAREN_EXPR): New tree code.
11805         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
11806         and PAREN_EXPR.
11807         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
11808         * expr.c (expand_expr_real_1): Likewise.
11809         * tree-inline.c (estimate_num_insns_1): Likewise.
11810         * tree-complex.c (expand_complex_move): Likewise.
11811         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
11812         as plain x.
11814 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11816         PR target/35225
11817         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
11819 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11821         PR target/35190
11822         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
11824         * config/sh/sh.c (find_barrier): Don't go past
11825         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
11827 2008-02-20  DJ Delorie  <dj@redhat.com>
11829         * config/h8300/h8300.md (insv): Force source operand to be a register.
11831         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
11832         as a jump, not as a plain insn.
11833         
11834 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
11836         * doc/invoke.texi (Warning Options): Add new option
11837         -Wframe-larger-than=.
11838         (-Wframe-larger-than): Document.
11840         * flags.h (warn_frame_larger_than, frame_larger_than_size):
11841         Add declarations for new option variables.
11843         * final.c (final_start_function): Check the frame size
11844         before emission and issue a Wframe-larger-than warning.
11846         * opts.c (warn_frame_larger_than, frame_larger_than_size):
11847         Add definitions for new option variables.
11848         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
11850         * common.opt (Wframe-larger-than=): New option.
11852 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11854         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
11855         (<sse>_div<mode>3): Ditto.
11856         (<sse>_vmdiv<mode>3): Ditto.
11857         (<sse>_vmsqrt<mode>2): Ditto.
11858         (*smax<mode>3): Ditto.
11859         (sse5_frcz<mode>2): Ditto.
11860         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
11861         as insn constraint.
11863 2008-02-20  Richard Guenther  <rguenther@suse.de>
11865         PR middle-end/35265
11866         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
11867         be happy with INTEGRAL_TYPE_P.
11869 2008-02-20  Richard Guenther  <rguenther@suse.de>
11871         * fold-const.c (split_tree): Associate floatig-point expressions
11872         if flag_associative_math is set.
11874 2008-02-20  Richard Guenther  <rguenther@suse.de>
11876         * tree.h (fold_real_zero_addition_p): Declare.
11877         * fold-const.c (fold_real_zero_addition_p): Export.
11878         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
11879         floating-point operations with zero and one.
11881 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
11883         * doc/install.texi: Correct references to CFLAGS, replacing them
11884         with BOOT_CFLAGS.  Document flags used during bootstrap for
11885         target libraries.
11886                                 
11887 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
11889         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
11890         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
11891         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
11892         insn constraint.
11893         (smin<mode>3): Ditto from similar patterns.
11894         (smax<mode>3): Ditto.
11895         (*ieee_smin<mode>3): Ditto.
11896         (*ieee_smax<mode>3): Ditto.
11897         * config/i386/sse.md (sse): New mode attribute.
11898         (mov<mode>): Macroize expander from movv4sf and movv2df using
11899         SSEMODEF2P mode iterator.
11900         (<sse>_movnt<mode>): Ditto from similar patterns. Use
11901         SSE_VEC_FLOAT_MODE_P as insn constraint.
11902         (storent<mode>): Ditto.
11903         (storent<mode>): Macroize expander from storentsf and storentdf using
11904         MODEF mode iterator.
11905         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
11906         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
11907         (abs<mode>2): Ditto from similar patterns.
11908         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
11909         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
11910         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
11911         (<sse>_vmsqrt<mode>2): Ditto.
11912         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
11913         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
11914         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
11915         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
11916         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
11917         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
11918         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
11919         insn constraint.
11920         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
11921         iterator and SSE_FLOAT_MODE_P as insn constraint.
11922         (<sse>_ucomi): Ditto from similar patterns.
11923         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
11924         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
11925         SSE_VEC_FLOAT_MODE_P as insn constraint.
11926         (vcond<mode>): Ditto from similar patterns.
11927         (and<mode>3, *and<mode>3): Ditto.
11928         (<sse>_nand<mode>3): Ditto.
11929         (ior<mode>3, *ior<mode>3): Ditto.
11930         (xor<mode>3, *xor<mode>3): Ditto.
11931         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
11932         iterator and SSE_FLOAT_MODE_P as insn constraint.
11933         (*nand<mode>3): Ditto from similar patterns.
11934         (*ior<mode>3): Ditto.
11935         (*xor<mode>3): Ditto.
11937 2008-02-20  Ira Rosen  <irar@il.ibm.com>
11939         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
11940         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
11941         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
11943 2008-02-19  Jan Hubicka  <jh@suse.cz>
11945         * predict.c (tree_bb_level_predictions): Remove variable next
11946         mistakely introduced by previous commit.
11948 2008-02-19  Jan Hubicka  <jh@suse.cz>
11950         * predict.c (predict_paths_leading_to): Rewrite.
11951         (predict_paths_for_bb): New.
11952         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
11954 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11956         PR bootstrap/35218
11957         * Makefile.in (build_file_translate): New.
11958         (gcc-vers.texi): Use it for translating $(abs_srcdir).
11959         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
11960         * configure.ac (build_file_translate): Substitute it.
11961         * configure: Regenerate.
11963 2008-02-19  Jan Hubicka  <jh@suse.cz>
11965         PR rtl-optimization/34408
11966         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
11967         invalid sharing.
11969 2008-02-19  Jan Hubicka  <jh@suse.cz>
11971         PR middle-end/28779
11972         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
11973         call_expr.
11975 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
11977         PR Ada/35186
11978         * config/i386/i386-modes.def: Revert the last DI alignment
11979         change until Ada people can look into it.
11981 2008-02-19  Nick Clifton  <nickc@redhat.com>
11983         * opts.c (print_specific_help): Fix typo in --help text.
11985 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
11987         PR target/35239
11988         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
11989         32-bit inline asm without asm alternatives for host GCC < 3.0.
11991 2008-02-19  Richard Guenther  <rguenther@suse.de>
11993         PR tree-optimization/34989
11994         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
11995         Allow propagation to INDIRECT_REF if we can simplify only.
11997 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11999         * c-common.c (warn_for_collisions_1): Use appropriate option when
12000         warning.
12002 2008-02-19  Nick Clifton  <nickc@redhat.com>
12004         PR other/31349
12005         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
12006         (handle_options): Fix indentation.
12007         (print_filtered_help): If no language-specific options were
12008         displayed tell the user how to list all the options supported by
12009         the language's front-end.
12010         (print_specific_help): Fix indentation and remove duplicate line.
12011         (common_handle_option): Handle the -v option.
12012         For --help enable the display of undocumented options if the -v
12013         switch has been included on the command line.
12014         For --help= check for overlaps in the arguments between the option
12015         classes and the language names and issue a warning when they
12016         cannot be disambiguated.
12017         * c.opt (v): Pass on to the common option handler.
12019 2008-02-19  Revital Eres  <eres@il.ibm.com> 
12021         * modulo-sched.c (sms_schedule): Change dump message when
12022         create_ddg function fails.
12023         (try_scheduling_node_in_cycle): Rename row to cycle.
12024         (print_partial_schedule): Rename CYCLE to ROW.
12026 2008-02-19  Christian Bruel  <christian.bruel@st.com>
12027             Zdenek Dvorak  <ook@ucw.cz>
12029         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
12031 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
12033         PR target/33555
12034         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
12035         (*x86_movdicc_0_m1_se): Ditto.
12037 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
12039         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
12040         (CMPtype): Define as __gcc_CMPtype.
12041         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
12042         (CMPtype): Define as __gcc_CMPtype.
12044 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
12046         Support valgrind 3.3 for --enable-checking=valgrind.
12047         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
12048         here.
12049         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
12050         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
12051         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
12052         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
12053         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
12054         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
12055         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
12056         respectively.
12057         * ggc-zone.c: Similar.
12058         * ggc-page.c: Similar.
12060 2008-02-19  Paul Brook  <paul@codesourcery.com>
12062         PR target/35071
12063         * config/arm/ieee754-df.S: Fix do_it typo.
12064         * config/arm/ieee754-sf.S: Fix do_it typo.
12066 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
12068         PR target/35189
12069         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
12070         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
12071         (OPTION_MASK_ISA_SSE_SET): Likewise.
12072         (OPTION_MASK_ISA_SSE2_SET): Likewise.
12073         (OPTION_MASK_ISA_SSE3_SET): Likewise.
12074         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
12075         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
12076         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
12077         (OPTION_MASK_ISA_SSE4_SET): Likewise.
12078         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
12079         (OPTION_MASK_ISA_SSE5_SET): Likewise.
12080         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
12081         (OPTION_MASK_ISA_MMX_UNSET): Updated.
12082         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
12083         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
12084         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
12085         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
12086         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
12087         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
12088         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
12089         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
12090         (OPTION_MASK_ISA_SSE4): Removed.
12091         (ix86_handle_option): Turn on bits in ix86_isa_flags and
12092         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
12093         (override_options): Don't turn on implied SSE/MMX bits in
12094         ix86_isa_flags.
12096 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
12098         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
12099         32bit host.
12101 2008-02-18  Joey Ye  <joey.ye@intel.com>
12103         PR middle-end/34921
12104         * tree-nested.c (insert_field_into_struct): Set type alignment
12105         to field alignment if the former is less than the latter.
12107 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
12109         * BASE-VER: Set to 4.4.0.
12111 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12113         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
12114         * doc/cfg.texi: Likewise.
12115         * doc/extend.texi: Likewise.
12116         * doc/gty.texi: Likewise.
12117         * doc/invoke.texi: Likewise.
12118         * doc/loop.texi: Likewise.
12119         * doc/md.texi: Likewise.
12120         * doc/passes.texi: Likewise.
12121         * doc/rtl.texi: Likewise.
12122         * doc/sourcebuild.texi: Likewise.
12123         * doc/tm.texi: Likewise.
12124         * doc/tree-ssa.texi: Likewise.
12126 2008-02-17  Richard Guenther  <rguenther@suse.de>
12128         PR middle-end/35227
12129         * tree-complex.c (init_parameter_lattice_values): Handle parameters
12130         without default definition.
12132 2008-02-17  Richard Guenther  <rguenther@suse.de>
12134         PR tree-optimization/35231
12135         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
12136         if A | B != 1.
12138 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
12140         Revert:
12141         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
12142         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
12143         libgcc_cmp_return mode.
12145 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12147         PR c/28368
12148         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
12150 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
12152         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
12153         multilibs.
12155 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12157         * doc/c-tree.texi: Use `@.' where appropriate.
12158         * doc/extend.texi: Likewise.
12159         * doc/install.texi: Likewise.
12160         * doc/invoke.texi: Likewise.
12161         * doc/loop.texi: Likewise.
12162         * doc/makefile.texi: Likewise.
12163         * doc/md.texi: Likewise.
12164         * doc/passes.texi: Likewise.
12165         * doc/standards.texi: Likewise.
12166         * doc/tm.texi: Likewise.
12168 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
12170         PR middle-end/35196
12171         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
12172         in entry_bb.
12173         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
12174         rather than in entry_bb.
12176 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
12178         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
12179         libgcc_cmp_return mode.
12181 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
12183         PR middle-end/35130
12184         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
12185         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
12187 2008-02-15  Richard Guenther  <rguenther@suse.de>
12188             Zdenek Dvorak  <ook@ucw.cz>
12190         PR tree-optimization/35164
12191         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
12192         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
12193         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
12194         Only propagate addresses which do not have abnormal SSA_NAMEs
12195         in their operands.
12197 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
12199         PR target/35088
12200         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
12202 2008-02-15  Jan Hubicka  <jh@suse.cz>
12204         PR middle-end/35149
12205         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
12207 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
12209         PR middle-end/34621
12210         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
12211         when calculating alignment_pad.
12213 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
12215         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
12216         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
12217         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
12218         and STACK_BOUNDARY define.
12220 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
12222         PR preprocessor/35061
12223         * c-pragma.c (handle_pragma_pop_macro): Check that
12224         pushed_macro_table has been allocated.
12226 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
12228         PR middle-end/35136
12229         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
12230         (force_gimple_operand): Likewise.
12231         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
12232         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
12233         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
12234         (find_interesting_uses_address): Check addressability and alignment
12235         of the base expression only after substituting bases of IVs into it.
12237 2008-02-14  Michael Matz  <matz@suse.de>
12239         PR target/34930
12240         * function.c (instantiate_virtual_regs_in_insn): Reload address
12241         before falling back to reloading the whole operand.
12243 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
12245         * config/s390/s390.c (s390_mainpool_start): Emit the pool
12246         before the first section switch note.
12248 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
12250         * doc/bugreport.texi: Update copyright years.
12251         * doc/c-tree.texi: Likewise.
12252         * doc/cfg.texi: Likewise.
12253         * doc/cpp.texi: Likewise.
12254         * doc/cppinternals.texi: Likewise.
12255         * doc/fragments.texi: Likewise.
12256         * doc/frontends.texi: Likewise.
12257         * doc/gcc.texi: Likewise.
12258         * doc/gty.texi: Likewise.
12259         * doc/hostconfig.texi: Likewise.
12260         * doc/implement-c.texi: Likewise.
12261         * doc/libgcc.texi: Likewise.
12262         * doc/loop.texi: Likewise.
12263         * doc/makefile.texi: Likewise.
12264         * doc/options.texi: Likewise.
12265         * doc/passes.texi: Likewise.
12266         * doc/rtl.texi: Likewise.
12267         * doc/sourcebuild.texi: Likewise.
12268         * doc/standards.texi: Likewise.
12269         * doc/tree-ssa.texi: Likewise.
12270         * doc/trouble.texi: Likewise.
12272         * doc/extend.texi: Use @: or add comma where appropriate.
12273         * doc/invoke.texi: Likewise.
12274         * doc/tm.texi: Likewise.
12276 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
12278         PR target/34393
12279         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
12280         to a reg.
12282 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
12284         * doc/md.texi (clz, ctz): Add reference.
12285         * doc/rtl.texi (clz, ctz): Likewise.
12287 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12289         PR other/35148
12290         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
12291         srcdir.
12293 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
12295         * config/s390/s390.c (struct constant_pool): New field
12296         emit_pool_after added.
12297         (s390_mainpool_start): Set the emit_pool_after flag according
12298         to the section switch notes.
12299         (s390_mainpool_finish): Consider emit_pool_after when emitting
12300         the literal pool at the end of the function.
12301         (s390_chunkify_start): Force literal pool splits at section
12302         switch notes.
12304 2008-02-13  Michael Matz  <matz@suse.de>
12306         PR debug/35065
12307         * var-tracking.c (clobber_variable_part): Correctly traverse the
12308         list.
12310 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12312         PR 29673
12313         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
12314         Add -fdump-ipa-inline.
12315         * tree-dump.c (dump_files): Remove tree-inlined dump.
12316         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
12317         
12318 2008-02-12  Richard Guenther  <rguenther@suse.de>
12320         PR tree-optimization/35171
12321         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
12322         default defs.
12324 2008-02-12  Richard Guenther  <rguenther@suse.de>
12326         PR middle-end/35163
12327         * fold-const.c (fold_widened_comparison): Use get_unwidened in
12328         value-preserving mode.  Disallow final truncation.
12330 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
12332         PR middle-end/35136
12333         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
12334         code from here to...
12335         (force_gimple_operand): ...here.
12337 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
12339         PR c++/35144
12340         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
12341         non-compatible pointers.
12342         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
12343         different FIELD_DECLs, try harder by comparing field offsets, sizes
12344         and types.
12346         PR inline-asm/35160
12347         * function.c (match_asm_constraints_1): Don't replace the same input
12348         multiple times.
12350 2008-02-12  Anatoly Sokolov <aesok@post.ru>
12352         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
12353         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
12354         (expand_epilogue): Restore RAMPZ register.
12355         * config/avr/avr.md (RAMPZ_ADDR): New constant.
12357 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
12359         * config/i386/cygwin.asm: (__alloca): Correct calling
12360         convention and alignment.
12361         (__chkstk): Force 8 byte stack alignment.
12363 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
12364             Richard Guenther  <rguenther@suse.de>
12366         PR tree-optimization/33992
12367         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
12368         the zero we compare against.
12370 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
12372         PR libfortran/35063
12373         * gthr-win32.h (__gthread_mutex_destroy_function): New function
12374         to CloseHandle after unlocking to prevent accumulation of handle
12375         count.
12377 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12379         PR middle_end/34150
12380         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
12381         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
12382         and update LABEL_NUSES during and after reload.
12384 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
12386         PR middle-end/34627
12387         * combine.c (simplify_if_then_else): Make sure the comparison is
12388         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
12390 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
12392         PR bootstrap/35051
12393         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
12394         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
12395         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
12396         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
12397         * tree.h (get_type_static_bounds): Likewise.
12399 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12401         * doc/invoke.texi (Option Summary, C++ Dialect Options)
12402         (Objective-C and Objective-C++ Dialect Options, Warning Options):
12403         Make -Wfoo language annotations match what the compiler outputs.
12405 2008-02-08  Sa Liu  <saliu@de.ibm.com>
12407         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
12408         intrinsics spu_convts, spu_convtu, spu_convtf.
12410 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
12412         * doc/extend.texi (Function Attributes) <noinline>: Mention
12413         asm ("") as method to keep calls.
12415 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12417         PR other/32754
12418         * doc/options.texi (Options): Replace references to opts.sh with
12419         optc-gen.awk.
12420         * opts-common.c: Likewise.
12421         * optc-gen.awk: Likewise.
12422         
12423 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
12425         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
12427 2008-02-07  Richard Henderson  <rth@redhat.com>
12429         PR rtl-opt/33410
12430         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
12431         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
12432         funny mode.
12434 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
12436         PR tree-optimization/35085
12437         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
12438         for operand entry oe2 in addition to operand entry oe3 in order to
12439         expose more opportunities for vectorizer sum reduction.
12441 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12443         PR other/35107
12444         * Makefile.in (LIBS): Remove $(GMPLIBS).
12445         (cc1-dummy, cc1): Add $(GMPLIBS).
12447 2008-02-06  Jan Hubicka  <jh@suse.cz>
12449         PR target/23322
12450         * i386.md (moddf_integer): Do not produce partial memory stalls for
12451         targets where it hurts.
12453 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
12455         PR target/35083
12456         * optabs.c (expand_float): Do not check for decimal modes when
12457         expanding unsigned integer through signed conversion.
12459 2008-02-06  Nick Clifton  <nickc@redhat.com>
12461         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
12462         inside the clobber with a match_operand and duplicated operand
12463         number in the constraint.
12464         (ineqbranchsi): Delete redundant comment.
12466 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
12468         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
12469         builtin_define ("__USE_INIT_FINI__").
12470         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
12471         -msx multilibs.
12472         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
12474 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12476         PR documentation/30330
12477         * doc/invoke.texi (C++ Dialect Options)
12478         (Objective-C and Objective-C++ Dialect Options, Warning Options):
12479         For each warning option -Wfoo that allows -Wno-foo, ensure both
12480         -Wfoo and -Wno-foo are listed in the option index.  Fix index
12481         entry of -Wswitch-default, index -Wnormalized= including the
12482         `=', and -Wlarger-than-@var{len} including @var{len}.
12484 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
12486         * config/i386/i386.md (floatunssisf2): Use
12487         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
12488         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
12489         Macroize expander using MODEF mode iterator.
12491 2008-02-05  Diego Novillo  <dnovillo@google.com>
12493         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
12495         PR 33738
12496         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
12498 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12500         PR other/35070
12501         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
12503 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
12505         PR target/35084
12506         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
12507         to indicate if a message should be generated.
12508         (init_cumulative_args): Updated.
12509         (function_value_32): Likewise.
12511 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
12513         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
12515 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
12517         PR target/35083
12518         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
12519         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
12521 2008-02-04  Diego Novillo  <dnovillo@google.com>
12523         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
12525         PR 33738
12526         * tree-vrp.c (vrp_evaluate_conditional): With
12527         -Wtype-limits, emit a warning when comparing against a
12528         constant outside the natural range of OP0's type.
12530 2008-02-04  Richard Guenther  <rguenther@suse.de>
12532         PR middle-end/33631
12533         * expr.c (count_type_elements): Give for unions instead of
12534         guessing.
12536 2008-02-04  Richard Guenther  <rguenther@suse.de>
12538         PR middle-end/35043
12539         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
12540         to TYPE_DOMAINs base type instead of using bitsizetype here.
12542 2008-02-03  Jason Merrill  <jason@redhat.com>
12544         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
12546 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12548         PR other/29972
12549         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
12550         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
12551         (RS/6000 and PowerPC Options): Fix typos and markup.
12552         * doc/passes.texi (Tree-SSA passes): Likewise.
12554 2008-02-02  Michael Matz  <matz@suse.de>
12556         PR target/35045
12557         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
12558         from record_last_reg_set_info.
12559         (record_last_reg_set_info): Take an RTX argument, iterate over all
12560         constituent hardregs.
12561         (record_last_set_info, record_opr_changes): Change calls to
12562         new signature or to record_last_reg_set_info_regno.
12564 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
12566         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
12568 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
12570         PR rtl-optimization/34773
12571         * reg-notes.def (EQUAL): Mention significance of combination of
12572         REG_EQUAL and REG_RETVAL.
12573         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
12574         insn that has a REG_RETVAL.
12576 2008-02-01  Roger Sayle  <roger@eyesopen.com>
12578         PR bootstrap/33781
12579         * configure.ac (--enable-fixed-point): Disable unless explicitly
12580         requested on IRIX.
12581         * configure: Regenerate.
12583 2008-02-01  Richard Guenther  <rguenther@suse.de>
12585         PR other/35042
12586         * invoke.texi (-finline-limit): Remove no longer true parts
12587         of the documentation.  Note that there is no default value.
12589 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
12590             Mark Mitchell  <mark@codesourcery.com>
12591             Ben Elliston  <bje@au.ibm.com>
12593         PR c/29326
12594         * doc/extend.texi (Other Builtins): Document.
12596 2008-01-31  Tom Browder <tom.browder@gmail.com>
12598         * doc/c-tree.texi (Types): Fix grammar.
12599         (Expression trees): Ditto.
12600         * doc/passes.texi (Tree-SSA passes): Ditto.
12601         
12602         * doc/configterms.texi (Configure Terms): Fix typo.
12603         * doc/cpp.texi (Common Predefined Macros): Ditto.
12604         * doc/md.texi (Machine Constraints): Ditto.
12605         
12606         * doc/makefile.texi (Makefile): Add comma.
12608 2008-01-31  Tom Browder  <tom.browder@gmail.com>
12609             Gerald Pfeifer  <gerald@pfeifer.com>
12610         
12611         * doc/sourcebuild.texi (Front End): Remove references to CVS
12612         and CVSROOT/modules.
12613         (Texinfo Manuals): Replace reference to CVS by one to SVN.
12614         (Back End): Remove reference to CVS.
12616 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
12618         PR target/34900
12619         * config/mips/mips.c (gen_load_const_gp): New function, taking a
12620         comment from...
12621         (mips16_gp_pseudo_reg): ...here.
12622         * config/mips/mips.md (load_const_gp): Replace with...
12623         (load_const_gp_<mode>): ...this :P-based insn.
12625 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12627         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
12628         options. Minor fixes.
12629         (-std): Move reference to standards closer to where language
12630         standards are first mentioned.
12631         
12632 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
12634         PR rtl-optimization/34995
12635         * reload.c (alternative_allows_const_pool_ref): Take an rtx
12636         parameter and return a bool.  If the rtx parameter is nonnull,
12637         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
12638         (find_reloads): Update call accordingly.  Pass the new operand
12639         if it needed no address reloads, otherwise pass null.
12641 2008-01-30  Richard Henderson  <rth@redhat.com>
12643         PR c/34993
12644         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
12645         for unbounded arrays.
12647 2008-01-30  Silvius Rus  <rus@google.com>
12649         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
12651 2008-01-30  Jan Hubicka  <jh@suse.cz>
12653         PR target/34982
12654         * i386.c (init_cumulative_args): Use real function declaration when
12655         calling locally.
12657 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12659         PR rtl-optimization/34998
12660         * global.c (build_insn_chain): Treat non-subreg_lowpart
12661         SUBREGs of pseudos as clobbering all the words covered by the
12662         SUBREG, not just all the bytes.
12663         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
12664         original df_ref rather than an extract parameter.
12665         (global_conflicts): Update call accordingly.
12667 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
12669         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
12670         the overflow check to make it easier to read.
12671         (__fixtfdi): Change the type of the ll member in union
12672         long_double to UDItype_x.
12674 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
12676         PR middle-end/34969
12677         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
12678         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
12679         * tree-inline.c (fold_marked_statements): Call
12680         cgraph_update_edges_for_call_stmt if folding a call statement.
12681         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
12682         debug_generic_stmt calls, reset it back afterwards.
12684         PR c/35017
12685         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
12686         static decls.
12687         * c-typeck.c (build_external_ref): Don't pedwarn about
12688         static vars in current function's scope.
12690 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
12692         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
12694 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
12696         PR c/35002
12697         * ipa-struct-reorg.c: Fix spelling.
12698         * params.def: Ditto.
12700 2008-01-29  Richard Guenther  <rguenther@suse.de>
12702         PR middle-end/35006
12703         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
12704         field.
12705         * tree-inline.c (remap_type): Increment remapping_type_depth
12706         around remapping types.
12707         (copy_body_r): Only add referenced variables if they are referenced
12708         from code, not types.
12710 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
12712         PR c++/34055
12713         PR c++/34103
12714         PR c++/34219
12715         PR c++/34606
12716         PR c++/34753
12717         PR c++/34754
12718         PR c++/34755
12719         PR c++/34919
12720         PR c++/34961
12721         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
12722         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
12724 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
12726         PR target/34412
12727         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
12728         pointer for tiny stack.
12730 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12732         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
12734 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
12736         * config/vx-common.h: Fix typo in comment.
12738 2008-01-28  Ian Lance Taylor  <iant@google.com>
12740         PR c++/34862
12741         PR c++/33407
12742         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
12743         coalesce pointers if they have different DECL_NO_TBAA_P values.
12744         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
12745         between variables with different DECL_NO_TBAA_P values.
12747 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
12749         PR 31535
12750         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
12751         are not legitimate small data references on SPE targets.
12753 2008-01-28  David Daney  <ddaney@avtrex.com>
12755         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
12757 2008-01-28  David Daney  <ddaney@avtrex.com>
12759         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
12761 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
12763         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
12764         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
12765         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
12766         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
12767         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
12768         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
12769         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
12770         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
12772 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12774         * basic-block.h (condjump_equiv_p): Fix comment.
12776 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12778         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
12779         print_generic_stmt_indented): Fix comment.
12781 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
12783         * configure.ac (__stack_chk_fail): Add detecion for availability
12784         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
12785         * configure: Regenerate.
12787 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
12789         PR middle-end/34688
12790         * final.c (output_addr_const): Handle TRUNCATE.
12792 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
12794         PR target/34711
12795         * tree-ssa-loop-ivopts.c (comp_cost): New type.
12796         (zero_cost, infinite_cost): New constants.
12797         (struct cost_pair): Change type of cost to comp_cost.
12798         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
12799         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
12800         New functions.
12801         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
12802         split_address_cost, ptr_difference_cost, difference_cost,
12803         get_computation_cost_at, get_computation_cost,
12804         determine_use_iv_cost_generic, determine_use_iv_cost_address,
12805         determine_use_iv_cost_condition, determine_use_iv_costs,
12806         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
12807         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
12808         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
12809         Change type of cost to comp_cost.
12810         (determine_iv_cost): Increase cost of non-original ivs, instead
12811         of decreasing the cost of original ones.
12812         (get_address_cost): Indicate the complexity of the addressing mode 
12813         in comp_cost.
12814         (try_add_cand_for): Prefer using ivs not specific to some object.
12815         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
12817 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
12818             Janis Johnson  <janis187@us.ibm.com>
12820         PR target/34814
12821         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
12822         (TARGET_INSTANTIATE_DECLS): Likewise.
12823         * target.h (expand_to_rtl_hook): New target hook.
12824         (instantiate_decls): Likewise.
12825         * function.c (instantiate_decl): Make non-static.  Rename to...
12826         (instantiate_decl_rtl): ... this.
12827         (instantiate_expr): Use instantiate_decl_rtl.
12828         (instantiate_decls_1): Likewise.
12829         (instantiate_decls): Likewise.
12830         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
12831         * function.h (instantiate_decl_rtl): Add prototype.
12832         * cfgexpand.c (target.h): New include.
12833         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
12834         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
12835         (TARGET_INSTANTIATE_DECLS): Likewise.
12836         (TARGET_INITIALIZER): New target hooks added.
12837         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
12838         New prototype.
12839         * config/rs6000/rs6000.c (tree-flow.h): New include.
12840         (machine_function): Add sdmode_stack_slot field.
12841         (rs6000_alloc_sdmode_stack_slot): New function.
12842         (rs6000_instantiate_decls): Likewise.
12843         (rs6000_secondary_memory_needed_rtx): Likewise.
12844         (rs6000_check_sdmode): Likewise.
12845         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
12846         (TARGET_INSTANTIATE_DECLS): Likewise.
12847         (rs6000_hard_regno_mode_ok): Allow SDmode.
12848         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
12849         (rs6000_emit_move): Handle SDmode.
12850         (function_arg_advance): Likewise.
12851         (function_arg): Likewise.
12852         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
12853         SDmode var args for 32-bit compiles.
12854         (rs6000_secondary_reload_class): Handle SDmode.
12855         (rs6000_output_function_epilogue): Likewise.
12856         (rs6000_function_value): Simplify if statement.
12857         (rs6000_libcall_value): Likewise.
12858         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
12859         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
12860         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
12861         (movsd_hardfloat): New define_insn.
12862         (movsd_softfloat): Likewise.
12863         (movsd_store): Likewise.
12864         (movsd_load): Likewise.
12865         (extendsddd2): Likewise.
12866         (extendsdtd2): Likewise.
12867         (truncddsd2): Likewise.
12868         (movdd_hardfloat64): Fixup comment.
12869         (UNSPEC_MOVSD_LOAD): New constant.
12870         (UNSPEC_MOVSD_STORE): Likewise.
12872 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
12874         PR c++/34965
12875         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
12876         TRUTH_XOR_EXPR.
12877         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
12878         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
12879         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
12880         and TRUTH_XOR_EXPR.
12882 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
12884         PR target/34794
12885         * config.gcc: Separate AIX 5.3 from AIX 6.1.
12886         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12887         __LONGDOUBLE128 too.
12888         * config/rs6000/aix61.h: New file.
12890 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12892         PR rtl-optimization/34959
12893         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
12894         popcount and parity rtxes the same mode as their operand.
12895         Truncate or extend the result to the return value's mode
12896         if necessary.
12898 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
12900         PR target/34981
12901         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
12902         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
12903         to GOT_VERSION_REGNUM.
12904         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
12905         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
12906         * config/mips/mips.c (mips_emit_call_insn): New function.
12907         (mips_call_tls_get_addr): Call mips_expand_call directly.
12908         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
12909         emit_call_insn.
12910         (mips16_build_call_stub): Likewise.  Return the call insn or null.
12911         (mips_expand_call): Update the call to mips16_build_call_stub
12912         accordingly and a remove redundant condition.  Assert that MIPS16
12913         stubs do not use lazy binding.  Use mips_emit_call_insn and return
12914         the call insn.
12915         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
12916         TARGET_USE_GOT.
12917         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
12918         (mips_avoid_hazard): Remove hazard_set handling.
12919         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
12920         (UNSPEC_RESTORE_GP): ...this.
12921         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
12922         (FAKE_CALL_REGNO): Rename to...
12923         (GOT_VERSION_REGNUM): ...this.
12924         (type): Add "ghost" value.  Add an associated insn reservation.
12925         (hazard_set): Remove.
12926         (exception_receiver): Rename to...
12927         (restore_gp): ...this and update the unspec identifier accordingly.
12928         (exception_receiver, nonlocal_got_receiver): New expanders.
12929         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
12930         FAKE_CALL_REGNO.  Remove hazard_set attribute.
12931         (set_got_version, update_got_version): New patterns.
12933 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
12935         PR target/34970
12936         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
12938 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12940         PR other/31955
12941         * doc/install.texi2html: Generate gcc-vers.texi.
12943 2008-01-25  DJ Delorie  <dj@redhat.com>
12945         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
12947 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
12949         * config/c4x: Remove directory.
12950         * config.gcc (crx-*, mt-*): Mark obsolete.
12951         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
12952         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
12953         sh-*-rtemscoff*): Remove cases.
12954         * defaults.h (C4X_FLOAT_FORMAT): Remove.
12955         * real.c (encode_c4x_single, decode_c4x_single,
12956         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
12957         c4x_extended_format): Remove.
12958         * real.h (c4x_single_format, c4x_extended_format): Remove.
12959         * doc/extend.texi (interrupt, naked): Remove mention of attributes
12960         on C4x.
12961         (Pragmas): Remove comment about c4x pragmas.
12962         * doc/install.texi (c4x): Remove target-specific instructions.
12963         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
12964         * doc/md.texi (Machine Constraints): Remove C4x documentation.
12965         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
12966         refer to C4x source files as examples.
12967         (C4X_FLOAT_FORMAT): Remove documentation.
12969 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
12971         * config/bfin/bfin.c (override_options): Reorder tests so that
12972         flag_pic gets enabled for -msep-data.
12974 2008-01-25  Richard Guenther  <rguenther@suse.de>
12976         PR middle-end/32244
12977         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
12978         to its bitfield precision if required.
12980 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
12982         PR middle-end/33880
12983         * tree-nested.c (walk_omp_for): New function.
12984         (convert_nonlocal_reference, convert_local_reference): Call
12985         walk_omp_for on OMP_FOR.
12986         (convert_call_expr): Call walk_body on OMP_FOR's
12987         OMP_FOR_PRE_INIT_BODY.
12989 2008-01-25  Richard Guenther  <rguenther@suse.de>
12991         PR tree-optimization/34966
12992         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
12993         default defs and PHI_NODEs we have to insert after the
12994         defining statement.
12996 2008-01-24  Nick Clifton  <nickc@redhat.com>
12998         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
12999         Provide a default definition.
13000         (LIBGCC2_UNITS_PER_WORD): Likewise.
13002         * config/stormy16/stormy16.c: Include df.h for the prototype
13003         for df_regs_ever_live_p.
13004         (xstormy16_expand_builtin_va_start): Convert the stack offset
13005         into a component_ref and then use POINTER_PLUS_EXPR to add it
13006         to the incoming_virtual_args_rtx.
13007         (xstormy16_gimplify_va_arg_expr): Rename to
13008         xstormy16_gimplify_va_arg_expr.
13009         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
13010         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
13011         xstormy16_gimplify_va_arg_expr.
13012         Fix up some formatting issues.
13014         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
13015         Move to predicates.md.
13016         (xs_hi_general_operand): Likewise.
13017         (xs_hi_nonmemory_operand): Likewise.
13018         * config/stormy16/predicates.md:
13019         (xstormy16_carry_plus_operand): New predicate.
13020         (xs_hi_general_operand): New predicate.
13021         (xs_hi_nonmemory_operand): New predicate.
13022         * config/stormy16/stormy16-protos.h:
13023         (xstormy16_carry_plus_operand): Delete prototype.
13024         (xs_hi_general_operand): Likewise.
13025         (xs_hi_nonmemory_operand): Likewise.
13027         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
13028         modifiers as they are no longer needed and they can trigger
13029         reload spill failures.
13031         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
13032         with a match_operand in order to help reload.
13034         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
13035         constraint with 'e' for the 8th alternative as this version of
13036         the mov.w instruction only accepts the lower 8 registers.
13038 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
13040         PR target/34856
13041         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
13042         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
13043         vector elements.
13045 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
13047         PR middle-end/33333
13048         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
13050 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
13052         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
13053         New functions.
13054         (remove_structure): Update allocations list before removing structure.
13055         
13056 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
13058         * ipa-struct-reorg.c (is_safe_cond_expr, 
13059         create_new_stmts_for_cond_expr): Use integer_zerop function,
13060         that recognize not only zero-pointer, but zero-integer too.
13062 2008-01-25  Ben Elliston  <bje@au.ibm.com>
13064         PR other/22232
13065         * fixproto: Escape "." in sed expression that strips leading "./".
13067 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
13069         PR driver/34904
13070         * gcc.c (SWITCH_OK): Removed.
13071         (SWITCH_LIVE): Changed to bit.
13072         (SWITCH_FALSE): Likewise.
13073         (SWITCH_IGNORE): Likewise.
13074         (switchstr): Change live_cond to unsigned int.
13075         (process_command): Replace SWITCH_OK with 0.
13076         (do_self_spec): Likewise.
13077         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
13078         (give_switch): Likewise.
13079         (used_arg): Likewise.
13080         (do_spec_1): Set the SWITCH_IGNORE bit.
13081         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
13082         bits.  Set the SWITCH_LIVE bit.
13084 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
13086         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
13088 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
13090         PR tree-optimization/34472
13091         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
13092         parameter to a "bool *" and set *DATA to false if there is
13093         an unsafe access.  Do not delete the structure here.
13094         (check_cond_exprs): Delete it here instead.
13095         (check_cond_exprs, exclude_cold_structs): Do not increase
13096         I when removing a structure.
13098 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
13100         PR target/34856
13101         * config/i386/i386.c (ix86_expand_vector_init): Consider only
13102         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
13104 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
13106         PR middle-end/34934
13107         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
13108         a fixed vector for stack.
13110 2008-01-24  Ben Elliston  <bje@au.ibm.com>
13112         PR c++/25701
13113         * doc/gcc.texi (Software development): Add a direntry for g++.
13114         
13115 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
13117         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
13118         stale and straggling -fforce-addr comments above.
13120         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
13121         define.
13122         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
13123         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
13125 2008-01-23  Michael Matz  <matz@suse.de>
13127         PR debug/34895
13128         * dwarf2out.c (force_type_die): Use modified_type_die instead of
13129         gen_type_die.
13131 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
13133         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
13134         malloc result type.
13136 2008-01-23 Anatoly Sokolov <aesok@post.ru>
13138         * config/avr/avr.c (avr_current_arch): New variable.
13139         (avr_arch_types): Add 'avr31' and 'avr51' entries.
13140         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
13141         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
13142         (avr_override_options): Init 'avr_current_arch'. 
13143         (base_arch_s): Move from here...
13144         * config/avr/avr.h (base_arch_s): ... here. Add new members 
13145         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
13146         'mega' to 'have_jmp_call'.
13147         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
13148         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
13149         macros.
13150         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
13151         architectures.
13152         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
13153         MULTILIB_MATCHES): (Ditto.).
13155 2008-01-23  Richard Guenther  <rguenther@suse.de>
13157         PR middle-end/31529
13158         * cgraphunit.c (cgraph_reset_node): Always mark the node
13159         not reachable if it is not queued already.
13161 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
13163         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
13164         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
13165         (cputype_selected): New static variable.
13166         (bfin_handle_option): Set it if -mcpu is used.
13167         (override_option): Select default set of workarounds if no cpu type
13168         selected on the command line.
13169         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
13171         From  Michael Frysinger  <michael.frysinger@analog.com>
13172         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
13173         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
13175         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
13176         for bf547, bf523, bf524, and bf526.
13177         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
13178         bf526.
13179         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
13180         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
13181         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
13182         __ADSPBF547__ and __ADSPBF54x__ for bf547.
13183         * doc/invoke.texi (Blackfin Options): Document that
13184         -mcpu now accept bf547, bf523, bf524, and bf526.
13186 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
13188         PR rtl-optimization/34628
13189         * combine.c (try_combine): Stop and undo after the first combination
13190         if an autoincrement side-effect on the first insn has effectively
13191         been lost.
13193 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
13195         PR target/34529
13196         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
13197         Offset addresses are not valid for Altivec or paired float modes.
13199 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
13201         PR c++/34607
13202         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
13203         if DECL_INITIAL (decl) is error_mark_node.
13205         PR c++/34914
13206         * c-common.c (handle_vector_size_attribute): Only allow
13207         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
13208         the same way as pointer, array etc. types.
13209         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
13211         PR c++/34917
13212         * tree.c (build_type_attribute_qual_variant): Call
13213         build_qualified_type if attributes are equal, but quals are not.
13215 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13217         PR 32102
13218         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
13219         * flags.h (warn_strict_aliasing): Remove.
13220         (warn_strict_overflow): Remove.
13221         * opts.c (warn_strict_aliasing): Remove.
13222         (warn_strict_overflow): Remove.
13223         * c-opts.c (c_common_handle_option): -Wall only sets
13224         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
13225         (c_common_post_options): Give default values to -Wstrict-aliasing
13226         and -Wstrict-overflow if they are uninitialized.
13227         * common.opt (Wstrict-aliasing): Specify Var and Init.
13228         (Wstrict-overflow): Likewise.
13230 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13232         PR rtl-optimization/26854
13233         PR rtl-optimization/34400
13234         PR rtl-optimization/34884
13235         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
13236         DF_RD->gen.
13237         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
13238         (df_rd_bb_info.expanded_lr_out): Deleted
13239         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
13240         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
13241         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
13242         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
13243         Removed code to allocate, initialize or free expanded_lr_out.
13244         (df_rd_bb_local_compute_process_def): Restructured to make more
13245         understandable.
13246         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
13247         sets if the sets are being trimmed.
13249 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
13251         PR bootstrap/32287
13252         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
13253         (as_vers): Likewise.
13254         * configure: Regenerated.
13256 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13258         PR middle-end/33092
13259         * tree-pass.h (pass_build_alias): New pass.
13260         * tree-ssa-alias.c (gate_build_alias): New.
13261         (pass_build_alias): New.
13262         * passes.c (init_optimization_passes): Add pass_build_alias after
13263         pass_create_structure_vars.
13265 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
13267         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
13268         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
13269         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
13270         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
13271         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
13272         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
13273         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
13274         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
13275         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
13276         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
13277         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
13278         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
13279         * config/s390/s390.md (FP_ALL): New mode iterator.
13280         (_d): New mode attribute.
13281         ("*signbit<mode>2>"): Changed mode of first operand.
13282         ("isinf<mode>2"): Changed mode of first operand.
13283         ("*TDC_insn"): Adaptation for DFP modes.
13285 2008-01-22  Ben Elliston  <bje@au.ibm.com>
13287         * tree.c (check_qualified_type): Improve function description.
13289 2008-01-21  Jason Merrill  <jason@redhat.com>
13291         PR c++/34196
13292         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
13293         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
13294         if it is set.
13296 2008-01-21  DJ Delorie  <dj@redhat.com>
13298         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
13299         return zero.
13301 2008-01-21  Richard Guenther  <rguenther@suse.de>
13303         PR middle-end/34856
13304         * tree-cfg.c (verify_expr): Allow all invariant expressions
13305         instead of just constant class ones as reference argument.
13306         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
13307         like any other constant.
13308         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
13310 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
13312         * regmove.c (fixup_match_1): Update call crossed frequencies.
13314 2008-01-21  Richard Guenther  <rguenther@suse.de>
13316         PR c/34885
13317         * tree-inline.c (setup_one_parameter): Deal with mismatched
13318         types using a VIEW_CONVERT_EXPR.
13320 2008-01-21  Alon Dayan  <alond@il.ibm.com>
13321             Olga Golovanevsky  <olga@il.ibm.com>
13322         
13323         PR tree-optimization/34701
13324         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
13325         when the structure size is not a power of 2.
13327 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
13329         * doc/install.texi: Add doc for --enable-checking=df.
13330         
13331 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
13333         PR rtl-optimization/34808
13334         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
13336 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
13338         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
13339         input.
13341 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
13343         PR rtl-optimization/26854
13344         PR rtl-optimization/34400
13345         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
13346         DF_RD->gen.
13347         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
13348         (df_rd_bb_info.expanded_lr_out): New.
13349         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
13350         * loop_iv.c (iv_analysis_loop_init): Ditto.
13351         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
13352         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
13353         Added code to allocate, initialize or free expanded_lr_out.
13354         (df_rd_bb_local_compute_process_def): Restructured to make
13355         more understandable.
13356         (df_rd_confluence_n): Add code to do nothing with fake edges and
13357         code to no apply invalidate_by_call sets if the sets are being trimmed.
13358         (df_lr_local_finalize): Renamed to df_lr_finalize.
13359         (df_live_local_finalize): Renamed to df_live_finalize.
13361 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
13363         PR target/34831
13364         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
13365         deciding whether to use reciprocal instructions.
13367 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
13369         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
13370         dwarf2out_note_section_used if cold_text_section is NULL.
13372 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
13374         PR gcov-profile/34610
13375         * tree-cfg.c (make_edges): Mark both outgoing edges from
13376         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
13377         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
13378         from OMP_FOR and OMP_CONTINUE outgoing edges.
13380         * tree-profile.c (tree_profiling): Return early if
13381         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
13382         at the end.
13383         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
13384         from cfun to child_cfun.
13385         * function.h (struct function): Add after_tree_profile bit.
13387 2008-01-19 Anatoly Sokolov <aesok@post.ru>
13389         * config/avr/avr.S (_exit): Disable interrupt.
13391 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
13392             Steven Bosscher  <stevenb.gcc@gmail.com>
13394         PR rtl-optimization/26854
13395         PR rtl-optimization/34400
13396         * df-problems.c (df_live_scratch): New scratch bitmap.
13397         (df_live_alloc): Allocate df_live_scratch when doing df_live.
13398         (df_live_reset): Clear the proper bitmaps.
13399         (df_live_bb_local_compute): Only process the artificial defs once
13400         since the order is not important.
13401         (df_live_init): Init the df_live sets only with the variables
13402         found live by df_lr.
13403         (df_live_transfer_function): Use the df_lr sets to prune the
13404         df_live sets as they are being computed.  
13405         (df_live_free): Free df_live_scratch.
13407 2008-01-18  Ian Lance Taylor  <iant@google.com>
13409         * common.opt: Add fmerge-debug-strings.
13410         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
13411         flag_merge_debug_strings rather than flag_merge_constants.
13412         * doc/invoke.texi (Option Summary): Mention
13413         -fmerge-debug-strings.
13414         (Debugging Options): Document -fmerge-debug-strings.
13416 2008-01-18  Ian Lance Taylor  <iant@google.com>
13418         PR c++/33407
13419         * tree.h (DECL_IS_OPERATOR_NEW): Define.
13420         (struct tree_function_decl): Add new field operator_new_flag.
13421         * tree-inline.c (expand_call_inline): When inlining a call to
13422         operator new, force the return value to go into a variable, and
13423         set DECL_NO_TBAA_P on that variable.
13424         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
13426 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
13428         PR debug/34484
13429         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
13430         DWARF2_DEBUGGING_INFO.
13431         (dwarf2out_note_section_used): Ditto.  Add prototype.
13432         (have_multiple_function_sections, text_section_used,
13433         cold_text_section_used, *cold_text_sections): Move declarations
13434         before their uses.
13436 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
13438         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
13439         field and add signal_ra.
13440         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
13441         assignments to frame state pc.  Move end of stack check after
13442         MD_FALLBACK_FRAME_STATE_FOR.
13443         (uw_update_context_1): Use frame state signal_regs if set, instead
13444         of checking signal_frame flag.
13445         (uw_update_context): Use frame state signal_ra if set.
13446         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
13447         * config/xtensa/linux-unwind.h: New file.
13449 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
13451         * modulo-sched.c (get_sched_window): Fix comment typo.
13453 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
13455         PR tree-optimization/34648
13456         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
13458 2008-01-17  Anatoly Sokolov <aesok@post.ru>
13460         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
13461         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
13463 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
13465         PR rtl-optimization/34400
13466         * df-core.c (df_worklist_dataflow_overeager,
13467         df_worklist_dataflow_doublequeue): New functions.
13468         (df_worklist_dataflow): Two different worklist solvers.
13469         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
13470         New param.
13472 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13474         PR testsuite/34821
13475         * doc/invoke.texi: Document the dependence on pthread for fopenmp
13476         and ftree-parallelize-loops.
13478 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
13480         PR rtl-optimization/34826
13481         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
13483 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
13485         * global.c (find_reg): Mark the eh regs as used if necessary.
13486         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
13487         * ra.h (struct allocno): no_eh_reg field added.  Changed
13488         no_stack_reg type to bitfield.
13490 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
13492         * tree.c (substitute_in_expr): Add missing 'break'.
13494 2008-01-17  Richard Guenther  <rguenther@suse.de>
13496         PR tree-optimization/34825
13497         * tree-ssa-math-opts.c (is_division_by): Do not recognize
13498         x / x as division to handle.
13500 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13502         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
13503         "-pthread" is specified.
13504         * pa-hpux11.h (LIB_SPEC): Likewise.
13506 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
13507             Peter Bergner  <bergner@vnet.ibm.com>
13509         PR rtl-optimization/33796
13510         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
13512 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13514         PR libgfortran/34699
13515         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
13516         static links.
13517         * pa-hpux10.h (LINK_SPEC): Likewise.
13518         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
13520 2008-01-16  Richard Guenther  <rguenther@suse.de>
13522         PR middle-end/32628
13523         * fold-const.c (fold_convert_const_int_from_int): Do not
13524         set overflow if that occured only because of a sign extension
13525         change when converting from/to a sizetype with the same
13526         precision and signedness.
13528 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
13530         PR debug/34249
13531         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
13532         location address to the correct place.  Update copyright year.
13534 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13536         * lambda-code.c (lambda_transform_legal_p): Handle the case of
13537         no dependences in the dependence_relations vector.
13539 2008-01-16  Jan Hubicka  <jh@suse.cz>
13541         PR rtl-optimization/31396
13542         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
13543         * cfg.c (dump_reg_info): Print it.
13544         * regs.h (struct reg_info_t): add freq_calls_crossed.
13545         (REG_FREQ_CALLS_CROSSED): New macro.
13546         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
13547         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
13548         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
13549         regmove_optimize): Update call crossed frequencies.
13550         * local-alloc.c (struct qty): Add freq_calls_crossed.
13551         (alloc_qty): Copute freq_calls_crossed.
13552         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
13553         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
13554         * ra.h (struct allocno): Add freq_calls_crossed.
13556 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13558         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
13559         libgomp when compiling with ftree-parallelize-loops.
13560         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
13562 2008-01-16  Richard Guenther  <rguenther@suse.de>
13564         PR tree-optimization/34769
13565         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
13566         * tree.c (int_cst_value): Instead make this function more
13567         permissive in what it accepts as valid input.  Document this
13568         function always sign-extends the value.
13570 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
13571             Richard Guenther  <rguenther@suse.de>
13573         PR c/34668
13574         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
13575         (gimple_fold_indirect_ref_rhs): ... this.
13576         (gimple_fold_indirect_ref): New function with foldings
13577         that preserve lvalueness.
13578         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
13579         * tree-flow.h (gimple_fold_indirect_ref): Declare.
13580         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
13581         to fold an INDIRECT_REF, fall back to the old use of
13582         fold_indirect_ref_1.
13584 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
13586         * tree-data-ref.c (subscript_dependence_tester_1): Call 
13587         free_conflict_function.
13588         (compute_self_dependence): Same.
13590 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
13592         PR debug/34249
13593         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
13594         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
13595         function global.
13596         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
13597         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
13598         for DWARF2_UNWIND_INFO targets.
13600 2008-01-16  Richard Guenther  <rguenther@suse.de>
13602         PR c/34768
13603         * c-typeck.c (common_pointer_type): Do not merge inconsistent
13604         type qualifiers for function types.
13606 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
13608         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
13609         loop_iterator li from previous commit.
13611 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
13613         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
13615 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
13617         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
13618         (parallelize_loops): Don't parallelize irreducible components.
13620 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
13622         PR c++/24924
13623         * c-opts (c_common_post_options): Do not enable CPP
13624         flag_pedantic_errors by default.
13625         
13626 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
13628         PR rtl-optimization/31944
13629         * cse.c (remove_pseudo_from_table): New function.
13630         (merge_equiv_classes): Use above function to remove pseudo-registers.
13631         (invalidate): Likewise.
13633 2008-01-13  Richard Guenther  <rguenther@suse.de>
13635         PR middle-end/34601
13636         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
13637         instead of TYPE_MODE to deal with calls from expand_one_error_var.
13639 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
13641         * gcse.c (cprop_jump): Call validate_unshare_change instead of
13642         validate_change to unshare the source of the PC set.
13644 2008-01-12  Jan Hubicka  <jh@suse.cz>
13646         PR middle-end/32135
13647         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
13648         references above array bounds.  This might trigger bounds checks for
13649         pointers to arrays.
13651 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
13653         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
13654         new_replaceable_dependencies.
13656 2008-01-12  Doug Kwan  <dougkwan@google.com>
13658         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
13659         instead of OPT_Wreturn_type in warning due to ignored return type
13660         qualifiers.
13661         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
13662         options included in -Wextra.
13663         * c.opt: New option -Wignored_qualifiers.
13664         * doc/invoke.texi (Warning Options, -Wextra): Add new option
13665         -Wignore_qualifiers.
13666         (-Wignored-qualifiers): Document.
13667         (-Wreturn-type): Remove description of functionality now handled
13668         by -Wignored-qualifiers.
13670 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
13672         PR ada/33788
13673         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
13674         NOP_EXPR if it is between integral types with the same precision.
13676 2008-01-12  Jan Hubicka  <jh@suse.cz>
13678         PR other/28023
13679         * invoke.texi (max-inline-recursive-depth): Fix default value.
13681 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
13683         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
13684         correct type.
13686 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
13687         
13688         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
13689         
13690 2008-01-11  James E. Wilson  <wilson@specifix.com>
13692         PR target/26015
13693         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
13695 2008-01-11  Anatoly Sokolov <aesok@post.ru>
13697         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
13698         save/restore frame pointer register and don't use 'call-prologues' 
13699         optimization in function with "OS_task" attribute.
13701 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
13703         PR middle-end/31309
13704         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
13705         when copying to memory.
13707 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
13709         PR rtl-optimization/30905
13710         * cfgcleanup.c: Include dce.h
13711         (crossjumps_occured): New global variable.
13712         (try_crossjump_bb): Exit loop after finding a fallthru edge.
13713         If something changed, set crossjumps_occured to true.
13714         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
13715         Don't add/remove fake edges to exit here...
13716         (cleanup_cfg): ...but do it here, when crossjumping.
13717         Run a fast DCE when successful crossjumps occured in the latest
13718         iteration of try_optimize_cfg.
13720 2008-01-11  Richard Guenther  <rguenther@suse.de>
13722         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
13723         (struct vn_unary_op_s): Likewise.
13724         (vn_reference_insert): Free old reference on hash collision.
13726 2008-01-10  Raksit Ashok  <raksit@google.com>
13728         PR rtl-optimization/27971
13729         * combine.c (find_split_point): Split PLUS expressions which are
13730         inside a MEM rtx, and whose first operand is complex.
13732 2008-01-10  DJ Delorie  <dj@redhat.com>
13734         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
13735         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
13736         (m32c_hard_regno_ok): Call the underlying function.
13738 2008-01-10  Richard Guenther  <rguenther@suse.de>
13740         PR middle-end/34683
13741         * tree-cfg.c (tree_merge_blocks): Do not go through the
13742         full-blown folding and stmt updating path if we just deal
13743         with virtual operands.
13744         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
13745         test for abnormal SSA_NAMEs.
13747 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
13749         PR middle-end/34641
13750         * reload.c (push_reload): Add assertions.  All constants from
13751         reg_equiv_constant should have been used for replacing the respective
13752         pseudo earlier.
13753         (find_reloads_address): Invoke find_reloads_address_part for
13754         constant taken from the reg_equiv_constant array.
13756 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
13758         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
13759         field (valnum) the first in the struct.  Replace bools with
13760         unit bit fields.
13762 2008-01-10  Richard Guenther  <rguenther@suse.de>
13764         PR tree-optimization/34651
13765         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
13766         types and ordering for masking and converting.
13768 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
13770         PR tree-optimization/34017
13771         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
13772         also for PHI_NODE expressions.
13774 2008-01-09  Jan Hubicka  <jh@suse.cz>
13776         PR tree-optimization/34708
13777         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
13778         based on number of case labels.
13779         (init_inline_once): Remove switch_cost.
13780         * tree-inline.h (eni_weights_d): Remove switch_cost.
13782 2008-01-09  Richard Guenther  <rguenther@suse.de>
13783         Andrew Pinski  <andrew_pinski@playstation.sony.com>
13785         PR middle-end/30132
13786         * gimplify.c (gimplify_cond_expr): Do not create an addressable
13787         temporary if an rvalue is ok or an lvalue is not required.
13789 2008-01-09  Richard Guenther  <rguenther@suse.de>
13791         PR middle-end/34458
13792         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
13793         adjust return type.
13795 2008-01-09  Richard Guenther  <rguenther@suse.de>
13797         PR middle-end/34679
13798         * tree.c (host_integerp): Check for sizetype only if the
13799         type is an integer type.
13801 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
13803         PR debug/26364
13804         * opts.c (decode_options): Disable inlining of functions called
13805         once if not in unit-at-a-time mode.
13807 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
13809         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
13811 2008-01-08  Richard Guenther  <rguenther@suse.de>
13813         PR middle-end/31863
13814         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
13815         out early if the result will be unused.
13817 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13819         PR target/34709
13820         Revert:
13822         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13823         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13824         for TARGET_RECIP.       
13825         
13826 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
13827         
13828         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
13829         for vectorization tuned.
13830         
13831 2008-01-08  Richard Guenther  <rguenther@suse.de>
13833         PR tree-optimization/34683
13834         * tree-ssa-operands.c (operand_build_cmp): Export.
13835         * tree-ssa-operands.h (operand_build_cmp): Declare.
13836         * tree-vn.c (vuses_compare): Remove.
13837         (sort_vuses): Use operand_build_cmp.
13838         (sort_vuses_heap): Likewise.
13839         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
13840         to re-use old VEC if available.  Do not sort already sorted VUSEs.
13841         (vdefs_to_vec): Do not sort already sorted VDEFs.
13843 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
13845         PR middle-end/34694
13846         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
13848 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
13850         PR target/34702
13851         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
13852         limitations of reciprocal sequences on x86 targets.
13854 2008-01-08  Richard Guenther  <rguenther@suse.de>
13856         PR tree-optimization/34683
13857         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
13859 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
13861         PR target/34622
13862         * config/darwin.c (darwin_mergeable_string_section): Don't use
13863         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
13865 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
13867         PR target/34682
13868         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
13869         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
13870         predicates of op0 and op1 to register_operand.
13871         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
13872         expander using X87MODEF mode iterator.  Change predicates of
13873         op0 and op1 to register_operand.
13874         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
13875         corresponding patterns and macroize using MODEF macro.  Change
13876         predicates of op0 and op1 to register_operand and remove
13877         "m" constraint. Disparage "r" alternative with "!".
13878         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
13879         macroize using X87MODEF macro.  Change predicates of op0 and op1
13880         to register_operand and remove "m" constraint.  Disparage "r"
13881         alternative with "!".
13882         (absneg splitter with memory operands): Remove.
13883         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
13884         patterns and macroize using X87MODEF mode iterator.
13885         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
13886         Change predicate of op1 to register_operand.
13887         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
13888         for memory operands.
13890 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
13892         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
13894 2008-01-07  Richard Guenther  <rguenther@suse.de>
13896         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
13897         fields.
13899 2008-01-07  Richard Guenther  <rguenther@suse.de>
13901         PR tree-optimization/34683
13902         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
13903         VOPs of the needed size to save memory.  Use VEC_quick_push
13904         to save compile-time.
13905         (vdefs_to_vec): Likewise.
13907 2008-01-07  Sa Liu  <saliu@de.ibm.com>
13909         * config/spu/spu.md (divdf3): Genetate inline code for double
13910         division.  The implementation doesn't handle INF or NAN, therefore it
13911         only applies when -ffinite-math-only is given.
13913 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
13915         PR libstdc++/34680
13916         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
13917         * doc/cpp.texi ([Common Predefined Macros]): Document.
13919 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
13921         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
13922         order to use commutative addition instead of subtraction.
13924 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13925             Mircea Namolaru  <namolaru@il.ibm.com>
13926             Vladimir Yanovsky  <yanov@il.ibm.com>
13927             Revital Eres  <eres@il.ibm.com>
13929         PR tree-optimization/34263
13930         * tree-outof-ssa.c (process_single_block_loop_latch,
13931         contains_tree_r): New functions.
13932         (analyze_edges_for_bb): Call process_single_block_loop_latch
13933         function to empty single-basic-block latch block if possible.
13935 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13937         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
13938         for TARGET_RECIP.
13939         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
13941 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13943         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
13945 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
13947         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
13949 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
13951         PR tree-optimization/34618
13952         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
13953         flag from T.
13955 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
13957         PR target/34673
13958         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
13959         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
13960         Update copyright year.
13962         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
13963         Update copyright year.
13964         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
13965         using NR fixup.
13967 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
13969         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
13970         edge does not point to current bb before changing need_assert.
13972 2008-01-04  Richard Guenther  <rguenther@suse.de>
13974         PR middle-end/34029
13975         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
13976         for verifying purposes if they are is_gimple_min_invariant.
13978 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
13980         PR tree-optimization/34448
13981         PR tree-optimization/34465
13982         * gimplify.c (gimplify_init_constructor): Add new parameter
13983         notify_temp_creation.  Use it.
13984         (gimplify_modify_expr_rhs): Take volatiles into account when
13985         optimizing constructors.
13986         Do not optimize constructors if gimplify_init_constructor will dump to
13987         memory.
13988         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
13989         * gcc.c-torture/compile/pr34448.c: New.
13991 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
13993         PR gcov-profile/34609
13994         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
13995         return_slot if result is TREE_ADDRESSABLE.
13997 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
13999         * config/mips/mips.md (sqrt_condition): Tweak comment.
14000         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
14002 2008-01-03  Tom Tromey  <tromey@redhat.com>
14004         PR c/34457
14005         * c-common.c (c_type_hash): Handle VLAs.
14007 2008-01-03  Jan Hubicka  <jh@suse.cz>
14009         PR tree-optimization/31081
14010         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
14011         0 when inlining and not inlining to first basic block.
14012         (remap_decl): When var is initialized to 0, don't set default_def.
14013         (expand_call_inline): Set entry_bb.
14014         * tree-inline.h (copy_body_data): Add entry_bb.
14016 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
14018         PR c++/34619
14019         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
14020         before returning.
14022         PR tree-optimization/29484
14023         * tree-inline.c (inline_forbidden_p_2): New function.
14024         (inline_forbidden_p): Disallow inlining if some static var
14025         has an address of a local LABEL_DECL in its initializer.
14026         * doc/extend.texi (Labels as Values): Document &&foo behaviour
14027         vs. inlining.
14029 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
14031         PR tree-optimization/34635
14032         * tree-data-ref.c (add_other_self_distances): Make sure that the
14033         evolution step is constant.
14035 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
14037         PR middle-end/34608
14038         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
14040 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
14042         * tree-sra.c (scalarize_init): Insert the generate_element_init
14043         statements after the generate_element_zero statements.
14045 2008-01-02  Richard Guenther  <rguenther@suse.de>
14047         PR middle-end/34093
14048         PR middle-end/31976
14049         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
14050         for very large number of operands instead of ICEing.
14052 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
14054         PR target/34013
14055         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
14056         while stack probing.
14058 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
14060         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
14061         in C++0x mode.
14063 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
14065         PR libmudflap/26442
14066         * tree-mudflap.c (mx_register_decls): Guard warning by
14067         !DECL_ARTIFICIAL check.
14069 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
14071         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
14072         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
14073         sse5_perm<mode>): Fix constraints.